/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2011 Oracle and/or its affiliates. All rights reserved.

 *

 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.

 * Other names may be trademarks of their respective owners.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 *

 * Contributor(s):

 *

 * Portions Copyrighted 2011 Sun Microsystems, Inc.

 */

package org.netbeans.modules.subversion.ui.commit;

import java.awt.Component;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.InputEvent;

import java.awt.event.KeyEvent;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import javax.swing.JMenuItem;

import javax.swing.JPopupMenu;

import javax.swing.KeyStroke;

import javax.swing.text.JTextComponent;

import org.openide.actions.CopyAction;

import org.openide.actions.CutAction;

import org.openide.actions.PasteAction;

import org.openide.util.actions.CallbackSystemAction;

import org.openide.util.actions.SystemAction;

/**

 * Mouse adapter for the commit message component.

 * 

 * @author Mario Schroeder

 */

public class CommitMessageMouseAdapter extends MouseAdapter {

    private CommitPopupBuilder popupBuilder;

    /**

     * Creates a new context popupMenu for a text component.

     * @param textComponent 

     */

    public CommitMessageMouseAdapter() {

        popupBuilder = new CommitPopupBuilder();

    }

    @Override

    public void mousePressed(MouseEvent e) {

        if (e.getModifiers() == InputEvent.BUTTON3_MASK) { 

            show(e.getComponent(), e.getX(), e.getY());

        }

    }

    /**

     * Shows the popup popupMenu if the invoker is a instance of JTextComponent.

     */

    private void show(Component invoker, int x, int y) {

        //to avoid class cast exception in action listener

        if (invoker instanceof JTextComponent) {

            JTextComponent textComponent = (JTextComponent)invoker;

            JPopupMenu popupMenu = popupBuilder.getPopup(textComponent);

            popupMenu.setInvoker(invoker);

            popupMenu.show(invoker, x, y);

        }

    }

}

        messageTextArea.addMouseListener(new CommitMessageMouseAdapter());

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2011 Oracle and/or its affiliates. All rights reserved.

 *

 * Oracle and Java are registered trademarks of Oracle and/or its affiliates.

 * Other names may be trademarks of their respective owners.

 *

 * The contents of this file are subject to the terms of either the GNU

 * General Public License Version 2 only ("GPL") or the Common

 * Development and Distribution License("CDDL") (collectively, the

 * "License"). You may not use this file except in compliance with the

 * License. You can obtain a copy of the License at

 * http://www.netbeans.org/cddl-gplv2.html

 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the

 * specific language governing permissions and limitations under the

 * License.  When distributing the software, include this License Header

 * Notice in each file and include the License file at

 * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the GPL Version 2 section of the License file that

 * accompanied this code. If applicable, add the following below the

 * License Header, with the fields enclosed by brackets [] replaced by

 * your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * If you wish your version of this file to be governed by only the CDDL

 * or only the GPL Version 2, indicate your decision by adding

 * "[Contributor] elects to include this software in this distribution

 * under the [CDDL or GPL Version 2] license." If you do not indicate a

 * single choice of license, a recipient has the option to distribute

 * your version of this file under either the CDDL, the GPL Version 2 or

 * to extend the choice of license to its licensees as provided above.

 * However, if you add GPL Version 2 code and therefore, elected the GPL

 * Version 2 license, then the option applies only if the new code is

 * made subject to such option by the copyright holder.

 *

 * Contributor(s):

 *

 * Portions Copyrighted 2011 Sun Microsystems, Inc.

 */

package org.netbeans.modules.subversion.ui.commit;

import java.awt.Toolkit;

import java.awt.datatransfer.DataFlavor;

import java.awt.event.KeyEvent;

import javax.swing.Action;

import javax.swing.ActionMap;

import javax.swing.JMenuItem;

import javax.swing.JPopupMenu;

import javax.swing.KeyStroke;

import javax.swing.text.DefaultEditorKit;

import javax.swing.text.JTextComponent;

import org.openide.awt.Mnemonics;

import org.openide.util.NbBundle;

/**

 * Builder for the popup menu.

 * 

 * @author Mario Schroeder

 */

class CommitPopupBuilder {

    private JPopupMenu popupPresenter;

    private Action cutAction;

    private Action copyAction;

    private Action pasteAction;

    private Action selectAllAction;

    /**

     * Returns the popup menu.

     * @param component the text component which calls the method

     * @return a poup menu

     */

    JPopupMenu getPopup(JTextComponent component) {

        if(popupPresenter == null){

            build(component.getActionMap());

        }

        boolean textSelected = component.getSelectedText() != null;       

        cutAction.setEnabled(textSelected);

        copyAction.setEnabled(textSelected);

        boolean hasClipboardText = Toolkit.getDefaultToolkit().getSystemClipboard()

            .isDataFlavorAvailable(DataFlavor.stringFlavor);

        pasteAction.setEnabled(hasClipboardText);

        return popupPresenter;

    }

    /**

     * This method builds the popup menu.

     */

    private void build(ActionMap actionMap) {

        popupPresenter = new JPopupMenu();

        cutAction = actionMap.get(DefaultEditorKit.cutAction);

        copyAction = actionMap.get(DefaultEditorKit.copyAction);

        pasteAction = actionMap.get(DefaultEditorKit.pasteAction);

        selectAllAction = actionMap.get(DefaultEditorKit.selectAllAction);

        popupPresenter.add(createMenuItem("CTL_MenuItem_Cut", KeyEvent.VK_X, cutAction));

        popupPresenter.add(createMenuItem("CTL_MenuItem_Copy", KeyEvent.VK_C, copyAction));

        popupPresenter.add(createMenuItem("CTL_MenuItem_Paste", KeyEvent.VK_V, pasteAction));

        popupPresenter.addSeparator();

        popupPresenter.add(createMenuItem("CTL_MenuItem_SelectAll", KeyEvent.VK_A, selectAllAction));

    }

    /**

     * Creates a new menu item.

     * @param msgKey key for the message within resource bundle.

     * @param key key for the accelerator

     * @param action the underlying action for the menuitem

     * @return a new menu item

     */

    private JMenuItem createMenuItem(String msgKey, int key, Action action) {

        String msg = NbBundle.getMessage(getClass(), msgKey);

        JMenuItem item = new JMenuItem(action);        

        Mnemonics.setLocalizedText(item, msg);

        int keyMask = Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();

        item.setAccelerator(KeyStroke.getKeyStroke(key, keyMask, false));

        return item;

    }

}