content: /*
  Copyright (c) 2024 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.floating;
  
  import io.github.andrewauclair.moderndocking.Dockable;
  import io.github.andrewauclair.moderndocking.DockingRegion;
  import io.github.andrewauclair.moderndocking.api.DockingAPI;
  import io.github.andrewauclair.moderndocking.internal.DockableWrapper;
  import io.github.andrewauclair.moderndocking.internal.DockedTabbedPanel;
  import io.github.andrewauclair.moderndocking.internal.DockingComponentUtils;
  import io.github.andrewauclair.moderndocking.internal.DockingListeners;
  import io.github.andrewauclair.moderndocking.internal.FloatingFrame;
  import java.awt.Point;
  import java.awt.Window;
  import java.awt.dnd.DragGestureEvent;
  import java.util.ArrayList;
  import java.util.List;
  import javax.swing.JComponent;
  import javax.swing.JFrame;
  import javax.swing.SwingUtilities;
  
  /**
   * Listener for drag events on tab groups
   */
  public class DockedTabbedPanelFloatListener extends FloatListener {
      private final DockingAPI docking;
      /**
       * The tabbed panel we're listening to
       */
      protected final DockedTabbedPanel tabs;
  
      /**
       * Create a new instance, tied to the tabbed panel
       *
       * @param docking The docking instance this listener belongs to
       * @param tabs The tabbed panel to listen for drags on
       * @param dragComponent The drag component to add the drag listener to
       */
      public DockedTabbedPanelFloatListener(DockingAPI docking, DockedTabbedPanel tabs, JComponent dragComponent) {
          super(docking, tabs, dragComponent);
  
          this.docking = docking;
          this.tabs = tabs;
      }
  
      @Override
      protected boolean allowDrag(DragGestureEvent dragGestureEvent) {
          // if we're dragging from a tab then we need to use the normal drag event
          Point dragOrigin = new Point(dragGestureEvent.getDragOrigin());
          SwingUtilities.convertPointToScreen(dragOrigin, dragGestureEvent.getComponent());
  
          int targetTabIndex = tabs.getTargetTabIndex(dragOrigin);
  
          return targetTabIndex == -1;
      }
  
      @Override
      protected Window getOriginalWindow() {
          return SwingUtilities.windowForComponent(tabs);
      }
  
      @Override
      protected void undock() {
          List<DockableWrapper> wrappers = new ArrayList<>(tabs.getDockables());
  
          for (DockableWrapper wrapper : wrappers) {
              docking.undock(wrapper.getDockable());
          }
      }
  
      @Override
      protected JFrame createFloatingFrame() {
          Floating.setFloatingTabbedPane(true);
  
          List<DockableWrapper> wrappers = new ArrayList<>(tabs.getDockables());
  
          return new TempFloatingFrame(wrappers, tabs.getSelectedTabIndex(), tabs, tabs.getSize());
      }
  
      @Override
      protected boolean dropPanel(FloatUtilsFrame utilsFrame, JFrame floatingFrame, Point mousePosOnScreen) {
          if (!(floatingFrame instanceof TempFloatingFrame)) {
              return false;
          }
  
          Floating.setFloatingTabbedPane(false);
  
          TempFloatingFrame tempFloatingFrame = (TempFloatingFrame) floatingFrame;
  
          List<DockableWrapper> dockables = new ArrayList<>(tempFloatingFrame.getDockables());
          Dockable selectedDockable = dockables.get(tempFloatingFrame.getSelectedIndex()).getDockable();
  
          if (utilsFrame == null) {
              for (DockableWrapper dockable : dockables) {
                  // don't allow dockables that can't be closed or are limited to their window to move to another window
                  if (dockable.getDockable().isLimitedToWindow() || !dockable.getDockable().isClosable()) {
                      return false;
                  }
              }
  
              boolean first = true;
              Dockable firstDockable = null;
              FloatingFrame newFrame = null;
  
              for (DockableWrapper dockable : dockables) {
                  if (first) {
                      first = false;
                      newFrame = new FloatingFrame(docking, dockable.getDockable(), tempFloatingFrame);
                      firstDockable = dockable.getDockable();
                  }
                  else {
                      docking.dock(dockable.getDockable(), firstDockable, DockingRegion.CENTER);
                  }
              }
  
              if (selectedDockable != null) {
                  docking.bringToFront(selectedDockable);
              }
  
              if (newFrame != null) {
                  final FloatingFrame frame = newFrame;
  
                  SwingUtilities.invokeLater(() -> {
                      DockingListeners.fireNewFloatingFrameEvent(frame, frame.getRoot());
                  });
              }
  
              return true;
          }
  
  
          boolean first = true;
          Dockable firstDockable = null;
  
          Window targetWindow = DockingComponentUtils.findRootAtScreenPos(docking, mousePosOnScreen);
          Dockable dockableAtPos = DockingComponentUtils.findDockableAtScreenPos(mousePosOnScreen, targetWindow);
          DockingRegion region = dockableAtPos == null ? DockingRegion.CENTER : utilsFrame.getDockableRegion(dockableAtPos, null, mousePosOnScreen);
  
          if (utilsFrame.isOverDockableHandle()) {
              region = utilsFrame.dockableHandle();
          }
  
          for (DockableWrapper dockable : dockables) {
              // don't allow dockables that can't be closed or are limited to their window to move to another window
              if (targetWindow != originalWindow && (dockable.getDockable().isLimitedToWindow() || !dockable.getDockable().isClosable())) {
                  return false;
              }
  
              if (first) {
                  if (utilsFrame.isOverRootHandle()) {
                      docking.dock(dockable.getDockable(), targetWindow, utilsFrame.rootHandleRegion());
                  }
                  else if (dockableAtPos != null) {
                      docking.dock(dockable.getDockable(), dockableAtPos, region);
                  }
                  firstDockable = dockable.getDockable();
              }
              else {
                  docking.dock(dockable.getDockable(), firstDockable, DockingRegion.CENTER);
              }
              first = false;
          }
  
          if (selectedDockable != null) {
              docking.bringToFront(selectedDockable);
          }
  
          return true;
      }
  }