1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.googlecode.android_scripting.activity; 18 19 import android.app.ListActivity; 20 import android.content.Context; 21 import android.database.DataSetObserver; 22 import android.os.Bundle; 23 import android.view.View; 24 import android.widget.ListView; 25 26 import com.googlecode.android_scripting.BaseApplication; 27 import com.googlecode.android_scripting.R; 28 import com.googlecode.android_scripting.ScriptListAdapter; 29 import com.googlecode.android_scripting.ScriptStorageAdapter; 30 import com.googlecode.android_scripting.interpreter.InterpreterConfiguration; 31 import com.googlecode.android_scripting.interpreter.InterpreterConstants; 32 33 import java.io.File; 34 import java.util.List; 35 36 37 /** 38 * Presents available scripts and returns the selected one. 39 * 40 */ 41 public class ScriptPicker extends ListActivity { 42 43 private List<File> mScripts; 44 private ScriptPickerAdapter mAdapter; 45 private InterpreterConfiguration mConfiguration; 46 private File mCurrentDir; 47 private final File mBaseDir = new File(InterpreterConstants.SCRIPTS_ROOT); 48 49 @Override onCreate(Bundle savedInstanceState)50 public void onCreate(Bundle savedInstanceState) { 51 super.onCreate(savedInstanceState); 52 CustomizeWindow.requestCustomTitle(this, "Scripts", R.layout.script_manager); 53 mCurrentDir = mBaseDir; 54 mConfiguration = ((BaseApplication) getApplication()).getInterpreterConfiguration(); 55 mScripts = ScriptStorageAdapter.listExecutableScripts(null, mConfiguration); 56 mAdapter = new ScriptPickerAdapter(this); 57 mAdapter.registerDataSetObserver(new ScriptListObserver()); 58 setListAdapter(mAdapter); 59 } 60 61 @Override onListItemClick(ListView list, View view, int position, long id)62 protected void onListItemClick(ListView list, View view, int position, long id) { 63 final File script = (File) list.getItemAtPosition(position); 64 65 if (script.isDirectory()) { 66 mCurrentDir = script; 67 mAdapter.notifyDataSetInvalidated(); 68 return; 69 } 70 71 //TODO: Take action here based on item click 72 } 73 74 private class ScriptListObserver extends DataSetObserver { 75 @SuppressWarnings("serial") 76 @Override onInvalidated()77 public void onInvalidated() { 78 mScripts = ScriptStorageAdapter.listExecutableScripts(mCurrentDir, mConfiguration); 79 // TODO(damonkohler): Extending the File class here seems odd. 80 if (!mCurrentDir.equals(mBaseDir)) { 81 mScripts.add(0, new File(mCurrentDir.getParent()) { 82 @Override 83 public boolean isDirectory() { 84 return true; 85 } 86 87 @Override 88 public String getName() { 89 return ".."; 90 } 91 }); 92 } 93 } 94 } 95 96 private class ScriptPickerAdapter extends ScriptListAdapter { 97 ScriptPickerAdapter(Context context)98 public ScriptPickerAdapter(Context context) { 99 super(context); 100 } 101 102 @Override getScriptList()103 protected List<File> getScriptList() { 104 return mScripts; 105 } 106 107 } 108 } 109