/**
* Copyright 2010 The ForPlay Authors
*
* Licensed 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 forplay.html;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Node;
import forplay.core.Asserts;
import forplay.core.GroupLayer;
import forplay.core.GroupLayerImpl;
import forplay.core.Layer;
import forplay.core.ParentLayer;
class HtmlGroupLayerDom extends HtmlLayerDom implements GroupLayer, ParentLayer {
private GroupLayerImpl<HtmlLayerDom> impl = new GroupLayerImpl<HtmlLayerDom>();
HtmlGroupLayerDom() {
super(Document.get().createDivElement());
}
HtmlGroupLayerDom(Element elem) {
super(elem);
}
@Override
public Layer get(int index) {
return impl.children.get(index);
}
@Override
public void add(Layer layer) {
Asserts.checkArgument(layer instanceof HtmlLayerDom);
HtmlLayerDom hlayer = (HtmlLayerDom) layer;
impl.add(this, hlayer);
element().appendChild(hlayer.element());
}
@Override @Deprecated
public void add(int index, Layer layer) {
Asserts.checkArgument(layer instanceof HtmlLayerDom);
HtmlLayerDom hlayer = (HtmlLayerDom) layer;
if (index == size()) {
element().appendChild(hlayer.element());
} else {
Node refChild = element().getChild(index);
element().insertBefore(hlayer.element(), refChild);
}
impl.add(this, index, hlayer);
}
@Override
public void remove(Layer layer) {
Asserts.checkArgument(layer instanceof HtmlLayerDom);
HtmlLayerDom hlayer = (HtmlLayerDom) layer;
impl.remove(this, hlayer);
element().removeChild(hlayer.element());
}
@Override @Deprecated
public void remove(int index) {
impl.remove(this, index);
element().removeChild(element().getChild(index));
}
@Override
public void clear() {
impl.clear(this);
}
@Override
public int size() {
return impl.children.size();
}
@Override
public void destroy() {
super.destroy();
impl.destroy(this);
}
@Override
public void onAdd() {
super.onAdd();
impl.onAdd(this);
}
@Override
public void onRemove() {
super.onRemove();
impl.onRemove(this);
}
@Override
public void depthChanged(Layer layer, float oldDepth) {
impl.depthChanged(this, layer, oldDepth);
}
void update() {
super.update();
for (HtmlLayerDom child : impl.children) {
child.update();
}
}
}