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 // fill in missing properties needed for updating of instance
  52 $data->course     = $cm->course;
  53 $data->cmidnumber = $cm->idnumber;
  54 $data->instance   = $cm->instance;
  55
  56 if (!$context = get_context_instance(CONTEXT_MODULE, $cm->id)) {
  57     error('Could not find context');
  58 }
  59
  60 require_login($course->id, false, $cm);
  61
  62 require_capability('mod/data:managetemplates', $context);
  63
  64 if ($userid && ($userid != $USER->id) && !has_capability('mod/data:viewalluserpresets', $context)) {
  65     error('You are not allowed to access presets from other users');
  66 }
  67
  68 /* Need sesskey security check here for import instruction */
  69 $sesskey = sesskey();
  70
  71 /********************************************************************/
  72 /* Output */
  73 data_print_header($course, $cm, $data, 'presets');
  74
  75 switch ($action) {
  76
  77         /***************** Deleting *****************/
  78     case 'confirmdelete' :
  79         if (!confirm_sesskey()) { // GET request ok here
  80             error("Sesskey Invalid");
  81         }
  82
  83         if ($userid > 0 and ($userid == $USER->id || has_capability('mod/data:manageuserpresets', $context))) {
  84            //ok can delete
  85         } else {
  86             error("Invalid request");
  87         }
  88
  89         $path = data_preset_path($course, $userid, $shortname);
  90
  91         $strwarning = get_string('deletewarning', 'data').'<br />'.
  92                       data_preset_name($shortname, $path);
  93
  94         $options = new object();
  95         $options->fullname = $userid.'/'.$shortname;
  96         $options->action   = 'delete';
  97         $options->d        = $data->id;
  98         $options->sesskey  = sesskey();
  99
 100         $optionsno = new object();
 101         $optionsno->d = $data->id;
 102         notice_yesno($strwarning, 'preset.php', 'preset.php', $options, $optionsno, 'post', 'get');
 103         print_footer($course);
 104         exit;
 105         break;
 106
 107     case 'delete' :
 108         if (!data_submitted() and !confirm_sesskey()) {
 109             error("Invalid request");
 110         }
 111
 112         if ($userid > 0 and ($userid == $USER->id || has_capability('mod/data:manageuserpresets', $context))) {
 113            //ok can delete
 114         } else {
 115             error("Invalid request");
 116         }
 117
 118         $presetpath = data_preset_path($course, $userid, $shortname);
 119
 120         if (!clean_preset($presetpath)) {
 121             error("Error deleting a preset!");
 122         }
 123         @rmdir($presetpath);
 124
 125         $strdeleted = get_string('deleted', 'data');
 126         notify("$shortname $strdeleted", 'notifysuccess');
 127
 128         break;
 129
 130
 131         /***************** Importing *****************/
 132     case 'importpreset' :
 133         if (!data_submitted() or !confirm_sesskey()) {
 134             error("Invalid request");
 135         }
 136
 137         $pimporter = new PresetImporter($course, $cm, $data, $userid, $shortname);
 138         $pimporter->import_options();
 139
 140         print_footer($course);
 141         exit;
 142         break;
 143
 144         /* Imports a zip file. */
 145     case 'importzip' :
 146         if (!data_submitted() or !confirm_sesskey()) {
 147             error("Invalid request");
 148         }
 149
 150         if (!make_upload_directory('temp/data/'.$USER->id)) {
 151             error("Can't Create Directory");
 152         }
 153
 154         $presetfile = $CFG->dataroot.'/temp/data/'.$USER->id;
 155         clean_preset($presetfile);
 156
 157         if (!unzip_file($CFG->dataroot."/$course->id/$file", $presetfile, false)) {
 158             error("Can't unzip file");
 159         }
 160
 161         $pimporter = new PresetImporter($course, $cm, $data, -$USER->id, $shortname);
 162         $pimporter->import_options();
 163
 164         print_footer($course);
 165         exit;
 166         break;
 167
 168     case 'finishimport':
 169         if (!data_submitted() or !confirm_sesskey()) {
 170             error("Invalid request");
 171         }
 172
 173         $pimporter = new PresetImporter($course, $cm, $data, $userid, $shortname);
 174         $pimporter->import();
 175
 176         $strimportsuccess = get_string('importsuccess', 'data');
 177         $straddentries = get_string('addentries', 'data');
 178         $strtodatabase = get_string('todatabase', 'data');
 179         if (!get_records('data_records', 'dataid', $data->id)) {
 180             notify("$strimportsuccess <a href='edit.php?d=$data->id'>$straddentries</a> $strtodatabase", 'notifysuccess');
 181         } else {
 182             notify("$strimportsuccess", 'notifysuccess');
 183         }
 184         break;
 185
 186         /* Exports as a zip file ready for download. */
 187     case 'export':
 188         if (!data_submitted() or !confirm_sesskey()) {
 189             error("Invalid request");
 190         }
 191
 192         echo '<div style="text-align:center">';
 193         $file = data_presets_export($course, $cm, $data);
 194         echo get_string('exportedtozip', 'data')."<br />";
 195         $perminantfile = $CFG->dataroot."/$course->id/moddata/data/$data->id/preset.zip";
 196         @unlink($perminantfile);
 197         /* is this created elsewhere? sometimes its not present... */
 198         make_upload_directory("$course->id/moddata/data/$data->id");
 199
 200         /* now just move the zip into this folder to allow a nice download */
 201         if (!rename($file, $perminantfile)) error("Can't move zip");
 202         echo "<a href='$CFG->wwwroot/file.php/$course->id/moddata/data/$data->id/preset.zip'>".get_string('download', 'data')."</a>";
 203         echo '</div>';
 204         break;
 205
 206
 207
 208         /***************** Exporting *****************/
 209     case 'save1':
 210         if (!data_submitted() or !confirm_sesskey()) {
 211             error("Invalid request");
 212         }
 213
 214         $strcontinue = get_string('continue');
 215         $strwarning = get_string('presetinfo', 'data');
 216         $strname = get_string('shortname');
 217
 218         echo '<div style="text-align:center">';
 219         echo '<p>'.$strwarning.'</p>';
 220         echo '<form action="preset.php" method="post">';
 221         echo '<fieldset class="invisiblefieldset">';
 222         echo '<label for="shorname">'.$strname.'</label> <input type="text" id="shorname" name="name" value="'.$data->name.'" />';
 223         echo '<input type="hidden" name="action" value="save2" />';
 224         echo '<input type="hidden" name="d" value="'.$data->id.'" />';
 225         echo '<input type="hidden" name="sesskey" value="'.$sesskey.'" />';
 226         echo '<input type="submit" value="'.$strcontinue.'" /></fieldset></form></div>';
 227         print_footer($course);
 228         exit;
 229         break;
 230
 231     case 'save2':
 232         if (!data_submitted() or !confirm_sesskey()) {
 233             error("Invalid request");
 234         }
 235
 236         $strcontinue = get_string('continue');
 237         $stroverwrite = get_string('overwrite', 'data');
 238         $strname = get_string('shortname');
 239
 240         $name = optional_param('name', $data->name, PARAM_FILE);
 241
 242         if (is_directory_a_preset("$CFG->dataroot/data/preset/$USER->id/$name")) {
 243             notify("Preset already exists: Pick another name or overwrite");
 244
 245             echo '<div style="text-align:center">';
 246             echo '<form action="preset.php" method="post">';
 247             echo '<fieldset class="invisiblefieldset">';
 248             echo '<label for="shorname">'.$strname.'</label> <input type="textbox" name="name" value="'.$name.'" />';
 249             echo '<input type="hidden" name="action" value="save2" />';
 250             echo '<input type="hidden" name="d" value="'.$data->id.'" />';
 251             echo '<input type="hidden" name="sesskey" value="'.$sesskey.'" />';
 252             echo '<input type="submit" value="'.$strcontinue.'" /></fieldset></form>';
 253
 254             echo '<form action="preset.php" method="post">';
 255             echo '<div>';
 256             echo '<input type="hidden" name="name" value="'.$name.'" />';
 257             echo '<input type="hidden" name="action" value="save3" />';
 258             echo '<input type="hidden" name="d" value="'.$data->id.'" />';
 259             echo '<input type="hidden" name="sesskey" value="'.$sesskey.'" />';
 260             echo '<input type="submit" value="'.$stroverwrite.'" /></div></form>';
 261             echo '</div>';
 262             print_footer($course);
 263             exit;
 264             break;
 265         }
 266
 267     case 'save3':
 268         if (!data_submitted() or !confirm_sesskey()) {
 269             error("Invalid request");
 270         }
 271
 272         $name = optional_param('name', $data->name, PARAM_FILE);
 273         $presetdirectory = "/data/preset/$USER->id/$name";
 274
 275         make_upload_directory($presetdirectory);
 276         clean_preset($CFG->dataroot.$presetdirectory);
 277
 278         $file = data_presets_export($course, $cm, $data);
 279         if (!unzip_file($file, $CFG->dataroot.$presetdirectory, false)) {
 280             error("Can't unzip to the preset directory");
 281         }
 282         notify(get_string('savesuccess', 'data'), 'notifysuccess');
 283         break;
 284 }
 285
 286 $presets = data_get_available_presets($context);
 287
 288 $strimport         = get_string('import');
 289 $strfromfile       = get_string('fromfile', 'data');
 290 $strchooseorupload = get_string('chooseorupload', 'data');
 291 $strusestandard    = get_string('usestandard', 'data');
 292 $strchoose         = get_string('choose');
 293 $strexport         = get_string('export', 'data');
 294 $strexportaszip    = get_string('exportaszip', 'data');
 295 $strsaveaspreset   = get_string('saveaspreset', 'data');
 296 $strsave           = get_string('save', 'data');
 297 $strdelete         = get_string('delete');
 298
 299 echo '<div style="text-align:center">';
 300 echo '<table class="presets" cellpadding="5">';
 301 echo '<tr><td valign="top" colspan="2" align="center"><h3>'.$strexport.'</h3></td></tr>';
 302
 303 echo '<tr><td><label>'.$strexportaszip.'</label>';
 304 helpbutton('exportzip', '', 'data');
 305 echo '</td><td>';
 306 $options = new object();
 307 $options->action = 'export';
 308 $options->d = $data->id;
 309 $options->sesskey = sesskey();
 310 print_single_button('preset.php', $options, $strexport, 'post');
 311 echo '</td></tr>';
 312
 313 echo '<tr><td><label>'.$strsaveaspreset.'</label>';
 314 helpbutton('savepreset', '', 'data');
 315 echo '</td><td>';
 316 $options = new object();
 317 $options->action = 'save1';
 318 $options->d = $data->id;
 319 $options->sesskey = sesskey();
 320 print_single_button('preset.php', $options, $strsave, 'post');
 321 echo '</td></tr>';
 322
 323
 324 echo '<tr><td valign="top" colspan="2" align="center"><h3>'.$strimport.'</h3></td></tr>';
 325
 326 echo '<tr><td><label for="fromfile">'.$strfromfile.'</label>';
 327 helpbutton('importfromfile', '', 'data');
 328 echo '</td><td>';
 329
 330 echo '<form id="uploadpreset" method="post" action="preset.php">';
 331 echo '<fieldset class="invisiblefieldset">';
 332 echo '<input type="hidden" name="d" value="'.$data->id.'" />';
 333 echo '<input type="hidden" name="action" value="importzip" />';
 334 echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
 335 echo '<input name="file" size="20" value="" id="fromfile" type="text" /><input name="coursefiles" value="'.$strchooseorupload.'" onclick="return openpopup('."'/files/index.php?id=2&amp;choose=uploadpreset.file', 'coursefiles', 'menubar=0,location=0,scrollbars,resizable,width=750,height=500', 0".');" type="button" />';
 336 echo '<input type="submit" value="'.$strimport.'" />';
 337 echo '</fieldset></form>';
 338 echo '</td></tr>';
 339
 340
 341 echo '<tr valign="top"><td><label>'.$strusestandard.'</label>';
 342 helpbutton('usepreset', '', 'data');
 343 echo '</td><td>';
 344
 345 echo '<form id="presets" method="post" action="preset.php" >';
 346 echo '<fieldset class="invisiblefieldset">';
 347 echo '<input type="hidden" name="d" value="'.$data->id.'" />';
 348 echo '<input type="hidden" name="action" value="importpreset" />';
 349 echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
 350
 351 $i = 0;
 352 foreach ($presets as $id => $preset) {
 353     $screenshot = '';
 354     if (!empty($preset->userid)) {
 355         $user = get_record('user', 'id', $preset->userid);
 356         $desc = $preset->name.' ('.fullname($user, true).')';
 357     } else {
 358         $desc = $preset->name;
 359     }
 360
 361     if (!empty($preset->screenshot)) {
 362         $screenshot = '<img width="150" class="presetscreenshot" src="'.$preset->screenshot.'" alt="'.get_string('screenshot').' '.$desc.'" />&nbsp;';
 363     }
 364
 365     $fullname = $preset->userid.'/'.$preset->shortname;
 366
 367     $dellink = '';
 368     if ($preset->userid > 0 and ($preset->userid == $USER->id || has_capability('mod/data:manageuserpresets', $context))) {
 369         $dellink = '&nbsp;<a href="preset.php?d='.$data->id.'&amp;action=confirmdelete&amp;fullname='.$fullname.'&amp;sesskey='.sesskey().'">'.
 370                    '<img src="'.$CFG->pixpath.'/t/delete.gif" class="iconsmall" alt="'.$strdelete.' '.$desc.'" /></a>';
 371     }
 372
 373     echo '<input type="radio" name="fullname" id="usepreset'.$i.'" value="'.$fullname.'" /><label for="usepreset'.$i++.'">'.$desc.'</label>'.$dellink.'<br />';
 374 }
 375 echo '<br />';
 376 echo '<input type="submit" value="'.$strchoose.'" />';
 377 echo '</fieldset></form>';
 378 echo '</td></tr>';
 379 echo '</table>';
 380 echo '</div>';
 381
 382 print_footer($course);
 383
 384
 385
 386
 387 ?>