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/*****************************************************************************
* Copyright (c) 2010, 2017 CEA LIST, Christian W. Damus, and others.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
* Christian W. Damus (CEA) - bug 402525
* Christian W. Damus - bugs 399859, 516526
* Mickael ADAM (ALL4TEC) mickael.adam@all4tec.net - manage buttons visibility and enable.
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Bug 515808, 522564
*
*****************************************************************************/
package org.eclipse.papyrus.infra.widgets.editors;
import org.eclipse.core.databinding.observable.list.IObservableList;
import org.eclipse.jface.viewers.IBaseLabelProvider;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.papyrus.infra.widgets.providers.TreeCollectionContentProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Tree;
/**
* An editor for multivalued fields.
*
* @author Camille Letavernier
* @param <T>
*
*/
public class MultipleValueEditor<T extends IElementSelector> extends AbstractMultipleValueEditor<T> {
private final int style;
/**
* The viewer displaying the current values from
* the model
*/
protected TreeViewer treeViewer;
/**
* The tree associated to the viewer
*/
protected Tree tree;
/**
*
* Constructor.
*
* @param <T>
*
* @param parent
* The Composite in which this Editor should be displayed
* @param style
* This editor's tree style
* @param selector
* The element selector for this editor's dialog
* @param ordered
* Specify if the observed collection is ordered. If true, Up and Down controls are displayed.
* @param unique
* Specify if the observed collection values are unique.
* @param label
* The label for this editor. If null, the label isn't created.
*/
public MultipleValueEditor(Composite parent, int style, T selector, boolean ordered, boolean unique, String label) {
super(parent, selector, ordered, unique, label);
this.style = style;
createContents();
}
/**
*
* Constructor.
*
* @param parent
* The Composite in which this Editor should be displayed
* @param style
* This editor's tree style
* @param selector
* The element selector for this editor's dialog
* @param ordered
* Specify if the observed collection is ordered. If true, Up and Down controls are displayed
*/
public MultipleValueEditor(Composite parent, int style, T selector, boolean ordered) {
this(parent, style, selector, ordered, false, null);
}
/**
*
* Constructor.
*
* @param parent
* The Composite in which this Editor should be displayed
* @param style
* This editor's tree style
* @param selector
* The element selector for this editor's dialog
*/
public MultipleValueEditor(Composite parent, int style, T selector) {
this(parent, style, selector, false, false, null);
}
/**
*
* Constructor.
*
* @param parent
* The Composite in which this Editor should be displayed
* @param style
* This editor's tree style
* @param selector
* The element selector for this editor's dialog
* @param label
* The label for this Editor
*/
public MultipleValueEditor(Composite parent, int style, T selector, String label) {
this(parent, style, selector, false, false, label);
}
/**
*
* Constructor.
*
* @param parent
* The Composite in which this Editor should be displayed
* @param style
* This editor's tree style
* @param selector
* The element selector for this editor's dialog
* @param ordered
* Specify if the observed collection is ordered. If true, Up and Down controls are displayed.
* @param unique
* Specify if the observed collection values are unique.
* @param label
* The label for this editor. If null, the label isn't created.
* @param upperBound
* The maximum number of values that must appear.
*/
public MultipleValueEditor(Composite parent, int style, T selector, boolean ordered, boolean unique, String label, int upperBound) {
super(parent, selector, ordered, unique, label, upperBound);
this.style = style;
createContents();
}
@Override
protected Control createContents(Composite parent) {
tree = new Tree(parent, style | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
tree.addSelectionListener(this);
treeViewer = new TreeViewer(tree);
treeViewer.setContentProvider(TreeCollectionContentProvider.instance);
return tree;
}
@Override
protected ISelectionProvider getSelectionProvider(Control contentControl) {
return treeViewer;
}
@Override
protected void setInput(IObservableList modelProperty) {
treeViewer.setInput(modelProperty);
}
/**
* Sets the label provider for this editor
*
* @param labelProvider
* The label provider for this editor
*/
@Override
public void setLabelProvider(IBaseLabelProvider labelProvider) {
treeViewer.setLabelProvider(labelProvider);
}
@Override
public IBaseLabelProvider getLabelProvider() {
return treeViewer.getLabelProvider();
}
/**
* Gets the tree viewer associated to this editor
*
* @return the tree viewer associated to this editor
*/
public TreeViewer getViewer() {
return treeViewer;
}
@Override
public void dispose() {
if (null != tree && !this.tree.isDisposed()) {
this.tree.removeSelectionListener(this);
}
super.dispose();
}
@Override
public void refreshValue() {
treeViewer.refresh();
}
}
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