From 236e467657621d5073badda41eb69b718a576a09 Mon Sep 17 00:00:00 2001
From: daniel oeh <daniel.oeh@gmail.com>
Date: Sun, 30 Dec 2012 21:45:55 +0100
Subject: Added 'empty directory' warning

---
 .../activity/DirectoryChooserActivity.java         | 64 +++++++++++++++++++---
 1 file changed, 56 insertions(+), 8 deletions(-)

(limited to 'src/de/danoeh/antennapod/activity/DirectoryChooserActivity.java')

diff --git a/src/de/danoeh/antennapod/activity/DirectoryChooserActivity.java b/src/de/danoeh/antennapod/activity/DirectoryChooserActivity.java
index 77efc0130..a83a77f28 100644
--- a/src/de/danoeh/antennapod/activity/DirectoryChooserActivity.java
+++ b/src/de/danoeh/antennapod/activity/DirectoryChooserActivity.java
@@ -5,8 +5,11 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 
+import org.apache.commons.io.FileUtils;
+
 import android.app.Activity;
 import android.app.AlertDialog;
+import android.app.AlertDialog.Builder;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
@@ -76,14 +79,40 @@ public class DirectoryChooserActivity extends SherlockActivity {
 
 			@Override
 			public void onClick(View v) {
-				if (AppConfig.DEBUG)
-					Log.d(TAG, "Returning " + selectedDir.getAbsolutePath()
-							+ " as result");
-				Intent resultData = new Intent();
-				resultData.putExtra(RESULT_SELECTED_DIR,
-						selectedDir.getAbsolutePath());
-				setResult(RESULT_CODE_DIR_SELECTED, resultData);
-				finish();
+				if (isValidFile(selectedDir)) {
+					if (selectedDir.list().length == 0) {
+						returnSelectedFolder();
+					} else {
+						showNonEmptyDirectoryWarning();
+					}
+				}
+			}
+
+			private void showNonEmptyDirectoryWarning() {
+				AlertDialog.Builder adb = new AlertDialog.Builder(
+						DirectoryChooserActivity.this);
+				adb.setTitle(R.string.folder_not_empty_dialog_title);
+				adb.setMessage(R.string.folder_not_empty_dialog_msg);
+				adb.setNegativeButton(R.string.cancel_label,
+						new DialogInterface.OnClickListener() {
+
+							@Override
+							public void onClick(DialogInterface dialog,
+									int which) {
+								dialog.dismiss();
+							}
+						});
+				adb.setPositiveButton(R.string.confirm_label,
+						new DialogInterface.OnClickListener() {
+
+							@Override
+							public void onClick(DialogInterface dialog,
+									int which) {
+								dialog.dismiss();
+								returnSelectedFolder();
+							}
+						});
+				adb.create().show();
 			}
 		});
 
@@ -129,6 +158,17 @@ public class DirectoryChooserActivity extends SherlockActivity {
 		changeDirectory(Environment.getExternalStorageDirectory());
 	}
 
+	/** Finishes the activity and returns the selected folder as a result. */
+	private void returnSelectedFolder() {
+		if (AppConfig.DEBUG)
+			Log.d(TAG, "Returning " + selectedDir.getAbsolutePath()
+					+ " as result");
+		Intent resultData = new Intent();
+		resultData.putExtra(RESULT_SELECTED_DIR, selectedDir.getAbsolutePath());
+		setResult(RESULT_CODE_DIR_SELECTED, resultData);
+		finish();
+	}
+
 	@Override
 	protected void onPause() {
 		super.onPause();
@@ -205,6 +245,7 @@ public class DirectoryChooserActivity extends SherlockActivity {
 	private void refreshButtonState() {
 		if (selectedDir != null) {
 			butConfirm.setEnabled(isValidFile(selectedDir));
+			supportInvalidateOptionsMenu();
 		}
 	}
 
@@ -235,6 +276,13 @@ public class DirectoryChooserActivity extends SherlockActivity {
 		};
 	}
 
+	@Override
+	public boolean onPrepareOptionsMenu(Menu menu) {
+		menu.findItem(R.id.new_folder_item)
+				.setVisible(isValidFile(selectedDir));
+		return true;
+	}
+
 	@Override
 	public boolean onCreateOptionsMenu(Menu menu) {
 		MenuInflater inflater = new MenuInflater(this);
-- 
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