/*
* 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.HashMap;
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.formbuilder.client.FormBuilderGlobals;
import org.jbpm.formbuilder.client.bus.UndoableEvent;
import org.jbpm.formbuilder.client.bus.UndoableHandler;
import org.jbpm.formbuilder.client.form.items.TableLayoutFormItem;
import com.google.gwt.event.shared.EventBus;
import com.gwtent.reflection.client.Reflectable;
@Reflectable
public class AddColumnFormEffect extends FBFormEffect {
private final EventBus bus = CommonGlobals.getInstance().getEventBus();
public AddColumnFormEffect() {
super(FormBuilderGlobals.getInstance().getI18n().AddColumnEffectLabel(), false);
}
@Override
public boolean isValidForItem(FBFormItem item) {
return super.isValidForItem(item) && item instanceof TableLayoutFormItem;
}
@Override
protected void createStyles() {
final Map<String, Object> dataSnapshot = new HashMap<String, Object>();
dataSnapshot.put("selectedX", getParent().getAbsoluteLeft());
dataSnapshot.put("item", getItem());
bus.fireEvent(new UndoableEvent(dataSnapshot, new UndoableHandler() {
@Override
public void undoAction(UndoableEvent event) {
TableLayoutFormItem item = (TableLayoutFormItem) event.getData("item");
Integer selectedX = (Integer) event.getData("selectedX");
int columnNumber = item.getColumnForXCoordinate(selectedX);
item.removeColumn(columnNumber);
}
@Override
public void onEvent(UndoableEvent event) { }
@Override
public void doAction(UndoableEvent event) {
TableLayoutFormItem item = (TableLayoutFormItem) event.getData("item");
Integer selectedX = (Integer) event.getData("selectedX");
int columnNumber = item.getColumnForXCoordinate(selectedX);
item.addColumn(columnNumber);
}
}));
}
}