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.text.SimpleDateFormat; |
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5 | import java.util.ArrayList; |
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6 | import java.util.Collections; |
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7 | import java.util.Date; |
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8 | import ve.gob.cenditel.tibisaymovil.R; |
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9 | import android.app.Activity; |
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10 | import android.app.AlertDialog; |
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11 | import android.content.DialogInterface; |
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12 | import android.content.Intent; |
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13 | import android.graphics.drawable.Drawable; |
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14 | import android.net.Uri; |
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15 | import android.os.Bundle; |
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16 | import android.util.Log; |
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17 | import android.view.LayoutInflater; |
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18 | import android.view.View; |
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19 | import android.view.ViewGroup; |
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20 | import android.view.View.OnClickListener; |
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21 | import android.view.Window; |
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22 | import android.webkit.MimeTypeMap; |
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23 | import android.widget.AdapterView; |
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24 | import android.widget.ArrayAdapter; |
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25 | import android.widget.BaseAdapter; |
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26 | import android.widget.ImageView; |
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27 | import android.widget.LinearLayout; |
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28 | import android.widget.ListView; |
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29 | import android.widget.RadioButton; |
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30 | import android.widget.TextView; |
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31 | import android.widget.AdapterView.OnItemClickListener; |
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32 | import android.widget.Toast; |
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33 | |
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34 | public class SelectImgHandwrittenSignatureActivity extends Activity implements OnItemClickListener, OnClickListener { |
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35 | |
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36 | private File cwd; |
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37 | private File selected; |
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38 | private FileBrowserView viewHolder; |
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39 | private FileListAdapter listAdapter; |
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40 | private String filterMImeType = "image/png"; |
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41 | private String file_to_sign; |
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42 | |
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43 | @Override |
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44 | protected void onCreate(Bundle savedInstanceState) { |
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45 | //Estilando la barra de titulo |
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46 | final boolean customTitleSupported = requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); |
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47 | |
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48 | super.onCreate(savedInstanceState); |
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49 | |
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50 | this.viewHolder = new FileBrowserView(); |
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51 | |
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52 | if (savedInstanceState != null) { |
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53 | if(savedInstanceState.getString("selected") != null) |
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54 | this.selected = new File(savedInstanceState.getString("selected")); |
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55 | |
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56 | if (this.selected != null) { |
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57 | |
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58 | SelectImgHandwrittenSignatureActivity.this.updateButton |
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59 | (SelectImgHandwrittenSignatureActivity.this.viewHolder.accept,true); |
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60 | |
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61 | } |
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62 | |
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63 | this.cwd = new File(savedInstanceState.getString("cwd")); |
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64 | this.viewHolder.fileList.setAdapter(this.listAdapter = new FileListAdapter(this.cwd.getAbsolutePath(), filterMImeType)); |
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65 | |
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66 | } else { |
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67 | this.selected = null; |
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68 | this.viewHolder.fileList.setAdapter(this.listAdapter = new FileListAdapter()); |
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69 | } |
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70 | |
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71 | |
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72 | boolean enabled = false; |
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73 | if (this.selected != null) |
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74 | enabled = this.viewHolder.accept.isEnabled(); |
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75 | |
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76 | SelectImgHandwrittenSignatureActivity.this.updateButton |
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77 | (SelectImgHandwrittenSignatureActivity.this.viewHolder.accept,enabled); |
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78 | |
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79 | //Estilando Barra de titulo |
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80 | if(customTitleSupported) |
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81 | getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.title_bar); |
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82 | |
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83 | file_to_sign = getIntent().getExtras().getString("FILE_TO_SIGN"); |
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84 | } |
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85 | |
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86 | |
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87 | /** |
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88 | * Provides the data to be shown in the file browser ListView. |
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89 | * |
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90 | * @author José M. Prieto (jmprieto@emergya.com) |
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91 | */ |
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92 | private class FileListAdapter extends BaseAdapter { |
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93 | |
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94 | private final ArrayList<File> directories; |
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95 | private final ArrayList<File> files; |
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96 | |
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97 | private FileListAdapter() { |
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98 | this("/",filterMImeType); |
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99 | } |
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100 | |
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101 | private FileListAdapter(String location) { |
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102 | this(location, ""); |
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103 | } |
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104 | |
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105 | private FileListAdapter(String location, String filterMimeType) { |
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106 | |
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107 | directories = new ArrayList<File>(); |
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108 | files = new ArrayList<File>(); |
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109 | |
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110 | //Obtiene etiqueta que se colocará antes del path que visualizará el usuario |
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111 | String toPathText = SelectImgHandwrittenSignatureActivity.this.getString(R.string.pathstring)+": "; |
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112 | //Coloca el texto de la etiqueta en la vista |
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113 | SelectImgHandwrittenSignatureActivity.this.viewHolder.pathString.setText(toPathText); |
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114 | //Coloca el texto con el path actual |
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115 | SelectImgHandwrittenSignatureActivity.this.viewHolder.path.setText(location); |
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116 | //Crea un objeto file cwd con la ubicacion dada en location |
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117 | SelectImgHandwrittenSignatureActivity.this.cwd = new File(location); |
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118 | //Obtiene el directorio padre del objeto file cwd |
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119 | File parent = SelectImgHandwrittenSignatureActivity.this.cwd.getParentFile(); |
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120 | //Si tiene un padre, lo agrega en la posición cero de la lista de directorios |
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121 | |
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122 | if (parent != null) { |
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123 | directories.add(0, parent); |
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124 | } |
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125 | |
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126 | //Crea un arreglo con las lista de archivos contenidos en el directorio cwd |
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127 | File[] ls = SelectImgHandwrittenSignatureActivity.this.cwd.listFiles(); |
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128 | if (ls != null) { |
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129 | for (File f : ls) { //recorre todos los archivos contenidos en el directorio |
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130 | |
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131 | if (FsUtils.isHiddenOrNotReadable(f)) { // Si son ocultos no hace nada |
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132 | continue; |
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133 | } |
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134 | // Si son directorios los agrega a la lista de directorios a partir de la posición 1 |
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135 | // En la posición 0 se encuentra el directorio padre |
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136 | if (f.isDirectory()) { |
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137 | directories.add(f); |
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138 | } else // De lo contrario lo agrega a la lista de archivos |
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139 | { |
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140 | //Valida tipo de archivo a mostrar |
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141 | Uri selectedUri = Uri.fromFile(f); |
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142 | String fileExtension = MimeTypeMap.getFileExtensionFromUrl(selectedUri.toString()); |
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143 | String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension); |
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144 | |
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145 | // Toast.makeText(FileToSignHandwrittenSignatureActivity.this, |
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146 | // "FileExtension: " + fileExtension + "\n" + |
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147 | // "MimeType: " + mimeType, |
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148 | // Toast.LENGTH_LONG).show(); |
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149 | |
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150 | //Filtra por mimeType |
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151 | if(filterMimeType.isEmpty() || filterMimeType == mimeType) |
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152 | files.add(f); |
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153 | |
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154 | } |
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155 | } |
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156 | } |
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157 | |
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158 | Collections.sort(directories); // Ordena los directorios alfabeticamente |
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159 | Collections.sort(files); // Ordena los archivos alfabeticamente |
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160 | } |
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161 | |
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162 | /** |
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163 | * Retorna cantidad total de elementos que se listarán en el directorio. |
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164 | */ |
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165 | @Override |
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166 | public int getCount() { |
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167 | |
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168 | return directories.size() + files.size(); |
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169 | |
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170 | } |
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171 | |
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172 | /** |
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173 | * Dada una posición en el listado del directorio, retorna un archivo o directorio |
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174 | * según corresponda. |
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175 | */ |
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176 | @Override |
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177 | public File getItem(int position) { |
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178 | |
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179 | if (position < directories.size()) { |
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180 | return directories.get(position); |
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181 | } else { |
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182 | return files.get(position - directories.size()); |
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183 | } |
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184 | } |
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185 | |
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186 | /** |
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187 | * Retorna un código hash para el archivo, permite comparar si dos archivos son los mismos |
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188 | */ |
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189 | @Override |
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190 | public long getItemId(int position) { |
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191 | |
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192 | return getItem(position).hashCode(); |
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193 | } |
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194 | |
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195 | /** |
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196 | * Crea la visualización de cada item del fileBrowser |
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197 | */ |
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198 | @Override |
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199 | public View getView(int position, View convertView, ViewGroup parent) { |
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200 | |
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201 | //Crea la vista de cada fila del filebrowser a partir del layout |
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202 | if (convertView == null) { |
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203 | LayoutInflater inflater = LayoutInflater.from(SelectImgHandwrittenSignatureActivity.this); |
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204 | convertView = inflater.inflate(R.layout.file_to_sign_handwritten_signature_item, parent, false); |
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205 | } |
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206 | |
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207 | // Se enlaza a cada componente del layout |
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208 | ImageView image = (ImageView) convertView.findViewById(R.id.type_image); |
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209 | TextView fileName = (TextView) convertView.findViewById(R.id.filename_text); |
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210 | TextView modified = (TextView) convertView.findViewById(R.id.filename_modified); |
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211 | |
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212 | // Se obtiene el archivo ubicado en position |
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213 | File file = getItem(position); |
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214 | |
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215 | //RadioButton |
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216 | RadioButton radio = (RadioButton) convertView.findViewById(R.id.file_radio); |
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217 | radio.setFocusable(false); |
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218 | |
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219 | // Se asignan los iconos según el tipo de archivo y se oculta el radio en los directorios |
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220 | if (file.isDirectory()) { |
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221 | image.setImageResource(R.drawable.ic_carpeta); |
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222 | radio.setVisibility(View.INVISIBLE); |
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223 | radio.setChecked(false); |
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224 | } else { |
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225 | image.setImageResource(R.drawable.ic_archivo); |
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226 | radio.setVisibility(View.VISIBLE); |
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227 | |
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228 | if (SelectImgHandwrittenSignatureActivity.this.selected == null || |
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229 | SelectImgHandwrittenSignatureActivity.this.selected.hashCode() != file.hashCode()){ |
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230 | radio.setChecked(false); |
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231 | } else{ |
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232 | radio.setChecked(true); |
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233 | } |
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234 | } |
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235 | |
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236 | // Si es el directorio que hace referencia al padre le coloca como nombre ".." |
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237 | if (file.isDirectory() && position == 0 && ! "/".equals(SelectImgHandwrittenSignatureActivity.this.cwd.getAbsolutePath())) { |
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238 | fileName.setText(".."); |
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239 | } else { |
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240 | fileName.setText(file.getName()); |
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241 | } |
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242 | |
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243 | |
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244 | //Datos de modificación del archivo |
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245 | SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy"); |
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246 | Date date = new Date(file.lastModified()); |
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247 | |
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248 | String dateString = SelectImgHandwrittenSignatureActivity.this.getString(R.string.modified)+": "; |
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249 | if (file.lastModified()>0) |
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250 | modified.setText(dateString+sdf.format(date)); |
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251 | else |
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252 | modified.setText(dateString+"-"); |
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253 | |
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254 | return convertView; |
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255 | } |
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256 | |
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257 | /** |
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258 | * Controla la selección de cada item del fileBrowser |
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259 | */ |
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260 | public void select(ListView parent, int position) { |
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261 | |
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262 | File item = getItem(position); |
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263 | //Si es un directorio el seleccionado se hace un llamado del fileBrowser del directorio |
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264 | if (item.isDirectory()) { |
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265 | parent.setAdapter(SelectImgHandwrittenSignatureActivity.this.listAdapter = new FileListAdapter(item.getAbsolutePath(), filterMImeType)); |
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266 | } else { // Si es un archivo |
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267 | |
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268 | //Se agrega el archivo a la lista de seleccionados si no se encuentra en la misma |
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269 | if (SelectImgHandwrittenSignatureActivity.this.selected == null || |
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270 | SelectImgHandwrittenSignatureActivity.this.selected.hashCode() != item.hashCode()){ |
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271 | |
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272 | SelectImgHandwrittenSignatureActivity.this.selected = item; |
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273 | |
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274 | SelectImgHandwrittenSignatureActivity.this.updateButton(SelectImgHandwrittenSignatureActivity.this.viewHolder.accept,true); |
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275 | |
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276 | } |
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277 | else{ // De lo contrario se elimina de la lista de seleccionados |
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278 | |
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279 | SelectImgHandwrittenSignatureActivity.this.selected = null; |
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280 | SelectImgHandwrittenSignatureActivity.this.updateButton(SelectImgHandwrittenSignatureActivity.this.viewHolder.accept,false); |
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281 | |
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282 | } |
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283 | notifyDataSetChanged(); |
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284 | } |
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285 | } |
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286 | } |
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287 | |
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288 | |
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289 | |
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290 | |
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291 | @Override |
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292 | protected void onSaveInstanceState(Bundle outState) { |
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293 | super.onSaveInstanceState(outState); |
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294 | |
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295 | outState.putParcelable("intent", this.getIntent()); |
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296 | outState.putString("cwd", this.cwd.getAbsolutePath()); |
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297 | if(this.selected != null) |
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298 | outState.putString("selected", this.selected.getAbsolutePath()); |
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299 | |
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300 | } |
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301 | |
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302 | private void updateButton(View v, boolean bool) { |
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303 | try{ |
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304 | |
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305 | v.setEnabled(bool); |
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306 | if (v instanceof TextView){ |
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307 | Drawable icon = ((TextView)v).getCompoundDrawables()[1]; |
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308 | if (icon!=null) |
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309 | if (bool) |
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310 | icon.setAlpha(255); |
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311 | else |
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312 | icon.setAlpha(127); |
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313 | } |
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314 | if (v instanceof ImageView){ |
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315 | ImageView result = (ImageView) v; |
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316 | if (bool) |
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317 | result.setAlpha(255); |
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318 | else |
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319 | result.setAlpha(127); |
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320 | } |
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321 | |
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322 | }catch(NullPointerException e){} |
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323 | |
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324 | } |
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325 | |
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326 | private void updateButton(LinearLayout layout, boolean bool) { |
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327 | try{ |
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328 | layout.setEnabled(bool); |
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329 | for (int i=0; i<layout.getChildCount();i++){ |
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330 | this.updateButton(layout.getChildAt(i), bool); |
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331 | } |
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332 | }catch(NullPointerException e){} |
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333 | |
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334 | } |
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335 | |
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336 | |
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337 | |
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338 | /** |
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339 | * Holds references to view objects. |
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340 | * |
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341 | * @author José M. Prieto (jmprieto@emergya.com) |
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342 | */ |
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343 | private class FileBrowserView { |
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344 | |
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345 | public ListView fileList; |
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346 | public TextView path; |
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347 | public LinearLayout accept; |
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348 | public LinearLayout clear; |
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349 | public TextView pathString; |
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350 | |
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351 | public FileBrowserView() { |
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352 | |
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353 | setContentView(R.layout.activity_img_to_sign_handwritten_signature); |
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354 | this.path = (TextView) findViewById(R.id.path); |
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355 | this.pathString = (TextView) findViewById(R.id.pathstring); |
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356 | |
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357 | this.fileList = (ListView) findViewById(R.id.file_list); |
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358 | this.fileList.setOnItemClickListener(SelectImgHandwrittenSignatureActivity.this); |
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359 | this.fileList.setItemsCanFocus(true); |
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360 | |
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361 | |
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362 | this.clear = (LinearLayout) findViewById(R.id.button_clear_zone); |
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363 | this.clear.setOnClickListener(SelectImgHandwrittenSignatureActivity.this); |
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364 | |
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365 | this.accept = (LinearLayout) findViewById(R.id.button_accept_zone); |
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366 | this.accept.setOnClickListener(SelectImgHandwrittenSignatureActivity.this); |
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367 | |
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368 | } |
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369 | } |
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370 | |
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371 | @Override |
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372 | public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
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373 | |
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374 | |
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375 | if (parent.getId() == R.id.file_list) { // user selects a file |
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376 | this.listAdapter.select((ListView) parent, position); |
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377 | |
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378 | } else { // user de-selects a file |
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379 | //this.listAdapter.addIfSameDirectory(selectedAdapter.doUnselect((ListView) parent, position)); |
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380 | |
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381 | } |
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382 | //this.viewHolder.numSelected.setText(Integer.toString(this.selected.size())); |
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383 | } |
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384 | |
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385 | @Override |
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386 | public void onClick(View v) { |
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387 | |
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388 | switch (v.getId()) { |
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389 | |
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390 | |
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391 | case R.id.button_clear_zone: |
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392 | |
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393 | this.selected = null; |
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394 | this.listAdapter.notifyDataSetChanged(); |
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395 | |
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396 | //this.viewHolder.numSelected.setText(""+this.selected.size()); |
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397 | this.updateButton(this.viewHolder.accept, false); |
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398 | break; |
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399 | |
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400 | |
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401 | |
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402 | case R.id.button_accept_zone: |
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403 | |
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404 | Intent intent1 = new Intent(SelectImgHandwrittenSignatureActivity.this, SelectSignUbicationHandwrittenSignatureActivity.class); |
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405 | intent1.putExtra("FILE_TO_SIGN", file_to_sign); |
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406 | intent1.putExtra("IMAGE_CAPTURED", SelectImgHandwrittenSignatureActivity.this.selected.getAbsolutePath()); |
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407 | startActivity(intent1); |
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408 | |
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409 | break; |
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410 | |
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411 | } |
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412 | } |
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413 | |
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414 | |
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415 | |
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416 | |
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417 | } |
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