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comparison app/src/main/java/com/lamerman/FileDialog.java @ 438:d29cce60f393

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migrate from Eclipse to Android Studio
author Carl Byington <carl@five-ten-sg.com>
date Thu, 03 Dec 2015 11:23:55 -0800
parents src/com/lamerman/FileDialog.java@0ce5cc452d02
children
comparison
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437:208b31032318 438:d29cce60f393
1 package com.lamerman;
2
3 import java.io.File;
4 import java.util.ArrayList;
5 import java.util.HashMap;
6 import java.util.List;
7 import java.util.TreeMap;
8
9 import com.five_ten_sg.connectbot.R;
10 import android.app.AlertDialog;
11 import android.app.ListActivity;
12 import android.content.DialogInterface;
13 import android.net.Uri;
14 import android.os.Bundle;
15 import android.view.KeyEvent;
16 import android.view.View;
17 import android.view.View.OnClickListener;
18 import android.view.inputmethod.InputMethodManager;
19 import android.widget.Button;
20 import android.widget.EditText;
21 import android.widget.LinearLayout;
22 import android.widget.ListView;
23 import android.widget.SimpleAdapter;
24 import android.widget.TextView;
25
26 public class FileDialog extends ListActivity {
27
28 private static final String ITEM_KEY = "key";
29 private static final String ITEM_IMAGE = "image";
30 private static final String ROOT = "/";
31
32 public static final String START_PATH = "START_PATH";
33 public static final String RESULT_PATH = "RESULT_PATH";
34 public static final String SELECTION_MODE = "SELECTION_MODE";
35 public static final String TITLE = "TITLE";
36
37 private List<String> path = null;
38 private TextView myPath;
39 private EditText mFileName;
40 private ArrayList<HashMap<String, Object>> mList;
41
42 private Button selectButton;
43
44 private LinearLayout layoutSelect;
45 private LinearLayout layoutCreate;
46 private InputMethodManager inputManager;
47 private String parentPath;
48 private String currentPath = ROOT;
49
50 private int selectionMode = SelectionMode.MODE_CREATE;
51
52 private File selectedFile;
53 private HashMap<String, Integer> lastPositions = new HashMap<String, Integer>();
54
55 /** Called when the activity is first created. */
56 @Override
57 public void onCreate(Bundle savedInstanceState) {
58 super.onCreate(savedInstanceState);
59 setResult(RESULT_CANCELED, getIntent());
60 setContentView(R.layout.file_dialog_main);
61 this.setTitle(String.format("%s: %s",
62 getResources().getText(R.string.app_name),
63 getIntent().getStringExtra(TITLE)));
64 myPath = (TextView) findViewById(R.id.path);
65 mFileName = (EditText) findViewById(R.id.fdEditTextFile);
66 inputManager = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);
67 selectButton = (Button) findViewById(R.id.fdButtonSelect);
68 selectButton.setEnabled(false);
69 selectButton.setOnClickListener(new OnClickListener() {
70 public void onClick(View v) {
71 if (selectedFile != null) {
72 getIntent().setData(Uri.fromFile(selectedFile));
73 setResult(RESULT_OK, getIntent());
74 finish();
75 }
76 }
77 });
78 final Button newButton = (Button) findViewById(R.id.fdButtonNew);
79 newButton.setOnClickListener(new OnClickListener() {
80 public void onClick(View v) {
81 setCreateVisible(v);
82 mFileName.setText("");
83 mFileName.requestFocus();
84 }
85 });
86 final Button cancelButton = (Button) findViewById(R.id.fdButtonCancel);
87 cancelButton.setOnClickListener(new OnClickListener() {
88 public void onClick(View v) {
89 setResult(RESULT_CANCELED, getIntent());
90 finish();
91 }
92 });
93 selectionMode = getIntent().getIntExtra(SELECTION_MODE,
94 SelectionMode.MODE_CREATE);
95
96 if (selectionMode == SelectionMode.MODE_OPEN) {
97 newButton.setEnabled(false);
98 }
99
100 layoutSelect = (LinearLayout) findViewById(R.id.fdLinearLayoutSelect);
101 layoutCreate = (LinearLayout) findViewById(R.id.fdLinearLayoutCreate);
102 layoutCreate.setVisibility(View.GONE);
103 final Button cancelCreateButton = (Button) findViewById(R.id.fdButtonCancelCreate);
104 cancelCreateButton.setOnClickListener(new OnClickListener() {
105 public void onClick(View v) {
106 setSelectVisible(v);
107 }
108 });
109 final Button createButton = (Button) findViewById(R.id.fdButtonCreate);
110 createButton.setOnClickListener(new OnClickListener() {
111 public void onClick(View v) {
112 if (mFileName.getText().length() > 0) {
113 getIntent().putExtra(RESULT_PATH,
114 currentPath + "/" + mFileName.getText());
115 setResult(RESULT_OK, getIntent());
116 finish();
117 }
118 }
119 });
120 String startPath = getIntent().getStringExtra(START_PATH);
121
122 if (startPath != null) {
123 getDir(startPath);
124 }
125 else {
126 getDir(ROOT);
127 }
128 }
129
130 @Override
131 protected void onPause() {
132 String myPathStr = myPath.getText().toString();
133 int idx = myPathStr.lastIndexOf(':');
134 String currPath = myPathStr.substring(idx + 2);
135 getIntent().putExtra(START_PATH, currPath);
136 super.onPause();
137 }
138
139 private void getDir(String dirPath) {
140 boolean useAutoSelection = dirPath.length() < currentPath.length();
141 Integer position = lastPositions.get(parentPath);
142 getDirImpl(dirPath);
143
144 if (position != null && useAutoSelection) {
145 getListView().setSelection(position);
146 }
147 }
148
149 private void getDirImpl(final String dirPath) {
150 currentPath = dirPath;
151 final List<String> item = new ArrayList<String>();
152 path = new ArrayList<String>();
153 mList = new ArrayList<HashMap<String, Object>>();
154 File f = new File(currentPath);
155 File[] files = f.listFiles();
156
157 if (files == null) {
158 currentPath = ROOT;
159 f = new File(currentPath);
160 files = f.listFiles();
161 }
162
163 myPath.setText(getText(R.string.location) + ": " + currentPath);
164
165 if (!currentPath.equals(ROOT)) {
166 item.add(ROOT);
167 addItem(ROOT, R.drawable.folder);
168 path.add(ROOT);
169 item.add("../");
170 addItem("../", R.drawable.folder);
171 path.add(f.getParent());
172 parentPath = f.getParent();
173 }
174
175 TreeMap<String, String> dirsMap = new TreeMap<String, String>();
176 TreeMap<String, String> dirsPathMap = new TreeMap<String, String>();
177 TreeMap<String, String> filesMap = new TreeMap<String, String>();
178 TreeMap<String, String> filesPathMap = new TreeMap<String, String>();
179
180 for (File file : files) {
181 if (file.isDirectory()) {
182 String dirName = file.getName();
183 dirsMap.put(dirName, dirName);
184 dirsPathMap.put(dirName, file.getPath());
185 }
186 else {
187 filesMap.put(file.getName(), file.getName());
188 filesPathMap.put(file.getName(), file.getPath());
189 }
190 }
191
192 item.addAll(dirsMap.tailMap("").values());
193 item.addAll(filesMap.tailMap("").values());
194 path.addAll(dirsPathMap.tailMap("").values());
195 path.addAll(filesPathMap.tailMap("").values());
196 SimpleAdapter fileList = new SimpleAdapter(this, mList,
197 R.layout.file_dialog_row,
198 new String[] { ITEM_KEY, ITEM_IMAGE }, new int[] {
199 R.id.fdrowtext, R.id.fdrowimage
200 });
201
202 for (String dir : dirsMap.tailMap("").values()) {
203 addItem(dir, R.drawable.folder);
204 }
205
206 for (String file : filesMap.tailMap("").values()) {
207 addItem(file, R.drawable.file);
208 }
209
210 fileList.notifyDataSetChanged();
211 setListAdapter(fileList);
212 }
213
214 private void addItem(String fileName, int imageId) {
215 HashMap<String, Object> item = new HashMap<String, Object>();
216 item.put(ITEM_KEY, fileName);
217 item.put(ITEM_IMAGE, imageId);
218 mList.add(item);
219 }
220
221 @Override
222 protected void onListItemClick(ListView l, View v, int position, long id) {
223 File file = new File(path.get(position));
224 setSelectVisible(v);
225
226 if (file.isDirectory()) {
227 selectButton.setEnabled(false);
228
229 if (file.canRead()) {
230 lastPositions.put(currentPath, position);
231 getDir(path.get(position));
232 }
233 else {
234 new AlertDialog.Builder(this)
235 .setIcon(R.drawable.icon)
236 .setTitle(
237 "[" + file.getName() + "] "
238 + getText(R.string.cant_read_folder))
239 .setPositiveButton("OK",
240 new DialogInterface.OnClickListener() {
241 public void onClick(DialogInterface dialog,
242 int which) {
243 }
244 }).show();
245 }
246 }
247 else {
248 selectedFile = file;
249 v.setSelected(true);
250 selectButton.setEnabled(true);
251 }
252 }
253
254 @Override
255 public boolean onKeyDown(int keyCode, KeyEvent event) {
256 if ((keyCode == KeyEvent.KEYCODE_BACK)) {
257 selectButton.setEnabled(false);
258
259 if (layoutCreate.getVisibility() == View.VISIBLE) {
260 layoutCreate.setVisibility(View.GONE);
261 layoutSelect.setVisibility(View.VISIBLE);
262 }
263 else {
264 if (!currentPath.equals(ROOT)) {
265 getDir(parentPath);
266 }
267 else {
268 return super.onKeyDown(keyCode, event);
269 }
270 }
271
272 return true;
273 }
274 else {
275 return super.onKeyDown(keyCode, event);
276 }
277 }
278
279 private void setCreateVisible(View v) {
280 layoutCreate.setVisibility(View.VISIBLE);
281 layoutSelect.setVisibility(View.GONE);
282 inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
283 selectButton.setEnabled(false);
284 }
285
286 private void setSelectVisible(View v) {
287 layoutCreate.setVisibility(View.GONE);
288 layoutSelect.setVisibility(View.VISIBLE);
289 inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
290 selectButton.setEnabled(false);
291 }
292 }