1 /* 2 * Copyright (C) 2016 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * 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.content.Intent; 22 import android.database.DataSetObserver; 23 import android.os.Bundle; 24 import android.os.Parcelable; 25 import android.view.View; 26 import android.view.View.OnClickListener; 27 import android.widget.ListView; 28 29 import com.googlecode.android_scripting.BaseApplication; 30 import com.googlecode.android_scripting.Constants; 31 import com.googlecode.android_scripting.FeaturedInterpreters; 32 import com.googlecode.android_scripting.IntentBuilders; 33 import com.googlecode.android_scripting.R; 34 import com.googlecode.android_scripting.ScriptListAdapter; 35 import com.googlecode.android_scripting.ScriptStorageAdapter; 36 import com.googlecode.android_scripting.interpreter.InterpreterConfiguration; 37 import com.googlecode.android_scripting.interpreter.InterpreterConstants; 38 39 import java.io.File; 40 import java.util.List; 41 42 43 /** 44 * Presents available scripts and returns the selected one. 45 * 46 * @author Damon Kohler (damonkohler@gmail.com) 47 */ 48 public class ScriptPicker extends ListActivity { 49 50 private List<File> mScripts; 51 private ScriptPickerAdapter mAdapter; 52 private InterpreterConfiguration mConfiguration; 53 private File mCurrentDir; 54 private final File mBaseDir = new File(InterpreterConstants.SCRIPTS_ROOT); 55 56 @Override onCreate(Bundle savedInstanceState)57 public void onCreate(Bundle savedInstanceState) { 58 super.onCreate(savedInstanceState); 59 CustomizeWindow.requestCustomTitle(this, "Scripts", R.layout.script_manager); 60 mCurrentDir = mBaseDir; 61 mConfiguration = ((BaseApplication) getApplication()).getInterpreterConfiguration(); 62 mScripts = ScriptStorageAdapter.listExecutableScripts(null, mConfiguration); 63 mAdapter = new ScriptPickerAdapter(this); 64 mAdapter.registerDataSetObserver(new ScriptListObserver()); 65 setListAdapter(mAdapter); 66 } 67 68 @Override onListItemClick(ListView list, View view, int position, long id)69 protected void onListItemClick(ListView list, View view, int position, long id) { 70 final File script = (File) list.getItemAtPosition(position); 71 72 if (script.isDirectory()) { 73 mCurrentDir = script; 74 mAdapter.notifyDataSetInvalidated(); 75 return; 76 } 77 78 //TODO: Take action here based on item click 79 } 80 81 private class ScriptListObserver extends DataSetObserver { 82 @SuppressWarnings("serial") 83 @Override onInvalidated()84 public void onInvalidated() { 85 mScripts = ScriptStorageAdapter.listExecutableScripts(mCurrentDir, mConfiguration); 86 // TODO(damonkohler): Extending the File class here seems odd. 87 if (!mCurrentDir.equals(mBaseDir)) { 88 mScripts.add(0, new File(mCurrentDir.getParent()) { 89 @Override 90 public boolean isDirectory() { 91 return true; 92 } 93 94 @Override 95 public String getName() { 96 return ".."; 97 } 98 }); 99 } 100 } 101 } 102 103 private class ScriptPickerAdapter extends ScriptListAdapter { 104 ScriptPickerAdapter(Context context)105 public ScriptPickerAdapter(Context context) { 106 super(context); 107 } 108 109 @Override getScriptList()110 protected List<File> getScriptList() { 111 return mScripts; 112 } 113 114 } 115 } 116