bgneal@1: // Handles related-objects functionality: lookup link for raw_id_fields
bgneal@1: // and Add Another links.
bgneal@1: 
bgneal@1: function html_unescape(text) {
bgneal@1:     // Unescape a string that was escaped using django.utils.html.escape.
bgneal@1:     text = text.replace(/&lt;/g, '<');
bgneal@1:     text = text.replace(/&gt;/g, '>');
bgneal@1:     text = text.replace(/&quot;/g, '"');
bgneal@1:     text = text.replace(/&#39;/g, "'");
bgneal@1:     text = text.replace(/&amp;/g, '&');
bgneal@1:     return text;
bgneal@1: }
bgneal@1: 
bgneal@1: // IE doesn't accept periods or dashes in the window name, but the element IDs
bgneal@1: // we use to generate popup window names may contain them, therefore we map them
bgneal@1: // to allowed characters in a reversible way so that we can locate the correct 
bgneal@1: // element when the popup window is dismissed.
bgneal@1: function id_to_windowname(text) {
bgneal@1:     text = text.replace(/\./g, '__dot__');
bgneal@1:     text = text.replace(/\-/g, '__dash__');
bgneal@1:     return text;
bgneal@1: }
bgneal@1: 
bgneal@1: function windowname_to_id(text) {
bgneal@1:     text = text.replace(/__dot__/g, '.');
bgneal@1:     text = text.replace(/__dash__/g, '-');
bgneal@1:     return text;
bgneal@1: }
bgneal@1: 
bgneal@1: function showRelatedObjectLookupPopup(triggeringLink) {
bgneal@1:     var name = triggeringLink.id.replace(/^lookup_/, '');
bgneal@1:     name = id_to_windowname(name);
bgneal@1:     var href;
bgneal@1:     if (triggeringLink.href.search(/\?/) >= 0) {
bgneal@1:         href = triggeringLink.href + '&pop=1';
bgneal@1:     } else {
bgneal@1:         href = triggeringLink.href + '?pop=1';
bgneal@1:     }
bgneal@1:     var win = window.open(href, name, 'height=500,width=800,resizable=yes,scrollbars=yes');
bgneal@1:     win.focus();
bgneal@1:     return false;
bgneal@1: }
bgneal@1: 
bgneal@1: function dismissRelatedLookupPopup(win, chosenId) {
bgneal@1:     var name = windowname_to_id(win.name);
bgneal@1:     var elem = document.getElementById(name);
bgneal@1:     if (elem.className.indexOf('vManyToManyRawIdAdminField') != -1 && elem.value) {
bgneal@1:         elem.value += ',' + chosenId;
bgneal@1:     } else {
bgneal@1:         document.getElementById(name).value = chosenId;
bgneal@1:     }
bgneal@1:     win.close();
bgneal@1: }
bgneal@1: 
bgneal@1: function showAddAnotherPopup(triggeringLink) {
bgneal@1:     var name = triggeringLink.id.replace(/^add_/, '');
bgneal@1:     name = id_to_windowname(name);
bgneal@1:     href = triggeringLink.href
bgneal@1:     if (href.indexOf('?') == -1) {
bgneal@1:         href += '?_popup=1';
bgneal@1:     } else {
bgneal@1:         href  += '&_popup=1';
bgneal@1:     }
bgneal@1:     var win = window.open(href, name, 'height=500,width=800,resizable=yes,scrollbars=yes');
bgneal@1:     win.focus();
bgneal@1:     return false;
bgneal@1: }
bgneal@1: 
bgneal@1: function dismissAddAnotherPopup(win, newId, newRepr) {
bgneal@1:     // newId and newRepr are expected to have previously been escaped by
bgneal@1:     // django.utils.html.escape.
bgneal@1:     newId = html_unescape(newId);
bgneal@1:     newRepr = html_unescape(newRepr);
bgneal@1:     var name = windowname_to_id(win.name);
bgneal@1:     var elem = document.getElementById(name);
bgneal@1:     if (elem) {
bgneal@1:         if (elem.nodeName == 'SELECT') {
bgneal@1:             var o = new Option(newRepr, newId);
bgneal@1:             elem.options[elem.options.length] = o;
bgneal@1:             o.selected = true;
bgneal@1:         } else if (elem.nodeName == 'INPUT') {
bgneal@1:             elem.value = newId;
bgneal@1:         }
bgneal@1:     } else {
bgneal@1:         var toId = name + "_to";
bgneal@1:         elem = document.getElementById(toId);
bgneal@1:         var o = new Option(newRepr, newId);
bgneal@1:         SelectBox.add_to_cache(toId, o);
bgneal@1:         SelectBox.redisplay(toId);
bgneal@1:     }
bgneal@1:     win.close();
bgneal@1: }