org.noos.xing.mydoggy.plaf.ui.drag.DetachedContentDropTarget Maven / Gradle / Ivy
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package org.noos.xing.mydoggy.plaf.ui.drag;
import org.noos.xing.mydoggy.AggregationPosition;
import org.noos.xing.mydoggy.ToolWindow;
import org.noos.xing.mydoggy.ToolWindowAnchor;
import org.noos.xing.mydoggy.ToolWindowTab;
import org.noos.xing.mydoggy.plaf.MyDoggyToolWindowManager;
import org.noos.xing.mydoggy.plaf.ui.cmp.FloatingWindow;
import org.noos.xing.mydoggy.plaf.ui.cmp.border.LineBorder;
import org.noos.xing.mydoggy.plaf.ui.util.SwingUtil;
import javax.swing.*;
import javax.swing.border.Border;
import java.awt.*;
import java.awt.datatransfer.Transferable;
import java.awt.dnd.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
/**
* @author Angelo De Caro ([email protected])
*/
public class DetachedContentDropTarget extends DropTarget {
public DetachedContentDropTarget(FloatingWindow floatingWindow,
JComponent component,
MyDoggyToolWindowManager toolWindowManager) throws HeadlessException {
super(floatingWindow.getWindow(),
DnDConstants.ACTION_MOVE,
new ToolWindowFloatingDropTargetListener(floatingWindow, component, toolWindowManager));
}
public static class ToolWindowFloatingDropTargetListener implements DropTargetListener, PropertyChangeListener {
protected MyDoggyToolWindowManager toolWindowManager;
protected FloatingWindow floatingWindow;
protected ToolWindowAnchor anchor;
protected int anchorIndex;
protected JComponent component;
protected ToolWindow onToolWindow;
protected ToolWindowAnchor dragAnchor;
protected Border oldBorder;
protected Border dragBorder = new LineBorder(Color.BLUE, 3);
public ToolWindowFloatingDropTargetListener(FloatingWindow floatingWindow, JComponent component, MyDoggyToolWindowManager toolWindowManager) {
this.floatingWindow = floatingWindow;
this.component = component;
this.toolWindowManager = toolWindowManager;
this.anchor = ToolWindowAnchor.BOTTOM;
this.component.addPropertyChangeListener("dragAnchor", this);
this.component.addPropertyChangeListener("dragToolWindow", this);
}
public void propertyChange(PropertyChangeEvent evt) {
String propertyName = evt.getPropertyName();
if ("dragAnchor".equals(propertyName)) {
this.dragAnchor = (ToolWindowAnchor) evt.getNewValue();
} else {
this.onToolWindow = null;
}
}
public void dragEnter(DropTargetDragEvent dtde) {
if (checkEvent(dtde)) {
onToolWindow = null;
dtde.acceptDrag(dtde.getDropAction());
if (component.getBorder() != dragBorder)
oldBorder = component.getBorder();
// component.setBorder(dragBorder);
putProperty("dragStart");
} else
dtde.rejectDrag();
}
public void dragOver(DropTargetDragEvent dtde) {
if (!checkEvent(dtde))
return;
Point location = dtde.getLocation();
component.putClientProperty("dragOver", location);
Component deepestCmp = SwingUtilities.getDeepestComponentAt(component, location.x, location.y);
if (deepestCmp != null) {
JComponent toolWindowContainer = (JComponent) SwingUtil.getParent(deepestCmp, "toolWindow.container.");
if (toolWindowContainer != null) {
onToolWindow = (ToolWindow) toolWindowContainer.getClientProperty(ToolWindow.class);
anchorIndex = onToolWindow.getAnchorIndex();
}
} else {
onToolWindow = null;
anchorIndex = -1;
}
}
public void dropActionChanged(DropTargetDragEvent dtde) {
if (checkEvent(dtde))
dragEnter(dtde);
}
public void dragExit(DropTargetEvent dte) {
// component.setBorder(oldBorder);
onToolWindow = null;
oldBorder = null;
putProperty("dragExit");
}
public void drop(DropTargetDropEvent dtde) {
try {
if (dtde.getDropAction() == DnDConstants.ACTION_MOVE) {
if (dtde.getTransferable().isDataFlavorSupported(MyDoggyTransferable.TOOL_WINDOW_ID_DF)) {
try {
Transferable transferable = dtde.getTransferable();
ToolWindow toolWindow = toolWindowManager.getToolWindow(
dtde.getTransferable().getTransferData(MyDoggyTransferable.TOOL_WINDOW_ID_DF)
);
if (toolWindow != null) {
// Move tool to another anchor
// Chech if it was a tab
if (transferable.isDataFlavorSupported(MyDoggyTransferable.TOOL_WINDOW_TAB_ID_DF)) {
// Remove from tab
ToolWindowTab tab = (ToolWindowTab) toolWindowManager.lookupDockable(
transferable.getTransferData(MyDoggyTransferable.TOOL_WINDOW_TAB_ID_DF)
);
tab.getOwner().removeToolWindowTab(tab);
toolWindow = (ToolWindow) tab.getDockableDelegator();
}
if (toolWindow == onToolWindow)
return;
boolean oldAggregateMode = toolWindow.isAggregateMode();
toolWindow.setAggregateMode(true);
try {
if (dragAnchor == null && onToolWindow != null && toolWindow != onToolWindow) {
if (!SwingUtil.getBoolean("drag.toolwindow.asTab", true)) {
// Choose drag anchor ...
switch (onToolWindow.getAnchor()) {
case LEFT:
case RIGHT:
dragAnchor = ToolWindowAnchor.TOP;
break;
case TOP:
case BOTTOM:
dragAnchor = ToolWindowAnchor.LEFT;
break;
}
}
}
if (dragAnchor != null) {
switch (dragAnchor) {
case LEFT:
if (onToolWindow != null) {
toolWindow.aggregate(onToolWindow, AggregationPosition.LEFT);
} else {
if (checkCondition(toolWindow)) {
toolWindow.aggregateByReference(floatingWindow.getDockable(), AggregationPosition.LEFT);
}
}
break;
case RIGHT:
if (onToolWindow != null) {
toolWindow.aggregate(onToolWindow, AggregationPosition.RIGHT);
} else {
if (checkCondition(toolWindow)) {
toolWindow.aggregateByReference(floatingWindow.getDockable(), AggregationPosition.RIGHT);
}
}
break;
case BOTTOM:
if (onToolWindow != null) {
toolWindow.aggregate(onToolWindow, AggregationPosition.BOTTOM);
} else {
if (checkCondition(toolWindow)) {
toolWindow.aggregateByReference(floatingWindow.getDockable(), AggregationPosition.BOTTOM);
}
}
break;
case TOP:
if (onToolWindow != null) {
toolWindow.aggregate(onToolWindow, AggregationPosition.TOP);
} else {
if (checkCondition(toolWindow)) {
toolWindow.aggregateByReference(floatingWindow.getDockable(), AggregationPosition.TOP);
}
}
break;
}
toolWindow.setActive(true);
} else {
if (onToolWindow != null && toolWindow != onToolWindow) {
onToolWindow.addToolWindowTab(toolWindow).setSelected(true);
onToolWindow.setActive(true);
} else {
toolWindow.aggregateByReference(floatingWindow.getDockable(), AggregationPosition.DEFAULT);
toolWindow.setActive(true);
}
}
} finally {
toolWindow.setAggregateMode(oldAggregateMode);
}
dtde.dropComplete(true);
} else
dtde.dropComplete(false);
} catch (Exception e) {
e.printStackTrace();
dtde.dropComplete(false);
}
} else
dtde.rejectDrop();
} else
dtde.rejectDrop();
} finally {
putProperty("dragEnd");
// Restore component
dragExit(dtde);
}
}
protected void putProperty(String name) {
Boolean value = (Boolean) component.getClientProperty(name);
if (value != null)
component.putClientProperty(name, !value);
else
component.putClientProperty(name, false);
}
protected boolean checkEvent(DropTargetDragEvent dtde) {
Transferable transferable = dtde.getTransferable();
try {
if (transferable.isDataFlavorSupported(MyDoggyTransferable.TOOL_WINDOW_MANAGER)) {
if (transferable.getTransferData(MyDoggyTransferable.TOOL_WINDOW_MANAGER).equals(System.identityHashCode(toolWindowManager))) {
if (dtde.getDropAction() == DnDConstants.ACTION_MOVE &&
(dtde.getTransferable().isDataFlavorSupported(MyDoggyTransferable.TOOL_WINDOW_ID_DF) ||
dtde.getTransferable().isDataFlavorSupported(MyDoggyTransferable.TOOL_WINDOW_TAB_ID_DF) ||
dtde.getTransferable().isDataFlavorSupported(MyDoggyTransferable.CONTENT_ID_DF))
)
return true;
}
}
} catch (Exception ignoreIt) {
}
return false;
}
protected boolean checkCondition(ToolWindow toolWindow) {
if (toolWindow.getAnchor() != anchor)
return true;
int visibleNum = 0;
boolean flag = false;
for (ToolWindow tool : toolWindowManager.getToolsByAnchor(anchor)) {
if (tool.isVisible())
visibleNum++;
if (tool == toolWindow)
flag = true;
}
return (!flag || visibleNum != 1);
}
}
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