1 | package ve.gob.cenditel.tibisaymovil; |
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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.Collections; |
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6 | import java.util.List; |
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7 | |
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8 | import android.app.Activity; |
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9 | import android.content.Intent; |
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10 | import android.net.Uri; |
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11 | import android.os.Bundle; |
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12 | import android.os.Environment; |
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13 | import android.view.LayoutInflater; |
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14 | import android.view.View; |
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15 | import android.view.ViewGroup; |
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16 | import android.widget.AdapterView; |
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17 | import android.widget.AdapterView.OnItemClickListener; |
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18 | import android.widget.BaseAdapter; |
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19 | import android.widget.ImageView; |
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20 | import android.widget.ListView; |
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21 | import android.widget.TextView; |
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22 | |
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23 | /** |
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24 | * Activity to select a single PKCS12 file, browsing the file system. |
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25 | * |
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26 | * @author José M. Prieto (jmprieto@emergya.com) |
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27 | */ |
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28 | public class PKCS12FilePickerActivity extends Activity |
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29 | implements OnItemClickListener { |
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30 | |
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31 | private File cwd; |
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32 | private FileBrowserView viewHolder; |
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33 | private FileListAdapter listAdapter; |
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34 | |
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35 | /** Called when the activity is first created. */ |
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36 | @Override |
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37 | public void onCreate(Bundle savedInstanceState) { |
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38 | |
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39 | super.onCreate(savedInstanceState); |
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40 | PKCS12FilePickerActivity.this.viewHolder = new FileBrowserView(); |
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41 | PKCS12FilePickerActivity.this.viewHolder.fileList.setAdapter( |
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42 | PKCS12FilePickerActivity.this.listAdapter = new FileListAdapter()); |
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43 | } |
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44 | |
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45 | @Override |
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46 | public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
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47 | |
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48 | this.listAdapter.select((ListView) parent, position); |
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49 | } |
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50 | |
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51 | @Override |
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52 | public void onBackPressed() { |
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53 | if ("/".equals(this.cwd.getAbsolutePath())) { |
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54 | super.onBackPressed(); |
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55 | } else { |
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56 | this.viewHolder.fileList.setAdapter(this.listAdapter = new FileListAdapter(cwd.getParent())); |
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57 | } |
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58 | } |
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59 | |
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60 | @Override |
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61 | protected void onPause() { |
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62 | |
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63 | super.onPause(); |
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64 | // TODO Auto-generated method stub |
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65 | } |
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66 | |
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67 | @Override |
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68 | protected void onResume() { |
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69 | |
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70 | super.onResume(); |
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71 | // TODO Auto-generated method stub |
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72 | } |
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73 | |
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74 | /** |
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75 | * Provides the data to be shown in the file browser ListView. |
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76 | * |
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77 | * @author José M. Prieto (jmprieto@emergya.com) |
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78 | */ |
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79 | private class FileListAdapter extends BaseAdapter { |
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80 | |
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81 | private final List<File> directories; |
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82 | private final List<File> files; |
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83 | |
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84 | private FileListAdapter() { |
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85 | this(Environment.getExternalStorageDirectory().getAbsolutePath()); |
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86 | } |
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87 | |
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88 | private FileListAdapter(String location) { |
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89 | |
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90 | PKCS12FilePickerActivity.this.viewHolder.path.setText(location); |
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91 | |
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92 | directories = new ArrayList<File>(); |
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93 | files = new ArrayList<File>(); |
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94 | |
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95 | PKCS12FilePickerActivity.this.cwd = new File(location); |
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96 | File parent = PKCS12FilePickerActivity.this.cwd.getParentFile(); |
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97 | if (parent != null) { |
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98 | directories.add(0, parent); |
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99 | } |
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100 | |
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101 | File[] ls = PKCS12FilePickerActivity.this.cwd.listFiles(); |
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102 | if (ls != null) { |
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103 | for (File f : ls) { |
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104 | if (FsUtils.isHiddenOrNotReadable(f)) { |
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105 | continue; |
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106 | } |
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107 | if (f.isDirectory()) { |
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108 | directories.add(f); |
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109 | } else { |
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110 | String name = f.getName(); |
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111 | if (name.length() >= 4) { |
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112 | String extension = f.getName().substring(f.getName().length() - 4); |
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113 | if (extension.equalsIgnoreCase(".p12") || extension.equalsIgnoreCase(".pfx") || true) { |
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114 | files.add(f); |
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115 | } |
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116 | } |
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117 | } |
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118 | } |
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119 | } |
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120 | |
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121 | Collections.sort(directories); |
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122 | Collections.sort(files); |
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123 | } |
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124 | |
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125 | @Override |
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126 | public int getCount() { |
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127 | |
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128 | return directories.size() + files.size(); |
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129 | } |
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130 | |
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131 | @Override |
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132 | public File getItem(int position) { |
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133 | |
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134 | if (position < directories.size()) { |
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135 | return directories.get(position); |
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136 | } else { |
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137 | return files.get(position - directories.size()); |
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138 | } |
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139 | } |
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140 | |
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141 | @Override |
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142 | public long getItemId(int position) { |
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143 | |
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144 | return getItem(position).hashCode(); |
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145 | } |
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146 | |
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147 | @Override |
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148 | public View getView(int position, View convertView, ViewGroup parent) { |
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149 | |
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150 | if (convertView == null) { |
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151 | LayoutInflater inflater = LayoutInflater.from(PKCS12FilePickerActivity.this); |
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152 | //TODO: CANT USE THE SAME LAYOUT AS FILEBROWSER |
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153 | convertView = inflater.inflate(R.layout.cert_browser_item, parent, false); |
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154 | } |
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155 | |
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156 | |
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157 | ImageView image = (ImageView) convertView.findViewById(R.id.type_image); |
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158 | TextView fileName = (TextView) convertView.findViewById(R.id.filename_text); |
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159 | File file = getItem(position); |
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160 | |
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161 | if (file.isDirectory()) { |
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162 | //image.setImageResource(R.drawable.ico_carpeta); |
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163 | image.setImageResource(R.drawable.ic_carpeta); |
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164 | } else { |
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165 | //image.setImageResource(R.drawable.ico_archivo); |
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166 | image.setImageResource(R.drawable.ic_archivo); |
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167 | } |
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168 | |
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169 | if (file.isDirectory() && position == 0 && ! "/".equals(PKCS12FilePickerActivity.this.cwd.getAbsolutePath())) { |
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170 | fileName.setText(".."); |
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171 | } else { |
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172 | fileName.setText(file.getName()); |
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173 | } |
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174 | |
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175 | return convertView; |
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176 | } |
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177 | |
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178 | /** |
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179 | * Select a file. If the file is a directory, list files in that directory, else hide the file and add it to |
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180 | * the list of selected files. |
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181 | * |
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182 | * @param parent the ListView |
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183 | * @param position index of the file to remove |
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184 | */ |
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185 | public void select(ListView parent, int position) { |
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186 | |
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187 | final File item = getItem(position); |
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188 | if (item.isDirectory()) { |
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189 | parent.setAdapter(PKCS12FilePickerActivity.this.listAdapter = new FileListAdapter(item.getAbsolutePath())); |
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190 | } else { |
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191 | PKCS12FilePickerActivity.this.setResult(Activity.RESULT_OK, new Intent() {{ setData(Uri.fromFile(item)); }}); |
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192 | PKCS12FilePickerActivity.this.finish(); |
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193 | } |
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194 | } |
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195 | } |
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196 | |
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197 | /** |
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198 | * Holds references to view objects. |
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199 | * |
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200 | * @author José M. Prieto (jmprieto@emergya.com) |
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201 | */ |
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202 | private class FileBrowserView { |
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203 | |
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204 | public ListView fileList; |
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205 | public TextView path; |
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206 | |
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207 | public FileBrowserView() { |
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208 | |
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209 | setContentView(R.layout.single_file_browser); |
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210 | this.path = (TextView) findViewById(R.id.path); |
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211 | this.fileList = (ListView) findViewById(R.id.file_list); |
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212 | this.fileList.setOnItemClickListener(PKCS12FilePickerActivity.this); |
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213 | } |
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214 | } |
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215 | } |
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