org.activiti.designer.eclipse.common.SampleUtil Maven / Gradle / Ivy
/**
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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.
*
*
* @param dialogTitle
* the dialog title, or null if none
* @param dialogMessage
* the dialog message, or null if none
* @param initialValue
* the initial input value, or null 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();
}
}