| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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.wst.xsd.ui.internal.dnd; |
| |
| import java.util.Collection; |
| |
| import org.eclipse.wst.common.ui.dnd.DefaultDragAndDropCommand; |
| import org.eclipse.wst.xml.core.document.XMLModel; |
| import org.eclipse.wst.xml.core.internal.document.DocumentImpl; |
| import org.eclipse.wst.xsd.ui.internal.util.XSDDOMHelper; |
| import org.eclipse.xsd.util.XSDConstants; |
| import org.w3c.dom.Node; |
| |
| |
| public abstract class BaseDragNodesCommand extends DefaultDragAndDropCommand |
| { |
| /** |
| * Constructor for BaseDragNodesCommand. |
| * @param target |
| * @param location |
| * @param operations |
| * @param operation |
| * @param sources |
| */ |
| public BaseDragNodesCommand( |
| Object target, |
| float location, |
| int operations, |
| int operation, |
| Collection sources) |
| { |
| super(target, location, operations, operation, sources); |
| } |
| |
| protected boolean isDirectSchemaChild(Node node) |
| { |
| Node parent = node.getParentNode(); |
| if (XSDDOMHelper.inputEquals(parent, XSDConstants.SCHEMA_ELEMENT_TAG, false) && |
| parent.getParentNode().equals(parent.getOwnerDocument())) |
| { |
| return true; |
| } |
| return false; |
| } |
| |
| protected boolean isSiblingNodes(Node first, Node second) |
| { |
| if (first.getParentNode() != null) |
| { |
| return first.getParentNode().equals(second.getParentNode()); |
| } |
| return false; |
| } |
| |
| protected void beginRecording() |
| { |
| if (target != null) |
| { |
| XMLModel model = getModel((Node)target); |
| |
| if (model != null) |
| { |
| model.beginRecording(this, "Move"); |
| } |
| } |
| } |
| |
| protected void endRecording() |
| { |
| if (target != null) |
| { |
| XMLModel model = getModel((Node)target); |
| |
| if (model != null) |
| { |
| model.endRecording(this); |
| } |
| } |
| } |
| protected XMLModel getModel(Node node) |
| { |
| Object object = node.getOwnerDocument(); |
| if (object instanceof DocumentImpl) |
| { |
| return ((DocumentImpl) object).getModel(); |
| } |
| return null; |
| } |
| |
| protected void moveNode(Node referenceNode, Node nodeToMove, boolean isBefore) |
| { |
| XSDDOMHelper.moveNode(referenceNode, nodeToMove, isBefore); |
| } |
| } |