/*
* 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.MIGLayoutFormItem;
import org.jbpm.formbuilder.client.messages.I18NConstants;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.IntegerBox;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.Widget;
import com.gwtent.reflection.client.Reflectable;
@Reflectable
public class ChangeColspanFormEffect extends FBFormEffect {
private final I18NConstants i18n = FormBuilderGlobals.getInstance().getI18n();
private final EventBus bus = CommonGlobals.getInstance().getEventBus();
private final IntegerBox colspan = new IntegerBox();
private final IntegerBox rowspan = new IntegerBox();
public ChangeColspanFormEffect() {
super(FormBuilderGlobals.getInstance().getI18n().ChangeColspanEffectLabel(), true);
}
@Override
protected void createStyles() {
FBFormItem item = getItem();
MIGLayoutFormItem container = getContainer(item);
Map<String, Object> dataSnapshot = new HashMap<String, Object>();
dataSnapshot.put("item", item);
dataSnapshot.put("container", container);
dataSnapshot.put("oldColspan", container.getColSpan(item));
dataSnapshot.put("oldRowspan", container.getRowSpan(item));
dataSnapshot.put("newColspan", colspan.getValue());
dataSnapshot.put("newRowspan", rowspan.getValue());
UndoableHandler rollbackHandler = new UndoableHandler() {
@Override
public void onEvent(UndoableEvent event) { }
@Override
public void doAction(UndoableEvent event) {
Integer rowspan = (Integer) event.getData("newRowspan");
Integer colspan = (Integer) event.getData("newColspan");
MIGLayoutFormItem container = (MIGLayoutFormItem) event.getData("container");
FBFormItem item = (FBFormItem) event.getData("item");
container.setSpan(item, colspan, rowspan);
}
@Override
public void undoAction(UndoableEvent event) {
Integer rowspan = (Integer) event.getData("oldRowspan");
Integer colspan = (Integer) event.getData("oldColspan");
MIGLayoutFormItem container = (MIGLayoutFormItem) event.getData("container");
FBFormItem item = (FBFormItem) event.getData("item");
container.setSpan(item, colspan, rowspan);
}
};
bus.fireEvent(new UndoableEvent(dataSnapshot, rollbackHandler));
container.setSpan(item, colspan.getValue(), rowspan.getValue());
}
private MIGLayoutFormItem getContainer(FBFormItem item) {
Widget parent = item.getParent();
while (!(parent instanceof MIGLayoutFormItem)) {
parent = parent.getParent();
}
return (MIGLayoutFormItem) parent;
}
@Override
public PopupPanel createPanel() {
FBFormItem item = getItem();
MIGLayoutFormItem container = getContainer(item);
colspan.setValue(container.getColSpan(item));
rowspan.setValue(container.getRowSpan(item));
final PopupPanel panel = new PopupPanel();
Grid data = new Grid(3, 2);
Button cancelButton = new Button(i18n.CancelButton(), new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
panel.hide();
}
});
Button confirmButton = new Button(i18n.ConfirmButton(), new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
createStyles();
panel.hide();
}
});
data.setWidget(0, 0, new Label(i18n.ColspanLabel()));
data.setWidget(0, 1, colspan);
data.setWidget(1, 0, new Label(i18n.RowspanLabel()));
data.setWidget(1, 1, rowspan);
data.setWidget(2, 0, cancelButton);
data.setWidget(2, 1, confirmButton);
panel.add(data);
return panel;
}
}