content: package themeengine.include.net.miginfocom.layout;
  
  
  import java.lang.ref.WeakReference;
  import java.util.*;
  /*
   * License (BSD):
   * ==============
   *
   * Copyright (c) 2004, Mikael Grev, MiG InfoCom AB. (miglayout (at) miginfocom (dot) com)
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   * Redistributions of source code must retain the above copyright notice, this list
   * of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright notice, this
   * list of conditions and the following disclaimer in the documentation and/or other
   * materials provided with the distribution.
   * Neither the name of the MiG InfoCom AB nor the names of its contributors may be
   * used to endorse or promote products derived from this software without specific
   * prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
   * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
   * OF SUCH DAMAGE.
   *
   * @version 1.0
   * @author Mikael Grev, MiG InfoCom AB
   *         Date: 2006-sep-08
   */
  
  /** Holds components in a grid. Does most of the logic behind the layout manager.
   */
  public final class Grid
  {
  	public static final boolean TEST_GAPS = true;
  
  	private static final Float[] GROW_100 = new Float[] {ResizeConstraint.WEIGHT_100};
  
  	private static final DimConstraint DOCK_DIM_CONSTRAINT = new DimConstraint();
  	static {
  		DOCK_DIM_CONSTRAINT.setGrowPriority(0);
  	}
  
  	/** This is the maximum grid position for "normal" components. Docking components use the space out to
  	 * <code>MAX_DOCK_GRID</code> and below 0.
  	 */
  	private static final int MAX_GRID = 30000;
  
  	/** Docking components will use the grid coordinates <code>-MAX_DOCK_GRID -> 0</code> and <code>MAX_GRID -> MAX_DOCK_GRID</code>.
  	 */
  	private static final int MAX_DOCK_GRID = 32767;
  
  	/** A constraint used for gaps.
  	 */
  	private static final ResizeConstraint GAP_RC_CONST = new ResizeConstraint(200, ResizeConstraint.WEIGHT_100, 50, null);
  	private static final ResizeConstraint GAP_RC_CONST_PUSH = new ResizeConstraint(200, ResizeConstraint.WEIGHT_100, 50, ResizeConstraint.WEIGHT_100);
  
  	/** Used for components that doesn't have a CC set. Not that it's really really important that the CC is never changed in this Grid class.
  	 */
  	private static final CC DEF_CC = new CC();
  
  	/** The constraints. Never <code>null</code>.
  	 */
  	private final LC lc;
  
  	/** The parent that is layout out and this grid is done for. Never <code>null</code>.
  	 */
  	private final ContainerWrapper container;
  
  	/** An x, y array implemented as a sparse array to accommodate for any grid size without wasting memory (or rather 15 bit (0-MAX_GRID * 0-MAX_GRID).
  	 */
  	private final LinkedHashMap<Integer, Cell> grid = new LinkedHashMap<Integer, Cell>();   // [(y << 16) + x] -> Cell. null key for absolute positioned compwraps
  
  	private HashMap<Integer, BoundSize> wrapGapMap = null;   // Row or Column index depending in the dimension that "wraps". Normally row indexes but may be column indexes if "flowy". 0 means before first row/col.
  
  	/** The size of the grid. Row count and column count.
  	 */
  	private final TreeSet<Integer> rowIndexes = new TreeSet<Integer>(), colIndexes = new TreeSet<Integer>();
  
  	/** The row and column specifications.
  	 */
  	private final AC rowConstr, colConstr;
  
  	/** The in the constructor calculated min/pref/max sizes of the rows and columns.
  	 */
  	private FlowSizeSpec colFlowSpecs = null, rowFlowSpecs = null;
  
  	/** Components that are connections in one dimension (such as baseline alignment for instance) are grouped together and stored here.
  	 * One for each row/column.
  	 */
  	private final ArrayList<LinkedDimGroup>[] colGroupLists, rowGroupLists;   //[(start)row/col number]
  
  	/** The in the constructor calculated min/pref/max size of the whole grid.
  	 */
  	private int[] width = null, height = null;
  
  	/** If debug is on contains the bounds for things to paint when calling {@link ContainerWrapper#paintDebugCell(int, int, int, int)}
  	  */
  	private ArrayList<int[]> debugRects = null; // [x, y, width, height]
  
  	/** If any of the absolute coordinates for component bounds has links the name of the target is in this Set.
  	 * Since it requires some memory and computations this is checked at the creation so that
  	 * the link information is only created if needed later.
  	 * <p>
  	 * The boolean is true for groups id:s and null for normal id:s.
  	 */
  	private HashMap<String, Boolean> linkTargetIDs = null;
  
  	private final int dockOffY, dockOffX;
  
  	private final Float[] pushXs, pushYs;
  
  	private final ArrayList<LayoutCallback> callbackList;
  
  	/** Constructor.
  	 * @param container The container that will be laid out.
  	 * @param lc The form flow constraints.
  	 * @param rowConstr The rows specifications. If more cell rows are required, the last element will be used for when there is no corresponding element in this array.
  	 * @param colConstr The columns specifications. If more cell rows are required, the last element will be used for when there is no corresponding element in this array.
  	 * @param ccMap The map containing the parsed constraints for each child component of <code>parent</code>. Will not be altered. Can have null CC which will use a common
  	 * cached one.
  	 * @param callbackList A list of callbacks or <code>null</code> if none. Will not be altered.
  	 */
  	public Grid(ContainerWrapper container, LC lc, AC rowConstr, AC colConstr, Map<? extends ComponentWrapper, CC> ccMap, ArrayList<LayoutCallback> callbackList)
  	{
  		this.lc = lc;
  		this.rowConstr = rowConstr;
  		this.colConstr = colConstr;
  		this.container = container;
  		this.callbackList = callbackList;
  
  		int wrap = lc.getWrapAfter() != 0 ? lc.getWrapAfter() : (lc.isFlowX() ? colConstr : rowConstr).getConstaints().length;
  		boolean useVisualPadding = lc.isVisualPadding();
  
  		final ComponentWrapper[] comps = container.getComponents();
  
  		boolean hasTagged = false;  // So we do not have to sort if it will not do any good
  		boolean hasPushX = false, hasPushY = false;
  		boolean hitEndOfRow = false;
  		final int[] cellXY = new int[2];
  		final ArrayList<int[]> spannedRects = new ArrayList<int[]>(2);
  
  		final DimConstraint[] specs = (lc.isFlowX() ? rowConstr : colConstr).getConstaints();
  
  		int sizeGroupsX = 0, sizeGroupsY = 0;
  		int[] dockInsets = null;    // top, left, bottom, right insets for docks.
  
  		LinkHandler.clearTemporaryBounds(container.getLayout());
  
  		for (int i = 0; i < comps.length;) {
  			ComponentWrapper comp = comps[i];
  			CC rootCc = getCC(comp, ccMap);
  
  			addLinkIDs(rootCc);
  
  			int hideMode = comp.isVisible() ? -1 : rootCc.getHideMode() != -1 ? rootCc.getHideMode() : lc.getHideMode();
  
  			if (hideMode == 3) { // To work with situations where there are components that does not have a layout manager, or not this one.
  				setLinkedBounds(comp, rootCc, comp.getX(), comp.getY(), comp.getWidth(), comp.getHeight(), rootCc.isExternal());
  				i++;
  				continue;   // The "external" component should not be handled further.
  			}
  
  			if (rootCc.getHorizontal().getSizeGroup() != null)
  				sizeGroupsX++;
  			if (rootCc.getVertical().getSizeGroup() != null)
  				sizeGroupsY++;
  
  			// Special treatment of absolute positioned components.
  			if (getPos(comp, rootCc) != null || rootCc.isExternal()) {
  
  				CompWrap cw = new CompWrap(comp, rootCc, hideMode, useVisualPadding);
  				Cell cell = grid.get(null);
  				if (cell == null) {
  					grid.put(null, new Cell(cw));
  				} else {
  					cell.compWraps.add(cw);
  				}
  
  				if (!rootCc.isBoundsInGrid() || rootCc.isExternal()) {
  					setLinkedBounds(comp, rootCc, comp.getX(), comp.getY(), comp.getWidth(), comp.getHeight(), rootCc.isExternal());
  					i++;
  					continue;
  				}
  			}
  
  			if (rootCc.getDockSide() != -1) {
  				if (dockInsets == null)
  					dockInsets = new int[] {-MAX_DOCK_GRID, -MAX_DOCK_GRID, MAX_DOCK_GRID, MAX_DOCK_GRID};
  
  				addDockingCell(dockInsets, rootCc.getDockSide(), new CompWrap(comp, rootCc, hideMode, useVisualPadding));
  				i++;
  				continue;
  			}
  
  			Boolean cellFlowX = rootCc.getFlowX();
  			Cell cell = null;
  
  			if (rootCc.isNewline()) {
  				wrap(cellXY, rootCc.getNewlineGapSize());
  			} else if (hitEndOfRow) {
  				wrap(cellXY, null);
  			}
  			hitEndOfRow = false;
  
  			final boolean rowNoGrid = lc.isNoGrid() || ((DimConstraint) LayoutUtil.getIndexSafe(specs, lc.isFlowX() ? cellXY[1] : cellXY[0])).isNoGrid();
  
  			// Move to a free y, x  if no absolute grid specified
  			int cx = rootCc.getCellX();
  			int cy = rootCc.getCellY();
  			if ((cx < 0 || cy < 0) && rowNoGrid == false && rootCc.getSkip() == 0) { // 3.7.2: If skip, don't find an empty cell first.
  				while (isCellFree(cellXY[1], cellXY[0], spannedRects) == false) {
  					if (Math.abs(increase(cellXY, 1)) >= wrap)
  						wrap(cellXY, null);
  				}
  			} else {
  				if (cx >= 0 && cy >= 0) {
  					if (cy >= 0) {
  						cellXY[0] = cx;
  						cellXY[1] = cy;
  					} else {    // Only one coordinate is specified. Use the current row (flowx) or column (flowy) to fill in.
  						if (lc.isFlowX()) {
  							cellXY[0] = cx;
  						} else {
  							cellXY[1] = cx;
  						}
  					}
  					ensureIndexSizes(cx, cy);
  				}
  				cell = getCell(cellXY[1], cellXY[0]);   // Might be null
  			}
  
  			// Skip a number of cells. Changed for 3.6.1 to take wrap into account and thus "skip" to the next and possibly more rows.
  			for (int s = 0, skipCount = rootCc.getSkip(); s < skipCount; s++) {
  				do {
  					if (Math.abs(increase(cellXY, 1)) >= wrap)
  						wrap(cellXY, null);
  				} while (isCellFree(cellXY[1], cellXY[0], spannedRects) == false);
  			}
  
  			// If cell is not created yet, create it and set it.
  			if (cell == null) {
  				int spanx = Math.min(rowNoGrid && lc.isFlowX() ? LayoutUtil.INF : rootCc.getSpanX(), MAX_GRID - cellXY[0]);
  				int spany = Math.min(rowNoGrid && !lc.isFlowX() ? LayoutUtil.INF : rootCc.getSpanY(), MAX_GRID - cellXY[1]);
  
  				cell = new Cell(spanx, spany, cellFlowX != null ? cellFlowX : lc.isFlowX());
  
  				setCell(cellXY[1], cellXY[0], cell);
  
  				// Add a rectangle so we can know that spanned cells occupy more space.
  				if (spanx > 1 || spany > 1)
  					spannedRects.add(new int[] {cellXY[0], cellXY[1], spanx, spany});
  			}
  
  			// Add the one, or all, components that split the grid position to the same Cell.
  			boolean wrapHandled = false;
  			int splitLeft = rowNoGrid ? LayoutUtil.INF : rootCc.getSplit() - 1;
  			boolean splitExit = false;
  			final boolean spanRestOfRow = (lc.isFlowX() ? rootCc.getSpanX() : rootCc.getSpanY()) == LayoutUtil.INF;
  
  			for (; splitLeft >= 0 && i < comps.length; splitLeft--) {
  				ComponentWrapper compAdd = comps[i];
  				CC cc = getCC(compAdd, ccMap);
  
  				addLinkIDs(cc);
  
  				boolean visible = compAdd.isVisible();
  				hideMode = visible ? -1 : cc.getHideMode() != -1 ? cc.getHideMode() : lc.getHideMode();
  
  				if (cc.isExternal() || hideMode == 3) {
  					i++;
  					splitLeft++;    // Added for 3.5.5 so that these components does not "take" a split slot.
  					continue;       // To work with situations where there are components that does not have a layout manager, or not this one.
  				}
  
  				hasPushX |= (visible || hideMode > 1) && (cc.getPushX() != null);
  				hasPushY |= (visible || hideMode > 1) && (cc.getPushY() != null);
  
  				if (cc != rootCc) { // If not first in a cell
  					if (cc.isNewline() || cc.isBoundsInGrid() == false || cc.getDockSide() != -1)
  						break;
  
  					if (splitLeft > 0 && cc.getSkip() > 0) {
  						splitExit = true;
  						break;
  					}
  				}
  
  				CompWrap cw = new CompWrap(compAdd, cc, hideMode, useVisualPadding);
  				cell.compWraps.add(cw);
  				cell.hasTagged |= cc.getTag() != null;
  				hasTagged |= cell.hasTagged;
  
  				if (cc != rootCc) {
  					if (cc.getHorizontal().getSizeGroup() != null)
  						sizeGroupsX++;
  					if (cc.getVertical().getSizeGroup() != null)
  						sizeGroupsY++;
  				}
  
  				i++;
  
  				if ((cc.isWrap() || (spanRestOfRow && splitLeft == 0))) {
  					if (cc.isWrap()) {
  						wrap(cellXY, cc.getWrapGapSize());
  					} else {
  						hitEndOfRow = true;
  					}
  					wrapHandled = true;
  					break;
  				}
  			}
  
  			if (wrapHandled == false && rowNoGrid == false) {
  				int span = lc.isFlowX() ? cell.spanx : cell.spany;
  				if (Math.abs((lc.isFlowX() ? cellXY[0] : cellXY[1])) + span >= wrap) {
  					hitEndOfRow = true;
  				} else {
  					increase(cellXY, splitExit ? span - 1 : span);
  				}
  			}
  		}
  
  		// If there were size groups, calculate the largest values in the groups (for min/pref/max) and enforce them on the rest in the group.
  		if (sizeGroupsX > 0 || sizeGroupsY > 0) {
  			HashMap<String, int[]> sizeGroupMapX = sizeGroupsX > 0 ? new HashMap<String, int[]>(sizeGroupsX) : null;
  			HashMap<String, int[]> sizeGroupMapY = sizeGroupsY > 0 ? new HashMap<String, int[]>(sizeGroupsY) : null;
  			ArrayList<CompWrap> sizeGroupCWs = new ArrayList<CompWrap>(Math.max(sizeGroupsX, sizeGroupsY));
  
  			for (Cell cell : grid.values()) {
  				for (int i = 0; i < cell.compWraps.size(); i++) {
  					CompWrap cw = cell.compWraps.get(i);
  					String sgx = cw.cc.getHorizontal().getSizeGroup();
  					String sgy = cw.cc.getVertical().getSizeGroup();
  
  					if (sgx != null || sgy != null) {
  						if (sgx != null && sizeGroupMapX != null)
  							addToSizeGroup(sizeGroupMapX, sgx, cw.getSizes(true));
  						if (sgy != null && sizeGroupMapY != null)
  							addToSizeGroup(sizeGroupMapY, sgy, cw.getSizes(false));
  						sizeGroupCWs.add(cw);
  					}
  				}
  			}
  
  			// Set/equalize the sizeGroups to same the values.
  			for (CompWrap cw : sizeGroupCWs) {
  				if (sizeGroupMapX != null)
  					cw.setForcedSizes(sizeGroupMapX.get(cw.cc.getHorizontal().getSizeGroup()), true);  // Target method handles null sizes
  				if (sizeGroupMapY != null)
  					cw.setForcedSizes(sizeGroupMapY.get(cw.cc.getVertical().getSizeGroup()), false); // Target method handles null sizes
  			}
  		} // Component loop
  
  		if (hasTagged)
  			sortCellsByPlatform(grid.values(), container);
  
  		// Calculate gaps now that the cells are filled and we know all adjacent components.
  		boolean ltr = LayoutUtil.isLeftToRight(lc, container);
  		for (Cell cell : grid.values()) {
  			ArrayList<CompWrap> cws = cell.compWraps;
  
  			for (int i = 0, lastI = cws.size() - 1; i <= lastI; i++) {
  				CompWrap cw = cws.get(i);
  				ComponentWrapper cwBef = i > 0 ? cws.get(i - 1).comp : null;
  				ComponentWrapper cwAft = i < lastI ? cws.get(i + 1).comp : null;
  
  				String tag = getCC(cw.comp, ccMap).getTag();
  				CC ccBef = cwBef != null ? getCC(cwBef, ccMap) : null;
  				CC ccAft = cwAft != null ? getCC(cwAft, ccMap) : null;
  
  				cw.calcGaps(cwBef, ccBef, cwAft, ccAft, tag, cell.flowx, ltr);
  			}
  		}
  
  		dockOffX = getDockInsets(colIndexes);
  		dockOffY = getDockInsets(rowIndexes);
  
  		// Add synthetic indexes for empty rows and columns so they can get a size
  		ensureIndexSizes(colConstr.getCount(), rowConstr.getCount());
  
  		colGroupLists = divideIntoLinkedGroups(false);
  		rowGroupLists = divideIntoLinkedGroups(true);
  
  		pushXs = hasPushX || lc.isFillX() ? getDefaultPushWeights(false) : null;
  		pushYs = hasPushY || lc.isFillY() ? getDefaultPushWeights(true) : null;
  
  		if (LayoutUtil.isDesignTime(container))
  			saveGrid(container, grid);
  	}
  
  	private void ensureIndexSizes(int colCount, int rowCount)
  	{
  		for (int i = 0; i < colCount; i++)
  			colIndexes.add(i);
  		for (int i = 0; i < rowCount; i++)
  			rowIndexes.add(i);
  	}
  
  	private static CC getCC(ComponentWrapper comp, Map<? extends ComponentWrapper, CC> ccMap)
  	{
  		CC cc = ccMap.get(comp);
  		return cc != null ? cc : DEF_CC;
  	}
  
  	private void addLinkIDs(CC cc)
  	{
  		String[] linkIDs = cc.getLinkTargets();
  		for (String linkID : linkIDs) {
  			if (linkTargetIDs == null)
  				linkTargetIDs = new HashMap<String, Boolean>();
  			linkTargetIDs.put(linkID, null);
  		}
  	}
  
  	/** If the container (parent) that this grid is laying out has changed its bounds, call this method to
  	 * clear any cached values min/pref/max sizes of the components and rows/columns.
  	 * <p>
  	 * If any component can have changed cell the grid needs to be recreated.
  	 */
  	public void invalidateContainerSize()
  	{
  		colFlowSpecs = null;
  		invalidateComponentSizes();
  	}
  
  	private void invalidateComponentSizes()
  	{
  		for (Cell cell : grid.values()) {
  			for (CompWrap compWrap : cell.compWraps)
  				compWrap.invalidateSizes();
  		}
  	}
  
  	/**
  	 * @deprecated since 5.0 Last boolean is not needed and is gotten from the new {@link themeengine.include.net.miginfocom.layout.ComponentWrapper#getContentBias()} instead;
  	 */
  	public boolean layout(int[] bounds, UnitValue alignX, UnitValue alignY, boolean debug, boolean notUsed)
  	{
  		return layoutImpl(bounds, alignX, alignY, debug, false);
  	}
  
  	/** Does the actual layout. Uses many values calculated in the constructor.
  	 * @param bounds The bounds to layout against. Normally that of the parent. [x, y, width, height].
  	 * @param alignX The alignment for the x-axis. Can be null.
  	 * @param alignY The alignment for the y-axis. Can be null.
  	 * @param debug If debug information should be saved in {@link #debugRects}.
  	 * @return If the layout has changed the preferred size and there is need for a new layout. This can happen if one or more components
  	 * in the grid has a content bias according to {@link themeengine.include.net.miginfocom.layout.ComponentWrapper#getContentBias()}.
  	 * @since 5.0
  	 */
  	public boolean layout(int[] bounds, UnitValue alignX, UnitValue alignY, boolean debug)
  	{
  		return layoutImpl(bounds, alignX, alignY, debug, false);
  	}
  
  	/** Does the actual layout. Uses many values calculated in the constructor.
  	 * @param bounds The bounds to layout against. Normally that of the parent. [x, y, width, height].
  	 * @param alignX The alignment for the x-axis. Can be null.
  	 * @param alignY The alignment for the y-axis. Can be null.
  	 * @param debug If debug information should be saved in {@link #debugRects}.
  	 * @param trialRun If true the bounds calculated will not be transferred to the components. Only the internal size
  	 * of the components will be calculated.
  	 * @return If the layout has changed the preferred size and there is need for a new layout. This can happen if one or more components
  	 * in the grid has a content bias according to {@link themeengine.include.net.miginfocom.layout.ComponentWrapper#getContentBias()}.
  	 * @since 5.0
  	 */
  	private boolean layoutImpl(int[] bounds, UnitValue alignX, UnitValue alignY, boolean debug, boolean trialRun)
  	{
  		if (debug)
  			debugRects = new ArrayList<int[]>();
  
  		if (colFlowSpecs == null)
  			checkSizeCalcs(bounds[2], bounds[3]);
  
  		resetLinkValues(true, true);
  
  		layoutInOneDim(bounds[2], alignX, false, pushXs);
  		layoutInOneDim(bounds[3], alignY, true, pushYs);
  
  		HashMap<String, Integer> endGrpXMap = null, endGrpYMap = null;
  		int compCount = container.getComponentCount();
  
  		// Transfer the calculated bound from the ComponentWrappers to the actual Components.
  		boolean addVisualPadding = lc.isVisualPadding();
  		boolean layoutAgain = false;
  		if (compCount > 0) {
  			for (int j = 0; j < (linkTargetIDs != null ? 2 : 1); j++) {   // First do the calculations (maybe more than once) then set the bounds when done
  				boolean doAgain;
  				int count = 0;
  				do {
  					doAgain = false;
  					for (Cell cell : grid.values()) {
  						for (CompWrap cw : cell.compWraps) {
  							if (j == 0) {
  								doAgain |= doAbsoluteCorrections(cw, bounds);
  								if (!doAgain) { // If we are going to do this again, do not bother this time around
  									if (cw.cc.getHorizontal().getEndGroup() != null)
  										endGrpXMap = addToEndGroup(endGrpXMap, cw.cc.getHorizontal().getEndGroup(), cw.x + cw.w);
  
  									if (cw.cc.getVertical().getEndGroup() != null)
  										endGrpYMap = addToEndGroup(endGrpYMap, cw.cc.getVertical().getEndGroup(), cw.y + cw.h);
  								}
  
  								// @since 3.7.2 Needed or absolute "pos" pointing to "visual" or "container" didn't work if
  								// their bounds changed during the layout cycle. At least not in SWT.
  								if (linkTargetIDs != null && (linkTargetIDs.containsKey("visual") || linkTargetIDs.containsKey("container"))) {
  									layoutAgain = true;
  								}
  							}
  
  							if (linkTargetIDs == null || j == 1) {
  								if (cw.cc.getHorizontal().getEndGroup() != null)
  									cw.w = endGrpXMap.get(cw.cc.getHorizontal().getEndGroup()) - cw.x;
  
  								if (cw.cc.getVertical().getEndGroup() != null)
  									cw.h = endGrpYMap.get(cw.cc.getVertical().getEndGroup()) - cw.y;
  
  								cw.x += bounds[0];
  								cw.y += bounds[1];
  
  								if (!trialRun)
  									cw.transferBounds(addVisualPadding);
  
  								if (callbackList != null) {
  									for (LayoutCallback callback : callbackList)
  										callback.correctBounds(cw.comp);
  								}
  							}
  						}
  					}
  					clearGroupLinkBounds();
  					if (++count > ((compCount << 3) + 10)) {
  						System.err.println("Unstable cyclic dependency in absolute linked values.");
  						break;
  					}
  
  				} while (doAgain);
  			}
  		}
  
  		// Add debug shapes for the "cells". Use the CompWraps as base for inding the cells.
  		if (debug) {
  			for (Cell cell : grid.values()) {
  				ArrayList<CompWrap> compWraps = cell.compWraps;
  				for (CompWrap cw : compWraps) {
  					LinkedDimGroup hGrp = getGroupContaining(colGroupLists, cw);
  					LinkedDimGroup vGrp = getGroupContaining(rowGroupLists, cw);
  
  					if (hGrp != null && vGrp != null)
  						debugRects.add(new int[]{hGrp.lStart + bounds[0] - (hGrp.fromEnd ? hGrp.lSize : 0), vGrp.lStart + bounds[1] - (vGrp.fromEnd ? vGrp.lSize : 0), hGrp.lSize, vGrp.lSize});
  				}
  			}
  		}
  		return layoutAgain;
  	}
  
  	public void paintDebug()
  	{
  		if (debugRects != null) {
  			container.paintDebugOutline(lc.isVisualPadding());
  
  			ArrayList<int[]> painted = new ArrayList<int[]>();
  			for (int[] r : debugRects) {
  				if (!painted.contains(r)) {
  					container.paintDebugCell(r[0], r[1], r[2], r[3]);
  					painted.add(r);
  				}
  			}
  
  			for (Cell cell : grid.values()) {
  				ArrayList<CompWrap> compWraps = cell.compWraps;
  				for (CompWrap compWrap : compWraps)
  					compWrap.comp.paintDebugOutline(lc.isVisualPadding());
  			}
  		}
  	}
  
  	public ContainerWrapper getContainer()
  	{
  		return container;
  	}
  
  	public final int[] getWidth()
  	{
  		return getWidth(lastRefHeight);
  	}
  
  	public final int[] getWidth(int refHeight)
  	{
  		checkSizeCalcs(lastRefWidth, refHeight);
  		return width.clone();
  	}
  
  	public final int[] getHeight()
  	{
  		return getHeight(lastRefWidth);
  	}
  
  	public final int[] getHeight(int refWidth)
  	{
  		checkSizeCalcs(refWidth, lastRefHeight);
  		return height.clone();
  	}
  
  	private int lastRefWidth = 0, lastRefHeight = 0;
  
  	private void checkSizeCalcs(int refWidth, int refHeight)
  	{
  		if (colFlowSpecs == null)
  			calcGridSizes(refWidth, refHeight);
  
  		if ((refWidth > 0 && refWidth != lastRefWidth) || (refHeight > 0 && refHeight != lastRefHeight)) {
  			int[] refBounds = new int[] {0, 0, (refWidth > 0 ? refWidth : width[LayoutUtil.PREF]), (refHeight > 0 ? refHeight : height[LayoutUtil.PREF])};
  			layoutImpl(refBounds, null, null, false, true);
  			calcGridSizes(refWidth, refHeight);
  		}
  
  		lastRefWidth = refWidth;
  		lastRefHeight = refHeight;
  	}
  
  	private void calcGridSizes(int refWidth, int refHeight)
  	{
  		// Note, in these calls the grid can be invalidated and specs set to null. Therefore use local versions.
  		FlowSizeSpec colSpecs = calcRowsOrColsSizes(true, refWidth);
  		FlowSizeSpec rowSpecs = calcRowsOrColsSizes(false, refHeight);
  
  		colFlowSpecs = colSpecs;
  		rowFlowSpecs = rowSpecs;
  
  		width = getMinPrefMaxSumSize(true, colSpecs.sizes);
  		height = getMinPrefMaxSumSize(false, rowSpecs.sizes);
  
  		if (linkTargetIDs == null) {
  			resetLinkValues(false, true);
  		} else {
  			// This call makes some components flicker on SWT. They get their bounds changed twice since
  			// the change might affect the absolute size adjustment below. There's no way around this that
  			// I know of.
  			layout(new int[]{0, 0, refWidth, refHeight}, null, null, false);
  			resetLinkValues(false, false);
  		}
  
  		adjustSizeForAbsolute(true);
  		adjustSizeForAbsolute(false);
  	}
  
  	private UnitValue[] getPos(ComponentWrapper cw, CC cc)
  	{
  		UnitValue[] callbackPos = null;
  		if (callbackList != null) {
  			for (int i = 0; i < callbackList.size() && callbackPos == null; i++)
  				callbackPos = callbackList.get(i).getPosition(cw);   // NOT a copy!
  		}
  
  		// If one is null, return the other (which many also be null)
  		UnitValue[] ccPos = cc.getPos();    // A copy!!
  		if (callbackPos == null || ccPos == null)
  			return callbackPos != null ? callbackPos : ccPos;
  
  		// Merge
  		for (int i = 0; i < 4; i++) {
  			UnitValue cbUv = callbackPos[i];
  			if (cbUv != null)
  				ccPos[i] = cbUv;
  		}
  
  		return ccPos;
  	}
  
  	private BoundSize[] getCallbackSize(ComponentWrapper cw)
  	{
  		if (callbackList != null) {
  			for (LayoutCallback callback : callbackList) {
  				BoundSize[] bs = callback.getSize(cw);   // NOT a copy!
  				if (bs != null)
  					return bs;
  			}
  		}
  		return null;
  	}
  
  	private static int getDockInsets(TreeSet<Integer> set)
  	{
  		int c = 0;
  		for (Integer i : set) {
  			if (i < -MAX_GRID) {
  				c++;
  			} else {
  				break;  // Since they are sorted we can break
  			}
  		}
  		return c;
  	}
  
  	/**
  	 * @param cw Never <code>null</code>.
  	 * @param cc Never <code>null</code>.
  	 * @param external The bounds should be stored even if they are not in {@link #linkTargetIDs}.
  	 * @return If a change has been made.
  	 */
  	private boolean setLinkedBounds(ComponentWrapper cw, CC cc, int x, int y, int w, int h, boolean external)
  	{
  		String id = cc.getId() != null ? cc.getId() : cw.getLinkId();
  		if (id == null)
  			return false;
  
  		String gid = null;
  		int grIx = id.indexOf('.');
  		if (grIx != -1 ) {
  			gid = id.substring(0, grIx);
  			id = id.substring(grIx + 1);
  		}
  
  		Object lay = container.getLayout();
  		boolean changed = false;
  		if (external || (linkTargetIDs != null && linkTargetIDs.containsKey(id)))
  			changed = LinkHandler.setBounds(lay, id, x, y, w, h, !external, false);
  
  		if (gid != null && (external || (linkTargetIDs != null && linkTargetIDs.containsKey(gid)))) {
  			if (linkTargetIDs == null)
  				linkTargetIDs = new HashMap<String, Boolean>(4);
  
  			linkTargetIDs.put(gid, Boolean.TRUE);
  			changed |= LinkHandler.setBounds(lay, gid, x, y, w, h, !external, true);
  		}
  
  		return changed;
  	}
  
  	/** Go to next cell.
  	 * @param p The point to increase
  	 * @param cnt How many cells to advance.
  	 * @return The new value in the "increasing" dimension.
  	 */
  	private int increase(int[] p, int cnt)
  	{
  		return lc.isFlowX() ? (p[0] += cnt) : (p[1] += cnt);
  	}
  
  	/** Wraps to the next row or column depending on if horizontal flow or vertical flow is used.
  	 * @param cellXY The point to wrap and thus set either x or y to 0 and increase the other one.
  	 * @param gapSize The gaps size specified in a "wrap XXX" or "newline XXX" or <code>null</code> if none.
  	 */
  	private void wrap(int[] cellXY, BoundSize gapSize)
  	{
  		boolean flowx = lc.isFlowX();
  		cellXY[0] = flowx ? 0 : cellXY[0] + 1;
  		cellXY[1] = flowx ? cellXY[1] + 1 : 0;
  
  		if (gapSize != null) {
  			if (wrapGapMap == null)
  				wrapGapMap = new HashMap<Integer, BoundSize>(8);
  
  			wrapGapMap.put(cellXY[flowx ? 1 : 0], gapSize);
  		}
  
  		// add the row/column so that the gap in the last row/col will not be removed.
  		if (flowx) {
  			rowIndexes.add(cellXY[1]);
  		} else {
  			colIndexes.add(cellXY[0]);
  		}
  	}
  
  	/** Sort components (normally buttons in a button bar) so they appear in the correct order.
  	 * @param cells The cells to sort.
  	 * @param parent The parent.
  	 */
  	private static void sortCellsByPlatform(Collection<Cell> cells, ContainerWrapper parent)
  	{
  		String order = PlatformDefaults.getButtonOrder();
  		String orderLo = order.toLowerCase();
  
  		int unrelSize = PlatformDefaults.convertToPixels(1, "u", true, 0, parent, null);
  
  		if (unrelSize == UnitConverter.UNABLE)
  			throw new IllegalArgumentException("'unrelated' not recognized by PlatformDefaults!");
  
  		int[] gapUnrel = new int[] {unrelSize, unrelSize, LayoutUtil.NOT_SET};
  		int[] flGap = new int[] {0, 0, LayoutUtil.NOT_SET};
  
  		for (Cell cell : cells) {
  			if (cell.hasTagged == false)
  				continue;
  
  			CompWrap prevCW = null;
  			boolean nextUnrel = false;
  			boolean nextPush = false;
  			ArrayList<CompWrap> sortedList = new ArrayList<CompWrap>(cell.compWraps.size());
  
  			for (int i = 0, iSz = orderLo.length(); i < iSz; i++) {
  				char c = orderLo.charAt(i);
  				if (c == '+' || c == '_') {
  					nextUnrel = true;
  					if (c == '+')
  						nextPush = true;
  				} else {
  					String tag = PlatformDefaults.getTagForChar(c);
  					if (tag != null) {
  						for (int j = 0, jSz = cell.compWraps.size(); j < jSz; j++) {
  							CompWrap cw = cell.compWraps.get(j);
  							if (tag.equals(cw.cc.getTag())) {
  								if (Character.isUpperCase(order.charAt(i)))
  									cw.adjustMinHorSizeUp((int) PlatformDefaults.getMinimumButtonWidthIncludingPadding(0, parent, cw.comp));
  
  								sortedList.add(cw);
  
  								if (nextUnrel) {
  									(prevCW != null ? prevCW : cw).mergeGapSizes(gapUnrel, cell.flowx, prevCW == null);
  									if (nextPush) {
  										cw.forcedPushGaps = 1;
  										nextUnrel = false;
  										nextPush = false;
  									}
  								}
  
  								// "unknown" components will always get an Unrelated gap.
  								if (c == 'u')
  									nextUnrel = true;
  								prevCW = cw;
  							}
  						}
  					}
  				}
  			}
  
  			// If we have a gap that was supposed to push but no more components was found to but the "gap before" then compensate.
  			if (sortedList.size() > 0) {
  				CompWrap cw = sortedList.get(sortedList.size() - 1);
  				if (nextUnrel) {
  					cw.mergeGapSizes(gapUnrel, cell.flowx, false);
  					if (nextPush)
  						cw.forcedPushGaps |= 2;
  				}
  
  				// Remove first and last gap if not set explicitly.
  				if (cw.cc.getHorizontal().getGapAfter() == null)
  					cw.setGaps(flGap, 3);
  
  				cw = sortedList.get(0);
  				if (cw.cc.getHorizontal().getGapBefore() == null)
  					cw.setGaps(flGap, 1);
  			}
  
  			// Exchange the unsorted CompWraps for the sorted one.
  			if (cell.compWraps.size() == sortedList.size()) {
  				cell.compWraps.clear();
  			} else {
  				cell.compWraps.removeAll(sortedList);
  			}
  			cell.compWraps.addAll(sortedList);
  		}
  	}
  
  	private Float[] getDefaultPushWeights(boolean isRows)
  	{
  		ArrayList<LinkedDimGroup>[] groupLists = isRows ? rowGroupLists : colGroupLists;
  
  		Float[] pushWeightArr = GROW_100;   // Only create specific if any of the components have grow.
  		for (int i = 0, ix = 1; i < groupLists.length; i++, ix += 2) {
  			ArrayList<LinkedDimGroup> grps = groupLists[i];
  			Float rowPushWeight = null;
  			for (LinkedDimGroup grp : grps) {
  				for (int c = 0; c < grp._compWraps.size(); c++) {
  					CompWrap cw = grp._compWraps.get(c);
  					int hideMode = cw.comp.isVisible() ? -1 : cw.cc.getHideMode() != -1 ? cw.cc.getHideMode() : lc.getHideMode();
  
  					Float pushWeight = hideMode < 2 ? (isRows ? cw.cc.getPushY() : cw.cc.getPushX()) : null;
  					if (rowPushWeight == null || (pushWeight != null && pushWeight.floatValue() > rowPushWeight.floatValue()))
  						rowPushWeight = pushWeight;
  				}
  			}
  
  			if (rowPushWeight != null) {
  				if (pushWeightArr == GROW_100)
  					pushWeightArr = new Float[(groupLists.length << 1) + 1];
  				pushWeightArr[ix] = rowPushWeight;
  			}
  		}
  
  		return pushWeightArr;
  	}
  
  	private void clearGroupLinkBounds()
  	{
  		if (linkTargetIDs == null)
  			return;
  
  		for (Map.Entry<String, Boolean> o : linkTargetIDs.entrySet()) {
  			if (o.getValue() == Boolean.TRUE)
  				LinkHandler.clearBounds(container.getLayout(), o.getKey());
  		}
  	}
  
  	private void resetLinkValues(boolean parentSize, boolean compLinks)
  	{
  		Object lay = container.getLayout();
  		if (compLinks)
  			LinkHandler.clearTemporaryBounds(lay);
  
  		boolean defIns = !hasDocks();
  
  		int parW = parentSize ? lc.getWidth().constrain(container.getWidth(), getParentSize(container, true), container) : 0;
  		int parH = parentSize ? lc.getHeight().constrain(container.getHeight(), getParentSize(container, false), container) : 0;
  
  		int insX = LayoutUtil.getInsets(lc, 0, defIns).getPixels(0, container, null);
  		int insY = LayoutUtil.getInsets(lc, 1, defIns).getPixels(0, container, null);
  		int visW = parW - insX - LayoutUtil.getInsets(lc, 2, defIns).getPixels(0, container, null);
  		int visH = parH - insY - LayoutUtil.getInsets(lc, 3, defIns).getPixels(0, container, null);
  
  		LinkHandler.setBounds(lay, "visual", insX, insY, visW, visH, true, false);
  		LinkHandler.setBounds(lay, "container", 0, 0, parW, parH, true, false);
  	}
  
  	/** Returns the {@link themeengine.include.net.miginfocom.layout.Grid.LinkedDimGroup} that has the {@link themeengine.include.net.miginfocom.layout.Grid.CompWrap}
  	 * <code>cw</code>.
  	 * @param groupLists The lists to search in.
  	 * @param cw The component wrap to find.
  	 * @return The linked group or <code>null</code> if none had the component wrap.
  	 */
  	private static LinkedDimGroup getGroupContaining(ArrayList<LinkedDimGroup>[] groupLists, CompWrap cw)
  	{
  		for (ArrayList<LinkedDimGroup> groups : groupLists) {
  			for (int j = 0, jSz = groups.size(); j < jSz; j++) {
  				ArrayList<CompWrap> cwList = groups.get(j)._compWraps;
  				for (int k = 0, kSz = cwList.size(); k < kSz; k++) {
  					if (cwList.get(k) == cw)
  						return groups.get(j);
  				}
  			}
  		}
  		return null;
  	}
  
  	private boolean doAbsoluteCorrections(CompWrap cw, int[] bounds)
  	{
  		boolean changed = false;
  
  		int[] stSz = getAbsoluteDimBounds(cw, bounds[2], true);
  		if (stSz != null)
  			cw.setDimBounds(stSz[0], stSz[1], true);
  
  		stSz = getAbsoluteDimBounds(cw, bounds[3], false);
  		if (stSz != null)
  			cw.setDimBounds(stSz[0], stSz[1], false);
  
  		// If there is a link id, store the new bounds.
  		if (linkTargetIDs != null)
  			changed = setLinkedBounds(cw.comp, cw.cc, cw.x, cw.y, cw.w, cw.h, false);
  
  		return changed;
  	}
  
  	/** Adjust grid's width or height for the absolute components' positions.
  	 */
  	private void adjustSizeForAbsolute(boolean isHor)
  	{
  		int[] curSizes = isHor ? width : height;
  
  		Cell absCell = grid.get(null);
  		if (absCell == null || absCell.compWraps.size() == 0)
  			return;
  
  		ArrayList<CompWrap> cws = absCell.compWraps;
  
  		int maxEnd = 0;
  		for (int j = 0, cwSz = absCell.compWraps.size(); j < cwSz + 3; j++) {  // "Do Again" max absCell.compWraps.size() + 3 times.
  			boolean doAgain = false;
  			for (int i = 0; i < cwSz; i++) {
  				CompWrap cw = cws.get(i);
  				int[] stSz = getAbsoluteDimBounds(cw, 0, isHor);
  				int end = stSz[0] + stSz[1];
  				if (maxEnd < end)
  					maxEnd = end;
  
  				// If there is a link id, store the new bounds.
  				if (linkTargetIDs != null)
  					doAgain |= setLinkedBounds(cw.comp, cw.cc, stSz[0], stSz[0], stSz[1], stSz[1], false);
  			}
  			if (doAgain == false)
  				break;
  
  			// We need to check this again since the coords may be smaller this round.
  			maxEnd = 0;
  			clearGroupLinkBounds();
  		}
  
  		maxEnd += LayoutUtil.getInsets(lc, isHor ? 3 : 2, !hasDocks()).getPixels(0, container, null);
  
  		if (curSizes[LayoutUtil.MIN] < maxEnd)
  			curSizes[LayoutUtil.MIN] = maxEnd;
  		if (curSizes[LayoutUtil.PREF] < maxEnd)
  			curSizes[LayoutUtil.PREF] = maxEnd;
  	}
  
  	private int[] getAbsoluteDimBounds(CompWrap cw, int refSize, boolean isHor)
  	{
  		if (cw.cc.isExternal()) {
  			if (isHor) {
  				return new int[] {cw.comp.getX(), cw.comp.getWidth()};
  			} else {
  				return new int[] {cw.comp.getY(), cw.comp.getHeight()};
  			}
  		}
  
  		UnitValue[] pad = cw.cc.getPadding();
  
  		// If no changes do not create a lot of objects
  		UnitValue[] pos = getPos(cw.comp, cw.cc);
  		if (pos == null && pad == null)
  			return null;
  
  		// Set start
  		int st = isHor ? cw.x : cw.y;
  		int sz = isHor ? cw.w : cw.h;
  
  		// If absolute, use those coordinates instead.
  		if (pos != null) {
  			UnitValue stUV = pos != null ? pos[isHor ? 0 : 1] : null;
  			UnitValue endUV = pos != null ? pos[isHor ? 2 : 3] : null;
  
  			int minSz = cw.getSize(LayoutUtil.MIN, isHor);
  			int maxSz = cw.getSize(LayoutUtil.MAX, isHor);
  			sz = Math.min(Math.max(cw.getSize(LayoutUtil.PREF, isHor), minSz), maxSz);
  
  			if (stUV != null) {
  				st = stUV.getPixels(stUV.getUnit() == UnitValue.ALIGN ? sz : refSize, container, cw.comp);
  
  				if (endUV != null)  // if (endUV == null && cw.cc.isBoundsIsGrid() == true)
  					sz = Math.min(Math.max((isHor ? (cw.x + cw.w) : (cw.y + cw.h)) - st, minSz), maxSz);
  			}
  
  			if (endUV != null) {
  				if (stUV != null) {   // if (stUV != null || cw.cc.isBoundsIsGrid()) {
  					sz = Math.min(Math.max(endUV.getPixels(refSize, container, cw.comp) - st, minSz), maxSz);
  				} else {
  					st = endUV.getPixels(refSize, container, cw.comp) - sz;
  				}
  			}
  		}
  
  		// If constraint has padding -> correct the start/size
  		if (pad != null) {
  			UnitValue uv = pad[isHor ? 1 : 0];
  			int p = uv != null ? uv.getPixels(refSize, container, cw.comp) : 0;
  			st += p;
  			uv = pad[isHor ? 3 : 2];
  			sz += -p + (uv != null ? uv.getPixels(refSize, container, cw.comp) : 0);
  		}
  
  		return new int[] {st, sz};
  	}
  
  	private void layoutInOneDim(int refSize, UnitValue align, boolean isRows, Float[] defaultPushWeights)
  	{
  		boolean fromEnd = !(isRows ? lc.isTopToBottom() : LayoutUtil.isLeftToRight(lc, container));
  		DimConstraint[] primDCs = (isRows ? rowConstr : colConstr).getConstaints();
  		FlowSizeSpec fss = isRows ? rowFlowSpecs : colFlowSpecs;
  		ArrayList<LinkedDimGroup>[] rowCols = isRows ? rowGroupLists : colGroupLists;
  
  		int[] rowColSizes = LayoutUtil.calculateSerial(fss.sizes, fss.resConstsInclGaps, defaultPushWeights, LayoutUtil.PREF, refSize);
  
  		if (LayoutUtil.isDesignTime(container)) {
  			TreeSet<Integer> indexes = isRows ? rowIndexes : colIndexes;
  			int[] ixArr = new int[indexes.size()];
  			int ix = 0;
  			for (Integer i : indexes)
  				ixArr[ix++] = i;
  
  			putSizesAndIndexes(container.getComponent(), rowColSizes, ixArr, isRows);
  		}
  
  		int curPos = align != null ? align.getPixels(refSize - LayoutUtil.sum(rowColSizes), container, null) : 0;
  
  		if (fromEnd)
  			curPos = refSize - curPos;
  
  		for (int i = 0 ; i < rowCols.length; i++) {
  			ArrayList<LinkedDimGroup> linkedGroups = rowCols[i];
  			int scIx = i - (isRows ? dockOffY : dockOffX);
  
  			int bIx = i << 1;
  			int bIx2 = bIx + 1;
  
  			curPos += (fromEnd ? -rowColSizes[bIx] : rowColSizes[bIx]);
  
  			DimConstraint primDC = scIx >= 0 ? primDCs[scIx >= primDCs.length ? primDCs.length - 1 : scIx] : DOCK_DIM_CONSTRAINT;
  
  			int rowSize = rowColSizes[bIx2];
  
  			for (LinkedDimGroup group : linkedGroups) {
  				int groupSize = rowSize;
  				if (group.span > 1)
  					groupSize = LayoutUtil.sum(rowColSizes, bIx2, Math.min((group.span << 1) - 1, rowColSizes.length - bIx2 - 1));
  
  				group.layout(primDC, curPos, groupSize, group.span);
  			}
  
  			curPos += (fromEnd ? -rowSize : rowSize);
  		}
  	}
  
  	private static void addToSizeGroup(HashMap<String, int[]> sizeGroups, String sizeGroup, int[] size)
  	{
  		int[] sgSize = sizeGroups.get(sizeGroup);
  		if (sgSize == null) {
  			sizeGroups.put(sizeGroup, new int[] {size[LayoutUtil.MIN], size[LayoutUtil.PREF], size[LayoutUtil.MAX]});
  		} else {
  			sgSize[LayoutUtil.MIN] = Math.max(size[LayoutUtil.MIN], sgSize[LayoutUtil.MIN]);
  			sgSize[LayoutUtil.PREF] = Math.max(size[LayoutUtil.PREF], sgSize[LayoutUtil.PREF]);
  			sgSize[LayoutUtil.MAX] = Math.min(size[LayoutUtil.MAX], sgSize[LayoutUtil.MAX]);
  		}
  	}
  
  	private static HashMap<String, Integer> addToEndGroup(HashMap<String, Integer> endGroups, String endGroup, int end)
  	{
  		if (endGroup != null) {
  			if (endGroups == null)
  				endGroups = new HashMap<String, Integer>(4);
  
  			Integer oldEnd = endGroups.get(endGroup);
  			if (oldEnd == null || end > oldEnd)
  				endGroups.put(endGroup, end);
  		}
  		return endGroups;
  	}
  
  	/** Calculates Min, Preferred and Max size for the columns OR rows.
  	 * @param isHor If it is the horizontal dimension to calculate.
  	 * @param containerSize The reference container size in the dimension. If <= 0 it will be replaced by the actual container's size.
  	 * @return The sizes in a {@link themeengine.include.net.miginfocom.layout.Grid.FlowSizeSpec}.
  	 */
  	private FlowSizeSpec calcRowsOrColsSizes(boolean isHor, int containerSize)
  	{
  		ArrayList<LinkedDimGroup>[] groupsLists = isHor ? colGroupLists : rowGroupLists;
  		Float[] defPush = isHor ? pushXs : pushYs;
  
  		if (containerSize <= 0)
  			containerSize = isHor ? container.getWidth() : container.getHeight();
  
  		BoundSize cSz = isHor ? lc.getWidth() : lc.getHeight();
  		if (!cSz.isUnset())
  			containerSize = cSz.constrain(containerSize, getParentSize(container, isHor), container);
  
  		DimConstraint[] primDCs = (isHor? colConstr : rowConstr).getConstaints();
  		TreeSet<Integer> primIndexes = isHor ? colIndexes : rowIndexes;
  
  		int[][] rowColBoundSizes = new int[primIndexes.size()][];
  		HashMap<String, int[]> sizeGroupMap = new HashMap<String, int[]>(4);
  		DimConstraint[] allDCs = new DimConstraint[primIndexes.size()];
  
  		Iterator<Integer> primIt = primIndexes.iterator();
  		for (int r = 0; r < rowColBoundSizes.length; r++) {
  			int cellIx = primIt.next();
  			int[] rowColSizes = new int[3];
  
  			if (cellIx >= -MAX_GRID && cellIx <= MAX_GRID) {  // If not dock cell
  				allDCs[r] = primDCs[cellIx >= primDCs.length ? primDCs.length - 1 : cellIx];
  			} else {
  				allDCs[r] = DOCK_DIM_CONSTRAINT;
  			}
  
  			ArrayList<LinkedDimGroup> groups = groupsLists[r];
  
  			int[] groupSizes = new int[] {
  					getTotalGroupsSizeParallel(groups, LayoutUtil.MIN, false),
  					getTotalGroupsSizeParallel(groups, LayoutUtil.PREF, false),
  					LayoutUtil.INF};
  
  			correctMinMax(groupSizes);
  			BoundSize dimSize = allDCs[r].getSize();
  
  			for (int sType = LayoutUtil.MIN; sType <= LayoutUtil.MAX; sType++) {
  
  				int rowColSize = groupSizes[sType];
  
  				UnitValue uv = dimSize.getSize(sType);
  				if (uv != null) {
  					// If the size of the column is a link to some other size, use that instead
  					int unit = uv.getUnit();
  					if (unit == UnitValue.PREF_SIZE) {
  						rowColSize = groupSizes[LayoutUtil.PREF];
  					} else if (unit == UnitValue.MIN_SIZE) {
  						rowColSize = groupSizes[LayoutUtil.MIN];
  					} else if (unit == UnitValue.MAX_SIZE) {
  						rowColSize = groupSizes[LayoutUtil.MAX];
  					} else {
  						rowColSize = uv.getPixels(containerSize, container, null);
  					}
  				} else if (cellIx >= -MAX_GRID && cellIx <= MAX_GRID && rowColSize == 0) {
  					rowColSize = LayoutUtil.isDesignTime(container) ? LayoutUtil.getDesignTimeEmptySize() : 0;    // Empty rows with no size set gets XX pixels if design time
  				}
  
  				rowColSizes[sType] = rowColSize;
  			}
  
  			correctMinMax(rowColSizes);
  			addToSizeGroup(sizeGroupMap, allDCs[r].getSizeGroup(), rowColSizes);
  
  			rowColBoundSizes[r] = rowColSizes;
  		}
  
  		// Set/equalize the size groups to same the values.
  		if (sizeGroupMap.size() > 0) {
  			for (int r = 0; r < rowColBoundSizes.length; r++) {
  				if (allDCs[r].getSizeGroup() != null)
  					rowColBoundSizes[r] = sizeGroupMap.get(allDCs[r].getSizeGroup());
  			}
  		}
  
  		// Add the gaps
  		ResizeConstraint[] resConstrs = getRowResizeConstraints(allDCs);
  
  		boolean[] fillInPushGaps = new boolean[allDCs.length + 1];
  		int[][] gapSizes = getRowGaps(allDCs, containerSize, isHor, fillInPushGaps);
  
  		FlowSizeSpec fss = mergeSizesGapsAndResConstrs(resConstrs, fillInPushGaps, rowColBoundSizes, gapSizes);
  
  		// Spanning components are not handled yet. Check and adjust the multi-row min/pref they enforce.
  		adjustMinPrefForSpanningComps(allDCs, defPush, fss, groupsLists);
  
  		return fss;
  	}
  
  	private static int getParentSize(ComponentWrapper cw, boolean isHor)
  	{
  		ContainerWrapper p = cw.getParent();
  		return p != null ? (isHor ? cw.getWidth() : cw.getHeight()) : 0;
  	}
  
  	private int[] getMinPrefMaxSumSize(boolean isHor, int[][] sizes)
  	{
  		int[] retSizes = new int[3];
  
  		BoundSize sz = isHor ? lc.getWidth() : lc.getHeight();
  
  		for (int i = 0; i < sizes.length; i++) {
  			if (sizes[i] != null) {
  				int[] size = sizes[i];
  				for (int sType = LayoutUtil.MIN; sType <= LayoutUtil.MAX; sType++) {
  					if (sz.getSize(sType) != null) {
  						if (i == 0)
  							retSizes[sType] = sz.getSize(sType).getPixels(getParentSize(container, isHor), container, null);
  					} else {
  						int s = size[sType];
  
  						if (s != LayoutUtil.NOT_SET) {
  							if (sType == LayoutUtil.PREF) {
  								int bnd = size[LayoutUtil.MAX];
  								if (bnd != LayoutUtil.NOT_SET && bnd < s)
  									s = bnd;
  
  								bnd = size[LayoutUtil.MIN];
  								if (bnd > s)    // Includes s == LayoutUtil.NOT_SET since < 0.
  									s = bnd;
  							}
  
  							retSizes[sType] += s;   // MAX compensated below.
  						}
  
  						// So that MAX is always correct.
  						if (size[LayoutUtil.MAX] == LayoutUtil.NOT_SET || retSizes[LayoutUtil.MAX] > LayoutUtil.INF)
  							retSizes[LayoutUtil.MAX] = LayoutUtil.INF;
  					}
  				}
  			}
  		}
  
  		correctMinMax(retSizes);
  
  		return retSizes;
  	}
  
  	private static ResizeConstraint[] getRowResizeConstraints(DimConstraint[] specs)
  	{
  		ResizeConstraint[] resConsts = new ResizeConstraint[specs.length];
  		for (int i = 0; i < resConsts.length; i++)
  			resConsts[i] = specs[i].resize;
  		return resConsts;
  	}
  
  	private static ResizeConstraint[] getComponentResizeConstraints(ArrayList<CompWrap> compWraps, boolean isHor)
  	{
  		ResizeConstraint[] resConsts = new ResizeConstraint[compWraps.size()];
  		for (int i = 0; i < resConsts.length; i++) {
  			CC fc = compWraps.get(i).cc;
  			resConsts[i] = fc.getDimConstraint(isHor).resize;
  
  			// Always grow docking components in the correct dimension.
  			int dock = fc.getDockSide();
  			if (isHor ? (dock == 0 || dock == 2) : (dock == 1 || dock == 3)) {
  				ResizeConstraint dc = resConsts[i];
  				resConsts[i] = new ResizeConstraint(dc.shrinkPrio, dc.shrink, dc.growPrio, ResizeConstraint.WEIGHT_100);
  			}
  		}
  		return resConsts;
  	}
  
  	private static boolean[] getComponentGapPush(ArrayList<CompWrap> compWraps, boolean isHor)
  	{
  		// Make one element bigger and or the after gap with the next before gap.
  		boolean[] barr = new boolean[compWraps.size() + 1];
  		for (int i = 0; i < barr.length; i++) {
  
  			boolean push = i > 0 && compWraps.get(i - 1).isPushGap(isHor, false);
  
  			if (push == false && i < (barr.length - 1))
  				push = compWraps.get(i).isPushGap(isHor, true);
  
  			barr[i] = push;
  		}
  		return barr;
  	}
  
  	/** Returns the row gaps in pixel sizes. One more than there are <code>specs</code> sent in.
  	 * @param specs
  	 * @param refSize
  	 * @param isHor
  	 * @param fillInPushGaps If the gaps are pushing. <b>NOTE!</b> this argument will be filled in and thus changed!
  	 * @return The row gaps in pixel sizes. One more than there are <code>specs</code> sent in.
  	 */
  	private int[][] getRowGaps(DimConstraint[] specs, int refSize, boolean isHor, boolean[] fillInPushGaps)
  	{
  		BoundSize defGap = isHor ? lc.getGridGapX() : lc.getGridGapY();
  		if (defGap == null)
  			defGap = isHor ? PlatformDefaults.getGridGapX() : PlatformDefaults.getGridGapY();
  		int[] defGapArr = defGap.getPixelSizes(refSize, container, null);
  
  		boolean defIns = !hasDocks();
  
  		UnitValue firstGap = LayoutUtil.getInsets(lc, isHor ? 1 : 0, defIns);
  		UnitValue lastGap = LayoutUtil.getInsets(lc, isHor ? 3 : 2, defIns);
  
          int[][] retValues = new int[specs.length + 1][];
  
  		for (int i = 0, wgIx = 0; i < retValues.length; i++) {
  	        DimConstraint specBefore = i > 0 ? specs[i - 1] : null;
  			DimConstraint specAfter = i < specs.length ? specs[i] : null;
  
  			// No gap if between docking components.
  			boolean edgeBefore = (specBefore == DOCK_DIM_CONSTRAINT || specBefore == null);
  			boolean edgeAfter = (specAfter == DOCK_DIM_CONSTRAINT || specAfter == null);
  			if (edgeBefore && edgeAfter)
  				continue;
  
  			BoundSize wrapGapSize = (wrapGapMap == null || isHor == lc.isFlowX() ? null : wrapGapMap.get(Integer.valueOf(wgIx++)));
  
  			if (wrapGapSize == null) {
  
  				int[] gapBefore = specBefore != null ? specBefore.getRowGaps(container, null, refSize, false) : null;
  				int[] gapAfter = specAfter != null ? specAfter.getRowGaps(container, null, refSize, true) : null;
  
  				if (edgeBefore && gapAfter == null && firstGap != null) {
  
  					int bef = firstGap.getPixels(refSize, container, null);
  					retValues[i] = new int[] {bef, bef, bef};
  
  				} else if (edgeAfter && gapBefore == null && firstGap != null) {
  
  					int aft = lastGap.getPixels(refSize, container, null);
  					retValues[i] = new int[] {aft, aft, aft};
  
  				} else {
  					retValues[i] = gapAfter != gapBefore ? mergeSizes(gapAfter, gapBefore) : new int[] {defGapArr[0], defGapArr[1], defGapArr[2]};
  				}
  
  				if (specBefore != null && specBefore.isGapAfterPush() || specAfter != null && specAfter.isGapBeforePush())
  					fillInPushGaps[i] = true;
  			} else {
  
  				if (wrapGapSize.isUnset()) {
  					retValues[i] = new int[] {defGapArr[0], defGapArr[1], defGapArr[2]};
  				} else {
  					retValues[i] = wrapGapSize.getPixelSizes(refSize, container, null);
  				}
  				fillInPushGaps[i] = wrapGapSize.getGapPush();
  			}
          }
          return retValues;
      }
  
  	private static int[][] getGaps(ArrayList<CompWrap> compWraps, boolean isHor)
  	{
  		int compCount = compWraps.size();
          int[][] retValues = new int[compCount + 1][];
  
  		retValues[0] = compWraps.get(0).getGaps(isHor, true);
          for (int i = 0; i < compCount; i++) {
  	        int[] gap1 = compWraps.get(i).getGaps(isHor, false);
  	        int[] gap2 = i < compCount - 1 ? compWraps.get(i + 1).getGaps(isHor, true) : null;
  
  			retValues[i + 1] = mergeSizes(gap1, gap2);
          }
  
          return retValues;
      }
  
  	private boolean hasDocks()
  	{
  		return (dockOffX > 0 || dockOffY > 0 || rowIndexes.last() > MAX_GRID || colIndexes.last() > MAX_GRID);
  	}
  
  	/** Adjust min/pref size for columns(or rows) that has components that spans multiple columns (or rows).
  	 * @param specs The specs for the columns or rows. Last index will be used if <code>count</code> is greater than this array's length.
  	 * @param defPush The default grow weight if the specs does not have anyone that will grow. Comes from "push" in the CC.
  	 * @param fss
  	 * @param groupsLists
  	 */
  	private void adjustMinPrefForSpanningComps(DimConstraint[] specs, Float[] defPush, FlowSizeSpec fss, ArrayList<LinkedDimGroup>[] groupsLists)
  	{
  		for (int r = groupsLists.length - 1; r >= 0; r--) { // Since 3.7.3 Iterate from end to start. Will solve some multiple spanning components hard to solve problems.
  			ArrayList<LinkedDimGroup> groups = groupsLists[r];
  
  			for (LinkedDimGroup group : groups) {
  				if (group.span == 1)
  					continue;
  
  				int[] sizes = group.getMinPrefMax();
  				for (int s = LayoutUtil.MIN; s <= LayoutUtil.PREF; s++) {
  					int cSize = sizes[s];
  					if (cSize == LayoutUtil.NOT_SET)
  						continue;
  
  					int rowSize = 0;
  					int sIx = (r << 1) + 1;
  					int len = Math.min((group.span << 1), fss.sizes.length - sIx) - 1;
  					for (int j = sIx; j < sIx + len; j++) {
  						int sz = fss.sizes[j][s];
  						if (sz != LayoutUtil.NOT_SET)
  							rowSize += sz;
  					}
  
  					if (rowSize < cSize && len > 0) {
  						for (int eagerness = 0, newRowSize = 0; eagerness < 4 && newRowSize < cSize; eagerness++)
  							newRowSize = fss.expandSizes(specs, defPush, cSize, sIx, len, s, eagerness);
  					}
  				}
  			}
  		}
  	}
  
  	/** For one dimension divide the component wraps into logical groups. One group for component wraps that share a common something,
  	 * line the property to layout by base line.
  	 * @param isRows If rows, and not columns, are to be divided.
  	 * @return One <code>ArrayList<LinkedDimGroup></code> for every row/column.
  	 */
  	private ArrayList<LinkedDimGroup>[] divideIntoLinkedGroups(boolean isRows)
  	{
  		boolean fromEnd = !(isRows ? lc.isTopToBottom() : LayoutUtil.isLeftToRight(lc, container));
  		TreeSet<Integer> primIndexes = isRows ? rowIndexes : colIndexes;
  		TreeSet<Integer> secIndexes = isRows ? colIndexes : rowIndexes;
  		DimConstraint[] primDCs = (isRows ? rowConstr : colConstr).getConstaints();
  
  		@SuppressWarnings("unchecked")
  		ArrayList<LinkedDimGroup>[] groupLists = new ArrayList[primIndexes.size()];
  
  		int gIx = 0;
  		for (int i : primIndexes) {
  
  			DimConstraint dc;
  			if (i >= -MAX_GRID && i <= MAX_GRID) {  // If not dock cell
  				dc = primDCs[i >= primDCs.length ? primDCs.length - 1 : i];
  			} else {
  				dc = DOCK_DIM_CONSTRAINT;
  			}
  
  			ArrayList<LinkedDimGroup> groupList = new ArrayList<LinkedDimGroup>(4);
  			groupLists[gIx++] = groupList;
  
  			for (Integer ix : secIndexes) {
  				Cell cell = isRows ? getCell(i, ix) : getCell(ix, i);
  				if (cell == null || cell.compWraps.size() == 0)
  					continue;
  
  				int span = (isRows ? cell.spany : cell.spanx);
  				if (span > 1)
  					span = convertSpanToSparseGrid(i, span, primIndexes);
  
  				boolean isPar = (cell.flowx == isRows);
  
  				if ((isPar == false && cell.compWraps.size() > 1) || span > 1) {
  
  					int linkType = isPar ? LinkedDimGroup.TYPE_PARALLEL : LinkedDimGroup.TYPE_SERIAL;
  					LinkedDimGroup lg = new LinkedDimGroup("p," + ix, span, linkType, !isRows, fromEnd);
  					lg.setCompWraps(cell.compWraps);
  					groupList.add(lg);
  				} else {
  					for (int cwIx = 0; cwIx < cell.compWraps.size(); cwIx++) {
  						CompWrap cw = cell.compWraps.get(cwIx);
  						boolean rowBaselineAlign = (isRows && lc.isTopToBottom() && dc.getAlignOrDefault(!isRows) == UnitValue.BASELINE_IDENTITY); // Disable baseline for bottomToTop since I can not verify it working.
  						boolean isBaseline = isRows && cw.isBaselineAlign(rowBaselineAlign);
  
  						String linkCtx = isBaseline ? "baseline" : null;
  
  						// Find a group with same link context and put it in that group.
  						boolean foundList = false;
  						for (int glIx = 0, lastGl = groupList.size() - 1; glIx <= lastGl; glIx++) {
  							LinkedDimGroup group = groupList.get(glIx);
  							if (group.linkCtx == linkCtx || linkCtx != null && linkCtx.equals(group.linkCtx)) {
  								group.addCompWrap(cw);
  								foundList = true;
  								break;
  							}
  						}
  
  						// If none found and at last add a new group.
  						if (foundList == false) {
  							int linkType = isBaseline ? LinkedDimGroup.TYPE_BASELINE : LinkedDimGroup.TYPE_PARALLEL;
  							LinkedDimGroup lg = new LinkedDimGroup(linkCtx, 1, linkType, !isRows, fromEnd);
  							lg.addCompWrap(cw);
  							groupList.add(lg);
  						}
  					}
  				}
  			}
  		}
  		return groupLists;
  	}
  
  	/** Spanning is specified in the uncompressed grid number. They can for instance be more than 60000 for the outer
  	 * edge dock grid cells. When the grid is compressed and indexed after only the cells that area occupied the span
  	 * is erratic. This method use the row/col indexes and corrects the span to be correct for the compressed grid.
  	 * @param span The span in the uncompressed grid. <code>LayoutUtil.INF</code> will be interpreted to span the rest
  	 * of the column/row excluding the surrounding docking components.
  	 * @param indexes The indexes in the correct dimension.
  	 * @return The converted span.
  	 */
  	private static int convertSpanToSparseGrid(int curIx, int span, TreeSet<Integer> indexes)
  	{
  		int lastIx = curIx + span;
  		int retSpan = 1;
  
  		for (Integer ix : indexes) {
  			if (ix <= curIx)
  				continue;   // We have not arrived to the correct index yet
  
  			if (ix >= lastIx)
  				break;
  
  			retSpan++;
  		}
  		return retSpan;
  	}
  
  	private boolean isCellFree(int r, int c, ArrayList<int[]> occupiedRects)
  	{
  		if (getCell(r, c) != null)
  			return false;
  
  		for (int[] rect : occupiedRects) {
  			if (rect[0] <= c && rect[1] <= r && rect[0] + rect[2] > c && rect[1] + rect[3] > r)
  				return false;
  		}
  		return true;
  	}
  
  	private Cell getCell(int r, int c)
  	{
  		return grid.get(Integer.valueOf((r << 16) + (c & 0xffff)));
  	}
  
  	private void setCell(int r, int c, Cell cell)
  	{
  		if (c < 0 || r < 0)
  			throw new IllegalArgumentException("Cell position cannot be negative. row: " + r + ", col: " + c);
  
  		if (c > MAX_GRID || r > MAX_GRID)
  			throw new IllegalArgumentException("Cell position out of bounds. Out of cells. row: " + r + ", col: " + c);
  
  		rowIndexes.add(r);
  		colIndexes.add(c);
  
  		grid.put((r << 16) + (c & 0xffff), cell);
  	}
  
  	/** Adds a docking cell. That cell is outside the normal cell indexes.
  	 * @param dockInsets The current dock insets. Will be updated!
  	 * @param side top == 0, left == 1, bottom = 2, right = 3.
  	 * @param cw The compwrap to put in a cell and add.
  	 */
  	private void addDockingCell(int[] dockInsets, int side, CompWrap cw)
  	{
  		int r, c, spanx = 1, spany = 1;
  		switch (side) {
  			case 0:
  			case 2:
  				r = side == 0 ? dockInsets[0]++ : dockInsets[2]--;
  				c = dockInsets[1];
  				spanx = dockInsets[3] - dockInsets[1] + 1;  // The +1 is for cell 0.
  				colIndexes.add(dockInsets[3]); // Make sure there is a receiving cell
  				break;
  
  			case 1:
  			case 3:
  				c = side == 1 ? dockInsets[1]++ : dockInsets[3]--;
  				r = dockInsets[0];
  				spany = dockInsets[2] - dockInsets[0] + 1;  // The +1 is for cell 0.
  				rowIndexes.add(dockInsets[2]); // Make sure there is a receiving cell
  				break;
  
  			default:
  				throw new IllegalArgumentException("Internal error 123.");
  		}
  
  		rowIndexes.add(r);
  		colIndexes.add(c);
  
  		grid.put((r << 16) + (c & 0xffff), new Cell(cw, spanx, spany, spanx > 1));
  	}
  
  	/** A simple representation of a cell in the grid. Contains a number of component wraps, if they span more than one cell.
  	 */
  	private static class Cell
  	{
  		private final int spanx, spany;
  		private final boolean flowx;
  		private final ArrayList<CompWrap> compWraps = new ArrayList<CompWrap>(2);
  
  		private boolean hasTagged = false;  // If one or more components have styles and need to be checked by the component sorter
  
  		private Cell(CompWrap cw)
  		{
  			this(cw, 1, 1, true);
  		}
  
  		private Cell(int spanx, int spany, boolean flowx)
  		{
  			this(null, spanx, spany, flowx);
  		}
  
  		private Cell(CompWrap cw, int spanx, int spany, boolean flowx)
  		{
  			if (cw != null)
  				compWraps.add(cw);
  			this.spanx = spanx;
  			this.spany = spany;
  			this.flowx = flowx;
  		}
  	}
  
  	/** A number of component wraps that share a layout "something" <b>in one dimension</b>
  	 */
  	private static class LinkedDimGroup
  	{
  		private static final int TYPE_SERIAL = 0;
  		private static final int TYPE_PARALLEL = 1;
  		private static final int TYPE_BASELINE = 2;
  
  		private final String linkCtx;
  		private final int span;
  		private final int linkType;
  		private final boolean isHor, fromEnd;
  
  		private final ArrayList<CompWrap> _compWraps = new ArrayList<CompWrap>(4);
  
  		private int lStart = 0, lSize = 0;  // Currently mostly for debug painting
  
  		private LinkedDimGroup(String linkCtx, int span, int linkType, boolean isHor, boolean fromEnd)
  		{
  			this.linkCtx = linkCtx;
  			this.span = span;
  			this.linkType = linkType;
  			this.isHor = isHor;
  			this.fromEnd = fromEnd;
  		}
  
  		private void addCompWrap(CompWrap cw)
  		{
  			_compWraps.add(cw);
  		}
  
  		private void setCompWraps(ArrayList<CompWrap> cws)
  		{
  			if (_compWraps != cws) {
  				_compWraps.clear();
  				_compWraps.addAll(cws);
  			}
  		}
  
  		private void layout(DimConstraint dc, int start, int size, int spanCount)
  		{
  			lStart = start;
  			lSize = size;
  
  			if (_compWraps.isEmpty())
  				return;
  
  			ContainerWrapper parent = _compWraps.get(0).comp.getParent();
  			if (linkType == TYPE_PARALLEL) {
  				layoutParallel(parent, _compWraps, dc, start, size, isHor, fromEnd);
  			} else if (linkType == TYPE_BASELINE) {
  				layoutBaseline(parent, _compWraps, dc, start, size, LayoutUtil.PREF, spanCount);
  			} else {
  				layoutSerial(parent, _compWraps, dc, start, size, isHor, spanCount, fromEnd);
  			}
  		}
  
  		/** Returns the min/pref/max sizes for this cell. Returned array <b>must not be altered</b>
  		 * @return A shared min/pref/max array of sizes. Always of length 3 and never <code>null</code>. Will always be of type STATIC and PIXEL.
  		 */
  		private int[] getMinPrefMax()
  		{
  			int[] sizes = new int[3];
  			if (!_compWraps.isEmpty()) {
  				for (int sType = LayoutUtil.MIN; sType <= LayoutUtil.PREF; sType++) {
  					if (linkType == TYPE_PARALLEL) {
  						sizes[sType] = getTotalSizeParallel(_compWraps, sType, isHor);
  					} else if (linkType == TYPE_BASELINE) {
  						int[] aboveBelow = getBaselineAboveBelow(_compWraps, sType, false);
  						sizes[sType] = aboveBelow[0] + aboveBelow[1];
  					} else {
  						sizes[sType] = getTotalSizeSerial(_compWraps, sType, isHor);
  					}
  				}
  				sizes[LayoutUtil.MAX] = LayoutUtil.INF;
  			}
  			return sizes;
  		}
  	}
  
  	/** Wraps a {@link java.awt.Component} together with its constraint. Caches a lot of information about the component so
  	 * for instance not the preferred size has to be calculated more than once.
  	 *
  	 * Note! Does not ask the min/pref/max sizes again after the constructor. This means that
  	 */
  	private final class CompWrap
  	{
  		private final ComponentWrapper comp;
  		private final CC cc;
  		private final int eHideMode;
  		private final boolean useVisualPadding;
  		private boolean sizesOk = false;
  		private boolean isAbsolute;
  
  		private int[][] gaps; // [top,left(actually before),bottom,right(actually after)][min,pref,max]
  
  		private final int[] horSizes = new int[3];
  		private final int[] verSizes = new int[3];
  
  		private int x = LayoutUtil.NOT_SET, y = LayoutUtil.NOT_SET, w = LayoutUtil.NOT_SET, h = LayoutUtil.NOT_SET;
  
  		private int forcedPushGaps = 0;   // 1 == before, 2 = after. Bitwise.
  
  		/**
  		 * @param c
  		 * @param cc
  		 * @param eHideMode Effective hide mode. <= 0 means visible.
  		 * @param useVisualPadding
  		 */
  		private CompWrap(ComponentWrapper c, CC cc, int eHideMode, boolean useVisualPadding)
  		{
  			this.comp = c;
  			this.cc = cc;
  			this.eHideMode = eHideMode;
  			this.useVisualPadding = useVisualPadding;
  			this.isAbsolute = cc.getHorizontal().getSize().isAbsolute() && cc.getVertical().getSize().isAbsolute();
  
  			if (eHideMode > 1) {
  				gaps = new int[4][];
  				for (int i = 0; i < gaps.length; i++)
  					gaps[i] = new int[3];
  			}
  		}
  
  		private int[] getSizes(boolean isHor)
  		{
  			validateSize();
  			return isHor ? horSizes : verSizes;
  		}
  
  		private void validateSize()
  		{
  			BoundSize[] callbackSz = getCallbackSize(comp);
  
  			if (isAbsolute && sizesOk && callbackSz == null)
  				return;
  
  			if (eHideMode <= 0) {
  				int contentBias = comp.getContentBias();
  
  				int sizeHint = contentBias == -1 ? -1 : (contentBias == 0 ? (w != LayoutUtil.NOT_SET ? w : comp.getWidth()) : (h != LayoutUtil.NOT_SET ? h : comp.getHeight()));
  
  				BoundSize hBS = (callbackSz != null && callbackSz[0] != null) ? callbackSz[0] : cc.getHorizontal().getSize();
  				BoundSize vBS = (callbackSz != null && callbackSz[1] != null) ? callbackSz[1] : cc.getVertical().getSize();
  
  				for (int i = LayoutUtil.MIN; i <= LayoutUtil.MAX; i++) {
  					switch (contentBias) {
  						case -1: // None
  						default:
  							horSizes[i] = getSize(hBS, i, true, useVisualPadding, -1);
  							verSizes[i] = getSize(vBS, i, false, useVisualPadding, -1);
  							break;
  						case 0: // Hor
  							horSizes[i] = getSize(hBS, i, true, useVisualPadding, -1);
  							verSizes[i] = getSize(vBS, i, false, useVisualPadding, sizeHint > 0 ? sizeHint : horSizes[i]);
  							break;
  						case 1: // Ver
  							verSizes[i] = getSize(vBS, i, false, useVisualPadding, -1);
  							horSizes[i] = getSize(hBS, i, true, useVisualPadding, sizeHint > 0 ? sizeHint : verSizes[i]);
  							break;
  					}
  				}
  
  				correctMinMax(horSizes);
  				correctMinMax(verSizes);
  			} else {
  				Arrays.fill(horSizes, 0); // Needed if component goes from visible -> invisible without recreating the grid.
  				Arrays.fill(verSizes, 0);
  			}
  			sizesOk = true;
  		}
  
  		private int getSize(BoundSize uvs, int sizeType, boolean isHor, boolean useVP, int sizeHint)
  		{
  			int size;
  			if (uvs == null || uvs.getSize(sizeType) == null) {
  				switch(sizeType) {
  					case LayoutUtil.MIN:
  						size = isHor ? comp.getMinimumWidth(sizeHint) : comp.getMinimumHeight(sizeHint);
  						break;
  					case LayoutUtil.PREF:
  						size = isHor ? comp.getPreferredWidth(sizeHint) : comp.getPreferredHeight(sizeHint);
  						break;
  					default:
  						size = isHor ? comp.getMaximumWidth(sizeHint) : comp.getMaximumHeight(sizeHint);
  						break;
  				}
  				if (useVP) {
  					//Do not include visual padding when calculating layout
  					int[] visualPadding = comp.getVisualPadding();
  
  					// Assume visualPadding is of length 4: top, left, bottom, right
  					if (visualPadding != null && visualPadding.length > 0)
  						size -= isHor ? (visualPadding[1] + visualPadding[3]) : (visualPadding[0] + visualPadding[2]);
  				}
  			} else {
  				ContainerWrapper par = comp.getParent();
  				float refValue = isHor ? par.getWidth() : par.getHeight();
  				size = uvs.getSize(sizeType).getPixels(refValue, par, comp);
  			}
  			return size;
  		}
  
  
  		private void calcGaps(ComponentWrapper before, CC befCC, ComponentWrapper after, CC aftCC, String tag, boolean flowX, boolean isLTR)
  		{
  			ContainerWrapper par = comp.getParent();
  			int parW = par.getWidth();
  			int parH = par.getHeight();
  
  			BoundSize befGap = before != null ? (flowX ? befCC.getHorizontal() : befCC.getVertical()).getGapAfter() : null;
  			BoundSize aftGap = after != null ? (flowX ? aftCC.getHorizontal() : aftCC.getVertical()).getGapBefore() : null;
  
  			mergeGapSizes(cc.getVertical().getComponentGaps(par, comp, befGap, (flowX ? null : before), tag, parH, 0, isLTR), false, true);
  			mergeGapSizes(cc.getHorizontal().getComponentGaps(par, comp, befGap, (flowX ? before : null), tag, parW, 1, isLTR), true, true);
  			mergeGapSizes(cc.getVertical().getComponentGaps(par, comp, aftGap, (flowX ? null : after), tag, parH, 2, isLTR), false, false);
  			mergeGapSizes(cc.getHorizontal().getComponentGaps(par, comp, aftGap, (flowX ? after : null), tag, parW, 3, isLTR), true, false);
  		}
  
  		private void setDimBounds(int start, int size, boolean isHor)
  		{
  			if (isHor) {
  				if (start != x || w != size) {
  					x = start;
  					w = size;
  					if (comp.getContentBias() == LayoutUtil.HORIZONTAL)
  						invalidateSizes(); // Only for components that have a bias the sizes will have changed.
  				}
  			} else {
  				if (start != y || h != size) {
  					y = start;
  					h = size;
  					if (comp.getContentBias() == LayoutUtil.VERTICAL)
  						invalidateSizes(); // Only for components that have a bias the sizes will have changed.
  				}
  			}
  		}
  
  		void invalidateSizes()
  		{
  			sizesOk = false;
  		}
  
  		private boolean isPushGap(boolean isHor, boolean isBefore)
  		{
  			if (isHor && ((isBefore ? 1 : 2) & forcedPushGaps) != 0)
  				return true;    // Forced
  
  			DimConstraint dc = cc.getDimConstraint(isHor);
  			BoundSize s = isBefore ? dc.getGapBefore() : dc.getGapAfter();
  			return s != null && s.getGapPush();
  		}
  
  		/** Transfers the bounds to the component
  		 */
  		private void transferBounds(boolean addVisualPadding)
  		{
  			if (cc.isExternal())
  				return;
  
  			int compX = x;
  			int compY = y;
  			int compW = w;
  			int compH = h;
  
  			if (addVisualPadding) {
  				//Add the visual padding back to the component when changing its size
  				int[] visualPadding = comp.getVisualPadding();
  				if (visualPadding != null) {
  					//assume visualPadding is of length 4: top, left, bottom, right
  					compX -= visualPadding[1];
  					compY -= visualPadding[0];
  					compW += (visualPadding[1] + visualPadding[3]);
  					compH += (visualPadding[0] + visualPadding[2]);
  				}
  			}
  
  			comp.setBounds(compX, compY, compW, compH);
  		}
  
  		private void setForcedSizes(int[] sizes, boolean isHor)
  		{
  			if (sizes == null)
  				return;
  
  			System.arraycopy(sizes, 0, getSizes(isHor), 0, 3);
  			sizesOk = true;
  		}
  
  		private void setGaps(int[] minPrefMax, int ix)
  		{
  			if (gaps == null)
  				gaps = new int[][] {null, null, null, null};
  
  			gaps[ix] = minPrefMax;
  		}
  
  		private void mergeGapSizes(int[] sizes, boolean isHor, boolean isTL)
  		{
  			if (gaps == null)
  				gaps = new int[][] {null, null, null, null};
  
  			if (sizes == null)
  				return;
  
  			int gapIX = getGapIx(isHor, isTL);
  			int[] oldGaps = gaps[gapIX];
  			if (oldGaps == null) {
  				oldGaps = new int[] {0, 0, LayoutUtil.INF};
  				gaps[gapIX] = oldGaps;
  			}
  
  			oldGaps[LayoutUtil.MIN] = Math.max(sizes[LayoutUtil.MIN], oldGaps[LayoutUtil.MIN]);
  			oldGaps[LayoutUtil.PREF] = Math.max(sizes[LayoutUtil.PREF], oldGaps[LayoutUtil.PREF]);
  			oldGaps[LayoutUtil.MAX] = Math.min(sizes[LayoutUtil.MAX], oldGaps[LayoutUtil.MAX]);
  		}
  
  		private int getGapIx(boolean isHor, boolean isTL)
  		{
  			return isHor ? (isTL ? 1 : 3) : (isTL ? 0 : 2);
  		}
  
  		private int getSizeInclGaps(int sizeType, boolean isHor)
  		{
  			return filter(sizeType, getGapBefore(sizeType, isHor) + getSize(sizeType, isHor) + getGapAfter(sizeType, isHor));
  		}
  
  		private int getSize(int sizeType, boolean isHor)
  		{
  			return filter(sizeType, getSizes(isHor)[sizeType]);
  		}
  
  		private int getGapBefore(int sizeType, boolean isHor)
  		{
  			int[] gaps = getGaps(isHor, true);
  			return gaps != null ? filter(sizeType, gaps[sizeType]) : 0;
  		}
  
  		private int getGapAfter(int sizeType, boolean isHor)
  		{
  			int[] gaps = getGaps(isHor, false);
  			return gaps != null ? filter(sizeType, gaps[sizeType]) : 0;
  		}
  
  		private int[] getGaps(boolean isHor, boolean isTL)
  		{
  			return gaps[getGapIx(isHor, isTL)];
  		}
  
  		private int filter(int sizeType, int size)
  		{
  			if (size == LayoutUtil.NOT_SET)
  				return sizeType != LayoutUtil.MAX ? 0 : LayoutUtil.INF;
  			return constrainSize(size);
  		}
  
  		private boolean isBaselineAlign(boolean defValue)
  		{
  			Float g = cc.getVertical().getGrow();
  			if (g != null && g.intValue() != 0)
  				return false;
  
  			UnitValue al = cc.getVertical().getAlign();
  			return (al != null ? al == UnitValue.BASELINE_IDENTITY : defValue) && comp.hasBaseline();
  		}
  
  		private int getBaseline(int sizeType)
  		{
  			return comp.getBaseline(getSize(sizeType, true), getSize(sizeType, false));
  		}
  
  		public void adjustMinHorSizeUp(int minSize)
  		{
  			int[] sz = getSizes(true);
  			if (sz[LayoutUtil.MIN] < minSize)
  				sz[LayoutUtil.MIN] = minSize;
  			correctMinMax(sz);
  		}
  	}
  
  	//***************************************************************************************
  	//* Helper Methods
  	//***************************************************************************************
  
  	private static void layoutBaseline(ContainerWrapper parent, ArrayList<CompWrap> compWraps, DimConstraint dc, int start, int size, int sizeType, int spanCount)
  	{
  		int[] aboveBelow = getBaselineAboveBelow(compWraps, sizeType, true);
  		int blRowSize = aboveBelow[0] + aboveBelow[1];
  
  		CC cc = compWraps.get(0).cc;
  
  		// Align for the whole baseline component array
  		UnitValue align = cc.getVertical().getAlign();
  		if (spanCount == 1 && align == null)
  			align = dc.getAlignOrDefault(false);
  		if (align == UnitValue.BASELINE_IDENTITY)
  			align = UnitValue.CENTER;
  
  		int offset = start + aboveBelow[0] + (align != null ? Math.max(0, align.getPixels(size - blRowSize, parent, null)) : 0);
  		for (CompWrap cw : compWraps) {
  			cw.y += offset;
  			if (cw.y + cw.h > start + size)
  				cw.h = start + size - cw.y;
  		}
  	}
  
  	private static void layoutSerial(ContainerWrapper parent, ArrayList<CompWrap> compWraps, DimConstraint dc, int start, int size, boolean isHor, int spanCount, boolean fromEnd)
  	{
  		FlowSizeSpec fss = mergeSizesGapsAndResConstrs(
  				getComponentResizeConstraints(compWraps, isHor),
  		        getComponentGapPush(compWraps, isHor),
  				getComponentSizes(compWraps, isHor),
  				getGaps(compWraps, isHor));
  
  		Float[] pushW = dc.isFill() ? GROW_100 : null;
  		int[] sizes = LayoutUtil.calculateSerial(fss.sizes, fss.resConstsInclGaps, pushW, LayoutUtil.PREF, size);
  		setCompWrapBounds(parent, sizes, compWraps, dc.getAlignOrDefault(isHor),  start, size, isHor, fromEnd);
  	}
  
  	private static void setCompWrapBounds(ContainerWrapper parent, int[] allSizes, ArrayList<CompWrap> compWraps, UnitValue rowAlign,  int start, int size, boolean isHor, boolean fromEnd)
  	{
  		int totSize = LayoutUtil.sum(allSizes);
  		CC cc = compWraps.get(0).cc;
  		UnitValue align = correctAlign(cc, rowAlign, isHor, fromEnd);
  
  		int cSt = start;
  		int slack = size - totSize;
  		if (slack > 0 && align != null) {
  			int al = Math.min(slack, Math.max(0, align.getPixels(slack, parent, null)));
  			cSt += (fromEnd ? -al : al);
  		}
  
  		for (int i = 0, bIx = 0, iSz = compWraps.size(); i < iSz; i++) {
  			CompWrap cw = compWraps.get(i);
  			if (fromEnd ) {
  				cSt -= allSizes[bIx++];
  				cw.setDimBounds(cSt - allSizes[bIx], allSizes[bIx], isHor);
  				cSt -= allSizes[bIx++];
  			} else {
  				cSt += allSizes[bIx++];
  				cw.setDimBounds(cSt, allSizes[bIx], isHor);
  				cSt += allSizes[bIx++];
  			}
  		}
  	}
  
  	private static void layoutParallel(ContainerWrapper parent, ArrayList<CompWrap> compWraps, DimConstraint dc, int start, int size, boolean isHor, boolean fromEnd)
  	{
  		int[][] sizes = new int[compWraps.size()][];    // [compIx][gapBef,compSize,gapAft]
  
  		for (int i = 0; i < sizes.length; i++) {
  			CompWrap cw = compWraps.get(i);
  
  			DimConstraint cDc = cw.cc.getDimConstraint(isHor);
  
  			ResizeConstraint[] resConstr = new ResizeConstraint[] {
  					cw.isPushGap(isHor, true) ? GAP_RC_CONST_PUSH : GAP_RC_CONST,
  					cDc.resize,
  					cw.isPushGap(isHor, false) ? GAP_RC_CONST_PUSH : GAP_RC_CONST,
  			};
  
  			int[][] sz = new int[][] {
  				cw.getGaps(isHor, true), cw.getSizes(isHor), cw.getGaps(isHor, false)
  			};
  
  			Float[] pushW = dc.isFill() ? GROW_100 : null;
  
  			sizes[i] = LayoutUtil.calculateSerial(sz, resConstr, pushW, LayoutUtil.PREF, size);
  		}
  
  		UnitValue rowAlign = dc.getAlignOrDefault(isHor);
  		setCompWrapBounds(parent, sizes, compWraps, rowAlign, start, size, isHor, fromEnd);
  	}
  
  	private static void setCompWrapBounds(ContainerWrapper parent, int[][] sizes, ArrayList<CompWrap> compWraps, UnitValue rowAlign,  int start, int size, boolean isHor, boolean fromEnd)
  	{
  		for (int i = 0; i < sizes.length; i++) {
  			CompWrap cw = compWraps.get(i);
  
  			UnitValue align = correctAlign(cw.cc, rowAlign, isHor, fromEnd);
  
  			int[] cSizes = sizes[i];
  			int gapBef = cSizes[0];
  			int cSize = cSizes[1];  // No Math.min(size, cSizes[1]) here!
  			int gapAft = cSizes[2];
  
  			int cSt = fromEnd ? start - gapBef : start + gapBef;
  			int slack = size - cSize - gapBef - gapAft;
  			if (slack > 0 && align != null) {
  				int al = Math.min(slack, Math.max(0, align.getPixels(slack, parent, null)));
  				cSt += (fromEnd ? -al : al);
  			}
  
  			cw.setDimBounds(fromEnd ? cSt - cSize : cSt, cSize, isHor);
  		}
  	}
  
  	private static UnitValue correctAlign(CC cc, UnitValue rowAlign, boolean isHor, boolean fromEnd)
  	{
  		UnitValue align = (isHor ? cc.getHorizontal() : cc.getVertical()).getAlign();
  		if (align == null)
  			align = rowAlign;
  		if (align == UnitValue.BASELINE_IDENTITY)
  			align = UnitValue.CENTER;
  
  		if (fromEnd) {
  			if (align == UnitValue.LEFT)
  				align = UnitValue.RIGHT;
  			else if (align == UnitValue.RIGHT)
  				align = UnitValue.LEFT;
  		}
  		return align;
  	}
  
  	private static int[] getBaselineAboveBelow(ArrayList<CompWrap> compWraps, int sType, boolean centerBaseline)
  	{
  		int maxAbove = Integer.MIN_VALUE;
  		int maxBelow = Integer.MIN_VALUE;
  		for (CompWrap cw : compWraps) {
  			int height = cw.getSize(sType, false);
  			if (height >= LayoutUtil.INF)
  				return new int[]{LayoutUtil.INF / 2, LayoutUtil.INF / 2};
  
  			int baseline = cw.getBaseline(sType);
  			int above = baseline + cw.getGapBefore(sType, false);
  			maxAbove = Math.max(above, maxAbove);
  			maxBelow = Math.max(height - baseline + cw.getGapAfter(sType, false), maxBelow);
  
  			if (centerBaseline)
  				cw.setDimBounds(-baseline, height, false);
  		}
  		return new int[] {maxAbove, maxBelow};
  	}
  
  	private static int getTotalSizeParallel(ArrayList<CompWrap> compWraps, int sType, boolean isHor)
  	{
  		int size = sType == LayoutUtil.MAX ? LayoutUtil.INF : 0;
  
  		for (CompWrap cw : compWraps) {
  			int cwSize = cw.getSizeInclGaps(sType, isHor);
  			if (cwSize >= LayoutUtil.INF)
  				return LayoutUtil.INF;
  
  			if (sType == LayoutUtil.MAX ? cwSize < size : cwSize > size)
  				size = cwSize;
  		}
  		return constrainSize(size);
  	}
  
  	private static int getTotalSizeSerial(ArrayList<CompWrap> compWraps, int sType, boolean isHor)
  	{
  		int totSize = 0;
  		for (int i = 0, iSz = compWraps.size(), lastGapAfter = 0; i < iSz; i++) {
  			CompWrap wrap = compWraps.get(i);
  			int gapBef = wrap.getGapBefore(sType, isHor);
  			if (gapBef > lastGapAfter)
  				totSize += gapBef - lastGapAfter;
  
  			totSize += wrap.getSize(sType, isHor);
  			totSize += (lastGapAfter = wrap.getGapAfter(sType, isHor));
  
  			if (totSize >= LayoutUtil.INF)
  				return LayoutUtil.INF;
  		}
  		return constrainSize(totSize);
  	}
  
  	private static int getTotalGroupsSizeParallel(ArrayList<LinkedDimGroup> groups, int sType, boolean countSpanning)
  	{
  		int size = sType == LayoutUtil.MAX ? LayoutUtil.INF : 0;
  		for (LinkedDimGroup group : groups) {
  			if (countSpanning || group.span == 1) {
  				int grpSize = group.getMinPrefMax()[sType];
  				if (grpSize >= LayoutUtil.INF)
  					return LayoutUtil.INF;
  
  				if (sType == LayoutUtil.MAX ? grpSize < size : grpSize > size)
  					size = grpSize;
  			}
  		}
  		return constrainSize(size);
  	}
  
  	/**
  	 * @param compWraps
  	 * @param isHor
  	 * @return Might contain LayoutUtil.NOT_SET
  	 */
  	private static int[][] getComponentSizes(ArrayList<CompWrap> compWraps, boolean isHor)
  	{
  		int[][] compSizes = new int[compWraps.size()][];
  		for (int i = 0; i < compSizes.length; i++)
  			compSizes[i] = compWraps.get(i).getSizes(isHor);
  		return compSizes;
  	}
  
  	/** Merges sizes and gaps together with Resize Constraints. For gaps {@link #GAP_RC_CONST} is used.
  	 * @param resConstr One resize constraint for every row/component. Can be lesser in length and the last element should be used for missing elements.
  	 * @param gapPush If the corresponding gap should be considered pushing and thus want to take free space if left over. Should be one more than resConstrs!
  	 * @param minPrefMaxSizes The sizes (min/pref/max) for every row/component.
  	 * @param gapSizes The gaps before and after each row/component packed in one double sized array.
  	 * @return A holder for the merged values.
  	 */
  	private static FlowSizeSpec mergeSizesGapsAndResConstrs(ResizeConstraint[] resConstr, boolean[] gapPush, int[][] minPrefMaxSizes, int[][] gapSizes)
  	{
  		int[][] sizes = new int[(minPrefMaxSizes.length << 1) + 1][];  // Make room for gaps around.
  		ResizeConstraint[] resConstsInclGaps = new ResizeConstraint[sizes.length];
  
  		sizes[0] = gapSizes[0];
  		for (int i = 0, crIx = 1; i < minPrefMaxSizes.length; i++, crIx += 2) {
  
  			// Component bounds and constraints
  			resConstsInclGaps[crIx] = resConstr[i];
  			sizes[crIx] = minPrefMaxSizes[i];
  
  			sizes[crIx + 1] = gapSizes[i + 1];
  
  			if (sizes[crIx - 1] != null)
  				resConstsInclGaps[crIx - 1] = gapPush[i < gapPush.length ? i : gapPush.length - 1] ? GAP_RC_CONST_PUSH : GAP_RC_CONST;
  
  			if (i == (minPrefMaxSizes.length - 1) && sizes[crIx + 1] != null)
  				resConstsInclGaps[crIx + 1] = gapPush[(i + 1) < gapPush.length ? (i + 1) : gapPush.length - 1] ? GAP_RC_CONST_PUSH : GAP_RC_CONST;
  		}
  
  		// Check for null and set it to 0, 0, 0.
  		for (int i = 0; i < sizes.length; i++) {
  			if (sizes[i] == null)
  				sizes[i] = new int[3];
  		}
  
  		return new FlowSizeSpec(sizes, resConstsInclGaps);
  	}
  
  	private static int[] mergeSizes(int[] oldValues, int[] newValues)
  	{
  		if (oldValues == null)
  			return newValues;
  
  		if (newValues == null)
  			return oldValues;
  
  		int[] ret = new int[oldValues.length];
  		for (int i = 0; i < ret.length; i++)
  			ret[i] = mergeSizes(oldValues[i], newValues[i], true);
  
  		return ret;
  	}
  
  	private static int mergeSizes(int oldValue, int newValue, boolean toMax)
  	{
  		if (oldValue == LayoutUtil.NOT_SET || oldValue == newValue)
  			return newValue;
  
  		if (newValue == LayoutUtil.NOT_SET)
  			return oldValue;
  
  		return toMax != oldValue > newValue ? newValue : oldValue;
  	}
  
  	private static int constrainSize(int s)
  	{
  		return s > 0 ? (s < LayoutUtil.INF ? s : LayoutUtil.INF) : 0;
  	}
  
  	private static void correctMinMax(int s[])
  	{
  		if (s[LayoutUtil.MIN] > s[LayoutUtil.MAX])
  			s[LayoutUtil.MIN] = s[LayoutUtil.MAX];  // Since MAX is almost always explicitly set use that
  
  		if (s[LayoutUtil.PREF] < s[LayoutUtil.MIN])
  			s[LayoutUtil.PREF] = s[LayoutUtil.MIN];
  
  		if (s[LayoutUtil.PREF] > s[LayoutUtil.MAX])
  			s[LayoutUtil.PREF] = s[LayoutUtil.MAX];
  	}
  
  	private static final class FlowSizeSpec
  	{
  		private final int[][] sizes;  // [row/col index][min, pref, max]
  		private final ResizeConstraint[] resConstsInclGaps;  // [row/col index]
  
  		private FlowSizeSpec(int[][] sizes, ResizeConstraint[] resConstsInclGaps)
  		{
  			this.sizes = sizes;
  			this.resConstsInclGaps = resConstsInclGaps;
  		}
  
  		/**
  		 * @param specs The specs for the columns or rows. Last index will be used of <code>fromIx + len</code> is greater than this array's length.
  		 * @param targetSize The size to try to meet.
  		 * @param defGrow The default grow weight if the specs does not have anyone that will grow. Comes from "push" in the CC.
  		 * @param fromIx
  		 * @param len
  		 * @param sizeType
  		 * @param eagerness How eager the algorithm should be to try to expand the sizes.
  		 * <ul>
  		 * <li>0 - Grow only rows/columns which have the <code>sizeType</code> set to be the containing components AND which has a grow weight &gt; 0.
  		 * <li>1 - Grow only rows/columns which have the <code>sizeType</code> set to be the containing components AND which has a grow weight &gt; 0 OR unspecified.
  		 * <li>2 - Grow all rows/columns that have a grow weight &gt; 0.
  		 * <li>3 - Grow all rows/columns that have a grow weight &gt; 0 OR unspecified.
  		 * </ul>
  		 * @return The new size.
  		 */
  		private int expandSizes(DimConstraint[] specs, Float[] defGrow, int targetSize, int fromIx, int len, int sizeType, int eagerness)
  		{
  			ResizeConstraint[] resConstr = new ResizeConstraint[len];
  			int[][] sizesToExpand = new int[len][];
  			for (int i = 0; i < len; i++) {
  				int[] minPrefMax = sizes[i + fromIx];
  				sizesToExpand[i] = new int[] {minPrefMax[sizeType], minPrefMax[LayoutUtil.PREF], minPrefMax[LayoutUtil.MAX]};
  
  				if (eagerness <= 1 && i % 2 == 0) { // (i % 2 == 0) means only odd indexes, which is only rows/col indexes and not gaps.
  					int cIx = (i + fromIx - 1) >> 1;
  					DimConstraint spec = (DimConstraint) LayoutUtil.getIndexSafe(specs, cIx);
  
  					BoundSize sz = spec.getSize();
  					if (    (sizeType == LayoutUtil.MIN && sz.getMin() != null && sz.getMin().getUnit() != UnitValue.MIN_SIZE) ||
  					        (sizeType == LayoutUtil.PREF && sz.getPreferred() != null && sz.getPreferred().getUnit() != UnitValue.PREF_SIZE)) {
  						continue;
  					}
  				}
  				resConstr[i] = (ResizeConstraint) LayoutUtil.getIndexSafe(resConstsInclGaps, i + fromIx);
  			}
  
  			Float[] growW = (eagerness == 1 || eagerness == 3) ? extractSubArray(specs, defGrow, fromIx, len): null;
  			int[] newSizes = LayoutUtil.calculateSerial(sizesToExpand, resConstr, growW, LayoutUtil.PREF, targetSize);
  			int newSize = 0;
  
  			for (int i = 0; i < len; i++) {
  				int s = newSizes[i];
  				sizes[i + fromIx][sizeType] = s;
  				newSize += s;
  			}
  			return newSize;
  		}
  	}
  
  	private static Float[] extractSubArray(DimConstraint[] specs, Float[] arr, int ix, int len)
  	{
  		if (arr == null || arr.length < ix + len) {
  			Float[] growLastArr = new Float[len];
  
  			// Handle a group where some rows (first one/few and/or last one/few) are docks.
  			for (int i = ix + len - 1; i >= 0; i -= 2) {
  				int specIx = (i >> 1);
  				if (specs[specIx] != DOCK_DIM_CONSTRAINT) {
  					growLastArr[i - ix] = ResizeConstraint.WEIGHT_100;
  					return growLastArr;
  				}
  			}
  			return growLastArr;
  		}
  
  		Float[] newArr = new Float[len];
  		for (int i = 0; i < len; i++)
  			newArr[i] = arr[ix + i];
  		return newArr;
  	}
  
  	private static WeakHashMap<Object, int[][]>[] PARENT_ROWCOL_SIZES_MAP = null;
  	@SuppressWarnings( "unchecked" )
  	private static synchronized void putSizesAndIndexes(Object parComp, int[] sizes, int[] ixArr, boolean isRows)
  	{
  		if (PARENT_ROWCOL_SIZES_MAP == null)    // Lazy since only if designing in IDEs
  			PARENT_ROWCOL_SIZES_MAP = new WeakHashMap[] {new WeakHashMap<Object,int[][]>(4), new WeakHashMap<Object,int[][]>(4)};
  
  		PARENT_ROWCOL_SIZES_MAP[isRows ? 0 : 1].put(parComp, new int[][]{ixArr, sizes});
  	}
  
  	static synchronized int[][] getSizesAndIndexes(Object parComp, boolean isRows)
  	{
  		if (PARENT_ROWCOL_SIZES_MAP == null)
  			return null;
  
  		return PARENT_ROWCOL_SIZES_MAP[isRows ? 0 : 1].get(parComp);
  	}
  
  	private static WeakHashMap<Object, ArrayList<WeakCell>> PARENT_GRIDPOS_MAP = null;
  	private static synchronized void saveGrid(ComponentWrapper parComp, LinkedHashMap<Integer, Cell> grid)
  	{
  		if (PARENT_GRIDPOS_MAP == null)    // Lazy since only if designing in IDEs
  			PARENT_GRIDPOS_MAP = new WeakHashMap<Object, ArrayList<WeakCell>>(4);
  
  		ArrayList<WeakCell> weakCells = new ArrayList<WeakCell>(grid.size());
  
  		for (Map.Entry<Integer, Cell> e : grid.entrySet()) {
  			Cell cell = e.getValue();
  			Integer xyInt = e.getKey();
  			if (xyInt != null) {
  				int x = (xyInt << 16) >> 16;
  				int y = xyInt >> 16;
  
  				for (CompWrap cw : cell.compWraps)
  					weakCells.add(new WeakCell(cw.comp.getComponent(), x, y, cell.spanx, cell.spany));
  			}
  		}
  
  		PARENT_GRIDPOS_MAP.put(parComp.getComponent(), weakCells);
  	}
  
  	static synchronized HashMap<Object, int[]> getGridPositions(Object parComp)
  	{
  		ArrayList<WeakCell> weakCells = PARENT_GRIDPOS_MAP != null ? PARENT_GRIDPOS_MAP.get(parComp) : null;
  		if (weakCells == null)
  			return null;
  
  		HashMap<Object, int[]> retMap = new HashMap<Object, int[]>();
  
  		for (WeakCell wc : weakCells) {
  			Object component = wc.componentRef.get();
  			if (component != null)
  				retMap.put(component, new int[] {wc.x, wc.y, wc.spanX, wc.spanY});
  		}
  
  		return retMap;
  	}
  
  	private static class WeakCell
  	{
  		private final WeakReference<Object> componentRef;
  		private final int x, y, spanX, spanY;
  
  		private WeakCell(Object component, int x, int y, int spanX, int spanY)
  		{
  			this.componentRef = new WeakReference<Object>(component);
  			this.x = x;
  			this.y = y;
  			this.spanX = spanX;
  			this.spanY = spanY;
  		}
  	}
  }
  