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/*****************************************************************************
* Copyright (c) 2013 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:
* Patrick Tessier (CEA LIST) patrick.tessier@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.adltool.designer.wizard;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.papyrus.adltool.designer.bundle.BundleLabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
/**
* aGUI in order to select a set of bundle from a list
*
*/
public class BundleSelectionPage extends WizardPage {
/**
* the graphical tree
*/
protected Tree elementTree;
protected ArrayList<?> bundleList;
protected ArrayList<Object> selectedBundleList;
protected BundleLabelProvider bundleLabelProvider= new BundleLabelProvider();
private Composite comp;
/**
*
* Constructor.
*
* @param bundleList the list of bundle to display
*/
public BundleSelectionPage(ArrayList<?> bundleList) {
super("BundleSelection");
setTitle("Bundle Selection");
setDescription("Select bundles to create the architecture model.");
this.bundleList=bundleList;
this.selectedBundleList= new ArrayList<Object>();
}
public void createControl(Composite parent) {
comp = new Composite(parent, SWT.NULL);
FillLayout layout = new FillLayout();
layout.type = SWT.VERTICAL;
comp.setLayout(layout);
elementTree = new Tree(comp, SWT.CHECK | SWT.BORDER | SWT.V_SCROLL);
Composite buttons = new Composite(comp, SWT.NONE);
buttons.setLayout(new RowLayout());
Button selectAll = new Button(buttons, SWT.PUSH);
selectAll.setText("Select All");
selectAll.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
selectAll();
}
});
Button deselectAll = new Button(buttons, SWT.PUSH);
deselectAll.setText("Deselect All");
deselectAll.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
deselectAll();
}
});
if(bundleList != null) {
Iterator<?> it = bundleList.iterator();
while(it.hasNext()) {
Object current = it.next();
createTreeItem(current);
}
}
elementTree.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
if(event.detail == SWT.CHECK) {
if(selectedBundleList.contains(event.item.getData())) {
selectedBundleList.remove(event.item.getData());
} else {
selectedBundleList.add(event.item.getData());
}
if(selectedBundleList.size()>0){
setPageComplete(true);
}
else{
setPageComplete(false);
}
}
}
});
comp.pack();
setControl(comp);
setPageComplete(false);
}
protected void selectAll() {
selectedBundleList.clear();
for(int i = 0; i < elementTree.getItems().length; i++) {
elementTree.getItems()[i].setChecked(true);
selectedBundleList.add(elementTree.getItems()[i].getData());
}
setPageComplete(true);
}
protected void deselectAll() {
for(int i = 0; i < elementTree.getItems().length; i++) {
elementTree.getItems()[i].setChecked(false);
}
selectedBundleList.clear();
setPageComplete(false);
}
/**
* create an item that represent the bundle
* @param _package
*/
private void createTreeItem(Object bundle) {
TreeItem item = new TreeItem(elementTree, SWT.NONE);
item.setText(bundleLabelProvider.getText(bundle));
item.setImage(bundleLabelProvider.getImage(bundle));
item.setData(bundle);
}
/**
* Returns the elements to import.
*
* @return the set of selected bundle
*/
public ArrayList<Object> getResult() {
return selectedBundleList;
}
}
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