/*
* 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.edition;
import java.util.HashMap;
import java.util.Map;
import org.jbpm.formapi.client.CommonGlobals;
import org.jbpm.formapi.client.bus.FormItemSelectionEvent;
import org.jbpm.formapi.client.bus.FormItemSelectionHandler;
import org.jbpm.formapi.client.form.FBFormItem;
import org.jbpm.formbuilder.client.bus.UndoableEvent;
import org.jbpm.formbuilder.client.bus.UndoableHandler;
import com.google.gwt.event.shared.EventBus;
/**
* Populates edition panel when a form item is selected
*/
public class EditionPresenter implements EditionView.Presenter {
private final EditionView editView;
private final EventBus bus;
public EditionPresenter(EditionView view) {
super();
this.editView = view;
this.bus = CommonGlobals.getInstance().getEventBus();
this.bus.addHandler(FormItemSelectionEvent.TYPE, new FormItemSelectionHandler() {
@Override
public void onEvent(FormItemSelectionEvent event) {
if (event.isSelected()) {
editView.selectTab();
editView.populate(event.getFormItemSelected());
}
}
});
}
@Override
public void onSaveChanges(Map<String, Object> oldProps, Map<String, Object> newProps, FBFormItem itemSelected) {
Map<String, Object> dataSnapshot = new HashMap<String, Object>();
dataSnapshot.put("oldItems", oldProps);
dataSnapshot.put("newItems", newProps);
dataSnapshot.put("itemSelected", itemSelected);
bus.fireEvent(new UndoableEvent(dataSnapshot, new UndoableHandler() {
@Override
public void onEvent(UndoableEvent event) { }
@Override
@SuppressWarnings("unchecked")
public void undoAction(UndoableEvent event) {
FBFormItem itemSelected = (FBFormItem) event.getData("itemSelected");
itemSelected.saveValues((Map<String, Object>) event.getData("oldItems"));
}
@Override
@SuppressWarnings("unchecked")
public void doAction(UndoableEvent event) {
FBFormItem itemSelected = (FBFormItem) event.getData("itemSelected");
itemSelected.saveValues((Map<String, Object>) event.getData("newItems"));
}
}));
}
@Override
public void onResetChanges(FBFormItem fakeItem, Map<String, Object> newItems) {
Map<String, Object> dataSnapshot = new HashMap<String, Object>();
dataSnapshot.put("newItems", newItems);
dataSnapshot.put("fakeItemSelected", fakeItem);
bus.fireEvent(new UndoableEvent(dataSnapshot, new UndoableHandler() {
@Override
public void onEvent(UndoableEvent event) { }
@Override
@SuppressWarnings("unchecked")
public void undoAction(UndoableEvent event) {
FBFormItem itemSelected = (FBFormItem) event.getData("fakeItemSelected");
itemSelected.saveValues((Map<String, Object>) event.getData("newItems"));
editView.populate(itemSelected);
}
@Override
public void doAction(UndoableEvent event) {
FBFormItem itemSelected = (FBFormItem) event.getData("fakeItemSelected");
editView.populate(itemSelected);
}
}));
}
}