| /******************************************************************************* |
| * Copyright (c) 2008 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 API and implementation |
| *******************************************************************************/ |
| package org.eclipse.pde.internal.ua.ui.editor.ctxhelp.details; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.pde.internal.ua.core.ctxhelp.text.CtxHelpObject; |
| |
| /** |
| * Abstract action that allows new nodes to be added to the context help |
| * model. |
| * @since 3.4 |
| */ |
| public abstract class CtxHelpAbstractAddAction extends Action { |
| |
| protected CtxHelpObject fParentObject; |
| |
| //The target object to insert after |
| protected CtxHelpObject fTargetObject; |
| |
| /** |
| * Set the parent object that this action will add |
| * objects to. |
| * |
| * @param parent The new parent object for this action |
| */ |
| public void setParentObject(CtxHelpObject parent) { |
| fParentObject = parent; |
| } |
| |
| /** |
| * Set the target object that this action will add |
| * objects after. |
| * |
| * @param target The new target object for this action |
| */ |
| public void setTargetObject(CtxHelpObject target) { |
| fTargetObject = target; |
| } |
| |
| /** |
| * Returns the names of the children of the parent object. Used |
| * to find a new name that doesn't conflict. Will return an empty |
| * array if the parent is not set. |
| * @return children names or an empty array |
| */ |
| public String[] getChildNames() { |
| if (fParentObject != null) { |
| int numChildren = fParentObject.getChildren().size(); |
| CtxHelpObject[] ctxHelpObjects = (CtxHelpObject[]) fParentObject.getChildren().toArray(new CtxHelpObject[numChildren]); |
| |
| String[] ctxHelpObjectNames = new String[ctxHelpObjects.length]; |
| |
| for (int i = 0; i < numChildren; ++i) { |
| ctxHelpObjectNames[i] = ctxHelpObjects[i].getName(); |
| } |
| return ctxHelpObjectNames; |
| } |
| return new String[0]; |
| } |
| |
| /** |
| * Add the child to the parent object. If a target object is specified, |
| * add the child as a sibling after that object. |
| * |
| * @param child The object to add to the parent |
| */ |
| protected void addChild(CtxHelpObject child) { |
| if (fTargetObject == null) { |
| fParentObject.addChild(child); |
| } else { |
| fParentObject.addChild(child, fTargetObject, false); |
| } |
| } |
| } |