course/scales.php

   1 <?PHP // $Id$
   2       // Allows a creator to edit custom scales, and also display help about scales
   3
   4         require_once("../config.php");
   5         require_once("lib.php");
   6
   7     require_variable($id);             // course id
   8     optional_variable($scaleid);  // scale id
   9     optional_variable($name);          // scale name
  10     optional_variable($description);   // scale description
  11     optional_variable($scale);         // scale scale
  12     optional_variable($delete);        // scale id
  13
  14     if (! $course = get_record("course", "id", $id)) {
  15         error("Course ID was incorrect");
  16     }
  17
  18         require_login($course->id);
  19
  20     $strscale = get_string("scale");
  21     $strscales = get_string("scales");
  22     $strcustomscales = get_string("scalescustom");
  23     $strstandardscales = get_string("scalesstandard");
  24     $strname = get_string("name");
  25     $strdescription = get_string("description");
  26     $strsavechanges = get_string("savechanges");
  27     $strchangessaved = get_string("changessaved");
  28     $strdeleted = get_string("deleted");
  29     $strdelete = get_string("delete");
  30
  31
  32     if (isset($_GET['list'])) {       /// Just list the scales (in a helpwindow)
  33
  34         print_header($strscales);
  35
  36         if (isset($_GET['scale'])) {
  37             if ($scale = get_record("scale", "id", "$scale")) {
  38                 $scalemenu = make_menu_from_list($scale->scale);
  39
  40                 print_simple_box_start("center");
  41                 print_heading($scale->name);
  42                 echo "<center>";
  43                 choose_from_menu($scalemenu, "", "", "");
  44                 echo "</center>";
  45                 echo text_to_html($scale->description);
  46                 print_simple_box_end();
  47             }
  48             echo "<br />";
  49             close_window_button();
  50             exit;
  51         }
  52
  53         if ($scales = get_records("scale", "courseid", "$course->id", "name ASC")) {
  54             print_heading($strcustomscales);
  55
  56             if (isteacheredit($course->id)) {
  57                 echo "<p align=\"center\">(";
  58                 print_string("scalestip");
  59                 echo ")</p>";
  60             }
  61
  62             foreach ($scales as $scale) {
  63                 $scalemenu = make_menu_from_list($scale->scale);
  64
  65                 print_simple_box_start("center");
  66                 print_heading($scale->name);
  67                 echo "<center>";
  68                 choose_from_menu($scalemenu, "", "", "");
  69                 echo "</center>";
  70                 echo text_to_html($scale->description);
  71                 print_simple_box_end();
  72                 echo "<hr />";
  73             }
  74
  75         } else {
  76             if (isteacheredit($course->id)) {
  77                 echo "<p align=\"center\">(";
  78                 print_string("scalestip");
  79                 echo ")</p>";
  80             }
  81         }
  82
  83         if ($scales = get_records("scale", "courseid", "0", "name ASC")) {
  84             print_heading($strstandardscales);
  85             foreach ($scales as $scale) {
  86                 $scalemenu = make_menu_from_list($scale->scale);
  87
  88                 print_simple_box_start("center");
  89                 print_heading($scale->name);
  90                 echo "<center>";
  91                 choose_from_menu($scalemenu, "", "", "");
  92                 echo "</center>";
  93                 echo text_to_html($scale->description);
  94                 print_simple_box_end();
  95                 echo "<hr />";
  96             }
  97         }
  98
  99         close_window_button();
 100         exit;
 101     }
 102
 103
 104 /// The rest is all about editing the scales
 105
 106     if (!isteacheredit($course->id)) {
 107         error("Only editing teachers can modify scales !");
 108     }
 109
 110
 111 /// If scale data is being submitted, then save it and continue
 112
 113     $errors = NULL;
 114
 115     if ($form = data_submitted()) {
 116         if (!empty($form->delete)) {       /// Delete a scale
 117             $scale = get_record("scale", "id", $scaleid);
 118             if (delete_records("scale", "id", $scaleid)) {
 119                 $notify = "$scale->name: $strdeleted";
 120             }
 121         } else {                           /// Update scale data
 122             if (empty($form->name)) {
 123                 $errors[$scaleid]->name = true;
 124                 $focus = "form$scaleid.save";
 125             }
 126             if (empty($form->scale)) {
 127                 $errors[$scaleid]->scale = true;
 128                 $focus = "form$scaleid.save";
 129             }
 130
 131             if (!$errors) {
 132                 $newscale=NULL;
 133                 $newscale->name = $form->name;
 134                 $newscale->scale = $form->scale;
 135                 $newscale->description = $form->description;
 136                 $newscale->courseid = $course->id;
 137                 $newscale->userid = $USER->id;
 138                 $newscale->timemodified = time();
 139
 140                 if (empty($scaleid)) {
 141                     if (!insert_record("scale", $newscale)) {
 142                         error("Could not insert the new scale!");
 143                     }
 144                 } else {
 145                     $newscale->id = $scaleid;
 146                     if (!update_record("scale", $newscale)) {
 147                         error("Could not update that scale!");
 148                     }
 149                 }
 150
 151                 $notify = "$newscale->name: $strchangessaved";
 152                 $focus = "form$scaleid.save";
 153             }
 154         }
 155         }
 156
 157
 158 /// Print out the headers
 159
 160         print_header("$course->shortname: $strscales", "$course->fullname",
 161                  "<a href=\"view.php?id=$course->id\">$course->shortname</A>
 162                   -> $strscales", $focus);
 163
 164     print_heading_with_help($strcustomscales, "scales");
 165
 166     if (!empty($notify)) {
 167         notify($notify, "green");
 168     }
 169
 170
 171 /// Otherwise print out all the scale forms
 172
 173     $customscales = get_records("scale", "courseid", "$course->id", "name ASC");
 174
 175     $blankscale->id = "";
 176     $blankscale->name = "";
 177     $blankscale->scale = "";
 178     $blankscale->description = "";
 179     $customscales[] = $blankscale;
 180
 181     foreach ($customscales as $scale) {
 182         if (!empty($errors) and ($form->scaleid == $scale->id)) {
 183             $scale->name = $form->name;
 184             $scale->scale = $form->scale;
 185             $scale->description = $form->description;
 186         }
 187         echo "<form method=\"post\" action=\"scales.php\" name=\"form$scale->id\">";
 188         echo "<table cellpadding=9 cellspacing=0 align=center class=generalbox>";
 189         echo "<tr valign=top>";
 190         if (!empty($errors[$scale->id]->name)) {
 191             $class = "class=\"highlight\"";
 192         } else {
 193             $class = "";
 194         }
 195         echo "<td align=\"right\"><p><b>$strname:</b></p></td>";
 196         echo "<td $class><input type=\"text\" name=\"name\" size=\"50\" value=\"".s($scale->name)."\">";
 197         echo "</td>";
 198         echo "</tr>";
 199         echo "<tr valign=top>";
 200         if (!empty($errors[$scale->id]->scale)) {
 201             $class = "class=\"highlight\"";
 202         } else {
 203             $class = "";
 204         }
 205         echo "<td align=\"right\"><p><b>$strscale:</b></p></td>";
 206         echo "<td $class><textarea name=\"scale\" cols=50 rows=1 wrap=virtual>".s($scale->scale)."</textarea>";
 207         echo "</td>";
 208         echo "</tr>";
 209         echo "<tr valign=top>";
 210         echo "<td align=\"right\"><p><b>$strdescription:</b></p>";
 211         helpbutton("text", get_string("helptext"));
 212         echo "</td>";
 213         echo "<td><textarea name=\"description\" cols=50 rows=8 wrap=virtual>".s($scale->description)."</textarea>";
 214         echo "</td>";
 215         echo "</tr>";
 216         echo "<tr>";
 217             echo "<td colspan=2 align=\"center\">";
 218         echo "<input type=\"hidden\" name=\"id\" value=\"$course->id\">";
 219         echo "<input type=\"hidden\" name=\"scaleid\" value=\"$scale->id\">";
 220         echo "<input type=\"submit\" name=\"save\" value=\"$strsavechanges\">";
 221         if ($scale->id) {
 222             echo "<input type=\"submit\" name=\"delete\" value=\"$strdelete\">";
 223         }
 224         echo "</td></tr></table>";
 225         echo "</form>";
 226         echo "<br />";
 227     }
 228
 229     echo "<br /><hr noshade=\"noshade\" size=\"1\">";
 230
 231
 232     if ($scales = get_records("scale", "courseid", "0", "name ASC")) {
 233         print_heading($strstandardscales);
 234         foreach ($scales as $scale) {
 235             $scalemenu = make_menu_from_list($scale->scale);
 236
 237             print_simple_box_start("center");
 238             print_heading($scale->name);
 239             echo "<center>";
 240             choose_from_menu($scalemenu, "", "", "");
 241             echo "</center>";
 242             echo text_to_html($scale->description);
 243             print_simple_box_end();
 244             echo "<hr />";
 245         }
 246     }
 247
 248     print_footer($course);
 249
 250
 251 ?>