Bug 382928 - Introduce factory method(s) for easier gradient creation
Change-Id: Ie70f26dbcc43fbb0f3762072170b228d70846135
diff --git a/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/diagram/FilesystemFeatureProvider.java b/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/diagram/FilesystemFeatureProvider.java
index fa71605..8141a4b 100644
--- a/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/diagram/FilesystemFeatureProvider.java
+++ b/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/diagram/FilesystemFeatureProvider.java
@@ -9,22 +9,35 @@
*
* Contributors:
* SAP AG - initial API, implementation and documentation
+ * cbrand - Bug 382928 - Introduce factory method(s) for easier gradient creation
*
* </copyright>
*/
package org.eclipse.graphiti.examples.filesystem.diagram;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
import org.eclipse.graphiti.dt.IDiagramTypeProvider;
import org.eclipse.graphiti.examples.filesystem.features.AddContainmentConnectionFeature;
import org.eclipse.graphiti.examples.filesystem.features.CreateContainmentConnectionFeature;
+import org.eclipse.graphiti.examples.filesystem.features.GradientColorFeature;
import org.eclipse.graphiti.examples.filesystem.patterns.FolderPattern;
+import org.eclipse.graphiti.examples.filesystem.ui.FilesystemPredefinedColoredAreas;
import org.eclipse.graphiti.features.IAddFeature;
import org.eclipse.graphiti.features.ICreateConnectionFeature;
import org.eclipse.graphiti.features.context.IAddConnectionContext;
import org.eclipse.graphiti.features.context.IAddContext;
+import org.eclipse.graphiti.features.context.ICustomContext;
+import org.eclipse.graphiti.features.custom.ICustomFeature;
import org.eclipse.graphiti.pattern.DefaultFeatureProviderWithPatterns;
+import org.eclipse.graphiti.util.IPredefinedRenderingStyle;
public class FilesystemFeatureProvider extends DefaultFeatureProviderWithPatterns {
+ static List<String> ALL_GRADIENT_IDS = Arrays.asList(FilesystemPredefinedColoredAreas.GREEN_WHITE_ID,
+ FilesystemPredefinedColoredAreas.RED_WHITE_ID, IPredefinedRenderingStyle.BLUE_WHITE_ID,
+ IPredefinedRenderingStyle.BLUE_WHITE_GLOSS_ID);
public FilesystemFeatureProvider(IDiagramTypeProvider dtp) {
super(dtp);
@@ -43,4 +56,15 @@
}
return super.getAddFeature(context);
}
-}
+
+ @Override
+ public ICustomFeature[] getCustomFeatures(ICustomContext context) {
+ ICustomFeature[] ret = super.getCustomFeatures(context);
+ List<ICustomFeature> retList = new ArrayList<ICustomFeature>();
+ for (String gid : ALL_GRADIENT_IDS) {
+ retList.add(new GradientColorFeature(this, gid));
+ }
+ ret = retList.toArray(ret);
+ return ret;
+ }
+}
\ No newline at end of file
diff --git a/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/diagram/FilesystemToolBehaviorProvider.java b/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/diagram/FilesystemToolBehaviorProvider.java
index 1323511..f62d3b2 100644
--- a/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/diagram/FilesystemToolBehaviorProvider.java
+++ b/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/diagram/FilesystemToolBehaviorProvider.java
@@ -9,16 +9,25 @@
*
* Contributors:
* SAP AG - initial API, implementation and documentation
+ * cbrand - Bug 382928 - Introduce factory method(s) for easier gradient creation
*
* </copyright>
*/
package org.eclipse.graphiti.examples.filesystem.diagram;
+import java.util.ArrayList;
+import java.util.List;
+
import org.eclipse.graphiti.dt.IDiagramTypeProvider;
+import org.eclipse.graphiti.examples.filesystem.features.GradientColorFeature;
import org.eclipse.graphiti.examples.mm.filesystem.Folder;
+import org.eclipse.graphiti.features.context.ICustomContext;
+import org.eclipse.graphiti.features.custom.ICustomFeature;
import org.eclipse.graphiti.mm.pictograms.PictogramElement;
import org.eclipse.graphiti.mm.pictograms.Shape;
+import org.eclipse.graphiti.tb.ContextMenuEntry;
import org.eclipse.graphiti.tb.DefaultToolBehaviorProvider;
+import org.eclipse.graphiti.tb.IContextMenuEntry;
import org.eclipse.graphiti.tb.IToolBehaviorProvider;
import org.eclipse.graphiti.util.ILocationInfo;
import org.eclipse.graphiti.util.LocationInfo;
@@ -37,4 +46,32 @@
}
return super.getLocationInfo(pe, locationInfo);
}
+
+ @Override
+ public IContextMenuEntry[] getContextMenu(ICustomContext context) {
+ IContextMenuEntry[] ret = NO_CONTEXT_MENU_ENTRIES;
+ List<IContextMenuEntry> retList = new ArrayList<IContextMenuEntry>();
+ // custom features
+ ICustomContext customContext = context;
+ ICustomFeature[] customFeatures = getFeatureProvider().getCustomFeatures(customContext);
+
+ // menu groups
+ ContextMenuEntry changeGradientColorEntry = null;
+
+ for (int i = 0; i < customFeatures.length; i++) {
+ ICustomFeature customFeature = customFeatures[i];
+ ContextMenuEntry contextMenuEntry = new ContextMenuEntry(customFeature, context);
+ if (customFeature instanceof GradientColorFeature) {
+ if (changeGradientColorEntry == null) {
+ changeGradientColorEntry = new ContextMenuEntry(null, null);
+ changeGradientColorEntry.setSubmenu(true);
+ changeGradientColorEntry.setText("Gradient Color");
+ changeGradientColorEntry.setDescription("Change Gradient Color");
+ retList.add(changeGradientColorEntry);
+ }
+ changeGradientColorEntry.add(contextMenuEntry);
+ }
+ }
+ return retList.toArray(ret);
+ }
}
diff --git a/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/features/GradientColorFeature.java b/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/features/GradientColorFeature.java
new file mode 100644
index 0000000..6d1d845
--- /dev/null
+++ b/examples/org.eclipse.graphiti.examples.filesystem/src/org/eclipse/graphiti/examples/filesystem/features/GradientColorFeature.java
@@ -0,0 +1,107 @@
+/*******************************************************************************
+ * <copyright>
+ *
+ * Copyright (c) 2012 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
+ * cbrand - Bug 382928 - Introduce factory method(s) for easier gradient creation
+ *
+ * </copyright>
+ *
+ *******************************************************************************/
+/*
+ * Created on 8/31/2012
+ */
+package org.eclipse.graphiti.examples.filesystem.features;
+
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.graphiti.examples.filesystem.ui.FilesystemPredefinedColoredAreas;
+import org.eclipse.graphiti.features.IFeatureProvider;
+import org.eclipse.graphiti.features.context.ICustomContext;
+import org.eclipse.graphiti.features.custom.AbstractCustomFeature;
+import org.eclipse.graphiti.mm.algorithms.GraphicsAlgorithm;
+import org.eclipse.graphiti.mm.algorithms.RoundedRectangle;
+import org.eclipse.graphiti.mm.algorithms.styles.AdaptedGradientColoredAreas;
+import org.eclipse.graphiti.mm.pictograms.PictogramElement;
+import org.eclipse.graphiti.services.Graphiti;
+
+/**
+ * The Class GradientColorFeature.
+ */
+public class GradientColorFeature extends AbstractCustomFeature {
+
+ private static final String DESCRIPTION = "Select Gradient";
+ private final String gradientId;
+
+ /**
+ * The Constructor.
+ *
+ * @param fp
+ * the fp
+ */
+ public GradientColorFeature(IFeatureProvider fp, String gradientId) {
+ super(fp);
+ this.gradientId = gradientId;
+ }
+
+ @Override
+ public String getDescription() {
+ return DESCRIPTION + ": " + gradientId;
+ }
+
+ @Override
+ public String getName() {
+ return gradientId;
+ }
+
+ @Override
+ public boolean canExecute(ICustomContext context) {
+ AdaptedGradientColoredAreas coloredAreas = FilesystemPredefinedColoredAreas
+ .getAdaptedGradientColoredAreas(gradientId);
+ if (coloredAreas == null) {
+ return false;
+ }
+
+ PictogramElement[] pes = context.getPictogramElements();
+ if (pes != null && pes.length >= 1) {
+ GraphicsAlgorithm ga = pes[0].getGraphicsAlgorithm();
+ if (ga != null) {
+ for (GraphicsAlgorithm innerGa : ga.getGraphicsAlgorithmChildren()) {
+ if (innerGa == null) {
+ return false;
+ }
+ }
+ return true;
+ }
+ }
+ return false;
+ }
+
+ public void execute(ICustomContext context) {
+ PictogramElement[] pes = context.getPictogramElements();
+ if (pes != null && pes.length >= 1) {
+ for (int i = 0; i < pes.length; i++) {
+ PictogramElement pe = pes[i];
+ GraphicsAlgorithm currentGa = pe.getGraphicsAlgorithm();
+
+ // change color of inner GAs instead of the outer invsible one
+ EList<GraphicsAlgorithm> gaChildren = currentGa.getGraphicsAlgorithmChildren();
+ for (GraphicsAlgorithm innerGa : gaChildren) {
+ // only the rectangles, not the text GA
+ if (innerGa instanceof RoundedRectangle) {
+ // each GA has to have colored areas of his own; reason:
+ // aggregation in the metamodel
+ AdaptedGradientColoredAreas ca = FilesystemPredefinedColoredAreas
+ .getAdaptedGradientColoredAreas(gradientId);
+ Graphiti.getGaService().setRenderingStyle(innerGa, ca);
+ }
+ }
+ }
+ }
+ }
+}
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