Thread: [CIShell-SVN] SF.net SVN: cishell: [215] trunk/clients/gui/org.cishell.reference.gui. persistence

SourceForge Headquarters 225 Broadway Suite 1600 San Diego, CA 92101 +1 (858) 422-6466

Revision: 215
          http://svn.sourceforge.net/cishell/?rev=215&view=rev
Author:   huangb
Date:     2006-09-28 12:11:20 -0700 (Thu, 28 Sep 2006)

Log Message:
-----------
initial version

Added Paths:
-----------
    trunk/clients/gui/org.cishell.reference.gui.persistence/.classpath
    trunk/clients/gui/org.cishell.reference.gui.persistence/.project
    trunk/clients/gui/org.cishell.reference.gui.persistence/.settings/
    trunk/clients/gui/org.cishell.reference.gui.persistence/.settings/org.eclipse.pde.core.prefs
    trunk/clients/gui/org.cishell.reference.gui.persistence/META-INF/
    trunk/clients/gui/org.cishell.reference.gui.persistence/META-INF/MANIFEST.MF
    trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/
    trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/l10n/
    trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/l10n/bundle_en.properties
    trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/load.properties
    trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/load.xml
    trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/metatype/
    trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/metatype/METADATA.XML
    trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/save.properties
    trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/save.xml
    trunk/clients/gui/org.cishell.reference.gui.persistence/build.properties
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/FileLoad.java
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/FileLoadFactory.java
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/LoadPersisterChooser.java
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/FileSaver.java
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/Save.java
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/SaveDataChooser.java
    trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/SaveFactory.java

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/.classpath
===================================================================

--- trunk/clients/gui/org.cishell.reference.gui.persistence/.classpath	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/.classpath	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/.project
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/.project	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/.project	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.cishell.reference.gui.persistence</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/.settings/org.eclipse.pde.core.prefs
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/.settings/org.eclipse.pde.core.prefs	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/.settings/org.eclipse.pde.core.prefs	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,3 @@
+#Wed Sep 27 14:27:31 EDT 2006
+eclipse.preferences.version=1
+pluginProject.extensions=false

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/META-INF/MANIFEST.MF
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/META-INF/MANIFEST.MF	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/META-INF/MANIFEST.MF	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,23 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Persistence Plug-in
+Bundle-SymbolicName: org.cishell.reference.gui.persistence
+Bundle-Version: 0.0.1
+Bundle-ClassPath: .
+Bundle-Localization: plugin
+Import-Package: org.cishell.app.service.datamanager,
+ org.cishell.framework,
+ org.cishell.framework.algorithm,
+ org.cishell.framework.data,
+ org.cishell.reference.gui.common,
+ org.cishell.service.conversion,
+ org.osgi.framework;version="1.3.0",
+ org.osgi.service.component;version="1.0.0",
+ org.osgi.service.log;version="1.3.0",
+ org.osgi.service.metatype;version="1.1.0",
+ org.osgi.service.prefs;version="1.1.0"
+X-AutoStart: true
+Service-Component: OSGI-INF/load.xml, OSGI-INF/save.xml
+Require-Bundle: org.eclipse.swt,
+ org.eclipse.ui
+ 

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/l10n/bundle_en.properties
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/l10n/bundle_en.properties	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/l10n/bundle_en.properties	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,7 @@
+#Localization variables for OSGI-INF/metatatype/METADATA.XML
+#
+#Samples:
+#input=Input
+#desc=Enter an integer (that will be converted to a string)
+#name=Input->String
+#name_desc=Converts inputted integer to string

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/load.properties
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/load.properties	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/load.properties	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,7 @@
+menu_path=file/additions/
+label=Load...
+description=This converter allows users to select file from the file system and load it to Data Model window
+in_data=null
+out_data=java.lang.Object
+service.pid=org.cishell.reference.gui.persistence.load.FileLoad
+remoteable=true

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/load.xml
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/load.xml	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/load.xml	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component name="org.cishell.reference.gui.persistence.load.FileLoad.component" immediate="false">
+	<implementation class="org.cishell.reference.gui.persistence.load.FileLoadFactory"/>
+	<properties entry="OSGI-INF/load.properties"/>
+	<reference name="LOG" interface="org.osgi.service.log.LogService"/>
+	<reference name="MTS" interface="org.osgi.service.metatype.MetaTypeService"/>
+	
+	<service>
+		<provide interface=
+			"org.cishell.framework.algorithm.AlgorithmFactory"/>
+	</service>
+</component>
\ No newline at end of file

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/metatype/METADATA.XML
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/metatype/METADATA.XML	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/metatype/METADATA.XML	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<metatype:MetaData xmlns:metatype="http://www.osgi.org/xmlns/metatype/v1.0.0">
+	<OCD name="File Load Converter" id="org.cishell.reference.gui.load.FileLoad.OCD"
+		 description="">
+	</OCD>
+	<Designate pid="org.cishell.reference.gui.load.FileLoad">
+		<Object ocdref="org.cishell.reference.gui.load.FileLoad.OCD" />
+	</Designate>
+</metatype:MetaData>

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/save.properties
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/save.properties	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/save.properties	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,7 @@
+menu_path=File/Save
+label=Save...
+description=Saves data to disk
+in_data=java.lang.Object
+out_data=file:*
+service.pid=org.cishell.reference.gui.persistence.save.Save
+remoteable=false

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/save.xml
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/save.xml	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/OSGI-INF/save.xml	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component name="org.cishell.reference.gui.persistence.save.Save.component" immediate="false">
+	<implementation class="org.cishell.reference.gui.persistence.save.SaveFactory"/>
+	<properties entry="OSGI-INF/save.properties"/>
+	<reference name="LOG" interface="org.osgi.service.log.LogService"/>
+	<reference name="MTS" interface="org.osgi.service.metatype.MetaTypeService"/>
+	
+	<service>
+		<provide interface=
+			"org.cishell.framework.algorithm.AlgorithmFactory"/>
+	</service>
+</component>
\ No newline at end of file

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/build.properties
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/build.properties	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/build.properties	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,4 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/FileLoad.java
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/FileLoad.java	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/FileLoad.java	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,163 @@
+package org.cishell.reference.gui.persistence.load;
+
+import java.io.File;
+import java.util.ArrayList;
+
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.viewers.ISelection;
+
+
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.log.LogService;
+
+import org.cishell.framework.CIShellContext;
+import org.cishell.framework.algorithm.AlgorithmFactory;
+import org.cishell.framework.algorithm.Algorithm;
+import org.cishell.framework.data.Data;
+import org.cishell.framework.data.BasicData;
+
+/* 
+ * @author Weixia(Bonnie) Huang (hu...@in...)
+ */
+public class FileLoad implements Algorithm{
+
+    private static File currentDir;
+    private final LogService logger;
+    private final BundleContext bContext;
+    private CIShellContext ciContext;
+    
+    public FileLoad(CIShellContext ciContext, BundleContext bContext) {
+        this.ciContext = ciContext;
+        this.bContext = bContext;
+        logger = (LogService) ciContext.getService(LogService.class.getName());
+    }
+ 
+    public void selectionChanged(IAction action, ISelection selection) {
+
+    }
+    
+    public Data[] execute() {
+//    	int counter = PlatformUI.getWorkbench().getWorkbenchWindowCount();
+//    	System.out.println("counter is "+counter);
+//      ?? why getActiveWorkbenchWindow() didn't work??
+    	Data[] returnDM;
+    	final IWorkbenchWindow[] windows = PlatformUI.getWorkbench().getWorkbenchWindows();
+    	if (windows.length ==0){
+    		System.out.println("windows[0] is null!!");
+    		return null;
+    	}
+    
+    	Display display = PlatformUI.getWorkbench().getDisplay();
+    	DataUpdater dataUpdater = new DataUpdater (windows[0]);
+    	display.syncExec(dataUpdater);
+    	if (!dataUpdater.returnList.isEmpty()){
+    		int size = dataUpdater.returnList.size();
+    		returnDM = new Data[size];
+    		for(int index=0; index<size; index++){
+    			returnDM[index]=(Data)dataUpdater.returnList.get(index);
+    		}
+    		return returnDM;
+    	}
+    	else {    		
+//   		logger.log(LogService.LOG_INFO, "Did not load any data...");
+    		return null;
+    	}
+    	
+    }
+    
+	public static String getFileExtension(File theFile) {
+	    String fileName = theFile.getName() ;
+	    String extension ;
+		if (fileName.lastIndexOf(".") != -1)
+		    extension = fileName.substring(fileName.lastIndexOf(".")) ;
+		else
+		    extension = "" ;
+		return extension ;
+	}
+    
+    final class DataUpdater implements Runnable{
+    	IWorkbenchWindow window;
+    	ArrayList returnList = new ArrayList();
+    	
+    	DataUpdater (IWorkbenchWindow window){
+    		this.window = window;    		
+    	}    	
+    	
+    	public void run (){
+    	
+    	    	FileDialog dialog = new FileDialog(window.getShell(), SWT.OPEN);
+		        if (currentDir == null) {
+		            currentDir = new File(System.getProperty("user.dir") + File.separator + "sampledata" + File.separator + "anything");
+		        }
+		        dialog.setFilterPath(currentDir.getPath());
+		        dialog.setText("Select a File");
+		        String fileName = dialog.open();
+		        if (fileName == null) {
+		        	return;
+		        }
+		        
+		   		File file = new File(fileName);
+		        
+		   		if (file.isDirectory()) {
+		        	currentDir = file;
+		        } else {
+		        	currentDir = new File(file.getPath());
+		        }
+//		   		FileResourceDescriptor frd = new BasicFileResourceDescriptor(file);
+//	       		String fileExtension = frd.getFileExtension();
+		   		
+		   		String fileExtension = getFileExtension(file);
+	       		System.out.println("fileExtension = "+fileExtension);
+	       		String filter = "(&(type=converter)(in_data=file-ext:"+fileExtension+"))";
+		        try {
+
+		       		// set the properties for the resource descriptor.
+		       		// note that this relies on the fact that the compression is set
+		       		// to nocompression by default.
+
+		       		// get all the service references of converters that can load this type of file.
+//		       		ServiceReference[] serviceRefList = bContext.getServiceReferences(null, filter);
+		            ServiceReference[] serviceRefList = bContext.getAllServiceReferences(
+		                    AlgorithmFactory.class.getName(), filter);
+	        		
+
+		       		// no converters found means the file format is not supported
+		       		if (serviceRefList == null || serviceRefList.length == 0){
+	        			//log "The file format is not supported"
+		       			logger.log(LogService.LOG_INFO, "Sorry, the file format: *"+fileExtension+" is not supported so far.");
+		           		return;
+	        		}
+		       		
+	    			//<filename>[.<data model type>][.<index>]
+	    			// only one persister found, so load the model
+		       		if (serviceRefList.length == 1){
+	        			logger.log(LogService.LOG_INFO, "Loaded: "+file.getPath());
+	        			AlgorithmFactory persister = (AlgorithmFactory)bContext.getService(serviceRefList[0]);
+	    	            Data[] dm = new Data[]{new BasicData(file.getPath(), String.class.getName()) };
+	    	            dm = persister.createAlgorithm(dm, null, ciContext).execute();
+	    	            for (int i=0; i<dm.length; i++)
+	    	            	returnList.add(dm[i]);
+		    			return;	
+		    			
+	        		}
+	  
+	        		// lots of persisters found, return the chooser
+		       		new LoadPersisterChooser("Load", file, window.getShell(), 
+	    							ciContext, bContext, serviceRefList, returnList).open();			
+	
+
+	        	}catch (Exception e){
+	        		e.printStackTrace();    	
+	        	}
+
+			}//end run()
+    } //end class
+    	
+
+}
\ No newline at end of file

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/FileLoadFactory.java
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/FileLoadFactory.java	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/FileLoadFactory.java	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,35 @@
+package org.cishell.reference.gui.persistence.load;
+
+//standard java
+import java.util.Dictionary;
+
+//osgi
+import org.osgi.framework.BundleContext;
+import org.osgi.service.component.ComponentContext;
+import org.osgi.service.metatype.MetaTypeProvider;
+
+//cishell
+import org.cishell.framework.CIShellContext;
+import org.cishell.framework.algorithm.Algorithm;
+import org.cishell.framework.algorithm.AlgorithmFactory;
+import org.cishell.framework.data.Data;
+
+/* 
+ * @author Weixia(Bonnie) Huang (hu...@in...)
+ */
+public class FileLoadFactory implements AlgorithmFactory {
+    private BundleContext bcontext;
+
+    protected void activate(ComponentContext ctxt) {
+        bcontext = ctxt.getBundleContext();
+    }
+    protected void deactivate(ComponentContext ctxt) {}
+
+    public Algorithm createAlgorithm(Data[] data, Dictionary parameters, CIShellContext context) {
+        return new FileLoad(context, bcontext);
+    }
+    public MetaTypeProvider createParameters(Data[] data) {
+        return null;
+    }
+    
+}
\ No newline at end of file

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/LoadPersisterChooser.java
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/LoadPersisterChooser.java	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/load/LoadPersisterChooser.java	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,201 @@
+/* 
+ * InfoVis CyberInfrastructure: A Data-Code-Compute Resource for Research
+ * and Education in Information Visualization (http://iv.slis.indiana.edu/).
+ * 
+ * Created on Jan 24, 2005 at Indiana University.
+ */
+package org.cishell.reference.gui.persistence.load;
+
+import java.util.ArrayList;
+import java.io.File;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.StyleRange;
+import org.eclipse.swt.custom.StyledText;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.swt.widgets.List;
+import org.eclipse.swt.widgets.Shell;
+
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.log.LogService;
+
+import org.cishell.framework.CIShellContext;
+import org.cishell.framework.algorithm.AlgorithmFactory;
+import org.cishell.framework.data.BasicData;
+import org.cishell.framework.data.Data;
+
+import org.cishell.reference.gui.common.AbstractDialog;
+
+/**
+ *
+ * @author Team IVC (Weixia Huang, James Ellis)
+ */
+public class LoadPersisterChooser extends AbstractDialog {
+    private File theFile;
+    private LogService logger;
+    
+    private ServiceReference[] persisterArray;
+    private List persisterList;
+    private StyledText detailPane;
+    private CIShellContext ciContext;
+    private BundleContext bContext;
+    private ArrayList returnList;
+    
+    private static final String[] details_prop_names = 
+	{"format_name", "supported_file_extension", "format_description", 
+			"restorable_model_name", "restorable_model_description" };
+    private static final String[] details_prop_name_descriptions = 
+    	{"Format name", "Supported file extension", "Format description", 
+    			"Restorable model name", "Restorable model description" };
+    
+    public LoadPersisterChooser(String title, File theFile, 
+    			Shell parent, CIShellContext ciContext, BundleContext bContext, 
+    			ServiceReference[] persisterArray, ArrayList returnList){
+        super(parent, title, AbstractDialog.QUESTION);
+        this.ciContext = ciContext;
+        this.bContext = bContext;
+        this.persisterArray = persisterArray;
+        this.returnList = returnList;
+        
+        this.theFile = theFile;
+        
+        this.logger = (LogService) ciContext.getService(LogService.class.getName());
+//shall this part be moved out of the code?
+        setDescription("The file you have selected can be loaded"
+                + " using the following formats.\n"
+                + "Please select one of them.");
+        setDetails("This dialog allows the user to choose among all available " +
+        		"formats for loading the selected data model.  Choose any of the formats " +
+        		"to continue loading the dataset.");
+    }    
+    
+    private Composite initGUI(Composite parent) {        
+        Composite content = new Composite(parent, SWT.NONE);
+        
+        GridLayout layout = new GridLayout();
+        layout.numColumns = 2;        
+        content.setLayout(layout);        
+               
+        Group persisterGroup = new Group(content, SWT.NONE);
+//shall this label be moved out of the code?
+        persisterGroup.setText("Loaded by");
+        persisterGroup.setLayout(new FillLayout());        
+        GridData persisterListGridData = new GridData(GridData.FILL_BOTH);
+        persisterListGridData.widthHint = 200;
+        persisterGroup.setLayoutData(persisterListGridData);
+        
+        persisterList = new List(persisterGroup, SWT.H_SCROLL |SWT.V_SCROLL | SWT.SINGLE);
+//        initPersisterArray();
+        initPersisterList();
+        persisterList.addSelectionListener(new SelectionAdapter(){
+            public void widgetSelected(SelectionEvent e) {
+                List list = (List)e.getSource();
+                int selection = list.getSelectionIndex();
+                if(selection != -1){                    
+                    updateDetailPane(persisterArray[selection]);
+                }                
+            }                      
+        });
+        
+        Group detailsGroup = new Group(content, SWT.NONE);
+// shall this label be moved out of the code?    
+        detailsGroup.setText("Details");       
+        detailsGroup.setLayout(new FillLayout());        
+        GridData detailsGridData = new GridData(GridData.FILL_BOTH);
+        detailsGridData.widthHint = 200;
+        detailsGroup.setLayoutData(detailsGridData);
+        
+        detailPane = initDetailPane(detailsGroup);
+
+        persisterList.setSelection(0);
+        updateDetailPane(persisterArray[0]);
+        
+        return content;
+    }
+    
+    private void initPersisterList(){        
+        for (int i = 0; i < persisterArray.length; ++i) {
+        	
+        	String name = (String)persisterArray[i].getProperty("converter_name");
+
+        	// if someone was sloppy enough to not provide a name, then use the
+            // name of the class instead.
+            if (name == null || name.length() == 0)
+                name = persisterArray[i].getClass().getName();
+            persisterList.add(name);
+        }
+    }
+
+  
+    private StyledText initDetailPane(Group detailsGroup) {
+        StyledText detailPane = new StyledText(detailsGroup, SWT.H_SCROLL | SWT.V_SCROLL);
+        detailPane.setEditable(false);
+        detailPane.getCaret().setVisible(false);
+        return detailPane;
+    }
+    
+    private void updateDetailPane(ServiceReference persister) {
+    
+        detailPane.setText("");
+        System.out.println("length="+details_prop_names.length);
+        for (int i=0; i<details_prop_names.length; i++){
+           	String val = (String) persister.getProperty(details_prop_names[i]);
+            
+            StyleRange styleRange = new StyleRange();
+        	styleRange.start = detailPane.getText().length();
+            detailPane.append(details_prop_name_descriptions[i] + ":\n");                            	
+        	styleRange.length = details_prop_names[i].length() + 1;
+        	styleRange.fontStyle = SWT.BOLD;
+        	detailPane.setStyleRange(styleRange);
+        	
+            detailPane.append(val + "\n");               
+
+        }
+    
+    }    
+    
+    private void selectionMade(int selectedIndex) {
+    	
+		logger.log(LogService.LOG_INFO, "Loaded: "+theFile.getPath());
+    	AlgorithmFactory persister =(AlgorithmFactory) bContext.getService(persisterArray[selectedIndex]);
+    	Data[] dm = new Data[]{new BasicData(theFile.getPath(),String.class.getName())};
+    	dm = persister.createAlgorithm(dm, null, ciContext).execute();
+    	for(int i = 0; i<dm.length; i++){
+    		returnList.add(dm[i]);
+    	}
+        close(true); 
+    }
+
+    public void createDialogButtons(Composite parent) {
+        Button select = new Button(parent, SWT.PUSH);
+        select.setText("Select");
+        select.addSelectionListener(new SelectionAdapter(){
+            public void widgetSelected(SelectionEvent e) {
+                int index = persisterList.getSelectionIndex();
+                if(index != -1){
+                    selectionMade(index);
+                }
+            }
+        });
+        
+        Button cancel = new Button(parent, SWT.NONE);
+        cancel.setText("Cancel");
+        cancel.addSelectionListener(new SelectionAdapter(){
+            public void widgetSelected(SelectionEvent e) {
+                close(false);
+            }
+        });
+    }
+
+    public Composite createContent(Composite parent) {
+        return initGUI(parent);
+    }
+}

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/FileSaver.java
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/FileSaver.java	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/FileSaver.java	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,130 @@
+/*
+ * Created on Aug 19, 2004
+ */
+package org.cishell.reference.gui.persistence.save;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+
+import org.cishell.framework.CIShellContext;
+import org.cishell.framework.algorithm.AlgorithmProperty;
+import org.cishell.framework.data.Data;
+import org.cishell.service.conversion.Converter;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Shell;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.log.LogService;
+
+/**
+ * @author Team IVC
+ */
+public class FileSaver {
+    private static File currentDir;
+
+    private Shell parent;
+    private LogService logService;
+    private CIShellContext ciContext;
+
+    public FileSaver(Shell parent, CIShellContext context){
+        this.parent = parent;
+        this.ciContext = context;
+        this.logService = (LogService) ciContext.getService(LogService.class.getName());
+    }       
+
+    private boolean confirmFileOverwrite(File file) {
+        String message = "The file:\n" + file.getPath()
+            + "\nalready exists. Are you sure you want to overwrite it?";
+        logService.log(LogService.LOG_INFO, "Confirm File Overwrite: " + message);
+        return true;
+    }
+
+    private boolean isSaveFileValid(File file) {
+        boolean valid = false;
+        if (file.isDirectory()) {
+            String message = "Destination cannot be a directory. Please choose a file";
+            logService.log(LogService.LOG_ERROR, "Invalid Destination: " + message);
+            valid = false;
+        } else if (file.exists()) {
+            valid = confirmFileOverwrite(file);
+        }
+        else
+            valid = true ;
+        return valid;
+    }
+
+    public boolean save(Converter converter, Data data) {
+    	ServiceReference[] serviceReferenceArray = converter.getConverterChain();
+    	String outDataStr = (String)serviceReferenceArray[serviceReferenceArray.length-1]
+    	                                              .getProperty(AlgorithmProperty.OUT_DATA);
+
+    	String ext = outDataStr.substring(outDataStr.indexOf(':')+1);
+        
+        FileDialog dialog = new FileDialog(parent, SWT.SAVE);
+        
+        if (currentDir == null) {
+            currentDir = new File(System.getProperty("user.home"));
+        }
+        dialog.setFilterPath(currentDir.getPath());
+        
+        dialog.setFilterExtensions(new String[]{"*" + ext});
+        dialog.setText("Choose File");   
+        dialog.setFileName((String)data.getMetaData().get(AlgorithmProperty.LABEL));
+
+        boolean done = false;
+        
+        while (!done) {        
+            String fileName = dialog.open();
+            if (fileName != null) {
+                File selectedFile = new File(fileName);
+                if (!isSaveFileValid(selectedFile))
+                    continue;
+                if (ext != null && ext.length() != 0)
+                    if (!selectedFile.getPath().endsWith(ext))
+                        selectedFile = new File(selectedFile.getPath() + ext) ;
+
+                Data newData = converter.convert(data);
+                
+                copy((File)newData.getData(), selectedFile);
+                
+                if (selectedFile.isDirectory()) {
+                	currentDir = selectedFile;
+                } else {
+                	currentDir = new File(selectedFile.getParent());
+                }
+                    
+                done = true ;
+                
+                logService.log(LogService.LOG_INFO, "File saved: " + selectedFile.getPath() + "\n");
+                //DataManagerService dms = (DataManagerService)context.getService(DataManagerService.class.getName());
+                //dms.addData(data);
+            } else {
+                logService.log(LogService.LOG_INFO, "File save cancelled.\n");
+                done = true;
+                return false;
+            }            
+        }
+        return true;
+    }
+    
+    private boolean copy(File in, File out) {
+    	try {
+    		FileInputStream  fis = new FileInputStream(in);
+    		FileOutputStream fos = new FileOutputStream(out);
+    		
+    		FileChannel readableChannel = fis.getChannel();
+    		FileChannel writableChannel = fos.getChannel();
+    		
+    		writableChannel.truncate(0);
+    		writableChannel.transferFrom(readableChannel, 0, readableChannel.size());
+    		return true;
+    	}
+    	catch (IOException ioe) {
+            logService.log(LogService.LOG_ERROR, ioe.getMessage());
+            return false;
+    	}
+    }
+}
\ No newline at end of file

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/Save.java
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/Save.java	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/Save.java	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,67 @@
+package org.cishell.reference.gui.persistence.save;
+
+import java.util.Dictionary;
+
+import org.cishell.framework.CIShellContext;
+import org.cishell.framework.algorithm.Algorithm;
+import org.cishell.framework.data.Data;
+import org.cishell.service.conversion.Converter;
+import org.cishell.service.conversion.DataConversionService;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.PlatformUI;
+import org.osgi.service.log.LogService;
+
+public class Save implements Algorithm {
+    Data[] data;
+    Dictionary parameters;
+    CIShellContext context;
+    
+    final Shell parentShell;
+    
+    DataConversionService conversionManager;
+    LogService logService;
+    
+    public Save(Data[] data, Dictionary parameters, CIShellContext context) {
+        this.data = data;
+        this.parameters = parameters;
+        this.context = context;
+        
+        parentShell = PlatformUI.getWorkbench().getWorkbenchWindows()[0].getShell();
+
+        conversionManager = (DataConversionService) context.getService(
+        		DataConversionService.class.getName());
+        
+        logService = (LogService)context.getService(LogService.class.getName());
+    }
+
+    public Data[] execute() {
+    	//This only checks the first Data in the array
+    	final Converter[] converters = conversionManager.findConverters(data[0], "file-ext:*");
+    	/*
+    	for (int i = 0; i < converters.length; ++i) {
+    		Dictionary dict = converters[i].getProperties();
+    		Object inDataObj  = dict.get(AlgorithmProperty.IN_DATA);
+    		Object outDataObj = dict.get(AlgorithmProperty.OUT_DATA);
+    	}
+    	*/
+    	if (converters.length < 1) {
+    		logService.log(LogService.LOG_ERROR, "No valid converters found!");
+    	}
+    	else {
+    		if (!parentShell.isDisposed()) {
+    			parentShell.getDisplay().syncExec(new Runnable() {
+    				public void run() {
+    					//Shell shell = new Shell(parentShell);
+    					SaveDataChooser sdc = new SaveDataChooser(data[0],
+    		    			                     			parentShell, converters,
+    		    			                     			"title",
+    		    			                     			Save.class.getName(),
+    		    			                     			context);
+    					sdc.createContent(parentShell);
+    					sdc.open();
+    				}});
+    		}
+    	}
+        return null;
+    }
+}
\ No newline at end of file

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/SaveDataChooser.java
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/SaveDataChooser.java	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/SaveDataChooser.java	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,220 @@
+/*
+ * InfoVis CyberInfrastructure: A Data-Code-Compute Resource for Research
+ * and Education in Information Visualization (http://iv.slis.indiana.edu/).
+ *
+ * Created on Jan 28, 2005 at Indiana University.
+ */
+package org.cishell.reference.gui.persistence.save;
+
+import java.util.Dictionary;
+import java.util.Enumeration;
+
+import org.cishell.framework.CIShellContext;
+import org.cishell.framework.algorithm.AlgorithmProperty;
+import org.cishell.framework.data.Data;
+import org.cishell.service.conversion.Converter;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.StyleRange;
+import org.eclipse.swt.custom.StyledText;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.swt.widgets.List;
+import org.eclipse.swt.widgets.Shell;
+
+import org.cishell.reference.gui.common.AbstractDialog;
+
+/**
+ * SavePersisterChooser is a simple user interface to allow for selection
+ * among several Persisters that support the selected model, in the event
+ * that more than one is found.
+ *
+ * @author Team IVC
+ */
+//public class SaveDataChooser extends Shell {
+public class SaveDataChooser extends AbstractDialog {
+    protected Data data;
+    protected Converter[] converterArray;
+    private List converterList;
+    private StyledText detailPane;
+    //private Shell parent;
+    CIShellContext context;
+    //private LogService logService;
+    public static final Image QUESTION = Display.getCurrent().getSystemImage(SWT.ICON_QUESTION);
+
+    /**
+     * Creates a new SavePersisterChooser object.
+     *
+     * @param title the desired Title of the SavePersisterChooser window
+     * @param model the model that this SavePersisterChooser is attempting to save
+     * @param window the IWorkbenchWindow that this SavePersisterChooser belongs to
+     * @param persisters the Persisters that can be used to save the given model
+     */
+    //public SaveDataChooser(String title, Data data, Shell parent, Data[] converterArray) {
+    public SaveDataChooser(Data data, Shell parent, Converter[] converterArray,
+    						String title, String brandPluginID, CIShellContext context) {
+    	super(parent, title, QUESTION);
+        this.data = data;        
+        //this.parent = parent;
+        this.converterArray = converterArray;
+        this.context = context;
+        //this.logService = (LogService) context.getService(LogService.class.getName());
+    }   
+
+    /*
+     * Initialize the GUI for this SavePersisterChooser
+     */
+    private Composite initGUI(Composite parent) {
+        Composite content = new Composite(parent, SWT.NONE);
+        GridLayout layout = new GridLayout();
+        layout.numColumns = 2;
+        content.setLayout(layout);                
+        //parent.setLayout(layout);                
+
+        Group converterGroup = new Group(content, SWT.NONE);
+        converterGroup.setText("Pick the Output Data Type");
+        converterGroup.setLayout(new FillLayout());
+        GridData persisterData = new GridData(GridData.FILL_BOTH);
+        persisterData.widthHint = 200;
+        converterGroup.setLayoutData(persisterData);
+
+        converterList = new List(converterGroup, SWT.H_SCROLL | SWT.V_SCROLL | SWT.SINGLE);
+        initConverterList();
+        converterList.addSelectionListener(new SelectionAdapter() {
+                public void widgetSelected(SelectionEvent e) {
+                    List list = (List) e.getSource();
+                    int selection = list.getSelectionIndex();
+
+                    if (selection != -1) {
+                        updateDetailPane(converterArray[selection]);
+                    }
+                }
+            });
+
+        Group detailsGroup = new Group(content, SWT.NONE);
+        //Group detailsGroup = new Group(parent, SWT.NONE);
+        detailsGroup.setText("Details");
+        detailsGroup.setLayout(new FillLayout());        
+        GridData detailsData = new GridData(GridData.FILL_BOTH);
+        detailsData.widthHint = 200;
+        detailsGroup.setLayoutData(detailsData);
+        
+        detailPane = initDetailPane(detailsGroup);
+
+        //select the first item by default
+        converterList.setSelection(0);
+        updateDetailPane(converterArray[0]);
+        
+        return content;
+    }
+
+    /*
+     * Initialize the Listbox of Persisters using the stored Persister array
+     */
+    private void initConverterList() {
+        for (int i = 0; i < converterArray.length; ++i) {
+            Dictionary dict = converterArray[i].getProperties();
+
+            // get the name of the persister from the property map
+            String outData = (String) dict.get(AlgorithmProperty.LABEL);
+
+            // if someone was sloppy enough to not provide a name, then use the
+            // name of the class instead.
+            if ((outData == null) || (outData.length() == 0)) {
+                outData = converterArray[i].getClass().getName();
+            }
+
+            converterList.add(outData);
+        }
+    }
+
+    /*
+     * Sets up the DetailPane where the details from the Persister PropertyMaps are displayed. 
+     */
+    private StyledText initDetailPane(Group detailsGroup) {
+        StyledText detailPane = new StyledText(detailsGroup, SWT.H_SCROLL | SWT.V_SCROLL);
+        detailPane.setEditable(false);
+        detailPane.getCaret().setVisible(false);
+
+        return detailPane;
+    }
+
+    /*
+     * Changes the information displayed in the DetailsPane whenever a new Persister
+     * is selected.
+     */
+    private void updateDetailPane(Converter converter) {
+        Dictionary dict = converter.getProperties();
+        Enumeration keysEnum = dict.keys();
+
+        detailPane.setText("");
+
+        while (keysEnum.hasMoreElements()) {
+            Object key = keysEnum.nextElement();
+            Object val = dict.get(key);
+            //if(property.getAcceptableClass().equals(String.class)){
+	        //    String val = (String) dict.getPropertyValue(property);
+	
+            StyleRange styleRange = new StyleRange();
+            styleRange.start = detailPane.getText().length();
+            detailPane.append(key + ":\n");
+            styleRange.length = key.toString().length() + 1;
+            styleRange.fontStyle = SWT.BOLD;
+            detailPane.setStyleRange(styleRange);
+	
+            detailPane.append(val + "\n");
+            //}
+        }
+    }
+
+    /*
+     * When a Persister is chosen to Persist this model, this method handles the job
+     * of opening the FileSaver and saving the model.
+     */
+    protected void selectionMade(int selectedIndex) {
+        getShell().setVisible(false);
+        final Converter converter = converterArray[selectedIndex];
+        final FileSaver saver = new FileSaver(getShell(), context);
+        close(saver.save(converter, data));
+    }
+
+    public void createDialogButtons(Composite parent) {
+        Button select = new Button(parent, SWT.PUSH);
+        select.setText("Select");
+        select.addSelectionListener(new SelectionAdapter() {
+                public void widgetSelected(SelectionEvent e) {
+                    int index = converterList.getSelectionIndex();
+
+                    if (index != -1) {
+                        selectionMade(index);
+                    }
+                }
+            });
+
+        Button cancel = new Button(parent, SWT.NONE);
+        cancel.setText("Cancel");
+        cancel.addSelectionListener(new SelectionAdapter() {
+                public void widgetSelected(SelectionEvent e) {
+                    close(false);
+                }
+            });
+    }
+
+    public Composite createContent(Composite parent) {
+    	if (converterArray.length == 1) {
+            final FileSaver saver = new FileSaver((Shell)parent, context);
+            close(saver.save(converterArray[0], data));
+            return parent;
+    	}
+    	else {
+    		return initGUI(parent);
+    	}
+    }
+}

Added: trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/SaveFactory.java
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/SaveFactory.java	                        (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/save/SaveFactory.java	2006-09-28 19:11:20 UTC (rev 215)
@@ -0,0 +1,24 @@
+package org.cishell.reference.gui.persistence.save;
+
+import java.util.Dictionary;
+
+import org.cishell.framework.CIShellContext;
+import org.cishell.framework.algorithm.Algorithm;
+import org.cishell.framework.algorithm.AlgorithmFactory;
+import org.cishell.framework.data.Data;
+import org.osgi.service.component.ComponentContext;
+import org.osgi.service.metatype.MetaTypeProvider;
+
+
+public class SaveFactory implements AlgorithmFactory {
+
+    protected void activate(ComponentContext ctxt) {}
+    protected void deactivate(ComponentContext ctxt) {}
+
+    public Algorithm createAlgorithm(Data[] data, Dictionary parameters, CIShellContext context) {
+        return new Save(data, parameters, context);
+    }
+    public MetaTypeProvider createParameters(Data[] data) {
+        return null;
+    }
+}
\ No newline at end of file


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Thread: [CIShell-SVN] SF.net SVN: cishell: [215] trunk/clients/gui/org.cishell.reference.gui. persistence

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