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/*****************************************************************************
* Copyright (c) 2008 CEA LIST.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Chokri Mraidha (CEA LIST) Chokri.Mraidha@cea.fr - Initial API and implementation
* Patrick Tessier (CEA LIST) Patrick.Tessier@cea.fr - modification
*
*****************************************************************************/
package org.eclipse.papyrus.uml.properties.profile.ui.listeners;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.papyrus.uml.profile.tree.objects.AppliedStereotypePropertyTreeObject;
import org.eclipse.papyrus.uml.profile.tree.objects.ValueTreeObject;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.TreeItem;
// TODO: Auto-generated Javadoc
/**
* The Class DoubleClickListener.
*/
public class DoubleClickListener implements Listener {
/**
* The tree viewer.
*/
protected TreeViewer treeViewer;
/**
*
*/
public DoubleClickListener() {
super();
}
/**
* Handle event.
*
* @param e
* the e
*/
public void handleEvent(Event e) {
if ((e.widget != null) && (e.widget.getData() != null) && (e.widget.getData() instanceof AppliedStereotypePropertyTreeObject)) {
AppliedStereotypePropertyTreeObject pto = (AppliedStereotypePropertyTreeObject) e.widget.getData();
if ((pto.getProperty() != null) && pto.getProperty().isReadOnly()) {
return;
}
}
int index = getSelectionIndex();
TreeItem item = getSelection();
if (item != null) {
itemDClicked(item, index);
}
}
/**
* When doubleclicked : opens a dialog to allow edition of a new PrimitiveType.
*
* @param item
* the item
* @param index
* the index
* @param selectedElt
* the element that owns the stereotype
* @param value
* the current value or list of values of the property if isMultivalued
* @param isMultivalued
* is the property multivalued or not
* @param selectedProp
* the selected property
* @param currentStereotype
* the stereotype associated to selectedProp
*/
protected void itemDClicked(TreeItem item, int index) {
if (!(item.getData() instanceof ValueTreeObject)) {
return;
}
ValueTreeObject object = (ValueTreeObject) item.getData();
if (object instanceof ValueTreeObject) {
object.editMe();
}
}
/**
* Gets the selection index.
*
* @return the selection index
*/
private int getSelectionIndex() {
int index = -1;
TreeItem selectedItem = getSelection();
if (selectedItem != null) {
index = treeViewer.getTree().indexOf(selectedItem);
}
return index;
}
/**
* Gets the selection.
*
* @return the selection
*/
private TreeItem getSelection() {
TreeItem item = null;
if (treeViewer != null) {
TreeItem[] selectedItems = treeViewer.getTree().getSelection();
if ((selectedItems != null) && (selectedItems.length == 1)) {
item = selectedItems[0];
}
}
return item;
}
}
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