Bug 498365 - Add collapse all to Debug ViewI20191015-1800

Change-Id: I0c1febb5633fe00e2892664cdcb4778a1ef8d474
Signed-off-by: Sarika Sinha <sarika.sinha@in.ibm.com>

3 files changed, 131 insertions, 2 deletions

diff --git a/org.eclipse.debug.ui/plugin.properties b/org.eclipse.debug.ui/plugin.properties
index 8c23489a4..43bc3bd37 100644
--- a/org.eclipse.debug.ui/plugin.properties
+++ b/org.eclipse.debug.ui/plugin.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2000, 2017 IBM Corporation and others.
+# Copyright (c) 2000, 2019 IBM Corporation and others.
 #
 # This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License 2.0
@@ -116,6 +116,8 @@ RemoveAllBreakpointsAction.tooltip=Remove All Breakpoints
 RemoveAllExpressionsAction.tooltip=Remove All Expressions
 RemoveAllTerminatedAction.label=Remove &All Terminated
 RemoveAllTerminatedAction.tooltip=Remove All Terminated Launches
+CollapseAllAction.label=Collapse All
+CollapseAllAction.tooltip=Collapse All
 RemoveBreakpointAction.tooltip=Remove Selected Breakpoints
 RemoveExpressionAction.tooltip=Remove Selected Expressions
 ResumeAction.label=Resu&me
diff --git a/org.eclipse.debug.ui/plugin.xml b/org.eclipse.debug.ui/plugin.xml
index 94107c87b..1f9528ec2 100644
--- a/org.eclipse.debug.ui/plugin.xml
+++ b/org.eclipse.debug.ui/plugin.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?eclipse version="3.0"?>
 <!--
-     Copyright (c) 2005, 2018 IBM Corporation and others.
+     Copyright (c) 2005, 2019 IBM Corporation and others.
 
      This program and the accompanying materials
      are made available under the terms of the Eclipse Public License 2.0
@@ -776,6 +776,17 @@
                label="%RemoveAllTerminatedAction.label"
                tooltip="%RemoveAllTerminatedAction.tooltip">
          </action>
+         <action
+               id="org.eclipse.debug.ui.debugview.toolbar.collapseAll"
+               toolbarPath="threadGroup"
+               hoverIcon="$nl$/icons/full/elcl16/collapseall.png"
+               class="org.eclipse.debug.internal.ui.actions.LaunchCollapseAllAction"
+               disabledIcon="$nl$/icons/full/dlcl16/collapseall.png"
+               icon="$nl$/icons/full/elcl16/collapseall.png"
+               helpContextId="collapse_all_action_context"
+               label="%CollapseAllAction.label"
+               tooltip="%CollapseAllAction.tooltip">
+         </action>
       </viewContribution>
      
 <!-- Contributions to Breakpoints View Toolbar -->
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/LaunchCollapseAllAction.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/LaunchCollapseAllAction.java
new file mode 100644
index 000000000..fcd2067a4
--- /dev/null
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/LaunchCollapseAllAction.java
@@ -0,0 +1,116 @@
+/*******************************************************************************
+ * Copyright (c) 2019 IBM Corporation and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.internal.ui.actions;
+
+import org.eclipse.debug.core.DebugPlugin;
+import org.eclipse.debug.core.ILaunch;
+import org.eclipse.debug.core.ILaunchesListener2;
+import org.eclipse.debug.internal.ui.viewers.model.provisional.TreeModelViewer;
+import org.eclipse.debug.internal.ui.views.launch.LaunchView;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.handlers.CollapseAllHandler;
+
+/**
+ * CollapseAllAction for Debug Launch view
+ */
+public class LaunchCollapseAllAction extends AbstractRemoveAllActionDelegate implements ILaunchesListener2 {
+
+	private IViewPart fView;
+	private TreeModelViewer fViewer;
+
+	@Override
+	public void init(IViewPart view) {
+		fView = view;
+		LaunchView debugView = getView().getAdapter(LaunchView.class);
+		if (debugView != null) {
+			debugView.setAction(getActionId(), getAction());
+		}
+		Viewer viewer = ((LaunchView) getView()).getViewer();
+		if (viewer instanceof TreeModelViewer) {
+			fViewer = (TreeModelViewer) viewer;
+		}
+		super.init(view);
+	}
+
+	private IViewPart getView() {
+		return fView;
+	}
+
+	private String getActionId() {
+		return CollapseAllHandler.COMMAND_ID;
+	}
+
+
+	@Override
+	public void run(IAction action) {
+		if (!(getView() instanceof LaunchView)) {
+			return;
+		}
+		if (fViewer != null) {
+			try {
+				fViewer.getControl().setRedraw(false);
+				fViewer.collapseAll();
+			} finally {
+				fViewer.getControl().setRedraw(true);
+			}
+		}
+	}
+
+	@Override
+	protected void initialize() {
+		DebugPlugin.getDefault().getLaunchManager().addLaunchListener(this);
+	}
+
+	@Override
+	public void dispose() {
+		super.dispose();
+		DebugPlugin.getDefault().getLaunchManager().removeLaunchListener(this);
+	}
+
+	@Override
+	protected boolean isEnabled() {
+		if (!(getView() instanceof LaunchView)) {
+			return false;
+		}
+		if (fViewer != null && fViewer.getInput() != null) {
+			ILaunch[] launches = DebugPlugin.getDefault().getLaunchManager().getLaunches();
+			if (launches != null && launches.length > 0) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	@Override
+	public void launchesRemoved(ILaunch[] launches) {
+		update();
+	}
+
+	@Override
+	public void launchesAdded(ILaunch[] launches) {
+		update();
+	}
+
+	@Override
+	public void launchesChanged(ILaunch[] launches) {
+		// nothing to do
+	}
+
+	@Override
+	public void launchesTerminated(ILaunch[] launches) {
+		// nothing to do
+	}
+}