/*******************************************************************************
* <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.activiti.designer.eclipse.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 SampleUtil {
/**
* 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();
}
}