IvyModuleDescriptorEditorContributor.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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 org.apache.ivyde.internal.eclipse.ui.editors;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.actions.ActionFactory;
import org.eclipse.ui.ide.IDEActionFactory;
import org.eclipse.ui.part.MultiPageEditorActionBarContributor;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.ITextEditorActionConstants;

/**
 * Manages the installation/deinstallation of global actions for multi-page editors. Responsible for
 * the redirection of global actions to the active editor. Multi-page contributor replaces the
 * contributors for the individual editors in the multi-page editor.
 */
public class IvyModuleDescriptorEditorContributor extends MultiPageEditorActionBarContributor {
    private IEditorPart activeEditorPart;

    // private Action sampleAction;
    /**
     * Creates a multi-page contributor.
     */
    public IvyModuleDescriptorEditorContributor() {
        super();
        createActions();
    }

    /**
     * Returns the action registed with the given text editor.
     * 
     * @return IAction or null if editor is null.
     */
    protected IAction getAction(ITextEditor editor, String actionID) {
        return (editor == null ? null : editor.getAction(actionID));
    }

    public void setActivePage(IEditorPart part) {
        if (activeEditorPart == part) {
            return;
        }

        activeEditorPart = part;

        IActionBars actionBars = getActionBars();
        if (actionBars != null) {

            ITextEditor editor = (part instanceof ITextEditor) ? (ITextEditor) part : null;

            actionBars.setGlobalActionHandler(ActionFactory.DELETE.getId(), getAction(editor,
                ITextEditorActionConstants.DELETE));
            actionBars.setGlobalActionHandler(ActionFactory.UNDO.getId(), getAction(editor,
                ITextEditorActionConstants.UNDO));
            actionBars.setGlobalActionHandler(ActionFactory.REDO.getId(), getAction(editor,
                ITextEditorActionConstants.REDO));
            actionBars.setGlobalActionHandler(ActionFactory.CUT.getId(), getAction(editor,
                ITextEditorActionConstants.CUT));
            actionBars.setGlobalActionHandler(ActionFactory.COPY.getId(), getAction(editor,
                ITextEditorActionConstants.COPY));
            actionBars.setGlobalActionHandler(ActionFactory.PASTE.getId(), getAction(editor,
                ITextEditorActionConstants.PASTE));
            actionBars.setGlobalActionHandler(ActionFactory.SELECT_ALL.getId(), getAction(editor,
                ITextEditorActionConstants.SELECT_ALL));
            actionBars.setGlobalActionHandler(ActionFactory.FIND.getId(), getAction(editor,
                ITextEditorActionConstants.FIND));
            actionBars.setGlobalActionHandler(IDEActionFactory.BOOKMARK.getId(), getAction(editor,
                IDEActionFactory.BOOKMARK.getId()));
            actionBars.updateActionBars();
        }
    }

    private void createActions() {
        // sampleAction = new Action() {
        // public void run() {
        // MessageDialog.openInformation(null, "Ivy Plug-in", "Sample Action Executed");
        // }
        // };
        // sampleAction.setText("Sample Action");
        // sampleAction.setToolTipText("Sample Action tool tip");
        // sampleAction.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
        // getImageDescriptor(IDE.SharedImages.IMG_OBJS_TASK_TSK));
    }

    public void contributeToMenu(IMenuManager manager) {
        // IMenuManager menu = new MenuManager("Editor &Menu");
        // manager.prependToGroup(IWorkbenchActionConstants.MB_ADDITIONS, menu);
        // menu.add(sampleAction);
    }

    public void contributeToToolBar(IToolBarManager manager) {
        // manager.add(new Separator());
        // manager.add(sampleAction);
    }
}