扩展datagrid的一个方法keyctr
复制代码 代码如下:
$.extend($.fn.datagrid.methods, {
keyctr : function (jq) {
return jq.each(function () {
var grid = $(this);
grid.datagrid('getpanel').panel('panel').attr('tabindex', 1).bind('keydown', function (e) {
switch (e.keycode) {
case 38: // up
var selected = grid.datagrid('getselected');
if (selected) {
var index = grid.datagrid('getrowindex', selected);
grid.datagrid('selectrow', index - 1);
} else {
var rows = grid.datagrid('getrows');
grid.datagrid('selectrow', rows.length - 1);
}
break;
case 40: // down
var selected = grid.datagrid('getselected');
if (selected) {
var index = grid.datagrid('getrowindex', selected);
grid.datagrid('selectrow', index + 1);
} else {
grid.datagrid('selectrow', 0);
}
break;
}
});
});
}
});