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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.xdebugger.impl.evaluate.quick.common;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.popup.JBPopup;
import com.intellij.openapi.ui.popup.JBPopupFactory;
import com.intellij.openapi.util.Computable;
import com.intellij.openapi.util.Disposer;
import com.intellij.ui.ScreenUtil;
import com.intellij.ui.awt.RelativePoint;
import com.intellij.ui.treeStructure.Tree;
import com.intellij.util.ui.tree.TreeModelAdapter;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import javax.swing.event.TreeModelEvent;
import javax.swing.event.TreeModelListener;
import javax.swing.tree.TreePath;
import java.awt.*;
/**
* @author nik
*/
class DebuggerTreeWithHistoryPopup<D> extends DebuggerTreeWithHistoryContainer<D> {
@NonNls private final static String DIMENSION_SERVICE_KEY = "DebuggerActiveHint";
private JBPopup myPopup;
private final Editor myEditor;
private final Point myPoint;
private DebuggerTreeWithHistoryPopup(@NotNull D initialItem, @NotNull DebuggerTreeCreator<D> creator, @NotNull Editor editor, @NotNull Point point, @NotNull Project project) {
super(initialItem, creator, project);
myEditor = editor;
myPoint = point;
}
public static <D> void showTreePopup(@NotNull DebuggerTreeCreator<D> creator, @NotNull D initialItem, @NotNull Editor editor,
@NotNull Point point, @NotNull Project project) {
new DebuggerTreeWithHistoryPopup<D>(initialItem, creator, editor, point, project).updateTree(initialItem);
}
private TreeModelListener createTreeListener(final Tree tree) {
return new TreeModelAdapter() {
@Override
public void treeStructureChanged(TreeModelEvent e) {
resize(e.getTreePath(), tree);
}
};
}
@Override
protected void updateContainer(final Tree tree, String title) {
if (myPopup != null) {
myPopup.cancel();
}
tree.getModel().addTreeModelListener(createTreeListener(tree));
myPopup = JBPopupFactory.getInstance().createComponentPopupBuilder(createMainPanel(tree), tree)
.setRequestFocus(true)
.setTitle(title)
.setResizable(true)
.setMovable(true)
.setDimensionServiceKey(myProject, DIMENSION_SERVICE_KEY, false)
.setMayBeParent(true)
.setCancelCallback(new Computable<Boolean>() {
@Override
public Boolean compute() {
Window parent = SwingUtilities.getWindowAncestor(tree);
if (parent != null) {
for (Window child : parent.getOwnedWindows()) {
if (child.isShowing()) {
return false;
}
}
}
return true;
}
})
.createPopup();
if (tree instanceof Disposable) {
Disposer.register(myPopup, (Disposable)tree);
}
//Editor may be disposed before later invokator process this action
if (myEditor.getComponent().getRootPane() == null) {
myPopup.cancel();
return;
}
myPopup.show(new RelativePoint(myEditor.getContentComponent(), myPoint));
updateInitialBounds(tree);
}
private void resize(final TreePath path, JTree tree) {
if (myPopup == null || !myPopup.isVisible()) return;
final Window popupWindow = SwingUtilities.windowForComponent(myPopup.getContent());
if (popupWindow == null) return;
final Dimension size = tree.getPreferredSize();
final Point location = popupWindow.getLocation();
final Rectangle windowBounds = popupWindow.getBounds();
final Rectangle bounds = tree.getPathBounds(path);
if (bounds == null) return;
final Rectangle targetBounds = new Rectangle(location.x,
location.y,
Math.max(Math.max(size.width, bounds.width) + 20, windowBounds.width),
Math.max(tree.getRowCount() * bounds.height + 55, windowBounds.height));
ScreenUtil.cropRectangleToFitTheScreen(targetBounds);
popupWindow.setBounds(targetBounds);
popupWindow.validate();
popupWindow.repaint();
}
private void updateInitialBounds(final Tree tree) {
final Window popupWindow = SwingUtilities.windowForComponent(myPopup.getContent());
final Dimension size = tree.getPreferredSize();
final Point location = popupWindow.getLocation();
final Rectangle windowBounds = popupWindow.getBounds();
final Rectangle targetBounds = new Rectangle(location.x,
location.y,
Math.max(size.width + 250, windowBounds.width),
Math.max(size.height, windowBounds.height));
ScreenUtil.cropRectangleToFitTheScreen(targetBounds);
popupWindow.setBounds(targetBounds);
popupWindow.validate();
popupWindow.repaint();
}
}
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