/*******************************************************************************
* 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.resources.ui.popup;
import java.util.ArrayList;
import java.util.List;
import org.thechiselgroup.choosel.core.client.resources.ResourceSet;
import org.thechiselgroup.choosel.core.client.resources.ui.DelegatingResourceSetAvatarFactory;
import org.thechiselgroup.choosel.core.client.resources.ui.ResourceSetAvatar;
import org.thechiselgroup.choosel.core.client.resources.ui.ResourceSetAvatarEnabledStatusEvent;
import org.thechiselgroup.choosel.core.client.resources.ui.ResourceSetAvatarEnabledStatusEventHandler;
import org.thechiselgroup.choosel.core.client.resources.ui.ResourceSetAvatarFactory;
import org.thechiselgroup.choosel.core.client.resources.ui.popup.ResourceSetAvatarPopupWidgetFactory.HeaderUpdatedEventHandler;
import org.thechiselgroup.choosel.core.client.resources.ui.popup.ResourceSetAvatarPopupWidgetFactory.ResourceSetAvatarPopupWidgetFactoryAction;
import org.thechiselgroup.choosel.core.client.ui.popup.PopupManager;
import org.thechiselgroup.choosel.core.client.ui.popup.PopupManagerFactory;
import org.thechiselgroup.choosel.core.client.util.Disposable;
import org.thechiselgroup.choosel.core.client.visualization.View;
import org.thechiselgroup.choosel.core.client.visualization.ViewAccessor;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.ui.Widget;
public class PopupResourceSetAvatarFactory extends
DelegatingResourceSetAvatarFactory {
public static interface Action {
void execute(ResourceSet resources, View view);
String getLabel();
}
public static class ActionToDragAvatarPopupWidgetFactoryActionAdapter
implements ResourceSetAvatarPopupWidgetFactoryAction {
private ResourceSetAvatar avatar;
private Action delegate;
private PopupManager popupManager;
private ViewAccessor viewAccessor;
public ActionToDragAvatarPopupWidgetFactoryActionAdapter(
ViewAccessor viewAccessor, ResourceSetAvatar avatar,
Action delegate) {
this.viewAccessor = viewAccessor;
this.avatar = avatar;
this.delegate = delegate;
}
@Override
public void execute() {
delegate.execute(avatar.getResourceSet(),
viewAccessor.findView(avatar));
popupManager.hidePopup();
}
@Override
public String getLabel() {
return delegate.getLabel();
}
public void setPopupManager(PopupManager popupManager) {
this.popupManager = popupManager;
}
}
private List<Action> actions;
private String infoText;
private final PopupManagerFactory popupManagerFactory;
private final boolean resourceLabelModifiable;
private String subHeaderText;
private final ViewAccessor viewAccessor;
public PopupResourceSetAvatarFactory(ResourceSetAvatarFactory delegate,
ViewAccessor viewAccessor, PopupManagerFactory popupManagerFactory,
List<Action> actions, String subHeaderText, String infoText,
boolean resourceLabelModifiable) {
super(delegate);
this.viewAccessor = viewAccessor;
this.popupManagerFactory = popupManagerFactory;
this.infoText = infoText;
this.actions = actions;
this.subHeaderText = subHeaderText;
this.resourceLabelModifiable = resourceLabelModifiable;
}
@Override
public ResourceSetAvatar createAvatar(final ResourceSet resources) {
final ResourceSetAvatar avatar = delegate.createAvatar(resources);
List<ResourceSetAvatarPopupWidgetFactoryAction> actionAdapters = new ArrayList<ResourceSetAvatarPopupWidgetFactoryAction>();
for (Action action : actions) {
actionAdapters
.add(new ActionToDragAvatarPopupWidgetFactoryActionAdapter(
viewAccessor, avatar, action));
}
final PopupManager popupManager = popupManagerFactory
.createPopupManager(createWidget(resources, avatar,
actionAdapters));
for (ResourceSetAvatarPopupWidgetFactoryAction action : actionAdapters) {
((ActionToDragAvatarPopupWidgetFactoryActionAdapter) action)
.setPopupManager(popupManager);
}
final HandlerRegistration link = popupManager.linkToWidget(avatar);
popupManager.setEnabled(avatar.isEnabled());
final HandlerRegistration handlerRegistration = avatar
.addEnabledStatusHandler(new ResourceSetAvatarEnabledStatusEventHandler() {
@Override
public void onDragAvatarEnabledStatusChange(
ResourceSetAvatarEnabledStatusEvent event) {
popupManager.setEnabled(avatar.isEnabled());
}
});
avatar.addDisposable(new Disposable() {
@Override
public void dispose() {
handlerRegistration.removeHandler();
link.removeHandler();
}
});
return avatar;
}
protected Widget createWidget(final ResourceSet resources,
final ResourceSetAvatar avatar,
List<ResourceSetAvatarPopupWidgetFactoryAction> actionAdapters) {
// TODO refactor - is a widgetFactory really required here?
ResourceSetAvatarPopupWidgetFactory widgetFactory = new ResourceSetAvatarPopupWidgetFactory(
avatar.getText(), subHeaderText, actionAdapters, infoText,
resourceLabelModifiable ? new HeaderUpdatedEventHandler() {
@Override
public void headerLabelChanged(String newLabel) {
resources.setLabel(newLabel);
}
} : null);
return widgetFactory.createWidget();
}
}