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/*******************************************************************************
* Copyright (c) 2006, 2014 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
* Jeanderson Candido <http://jeandersonbc.github.io> - Bug 414565
*******************************************************************************/
package org.eclipse.jface.snippets.window;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.window.DefaultToolTip;
import org.eclipse.jface.window.ToolTip;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableColumn;
/**
* Example how one can create a tooltip which is not recreated for every table
* cell
*
* @author Tom Schindl <tom.schindl@bestsolution.at>
*
*/
public class Snippet031TableStaticTooltip {
private static Image[] images;
public class MyModel {
public int counter;
public MyModel(int counter) {
this.counter = counter;
}
@Override
public String toString() {
return "Item " + this.counter;
}
}
public class MyLabelProvider extends LabelProvider implements
ITableLabelProvider {
@Override
public Image getColumnImage(Object element, int columnIndex) {
if (columnIndex == 1) {
return images[((MyModel) element).counter % 4];
}
return null;
}
@Override
public String getColumnText(Object element, int columnIndex) {
return "Column " + columnIndex + " => " + element.toString();
}
}
public Snippet031TableStaticTooltip(Shell shell) {
final TableViewer viewer = new TableViewer(shell, SWT.BORDER
| SWT.FULL_SELECTION);
viewer.setLabelProvider(new MyLabelProvider());
viewer.setContentProvider(ArrayContentProvider.getInstance());
createColumnFor(viewer, "Column 1");
createColumnFor(viewer, "Column 2");
viewer.setInput(createModel());
viewer.getTable().setLinesVisible(true);
viewer.getTable().setHeaderVisible(true);
createToolTipFor(viewer);
}
/**
* @param args
*/
public static void main(String[] args) {
Display display = new Display();
images = new Image[] { createImage(display, 0, 0, 255),
createImage(display, 0, 255, 255),
createImage(display, 0, 255, 0),
createImage(display, 255, 0, 255) };
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
new Snippet031TableStaticTooltip(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
for (Image img : images) {
img.dispose();
}
display.dispose();
}
private static Image createImage(Display display, int red, int green,
int blue) {
Color color = new Color(display, red, green, blue);
Image image = new Image(display, 10, 10);
GC gc = new GC(image);
gc.setBackground(color);
gc.fillRectangle(0, 0, 10, 10);
gc.dispose();
return image;
}
private void createToolTipFor(final TableViewer viewer) {
DefaultToolTip toolTip = new DefaultToolTip(viewer.getControl(),
ToolTip.NO_RECREATE, false);
toolTip.setText("Hello World\nHello World");
toolTip.setBackgroundColor(viewer.getTable().getDisplay()
.getSystemColor(SWT.COLOR_RED));
toolTip.setShift(new Point(10, 5));
}
private TableColumn createColumnFor(TableViewer viewer, String label) {
TableColumn column = new TableColumn(viewer.getTable(), SWT.NONE);
column.setWidth(200);
column.setText(label);
return column;
}
private List<MyModel> createModel() {
List<MyModel> elements = new ArrayList<MyModel>();
for (int i = 0; i < 10; i++) {
elements.add(new MyModel(i));
}
return elements;
}
}
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