--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/static/admin/js/admin/RelatedObjectLookups.js	Thu Jan 27 18:59:34 2011 +0100
@@ -0,0 +1,96 @@
+// Handles related-objects functionality: lookup link for raw_id_fields
+// and Add Another links.
+
+function html_unescape(text) {
+    // Unescape a string that was escaped using django.utils.html.escape.
+    text = text.replace(/&lt;/g, '<');
+    text = text.replace(/&gt;/g, '>');
+    text = text.replace(/&quot;/g, '"');
+    text = text.replace(/&#39;/g, "'");
+    text = text.replace(/&amp;/g, '&');
+    return text;
+}
+
+// IE doesn't accept periods or dashes in the window name, but the element IDs
+// we use to generate popup window names may contain them, therefore we map them
+// to allowed characters in a reversible way so that we can locate the correct 
+// element when the popup window is dismissed.
+function id_to_windowname(text) {
+    text = text.replace(/\./g, '__dot__');
+    text = text.replace(/\-/g, '__dash__');
+    return text;
+}
+
+function windowname_to_id(text) {
+    text = text.replace(/__dot__/g, '.');
+    text = text.replace(/__dash__/g, '-');
+    return text;
+}
+
+function showRelatedObjectLookupPopup(triggeringLink) {
+    var name = triggeringLink.id.replace(/^lookup_/, '');
+    name = id_to_windowname(name);
+    var href;
+    if (triggeringLink.href.search(/\?/) >= 0) {
+        href = triggeringLink.href + '&pop=1';
+    } else {
+        href = triggeringLink.href + '?pop=1';
+    }
+    var win = window.open(href, name, 'height=500,width=800,resizable=yes,scrollbars=yes');
+    win.focus();
+    return false;
+}
+
+function dismissRelatedLookupPopup(win, chosenId) {
+    var name = windowname_to_id(win.name);
+    var elem = document.getElementById(name);
+    if (elem.className.indexOf('vManyToManyRawIdAdminField') != -1 && elem.value) {
+        elem.value += ',' + chosenId;
+    } else {
+        document.getElementById(name).value = chosenId;
+    }
+    win.close();
+}
+
+function showAddAnotherPopup(triggeringLink) {
+    var name = triggeringLink.id.replace(/^add_/, '');
+    name = id_to_windowname(name);
+    href = triggeringLink.href
+    if (href.indexOf('?') == -1) {
+        href += '?_popup=1';
+    } else {
+        href  += '&_popup=1';
+    }
+    var win = window.open(href, name, 'height=500,width=800,resizable=yes,scrollbars=yes');
+    win.focus();
+    return false;
+}
+
+function dismissAddAnotherPopup(win, newId, newRepr) {
+    // newId and newRepr are expected to have previously been escaped by
+    // django.utils.html.escape.
+    newId = html_unescape(newId);
+    newRepr = html_unescape(newRepr);
+    var name = windowname_to_id(win.name);
+    var elem = document.getElementById(name);
+    if (elem) {
+        if (elem.nodeName == 'SELECT') {
+            var o = new Option(newRepr, newId);
+            elem.options[elem.options.length] = o;
+            o.selected = true;
+        } else if (elem.nodeName == 'INPUT') {
+            if (elem.className.indexOf('vManyToManyRawIdAdminField') != -1 && elem.value) {
+                elem.value += ',' + newId;
+            } else {
+                elem.value = newId;
+            }
+        }
+    } else {
+        var toId = name + "_to";
+        elem = document.getElementById(toId);
+        var o = new Option(newRepr, newId);
+        SelectBox.add_to_cache(toId, o);
+        SelectBox.redisplay(toId);
+    }
+    win.close();
+}