/*
* Copyright 2011 JBoss Inc
*
* 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.jbpm.formbuilder.client.effect;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jbpm.formapi.client.CommonGlobals;
import org.jbpm.formapi.client.effect.FBFormEffect;
import org.jbpm.formapi.client.form.FBFormItem;
import org.jbpm.formapi.shared.api.FBScript;
import org.jbpm.formbuilder.client.bus.UndoableEvent;
import org.jbpm.formbuilder.client.bus.UndoableHandler;
import org.jbpm.formbuilder.client.effect.view.EventHandlingEffectView;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.user.client.ui.PopupPanel;
import com.gwtent.reflection.client.Reflectable;
@Reflectable
public class EventHandlingFormEffect extends FBFormEffect {
private final EventBus bus = CommonGlobals.getInstance().getEventBus();
public EventHandlingFormEffect() {
super("Event handling", true);
}
@Override
protected void createStyles() {
}
@Override
public PopupPanel createPanel() {
return new EventHandlingEffectView(this);
}
@Override
public boolean isValidForItem(FBFormItem item) {
return super.isValidForItem(item) && item.getEventActions() != null && !item.getEventActions().isEmpty();
}
public Map<String, FBScript> getItemActions() {
return getItem().getEventActions();
}
public List<String> getPossibleEvents() {
Map<String, FBScript> eventActions = getItem().getEventActions();
if (eventActions != null) {
return new ArrayList<String>(eventActions.keySet());
}
return new ArrayList<String>();
}
public void storeEventAction(String eventName, FBScript script) {
Map<String, Object> dataSnapshot = new HashMap<String, Object>();
dataSnapshot.put("oldScript", getItem().getEventActions().get(eventName));
dataSnapshot.put("newScript", script);
dataSnapshot.put("eventName", eventName);
dataSnapshot.put("eventActions", getItem().getEventActions());
dataSnapshot.put("item", getItem());
bus.fireEvent(new UndoableEvent(dataSnapshot, new UndoableHandler() {
@Override
@SuppressWarnings("unchecked")
public void undoAction(UndoableEvent event) {
FBScript script = (FBScript) event.getData("oldScript");
String eventName = (String) event.getData("eventName");
Map<String, FBScript> eventActions = (Map<String, FBScript>) event.getData("eventActions");
FBFormItem item = (FBFormItem) event.getData("item");
eventActions.put(eventName, script);
item.setEventActions(eventActions);
}
@Override
public void onEvent(UndoableEvent event) { }
@Override
@SuppressWarnings("unchecked")
public void doAction(UndoableEvent event) {
FBScript script = (FBScript) event.getData("newScript");
String eventName = (String) event.getData("eventName");
Map<String, FBScript> eventActions = (Map<String, FBScript>) event.getData("eventActions");
FBFormItem item = (FBFormItem) event.getData("item");
eventActions.put(eventName, script);
item.setEventActions(eventActions);
}
}));
}
public void confirmEventAction(String eventName, FBScript script) {
Map<String, Object> dataSnapshot = new HashMap<String, Object>();
dataSnapshot.put("oldScript", getItem().getEventActions().get(eventName));
dataSnapshot.put("newScript", script);
dataSnapshot.put("eventActions", getItemActions());
dataSnapshot.put("eventName", eventName);
dataSnapshot.put("item", getItem());
bus.fireEvent(new UndoableEvent(dataSnapshot, new UndoableHandler() {
@Override @SuppressWarnings("unchecked")
public void undoAction(UndoableEvent event) {
FBScript script = (FBScript) event.getData("oldScript");
String eventName = (String) event.getData("eventName");
FBFormItem item = (FBFormItem) event.getData("item");
Map<String, FBScript> eventActions = (Map<String, FBScript>) event.getData("eventActions");
eventActions.put(eventName, script);
item.setEventActions(eventActions);
}
@Override
public void onEvent(UndoableEvent event) { }
@Override @SuppressWarnings("unchecked")
public void doAction(UndoableEvent event) {
FBScript script = (FBScript) event.getData("newScript");
String eventName = (String) event.getData("eventName");
FBFormItem item = (FBFormItem) event.getData("item");
Map<String, FBScript> eventActions = (Map<String, FBScript>) event.getData("eventActions");
eventActions.put(eventName, script);
item.setEventActions(eventActions);
}
}));
}
}