/*
* Copyright 2000-2007 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.ui;
import com.intellij.openapi.actionSystem.ActionGroup;
import com.intellij.openapi.actionSystem.ActionManager;
import com.intellij.openapi.actionSystem.ActionPlaces;
import com.intellij.openapi.actionSystem.ActionPopupMenu;
import com.intellij.openapi.application.ApplicationManager;
import org.jetbrains.annotations.NonNls;
import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.Arrays;
/**
* @author Eugene Belyaev
*/
public abstract class PopupHandler extends MouseAdapter {
public abstract void invokePopup(Component comp, int x, int y);
public void mouseClicked(MouseEvent e) {
if (e.isPopupTrigger()) {
invokePopup(e.getComponent(), e.getX(), e.getY());
e.consume();
}
}
public void mousePressed(MouseEvent e) {
if (e.isPopupTrigger()) {
invokePopup(e.getComponent(), e.getX(), e.getY());
e.consume();
}
}
public void mouseReleased(MouseEvent e) {
if (e.isPopupTrigger()) {
invokePopup(e.getComponent(), e.getX(), e.getY());
e.consume();
}
}
public static void installPopupHandler(JComponent component, @NonNls String groupId, String place) {
ActionGroup group = (ActionGroup)ActionManager.getInstance().getAction(groupId);
installPopupHandler(component, group, place, ActionManager.getInstance());
}
public static MouseListener installPopupHandler(JComponent component, final ActionGroup group, final String place, final ActionManager actionManager) {
if (ApplicationManager.getApplication() == null) return new MouseAdapter(){};
PopupHandler popupHandler = new PopupHandler() {
public void invokePopup(Component comp, int x, int y) {
final ActionPopupMenu popupMenu = actionManager.createActionPopupMenu(place, group);
popupMenu.getComponent().show(comp, x, y);
}
};
component.addMouseListener(popupHandler);
return popupHandler;
}
public static MouseListener installFollowingSelectionTreePopup(final JTree tree, final ActionGroup group, final String place, final ActionManager actionManager){
if (ApplicationManager.getApplication() == null) return new MouseAdapter(){};
PopupHandler handler = new PopupHandler() {
public void invokePopup(Component comp, int x, int y) {
if (tree.getPathForLocation(x, y) != null && Arrays.binarySearch(tree.getSelectionRows(), tree.getRowForLocation(x, y)) > -1) { //do not show popup menu on rows other than selection
final ActionPopupMenu popupMenu = actionManager.createActionPopupMenu(place, group);
popupMenu.getComponent().show(comp, x, y);
}
}
};
tree.addMouseListener(handler);
return handler;
}
public static MouseListener installUnknownPopupHandler(JComponent component, ActionGroup group, ActionManager actionManager) {
return installPopupHandler(component, group, ActionPlaces.UNKNOWN, actionManager);
}
}