add button for downloading full collection

gui/griffon-app/controllers/com/muwire/gui/CollectionTabController.groovy

@@ -15,6 +15,11 @@ class CollectionTabController {
     @MVCMember @Nonnull
     CollectionTabView view
 
+    @ControllerAction
+    void downloadCollection() {
+        
+    }
+    
     @ControllerAction
     void download() {
         

gui/griffon-app/i18n/messages.properties

@@ -546,3 +546,4 @@ DELETE=Delete
 ## Collection tab
 COLLECTION_SELECT=Select a collection to view it's description
 DESCRIPTION=Description
+COLLECTION_DOWNLOAD=Download Full Collection

gui/griffon-app/models/com/muwire/gui/CollectionTabModel.groovy

@@ -45,6 +45,7 @@ class CollectionTabModel {
     @Observable int totalCollections
     @Observable boolean viewCommentButtonEnabled
     @Observable boolean downloadItemButtonEnabled
+    @Observable boolean downloadCollectionButtonEnabled
     
     void mvcGroupInit(Map<String,String> args) {
         root = new DefaultMutableTreeNode()

gui/griffon-app/views/com/muwire/gui/CollectionTabView.groovy

@@ -44,8 +44,6 @@ class CollectionTabView {
         p = builder.panel {
             gridLayout(rows : 3, cols: 1)
             panel {
-                borderLayout()
-                panel(constraints : BorderLayout.NORTH) {
                 borderLayout()
                 panel(constraints : BorderLayout.NORTH) {
                     label(text : trans("STATUS") + ":")
@@ -63,6 +61,8 @@ class CollectionTabView {
                         }
                     }
                 }
+                panel(constraints : BorderLayout.SOUTH) {
+                    button(text : trans("COLLECTION_DOWNLOAD"), enabled : bind{model.downloadCollectionButtonEnabled}, downloadCollectionAction)
                 }
             }
             panel {
@@ -161,6 +161,7 @@ class CollectionTabView {
             int row = selectedCollection()
             if (row < 0)
                 return
+            model.downloadCollectionButtonEnabled = true
             FileCollection selected = model.collections.get(row)
             model.comment = selected.comment