| /* |
| * Copyright 2000-2012 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.icons.AllIcons; |
| import com.intellij.openapi.util.IconLoader; |
| import com.intellij.util.ui.UIUtil; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.InputEvent; |
| import java.awt.event.MouseAdapter; |
| import java.awt.event.MouseEvent; |
| |
| /** |
| * @author evgeny zakrevsky |
| */ |
| public class HideableDecorator { |
| |
| private final JPanel myPanel; |
| |
| private final TitledSeparator myTitledSeparator; |
| private final boolean myAdjustWindow; |
| |
| private boolean myOn; |
| private JComponent myContent; |
| private Dimension myPreviousContentSize; |
| |
| public HideableDecorator(JPanel panel, String title, boolean adjustWindow) { |
| myPanel = panel; |
| myAdjustWindow = adjustWindow; |
| myTitledSeparator = new TitledSeparator(title, null) { |
| @Override |
| public void addNotify() { |
| super.addNotify(); |
| registerMnemonic(); |
| } |
| }; |
| myPanel.add(myTitledSeparator, BorderLayout.NORTH); |
| myTitledSeparator.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR)); |
| updateIcon(); |
| myTitledSeparator.addMouseListener(new MouseAdapter() { |
| @Override |
| public void mouseReleased(MouseEvent e) { |
| if (myOn) { |
| off(); |
| } |
| else { |
| on(); |
| } |
| } |
| }); |
| } |
| |
| private void updateIcon() { |
| final Icon icon = myOn ? AllIcons.General.SplitDown : AllIcons.General.SplitRight; |
| myTitledSeparator.getLabel().setIcon(icon); |
| myTitledSeparator.getLabel().setDisabledIcon(IconLoader.getTransparentIcon(icon, 0.5f)); |
| } |
| |
| public void setContentComponent(@Nullable JComponent content) { |
| if (content == null && myContent != null) { |
| myPanel.remove(myContent); |
| } |
| myContent = content; |
| if (myContent != null) { |
| myContent.setVisible(myOn); |
| myPanel.add(myContent, BorderLayout.CENTER); |
| } |
| } |
| |
| public void setOn(boolean on) { |
| myOn = on; |
| if (myOn) { |
| on(); |
| } |
| else { |
| off(); |
| } |
| } |
| |
| public boolean isExpanded() { |
| return myOn; |
| } |
| |
| public void setTitle(String title) { |
| myTitledSeparator.setText(title); |
| } |
| |
| public String getTitle() { |
| return myTitledSeparator.getText(); |
| } |
| |
| protected void on() { |
| myOn = true; |
| updateIcon(); |
| myTitledSeparator.getLabel().setIconTextGap(5); |
| if (myContent != null) { |
| myContent.setVisible(true); |
| } |
| adjustWindow(); |
| myPanel.invalidate(); |
| myPanel.repaint(); |
| } |
| |
| protected void off() { |
| myOn = false; |
| updateIcon(); |
| if (myContent != null) { |
| myContent.setVisible(false); |
| myPreviousContentSize = myContent.getSize(); |
| } |
| adjustWindow(); |
| myPanel.invalidate(); |
| myPanel.repaint(); |
| } |
| |
| private void adjustWindow() { |
| if (!myAdjustWindow) return; |
| final Window window = SwingUtilities.getWindowAncestor(myPanel); |
| if (window == null) return; |
| final Dimension size = window.getSize(); |
| final Dimension contentSize = myPreviousContentSize != null && myPreviousContentSize.width > 0 && myPreviousContentSize.height > 0 |
| ? myPreviousContentSize |
| : myContent.getPreferredSize(); |
| final Dimension newSize; |
| if (myOn) { |
| newSize = new Dimension(Math.max(size.width, myContent.getSize().width), size.height + contentSize.height); |
| } |
| else { |
| newSize = new Dimension(size.width, size.height - contentSize.height); |
| } |
| if (!newSize.equals(size)) { |
| SwingUtilities.invokeLater(new Runnable() { |
| public void run() { |
| if (window.isShowing()) { |
| window.setSize(newSize); |
| } |
| } |
| }); |
| } |
| } |
| |
| public void setEnabled(boolean enabled) { |
| myTitledSeparator.setEnabled(enabled); |
| myContent.setEnabled(enabled); |
| } |
| |
| private void registerMnemonic() { |
| final int mnemonicIndex = UIUtil.getDisplayMnemonicIndex(getTitle()); |
| if (mnemonicIndex != -1) { |
| myPanel.getActionMap().put("Collapse/Expand on mnemonic", new AbstractAction() { |
| @Override |
| public void actionPerformed(ActionEvent e) { |
| if (myOn) { |
| off(); |
| } |
| else { |
| on(); |
| } |
| } |
| }); |
| final Character mnemonicCharacter = UIUtil.removeMnemonic(getTitle()).toUpperCase().charAt(mnemonicIndex); |
| myPanel.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW) |
| .put(KeyStroke.getKeyStroke(mnemonicCharacter, InputEvent.ALT_MASK, false), "Collapse/Expand on mnemonic"); |
| } |
| } |
| } |