From 7796bc87c98b21f199f9dc195401223984619091 Mon Sep 17 00:00:00 2001
From: jprocter <jprocter@compbio.dundee.ac.uk>
Date: Fri, 21 Sep 2012 17:15:32 +0100
Subject: [PATCH] JAL-1165 allow progress indicators on the web service window

---
 src/jalview/gui/WebserviceInfo.java    |  105 +++++++++++++++++++++++++++++++-
 src/jalview/jbgui/GWebserviceInfo.java |    5 ++
 2 files changed, 109 insertions(+), 1 deletion(-)

diff --git a/src/jalview/gui/WebserviceInfo.java b/src/jalview/gui/WebserviceInfo.java
index c3adbac..69fb44c 100755
--- a/src/jalview/gui/WebserviceInfo.java
+++ b/src/jalview/gui/WebserviceInfo.java
@@ -41,7 +41,7 @@ import jalview.ws.WSClientI;
  * @version $Revision$
  */
 public class WebserviceInfo extends GWebserviceInfo implements
-        HyperlinkListener
+        HyperlinkListener, IProgressIndicator
 {
 
   /** Job is Queued */
@@ -825,4 +825,107 @@ public class WebserviceInfo extends GWebserviceInfo implements
   {
     Desktop.hyperlinkUpdate(e);
   }
+
+  // methods for implementing IProgressIndicator
+  // need to refactor to a reusable stub class
+  Hashtable progressBars, progressBarHandlers;
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see jalview.gui.IProgressIndicator#setProgressBar(java.lang.String, long)
+   */
+  @Override
+  public void setProgressBar(String message, long id)
+  {
+    if (progressBars == null)
+    {
+      progressBars = new Hashtable();
+      progressBarHandlers = new Hashtable();
+    }
+
+    JPanel progressPanel;
+    Long lId = new Long(id);
+    GridLayout layout = (GridLayout) statusPanel.getLayout();
+    if (progressBars.get(lId) != null)
+    {
+      progressPanel = (JPanel) progressBars.get(new Long(id));
+      statusPanel.remove(progressPanel);
+      progressBars.remove(lId);
+      progressPanel = null;
+      if (message != null)
+      {
+        statusBar.setText(message);
+      }
+      if (progressBarHandlers.contains(lId))
+      {
+        progressBarHandlers.remove(lId);
+      }
+      layout.setRows(layout.getRows() - 1);
+    }
+    else
+    {
+      progressPanel = new JPanel(new BorderLayout(10, 5));
+
+      JProgressBar progressBar = new JProgressBar();
+      progressBar.setIndeterminate(true);
+
+      progressPanel.add(new JLabel(message), BorderLayout.WEST);
+      progressPanel.add(progressBar, BorderLayout.CENTER);
+
+      layout.setRows(layout.getRows() + 1);
+      statusPanel.add(progressPanel);
+
+      progressBars.put(lId, progressPanel);
+    }
+    // update GUI
+    // setMenusForViewport();
+    validate();
+  }
+
+  @Override
+  public void registerHandler(final long id,
+          final IProgressIndicatorHandler handler)
+  {
+    if (progressBarHandlers == null || !progressBars.contains(new Long(id)))
+    {
+      throw new Error(
+              "call setProgressBar before registering the progress bar's handler.");
+    }
+    progressBarHandlers.put(new Long(id), handler);
+    final JPanel progressPanel = (JPanel) progressBars.get(new Long(id));
+    if (handler.canCancel())
+    {
+      JButton cancel = new JButton("Cancel");
+      final IProgressIndicator us = this;
+      cancel.addActionListener(new ActionListener()
+      {
+
+        @Override
+        public void actionPerformed(ActionEvent e)
+        {
+          handler.cancelActivity(id);
+          us.setProgressBar(
+                  "Cancelled "
+                          + ((JLabel) progressPanel.getComponent(0))
+                                  .getText(), id);
+        }
+      });
+      progressPanel.add(cancel, BorderLayout.EAST);
+    }
+  }
+
+  /**
+   *
+   * @return true if any progress bars are still active
+   */
+  @Override
+  public boolean operationInProgress()
+  {
+    if (progressBars != null && progressBars.size() > 0)
+    {
+      return true;
+    }
+    return false;
+  }
 }
diff --git a/src/jalview/jbgui/GWebserviceInfo.java b/src/jalview/jbgui/GWebserviceInfo.java
index 5d6b6eb..00806ed 100755
--- a/src/jalview/jbgui/GWebserviceInfo.java
+++ b/src/jalview/jbgui/GWebserviceInfo.java
@@ -52,6 +52,9 @@ public class GWebserviceInfo extends JPanel
   public JButton mergeResults = new JButton();
 
   GridBagLayout gridBagLayout1 = new GridBagLayout();
+  
+  public JPanel statusPanel = new JPanel(new GridLayout());
+  public JLabel statusBar = new JLabel();
 
   /**
    * Creates a new GWebserviceInfo object.
@@ -110,6 +113,8 @@ public class GWebserviceInfo extends JPanel
     buttonPanel.add(cancel, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0,
             GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(
                     19, 6, 16, 4), 0, 0));
+    this.add(statusPanel, java.awt.BorderLayout.SOUTH);
+    statusPanel.add(statusBar, null);
   }
 
   /**
-- 
1.7.10.2