--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysmodelmgr/com.symbian.smt.gui/src/com/symbian/smt/gui/OpenFileAction.java	Thu Mar 11 19:08:43 2010 +0200
@@ -0,0 +1,113 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+
+
+package com.symbian.smt.gui;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.part.FileEditorInput;
+
+/**
+ * @author barbararosi-schwartz
+ * 
+ */
+public class OpenFileAction extends Action {
+
+	IWorkbenchPage page;
+	ISelectionProvider selectionProvider;
+
+	public OpenFileAction(IWorkbenchPage page,
+			ISelectionProvider selectionProvider) {
+		this.page = page;
+		this.selectionProvider = selectionProvider;
+
+		setText("Open");
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.eclipse.jface.action.Action#isEnabled()
+	 */
+	@Override
+	public boolean isEnabled() {
+		ISelection selection = selectionProvider.getSelection();
+
+		if (!selection.isEmpty()) {
+			IStructuredSelection ssel = (IStructuredSelection) selection;
+
+			if (ssel.size() > 1) {
+				return false;
+			}
+
+			IResource resource = (IResource) ssel.getFirstElement();
+
+			if (resource instanceof IFile) {
+				try {
+					return !isResourceMarkedAsUrl((IFile) resource);
+				} catch (CoreException e) {
+					return false;
+				}
+			}
+		}
+
+		return false;
+	}
+
+	private boolean isResourceMarkedAsUrl(IFile file) throws CoreException {
+		IMarker[] messageMarkers = file.findMarkers(IMarker.TASK, false,
+				IResource.DEPTH_ZERO);
+
+		for (int i = 0; i < messageMarkers.length; i++) {
+			IMarker marker = messageMarkers[i];
+
+			if (marker.getAttribute(ManageResources.IS_URL, false)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.eclipse.jface.action.Action#run()
+	 */
+	@Override
+	public void run() {
+		IStructuredSelection ssel = (IStructuredSelection) selectionProvider
+				.getSelection();
+		IFile file = (IFile) ssel.getFirstElement();
+
+		try {
+			page.openEditor(new FileEditorInput(file),
+					"com.symbian.smt.gui.editors.xmleditor.XMLEditor", true);
+		} catch (PartInitException e) {
+			Logger.log(e.getMessage(), e);
+		}
+	}
+
+}