/*******************************************************************************
* 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.visualization.behaviors;
import java.util.Map;
import org.thechiselgroup.choosel.core.client.fx.Opacity;
import org.thechiselgroup.choosel.core.client.resources.ui.DetailsWidgetHelper;
import org.thechiselgroup.choosel.core.client.ui.popup.Popup;
import org.thechiselgroup.choosel.core.client.ui.popup.PopupManagerFactory;
import org.thechiselgroup.choosel.core.client.ui.popup.PopupOpacityChangedEvent;
import org.thechiselgroup.choosel.core.client.ui.popup.PopupOpacityChangedEventHandler;
import org.thechiselgroup.choosel.core.client.util.collections.CollectionFactory;
import org.thechiselgroup.choosel.core.client.visualization.model.VisualItem;
import org.thechiselgroup.choosel.core.client.visualization.model.extensions.HighlightingModel;
import com.google.gwt.event.dom.client.MouseOutEvent;
import com.google.gwt.event.dom.client.MouseOutHandler;
import com.google.gwt.event.dom.client.MouseOverEvent;
import com.google.gwt.event.dom.client.MouseOverHandler;
public class PopupWithHighlightingVisualItemBehavior extends
PopupVisualItemBehavior {
/**
* Maps view item ids to popup highlighting managers.
*/
private Map<String, HighlightingManager> highlightingManagers = CollectionFactory
.createStringMap();
private HighlightingModel hoverModel;
public PopupWithHighlightingVisualItemBehavior(
DetailsWidgetHelper detailsWidgetHelper,
PopupManagerFactory popupManagerFactory,
HighlightingModel hoverModel) {
super(detailsWidgetHelper, popupManagerFactory);
this.hoverModel = hoverModel;
}
@Override
public void onVisualItemCreated(VisualItem visualItem) {
super.onVisualItemCreated(visualItem);
assert !highlightingManagers.containsKey(visualItem.getId());
final HighlightingManager highlightingManager = new HighlightingManager(
hoverModel, visualItem.getResources());
Popup popup = getHandler(visualItem).getPopup();
popup.addDomHandler(new MouseOverHandler() {
@Override
public void onMouseOver(MouseOverEvent e) {
highlightingManager.setHighlighting(true);
}
}, MouseOverEvent.getType());
popup.addDomHandler(new MouseOutHandler() {
@Override
public void onMouseOut(MouseOutEvent event) {
highlightingManager.setHighlighting(false);
}
}, MouseOutEvent.getType());
popup.addHandler(new PopupOpacityChangedEventHandler() {
@Override
public void onOpacityChangeStarted(PopupOpacityChangedEvent event) {
if (event.getOpacity() == Opacity.TRANSPARENT) {
highlightingManager.setHighlighting(false);
}
}
}, PopupOpacityChangedEvent.TYPE);
highlightingManagers.put(visualItem.getId(), highlightingManager);
}
@Override
public void onVisualItemRemoved(VisualItem visualItem) {
super.onVisualItemRemoved(visualItem);
assert highlightingManagers.containsKey(visualItem.getId());
HighlightingManager manager = highlightingManagers.remove(visualItem
.getId());
manager.dispose();
}
}