org.activiti.designer.util.style.StyleUtil Maven / Gradle / Ivy
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/**
* 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.util.style;
import java.util.Collection;
import org.eclipse.emf.common.util.EList;
import org.eclipse.graphiti.mm.StyleContainer;
import org.eclipse.graphiti.mm.algorithms.styles.AdaptedGradientColoredAreas;
import org.eclipse.graphiti.mm.algorithms.styles.Color;
import org.eclipse.graphiti.mm.algorithms.styles.GradientColoredArea;
import org.eclipse.graphiti.mm.algorithms.styles.GradientColoredAreas;
import org.eclipse.graphiti.mm.algorithms.styles.LocationType;
import org.eclipse.graphiti.mm.algorithms.styles.Style;
import org.eclipse.graphiti.mm.algorithms.styles.StylesFactory;
import org.eclipse.graphiti.mm.pictograms.Diagram;
import org.eclipse.graphiti.services.Graphiti;
import org.eclipse.graphiti.services.IGaService;
import org.eclipse.graphiti.util.ColorConstant;
import org.eclipse.graphiti.util.ColorUtil;
import org.eclipse.graphiti.util.IColorConstant;
import org.eclipse.graphiti.util.IGradientType;
import org.eclipse.graphiti.util.IPredefinedRenderingStyle;
public class StyleUtil {
private static final IColorConstant BPMN_CLASS_FOREGROUND = new ColorConstant(0, 0, 0);
public static Style getStyleForTask(Diagram diagram) {
final String styleId = "TASK"; //$NON-NLS-1$
Style style = findStyle(diagram, styleId);
if (style == null) { // style not found - create new style
IGaService gaService = Graphiti.getGaService();
style = gaService.createStyle(diagram, styleId);
style.setForeground(gaService.manageColor(diagram, BPMN_CLASS_FOREGROUND));
gaService.setRenderingStyle(style, getDefaultTaskColor(diagram));
style.setLineWidth(20);
}
return style;
}
public static Style getStyleForPool(Diagram diagram) {
final String styleId = "POOL"; //$NON-NLS-1$
Style style = findStyle(diagram, styleId);
if (style == null) { // style not found - create new style
IGaService gaService = Graphiti.getGaService();
style = gaService.createStyle(diagram, styleId);
style.setForeground(gaService.manageColor(diagram, BPMN_CLASS_FOREGROUND));
style.setBackground(gaService.manageColor(diagram, ColorConstant.WHITE));
style.setLineWidth(20);
}
return style;
}
public static Style getStyleForEvent(Diagram diagram) {
final String styleId = "EVENT"; //$NON-NLS-1$
Style style = findStyle(diagram, styleId);
if (style == null) { // style not found - create new style
IGaService gaService = Graphiti.getGaService();
style = gaService.createStyle(diagram, styleId);
style.setForeground(gaService.manageColor(diagram, BPMN_CLASS_FOREGROUND));
gaService.setRenderingStyle(style, getDefaultEventColor(diagram));
style.setLineWidth(20);
}
return style;
}
public static Style getStyleForPolygon(Diagram diagram) {
final String styleId = "BPMN-POLYGON-ARROW"; //$NON-NLS-1$
Style style = findStyle(diagram, styleId);
if (style == null) { // style not found - create new style
IGaService gaService = Graphiti.getGaService();
style = gaService.createStyle(diagram, styleId);
style.setForeground(gaService.manageColor(diagram, IColorConstant.BLACK));
style.setBackground(gaService.manageColor(diagram, IColorConstant.BLACK));
style.setLineWidth(1);
}
return style;
}
public static Style getStyleForMessageFlow(Diagram diagram) {
final String styleId = "BPMN-MESSAGE-FLOW-ARROW"; //$NON-NLS-1$
Style style = findStyle(diagram, styleId);
if (style == null) { // style not found - create new style
IGaService gaService = Graphiti.getGaService();
style = gaService.createStyle(diagram, styleId);
style.setForeground(gaService.manageColor(diagram, IColorConstant.BLACK));
style.setBackground(gaService.manageColor(diagram, IColorConstant.WHITE));
style.setLineWidth(1);
}
return style;
}
// find the style with a given id in the style-container, can return null
private static Style findStyle(StyleContainer styleContainer, String id) {
// find and return style
Collection