| /******************************************************************************* |
| * Copyright (c) 2004, 2005 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.tests.viewers.interactive; |
| |
| import org.eclipse.jface.viewers.IContentProvider; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.part.ViewPart; |
| |
| /** |
| * The is a test VirtualTableView of the support for SWT.VIRTUAL in JFace. |
| * |
| * @since 3.1 |
| */ |
| public class VirtualTableView extends ViewPart { |
| |
| TableViewer viewer; |
| |
| int itemCount = 10000; |
| |
| /** |
| * Create a new instance of the receiver. |
| */ |
| public VirtualTableView() { |
| super(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.IWorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite) |
| */ |
| public void createPartControl(Composite parent) { |
| |
| viewer = new TableViewer(parent, SWT.VIRTUAL); |
| viewer.setContentProvider(getContentProvider()); |
| viewer.setInput(this); |
| viewer.setItemCount(itemCount); |
| |
| Composite buttonComposite = new Composite(parent,SWT.NONE); |
| buttonComposite.setLayout(new GridLayout()); |
| |
| Button resetInput = new Button(buttonComposite,SWT.PUSH); |
| resetInput.setText("Reset input"); |
| resetInput.addSelectionListener(new SelectionAdapter(){ |
| public void widgetSelected(org.eclipse.swt.events.SelectionEvent e){ |
| resetInput(); |
| } |
| }); |
| |
| Button delete = new Button(buttonComposite, SWT.PUSH); |
| delete.setText("Delete selection"); |
| delete.addSelectionListener(new SelectionAdapter() { |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent) |
| */ |
| public void widgetSelected(SelectionEvent e) { |
| |
| viewer.remove(((IStructuredSelection) viewer.getSelection()).toArray()); |
| } |
| }); |
| |
| } |
| |
| /** |
| * Get the content provider for the receiver. |
| * |
| * @return IContentProvider |
| */ |
| protected IContentProvider getContentProvider() { |
| return new IStructuredContentProvider() { |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.IContentProvider#dispose() |
| */ |
| public void dispose() { |
| // Nothing to do here. |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
| */ |
| public Object[] getElements(Object inputElement) { |
| String[] elements = new String[itemCount]; |
| for (int i = 0; i < itemCount; i++) { |
| elements[i] = "Element " + String.valueOf(i); |
| } |
| return elements; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, |
| * java.lang.Object, java.lang.Object) |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, |
| Object newInput) { |
| // Nothing to do here. |
| |
| } |
| }; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.IWorkbenchPart#setFocus() |
| */ |
| public void setFocus() { |
| viewer.getTable().setFocus(); |
| |
| } |
| |
| /** |
| * Reset the input of the view. |
| */ |
| protected void resetInput() { |
| viewer.setInput(this); |
| } |
| |
| } |