content: /*
  Copyright (c) 2022 Andrew Auclair
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
   */
  package io.github.andrewauclair.moderndocking.internal;
  
  import io.github.andrewauclair.moderndocking.Dockable;
  import io.github.andrewauclair.moderndocking.api.DockingAPI;
  import io.github.andrewauclair.moderndocking.api.RootDockingPanelAPI;
  import io.github.andrewauclair.moderndocking.ui.ToolbarLocation;
  import io.github.andrewauclair.moderndocking.internal.util.SlideBorder;
  import java.awt.Dimension;
  import java.awt.GridBagConstraints;
  import java.awt.GridBagLayout;
  import java.awt.Point;
  import java.awt.event.ComponentEvent;
  import java.awt.event.ComponentListener;
  import java.awt.event.MouseEvent;
  import java.awt.event.MouseMotionListener;
  import javax.swing.JPanel;
  import javax.swing.SwingUtilities;
  
  /**
   * Special JPanel used to contain a dockable within a docking toolbar
   */
  public class DockedAutoHidePanel extends JPanel implements ComponentListener, MouseMotionListener {
  	/**
  	 * The root that this auto hide panel belongs to
  	 */
  	private final RootDockingPanelAPI root;
  	/**
  	 * The toolbar that contains the dockable in this auto hide panel
  	 */
  	private final DockableToolbar toolbar;
  
  	/**
  	 * Flag indicating if the panel has been configured. Configuration doesn't occur until the panel is setVisible(true)
  	 */
  	private boolean configured = false;
  
  	/**
  	 * Create a new DockedAutoHidePanel to contain a dockable on a docking toolbar
  	 *
  	 * @param docking The docking instance
  	 * @param dockable The dockable contained on this panel
  	 * @param root The root panel of the Window
  	 * @param toolbar The toolbar this panel is in
  	 */
  	public DockedAutoHidePanel(DockingAPI docking, Dockable dockable, RootDockingPanelAPI root, DockableToolbar toolbar) {
  		this.root = root;
  		this.toolbar = toolbar;
  
  		root.addComponentListener(this);
  		addComponentListener(this);
  
  		setLayout(new GridBagLayout());
  
  		GridBagConstraints gbc = new GridBagConstraints();
  		gbc.gridx = 0;
  		gbc.gridy = 0;
  
  		DockableWrapper wrapper = DockingInternal.get(docking).getWrapper(dockable);
  		DockedSimplePanel panel = new DockedSimplePanel(docking, wrapper, "", wrapper.getDisplayPanel(), false);
  		SlideBorder slideBorder = new SlideBorder(toolbar.getDockedLocation());
  
  		if (toolbar.getDockedLocation() == ToolbarLocation.SOUTH) {
  			gbc.weightx = 1.0;
  			gbc.fill = GridBagConstraints.HORIZONTAL;
  			add(slideBorder, gbc);
  			gbc.weightx = 1.0;
  			gbc.weighty = 1.0;
  			gbc.fill = GridBagConstraints.BOTH;
  			gbc.gridy++;
  			add(panel, gbc);
  		}
  		else if (toolbar.getDockedLocation() == ToolbarLocation.EAST) {
  			gbc.weighty = 1.0;
  			gbc.fill = GridBagConstraints.VERTICAL;
  			add(slideBorder, gbc);
  			gbc.weightx = 1.0;
  			gbc.weighty = 1.0;
  			gbc.fill = GridBagConstraints.BOTH;
  			gbc.gridx++;
  			add(panel, gbc);
  		}
  		else {
  			gbc.weightx = 1.0;
  			gbc.weighty = 1.0;
  			gbc.fill = GridBagConstraints.BOTH;
  			add(panel, gbc);
  			gbc.weightx = 0.0;
  			gbc.weighty = 1.0;
  			gbc.fill = GridBagConstraints.VERTICAL;
  			gbc.gridx++;
  			add(slideBorder, gbc);
  		}
  
  		slideBorder.addMouseMotionListener(this);
  	}
  
  	@Override
  	public void setVisible(boolean visible) {
  		super.setVisible(visible);
  
  		setLocationAndSize(0);
  
  		if (!configured) {
  			configured = true;
  		}
  	}
  
  	private void setLocationAndSize(int widthDifference) {
  		Point toolbarLocation = toolbar.getLocation();
  		SwingUtilities.convertPointToScreen(toolbarLocation, toolbar.getParent());
  
  		Dimension toolbarSize = toolbar.getSize();
  
  		// this panel will be in a layered pane without a layout manager
  		// we must configure the size and position ourselves
  		if (toolbar.isVertical()) {
  			int width = (int) (root.getWidth() / 4.0);
  			int height = toolbarSize.height;
  
  			if (configured) {
  				width = getWidth() + widthDifference;
  			}
  
  			width = Math.max(100, width);
  			width = Math.min(width, getParent().getWidth() - 100);
  
  			Point location = new Point(toolbarLocation.x + toolbarSize.width, toolbarLocation.y);
  			Dimension size = new Dimension(width, height);
  
  			if (toolbar.getDockedLocation() == ToolbarLocation.EAST) {
  				location.x = toolbarLocation.x - width;
  			}
  
  			SwingUtilities.convertPointFromScreen(location, getParent());
  
  			setLocation(location);
  			setSize(size);
  		}
  		else {
  			int width = toolbarSize.width;
  			int height = (int) (root.getHeight() / 4.0);
  
  			if (configured) {
  				height = getHeight() + widthDifference;
  			}
  
  			height = Math.max(100, height);
  			height = Math.min(height, getParent().getHeight() - 100);
  
  			Point location = new Point(toolbarLocation.x, toolbarLocation.y - height);
  			Dimension size = new Dimension(width, height);
  
  			SwingUtilities.convertPointFromScreen(location, getParent());
  
  			setLocation(location);
  			setSize(size);
  		}
  
  		revalidate();
  		repaint();
  	}
  
  	@Override
  	public void componentResized(ComponentEvent e) {
  		// component has resized, update the location and size of the auto hide panel
  		if (e.getComponent() == root) {
  			setLocationAndSize(0);
  		}
  	}
  
  	@Override
  	public void componentMoved(ComponentEvent e) {
  	}
  
  	@Override
  	public void componentShown(ComponentEvent e) {
  
  	}
  
  	@Override
  	public void componentHidden(ComponentEvent e) {
  	}
  
  	@Override
  	public void mouseDragged(MouseEvent e) {
  		// dragging the divider, update the size and location of the auto hide panel
  		if (toolbar.getDockedLocation() == ToolbarLocation.SOUTH) {
  			setLocationAndSize(-e.getY());
  		}
  		else if (toolbar.getDockedLocation() == ToolbarLocation.WEST) {
  			setLocationAndSize(e.getX());
  		}
  		else {
  			setLocationAndSize(-e.getX());
  		}
  	}
  
  	@Override
  	public void mouseMoved(MouseEvent e) {
  	}
  }
  