/*
* Copyright 2000-2013 Vaadin Ltd.
*
* 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.vaadin.tests.themes.valo;
import com.vaadin.data.Container;
import com.vaadin.event.dd.DragAndDropEvent;
import com.vaadin.event.dd.DropHandler;
import com.vaadin.event.dd.acceptcriteria.AcceptAll;
import com.vaadin.event.dd.acceptcriteria.AcceptCriterion;
import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.Notification;
import com.vaadin.ui.Tree;
import com.vaadin.ui.Tree.TreeDragMode;
import com.vaadin.ui.VerticalLayout;
public class Trees extends VerticalLayout implements View {
public Trees() {
setMargin(true);
Label h1 = new Label("Trees");
h1.addStyleName("h1");
addComponent(h1);
HorizontalLayout row = new HorizontalLayout();
row.addStyleName("wrapping");
row.setSpacing(true);
addComponent(row);
Tree tree = new Tree();
tree.setSelectable(true);
tree.setMultiSelect(true);
Container generateContainer = ValoThemeUI.generateContainer(10, true);
tree.setContainerDataSource(generateContainer);
tree.setDragMode(TreeDragMode.NODE);
row.addComponent(tree);
tree.setItemCaptionPropertyId(ValoThemeUI.CAPTION_PROPERTY);
tree.setItemIconPropertyId(ValoThemeUI.ICON_PROPERTY);
tree.expandItem(generateContainer.getItemIds().iterator().next());
tree.setDropHandler(new DropHandler() {
@Override
public AcceptCriterion getAcceptCriterion() {
return AcceptAll.get();
}
@Override
public void drop(DragAndDropEvent event) {
Notification.show(event.getTransferable().toString());
}
});
// Add actions (context menu)
tree.addActionHandler(ValoThemeUI.getActionHandler());
}
@Override
public void enter(ViewChangeEvent event) {
// TODO Auto-generated method stub
}
}