com.buglabs.dragonfly.ui.editors.ProgramEditorContributor.java Source code

Introduction

Here is the source code for com.buglabs.dragonfly.ui.editors.ProgramEditorContributor.java

Source

/*******************************************************************************
 * Copyright (c) 2006, 2007 Bug Labs, Inc..
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.buglabs.net/legal/epl_license.html
 *******************************************************************************/
package com.buglabs.dragonfly.ui.editors;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.ActionFactory;
import org.eclipse.ui.ide.IDE;
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 ProgramEditorContributor extends MultiPageEditorActionBarContributor {
    private IEditorPart activeEditorPart;

    private Action sampleAction;

    /**
     * Creates a multi-page contributor.
     */
    public ProgramEditorContributor() {
        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));
    }

    /*
     * (non-JavaDoc) Method declared in
     * AbstractMultiPageEditorActionBarContributor.
     */

    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, Messages.getString("ProgramEditorContributor.0"), //$NON-NLS-1$
                        Messages.getString("ProgramEditorContributor.1")); //$NON-NLS-1$
            }
        };
        sampleAction.setText(Messages.getString("ProgramEditorContributor.2")); //$NON-NLS-1$
        sampleAction.setToolTipText(Messages.getString("ProgramEditorContributor.3")); //$NON-NLS-1$
        sampleAction.setImageDescriptor(
                PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(IDE.SharedImages.IMG_OBJS_TASK_TSK));
    }

    public void contributeToMenu(IMenuManager manager) {
        IMenuManager menu = new MenuManager(Messages.getString("ProgramEditorContributor.4")); //$NON-NLS-1$
        manager.prependToGroup(IWorkbenchActionConstants.MB_ADDITIONS, menu);
        menu.add(sampleAction);
    }

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