Wordpress/wp-includes/js/jquery/jquery.table-hotkeys.js
2008-08-30 00:48:37 +00:00

77 lines
2.8 KiB
JavaScript

(function($){
$.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);
$.table_hotkeys.current_row = tr;
};
var next_row = function() {
var next = get_adjacent_row('next');
if (!next) return false;
set_current_row($(next));
return true;
};
var prev_row = function() {
var prev = get_adjacent_row('prev');
if (!prev) return false;
set_current_row($(prev));
return true;
};
var check = function() {
$(opts.checkbox_expr, $.table_hotkeys.current_row).each(function() {
this.checked = !this.checked;
});
};
var get_adjacent_row = function(which) {
if (!$.table_hotkeys.current_row) {
var start_row_dom = $(opts.cycle_expr, table)[opts.start_row_index];
$.table_hotkeys.current_row = $(start_row_dom);
return start_row_dom;
}
var method = 'prev' == which? $.fn.prevAll : $.fn.nextAll;
return method.call($.table_hotkeys.current_row, opts.cycle_expr).filter(':visible')[0];
}
var make_key_callback = function(expr) {
return function() {
if ( null == $.table_hotkeys.current_row ) return false;
var clickable = $(expr, $.table_hotkeys.current_row).filter(':visible');
if (!$($(clickable[0]).parent()[0]).is(':visible')) return false;
if (clickable.is('.'+destructive_class)) next_row() || prev_row();
clickable.click();
}
};
var make_key_expr = function(elem) {
if (typeof elem.key == 'string') {
key = elem.key;
if (typeof elem.expr == 'string')
expr = elem.expr;
else if (typeof elem.suffix == 'string')
expr = '.'+opts.class_prefix+elem.suffix;
else
expr = '.'+opts.class_prefix+elem.key;
} else {
key = elem;
expr = '.'+opts.class_prefix+elem;
}
return {key: key, expr: expr};
};
if (!$(opts.cycle_expr, table).length) return;
jQuery.hotkeys.add(opts.next_key, opts.hotkeys_opts, next_row);
jQuery.hotkeys.add(opts.prev_key, opts.hotkeys_opts, prev_row);
jQuery.hotkeys.add(opts.mark_key, opts.hotkeys_opts, check);
jQuery.each(keys, function() {
var key_expr = make_key_expr(this);
jQuery.hotkeys.add(key_expr.key, opts.hotkeys_opts, make_key_callback(key_expr.expr));
});
};
$.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: 1};
})(jQuery);