| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.uima.dde.internal.hover; |
| |
| import org.eclipse.jface.text.AbstractHoverInformationControlManager; |
| import org.eclipse.jface.text.IInformationControlCreator; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.events.MouseEvent; |
| import org.eclipse.swt.events.MouseMoveListener; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.widgets.TreeItem; |
| |
| public class HoverManager extends AbstractHoverInformationControlManager { |
| |
| private TreeViewer viewer; |
| |
| public HoverManager(TreeViewer viewer, IInformationControlCreator creator) { |
| super(creator); |
| this.viewer = viewer; |
| } |
| |
| @Override |
| protected void computeInformation() { |
| Point pt = getHoverEventLocation(); |
| // Trace.err("x: " + pt.x + " y: " + pt.y); |
| TreeItem item = viewer.getTree().getItem(pt); |
| if (item != null) { |
| // Trace.err("Hover"); |
| setInformation(item, item.getBounds()); |
| } else { |
| // Trace.err("NOT Hover"); |
| setInformation(null, null); |
| } |
| } |
| |
| } |
