Java tutorial
/******************************************************************************* * Copyright (c) 2006, 2014 Tom Schindl and others. * * This program and the accompanying materials * are made available under the terms of the Eclipse Public License 2.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/legal/epl-2.0/ * * SPDX-License-Identifier: EPL-2.0 * * Contributors: * Tom Schindl - initial API and implementation * IBM - Improvement for Bug 159625 [Snippets] Update Snippet011CustomTooltips to reflect new API * Lars Vogel (lars.vogel@gmail.com) - Bug 413427 *******************************************************************************/ package org.eclipse.jface.snippets.viewers; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.CellLabelProvider; import org.eclipse.jface.viewers.ColumnViewer; import org.eclipse.jface.viewers.ColumnViewerToolTipSupport; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.jface.viewers.ViewerCell; import org.eclipse.jface.window.ToolTip; import org.eclipse.swt.SWT; import org.eclipse.swt.browser.Browser; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Shell; /** * Explore JFace custom tooltips drawing. * */ public class Snippet037FancyCustomTooltips { private static class FancyToolTipSupport extends ColumnViewerToolTipSupport { protected FancyToolTipSupport(ColumnViewer viewer, int style, boolean manualActivation) { super(viewer, style, manualActivation); } @Override protected Composite createToolTipContentArea(Event event, Composite parent) { Composite comp = new Composite(parent, SWT.NONE); GridLayout l = new GridLayout(1, false); l.horizontalSpacing = 0; l.marginWidth = 0; l.marginHeight = 0; l.verticalSpacing = 0; comp.setLayout(l); Browser browser = new Browser(comp, SWT.BORDER); browser.setText(getText(event)); browser.setLayoutData(new GridData(200, 150)); return comp; } @Override public boolean isHideOnMouseDown() { return false; } public static final void enableFor(ColumnViewer viewer, int style) { new FancyToolTipSupport(viewer, style, false); } } /** * @param args */ public static void main(String[] args) { final Display display = new Display(); Shell shell = new Shell(display); shell.setLayout(new FillLayout()); TableViewer v = new TableViewer(shell, SWT.FULL_SELECTION); v.getTable().setLinesVisible(true); v.getTable().setHeaderVisible(true); v.setContentProvider(ArrayContentProvider.getInstance()); FancyToolTipSupport.enableFor(v, ToolTip.NO_RECREATE); CellLabelProvider labelProvider = new CellLabelProvider() { @Override public String getToolTipText(Object element) { return "<html><body>Tooltip (" + element + ")<br /><a href='http://www.bestsolution.at' target='_NEW'>www.bestsolution.at</a></body></html>"; } @Override public Point getToolTipShift(Object object) { return new Point(5, 5); } @Override public int getToolTipDisplayDelayTime(Object object) { return 2000; } @Override public int getToolTipTimeDisplayed(Object object) { return 5000; } @Override public void update(ViewerCell cell) { cell.setText(cell.getElement().toString()); } }; TableViewerColumn column = new TableViewerColumn(v, SWT.NONE); column.setLabelProvider(labelProvider); column.getColumn().setText("Column 1"); column.getColumn().setWidth(100); String[] values = new String[] { "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten" }; v.setInput(values); shell.setSize(200, 200); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) { display.sleep(); } } display.dispose(); } }