+/* ownCloud Android client application
+ * Copyright (C) 2011 Bartek Przybylski
+ *
+ * This program 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.
+ *
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package com.owncloud.android.ui.activity;
+
+import java.io.File;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Environment;
+import android.util.Log;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.TextView;
+
+import com.actionbarsherlock.app.ActionBar;
+import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
+import com.actionbarsherlock.app.SherlockFragmentActivity;
+import com.actionbarsherlock.view.MenuItem;
+import com.owncloud.android.ui.fragment.LocalFileListFragment;
+
+import com.owncloud.android.R;
+
+/**
+ * Displays local files and let the user choose what of them wants to upload
+ * to the current ownCloud account
+ *
+ * @author David A. Velasco
+ *
+ */
+
+public class UploadFilesActivity extends SherlockFragmentActivity implements
+ LocalFileListFragment.ContainerActivity, OnNavigationListener, OnClickListener {
+
+ private ArrayAdapter<String> mDirectories;
+ private File mCurrentDir = null;
+ private LocalFileListFragment mFileListFragment;
+ private Button mCancelBtn;
+ private Button mUploadBtn;
+
+ public static final String EXTRA_DIRECTORY_PATH = "com.owncloud.android.Directory";
+ public static final String EXTRA_CHOSEN_FILES = "com.owncloud.android.ChosenFiles";
+
+ private static final String TAG = "UploadFilesActivity";
+
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ Log.d(TAG, "onCreate() start");
+ super.onCreate(savedInstanceState);
+
+ if(savedInstanceState != null) {
+ mCurrentDir = new File(savedInstanceState.getString(UploadFilesActivity.EXTRA_DIRECTORY_PATH));
+ } else {
+ mCurrentDir = Environment.getExternalStorageDirectory();
+ }
+
+ /// USER INTERFACE
+
+ // Drop-down navigation
+ mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
+ File currDir = mCurrentDir;
+ while(currDir != null && currDir.getParentFile() != null) {
+ mDirectories.add(currDir.getName());
+ currDir = currDir.getParentFile();
+ }
+ mDirectories.add(File.separator);
+
+ // Inflate and set the layout view
+ setContentView(R.layout.upload_files_layout);
+ mFileListFragment = (LocalFileListFragment) getSupportFragmentManager().findFragmentById(R.id.local_files_list);
+
+ // Set input controllers
+ mCancelBtn = (Button) findViewById(R.id.upload_files_btn_cancel);
+ mCancelBtn.setOnClickListener(this);
+ mUploadBtn = (Button) findViewById(R.id.upload_files_btn_upload);
+ mUploadBtn.setOnClickListener(this);
+
+ // Action bar setup
+ ActionBar actionBar = getSupportActionBar();
+ actionBar.setHomeButtonEnabled(true); // mandatory since Android ICS, according to the official documentation
+ actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getName() != null);
+ actionBar.setDisplayShowTitleEnabled(false);
+ actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
+ actionBar.setListNavigationCallbacks(mDirectories, this);
+
+ Log.d(TAG, "onCreate() end");
+ }
+
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem item) {
+ boolean retval = true;
+ switch (item.getItemId()) {
+ case android.R.id.home: {
+ if(mCurrentDir != null && mCurrentDir.getParentFile() != null){
+ onBackPressed();
+ }
+ break;
+ }
+ default:
+ retval = false;
+ }
+ return retval;
+ }
+
+
+ @Override
+ public boolean onNavigationItemSelected(int itemPosition, long itemId) {
+ int i = itemPosition;
+ while (i-- != 0) {
+ onBackPressed();
+ }
+ // the next operation triggers a new call to this method, but it's necessary to
+ // ensure that the name exposed in the action bar is the current directory when the
+ // user selected it in the navigation list
+ if (itemPosition != 0)
+ getSupportActionBar().setSelectedNavigationItem(0);
+ return true;
+ }
+
+
+ @Override
+ public void onBackPressed() {
+ if (mDirectories.getCount() <= 1) {
+ finish();
+ return;
+ }
+ popDirname();
+ mFileListFragment.onNavigateUp();
+ mCurrentDir = mFileListFragment.getCurrentDirectory();
+
+ if(mCurrentDir.getParentFile() == null){
+ ActionBar actionBar = getSupportActionBar();
+ actionBar.setDisplayHomeAsUpEnabled(false);
+ }
+ }
+
+
+ @Override
+ protected void onSaveInstanceState(Bundle outState) {
+ // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
+ Log.d(TAG, "onSaveInstanceState() start");
+ super.onSaveInstanceState(outState);
+ outState.putString(UploadFilesActivity.EXTRA_DIRECTORY_PATH, mCurrentDir.getAbsolutePath());
+ Log.d(TAG, "onSaveInstanceState() end");
+ }
+
+ @Override
+ protected void onResume() {
+ Log.d(TAG, "onResume() start");
+ super.onResume();
+
+ // List current directory
+ mFileListFragment.listDirectory(mCurrentDir);
+
+ Log.d(TAG, "onResume() end");
+ }
+
+
+ /**
+ * Pushes a directory to the drop down list
+ * @param directory to push
+ * @throws IllegalArgumentException If the {@link File#isDirectory()} returns false.
+ */
+ public void pushDirname(File directory) {
+ if(!directory.isDirectory()){
+ throw new IllegalArgumentException("Only directories may be pushed!");
+ }
+ mDirectories.insert(directory.getName(), 0);
+ mCurrentDir = directory;
+ }
+
+ /**
+ * Pops a directory name from the drop down list
+ * @return True, unless the stack is empty
+ */
+ public boolean popDirname() {
+ mDirectories.remove(mDirectories.getItem(0));
+ return !mDirectories.isEmpty();
+ }
+
+
+ // Custom array adapter to override text colors
+ private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
+
+ public CustomArrayAdapter(UploadFilesActivity ctx, int view) {
+ super(ctx, view);
+ }
+
+ public View getView(int position, View convertView, ViewGroup parent) {
+ View v = super.getView(position, convertView, parent);
+
+ ((TextView) v).setTextColor(getResources().getColorStateList(
+ android.R.color.white));
+ return v;
+ }
+
+ public View getDropDownView(int position, View convertView,
+ ViewGroup parent) {
+ View v = super.getDropDownView(position, convertView, parent);
+
+ ((TextView) v).setTextColor(getResources().getColorStateList(
+ android.R.color.white));
+
+ return v;
+ }
+
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void onDirectoryClick(File directory) {
+ pushDirname(directory);
+ ActionBar actionBar = getSupportActionBar();
+ actionBar.setDisplayHomeAsUpEnabled(true);
+ }
+
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void onFileClick(File file) {
+ // nothing to do
+ }
+
+
+ /**
+ * Performs corresponding action when user presses 'Cancel' or 'Upload' button
+ */
+ @Override
+ public void onClick(View v) {
+ if (v.getId() == R.id.upload_files_btn_cancel) {
+ setResult(RESULT_CANCELED);
+ finish();
+
+ } else if (v.getId() == R.id.upload_files_btn_upload) {
+ Intent data = new Intent();
+ data.putExtra(EXTRA_CHOSEN_FILES, mFileListFragment.getCheckedFilePaths());
+ setResult(RESULT_OK, data);
+ finish();
+ }
+ }
+
+}