| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2007 IBM Corporation and others. |
| // 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.eclipse.org/legal/epl-v10.html |
| // |
| // Contributors: |
| // IBM Corporation - initial implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.richtext.actions; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| |
| import org.eclipse.epf.richtext.IRichText; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.ActionContributionItem; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.action.IContributionItem; |
| import org.eclipse.jface.action.IMenuCreator; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.ToolItem; |
| |
| /** |
| * The abstract implementation of a rich text action. |
| * |
| * @author Kelvin Low |
| * @author Jeff Hardy |
| * @since 1.0 |
| */ |
| public abstract class RichTextAction extends Action { |
| |
| protected IRichText richText; |
| |
| protected ToolItem toolItem; |
| |
| protected Collection<IAction> fMenuActions = new LinkedHashSet<IAction>(); |
| |
| protected IMenuCreator menuCreator = new IMenuCreator() { |
| |
| private MenuManager dropDownMenuMgr; |
| |
| /** |
| * Creates the menu manager for the drop-down. |
| */ |
| private void createDropDownMenuMgr() { |
| if (dropDownMenuMgr == null) { |
| dropDownMenuMgr = new MenuManager(); |
| for (Iterator<IAction> iter = getMenuActions().iterator();iter.hasNext();) { |
| IAction item = iter.next(); |
| dropDownMenuMgr.add(item); |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.action.IMenuCreator#getMenu(org.eclipse.swt.widgets.Control) |
| */ |
| public Menu getMenu(Control parent) { |
| createDropDownMenuMgr(); |
| return dropDownMenuMgr.createContextMenu(parent); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.action.IMenuCreator#getMenu(org.eclipse.swt.widgets.Menu) |
| */ |
| public Menu getMenu(Menu parent) { |
| createDropDownMenuMgr(); |
| Menu menu = new Menu(parent); |
| IContributionItem[] items = dropDownMenuMgr.getItems(); |
| for (int i = 0; i < items.length; i++) { |
| IContributionItem item = items[i]; |
| IContributionItem newItem = item; |
| if (item instanceof ActionContributionItem) { |
| newItem = new ActionContributionItem( |
| ((ActionContributionItem) item).getAction()); |
| } |
| newItem.fill(menu, -1); |
| } |
| return menu; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.action.IMenuCreator#dispose() |
| */ |
| public void dispose() { |
| if (dropDownMenuMgr != null) { |
| dropDownMenuMgr.dispose(); |
| dropDownMenuMgr = null; |
| } |
| } |
| }; |
| |
| /** |
| * Creates a new instance. |
| * |
| * @param richText |
| * a rich text control |
| */ |
| public RichTextAction(IRichText richText, int style) { |
| super(null, style); |
| this.richText = richText; |
| } |
| |
| /** |
| * Returns <code>true</code> if this action should be disabled when the |
| * rich text editor is in readonly mode. |
| */ |
| public boolean disableInReadOnlyMode() { |
| return true; |
| } |
| |
| /** |
| * Returns <code>true</code> if this action should be disabled when the |
| * rich text editor is in source edit mode. |
| */ |
| public boolean disableInSourceMode() { |
| return true; |
| } |
| |
| public void setToolItem(ToolItem toolItem) { |
| this.toolItem = toolItem; |
| } |
| |
| @Override |
| public void run() { |
| execute(richText); |
| } |
| |
| @Override |
| public String getId() { |
| return getClass().getCanonicalName(); |
| } |
| |
| public Collection<IAction> getMenuActions() { |
| return fMenuActions; |
| } |
| |
| public void addActionToMenu(IAction action) { |
| fMenuActions.add(action); |
| } |
| |
| public abstract void execute(IRichText richText); |
| } |