/*******************************************************************************
* <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.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;
}
// 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<Style> styles = styleContainer.getStyles();
if (styles != null) {
for (Style style : styles) {
if (id.equals(style.getId())) {
return style;
}
}
}
return null;
}
private static AdaptedGradientColoredAreas getDefaultTaskColor(final Diagram diagram) {
final AdaptedGradientColoredAreas agca = StylesFactory.eINSTANCE.createAdaptedGradientColoredAreas();
agca.setDefinedStyleId("bpmnTaskStyle");
agca.setGradientType(IGradientType.VERTICAL);
final GradientColoredAreas defaultGradientColoredAreas = StylesFactory.eINSTANCE.createGradientColoredAreas();
defaultGradientColoredAreas.setStyleAdaption(IPredefinedRenderingStyle.STYLE_ADAPTATION_DEFAULT);
final EList<GradientColoredArea> gcas = defaultGradientColoredAreas.getGradientColor();
addGradientColoredArea(gcas, "FAFBFC", 0, LocationType.LOCATION_TYPE_ABSOLUTE_START, "FFFFCC", 0, //$NON-NLS-1$ //$NON-NLS-2$
LocationType.LOCATION_TYPE_ABSOLUTE_END, diagram);
agca.getAdaptedGradientColoredAreas().add(IPredefinedRenderingStyle.STYLE_ADAPTATION_DEFAULT, defaultGradientColoredAreas);
final GradientColoredAreas primarySelectedGradientColoredAreas = StylesFactory.eINSTANCE.createGradientColoredAreas();
primarySelectedGradientColoredAreas.setStyleAdaption(IPredefinedRenderingStyle.STYLE_ADAPTATION_DEFAULT);
final EList<GradientColoredArea> selectedGcas = primarySelectedGradientColoredAreas.getGradientColor();
addGradientColoredArea(selectedGcas, "E5E5C2", 0, LocationType.LOCATION_TYPE_ABSOLUTE_START, "E5E5C2", 0, //$NON-NLS-1$ //$NON-NLS-2$
LocationType.LOCATION_TYPE_ABSOLUTE_END, diagram);
agca.getAdaptedGradientColoredAreas().add(IPredefinedRenderingStyle.STYLE_ADAPTATION_PRIMARY_SELECTED,
primarySelectedGradientColoredAreas);
final GradientColoredAreas secondarySelectedGradientColoredAreas = StylesFactory.eINSTANCE.createGradientColoredAreas();
secondarySelectedGradientColoredAreas.setStyleAdaption(IPredefinedRenderingStyle.STYLE_ADAPTATION_DEFAULT);
final EList<GradientColoredArea> secondarySelectedGcas = secondarySelectedGradientColoredAreas.getGradientColor();
addGradientColoredArea(secondarySelectedGcas, "E5E5C2", 0, LocationType.LOCATION_TYPE_ABSOLUTE_START, "E5E5C2", 0, //$NON-NLS-1$ //$NON-NLS-2$
LocationType.LOCATION_TYPE_ABSOLUTE_END, diagram);
agca.getAdaptedGradientColoredAreas().add(IPredefinedRenderingStyle.STYLE_ADAPTATION_SECONDARY_SELECTED,
secondarySelectedGradientColoredAreas);
return agca;
}
private static AdaptedGradientColoredAreas getDefaultEventColor(final Diagram diagram) {
final AdaptedGradientColoredAreas agca = StylesFactory.eINSTANCE.createAdaptedGradientColoredAreas();
agca.setDefinedStyleId("bpmnEventStyle");
agca.setGradientType(IGradientType.VERTICAL);
final GradientColoredAreas defaultGradientColoredAreas = StylesFactory.eINSTANCE.createGradientColoredAreas();
defaultGradientColoredAreas.setStyleAdaption(IPredefinedRenderingStyle.STYLE_ADAPTATION_DEFAULT);
final EList<GradientColoredArea> gcas = defaultGradientColoredAreas.getGradientColor();
addGradientColoredArea(gcas, "FAFBFC", 0, LocationType.LOCATION_TYPE_ABSOLUTE_START, "FAFBFC", 0, //$NON-NLS-1$ //$NON-NLS-2$
LocationType.LOCATION_TYPE_ABSOLUTE_END, diagram);
agca.getAdaptedGradientColoredAreas().add(IPredefinedRenderingStyle.STYLE_ADAPTATION_DEFAULT, defaultGradientColoredAreas);
final GradientColoredAreas primarySelectedGradientColoredAreas = StylesFactory.eINSTANCE.createGradientColoredAreas();
primarySelectedGradientColoredAreas.setStyleAdaption(IPredefinedRenderingStyle.STYLE_ADAPTATION_DEFAULT);
final EList<GradientColoredArea> selectedGcas = primarySelectedGradientColoredAreas.getGradientColor();
addGradientColoredArea(selectedGcas, "E5E5C2", 0, LocationType.LOCATION_TYPE_ABSOLUTE_START, "E5E5C2", 0, //$NON-NLS-1$ //$NON-NLS-2$
LocationType.LOCATION_TYPE_ABSOLUTE_END, diagram);
agca.getAdaptedGradientColoredAreas().add(IPredefinedRenderingStyle.STYLE_ADAPTATION_PRIMARY_SELECTED,
primarySelectedGradientColoredAreas);
final GradientColoredAreas secondarySelectedGradientColoredAreas = StylesFactory.eINSTANCE.createGradientColoredAreas();
secondarySelectedGradientColoredAreas.setStyleAdaption(IPredefinedRenderingStyle.STYLE_ADAPTATION_DEFAULT);
final EList<GradientColoredArea> secondarySelectedGcas = secondarySelectedGradientColoredAreas.getGradientColor();
addGradientColoredArea(secondarySelectedGcas, "E5E5C2", 0, LocationType.LOCATION_TYPE_ABSOLUTE_START, "E5E5C2", 0, //$NON-NLS-1$ //$NON-NLS-2$
LocationType.LOCATION_TYPE_ABSOLUTE_END, diagram);
agca.getAdaptedGradientColoredAreas().add(IPredefinedRenderingStyle.STYLE_ADAPTATION_SECONDARY_SELECTED,
secondarySelectedGradientColoredAreas);
return agca;
}
protected static void addGradientColoredArea(EList<GradientColoredArea> gcas, String colorStart, int locationValueStart,
LocationType locationTypeStart, String colorEnd, int locationValueEnd, LocationType locationTypeEnd
, Diagram diagram) {
final GradientColoredArea gca = StylesFactory.eINSTANCE.createGradientColoredArea();
gcas.add(gca);
gca.setStart(StylesFactory.eINSTANCE.createGradientColoredLocation());
IGaService gaService = Graphiti.getGaService();
final Color startColor = gaService.manageColor(diagram, ColorUtil.getRedFromHex(colorStart)
, ColorUtil.getGreenFromHex(colorStart)
, ColorUtil.getBlueFromHex(colorStart));
gca.getStart().setColor(startColor);
// gca.getStart().setColor(StylesFactory.eINSTANCE.createColor());
// gca.getStart().getColor().setBlue(ColorUtil.getBlueFromHex(colorStart));
// gca.getStart().getColor().setGreen(ColorUtil.getGreenFromHex(colorStart));
// gca.getStart().getColor().setRed(ColorUtil.getRedFromHex(colorStart));
gca.getStart().setLocationType(locationTypeStart);
gca.getStart().setLocationValue(locationValueStart);
gca.setEnd(StylesFactory.eINSTANCE.createGradientColoredLocation());
final Color endColor = gaService.manageColor(diagram, ColorUtil.getRedFromHex(colorEnd)
, ColorUtil.getGreenFromHex(colorEnd)
, ColorUtil.getBlueFromHex(colorEnd));
gca.getEnd().setColor(endColor);
gca.getEnd().setLocationType(locationTypeEnd);
gca.getEnd().setLocationValue(locationValueEnd);
}
}