/*
* Copyright (c) 2011 PonySDK
* Owners:
* Luciano Broussal <luciano.broussal AT gmail.com>
* Mathieu Barbier <mathieu.barbier AT gmail.com>
* Nicolas Ciaravola <nicolas.ciaravola.pro AT gmail.com>
*
* WebSite:
* http://code.google.com/p/pony-sdk/
*
* 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 com.ponysdk.sample.client.page;
import com.ponysdk.ui.server.basic.PFlowPanel;
import com.ponysdk.ui.server.basic.PLabel;
import com.ponysdk.ui.server.basic.PVerticalPanel;
import com.ponysdk.ui.server.basic.PWidget;
import com.ponysdk.ui.server.basic.event.PDragEnterEvent;
import com.ponysdk.ui.server.basic.event.PDragEnterHandler;
import com.ponysdk.ui.server.basic.event.PDragLeaveEvent;
import com.ponysdk.ui.server.basic.event.PDragLeaveHandler;
import com.ponysdk.ui.server.basic.event.PDragStartEvent;
import com.ponysdk.ui.server.basic.event.PDragStartHandler;
import com.ponysdk.ui.server.basic.event.PDropEvent;
import com.ponysdk.ui.server.basic.event.PDropHandler;
public class DragAndDropPageActivity extends SamplePageActivity {
private final PFlowPanel boxContainer = new PFlowPanel();;
public DragAndDropPageActivity() {
super("Drag and Drop", "Extra");
}
@Override
protected void onFirstShowPage() {
super.onFirstShowPage();
final PVerticalPanel verticalPanel = new PVerticalPanel();
final PWidget box1 = buildBox("Box 1");
final PWidget box2 = buildBox("Box 2");
final PWidget box3 = buildBox("Box 3");
final PWidget box4 = buildBox("Box 4");
boxContainer.add(box1);
boxContainer.add(box2);
boxContainer.add(box3);
boxContainer.add(box4);
verticalPanel.add(boxContainer);
examplePanel.setWidget(verticalPanel);
}
private PWidget buildBox(final String label) {
final PLabel lbl = new PLabel(label);
lbl.addStyleName("label");
final PFlowPanel box = new PFlowPanel();
box.addStyleName("ddbox");
box.add(lbl);
box.addDomHandler(new PDragStartHandler() {
@Override
public void onDragStart(final PDragStartEvent event) {}
}, PDragStartEvent.TYPE);
box.addDomHandler(new PDropHandler() {
@Override
public void onDrop(final PDropEvent event) {
box.removeStyleName("dragenter");
final PWidget source = event.getDragSource();
if (source != null && source != box) {
final int dropIndex = boxContainer.getWidgetIndex(box);
boxContainer.remove(source);
boxContainer.insert(source, dropIndex);
}
}
}, PDropEvent.TYPE);
box.addDomHandler(new PDragEnterHandler() {
@Override
public void onDragEnter(final PDragEnterEvent event) {
box.addStyleName("dragenter");
}
}, PDragEnterEvent.TYPE);
box.addDomHandler(new PDragLeaveHandler() {
@Override
public void onDragLeave(final PDragLeaveEvent event) {
box.removeStyleName("dragenter");
}
}, PDragLeaveEvent.TYPE);
return box;
}
}