Changeset 6205

Timestamp:

2003-12-10T16:37:07+13:00 (20 years ago)

Author:

jmt12

Message:

Stop button is now only enabled when an action is occuring

File:

• trunk/gli/src/org/greenstone/gatherer/file/FileQueue.java (modified) (4 diffs)

trunk/gli/src/org/greenstone/gatherer/file/FileQueue.java

@@ -56 +56 @@
     /** A temporary mapping from currently existing FileNode folder to their equivelent FileNode folder within the undo managers tree. */
     private HashMap completed_folder_mappings = new HashMap();
+
+    /** The button which controls the stopping of the file queue. */
+    private JButton stop_button = null;
+
     /** true to cause this file queue to return from run() as soon as there are no jobs left on the queue. Useful for undo jobs which must occur before a specific action. */
     private boolean return_immediately = false;
@@ -203 +207 @@
         if (job != null) {
             ///ystem.err.println("Found job: " + job);
+            // Enabled stop button
+            stop_button.setEnabled(true);
             // The user can cancel this individual action at several places, so keep track if the state is 'ready' for the next step.
             boolean ready = true;
@@ -595 +601 @@
         }
         else {
+            // Disable stop button
+            if(stop_button != null) {
+            stop_button.setEnabled(false);
+            }
             synchronized(this) {
             ///ystem.err.println("Queue size = " + queue.size());
@@ -623 +633 @@
     }
     }
+    
+    /** Register the button that will be responsible for stopping executing file actions. 
+     * @param button a JButton
+     */
+    public void registerStopButton(JButton stop_button) {
+    this.stop_button = stop_button;
+    }
+
     /** A second lock is necessary to prevent the thread waiting, because its notify occured momentarily before it waited. If the flag is set then the thread can't wait, but loops around. This may chew processor time so should only be used if you are certain files are about to be placed on the queue.
      * @param wait_allowed The new state of the wait_allowed flag, as a boolean.