1 // Handles related-objects functionality: lookup link for raw_id_fields

     2 // and Add Another links.

     3 

     4 function html_unescape(text) {

     5     // Unescape a string that was escaped using django.utils.html.escape.

     6     text = text.replace(/&lt;/g, '<');

     7     text = text.replace(/>/g, '>');

     8     text = text.replace(/"/g, '"');

     9     text = text.replace(/'/g, "'");

    10     text = text.replace(/&/g, '&');

    11     return text;

    12 }

    13 

    14 // IE doesn't accept periods or dashes in the window name, but the element IDs

    15 // we use to generate popup window names may contain them, therefore we map them

    16 // to allowed characters in a reversible way so that we can locate the correct 

    17 // element when the popup window is dismissed.

    18 function id_to_windowname(text) {

    19     text = text.replace(/\./g, '__dot__');

    20     text = text.replace(/\-/g, '__dash__');

    21     return text;

    22 }

    23 

    24 function windowname_to_id(text) {

    25     text = text.replace(/__dot__/g, '.');

    26     text = text.replace(/__dash__/g, '-');

    27     return text;

    28 }

    29 

    30 function showRelatedObjectLookupPopup(triggeringLink) {

    31     var name = triggeringLink.id.replace(/^lookup_/, '');

    32     name = id_to_windowname(name);

    33     var href;

    34     if (triggeringLink.href.search(/\?/) >= 0) {

    35         href = triggeringLink.href + '&pop=1';

    36     } else {

    37         href = triggeringLink.href + '?pop=1';

    38     }

    39     var win = window.open(href, name, 'height=500,width=800,resizable=yes,scrollbars=yes');

    40     win.focus();

    41     return false;

    42 }

    43 

    44 function dismissRelatedLookupPopup(win, chosenId) {

    45     var name = windowname_to_id(win.name);

    46     var elem = document.getElementById(name);

    47     if (elem.className.indexOf('vManyToManyRawIdAdminField') != -1 && elem.value) {

    48         elem.value += ',' + chosenId;

    49     } else {

    50         document.getElementById(name).value = chosenId;

    51     }

    52     win.close();

    53 }

    54 

    55 function showAddAnotherPopup(triggeringLink) {

    56     var name = triggeringLink.id.replace(/^add_/, '');

    57     name = id_to_windowname(name);

    58     href = triggeringLink.href

    59     if (href.indexOf('?') == -1) {

    60         href += '?_popup=1';

    61     } else {

    62         href  += '&_popup=1';

    63     }

    64     var win = window.open(href, name, 'height=500,width=800,resizable=yes,scrollbars=yes');

    65     win.focus();

    66     return false;

    67 }

    68 

    69 function dismissAddAnotherPopup(win, newId, newRepr) {

    70     // newId and newRepr are expected to have previously been escaped by

    71     // django.utils.html.escape.

    72     newId = html_unescape(newId);

    73     newRepr = html_unescape(newRepr);

    74     var name = windowname_to_id(win.name);

    75     var elem = document.getElementById(name);

    76     if (elem) {

    77         if (elem.nodeName == 'SELECT') {

    78             var o = new Option(newRepr, newId);

    79             elem.options[elem.options.length] = o;

    80             o.selected = true;

    81         } else if (elem.nodeName == 'INPUT') {

    82             if (elem.className.indexOf('vManyToManyRawIdAdminField') != -1 && elem.value) {

    83                 elem.value += ',' + newId;

    84             } else {

    85                 elem.value = newId;

    86             }

    87         }

    88     } else {

    89         var toId = name + "_to";

    90         elem = document.getElementById(toId);

    91         var o = new Option(newRepr, newId);

    92         SelectBox.add_to_cache(toId, o);

    93         SelectBox.redisplay(toId);

    94     }

    95     win.close();

    96 }