View export functionality. Layout still needs work though.

ExapusRAP/src/exapus/gui/views/store/StoreView.java

@@ -1,5 +1,10 @@
 package exapus.gui.views.store;
 
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import javax.xml.bind.JAXBException;
+
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.dialogs.IInputValidator;
 import org.eclipse.jface.dialogs.InputDialog;
@@ -11,10 +16,14 @@
 import org.eclipse.jface.viewers.ListViewer;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.window.Window;
+import org.eclipse.rwt.RWT;
+import org.eclipse.rwt.widgets.ExternalBrowser;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.browser.Browser;
 import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.ISharedImages;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.PartInitException;
@@ -23,16 +32,23 @@
 
 import exapus.gui.editors.view.ViewEditor;
 import exapus.gui.editors.view.ViewEditorInput;
+import exapus.gui.util.Util;
 import exapus.model.store.Store;
 import exapus.model.view.Perspective;
 import exapus.model.view.View;
 
 public class StoreView extends ViewPart implements IDoubleClickListener {
 
+	static {
+		RWT.getServiceManager().registerServiceHandler(ViewDownloadServiceHandler.ID, new ViewDownloadServiceHandler());
+	}
+
 	public static final String ID = "exapus.gui.views.store.StoreView";
 
 	private ListViewer listView;
 
+	private Browser hidden;
+
 	private String promptForUniqueViewName(String dialogTitle) {
 		IInputValidator viewNameValidator = new IInputValidator() {
 			@Override
@@ -50,7 +66,7 @@ public String isValid(String newText) {
 		else
 			return null;
 	}
-	
+
 	@Override
 	public void createPartControl(final Composite parent) {
 		parent.setLayout(new FillLayout());
@@ -59,20 +75,25 @@ public void createPartControl(final Composite parent) {
 		listView.addDoubleClickListener(this);
 		listView.setInput(Store.getCurrent());	
 
+		hidden = new Browser(parent, SWT.NONE);
+		hidden.setVisible(false);
+		hidden.setSize(0, 0);
+
+
 		Action newViewAction = new Action() {
 			@Override
 			public void run() {
 				String name = promptForUniqueViewName("Create new view");
 				if(name != null) 
 					Store.getCurrent().registerView(new View(name,Perspective.PROJECT_CENTRIC));
-					
+
 			}			
 		};
 		newViewAction.setText("Create new view");
 		newViewAction.setId("exapus.gui.views.store.actions.NewViewAction");
-		newViewAction.setImageDescriptor(getImageDescriptor(ISharedImages.IMG_TOOL_NEW_WIZARD));
+		newViewAction.setImageDescriptor(getImageDescriptor("add.gif"));
 		registerAction(newViewAction);
-		
+
 		final Action duplicateViewAction = new Action() {
 			@Override
 			public void run() {
@@ -93,7 +114,7 @@ public void run() {
 		};
 		duplicateViewAction.setText("Duplicate selected view");
 		duplicateViewAction.setId("exapus.gui.views.store.actions.DuplicateViewAction");
-		duplicateViewAction.setImageDescriptor(getImageDescriptor(ISharedImages.IMG_TOOL_COPY));
+		duplicateViewAction.setImageDescriptor(getImageDescriptor("clone_el.gif"));
 		duplicateViewAction.setEnabled(false);
 		registerAction(duplicateViewAction);
 		listView.addSelectionChangedListener(new ISelectionChangedListener() {			
@@ -102,7 +123,54 @@ public void selectionChanged(SelectionChangedEvent event) {
 				duplicateViewAction.setEnabled(!event.getSelection().isEmpty());
 			}
 		});
-
+
+
+		final Action saveViewAction = new Action() {
+			@Override
+			public void run() {
+				IStructuredSelection selection = (IStructuredSelection) listView.getSelection();
+				if(selection.isEmpty())
+					return;
+				Object selected = selection.getFirstElement();
+				if(selected instanceof View) {
+					View selectedView = (View) selected;
+					String url = ViewDownloadServiceHandler.viewDownloadUrl(selectedView.getName());
+					hidden.setUrl(url);
+				}
+			}						
+		};
+		saveViewAction.setText("Export selected view");
+		saveViewAction.setId("exapus.gui.views.store.actions.ExportViewAction");
+		saveViewAction.setImageDescriptor(getImageDescriptor("export.gif"));
+		saveViewAction.setEnabled(false);
+		registerAction(saveViewAction);
+		listView.addSelectionChangedListener(new ISelectionChangedListener() {			
+			@Override
+			public void selectionChanged(SelectionChangedEvent event) {
+				saveViewAction.setEnabled(!event.getSelection().isEmpty());
+			}
+		});
+
+		final Action loadViewAction = new Action() {
+			@Override
+			public void run() {
+				FileDialog fileDialog = new FileDialog(getSite().getShell(), SWT.TITLE | SWT.MULTI);
+				fileDialog.setText( "Upload view files (*.xml)");
+				fileDialog.setAutoUpload(true);
+				fileDialog.open();
+				String[] fileNames = fileDialog.getFileNames();
+				for(String fileName : fileNames)
+					System.out.println(fileName);
+			}						
+		};
+		loadViewAction.setText("Import view");
+		loadViewAction.setId("exapus.gui.views.store.actions.ImportViewAction");	
+		loadViewAction.setImageDescriptor(getImageDescriptor("import.gif"));
+		loadViewAction.setEnabled(true);
+		registerAction(loadViewAction);
+
+
+
 		final Action deleteViewAction = new Action() {
 			@Override
 			public void run() {
@@ -122,7 +190,7 @@ public void run() {
 		};
 		deleteViewAction.setText("Delete selected view");
 		deleteViewAction.setId("exapus.gui.views.store.actions.DeleteViewAction");
-		deleteViewAction.setImageDescriptor(getImageDescriptor(ISharedImages.IMG_TOOL_DELETE));
+		deleteViewAction.setImageDescriptor(getImageDescriptor("delete.gif"));
 		deleteViewAction.setEnabled(false);
 		registerAction(deleteViewAction);
 		listView.addSelectionChangedListener(new ISelectionChangedListener() {			
@@ -131,16 +199,16 @@ public void selectionChanged(SelectionChangedEvent event) {
 				deleteViewAction.setEnabled(!event.getSelection().isEmpty());
 			}
 		});
-		
+
 
 	}
 
 	@Override
 	public void setFocus() {
 		listView.getControl().setFocus();
 	}
-	
-	
+
+
 	private void openViewEditorOn(View v) {
 		IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
 		ViewEditorInput input = new ViewEditorInput(v.getName());
@@ -162,18 +230,18 @@ public void doubleClick(DoubleClickEvent event) {
 			openViewEditorOn((View) selected);
 		}
 	}
-	
+
 	private void registerAction(Action action) {
 		getViewSite().getActionBars().getToolBarManager().add(action);  
 	}
 
 	private IWorkbench getWorkBench() {
 		return getSite().getWorkbenchWindow().getWorkbench();
 	}
-	
+
 	private ImageDescriptor getImageDescriptor(String name) {
-		return getWorkBench().getSharedImages().getImageDescriptor(name);
+		return Util.getImageDescriptorFromPlugin(name);
 	}
-
+	
 
 }

ExapusRAP/src/exapus/gui/views/store/ViewDownloadServiceHandler.java

@@ -0,0 +1,49 @@
+package exapus.gui.views.store;
+
+import java.io.File;
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletResponse;
+
+import org.eclipse.rwt.RWT;
+import org.eclipse.rwt.service.IServiceHandler;
+
+import com.google.common.io.Files;
+
+import exapus.gui.editors.forest.graph.GraphViz;
+import exapus.model.store.Store;
+
+public class ViewDownloadServiceHandler implements IServiceHandler {
+
+	public static String ID = "viewDownloadServiceHandler";
+
+	public static String viewDownloadUrl(String viewName) {
+		StringBuilder url = new StringBuilder();
+		url.append(RWT.getRequest().getContextPath());
+		url.append(RWT.getRequest().getServletPath());
+		url.append("?");
+		url.append(IServiceHandler.REQUEST_PARAM );
+		url.append("="+ID);
+		url.append("&viewName=" );
+		url.append(viewName);
+		return RWT.getResponse().encodeURL(url.toString());
+	}
+
+
+	public void service() throws IOException, ServletException {
+		String viewName = RWT.getRequest().getParameter("viewName");
+		File xmlFile = Store.getCurrent().xmlForRegisteredView(viewName);
+		if(xmlFile != null) {
+			HttpServletResponse response = RWT.getResponse();
+			response.setContentType( "application/octet-stream" );
+			String contentDisposition = "attachment; filename=\"" + xmlFile.getName() + "\"";
+			response.setHeader("Content-Disposition", contentDisposition);
+			ServletOutputStream out = response.getOutputStream();
+			Files.copy(xmlFile, out);
+			out.close();
+		}
+	}
+}
+

ExapusRAP/src/exapus/model/store/Store.java

@@ -133,6 +133,15 @@ public File graphForRegisteredView(String name) {
 		return getView(name).draw();
 	}
 
+	public File xmlForRegisteredView(String name) {
+		try {
+			return getView(name).xml();
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+
 	// This file should be located in the same dir as eclipse.ini
 	// I.e., for Mac OS: PATH_TO_THE_ECLPSE_DIR/Eclipse.app/Contents/MacOS/
 	private static final String CONFIG_FILENAME = "config.properties";

ExapusRAP/src/exapus/model/view/View.java

@@ -5,6 +5,7 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import javax.xml.bind.JAXBException;
 import javax.xml.bind.annotation.XmlAttribute;
 import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlElementWrapper;
@@ -240,6 +241,9 @@ public static View fromView(View original) {
 		return duplicate;
 	}
 
-
+	public File xml() throws Exception {
+		 ViewWriter viewWriter = new ViewWriter(this);
+		 return viewWriter.writeTemporary();
+	}
 
 }

ExapusRAP/src/exapus/model/view/ViewWriter.java

@@ -1,6 +1,9 @@
 package exapus.model.view;
 
 import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
 import java.io.PrintStream;
 
 import javax.xml.bind.JAXBContext;
@@ -15,11 +18,17 @@ public ViewWriter(View view) {
 		this.view = view;
 	}
 
-	public void write(PrintStream s) throws JAXBException {
+	public void write(OutputStream s) throws JAXBException {
 	    JAXBContext context = JAXBContext.newInstance(View.class);
 	    Marshaller m = context.createMarshaller();
 	    m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
 	    m.marshal(view, s);
 	}
+
+	public File writeTemporary() throws IOException, JAXBException {
+		File xmlFile = File.createTempFile(view.getName(), ".xml");
+		this.write(new FileOutputStream(xmlFile));
+		return xmlFile;
+	}
 
 }