JAL-1541 Modified BioJs exporter to take advantage of the abstracted JSONFile export...

[jalview.git] / src / jalview / io / BioJsHTMLOutput.java

diff --git a/src/jalview/io/BioJsHTMLOutput.java b/src/jalview/io/BioJsHTMLOutput.java
index 5a236dc..86b4c28 100644 (file)
--- a/src/jalview/io/BioJsHTMLOutput.java
+++ b/src/jalview/io/BioJsHTMLOutput.java
@@ -1,91 +1,129 @@
 package jalview.io;
 
-import static java.nio.file.Files.readAllBytes;
-import static java.nio.file.Paths.get;
-import jalview.datamodel.AlignmentI;
-import jalview.datamodel.SequenceI;
+import jalview.exceptions.NoFileSelectedException;
 import jalview.gui.AlignViewport;
 import jalview.gui.AlignmentPanel;
 import jalview.gui.FeatureRenderer;
-import jalview.gui.SequenceRenderer;
 import jalview.util.MessageManager;
 
+import java.io.BufferedReader;
 import java.io.IOException;
+import java.io.InputStreamReader;
 import java.io.PrintWriter;
+import java.net.URL;
 
 public class BioJsHTMLOutput
 {
   private AlignViewport av;
-  private FeatureRenderer fr;
 
-  public BioJsHTMLOutput(AlignmentPanel ap, SequenceRenderer sr,
+
+  public BioJsHTMLOutput(AlignmentPanel ap,
           FeatureRenderer fr1)
   {
-    System.out.println("BioJs working as expected so far");
-    this.av = ap.av;
 
-    this.fr = new FeatureRenderer(ap);
-    fr.transferSettings(fr1);
-    exportAsBioJsHtml();
+    if (ap != null)
+    {
+
+      this.av = ap.av;
+      av.setFeatureRenderer(new FeatureRenderer(ap));
+    }
+    exportJalviewAlignmentAsBioJsHtmlFile();
   }
 
-  private void exportAsBioJsHtml()
+  private void exportJalviewAlignmentAsBioJsHtmlFile()
   {
     try
     {
-      JalviewFileChooser jvFileChooser = getJalviewFileChooserOption();
-      int fileChooserOpt = jvFileChooser.showSaveDialog(null);
-      if (fileChooserOpt == JalviewFileChooser.APPROVE_OPTION)
-      {
-        jalview.bin.Cache.setProperty("LAST_DIRECTORY", jvFileChooser
-                .getSelectedFile().getParent());
-        String selectedFile = jvFileChooser.getSelectedFile().getPath();
-        String generartedBioJs = generateBioJsAlignmentData(av
-                .getAlignment());
-        PrintWriter out = new java.io.PrintWriter(new java.io.FileWriter(
-                selectedFile));
-        out.print(generartedBioJs);
-        out.close();
-        jalview.util.BrowserLauncher.openURL("file:///" + selectedFile);
-      }
-    } catch (Exception ex)
+      String outputFile = getOutputFile();
+      String jalviewAlignmentJson = JSONFile.getJSONData(av);
+      String bioJSTemplateString = getBioJsTemplateAsString(this);
+      String generatedBioJsWithJalviewAlignmentAsJson = bioJSTemplateString
+              .replaceAll(
+"#sequenceData#", jalviewAlignmentJson)
+              .toString();
+
+      PrintWriter out = new java.io.PrintWriter(new java.io.FileWriter(
+              outputFile));
+      out.print(generatedBioJsWithJalviewAlignmentAsJson);
+      out.flush();
+      out.close();
+      jalview.util.BrowserLauncher.openURL("file:///" + outputFile);
+    } catch (NoFileSelectedException ex)
+    {
+      // do noting if no file was selected
+    } catch (Exception e)
     {
-      ex.printStackTrace();
+      e.printStackTrace();
     }
   }
 
-  private JalviewFileChooser getJalviewFileChooserOption()
+  public String getOutputFile() throws NoFileSelectedException
   {
-    JalviewFileChooser chooser = new JalviewFileChooser(
+    String selectedFile = null;
+    JalviewFileChooser jvFileChooser = new JalviewFileChooser(
             jalview.bin.Cache.getProperty("LAST_DIRECTORY"), new String[]
             { "html" }, new String[]
             { "HTML files" }, "HTML files");
+    jvFileChooser.setFileView(new JalviewFileView());
 
-    chooser.setFileView(new JalviewFileView());
     // TODO uncomment when supported by MassageManager
-    // chooser.setDialogTitle(MessageManager.getString("label.save_as_biojs_html"));
-    chooser.setDialogTitle("save as BioJs HTML");
-    chooser.setToolTipText(MessageManager.getString("action.save"));
+    jvFileChooser.setDialogTitle(MessageManager
+            .getString("label.save_as_biojs_html"));
+    jvFileChooser.setDialogTitle("save as BioJs HTML");
+    jvFileChooser.setToolTipText(MessageManager.getString("action.save"));
 
-    return chooser;
+    int fileChooserOpt = jvFileChooser.showSaveDialog(null);
+    if (fileChooserOpt == JalviewFileChooser.APPROVE_OPTION)
+    {
+      jalview.bin.Cache.setProperty("LAST_DIRECTORY", jvFileChooser
+              .getSelectedFile().getParent());
+      selectedFile = jvFileChooser.getSelectedFile().getPath();
+    }
+    else
+    {
+      throw new NoFileSelectedException("No file was selected.");
+    }
+    return selectedFile;
   }
 
-  private String generateBioJsAlignmentData(AlignmentI alignment)
+
+  public static String getBioJsTemplateAsString(Object currentObj)
           throws IOException
   {
-    StringBuilder bioJsData = new StringBuilder();
-    int count = 0;
-    for (SequenceI seq : alignment.getSequences())
+    InputStreamReader isReader = null;
+    BufferedReader buffReader = null;
+    StringBuilder sb = new StringBuilder();
+    URL url = currentObj.getClass().getResource(
+            "/templates/BioJSTemplate.txt");
+    if (url != null)
     {
-      bioJsData.append("seqOnFly.push({seq:'" + seq.getSequenceAsString()
-              + "', name:'" + seq.getName() + "', id:" + ++count + "});");
-    }
-    String bioJSTemplate = new String(
-            readAllBytes(get("resources/templates/BioJSTemplate.txt")));
-
-    return bioJSTemplate.replaceAll("#sequenceData#", bioJsData.toString());
-  }
+      try
+      {
+        isReader = new InputStreamReader(url.openStream());
+        buffReader = new BufferedReader(isReader);
+        String line;
+        String lineSeparator = System.getProperty("line.separator");
+        while ((line = buffReader.readLine()) != null)
+        {
+          sb.append(line).append(lineSeparator);
+        }
 
+      } catch (Exception ex)
+      {
+        ex.printStackTrace();
+      } finally
+      {
+        if (isReader != null)
+        {
+          isReader.close();
+        }
 
+        if (buffReader != null)
+        {
+          buffReader.close();
+        }
+      }
+    }
+    return sb.toString();
+  }
 }
-