From 9d67f04acb1c0ae097b918b09a997c5561592880 Mon Sep 17 00:00:00 2001
From: jprocter <jprocter@compbio.dundee.ac.uk>
Date: Fri, 5 Aug 2011 16:47:56 +0100
Subject: [PATCH] allow several progress bars on the desktop window (JAL-898)

---
 src/jalview/gui/Desktop.java |   48 +++++++++++++++++++++++-------------------
 1 file changed, 26 insertions(+), 22 deletions(-)

diff --git a/src/jalview/gui/Desktop.java b/src/jalview/gui/Desktop.java
index 8a96ec4..56bd82f 100644
--- a/src/jalview/gui/Desktop.java
+++ b/src/jalview/gui/Desktop.java
@@ -1270,44 +1270,47 @@ public class Desktop extends jalview.jbgui.GDesktop implements
   }
 
   JPanel progressPanel;
-
+  ArrayList<JPanel> fileLoadingPanels=new ArrayList<JPanel>();
   public void startLoading(final String fileName)
   {
     if (fileLoadingCount == 0)
     {
-      addProgressPanel("Loading File: " + fileName + "   ");
-
+      fileLoadingPanels.add(addProgressPanel("Loading File: " + fileName + "   "));
     }
     fileLoadingCount++;
   }
 
-  private JProgressBar addProgressPanel(String string)
+  private JPanel addProgressPanel(String string)
   {
     if (progressPanel == null)
     {
-      progressPanel = new JPanel(new BorderLayout());
+      progressPanel = new JPanel(new GridLayout(1,1));
       totalProgressCount = 0;
+      instance.getContentPane().add(progressPanel, BorderLayout.SOUTH);
     }
+    JPanel thisprogress=new JPanel(new BorderLayout(10,5));
     JProgressBar progressBar = new JProgressBar();
     progressBar.setIndeterminate(true);
 
-    progressPanel.add(new JLabel(string), BorderLayout.WEST);
-
-    progressPanel.add(progressBar, BorderLayout.CENTER);
+    thisprogress.add(new JLabel(string), BorderLayout.WEST);
 
-    instance.getContentPane().add(progressPanel, BorderLayout.SOUTH);
-    totalProgressCount++;
-    validate();
-    return progressBar;
+    thisprogress.add(progressBar, BorderLayout.CENTER);
+    progressPanel.add(thisprogress);
+    ((GridLayout)progressPanel.getLayout()).setRows(((GridLayout)progressPanel.getLayout()).getRows()+1);
+    ++totalProgressCount;
+    instance.validate();
+    return thisprogress;
   }
 
   int totalProgressCount = 0;
 
-  private void removeProgressPanel(JProgressBar progbar)
+  private void removeProgressPanel(JPanel progbar)
   {
     if (progressPanel != null)
     {
       progressPanel.remove(progbar);
+      GridLayout gl = (GridLayout) progressPanel.getLayout();
+      gl.setRows(gl.getRows()-1);
       if (--totalProgressCount < 1)
       {
         this.getContentPane().remove(progressPanel);
@@ -1322,11 +1325,11 @@ public class Desktop extends jalview.jbgui.GDesktop implements
     fileLoadingCount--;
     if (fileLoadingCount < 1)
     {
-      if (progressPanel != null)
+      for (JPanel flp : fileLoadingPanels)
       {
-        this.getContentPane().remove(progressPanel);
-        progressPanel = null;
+        removeProgressPanel(flp);
       }
+      fileLoadingPanels.clear();
       fileLoadingCount = 0;
     }
     validate();
@@ -1773,7 +1776,7 @@ public class Desktop extends jalview.jbgui.GDesktop implements
       if (value == JalviewFileChooser.APPROVE_OPTION)
       {
         java.io.File choice = chooser.getSelectedFile();
-        JProgressBar progpanel = addProgressPanel("Saving VAMSAS Document to "
+        JPanel progpanel = addProgressPanel("Saving VAMSAS Document to "
                 + choice.getName());
         jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice.getParent());
         String warnmsg = null;
@@ -1807,7 +1810,7 @@ public class Desktop extends jalview.jbgui.GDesktop implements
     }
   }
 
-  JProgressBar vamUpdate = null;
+  JPanel vamUpdate = null;
 
   /**
    * hide vamsas user gui bits when a vamsas document event is being handled.
@@ -2079,7 +2082,8 @@ public class Desktop extends jalview.jbgui.GDesktop implements
   /**
    * Progress bars managed by the IProgressIndicator method.
    */
-  private Hashtable progressBars, progressBarHandlers;
+  private Hashtable<Long,JPanel> progressBars;
+  private Hashtable<Long,IProgressIndicatorHandler> progressBarHandlers;
 
   /*
    * (non-Javadoc)
@@ -2090,13 +2094,13 @@ public class Desktop extends jalview.jbgui.GDesktop implements
   {
     if (progressBars == null)
     {
-      progressBars = new Hashtable();
-      progressBarHandlers = new Hashtable();
+      progressBars = new Hashtable<Long,JPanel>();
+      progressBarHandlers = new Hashtable<Long,IProgressIndicatorHandler>();
     }
 
     if (progressBars.get(new Long(id)) != null)
     {
-      JProgressBar progressPanel = (JProgressBar) progressBars
+      JPanel progressPanel = progressBars
               .remove(new Long(id));
       if (progressBarHandlers.contains(new Long(id)))
       {
-- 
1.7.10.2