Add command an UI to reload the QML Analyzer.

This is just a temporary thing while we're developing it.

Change-Id: Id83fac1fa22f451ead2de8493a4c7457320b8008

qt/org.eclipse.cdt.qt.ui/plugin.xml

@@ -88,4 +88,56 @@
              type="org.eclipse.cdt.qt.core.launchConfigurationType">
        </launchConfigurationTabGroup>
     </extension>
+    <extension
+          point="org.eclipse.ui.handlers">
+       <handler
+             class="org.eclipse.cdt.qt.ui.handlers.ReloadAnalyzerHandler"
+             commandId="org.eclipse.cdt.qt.ui.commands.sampleCommand">
+       </handler>
+    </extension>
+    <extension
+          point="org.eclipse.ui.bindings">
+       <key
+             commandId="org.eclipse.cdt.qt.ui.commands.sampleCommand"
+             contextId="org.eclipse.ui.contexts.window"
+             schemeId="org.eclipse.ui.defaultAcceleratorConfiguration"
+             sequence="M1+6">
+       </key>
+    </extension>
+    <extension
+          point="org.eclipse.ui.menus">
+       <menuContribution
+             locationURI="menu:help">
+          <command
+                commandId="org.eclipse.cdt.qt.ui.commands.sampleCommand"
+                id="org.eclipse.cdt.qt.ui.menus.sampleCommand"
+                mnemonic="R"
+                style="push">
+          </command>
+       </menuContribution>
+       <menuContribution
+             locationURI="toolbar:org.eclipse.ui.main.toolbar?after=additions">
+          <toolbar
+                id="org.eclipse.cdt.qt.ui.toolbars.sampleToolbar">
+             <command
+                   commandId="org.eclipse.cdt.qt.ui.commands.sampleCommand"
+                   icon="icons/sample.gif"
+                   id="org.eclipse.cdt.qt.ui.toolbars.sampleCommand"
+                   tooltip="Reloads the QML Anayzer Tern Server">
+             </command>
+          </toolbar>
+       </menuContribution>
+    </extension>
+    <extension
+          point="org.eclipse.ui.commands">
+       <category
+             id="org.eclipse.cdt.qt.ui.commands.category"
+             name="Qt Commands">
+       </category>
+       <command
+             categoryId="org.eclipse.cdt.qt.ui.commands.category"
+             id="org.eclipse.cdt.qt.ui.commands.sampleCommand"
+             name="Reload QML Analyzer">
+       </command>
+    </extension>
 </plugin>

qt/org.eclipse.cdt.qt.ui/src/org/eclipse/cdt/qt/ui/handlers/ReloadAnalyzerHandler.java

@@ -0,0 +1,47 @@
+/*******************************************************************************
+ * Copyright (c) 2015 QNX Software Systems and others.
+ * 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
+ *******************************************************************************/
+package org.eclipse.cdt.qt.ui.handlers;
+
+import java.io.IOException;
+
+import javax.script.ScriptException;
+
+import org.eclipse.cdt.internal.qt.core.Activator;
+import org.eclipse.cdt.qt.core.QMLAnalyzer;
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+
+/**
+ * Our sample handler extends AbstractHandler, an IHandler base class.
+ * 
+ * @see org.eclipse.core.commands.IHandler
+ * @see org.eclipse.core.commands.AbstractHandler
+ */
+public class ReloadAnalyzerHandler extends AbstractHandler {
+
+	@Override
+	public Object execute(ExecutionEvent event) throws ExecutionException {
+		new Job("Reload QML Analyzer") {
+			@Override
+			protected IStatus run(IProgressMonitor monitor) {
+				try {
+					Activator.getService(QMLAnalyzer.class).load();
+				} catch (NoSuchMethodException | ScriptException | IOException e) {
+					return Activator.error("Reloading QML Analyzer", e);
+				}
+				return Status.OK_STATUS;
+			}
+		}.schedule();
+		return Status.OK_STATUS;
+	}
+}