| /* |
| * Copyright (C) 2014 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.documentsui; |
| |
| import static com.android.documentsui.services.FileOperationService.OPERATION_DELETE; |
| import static com.android.documentsui.services.FileOperationService.OPERATION_MOVE; |
| import static com.android.documentsui.services.FileOperationService.OPERATION_UNKNOWN; |
| |
| import android.app.Activity; |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.app.FragmentTransaction; |
| import android.os.Bundle; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.Button; |
| |
| import com.android.documentsui.model.DocumentInfo; |
| import com.android.documentsui.services.FileOperationService.OpType; |
| |
| /** |
| * Display pick confirmation bar, usually for selecting a directory. |
| */ |
| public class PickFragment extends Fragment { |
| public static final String TAG = "PickFragment"; |
| |
| private int mAction; |
| // Only legal values are OPERATION_COPY, OPERATION_MOVE, and unset (OPERATION_UNKNOWN). |
| private @OpType int mCopyOperationSubType = OPERATION_UNKNOWN; |
| private DocumentInfo mPickTarget; |
| private View mContainer; |
| private Button mPick; |
| private Button mCancel; |
| |
| public static void show(FragmentManager fm) { |
| // Fragment can be restored by FragmentManager automatically. |
| if (get(fm) != null) { |
| return; |
| } |
| |
| final PickFragment fragment = new PickFragment(); |
| final FragmentTransaction ft = fm.beginTransaction(); |
| ft.replace(R.id.container_save, fragment, TAG); |
| ft.commitAllowingStateLoss(); |
| } |
| |
| public static PickFragment get(FragmentManager fm) { |
| return (PickFragment) fm.findFragmentByTag(TAG); |
| } |
| |
| @Override |
| public View onCreateView( |
| LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { |
| mContainer = inflater.inflate(R.layout.fragment_pick, container, false); |
| |
| mPick = (Button) mContainer.findViewById(android.R.id.button1); |
| mPick.setOnClickListener(mPickListener); |
| |
| mCancel = (Button) mContainer.findViewById(android.R.id.button2); |
| mCancel.setOnClickListener(mCancelListener); |
| |
| updateView(); |
| return mContainer; |
| } |
| |
| private View.OnClickListener mPickListener = new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| final DocumentsActivity activity = DocumentsActivity.get(PickFragment.this); |
| activity.onPickRequested(mPickTarget); |
| } |
| }; |
| |
| private View.OnClickListener mCancelListener = new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| final BaseActivity activity = BaseActivity.get(PickFragment.this); |
| activity.setResult(Activity.RESULT_CANCELED); |
| activity.finish(); |
| } |
| }; |
| |
| /** |
| * @param action Which action defined in State is the picker shown for. |
| */ |
| public void setPickTarget( |
| int action, @OpType int copyOperationSubType, DocumentInfo pickTarget) { |
| assert(copyOperationSubType != OPERATION_DELETE); |
| |
| mAction = action; |
| mCopyOperationSubType = copyOperationSubType; |
| mPickTarget = pickTarget; |
| if (mContainer != null) { |
| updateView(); |
| } |
| } |
| |
| /** |
| * Applies the state of fragment to the view components. |
| */ |
| private void updateView() { |
| switch (mAction) { |
| case State.ACTION_OPEN_TREE: |
| mPick.setText(R.string.button_select); |
| mCancel.setVisibility(View.GONE); |
| break; |
| case State.ACTION_PICK_COPY_DESTINATION: |
| mPick.setText(mCopyOperationSubType == OPERATION_MOVE |
| ? R.string.button_move : R.string.button_copy); |
| mCancel.setVisibility(View.VISIBLE); |
| break; |
| default: |
| mContainer.setVisibility(View.GONE); |
| return; |
| } |
| |
| if (mPickTarget != null && ( |
| mAction == State.ACTION_OPEN_TREE || |
| mPickTarget.isCreateSupported())) { |
| mContainer.setVisibility(View.VISIBLE); |
| } else { |
| mContainer.setVisibility(View.GONE); |
| } |
| } |
| } |