add option to change download location

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

@@ -5,6 +5,7 @@ import griffon.core.controller.ControllerAction
 import griffon.inject.MVCMember
 import griffon.metadata.ArtifactProviderFor
 import javax.annotation.Nonnull
+import javax.swing.JFileChooser
 
 import com.muwire.core.Core
 
@@ -61,6 +62,9 @@ class OptionsController {
         model.shareDownloadedFiles = shareDownloaded
         settings.shareDownloadedFiles = shareDownloaded
         
+        String downloadLocation = model.downloadLocation
+        settings.downloadLocation = new File(downloadLocation)
+                        
         File settingsFile = new File(core.home, "MuWire.properties")
         settingsFile.withOutputStream { 
             settings.write(it)
@@ -110,4 +114,15 @@ class OptionsController {
         view.d.setVisible(false)
         mvcGroup.destroy()
     }
+    
+    @ControllerAction
+    void downloadLocation() {
+        def chooser = new JFileChooser()
+        chooser.setFileHidingEnabled(false)
+        chooser.setDialogTitle("Select location for downloaded files")
+        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY)
+        int rv = chooser.showOpenDialog(null)
+        if (rv == JFileChooser.APPROVE_OPTION)
+            model.downloadLocation = chooser.getSelectedFile().getAbsolutePath()
+    }
 }

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

@@ -13,6 +13,7 @@ class OptionsModel {
     @Observable String updateCheckInterval
     @Observable boolean onlyTrusted
     @Observable boolean shareDownloadedFiles
+    @Observable String downloadLocation
     
     // i2p options
     @Observable String inboundLength
@@ -35,6 +36,7 @@ class OptionsModel {
         updateCheckInterval = settings.updateCheckInterval
         onlyTrusted = !settings.allowUntrusted()
         shareDownloadedFiles = settings.shareDownloadedFiles
+        downloadLocation = settings.downloadLocation.getAbsolutePath()
         
         Core core = application.context.get("core")
         inboundLength = core.i2pOptions["inbound.length"]

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

@@ -69,6 +69,10 @@ class OptionsView {
             label(text : "Share downloaded files", constraints : gbc(gridx : 0, gridy:3))
             shareDownloadedCheckbox = checkBox(selected : bind {model.shareDownloadedFiles}, constraints : gbc(gridx :1, gridy:3))
             
+            label(text : "Save downloaded files to:", constraints: gbc(gridx:0, gridy:4, gridwidth : 2))
+            label(text : bind {model.downloadLocation}, constraints: gbc(gridx:0, gridy:5))
+            button(text : "Choose", constraints : gbc(gridx : 1, gridy:5), downloadLocationAction)
+                        
         }
         i = builder.panel {
             gridBagLayout()