| /* |
| * Copyright (C) 2012 Google Inc. |
| * Licensed to The Android Open Source Project. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.mail.ui; |
| |
| import android.app.AlertDialog; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.DialogInterface.OnClickListener; |
| import android.content.DialogInterface.OnMultiChoiceClickListener; |
| import android.database.Cursor; |
| import android.text.TextUtils; |
| import android.view.View; |
| import android.widget.AdapterView; |
| |
| import com.android.mail.R; |
| import com.android.mail.providers.Account; |
| import com.android.mail.providers.Conversation; |
| import com.android.mail.providers.Folder; |
| import com.android.mail.providers.UIProvider; |
| import com.android.mail.ui.FolderSelectorAdapter.FolderRow; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map.Entry; |
| |
| public class FoldersSelectionDialog implements OnClickListener, OnMultiChoiceClickListener { |
| private AlertDialog mDialog; |
| private ConversationUpdater mUpdater; |
| private HashMap<Folder, Boolean> mCheckedState; |
| private boolean mSingle = false; |
| private FolderSelectorAdapter mAdapter; |
| private final Collection<Conversation> mTarget; |
| private boolean mBatch; |
| |
| public FoldersSelectionDialog(final Context context, Account account, |
| final ConversationUpdater updater, Collection<Conversation> target, boolean isBatch) { |
| mUpdater = updater; |
| mTarget = target; |
| mBatch = isBatch; |
| |
| // Mapping of a folder's uri to its checked state |
| mCheckedState = new HashMap<Folder, Boolean>(); |
| AlertDialog.Builder builder = new AlertDialog.Builder(context); |
| builder.setTitle(R.string.folder_selection_dialog_title); |
| builder.setPositiveButton(R.string.ok, this); |
| builder.setNegativeButton(R.string.cancel, this); |
| mSingle = !account |
| .supportsCapability(UIProvider.AccountCapabilities.MULTIPLE_FOLDERS_PER_CONV); |
| // TODO: (mindyp) make async |
| final Cursor foldersCursor = context.getContentResolver().query(account.folderListUri, |
| UIProvider.FOLDERS_PROJECTION, null, null, null); |
| try { |
| final HashSet<String> conversationFolders = new HashSet<String>(); |
| for (Conversation conversation: target) { |
| if (conversation != null && !TextUtils.isEmpty(conversation.folderList)) { |
| conversationFolders.addAll(Arrays.asList(TextUtils.split( |
| conversation.folderList, ","))); |
| } |
| } |
| mAdapter = new FolderSelectorAdapter(context, foldersCursor, |
| conversationFolders, mSingle); |
| builder.setAdapter(mAdapter, this); |
| // Pre-load existing conversation folders. |
| if (foldersCursor.moveToFirst()) { |
| do { |
| final String folderUri = foldersCursor.getString(UIProvider.FOLDER_URI_COLUMN); |
| if (conversationFolders.contains(folderUri)) { |
| mCheckedState.put(new Folder(foldersCursor), true); |
| } |
| } while (foldersCursor.moveToNext()); |
| } |
| } finally { |
| foldersCursor.close(); |
| } |
| mDialog = builder.create(); |
| } |
| |
| public void show() { |
| mDialog.show(); |
| mDialog.getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() { |
| @Override |
| public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
| update(mAdapter.getItem(position)); |
| } |
| }); |
| } |
| |
| /** |
| * Call this to update the state of folders as a result of them being |
| * selected / de-selected. |
| * |
| * @param row The item being updated. |
| */ |
| public void update(FolderSelectorAdapter.FolderRow row) { |
| // Update the UI |
| final boolean add = !row.isPresent(); |
| if (mSingle) { |
| if (!add) { |
| // This would remove the check on a single radio button, so just |
| // return. |
| return; |
| } |
| // Clear any other checked items. |
| mAdapter.getCount(); |
| for (int i = 0; i < mAdapter.getCount(); i++) { |
| mAdapter.getItem(i).setIsPresent(false); |
| } |
| mCheckedState.clear(); |
| } |
| row.setIsPresent(add); |
| mAdapter.notifyDataSetChanged(); |
| mCheckedState.put(row.getFolder(), add); |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| switch (which) { |
| case DialogInterface.BUTTON_POSITIVE: |
| final Collection<Folder> folders = new ArrayList<Folder>(); |
| for (Entry<Folder, Boolean> entry : mCheckedState.entrySet()) { |
| if (entry.getValue()) { |
| folders.add(entry.getKey()); |
| } |
| } |
| if (mUpdater != null) { |
| mUpdater.assignFolder(folders, mTarget, mBatch); |
| } |
| break; |
| case DialogInterface.BUTTON_NEGATIVE: |
| break; |
| default: |
| onClick(dialog, which, true); |
| break; |
| } |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which, boolean isChecked) { |
| final FolderRow row = mAdapter.getItem(which); |
| if (mSingle) { |
| // Clear any other checked items. |
| mCheckedState.clear(); |
| isChecked = true; |
| } |
| mCheckedState.put(row.getFolder(), isChecked); |
| mDialog.getListView().setItemChecked(which, false); |
| } |
| } |