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