# HG changeset patch
# User Eugene Ostroukhov <eugeneo@symbian.org>
# Date 1267232103 28800
# Node ID 4cb21ecdda8326e06581b6e13c9271b0a7c18679
# Parent  ee3db195dcef08f82b418dcf5aa7425c94b4ec08
Bug 2073 - On restart of WRT tools - its hard to know which project the open file is in

diff -r ee3db195dcef -r 4cb21ecdda83 org.symbian.tools.wrttools/plugin.xml
--- a/org.symbian.tools.wrttools/plugin.xml	Fri Feb 26 13:21:29 2010 -0800
+++ b/org.symbian.tools.wrttools/plugin.xml	Fri Feb 26 16:55:03 2010 -0800
@@ -359,7 +359,9 @@
           isRoot="true"
           pattern="org.symbian.tools.wrttools.navigatorcontent"/>
 				<contentExtension pattern="org.eclipse.ui.navigator.resources.filters.*" />
-				<contentExtension pattern="org.eclipse.ui.navigator.resources.linkHelper" />
+				<contentExtension
+          isRoot="true"
+          pattern="org.symbian.tools.wrttools.wrtLinkHelper"/>
 			</includes>
 		</viewerContentBinding>
 		<viewerActionBinding viewerId="org.symbian.tools.wrttools.wrtnavigator">
@@ -623,4 +625,29 @@
           label="wrt, webruntime, web runtime, cwrt">
     </keyword>
  </extension>
+ <extension
+       point="org.eclipse.ui.navigator.linkHelper">
+    <linkHelper
+          class="org.symbian.tools.wrttools.navigator.WrtNavigatorLinkHelper"
+          id="org.symbian.tools.wrttools.wrtLinkHelper">
+       <editorInputEnablement>
+          <adapt
+                type="org.eclipse.ui.IFileEditorInput">
+          </adapt>
+       </editorInputEnablement>
+       <selectionEnablement>
+          <or>
+             <adapt
+                   type="org.eclipse.wst.jsdt.core.IJavaScriptElement">
+             </adapt>
+             <instanceof
+                   value="java.util.Collection">
+             </instanceof>
+             <adapt
+                   type="org.eclipse.core.resources.IResource">
+             </adapt>
+          </or>
+       </selectionEnablement>
+    </linkHelper>
+ </extension>
 </plugin>
diff -r ee3db195dcef -r 4cb21ecdda83 org.symbian.tools.wrttools/src/org/symbian/tools/wrttools/navigator/WRTNavigatorContentProvider.java
--- a/org.symbian.tools.wrttools/src/org/symbian/tools/wrttools/navigator/WRTNavigatorContentProvider.java	Fri Feb 26 13:21:29 2010 -0800
+++ b/org.symbian.tools.wrttools/src/org/symbian/tools/wrttools/navigator/WRTNavigatorContentProvider.java	Fri Feb 26 16:55:03 2010 -0800
@@ -2,8 +2,8 @@
 
 import java.util.Collection;
 import java.util.Comparator;
-import java.util.TreeSet;
 
+import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IFolder;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.IResourceChangeEvent;
@@ -117,7 +117,7 @@
 		}
 	}
 
-	private IResourceChangeListener listener = new IResourceChangeListener() {
+	private final IResourceChangeListener listener = new IResourceChangeListener() {
 		public void resourceChanged(IResourceChangeEvent event) {
 			IResource refresh = null;
 			if (event.getDelta() != null) {
@@ -144,33 +144,16 @@
 		super.dispose();
 	}
 
-	private Object[] filter(IResource[] members) {
-		TreeSet<Object> output = new TreeSet<Object>(
-				new TreeElementsComparator());
-		for (int i = 0; i < members.length; i++) {
-			IResource resource = members[i];
-			Object res = resource;
-			if (resource.getType() == IResource.FILE) {
-				IJavaScriptElement element = JavaScriptCore.create(resource);
-				if (element != null) {
-					res = element;
-				}
-			}
-			output.add(res);
-		}
-		return output.toArray();
-	}
-
 	@Override
 	protected Object[] getFolderContent(IFolder folder) throws CoreException {
-		return filter(folder.members());
+        return folder.members();
 	}
 
 	@Override
 	protected Object[] getPackageFragmentRoots(IJavaScriptProject project)
 			throws JavaScriptModelException {
 		try {
-			return filter(project.getProject().members());
+            return project.getProject().members();
 		} catch (CoreException e) {
 			Activator.log(e);
 		}
@@ -227,4 +210,16 @@
 			}
 		});
 	}
+
+    @Override
+    public Object[] getChildren(Object parentElement) {
+        if (parentElement instanceof IFile) {
+            IFile file = (IFile) parentElement;
+            IJavaScriptElement element = JavaScriptCore.create(file);
+            if (element != null) {
+                return super.getChildren(element);
+            }
+        }
+        return super.getChildren(parentElement);
+    }
 }
diff -r ee3db195dcef -r 4cb21ecdda83 org.symbian.tools.wrttools/src/org/symbian/tools/wrttools/navigator/WrtNavigatorLinkHelper.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.symbian.tools.wrttools/src/org/symbian/tools/wrttools/navigator/WrtNavigatorLinkHelper.java	Fri Feb 26 16:55:03 2010 -0800
@@ -0,0 +1,84 @@
+/**
+ * Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of the License "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Symbian Foundation - initial contribution.
+ * Contributors:
+ * Description:
+ * Overview:
+ * Details:
+ * Platforms/Drives/Compatibility:
+ * Assumptions/Requirement/Pre-requisites:
+ * Failures and causes:
+ */
+package org.symbian.tools.wrttools.navigator;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorReference;
+import org.eclipse.ui.IFileEditorInput;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.navigator.ILinkHelper;
+import org.eclipse.wst.jsdt.core.IJavaScriptElement;
+import org.symbian.tools.wrttools.Activator;
+
+public class WrtNavigatorLinkHelper implements ILinkHelper {
+
+    public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
+        IResource selection = filter(aSelection.toArray());
+        if (selection == null) {
+            return;
+        }
+        IEditorReference[] references = aPage.getEditorReferences();
+        for (IEditorReference editorReference : references) {
+            IEditorInput input;
+            try {
+                input = editorReference.getEditorInput();
+                Object resource = input.getAdapter(IResource.class);
+                if (resource != null && selection.equals(resource)) {
+                    IWorkbenchPart part = editorReference.getPart(true);
+                    if (part != null) {
+                        aPage.activate(part);
+                    }
+                    return;
+                }
+            } catch (PartInitException e) {
+                Activator.log(e);
+            }
+        }
+    }
+
+    private IResource filter(Object[] array) {
+        IResource selection = null;
+        for (Object object : array) {
+            IResource resource = null;
+            if (object instanceof IResource) {
+                resource = (IResource) object;
+            } else if (object instanceof IJavaScriptElement) {
+                resource = ((IJavaScriptElement) object).getResource();
+            }
+            if (selection == null) {
+                selection = resource;
+            } else if (!selection.equals(resource)) {
+                return null;
+            }
+        }
+        return selection;
+    }
+
+    public IStructuredSelection findSelection(IEditorInput anInput) {
+        final IFileEditorInput input = (IFileEditorInput) anInput.getAdapter(IFileEditorInput.class);
+        IFile file = input.getFile();
+        return new StructuredSelection(file);
+    }
+}