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.CustomTabbedPane;
  import io.github.andrewauclair.moderndocking.internal.DisplayPanel;
  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 io.github.andrewauclair.moderndocking.internal.InternalRootDockingPanel;
  import io.github.andrewauclair.moderndocking.settings.Settings;
  import java.awt.Point;
  import java.awt.Window;
  import java.awt.dnd.DragGestureEvent;
  import java.util.Collections;
  import javax.swing.JComponent;
  import javax.swing.JFrame;
  import javax.swing.SwingUtilities;
  
  /**
   * Floating listener used for floating individual panels
   */
  public class DisplayPanelFloatListener extends FloatListener {
      private final DockingAPI docking;
      private final DisplayPanel panel;
  
      /**
       * Create a new float listener for the specific display panel
       *
       * @param docking Docking instance
       * @param panel The display panel to listen to
       */
      public DisplayPanelFloatListener(DockingAPI docking, DisplayPanel panel) {
          super(docking, panel);
          this.docking = docking;
          this.panel = panel;
      }
  
      /**
       * Create a new float listener for the specific display panel
       *
       * @param docking Docking instance
       * @param panel The display panel to listen to
       * @param dragComponent The component to add the drag listener to
       */
      public DisplayPanelFloatListener(DockingAPI docking, DisplayPanel panel, JComponent dragComponent) {
          super(docking, panel, dragComponent);
          this.docking = docking;
          this.panel = panel;
      }
  
      @Override
      protected boolean allowDrag(DragGestureEvent dragGestureEvent) {
          return true;
      }
  
      /**
       * Get the dockable that this float listener is listening to for drag events
       *
       * @return Dockable this panel is tied to
       */
      public Dockable getDockable() {
          return panel.getWrapper().getDockable();
      }
  
      @Override
      protected Window getOriginalWindow() {
          return panel.getWrapper().getWindow();
      }
  
      @Override
      protected void undock() {
          docking.undock(panel.getWrapper().getDockable());
      }
  
      @Override
      protected JFrame createFloatingFrame() {
          if (Settings.alwaysDisplayTabsMode()) {
              return new TempFloatingFrame(Collections.singletonList(panel.getWrapper()), 0, panel, panel.getSize());
          }
          return new TempFloatingFrame(panel.getWrapper(), panel, panel.getSize());
      }
  
      @Override
      protected boolean dropPanel(FloatUtilsFrame utilsFrame, JFrame floatingFrame, Point mousePosOnScreen) {
          DockableWrapper floatingDockable = panel.getWrapper();
  
          if (utilsFrame != null) {
              Window targetWindow = DockingComponentUtils.findRootAtScreenPos(docking, mousePosOnScreen);
              InternalRootDockingPanel root = DockingComponentUtils.rootForWindow(docking, targetWindow);
  
              Dockable dockableAtPos = DockingComponentUtils.findDockableAtScreenPos(mousePosOnScreen, targetWindow);
  
              // don't allow dockables that can't be closed or are limited to their window to move to another window
              if (targetWindow != originalWindow && (floatingDockable.getDockable().isLimitedToWindow() || !floatingDockable.getDockable().isClosable())) {
                  return false;
              }
  
              if (utilsFrame.isOverRootHandle()) {
                  docking.dock(floatingDockable.getDockable(), targetWindow, utilsFrame.rootHandleRegion());
              }
              else if (utilsFrame.isOverDockableHandle()) {
                  docking.dock(floatingDockable.getDockable(), dockableAtPos, utilsFrame.dockableHandle());
              }
              else if (utilsFrame.isOverPinHandle()) {
                  docking.autoHideDockable(floatingDockable.getDockable(), utilsFrame.pinRegion(), targetWindow);
              }
              else if (utilsFrame.isOverTab()) {
                  CustomTabbedPane tabbedPane = DockingComponentUtils.findTabbedPaneAtPos(mousePosOnScreen, targetWindow);
  
                  DockedTabbedPanel dockingTabPanel = (DockedTabbedPanel) DockingComponentUtils.findDockingPanelAtScreenPos(mousePosOnScreen, targetWindow);
  
                  if (tabbedPane != null && dockingTabPanel != null) {
                      int tabIndex = tabbedPane.getTargetTabIndex(mousePosOnScreen, true);
  
                      if (tabIndex == -1) {
                          dockingTabPanel.dock(floatingDockable.getDockable(), DockingRegion.CENTER, 1.0);
                      }
                      else {
                          dockingTabPanel.dockAtIndex(floatingDockable.getDockable(), tabIndex);
                      }
                  }
                  else {
                      // failed to dock, restore the previous layout
                      return false;
                  }
              }
              else if (dockableAtPos != null) {
                  // docking to a dockable region
                  DockingRegion region = utilsFrame.getDockableRegion(dockableAtPos, panel.getWrapper().getDockable(), mousePosOnScreen);
  
                  docking.dock(floatingDockable.getDockable(), dockableAtPos, region);
              }
              else if (floatingDockable.getDockable().isFloatingAllowed()) {
                  // floating
                  FloatingFrame newFloatingFrame = new FloatingFrame(docking, floatingDockable.getDockable(), mousePosOnScreen, floatingDockable.getDisplayPanel().getSize(), 0);
                  docking.dock(floatingDockable.getDockable(), newFloatingFrame);
  
                  SwingUtilities.invokeLater(() -> {
                      docking.bringToFront(floatingDockable.getDockable());
  
                      DockingListeners.fireNewFloatingFrameEvent(newFloatingFrame, newFloatingFrame.getRoot(), floatingDockable.getDockable());
                  });
              }
              else {
                  // failed to dock, restore the previous layout
                  return false;
              }
          }
          else if (floatingDockable.getDockable().isFloatingAllowed()) {
              // floating
              FloatingFrame newFloatingFrame = new FloatingFrame(docking, floatingDockable.getDockable(), mousePosOnScreen, floatingDockable.getDisplayPanel().getSize(), 0);
              docking.dock(floatingDockable.getDockable(), newFloatingFrame);
  
              SwingUtilities.invokeLater(() -> {
                  docking.bringToFront(floatingDockable.getDockable());
  
                  DockingListeners.fireNewFloatingFrameEvent(newFloatingFrame, newFloatingFrame.getRoot(), floatingDockable.getDockable());
              });
          }
          else {
              // failed to dock, restore the previous layout
              return false;
          }
          return true;
      }
  }