/*******************************************************************************
* Copyright 2009, 2010 Lars Grammel
*
* 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 org.thechiselgroup.choosel.core.client.views.ui;
import org.thechiselgroup.choosel.core.client.resources.DefaultResourceSet;
import org.thechiselgroup.choosel.core.client.resources.ResourceSet;
import org.thechiselgroup.choosel.core.client.resources.ResourceSetAddedEvent;
import org.thechiselgroup.choosel.core.client.resources.ResourceSetAddedEventHandler;
import org.thechiselgroup.choosel.core.client.resources.ResourceSetRemovedEvent;
import org.thechiselgroup.choosel.core.client.resources.ResourceSetRemovedEventHandler;
import org.thechiselgroup.choosel.core.client.resources.ui.ResourceSetsPresenter;
import org.thechiselgroup.choosel.core.client.ui.Presenter;
import org.thechiselgroup.choosel.core.client.views.model.ResourceSetActivatedEvent;
import org.thechiselgroup.choosel.core.client.views.model.ResourceSetActivatedEventHandler;
import org.thechiselgroup.choosel.core.client.views.model.SelectionModel;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Widget;
public class DefaultSelectionModelPresenter implements Presenter {
private ResourceSetsPresenter selectionDropPresenter;
private ResourceSetsPresenter selectionPresenter;
private SelectionModel selectionModel;
public DefaultSelectionModelPresenter(
ResourceSetsPresenter selectionDropPresenter,
ResourceSetsPresenter selectionPresenter,
SelectionModel selectionModel) {
assert selectionPresenter != null;
assert selectionDropPresenter != null;
assert selectionModel != null;
this.selectionDropPresenter = selectionDropPresenter;
this.selectionPresenter = selectionPresenter;
this.selectionModel = selectionModel;
}
@Override
public Widget asWidget() {
HorizontalPanel panel = new HorizontalPanel();
panel.add(selectionPresenter.asWidget());
panel.add(selectionDropPresenter.asWidget());
return panel;
}
@Override
public void dispose() {
selectionPresenter.dispose();
selectionPresenter = null;
selectionDropPresenter.dispose();
selectionDropPresenter = null;
}
@Override
public void init() {
selectionPresenter.init();
selectionDropPresenter.init();
// TODO refactor: move to somewhere else (e.g. decorator)
DefaultResourceSet resources = new DefaultResourceSet();
resources.setLabel("add selection");
selectionDropPresenter.addResourceSet(resources);
initSelectionModelLink();
}
private void initSelectionModelLink() {
selectionModel.addEventHandler(new ResourceSetAddedEventHandler() {
@Override
public void onResourceSetAdded(ResourceSetAddedEvent e) {
ResourceSet resources = e.getResourceSet();
selectionPresenter.addResourceSet(resources);
}
});
selectionModel.addEventHandler(new ResourceSetRemovedEventHandler() {
@Override
public void onResourceSetRemoved(ResourceSetRemovedEvent e) {
ResourceSet resources = e.getResourceSet();
selectionPresenter.removeResourceSet(resources);
}
});
selectionModel.addEventHandler(new ResourceSetActivatedEventHandler() {
@Override
public void onResourceSetActivated(ResourceSetActivatedEvent e) {
ResourceSet resources = e.getResourceSet();
selectionPresenter.setSelectedResourceSet(resources);
}
});
}
}