/*
* Copyright 2000-2006 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 jetbrains.communicator.idea.actions;
import com.intellij.icons.AllIcons;
import com.intellij.ide.DataManager;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.project.Project;
import jetbrains.communicator.util.icons.CompositeIcon;
import javax.swing.*;
import javax.swing.event.PopupMenuEvent;
import javax.swing.event.PopupMenuListener;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
/**
* @author Kir
*/
public class DropDownButton extends JButton {
private boolean myForcePressed;
private final ActionGroup myActionGroup;
public DropDownButton(ActionGroup actionGroup, Icon buttonIcon) {
if (actionGroup == null) {
actionGroup = new DefaultActionGroup();
}
myActionGroup = actionGroup;
CompositeIcon icon = new CompositeIcon();
icon.addIcon(buttonIcon);
if (hasSeveralActions()) {
icon.addIcon(AllIcons.General.ComboArrow);
setModel(new MyButtonModel());
}
setIcon(icon);
setMargin(new Insets(0, 0, 0, 0));
setHorizontalAlignment(JButton.LEFT);
setFocusable(false);
addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (hasSeveralActions()) {
showPopup();
}
else {
AnAction[] children = myActionGroup.getChildren(null);
if (children.length > 0 && canExecute(children[0])) {
children[0].actionPerformed(null);
}
}
}
}
);
}
private boolean canExecute(AnAction action1) {
Project project = CommonDataKeys.PROJECT.getData(DataManager.getInstance().getDataContext(this));
return
!(action1 instanceof BaseAction) ||
((BaseAction) action1).getCommand(BaseAction.getContainer(project)).isEnabled();
}
private boolean hasSeveralActions() {
return myActionGroup.getChildren(null).length > 1;
}
public void showPopup() {
ActionPopupMenu menu = ActionManager.getInstance().createActionPopupMenu("POPUP", myActionGroup);
JPopupMenu menuComponent = menu.getComponent();
menuComponent.addPopupMenuListener(
new PopupMenuListener() {
public void popupMenuWillBecomeVisible(PopupMenuEvent e) {}
public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
myForcePressed = false;
repaint();
}
public void popupMenuCanceled(PopupMenuEvent e) {}
}
);
repaint();
myForcePressed = true;
menuComponent.show(this, 0, getHeight());
}
public static JComponent wrap(final DropDownButton optionsButton) {
JPanel panel = new JPanel() {
public Dimension getPreferredSize() {
Dimension preferredSize = optionsButton.getPreferredSize();
preferredSize.height += 2;
return preferredSize;
}
public Dimension getMinimumSize() {
return getPreferredSize();
}
public void doLayout() {
super.doLayout();
optionsButton.setLocation(0, 2);
optionsButton.setSize(getWidth(), getHeight() - 4);
}
};
panel.setLayout(null);
panel.add(optionsButton);
return panel;
}
protected class MyButtonModel extends DefaultButtonModel {
public boolean isPressed() {
return myForcePressed || super.isPressed();
}
public boolean isArmed() {
return myForcePressed || super.isArmed();
}
}
}