option to disable sharing of downloaded files

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

@@ -56,6 +56,10 @@ class OptionsController {
         boolean onlyTrusted = view.allowUntrustedCheckbox.model.isSelected()
         model.onlyTrusted = onlyTrusted
         settings.setAllowUntrusted(!onlyTrusted)
+        
+        boolean shareDownloaded = view.shareDownloadedCheckbox.model.isSelected()
+        model.shareDownloadedFiles = shareDownloaded
+        settings.shareDownloadedFiles = shareDownloaded
                         
         File settingsFile = new File(core.home, "MuWire.properties")
         settingsFile.withOutputStream { 

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

@@ -265,6 +265,8 @@ class MainFrameModel {
     }
     
     void onFileDownloadedEvent(FileDownloadedEvent e) {
+        if (!core.muOptions.shareDownloadedFiles)
+            return
         infoHashes.add(e.downloadedFile.infoHash)
         runInsideUIAsync {
             shared << e.downloadedFile

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

@@ -12,6 +12,7 @@ class OptionsModel {
     @Observable String downloadRetryInterval 
     @Observable String updateCheckInterval
     @Observable boolean onlyTrusted
+    @Observable boolean shareDownloadedFiles
     
     // i2p options
     @Observable String inboundLength
@@ -24,6 +25,7 @@ class OptionsModel {
         downloadRetryInterval = settings.downloadRetryInterval
         updateCheckInterval = settings.updateCheckInterval
         onlyTrusted = !settings.allowUntrusted()
+        shareDownloadedFiles = settings.shareDownloadedFiles
         
         Core core = application.context.get("core")
         inboundLength = core.i2pOptions["inbound.length"]

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

@@ -28,6 +28,7 @@ class OptionsView {
     def retryField
     def updateField
     def allowUntrustedCheckbox
+    def shareDownloadedCheckbox
     
     def inboundLengthField
     def inboundQuantityField
@@ -54,6 +55,9 @@ class OptionsView {
 
             label(text : "Only allow trusted connections", constraints : gbc(gridx: 0, gridy : 2))
             allowUntrustedCheckbox = checkBox(selected : bind {model.onlyTrusted}, constraints : gbc(gridx: 1, gridy : 2))
+            
+            label(text : "Share downloaded files", constraints : gbc(gridx : 0, gridy:3))
+            shareDownloadedCheckbox = checkBox(selected : bind {model.shareDownloadedFiles}, constraints : gbc(gridx :1, gridy:3))
                         
         }
         i = builder.panel {