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/*******************************************************************************
* Copyright (c) 2013 Hendrik Still 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:
* Hendrik Still<hendrik.still@gammas.de> - initial implementation, bug 417676
*******************************************************************************/
package org.eclipse.jface.snippets.viewers;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.layout.LayoutConstants;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
/**
* A simple ComboViewer to demonstrate usage
*
* @author Hendrik Still <hendrik.still@gammas.de>
*
*/
public class Snippet063ComboViewer {
private class MyContentProvider implements IStructuredContentProvider<MyModel,MyModel[]> {
public void dispose() {
}
public void inputChanged(Viewer<? extends MyModel[]> viewer, MyModel[] oldInput,
MyModel[] newInput) {
}
public MyModel[] getElements(MyModel[] inputElement) {
return inputElement;
}
}
public class MyModel {
public int counter;
public MyModel(int counter) {
this.counter = counter;
}
@Override
public String toString() {
return "Item " + this.counter;
}
}
public Snippet063ComboViewer(Shell shell) {
GridLayoutFactory.fillDefaults().numColumns(2)
.margins(LayoutConstants.getMargins()).generateLayout(shell);
final Label l = new Label(shell, SWT.None);
l.setText("Choose Item:");
final ComboViewer<MyModel,MyModel[]> v = new ComboViewer<MyModel,MyModel[]>(shell);
v.setLabelProvider(new LabelProvider<MyModel>());
v.setContentProvider(new MyContentProvider());
MyModel[] model = createModel();
v.setInput(model);
// Select the initial Element
if (model.length > 0) {
v.setSelection(new StructuredSelection(model[0]));
}
}
private MyModel[] createModel() {
MyModel[] elements = new MyModel[11];
for (int i = 0; i < 10; i++) {
elements[i] = new MyModel(i);
}
elements[10] = new MyModel(42);
return elements;
}
/**
* @param args
*/
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
new Snippet063ComboViewer(shell);
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}
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