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The source code/******************************************************************************* * Copyright (c) 2006 Tom Schindl 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: * Tom Schindl - initial API and implementation *******************************************************************************/ package org.eclipse.jface.snippets.viewers; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; /** * A simple TableViewer to demonstrate the usage of a standard content provider * with a virtual table * * @author Tom Schindl <tom.schindl@bestsolution.at> * */ public class Snippet029VirtualTableViewer { private class MyContentProvider implements IStructuredContentProvider { private MyModel[] elements; /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) */ public Object[] getElements(Object inputElement) { return elements; } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.IContentProvider#dispose() */ public void dispose() { } /* * (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) { this.elements = (MyModel[]) newInput; } } public class MyModel { public int counter; public MyModel(int counter) { this.counter = counter; } public String toString() { return "Item " + this.counter; } } public Snippet029VirtualTableViewer(Shell shell) { final TableViewer v = new TableViewer(shell, SWT.VIRTUAL); v.setLabelProvider(new LabelProvider()); v.setContentProvider(new MyContentProvider()); v.setUseHashlookup(true); MyModel[] model = createModel(); v.setInput(model); v.getTable().setLinesVisible(true); } private MyModel[] createModel() { MyModel[] elements = new MyModel[10000]; for (int i = 0; i < 10000; i++) { elements[i] = new MyModel(i); } return elements; } /** * @param args */ public static void main(String[] args) { Display display = new Display(); Shell shell = new Shell(display); shell.setLayout(new FillLayout()); new Snippet029VirtualTableViewer(shell); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) display.sleep(); } display.dispose(); } } |
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