/* | |
* 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 | |
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* 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.graphics.Rectangle; | |
import org.eclipse.swt.widgets.TreeItem; | |
public class GenericHoverManager extends AbstractHoverInformationControlManager { | |
// TODO Create a mapping from Control (used getSubjectControl()) to Owner | |
// so that this GenericHoverManager can be re-used with multiple controls. | |
private IGenericHoverOwner owner; | |
public GenericHoverManager(IGenericHoverOwner hoverOwner, IInformationControlCreator creator) { | |
super(creator); | |
this.owner = hoverOwner; | |
} | |
@Override | |
protected void computeInformation() { | |
Point pt = getHoverEventLocation(); | |
// Call the hover owner to set the information to be shown | |
owner.computeInformation(this, pt); | |
} | |
/** | |
* Sets the parameters of the information to be displayed. These are the information | |
* itself and the area for which the given information is valid. This so called | |
* subject area is a graphical region of the information control's subject control. | |
* This method calls <code>presentInformation()</code> | |
* to trigger the presentation of the computed information. | |
* | |
* @param information the information | |
* @param subjectArea the subject area | |
*/ | |
public void setDisplayedInformation(Object information, Rectangle subjectArea) { | |
super.setInformation(information, subjectArea); | |
} | |
} |