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[CIShell-SVN] SF.net SVN: cishell: [267] trunk/clients/gui/org.cishell.reference.gui. persistence/src/org/cishell/reference/gui/persistence
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From: <hu...@us...> - 2006-10-11 20:44:24
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Revision: 267
http://svn.sourceforge.net/cishell/?rev=267&view=rev
Author: huangb
Date: 2006-10-11 13:44:18 -0700 (Wed, 11 Oct 2006)
Log Message:
-----------
initial version
Added Paths:
-----------
trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/
trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/FileView.java
trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/FileViewFactory.java
trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/ViewDataChooser.java
Added: trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/FileView.java
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/FileView.java (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/FileView.java 2006-10-11 20:44:18 UTC (rev 267)
@@ -0,0 +1,177 @@
+package org.cishell.reference.gui.persistence.view;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+import java.util.Dictionary;
+
+import org.osgi.service.log.LogService;
+
+import org.eclipse.swt.program.Program;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.IWorkbenchWindow;
+
+import org.cishell.framework.CIShellContext;
+import org.cishell.framework.algorithm.Algorithm;
+import org.cishell.framework.data.Data;
+import org.cishell.service.conversion.DataConversionService;
+import org.cishell.service.guibuilder.GUIBuilderService;
+import org.cishell.service.conversion.Converter;
+
+/*
+ * @author Weixia(Bonnie) Huang (hu...@in...)
+ */
+public class FileView implements Algorithm {
+ Data[] data;
+ Dictionary parameters;
+ CIShellContext context;
+ DataConversionService conversionManager;
+ static GUIBuilderService guiBuilder;
+ LogService logger;
+
+
+ public FileView(Data[] data, Dictionary parameters, CIShellContext context) {
+ this.data = data;
+ this.parameters = parameters;
+ this.context = context;
+
+ conversionManager = (DataConversionService) context.getService(
+ DataConversionService.class.getName());
+
+ logger = (LogService)context.getService(LogService.class.getName());
+ guiBuilder = (GUIBuilderService)context.getService(GUIBuilderService.class.getName());
+
+ }
+ public File getTempFile(){
+ File tempFile;
+
+ String tempPath = System.getProperty("java.io.tmpdir");
+ File tempDir = new File(tempPath+File.separator+"temp");
+ if(!tempDir.exists())
+ tempDir.mkdir();
+ try{
+ tempFile = File.createTempFile("xxx-Session-", ".txt", tempDir);
+
+ }catch (IOException e){
+ logger.log(LogService.LOG_ERROR, e.toString());
+ tempFile = new File (tempPath+File.separator+"temp"+File.separator+"temp.txt");
+
+ }
+ return tempFile;
+ }
+
+ public Data[] execute() {
+ boolean lastSaveSuccessful = false;
+ String format;
+ File tempFile;
+ Display display;
+ IWorkbenchWindow[] windows;
+ final Shell parentShell;
+
+
+ windows = PlatformUI.getWorkbench().getWorkbenchWindows();
+ if (windows.length == 0){
+ return null;
+ }
+ parentShell = windows[0].getShell();
+ display = PlatformUI.getWorkbench().getDisplay();
+ tempFile = getTempFile();
+
+ for (int i = 0; i < data.length; i++){
+ Object theData = data[i].getData();
+ format = data[i].getFormat();
+ if (theData instanceof File ||
+ format.startsWith("file:text/") ||
+ format.startsWith("file-ext:")){
+ copy((File)data[i].getData(), tempFile);
+ lastSaveSuccessful = true;
+ }else{
+ final Converter[] converters = conversionManager.findConverters(data[i], "file-ext:*");
+
+ if (converters.length < 1) {
+ guiBuilder.showError("No Converters",
+ "No valid converters for data type: " +
+ data[i].getData().getClass().getName(),
+ "Please install a plugin that will save the data type to a file");
+ }
+ else {
+ if (!parentShell.isDisposed()) {
+ DataViewer dataViewer = new DataViewer(parentShell, data[i], converters);
+ display.syncExec(dataViewer);
+ lastSaveSuccessful = dataViewer.isSaved;
+ tempFile = dataViewer.theFile;
+ }
+ }
+ }
+ //display the file content
+ Program program = Program.findProgram("txt");
+ if (program == null) {
+ guiBuilder.showError("No Text Viewer",
+ "No valid text viewer for the .txt file. " +
+ "The file is located at: "+tempFile.getAbsolutePath(),
+ "Unable to open default text viewer. File is located at: "+
+ tempFile.getAbsolutePath());
+ return null;
+ }
+ else {
+ if (lastSaveSuccessful == true) {
+ program.execute(tempFile.getAbsolutePath());
+ }
+ }
+
+
+
+ }
+ return null;
+ }
+
+ public static 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());
+ fis.close();
+ fos.close();
+ return true;
+ }
+ catch (IOException ioe) {
+ guiBuilder.showError("Copy Error", "IOException during copy", ioe.getMessage());
+ return false;
+ }
+ }
+
+ final class DataViewer implements Runnable {
+ Shell shell;
+ boolean isSaved;
+ Data theData;
+ File theFile = getTempFile();
+ Converter[] theConverters;
+
+ DataViewer (Shell parentShell, Data data, Converter[] converters){
+ this.shell = parentShell;
+ this.theData = data;
+ this.theConverters = converters;
+ }
+
+ public void run() {
+ // lots of persisters found, return the chooser
+ ViewDataChooser vdc = new ViewDataChooser("View", theFile, shell,
+ theData, theConverters, context);
+ vdc.open();
+ isSaved = vdc.isSaved();
+ }
+ }
+
+
+
+
+}
\ No newline at end of file
Added: trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/FileViewFactory.java
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/FileViewFactory.java (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/FileViewFactory.java 2006-10-11 20:44:18 UTC (rev 267)
@@ -0,0 +1,35 @@
+package org.cishell.reference.gui.persistence.view;
+
+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;
+//import org.osgi.service.metatype.MetaTypeService;
+
+
+public class FileViewFactory implements AlgorithmFactory {
+// private MetaTypeProvider provider;
+
+ protected void activate(ComponentContext ctxt) {
+ //You may delete all references to metatype service if
+ //your algorithm does not require parameters and return
+ //null in the createParameters() method
+// MetaTypeService mts = (MetaTypeService)ctxt.locateService("MTS");
+// provider = mts.getMetaTypeInformation(ctxt.getBundleContext().getBundle());
+ }
+ protected void deactivate(ComponentContext ctxt) {
+// provider = null;
+ }
+
+ public Algorithm createAlgorithm(Data[] data, Dictionary parameters, CIShellContext context) {
+ return new FileView(data, parameters, context);
+ }
+ public MetaTypeProvider createParameters(Data[] data) {
+// return provider;
+ return null;
+ }
+}
\ No newline at end of file
Added: trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/ViewDataChooser.java
===================================================================
--- trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/ViewDataChooser.java (rev 0)
+++ trunk/clients/gui/org.cishell.reference.gui.persistence/src/org/cishell/reference/gui/persistence/view/ViewDataChooser.java 2006-10-11 20:44:18 UTC (rev 267)
@@ -0,0 +1,44 @@
+package org.cishell.reference.gui.persistence.view;
+
+import java.io.File;
+
+import org.cishell.framework.CIShellContext;
+import org.cishell.framework.data.Data;
+import org.cishell.reference.gui.persistence.save.SaveDataChooser;
+import org.cishell.service.conversion.Converter;
+
+import org.eclipse.swt.widgets.Shell;
+
+/*
+ * @author Weixia(Bonnie) Huang (hu...@in...)
+ *
+ */
+public class ViewDataChooser extends SaveDataChooser {
+ private File tempFile;
+ boolean isSaved = false;
+ Converter[] converters;
+ Data theData;
+
+ public ViewDataChooser(String title, File tempFile, Shell parent,
+ Data data, Converter[] converters, CIShellContext context){
+ super (data, parent, converters, title, context);
+
+ this.tempFile = tempFile;
+ this.converters = converters;
+ this.theData = data;
+ }
+
+ protected void selectionMade(int selectedIndex) {
+ getShell().setVisible(false);
+ final Converter converter = converterArray[selectedIndex];
+ Data newData = converter.convert(theData);
+ isSaved = FileView.copy((File)newData.getData(), tempFile);
+ close(true);
+ }
+
+ public boolean isSaved(){
+ return isSaved;
+ }
+
+
+}
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