]> scripts.mit.edu Git - autoinstallsdev/wordpress.git/blobdiff - wp-includes/js/jquery/jquery.table-hotkeys.js
Wordpress 2.7.1
[autoinstallsdev/wordpress.git] / wp-includes / js / jquery / jquery.table-hotkeys.js
diff --git a/wp-includes/js/jquery/jquery.table-hotkeys.js b/wp-includes/js/jquery/jquery.table-hotkeys.js
new file mode 100644 (file)
index 0000000..515c8ac
--- /dev/null
@@ -0,0 +1,93 @@
+(function($){
+       $.fn.filter_visible = function(depth) {
+               depth = depth || 3;
+               var is_visible = function() {
+                       var p = $(this);
+                       for(i=0; i<depth-1; ++i) {
+                               if (!p.is(':visible')) return false;
+                               p = p.parent();
+                       }
+                       return true;
+               }
+               return this.filter(is_visible);
+       };
+       $.table_hotkeys = function(table, keys, opts) {
+               opts = $.extend($.table_hotkeys.defaults, opts);
+               var selected_class = opts.class_prefix + opts.selected_suffix;
+               var destructive_class = opts.class_prefix + opts.destructive_suffix;
+               var set_current_row = function (tr) {
+                       if ($.table_hotkeys.current_row) $.table_hotkeys.current_row.removeClass(selected_class);
+                       tr.addClass(selected_class);
+                       tr[0].scrollIntoView(false);
+                       $.table_hotkeys.current_row = tr;
+               };
+               var adjacent_row_callback = function(which) {
+                       if (!adjacent_row(which) && $.isFunction(opts[which+'_page_link_cb'])) {
+                               opts[which+'_page_link_cb']();
+                       }
+               };
+               var get_adjacent_row = function(which) {
+                       if (!$.table_hotkeys.current_row) {
+                               var first_row = get_first_row();
+                               $.table_hotkeys.current_row = first_row;
+                               return first_row[0];
+                       }
+                       var method = 'prev' == which? $.fn.prevAll : $.fn.nextAll;
+                       return method.call($.table_hotkeys.current_row, opts.cycle_expr).filter_visible()[0];
+               };
+               var adjacent_row = function(which) {
+                       var adj = get_adjacent_row(which);
+                       if (!adj) return false;
+                       set_current_row($(adj));
+                       return true;
+               };
+               var prev_row = function() { return adjacent_row('prev'); };
+               var next_row = function() { return adjacent_row('next'); };
+               var check = function() {
+                       $(opts.checkbox_expr, $.table_hotkeys.current_row).each(function() {
+                               this.checked = !this.checked;
+                       });
+               };
+               var get_first_row = function() {
+                       return $(opts.cycle_expr, table).filter_visible().eq(opts.start_row_index);
+               };
+               var get_last_row = function() {
+                       var rows = $(opts.cycle_expr, table).filter_visible();
+                       return rows.eq(rows.length-1);
+               };
+               var make_key_callback = function(expr) {
+                       return function() {
+                               if ( null == $.table_hotkeys.current_row ) return false;
+                               var clickable = $(expr, $.table_hotkeys.current_row);
+                               if (!clickable.length) return false;
+                               if (clickable.is('.'+destructive_class)) next_row() || prev_row();
+                               clickable.click();
+                       }
+               };
+               var first_row = get_first_row();
+               if (!first_row.length) return;
+               if (opts.highlight_first)
+                       set_current_row(first_row);
+               else if (opts.highlight_last)
+                       set_current_row(get_last_row());
+               jQuery.hotkeys.add(opts.prev_key, opts.hotkeys_opts, function() {return adjacent_row_callback('prev')});
+               jQuery.hotkeys.add(opts.next_key, opts.hotkeys_opts, function() {return adjacent_row_callback('next')});
+               jQuery.hotkeys.add(opts.mark_key, opts.hotkeys_opts, check);
+               jQuery.each(keys, function() {
+                       if ($.isFunction(this[1])) {
+                               var callback = this[1];
+                               var key = this[0];
+                               jQuery.hotkeys.add(key, opts.hotkeys_opts, function(event) { return callback(event, $.table_hotkeys.current_row); });
+                       } else {
+                               var key = this;
+                               jQuery.hotkeys.add(key, opts.hotkeys_opts, make_key_callback('.'+opts.class_prefix+key));
+                       }
+               });
+
+       };
+       $.table_hotkeys.current_row = null;
+       $.table_hotkeys.defaults = {cycle_expr: 'tr', class_prefix: 'vim-', selected_suffix: 'current',
+               destructive_suffix: 'destructive', hotkeys_opts: {disableInInput: true, type: 'keypress'},
+               checkbox_expr: ':checkbox', next_key: 'j', prev_key: 'k', mark_key: 'x',
+               start_row_index: 2, highlight_first: false, highlight_last: false, next_page_link_cb: false, prev_page_link_cb: false};
+})(jQuery);