implement multiple-selection on downloads table

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

@@ -8,73 +8,81 @@ import javax.annotation.Nonnull
 
 import com.muwire.core.Core
 import com.muwire.core.download.UIDownloadEvent
+import com.muwire.core.search.UIResultEvent
 import com.muwire.core.trust.TrustEvent
 import com.muwire.core.trust.TrustLevel
 
 @ArtifactProviderFor(GriffonController)
 class SearchTabController {
-    
+
     @MVCMember @Nonnull
     SearchTabModel model
     @MVCMember @Nonnull
     SearchTabView view
-    
+
     Core core
-    
+
-    private def selectedResult() {
+    private def selectedResults() {
-        int row = view.resultsTable.getSelectedRow()
+        int[] rows = view.resultsTable.getSelectedRows()
-        if (row == -1)
+        if (rows.length == 0)
             return null
         def sortEvt = view.lastSortEvent
         if (sortEvt != null) {
-            row = view.resultsTable.rowSorter.convertRowIndexToModel(row)
+            for (int i = 0; i < rows.length; i++) {
+                rows[i] = view.resultsTable.rowSorter.convertRowIndexToModel(rows[i])
+            }
+        }
+        List<UIResultEvent> results = new ArrayList<>()
+        rows.each { results.add(model.results[it]) }
+            results
         }
-        model.results[row]
-    }
-    
-    @ControllerAction
-    void download() {
-        def result = selectedResult()
-        if (result == null)
-            return
 
-        if (!mvcGroup.parentGroup.model.canDownload(result.infohash))
+        @ControllerAction
-            return
+        void download() {
+            def results = selectedResults()
+            if (results == null)
+                return
 
-        def file = new File(application.context.get("muwire-settings").downloadLocation, result.name)
+            results.removeAll {
+                !mvcGroup.parentGroup.model.canDownload(it.infohash)
+            }
 
-        def resultsBucket = model.hashBucket[result.infohash]
+            results.each { result ->
-        def sources = model.sourcesBucket[result.infohash]
+                def file = new File(application.context.get("muwire-settings").downloadLocation, result.name)
 
-        core.eventBus.publish(new UIDownloadEvent(result : resultsBucket, sources: sources, 
+                def resultsBucket = model.hashBucket[result.infohash]
-            target : file, sequential : view.sequentialDownloadCheckbox.model.isSelected()))
+                def sources = model.sourcesBucket[result.infohash]
-        mvcGroup.parentGroup.view.showDownloadsWindow.call()
-    }
 
-    @ControllerAction
+                core.eventBus.publish(new UIDownloadEvent(result : resultsBucket, sources: sources,
-    void trust() {
+                target : file, sequential : view.sequentialDownloadCheckbox.model.isSelected()))
-        int row = view.selectedSenderRow()
+            }
-        if (row < 0)
+            mvcGroup.parentGroup.view.showDownloadsWindow.call()
-            return 
+        }
-        def sender = model.senders[row]
-        core.eventBus.publish( new TrustEvent(persona : sender, level : TrustLevel.TRUSTED))
-    }
 
-    @ControllerAction
+        @ControllerAction
-    void distrust() {
+        void trust() {
-        int row = view.selectedSenderRow()
+            int row = view.selectedSenderRow()
-        if (row < 0)
+            if (row < 0)
-            return 
+                return
-        def sender = model.senders[row] 
+            def sender = model.senders[row]
-        core.eventBus.publish( new TrustEvent(persona : sender, level : TrustLevel.DISTRUSTED))
+            core.eventBus.publish( new TrustEvent(persona : sender, level : TrustLevel.TRUSTED))
-    }
+        }
-    
+
-    @ControllerAction
+        @ControllerAction
-    void neutral() {
+        void distrust() {
-        int row = view.selectedSenderRow()
+            int row = view.selectedSenderRow()
-        if (row < 0)
+            if (row < 0)
-            return
+                return
-        def sender = model.senders[row]
+            def sender = model.senders[row]
-        core.eventBus.publish( new TrustEvent(persona : sender, level : TrustLevel.NEUTRAL))
+            core.eventBus.publish( new TrustEvent(persona : sender, level : TrustLevel.DISTRUSTED))
-    }
+        }
-}
+
+        @ControllerAction
+        void neutral() {
+            int row = view.selectedSenderRow()
+            if (row < 0)
+                return
+            def sender = model.senders[row]
+            core.eventBus.publish( new TrustEvent(persona : sender, level : TrustLevel.NEUTRAL))
+        }
+    }

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

@@ -112,16 +112,23 @@ class SearchTabView {
             this.sequentialDownloadCheckbox = sequentialDownloadCheckbox
 
             def selectionModel = resultsTable.getSelectionModel()
-            selectionModel.setSelectionMode(ListSelectionModel.SINGLE_SELECTION)
+            selectionModel.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION)
             selectionModel.addListSelectionListener( {
-                int row = resultsTable.getSelectedRow()
+                int[] rows = resultsTable.getSelectedRows()
-                if (row < 0) {
+                if (rows.length == 0) {
                     model.downloadActionEnabled = false
                     return
                 }
-                if (lastSortEvent != null)
+                if (lastSortEvent != null) {
-                    row = resultsTable.rowSorter.convertRowIndexToModel(row)
+                    for (int i = 0; i < rows.length; i ++) {
-                model.downloadActionEnabled = mvcGroup.parentGroup.model.canDownload(model.results[row].infohash)
+                        rows[i] = resultsTable.rowSorter.convertRowIndexToModel(rows[i])
+                    }
+                }
+                boolean downloadActionEnabled = true
+                rows.each { 
+                    downloadActionEnabled &= mvcGroup.parentGroup.model.canDownload(model.results[it].infohash)
+                }
+                model.downloadActionEnabled = downloadActionEnabled
             })
         }
     }
@@ -206,21 +213,28 @@ class SearchTabView {
 
     def showPopupMenu(MouseEvent e) {
         JPopupMenu menu = new JPopupMenu()
+        boolean showMenu = false
         if (model.downloadActionEnabled) {
             JMenuItem download = new JMenuItem("Download")
             download.addActionListener({mvcGroup.controller.download()})
             menu.add(download)
+            showMenu = true
         }
-        JMenuItem copyHashToClipboard = new JMenuItem("Copy hash to clipboard")
+        if (resultsTable.getSelectedRows().length == 1) {
-        copyHashToClipboard.addActionListener({mvcGroup.view.copyHashToClipboard()})
+            JMenuItem copyHashToClipboard = new JMenuItem("Copy hash to clipboard")
-        menu.add(copyHashToClipboard)
+            copyHashToClipboard.addActionListener({mvcGroup.view.copyHashToClipboard()})
-        menu.show(e.getComponent(), e.getX(), e.getY())
+            menu.add(copyHashToClipboard)
+            showMenu = true
+        }
+        if (showMenu)
+            menu.show(e.getComponent(), e.getX(), e.getY())
     }
 
     def copyHashToClipboard() {
-        int selected = resultsTable.getSelectedRow()
+        int[] selectedRows = resultsTable.getSelectedRows()
-        if (selected < 0)
+        if (selectedRows.length != 1)
             return
+        int selected = selectedRows[0]
         if (lastSortEvent != null)
             selected = resultsTable.rowSorter.convertRowIndexToModel(selected)
         String hash = Base64.encode(model.results[selected].infohash.getRoot())