| /******************************************************************************* |
| * <copyright> |
| * |
| * Copyright (c) 2005, 2010 SAP AG. |
| * 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: |
| * SAP AG - initial API, implementation and documentation |
| * |
| * </copyright> |
| * |
| *******************************************************************************/ |
| package org.eclipse.graphiti.examples.common; |
| |
| import org.eclipse.graphiti.mm.algorithms.styles.Color; |
| import org.eclipse.graphiti.mm.pictograms.Diagram; |
| import org.eclipse.graphiti.services.Graphiti; |
| import org.eclipse.jface.dialogs.InputDialog; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.graphics.RGB; |
| import org.eclipse.swt.widgets.ColorDialog; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.PlatformUI; |
| |
| public class ExampleUtil { |
| |
| /** |
| * Opens an simple input dialog with OK and Cancel buttons. |
| * <p> |
| * |
| * @param dialogTitle |
| * the dialog title, or <code>null</code> if none |
| * @param dialogMessage |
| * the dialog message, or <code>null</code> if none |
| * @param initialValue |
| * the initial input value, or <code>null</code> if none |
| * (equivalent to the empty string) |
| * @return the string |
| */ |
| public static String askString(String dialogTitle, String dialogMessage, String initialValue) { |
| String ret = null; |
| Shell shell = getShell(); |
| InputDialog inputDialog = new InputDialog(shell, dialogTitle, dialogMessage, initialValue, null); |
| int retDialog = inputDialog.open(); |
| if (retDialog == Window.OK) { |
| ret = inputDialog.getValue(); |
| } |
| return ret; |
| } |
| |
| /** |
| * Opens a dialog to change the color. |
| * |
| * @param color |
| * the color to change |
| * @return the changed color |
| */ |
| public static Color editColor(Color color) { |
| if (color != null && color.eContainer() instanceof Diagram) { |
| Shell shell = getShell(); |
| ColorDialog colorDialog = new ColorDialog(shell); |
| colorDialog.setText("Choose Color"); |
| colorDialog.setRGB(new RGB(color.getRed(), color.getGreen(), color.getBlue())); |
| |
| RGB retRgb = colorDialog.open(); |
| if (retRgb == null) { |
| return null; |
| } |
| |
| Diagram diagram = (Diagram) color.eContainer(); |
| Color newColor = Graphiti.getGaService().manageColor(diagram, retRgb.red, retRgb.green, retRgb.blue); |
| return newColor; |
| |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Returns the currently active Shell. |
| * |
| * @return The currently active Shell. |
| */ |
| private static Shell getShell() { |
| return PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); |
| } |
| } |