/**
* 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.waveprotocol.wave.client.doodad.selection;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import org.waveprotocol.wave.client.common.util.DomHelper;
import org.waveprotocol.wave.client.doodad.selection.SelectionAnnotationHandler.CaretViewFactory;
import org.waveprotocol.wave.client.editor.content.ContentElement;
import org.waveprotocol.wave.client.editor.content.Renderer;
import org.waveprotocol.wave.client.editor.impl.NodeManager;
import org.waveprotocol.wave.model.document.util.FilteredView.Skip;
/**
* Renderer for the caret marker place holder, and responsible for attachment of
* a marker into said place holder.
*
* @author danilatos@google.com (Daniel Danilatos)
*/
public class CaretMarkerRenderer implements Renderer, CaretViewFactory {
/** Doodad tag information to relate to this renderer. */
public static final String NS = "l";
public static final String TAGNAME = "uname";
public static final String FULL_TAGNAME = NS + ":" + TAGNAME;
/** Singleton instance: */
private static final CaretMarkerRenderer instance = new CaretMarkerRenderer();
public static CaretMarkerRenderer getInstance() {
return instance;
}
private CaretMarkerRenderer() { }
@Override
public Element createDomImpl(Renderable element) {
Element renderSpan = Document.get().createSpanElement();
DomHelper.makeUnselectable(renderSpan);
NodeManager.setTransparency(renderSpan, Skip.DEEP);
return renderSpan;
}
@Override
public CaretView createMarker() {
return new CaretWidget();
}
public void setMarker(Object element, CaretView marker) {
// Hack for bug 2868754
Element impl = ((ContentElement) element).getImplNodelet();
if (impl != null) {
impl.appendChild(
((CaretWidget) marker).getElement());
}
}
}