wp-includes/js/jquery/jquery.table-hotkeys.js

   1 (function($){
   2         $.fn.filter_visible = function(depth) {
   3                 depth = depth || 3;
   4                 var is_visible = function() {
   5                         var p = $(this);
   6                         for(i=0; i<depth-1; ++i) {
   7                                 if (!p.is(':visible')) return false;
   8                                 p = p.parent();
   9                         }
  10                         return true;
  11                 }
  12                 return this.filter(is_visible);
  13         };
  14         $.table_hotkeys = function(table, keys, opts) {
  15                 opts = $.extend($.table_hotkeys.defaults, opts);
  16                 var selected_class = opts.class_prefix + opts.selected_suffix;
  17                 var destructive_class = opts.class_prefix + opts.destructive_suffix;
  18                 var set_current_row = function (tr) {
  19                         if ($.table_hotkeys.current_row) $.table_hotkeys.current_row.removeClass(selected_class);
  20                         tr.addClass(selected_class);
  21                         tr[0].scrollIntoView(false);
  22                         $.table_hotkeys.current_row = tr;
  23                 };
  24                 var adjacent_row_callback = function(which) {
  25                         if (!adjacent_row(which) && $.isFunction(opts[which+'_page_link_cb'])) {
  26                                 opts[which+'_page_link_cb']();
  27                         }
  28                 };
  29                 var get_adjacent_row = function(which) {
  30                         if (!$.table_hotkeys.current_row) {
  31                                 var first_row = get_first_row();
  32                                 $.table_hotkeys.current_row = first_row;
  33                                 return first_row[0];
  34                         }
  35                         var method = 'prev' == which? $.fn.prevAll : $.fn.nextAll;
  36                         return method.call($.table_hotkeys.current_row, opts.cycle_expr).filter_visible()[0];
  37                 };
  38                 var adjacent_row = function(which) {
  39                         var adj = get_adjacent_row(which);
  40                         if (!adj) return false;
  41                         set_current_row($(adj));
  42                         return true;
  43                 };
  44                 var prev_row = function() { return adjacent_row('prev'); };
  45                 var next_row = function() { return adjacent_row('next'); };
  46                 var check = function() {
  47                         $(opts.checkbox_expr, $.table_hotkeys.current_row).each(function() {
  48                                 this.checked = !this.checked;
  49                         });
  50                 };
  51                 var get_first_row = function() {
  52                         return $(opts.cycle_expr, table).filter_visible().eq(opts.start_row_index);
  53                 };
  54                 var get_last_row = function() {
  55                         var rows = $(opts.cycle_expr, table).filter_visible();
  56                         return rows.eq(rows.length-1);
  57                 };
  58                 var make_key_callback = function(expr) {
  59                         return function() {
  60                                 if ( null == $.table_hotkeys.current_row ) return false;
  61                                 var clickable = $(expr, $.table_hotkeys.current_row);
  62                                 if (!clickable.length) return false;
  63                                 if (clickable.is('.'+destructive_class)) next_row() || prev_row();
  64                                 clickable.click();
  65                         }
  66                 };
  67                 var first_row = get_first_row();
  68                 if (!first_row.length) return;
  69                 if (opts.highlight_first)
  70                         set_current_row(first_row);
  71                 else if (opts.highlight_last)
  72                         set_current_row(get_last_row());
  73                 jQuery.hotkeys.add(opts.prev_key, opts.hotkeys_opts, function() {return adjacent_row_callback('prev')});
  74                 jQuery.hotkeys.add(opts.next_key, opts.hotkeys_opts, function() {return adjacent_row_callback('next')});
  75                 jQuery.hotkeys.add(opts.mark_key, opts.hotkeys_opts, check);
  76                 jQuery.each(keys, function() {
  77                         if ($.isFunction(this[1])) {
  78                                 var callback = this[1];
  79                                 var key = this[0];
  80                                 jQuery.hotkeys.add(key, opts.hotkeys_opts, function(event) { return callback(event, $.table_hotkeys.current_row); });
  81                         } else {
  82                                 var key = this;
  83                                 jQuery.hotkeys.add(key, opts.hotkeys_opts, make_key_callback('.'+opts.class_prefix+key));
  84                         }
  85                 });
  86
  87         };
  88         $.table_hotkeys.current_row = null;
  89         $.table_hotkeys.defaults = {cycle_expr: 'tr', class_prefix: 'vim-', selected_suffix: 'current',
  90                 destructive_suffix: 'destructive', hotkeys_opts: {disableInInput: true, type: 'keypress'},
  91                 checkbox_expr: ':checkbox', next_key: 'j', prev_key: 'k', mark_key: 'x',
  92                 start_row_index: 2, highlight_first: false, highlight_last: false, next_page_link_cb: false, prev_page_link_cb: false};
  93 })(jQuery);