mod/data/preset.php

   1 <?php // $Id$
   2 /* Preset Menu
   3  *
   4  * This is the page that is the menu item in the config database
   5  * pages.
   6  */
   7
   8 require_once('../../config.php');
   9 require_once('lib.php');
  10 require_once($CFG->libdir.'/uploadlib.php');
  11 require_once($CFG->libdir.'/xmlize.php');
  12
  13
  14 $id       = optional_param('id', 0, PARAM_INT);    // course module id
  15 $d        = optional_param('d', 0, PARAM_INT);     // database activity id
  16 $action   = optional_param('action', 'base', PARAM_ALPHANUM); // current action
  17 $fullname = optional_param('fullname', '', PARAM_PATH); // directory the preset is in
  18 $file     = optional_param('file', '', PARAM_FILE); // uploaded file
  19
  20 // find out preset owner userid and shortname
  21 $parts = explode('/', $fullname);
  22 $userid = empty($parts[0]) ? 0 : (int)$parts[0];
  23 $shortname = empty($parts[1]) ? '' : $parts[1];
  24 unset($parts);
  25 unset($fullname);
  26
  27 if ($id) {
  28     if (! $cm = get_coursemodule_from_id('data', $id)) {
  29         error('Course Module ID was incorrect');
  30     }
  31     if (! $course = get_record('course', 'id', $cm->course)) {
  32         error('Course is misconfigured');
  33     }
  34     if (! $data = get_record('data', 'id', $cm->instance)) {
  35         error('Module Incorrect');
  36     }
  37 } else if ($d) {
  38     if (! $data = get_record('data', 'id', $d)) {
  39         error('Database ID Incorrect');
  40     }
  41     if (! $course = get_record('course', 'id', $data->course)) {
  42         error('Course is misconfigured');
  43     }
  44     if (! $cm = get_coursemodule_from_instance('data', $data->id, $course->id)) {
  45         error('Course Module ID was incorrect');
  46     }
  47 } else {
  48     error('Parameter missing');
  49 }
  50
  51 if (!$context = get_context_instance(CONTEXT_MODULE, $cm->id)) {
  52     error('Could not find context');
  53 }
  54
  55 require_login($course->id, false, $cm);
  56
  57 require_capability('mod/data:managetemplates', $context);
  58
  59 if ($userid && ($userid != $USER->id) && !has_capability('mod/data:viewalluserpresets', $context)) {
  60     error('You are not allowed to access presets from other users');
  61 }
  62
  63 /* Need sesskey security check here for import instruction */
  64 $sesskey = sesskey();
  65
  66 /********************************************************************/
  67 /* Output */
  68 data_print_header($course, $cm, $data, 'presets');
  69
  70 switch ($action) {
  71
  72         /***************** Deleting *****************/
  73     case 'confirmdelete' :
  74         if (!confirm_sesskey()) { // GET request ok here
  75             error("Sesskey Invalid");
  76         }
  77
  78         if ($userid > 0 and ($userid == $USER->id || has_capability('mod/data:manageuserpresets', $context))) {
  79            //ok can delete
  80         } else {
  81             error("Invalid request");
  82         }
  83
  84         $path = data_preset_path($course, $userid, $shortname);
  85
  86         $strwarning = get_string('deletewarning', 'data').'<br />'.
  87                       data_preset_name($shortname, $path);
  88
  89         $options = new object();
  90         $options->fullname = $userid.'/'.$shortname;
  91         $options->action   = 'delete';
  92         $options->d        = $data->id;
  93         $options->sesskey  = sesskey();
  94
  95         $optionsno = new object();
  96         $optionsno->d = $data->id;
  97         notice_yesno($strwarning, 'preset.php', 'preset.php', $options, $optionsno, 'post', 'get');
  98         print_footer($course);
  99         exit;
 100         break;
 101
 102     case 'delete' :
 103         if (!data_submitted() and !confirm_sesskey()) {
 104             error("Invalid request");
 105         }
 106
 107         if ($userid > 0 and ($userid == $USER->id || has_capability('mod/data:manageuserpresets', $context))) {
 108            //ok can delete
 109         } else {
 110             error("Invalid request");
 111         }
 112
 113         $presetpath = data_preset_path($course, $userid, $shortname);
 114
 115         if (!clean_preset($presetpath)) {
 116             error("Error deleting a preset!");
 117         }
 118         @rmdir($presetpath);
 119
 120         $strdeleted = get_string('deleted', 'data');
 121         notify("$shortname $strdeleted", 'notifysuccess');
 122
 123         break;
 124
 125
 126         /***************** Importing *****************/
 127     case 'importpreset' :
 128         if (!data_submitted() or !confirm_sesskey()) {
 129             error("Invalid request");
 130         }
 131
 132         $pimporter = new PresetImporter($course, $cm, $data, $userid, $shortname);
 133         $pimporter->import_options();
 134
 135         print_footer($course);
 136         exit;
 137         break;
 138
 139         /* Imports a zip file. */
 140     case 'importzip' :
 141         if (!data_submitted() or !confirm_sesskey()) {
 142             error("Invalid request");
 143         }
 144
 145         if (!make_upload_directory('temp/data/'.$USER->id)) {
 146             error("Can't Create Directory");
 147         }
 148
 149         $presetfile = $CFG->dataroot.'/temp/data/'.$USER->id;
 150         clean_preset($presetfile);
 151
 152         if (!unzip_file($CFG->dataroot."/$course->id/$file", $presetfile, false)) {
 153             error("Can't unzip file");
 154         }
 155
 156         $pimporter = new PresetImporter($course, $cm, $data, -$USER->id, $shortname);
 157         $pimporter->import_options();
 158
 159         print_footer($course);
 160         exit;
 161         break;
 162
 163     case 'finishimport':
 164         if (!data_submitted() or !confirm_sesskey()) {
 165             error("Invalid request");
 166         }
 167
 168         $pimporter = new PresetImporter($course, $cm, $data, $userid, $shortname);
 169         $pimporter->import();
 170
 171         $strimportsuccess = get_string('importsuccess', 'data');
 172         $straddentries = get_string('addentries', 'data');
 173         $strtodatabase = get_string('todatabase', 'data');
 174         if (!get_records('data_records', 'dataid', $data->id)) {
 175             notify("$strimportsuccess <a href='edit.php?d=$data->id'>$straddentries</a> $strtodatabase", 'notifysuccess');
 176         } else {
 177             notify("$strimportsuccess", 'notifysuccess');
 178         }
 179         break;
 180
 181         /* Exports as a zip file ready for download. */
 182     case 'export':
 183         if (!data_submitted() or !confirm_sesskey()) {
 184             error("Invalid request");
 185         }
 186
 187         echo '<div style="text-align:center">';
 188         $file = data_presets_export($course, $cm, $data);
 189         echo get_string('exportedtozip', 'data')."<br />";
 190         $perminantfile = $CFG->dataroot."/$course->id/moddata/data/$data->id/preset.zip";
 191         @unlink($perminantfile);
 192         /* is this created elsewhere? sometimes its not present... */
 193         make_upload_directory("$course->id/moddata/data/$data->id");
 194
 195         /* now just move the zip into this folder to allow a nice download */
 196         if (!rename($file, $perminantfile)) error("Can't move zip");
 197         echo "<a href='$CFG->wwwroot/file.php/$course->id/moddata/data/$data->id/preset.zip'>".get_string('download', 'data')."</a>";
 198         echo '</div>';
 199         break;
 200
 201
 202
 203         /***************** Exporting *****************/
 204     case 'save1':
 205         if (!data_submitted() or !confirm_sesskey()) {
 206             error("Invalid request");
 207         }
 208
 209         $strcontinue = get_string('continue');
 210         $strwarning = get_string('presetinfo', 'data');
 211         $strname = get_string('shortname');
 212
 213         echo '<div style="text-align:center">';
 214         echo '<p>'.$strwarning.'</p>';
 215         echo '<form action="preset.php" method="post">';
 216         echo '<fieldset class="invisiblefieldset">';
 217         echo '<label for="shorname">'.$strname.'</label> <input type="text" id="shorname" name="name" value="'.$data->name.'" />';
 218         echo '<input type="hidden" name="action" value="save2" />';
 219         echo '<input type="hidden" name="d" value="'.$data->id.'" />';
 220         echo '<input type="hidden" name="sesskey" value="'.$sesskey.'" />';
 221         echo '<input type="submit" value="'.$strcontinue.'" /></fieldset></form></div>';
 222         print_footer($course);
 223         exit;
 224         break;
 225
 226     case 'save2':
 227         if (!data_submitted() or !confirm_sesskey()) {
 228             error("Invalid request");
 229         }
 230
 231         $strcontinue = get_string('continue');
 232         $stroverwrite = get_string('overwrite', 'data');
 233         $strname = get_string('shortname');
 234
 235         $name = optional_param('name', $data->name, PARAM_FILE);
 236
 237         if (is_directory_a_preset("$CFG->dataroot/data/preset/$USER->id/$name")) {
 238             notify("Preset already exists: Pick another name or overwrite");
 239
 240             echo '<div style="text-align:center">';
 241             echo '<form action="preset.php" method="post">';
 242             echo '<fieldset class="invisiblefieldset">';
 243             echo '<label for="shorname">'.$strname.'</label> <input type="textbox" name="name" value="'.$name.'" />';
 244             echo '<input type="hidden" name="action" value="save2" />';
 245             echo '<input type="hidden" name="d" value="'.$data->id.'" />';
 246             echo '<input type="hidden" name="sesskey" value="'.$sesskey.'" />';
 247             echo '<input type="submit" value="'.$strcontinue.'" /></fieldset></form>';
 248
 249             echo '<form action="preset.php" method="post">';
 250             echo '<div>';
 251             echo '<input type="hidden" name="name" value="'.$name.'" />';
 252             echo '<input type="hidden" name="action" value="save3" />';
 253             echo '<input type="hidden" name="d" value="'.$data->id.'" />';
 254             echo '<input type="hidden" name="sesskey" value="'.$sesskey.'" />';
 255             echo '<input type="submit" value="'.$stroverwrite.'" /></div></form>';
 256             echo '</div>';
 257             print_footer($course);
 258             exit;
 259             break;
 260         }
 261
 262     case 'save3':
 263         if (!data_submitted() or !confirm_sesskey()) {
 264             error("Invalid request");
 265         }
 266
 267         $name = optional_param('name', $data->name, PARAM_FILE);
 268         $presetdirectory = "/data/preset/$USER->id/$name";
 269
 270         make_upload_directory($presetdirectory);
 271         clean_preset($CFG->dataroot.$presetdirectory);
 272
 273         $file = data_presets_export($course, $cm, $data);
 274         if (!unzip_file($file, $CFG->dataroot.$presetdirectory, false)) {
 275             error("Can't unzip to the preset directory");
 276         }
 277         notify(get_string('savesuccess', 'data'), 'notifysuccess');
 278         break;
 279 }
 280
 281 $presets = data_get_available_presets($context);
 282
 283 $strimport         = get_string('import');
 284 $strfromfile       = get_string('fromfile', 'data');
 285 $strchooseorupload = get_string('chooseorupload', 'data');
 286 $strusestandard    = get_string('usestandard', 'data');
 287 $strchoose         = get_string('choose');
 288 $strexport         = get_string('export', 'data');
 289 $strexportaszip    = get_string('exportaszip', 'data');
 290 $strsaveaspreset   = get_string('saveaspreset', 'data');
 291 $strsave           = get_string('save', 'data');
 292 $strdelete         = get_string('delete');
 293
 294 echo '<div style="text-align:center">';
 295 echo '<table class="presets" cellpadding="5">';
 296 echo '<tr><td valign="top" colspan="2" align="center"><h3>'.$strexport.'</h3></td></tr>';
 297
 298 echo '<tr><td><label>'.$strexportaszip.'</label>';
 299 helpbutton('exportzip', '', 'data');
 300 echo '</td><td>';
 301 $options = new object();
 302 $options->action = 'export';
 303 $options->d = $data->id;
 304 $options->sesskey = sesskey();
 305 print_single_button('preset.php', $options, $strexport, 'post');
 306 echo '</td></tr>';
 307
 308 echo '<tr><td><label>'.$strsaveaspreset.'</label>';
 309 helpbutton('savepreset', '', 'data');
 310 echo '</td><td>';
 311 $options = new object();
 312 $options->action = 'save1';
 313 $options->d = $data->id;
 314 $options->sesskey = sesskey();
 315 print_single_button('preset.php', $options, $strsave, 'post');
 316 echo '</td></tr>';
 317
 318
 319 echo '<tr><td valign="top" colspan="2" align="center"><h3>'.$strimport.'</h3></td></tr>';
 320
 321 echo '<tr><td><label for="fromfile">'.$strfromfile.'</label>';
 322 helpbutton('importfromfile', '', 'data');
 323 echo '</td><td>';
 324
 325 echo '<form id="uploadpreset" method="post" action="preset.php">';
 326 echo '<fieldset class="invisiblefieldset">';
 327 echo '<input type="hidden" name="d" value="'.$data->id.'" />';
 328 echo '<input type="hidden" name="action" value="importzip" />';
 329 echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
 330 echo '<input name="file" size="20" value="" id="fromfile" type="text" /><input name="coursefiles" value="'.$strchooseorupload.'" onclick="return openpopup('."'/files/index.php?id=2&amp;choose=uploadpreset.file', 'coursefiles', 'menubar=0,location=0,scrollbars,resizable,width=750,height=500', 0".');" type="button" />';
 331 echo '<input type="submit" value="'.$strimport.'" />';
 332 echo '</fieldset></form>';
 333 echo '</td></tr>';
 334
 335
 336 echo '<tr valign="top"><td><label>'.$strusestandard.'</label>';
 337 helpbutton('usepreset', '', 'data');
 338 echo '</td><td>';
 339
 340 echo '<form id="presets" method="post" action="preset.php" >';
 341 echo '<fieldset class="invisiblefieldset">';
 342 echo '<input type="hidden" name="d" value="'.$data->id.'" />';
 343 echo '<input type="hidden" name="action" value="importpreset" />';
 344 echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
 345
 346 $i = 0;
 347 foreach ($presets as $id => $preset) {
 348     $screenshot = '';
 349     if (!empty($preset->userid)) {
 350         $user = get_record('user', 'id', $preset->userid);
 351         $desc = $preset->name.' ('.fullname($user, true).')';
 352     } else {
 353         $desc = $preset->name;
 354     }
 355
 356     if (!empty($preset->screenshot)) {
 357         $screenshot = '<img width="150" class="presetscreenshot" src="'.$preset->screenshot.'" alt="'.get_string('screenshot').' '.$desc.'" />&nbsp;';
 358     }
 359
 360     $fullname = $preset->userid.'/'.$preset->shortname;
 361
 362     $dellink = '';
 363     if ($preset->userid > 0 and ($preset->userid == $USER->id || has_capability('mod/data:manageuserpresets', $context))) {
 364         $dellink = '&nbsp;<a href="preset.php?d='.$data->id.'&amp;action=confirmdelete&amp;fullname='.$fullname.'&amp;sesskey='.sesskey().'">'.
 365                    '<img src="'.$CFG->pixpath.'/t/delete.gif" class="iconsmall" alt="'.$strdelete.' '.$desc.'" /></a>';
 366     }
 367
 368     echo '<input type="radio" name="fullname" id="usepreset'.$i.'" value="'.$fullname.'" /><label for="usepreset'.$i++.'">'.$desc.'</label>'.$dellink.'<br />';
 369 }
 370 echo '<br />';
 371 echo '<input type="submit" value="'.$strchoose.'" />';
 372 echo '</fieldset></form>';
 373 echo '</td></tr>';
 374 echo '</table>';
 375 echo '</div>';
 376
 377 print_footer($course);
 378
 379
 380
 381
 382 ?>