Create a Launch Shortuct for SystemTap scripts

This enables running SystemTap scripts through 'Run As'
from the context menu.

Change-Id: I57d4470f346c46f322fef4e61c33861de955ad59
Reviewed-on: https://git.eclipse.org/r/8148
Reviewed-by: Roland Grunberg <rgrunber@redhat.com>
IP-Clean: Roland Grunberg <rgrunber@redhat.com>
Tested-by: Roland Grunberg <rgrunber@redhat.com>

6 files changed, 180 insertions, 3 deletions

diff --git a/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/META-INF/MANIFEST.MF b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/META-INF/MANIFEST.MF
index 042494e595..a7cd4183e7 100644
--- a/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/META-INF/MANIFEST.MF
+++ b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/META-INF/MANIFEST.MF
@@ -18,7 +18,9 @@ Require-Bundle: org.eclipse.linuxtools.systemtap.ui.logging,
  org.eclipse.linuxtools.systemtap.ui.structures,
  org.eclipse.core.resources;bundle-version="3.4.1",
  org.eclipse.linuxtools.profiling.launch;bundle-version="0.11.0",
- org.eclipse.ui.ide
+ org.eclipse.ui.ide,
+ org.eclipse.debug.ui;bundle-version="3.8.0",
+ org.eclipse.core.expressions;bundle-version="3.4.400"
 Bundle-ActivationPolicy: lazy
 Import-Package: org.eclipse.core.filesystem,
  org.eclipse.linuxtools.systemtap.ui.structures,
diff --git a/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/plugin.xml b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/plugin.xml
index 4ada4bc457..7da709bf84 100644
--- a/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/plugin.xml
+++ b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/plugin.xml
@@ -281,4 +281,37 @@
           name="%wizard.name">
     </wizard>
  </extension>
+ <extension
+       point="org.eclipse.debug.ui.launchShortcuts">
+    <shortcut
+          class="org.eclipse.linuxtools.internal.systemtap.ui.ide.launcher.SystemTapScriptLaunchShortcut"
+          id="org.eclipse.linuxtools.systemtap.ui.ide.StapLaunchShortcut"
+          label="Systemtap Script"
+          modes="run">
+       <contextualLaunch>
+          <enablement>
+             <with
+                   variable="selection">
+                <count
+                      value="1">
+                </count>
+                <test
+                      forcePluginActivation="true"
+                      property="org.eclipse.linuxtools.systemtap.ui.ide.property.systemtap">
+                </test>
+             </with>
+          </enablement>
+       </contextualLaunch>
+    </shortcut>
+ </extension>
+ <extension
+       point="org.eclipse.core.expressions.propertyTesters">
+    <propertyTester
+          class="org.eclipse.linuxtools.internal.systemtap.ui.ide.launcher.SystemTapScriptTester"
+          id="org.eclipse.linuxtools.systemtap.ui.ide.propertyTester1"
+          namespace="org.eclipse.linuxtools.systemtap.ui.ide.property"
+          properties="systemtap"
+          type="java.util.Arrays$ArrayList">
+    </propertyTester>
+ </extension>
 </plugin>
diff --git a/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/internal/systemtap/ui/ide/actions/RunScriptByPathAction.java b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/internal/systemtap/ui/ide/actions/RunScriptByPathAction.java
new file mode 100644
index 0000000000..3d2a152c1f
--- /dev/null
+++ b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/internal/systemtap/ui/ide/actions/RunScriptByPathAction.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * 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:
+ *     Sami Wagiaalla
+ *******************************************************************************/
+
+package org.eclipse.linuxtools.internal.systemtap.ui.ide.actions;
+
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.linuxtools.internal.systemtap.ui.ide.launcher.SystemTapScriptTester;
+import org.eclipse.linuxtools.systemtap.ui.ide.actions.RunScriptAction;
+import org.eclipse.ui.IWorkbenchWindow;
+
+/**
+ * This is a child of {@link RunScriptAction} which alloes callers to run a
+ * script by only passing in the path to the script. An active editor is not
+ * needed
+ * 
+ * @author Sami Wagiaalla
+ * 
+ */
+public class RunScriptByPathAction extends RunScriptAction {
+
+	IPath path;
+
+	public void init(IWorkbenchWindow window, IPath path) {
+		super.init(window);
+		this.path = path;
+	}
+
+	@Override
+	protected boolean isValid() {
+		return this.getFilePath().endsWith(SystemTapScriptTester.STP_SUFFIX)
+				&& isValidDirectory(this.getFilePath());
+	}
+
+	@Override
+	protected String getFilePath() {
+		return this.path.toOSString();
+	}
+}
diff --git a/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/internal/systemtap/ui/ide/launcher/SystemTapScriptLaunchShortcut.java b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/internal/systemtap/ui/ide/launcher/SystemTapScriptLaunchShortcut.java
new file mode 100644
index 0000000000..cd78eea2bf
--- /dev/null
+++ b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/internal/systemtap/ui/ide/launcher/SystemTapScriptLaunchShortcut.java
@@ -0,0 +1,38 @@
+/*******************************************************************************
+ * 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:
+ *     Sami Wagiaalla
+ *******************************************************************************/
+
+package org.eclipse.linuxtools.internal.systemtap.ui.ide.launcher;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.debug.ui.ILaunchShortcut;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.TreeSelection;
+import org.eclipse.linuxtools.internal.systemtap.ui.ide.actions.RunScriptByPathAction;
+import org.eclipse.linuxtools.systemtap.ui.ide.actions.RunScriptAction;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.PlatformUI;
+
+public class SystemTapScriptLaunchShortcut implements ILaunchShortcut {
+
+	public void launch(IEditorPart editor, String mode) {
+		RunScriptAction action = new RunScriptAction();
+		action.init(editor.getSite().getWorkbenchWindow());
+		action.run();
+	}
+
+	public void launch(ISelection selection, String mode) {
+		RunScriptByPathAction action = new RunScriptByPathAction();
+		IPath path = ((IFile)((TreeSelection)selection).getFirstElement()).getLocation();
+		action.init(PlatformUI.getWorkbench().getActiveWorkbenchWindow(), path);
+		action.run();
+	}
+
+}
diff --git a/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/internal/systemtap/ui/ide/launcher/SystemTapScriptTester.java b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/internal/systemtap/ui/ide/launcher/SystemTapScriptTester.java
new file mode 100644
index 0000000000..253c47e40c
--- /dev/null
+++ b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/internal/systemtap/ui/ide/launcher/SystemTapScriptTester.java
@@ -0,0 +1,50 @@
+/*******************************************************************************
+ * 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:
+ *     Sami Wagiaalla
+ *******************************************************************************/
+
+package org.eclipse.linuxtools.internal.systemtap.ui.ide.launcher;
+
+import java.util.AbstractList;
+
+import org.eclipse.core.expressions.PropertyTester;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.linuxtools.systemtap.ui.editor.PathEditorInput;
+import org.eclipse.ui.part.FileEditorInput;
+
+public class SystemTapScriptTester extends PropertyTester {
+
+	public static final String STP_SUFFIX = ".stp";
+
+	public SystemTapScriptTester() {
+		// TODO Auto-generated constructor stub
+	}
+
+	public boolean test(Object receiver, String property, Object[] args,
+			Object expectedValue) {
+
+		@SuppressWarnings("unchecked")
+		AbstractList<Object> list = (AbstractList<Object>) receiver;
+		Object selectedObject = list.get(0);
+
+		if (selectedObject instanceof FileEditorInput){
+			return ((FileEditorInput) selectedObject).getPath().toString().endsWith(STP_SUFFIX);
+		}
+
+		if (selectedObject instanceof IFile){
+			return ((IFile)selectedObject).getName().endsWith(STP_SUFFIX);
+		}
+
+		if (selectedObject instanceof PathEditorInput){
+			return ((PathEditorInput)selectedObject).getPath().toString().endsWith(STP_SUFFIX);
+		}
+
+		return false;
+	}
+
+}
diff --git a/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/systemtap/ui/ide/actions/RunScriptAction.java b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/systemtap/ui/ide/actions/RunScriptAction.java
index 822c27e826..89356145eb 100644
--- a/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/systemtap/ui/ide/actions/RunScriptAction.java
+++ b/systemtap/org.eclipse.linuxtools.systemtap.ui.ide/src/org/eclipse/linuxtools/systemtap/ui/ide/actions/RunScriptAction.java
@@ -156,8 +156,17 @@ public class RunScriptAction extends Action implements IWorkbenchWindowActionDel
 		
 		return true;
 	}
-	
-	private boolean isValidDirectory(String fileName) {
+
+	/**
+	 * Checks whether the directory to which the given file
+	 * belongs is a valid directory. Currently this function just
+	 * checks if the given file does not belong to the tapset 
+	 * directory.
+	 * @param fileName
+	 * @return true if the given path is valid false otherwise.
+	 * @since 1.2
+	 */
+	protected boolean isValidDirectory(String fileName) {
 		this.fileName = fileName;
 		if(0 == IDESessionSettings.tapsetLocation.trim().length())
 			TapsetLibrary.getTapsetLocation(IDEPlugin.getDefault().getPreferenceStore());