--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/django/js/SelectFilter2.js	Mon Apr 06 03:10:59 2009 +0000
@@ -0,0 +1,113 @@
+/*
+SelectFilter2 - Turns a multiple-select box into a filter interface.
+
+Different than SelectFilter because this is coupled to the admin framework.
+
+Requires core.js, SelectBox.js and addevent.js.
+*/
+
+function findForm(node) {
+    // returns the node of the form containing the given node
+    if (node.tagName.toLowerCase() != 'form') {
+        return findForm(node.parentNode);
+    }
+    return node;
+}
+
+var SelectFilter = {
+    init: function(field_id, field_name, is_stacked, admin_media_prefix) {
+        var from_box = document.getElementById(field_id);
+        from_box.id += '_from'; // change its ID
+        from_box.className = 'filtered';
+
+        // Remove <p class="info">, because it just gets in the way.
+        var ps = from_box.parentNode.getElementsByTagName('p');
+        for (var i=0; i<ps.length; i++) {
+            from_box.parentNode.removeChild(ps[i]);
+        }
+
+        // <div class="selector"> or <div class="selector stacked">
+        var selector_div = quickElement('div', from_box.parentNode);
+        selector_div.className = is_stacked ? 'selector stacked' : 'selector';
+
+        // <div class="selector-available">
+        var selector_available = quickElement('div', selector_div, '');
+        selector_available.className = 'selector-available';
+        quickElement('h2', selector_available, interpolate(gettext('Available %s'), [field_name]));
+        var filter_p = quickElement('p', selector_available, '');
+        filter_p.className = 'selector-filter';
+        quickElement('img', filter_p, '', 'src', admin_media_prefix + 'img/admin/selector-search.gif');
+        filter_p.appendChild(document.createTextNode(' '));
+        var filter_input = quickElement('input', filter_p, '', 'type', 'text');
+        filter_input.id = field_id + '_input';
+        selector_available.appendChild(from_box);
+        var choose_all = quickElement('a', selector_available, gettext('Choose all'), 'href', 'javascript: (function(){ SelectBox.move_all("' + field_id + '_from", "' + field_id + '_to"); })()');
+        choose_all.className = 'selector-chooseall';
+
+        // <ul class="selector-chooser">
+        var selector_chooser = quickElement('ul', selector_div, '');
+        selector_chooser.className = 'selector-chooser';
+        var add_link = quickElement('a', quickElement('li', selector_chooser, ''), gettext('Add'), 'href', 'javascript: (function(){ SelectBox.move("' + field_id + '_from","' + field_id + '_to");})()');
+        add_link.className = 'selector-add';
+        var remove_link = quickElement('a', quickElement('li', selector_chooser, ''), gettext('Remove'), 'href', 'javascript: (function(){ SelectBox.move("' + field_id + '_to","' + field_id + '_from");})()');
+        remove_link.className = 'selector-remove';
+
+        // <div class="selector-chosen">
+        var selector_chosen = quickElement('div', selector_div, '');
+        selector_chosen.className = 'selector-chosen';
+        quickElement('h2', selector_chosen, interpolate(gettext('Chosen %s'), [field_name]));
+        var selector_filter = quickElement('p', selector_chosen, gettext('Select your choice(s) and click '));
+        selector_filter.className = 'selector-filter';
+        quickElement('img', selector_filter, '', 'src', admin_media_prefix + (is_stacked ? 'img/admin/selector_stacked-add.gif':'img/admin/selector-add.gif'), 'alt', 'Add');
+        var to_box = quickElement('select', selector_chosen, '', 'id', field_id + '_to', 'multiple', 'multiple', 'size', from_box.size, 'name', from_box.getAttribute('name'));
+        to_box.className = 'filtered';
+        var clear_all = quickElement('a', selector_chosen, gettext('Clear all'), 'href', 'javascript: (function() { SelectBox.move_all("' + field_id + '_to", "' + field_id + '_from");})()');
+        clear_all.className = 'selector-clearall';
+
+        from_box.setAttribute('name', from_box.getAttribute('name') + '_old');
+
+        // Set up the JavaScript event handlers for the select box filter interface
+        addEvent(filter_input, 'keyup', function(e) { SelectFilter.filter_key_up(e, field_id); });
+        addEvent(filter_input, 'keydown', function(e) { SelectFilter.filter_key_down(e, field_id); });
+        addEvent(from_box, 'dblclick', function() { SelectBox.move(field_id + '_from', field_id + '_to'); });
+        addEvent(to_box, 'dblclick', function() { SelectBox.move(field_id + '_to', field_id + '_from'); });
+        addEvent(findForm(from_box), 'submit', function() { SelectBox.select_all(field_id + '_to'); });
+        SelectBox.init(field_id + '_from');
+        SelectBox.init(field_id + '_to');
+        // Move selected from_box options to to_box
+        SelectBox.move(field_id + '_from', field_id + '_to');
+    },
+    filter_key_up: function(event, field_id) {
+        from = document.getElementById(field_id + '_from');
+        // don't submit form if user pressed Enter
+        if ((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13)) {
+            from.selectedIndex = 0;
+            SelectBox.move(field_id + '_from', field_id + '_to');
+            from.selectedIndex = 0;
+            return false;
+        }
+        var temp = from.selectedIndex;
+        SelectBox.filter(field_id + '_from', document.getElementById(field_id + '_input').value);
+        from.selectedIndex = temp;
+        return true;
+    },
+    filter_key_down: function(event, field_id) {
+        from = document.getElementById(field_id + '_from');
+        // right arrow -- move across
+        if ((event.which && event.which == 39) || (event.keyCode && event.keyCode == 39)) {
+            var old_index = from.selectedIndex;
+            SelectBox.move(field_id + '_from', field_id + '_to');
+            from.selectedIndex = (old_index == from.length) ? from.length - 1 : old_index;
+            return false;
+        }
+        // down arrow -- wrap around
+        if ((event.which && event.which == 40) || (event.keyCode && event.keyCode == 40)) {
+            from.selectedIndex = (from.length == from.selectedIndex + 1) ? 0 : from.selectedIndex + 1;
+        }
+        // up arrow -- wrap around
+        if ((event.which && event.which == 38) || (event.keyCode && event.keyCode == 38)) {
+            from.selectedIndex = (from.selectedIndex == 0) ? from.length - 1 : from.selectedIndex - 1;
+        }
+        return true;
+    }
+}