Added option to change a torrent's storage location from the details screen. Fixed #8.

core/res/layout/dialog_storagelocation.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2010-2013 Eric Kok et al.
+  
+  Transdroid is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+  
+  Transdroid is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+  
+  You should have received a copy of the GNU General Public License
+  along with Transdroid.  If not, see <http://www.gnu.org/licenses/>.
+-->
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:padding="@dimen/margin_half" >
+
+	<EditText
+		android:id="@+id/location_edit"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:inputType="textUri" />
+
+</FrameLayout>

core/res/menu/fragment_details.xml

@@ -68,5 +68,11 @@
 		android:showAsAction="ifRoom"
 		android:title="@string/action_updatetrackers"
 		android:orderInCategory="206" />
+	<item
+		android:id="@+id/action_changelocation"
+		android:icon="?attr/ic_action_save"
+		android:showAsAction="ifRoom"
+		android:title="@string/action_changelocation"
+		android:orderInCategory="207" />
 
 </menu>

core/res/values/attrs.xml

@@ -35,6 +35,7 @@
 	<attr name="ic_action_remove" format="reference"/>
 	<attr name="ic_action_resume" format="reference"/>
 	<attr name="ic_action_rss" format="reference"/>
+	<attr name="ic_action_save" format="reference"/>
 	<attr name="ic_action_search" format="reference"/>
 	<attr name="ic_action_sort_by_size" format="reference"/>
 	<attr name="ic_action_start" format="reference"/>

core/res/values/changelog.xml

@@ -18,6 +18,7 @@
 <resources>
 <string name="system_changelog">
 Transdroid 2.0.0\n
+- Allow changing of storage location (Deluge and Transmission)\n
 - UI improvements for Lite version\n
 \n
 Transdroid 2.0.0-alpha4\n

core/res/values/strings.xml

@@ -48,6 +48,7 @@
 	<string name="action_remove_withdata">Remove and delete data</string>
 	<string name="action_setlabel">Set label</string>
 	<string name="action_updatetrackers">Update trackers</string>
+	<string name="action_changelocation">Change storage location</string>
 	<string name="action_priority_off">Off</string>
 	<string name="action_priority_low">Low</string>
 	<string name="action_priority_normal">Normal</string>
@@ -354,6 +355,7 @@
 	<string name="error_cant_write_settings_file">Can\'t write to the settings file</string>
 	<string name="error_notanumber">Please enter a positive number</string>
 	<string name="error_notalabel">Please enter a valid label or pick from the list</string>
+	<string name="error_stillloadingdetails">Please wait until the torrent details have been loaded</string>
 	
 	<string name="update_app_newversion">New Transdroid version available</string>
 	<string name="update_search_newversion">New Transdroid search module available</string>

core/res/values/styles.xml

@@ -34,6 +34,7 @@
 		<item name="ic_action_remove">@drawable/ic_action_remove_light</item>
 		<item name="ic_action_resume">@drawable/ic_action_resume_light</item>
 		<item name="ic_action_rss">@drawable/ic_action_rss_light</item>
+		<item name="ic_action_save">@drawable/ic_action_save_light</item>
 		<item name="ic_action_search">@drawable/ic_action_search_light</item>
 		<item name="ic_action_sort_by_size">@drawable/ic_action_sort_by_size_light</item>
 		<item name="ic_action_start">@drawable/ic_action_start_light</item>
@@ -64,6 +65,7 @@
 		<item name="ic_action_remove">@drawable/ic_action_remove_dark</item>
 		<item name="ic_action_resume">@drawable/ic_action_resume_dark</item>
 		<item name="ic_action_rss">@drawable/ic_action_rss_dark</item>
+		<item name="ic_action_save">@drawable/ic_action_save_dark</item>
 		<item name="ic_action_search">@drawable/ic_action_search_dark</item>
 		<item name="ic_action_sort_by_size">@drawable/ic_action_sort_by_size_dark</item>
 		<item name="ic_action_start">@drawable/ic_action_start_dark</item>

core/src/org/transdroid/core/gui/DetailsFragment.java

@@ -36,6 +36,8 @@ import org.transdroid.core.gui.navigation.NavigationHelper_;
 import org.transdroid.core.gui.navigation.SelectionManagerMode;
 import org.transdroid.core.gui.navigation.SetLabelDialog;
 import org.transdroid.core.gui.navigation.SetLabelDialog.OnLabelPickedListener;
+import org.transdroid.core.gui.navigation.SetStorageLocationDialog;
+import org.transdroid.core.gui.navigation.SetStorageLocationDialog.OnStorageLocationUpdatedListener;
 import org.transdroid.core.gui.navigation.SetTrackersDialog;
 import org.transdroid.core.gui.navigation.SetTrackersDialog.OnTrackersUpdatedListener;
 import org.transdroid.daemon.Daemon;
@@ -65,7 +67,8 @@ import de.keyboardsurfer.android.widget.crouton.Crouton;
  */
 @EFragment(resName = "fragment_details")
 @OptionsMenu(resName = "fragment_details")
-public class DetailsFragment extends SherlockFragment implements OnTrackersUpdatedListener, OnLabelPickedListener {
+public class DetailsFragment extends SherlockFragment implements OnTrackersUpdatedListener, OnLabelPickedListener,
+		OnStorageLocationUpdatedListener {
 
 	// Local data
 	@InstanceState
@@ -241,6 +244,8 @@ public class DetailsFragment extends SherlockFragment implements OnTrackersUpdat
 		menu.findItem(R.id.action_setlabel).setVisible(setLabel);
 		boolean setTrackers = Daemon.supportsSetTrackers(torrent.getDaemon());
 		menu.findItem(R.id.action_updatetrackers).setVisible(setTrackers);
+		boolean setLocation = Daemon.supportsSetDownloadLocation(torrent.getDaemon());
+		menu.findItem(R.id.action_changelocation).setVisible(setLocation);
 
 	}
 
@@ -287,10 +292,20 @@ public class DetailsFragment extends SherlockFragment implements OnTrackersUpdat
 
 	@OptionsItem(resName = "action_updatetrackers")
 	protected void updateTrackers() {
+		if (torrentDetails == null) {
+			Crouton.showText(getActivity(), R.string.error_stillloadingdetails, NavigationHelper.CROUTON_INFO_STYLE);
+			return;
+		}
 		new SetTrackersDialog().setOnTrackersUpdated(this).setCurrentTrackers(torrentDetails.getTrackersText())
 				.show(getFragmentManager(), "SetTrackersDialog");
 	}
 
+	@OptionsItem(resName = "action_changelocation")
+	protected void changeStorageLocation() {
+		new SetStorageLocationDialog().setOnStorageLocationUpdated(this).setCurrentLocation(torrent.getLocationDir())
+				.show(getFragmentManager(), "SetStorageLocationDialog");
+	}
+
 	@Override
 	public void onLabelPicked(String newLabel) {
 		getTasksExecutor().updateLabel(torrent, newLabel);
@@ -301,6 +316,11 @@ public class DetailsFragment extends SherlockFragment implements OnTrackersUpdat
 		getTasksExecutor().updateTrackers(torrent, updatedTrackers);
 	}
 
+	@Override
+	public void onStorageLocationUpdated(String newLocation) {
+		getTasksExecutor().updateLocation(torrent, newLocation);
+	}
+
 	private MultiChoiceModeListenerCompat onDetailsSelected = new MultiChoiceModeListenerCompat() {
 
 		SelectionManagerMode selectionManagerMode;

core/src/org/transdroid/core/gui/navigation/SetStorageLocationDialog.java

@@ -0,0 +1,92 @@
+/* 
+ * Copyright 2010-2013 Eric Kok et al.
+ * 
+ * Transdroid is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Transdroid is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with Transdroid.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.transdroid.core.gui.navigation;
+
+import java.security.InvalidParameterException;
+
+import org.transdroid.core.R;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
+import android.view.View;
+import android.widget.EditText;
+
+/**
+ * A dialog fragment that allows changing of the storage location by editing the path text directly.
+ * @author Eric Kok
+ */
+public class SetStorageLocationDialog extends DialogFragment {
+
+	private OnStorageLocationUpdatedListener onStorageLocationUpdatedListener = null;
+	private String currentLocation = null;
+
+	public SetStorageLocationDialog() {
+		setRetainInstance(true);
+	}
+
+	/**
+	 * Sets the callback for when the user is done updating the storage location.
+	 * @param onStorageLocationUpdatedListener The event listener to this dialog
+	 * @return This dialog, for method chaining
+	 */
+	public SetStorageLocationDialog setOnStorageLocationUpdated(
+			OnStorageLocationUpdatedListener onStorageLocationUpdatedListener) {
+		this.onStorageLocationUpdatedListener = onStorageLocationUpdatedListener;
+		return this;
+	}
+
+	/**
+	 * Sets the current storage location that will be available to the user to edit
+	 * @param currentLocation The current storage location path as text
+	 * @return This dialog, for method chaining
+	 */
+	public SetStorageLocationDialog setCurrentLocation(String currentLocation) {
+		this.currentLocation = currentLocation;
+		return this;
+	}
+
+	@Override
+	public Dialog onCreateDialog(Bundle savedInstanceState) {
+		if (currentLocation == null)
+			throw new InvalidParameterException(
+					"Please first set the current trackers text using setCurrentLocation before opening the dialog.");
+		if (onStorageLocationUpdatedListener == null)
+			throw new InvalidParameterException(
+					"Please first set the callback listener using setOnStorageLocationUpdated before opening the dialog.");
+		final View locationFrame = getActivity().getLayoutInflater().inflate(R.layout.dialog_storagelocation, null,
+				false);
+		final EditText locationText = (EditText) locationFrame.findViewById(R.id.location_edit);
+		locationText.setText(currentLocation);
+		return new AlertDialog.Builder(getActivity()).setView(locationFrame)
+				.setPositiveButton(R.string.status_update, new OnClickListener() {
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+						// User is done editing and requested to update given the text input
+						onStorageLocationUpdatedListener.onStorageLocationUpdated(locationText.getText().toString());
+					}
+				}).setNegativeButton(android.R.string.cancel, null).show();
+	}
+
+	public interface OnStorageLocationUpdatedListener {
+		public void onStorageLocationUpdated(String newLocation);
+	}
+
+}