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authorJan-Philipp Steghöfer2020-12-03 11:41:59 +0000
committerJan-Philipp Stegh??fer2020-12-03 12:36:27 +0000
commitccd9c109fe1c8b22989de649718426583fe69f02 (patch)
treee129a0d8a7b4775df4ab365b62a98f1b010727c9
parent4d8aa1cfcc0993cd4190065d584a89320e1cdd7d (diff)
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Added ability to lock current diagram to PlantUML view
This commit adds a new entry in the Capra PlantUML View context menu that allows to lock the current diagram, i.e., preventing the diagram from updating if the selection changes. This can be helpful, e.g., when working with change impact analysis where the graph should remain visible when opening other artifacts.
-rw-r--r--bundles/org.eclipse.capra.ui.plantuml/OSGI-INF/l10n/bundle.properties2
-rw-r--r--bundles/org.eclipse.capra.ui.plantuml/plugin.xml18
-rw-r--r--bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/DiagramTextProviderHandler.java19
-rw-r--r--bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/ToggleLockDiagramHandler.java74
-rw-r--r--bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/views/CapraPlantUmlView.java7
5 files changed, 120 insertions, 0 deletions
diff --git a/bundles/org.eclipse.capra.ui.plantuml/OSGI-INF/l10n/bundle.properties b/bundles/org.eclipse.capra.ui.plantuml/OSGI-INF/l10n/bundle.properties
index ac886f92..accf529d 100644
--- a/bundles/org.eclipse.capra.ui.plantuml/OSGI-INF/l10n/bundle.properties
+++ b/bundles/org.eclipse.capra.ui.plantuml/OSGI-INF/l10n/bundle.properties
@@ -24,5 +24,7 @@ command.name.relationshipTypes = Select relationship types
command.label.relationshipTypes= Select relationship types
command.name.depth = Set transitivity depth
command.label.depth = Set transitivity depth
+command.name.lock = Lock current diagram
+command.label.lock = Lock current diagram
Bundle-Vendor = Eclipse Capra
Bundle-Name = Eclipse Capra Trace Visualisation Support (PlantUML)
diff --git a/bundles/org.eclipse.capra.ui.plantuml/plugin.xml b/bundles/org.eclipse.capra.ui.plantuml/plugin.xml
index 34b10b53..ffe6730a 100644
--- a/bundles/org.eclipse.capra.ui.plantuml/plugin.xml
+++ b/bundles/org.eclipse.capra.ui.plantuml/plugin.xml
@@ -18,6 +18,7 @@
<extension
point="net.sourceforge.plantuml.eclipse.diagramTextProvider">
<diagramTextProvider
+ id="org.eclipse.capra.ui.plantuml.diagramTextProviderHandler"
providerClass="org.eclipse.capra.ui.plantuml.DiagramTextProviderHandler">
</diagramTextProvider>
</extension>
@@ -68,6 +69,14 @@
id="org.eclipse.capra.ui.plantuml.transitivtyDepth"
name="%command.name.depth">
</command>
+ <command
+ id="org.eclipse.capra.ui.plantuml.lockDiagram"
+ name="%command.name.lock">
+ <state
+ class="org.eclipse.jface.commands.ToggleState"
+ id="org.eclipse.ui.commands.toggleState">
+ </state>
+ </command>
</extension>
<extension
point="org.eclipse.ui.handlers">
@@ -91,6 +100,10 @@
class="org.eclipse.capra.ui.plantuml.TransitivityDepthHandler"
commandId="org.eclipse.capra.ui.plantuml.transitivtyDepth">
</handler>
+ <handler
+ class="org.eclipse.capra.ui.plantuml.ToggleLockDiagramHandler"
+ commandId="org.eclipse.capra.ui.plantuml.lockDiagram">
+ </handler>
</extension>
<extension
point="org.eclipse.ui.menus">
@@ -121,6 +134,11 @@
label="%command.label.depth"
style="push">
</command>
+ <command
+ commandId="org.eclipse.capra.ui.plantuml.lockDiagram"
+ label="%command.name.lock"
+ style="toggle">
+ </command>
</menuContribution>
</extension>
diff --git a/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/DiagramTextProviderHandler.java b/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/DiagramTextProviderHandler.java
index 05284936..1dea2012 100644
--- a/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/DiagramTextProviderHandler.java
+++ b/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/DiagramTextProviderHandler.java
@@ -27,6 +27,7 @@ import org.eclipse.capra.core.helpers.ArtifactHelper;
import org.eclipse.capra.core.helpers.EMFHelper;
import org.eclipse.capra.core.helpers.ExtensionPointHelper;
import org.eclipse.capra.ui.helpers.SelectionSupportHelper;
+import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
@@ -34,6 +35,7 @@ import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPart;
+import org.osgi.service.prefs.Preferences;
import net.sourceforge.plantuml.eclipse.utils.DiagramTextProvider;
import net.sourceforge.plantuml.eclipse.views.PlantUmlView;
@@ -47,6 +49,11 @@ import net.sourceforge.plantuml.eclipse.views.PlantUmlView;
public class DiagramTextProviderHandler implements DiagramTextProvider {
private EObject artifactModel = null;
+ private boolean isLockDiagram() {
+ Preferences preferences = InstanceScope.INSTANCE.getNode("org.eclipse.capra.ui.plantuml.lockDiagram");
+ return preferences.node("lockDiagram").getBoolean("option", false);
+ }
+
@Override
public String getDiagramText(IEditorPart editor, ISelection input) {
return (getDiagramText((IWorkbenchPart) editor, input));
@@ -231,11 +238,19 @@ public class DiagramTextProviderHandler implements DiagramTextProvider {
@Override
public boolean supportsEditor(IEditorPart editor) {
+ // This is a work around to disable update of the diagram if the view is locked.
+ if (isLockDiagram()) {
+ return false;
+ }
return true;
}
@Override
public boolean supportsView(IViewPart part) {
+ // This is a work around to disable update of the diagram if the view is locked.
+ if (isLockDiagram()) {
+ return false;
+ }
if (part instanceof PlantUmlView) {
return false;
}
@@ -244,6 +259,10 @@ public class DiagramTextProviderHandler implements DiagramTextProvider {
@Override
public boolean supportsSelection(ISelection selection) {
+ // This is a work around to disable update of the diagram if the view is locked.
+ if (isLockDiagram()) {
+ return false;
+ }
return true;
}
diff --git a/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/ToggleLockDiagramHandler.java b/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/ToggleLockDiagramHandler.java
new file mode 100644
index 00000000..23f7bd40
--- /dev/null
+++ b/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/ToggleLockDiagramHandler.java
@@ -0,0 +1,74 @@
+/*******************************************************************************
+ * Copyright (c) 2016, 2020 Chalmers | University of Gothenburg, rt-labs and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v20.html
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ * Chalmers | University of Gothenburg and rt-labs - initial API and implementation and/or initial documentation
+ * Chalmers | University of Gothenburg - additional features, updated API
+ *******************************************************************************/
+package org.eclipse.capra.ui.plantuml;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.Command;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.runtime.preferences.InstanceScope;
+import org.eclipse.ui.handlers.HandlerUtil;
+import org.osgi.service.prefs.BackingStoreException;
+import org.osgi.service.prefs.Preferences;
+
+/**
+ * Toggles between locking the view and updating it when new elements are
+ * selected.
+ *
+ * @author Jan-Philipp Steghöfer
+ */
+public class ToggleLockDiagramHandler extends AbstractHandler {
+
+ @Override
+ public Object execute(ExecutionEvent event) throws ExecutionException {
+ Command command = event.getCommand();
+ boolean oldValue = HandlerUtil.toggleCommandState(command);
+ setlockDiagram(!oldValue);
+ return null;
+ }
+
+ /**
+ * Checks whether the view should be locked and thus not refreshed.
+ *
+ * @return {@code true} if the lock is enabled, {@code false} otherwise
+ */
+ public static boolean isLockDiagram() {
+ Preferences lockDiagram = getPreference();
+ return lockDiagram.getBoolean("option", false);
+ }
+
+ private static Preferences getPreference() {
+ Preferences preferences = InstanceScope.INSTANCE.getNode("org.eclipse.capra.ui.plantuml.lockDiagram");
+ return preferences.node("lockDiagram");
+ }
+
+ /**
+ * Sets whether the trace view is locked and should thus not be refreshed when
+ * new elements are selected.
+ *
+ * @param value {@code true} if the view is locked, {@code false} otherwise
+ *
+ */
+ public static void setlockDiagram(boolean value) {
+ Preferences transitivity = getPreference();
+ transitivity.putBoolean("option", value);
+
+ try {
+ // forces the application to save the preferences
+ transitivity.flush();
+ } catch (BackingStoreException e) {
+ e.printStackTrace();
+ }
+ }
+} \ No newline at end of file
diff --git a/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/views/CapraPlantUmlView.java b/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/views/CapraPlantUmlView.java
index 0df9b3eb..6cf2bb9d 100644
--- a/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/views/CapraPlantUmlView.java
+++ b/bundles/org.eclipse.capra.ui.plantuml/src/org/eclipse/capra/ui/plantuml/views/CapraPlantUmlView.java
@@ -14,6 +14,7 @@
package org.eclipse.capra.ui.plantuml.views;
import org.eclipse.capra.ui.plantuml.ToggleDisplayGraphHandler;
+import org.eclipse.capra.ui.plantuml.ToggleLockDiagramHandler;
import org.eclipse.capra.ui.plantuml.ToggleTransitivityHandler;
import org.eclipse.core.commands.Command;
import org.eclipse.swt.widgets.Composite;
@@ -41,5 +42,11 @@ public class CapraPlantUmlView extends PlantUmlView {
displayGraph.getState("org.eclipse.ui.commands.toggleState")
.setValue(ToggleDisplayGraphHandler.isDisplayGraph());
}
+ Command lockDiagram = cmdService.getCommand("org.eclipse.capra.ui.plantuml.lockDiagram");
+ if (lockDiagram != null) {
+ lockDiagram.getState("org.eclipse.ui.commands.toggleState")
+ .setValue(ToggleLockDiagramHandler.isLockDiagram());
+ }
+
}
}

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