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function updateDragImg( index )
{
var row = jQuery("#sortable_fcitems tr").get(index);
if (!row) return;
row = jQuery(row);
row_drag_handle = row.find("td div.fc_drag_handle");
row_ord_grp = row.find('td input[name="ord_grp\[\]"]');
prev_ord_grp = row.prev() ? row.prev().find('td input[name="ord_grp\[\]"]') : false;
next_ord_grp = row.next() ? row.next().find('td input[name="ord_grp\[\]"]') : false;
has_ordUp = prev_ord_grp && prev_ord_grp.val() == row_ord_grp.val();
has_ordDown = next_ord_grp && next_ord_grp.val() == row_ord_grp.val();
if (has_ordUp && has_ordDown) {
new_drag_handle_class = 'fc_drag_handle_both';
} else if (has_ordUp) {
new_drag_handle_class = 'fc_drag_handle_uponly';
} else if (has_ordDown) {
new_drag_handle_class = 'fc_drag_handle_downonly';
} else {
new_drag_handle_class = 'fc_drag_handle_none';
}
if ( !row_drag_handle.hasClass(new_drag_handle_class) ) {
row_drag_handle.removeClass('fc_drag_handle_both');
row_drag_handle.removeClass('fc_drag_handle_uponly');
row_drag_handle.removeClass('fc_drag_handle_downonly');
row_drag_handle.addClass(new_drag_handle_class);
}
}
jQuery(document).ready(function()
{
var moved_row_order;
var next_row_order;
var row_old_index;
var row_new_index;
jQuery("#sortable_fcitems").sortable({
handle: 'div.fc_drag_handle',
containment: 'parent',
tolerance: 'pointer',
revert: 100,
helper: function(e, tr)
{
// Set header cell sizes to match the original sizes so that the table does not change size
var $table_head_cells = tr.closest('table').find('thead tr').children();
$table_head_cells.each(function(index) {
jQuery(this).css('width', $table_head_cells.eq(index).width());
});
// Set helper cell sizes to match the original sizes
var $original_row_cells = tr.children();
var $helper_row = tr.clone();
$helper_row.children().each(function(index) {
jQuery(this).css('width', $original_row_cells.eq(index).width());
});
return $helper_row;
},
start: function(event, ui)
{
moved_row_order = ui.item.find('td input[name="order\[\]"]').val();
row_old_index = ui.item.index();
},
stop: function(event, ui)
{
// Remove forced width from header cell (added so that the table does not change size)
var $table_head_cells = ui.item.closest('table').find('thead tr').children();
$table_head_cells.each(function(index) {
jQuery(this).css('width', '');
});
row_new_index = ui.item.index();
moved_row_ord_grp = ui.item.find('td input[name="ord_grp\[\]"]').val();
if (row_new_index == row_old_index) return;
if (row_new_index < row_old_index)
{
start_ord_grp = ui.item.next().find('td input[name="ord_grp\[\]"]').val();
if (start_ord_grp!=moved_row_ord_grp) {
alert(move_within_ordering_groups_limits);
jQuery(this).sortable('cancel');
return;
}
}
else
{
end_ord_grp = ui.item.prev().find('td input[name="ord_grp\[\]"]').val();
if (end_ord_grp!=moved_row_ord_grp)
{
jQuery(this).sortable('cancel');
alert(move_within_ordering_groups_limits);
return;
}
}
updateDragImg(row_new_index);
updateDragImg(row_old_index);
if ( ui.item.prev() ) updateDragImg( ui.item.prev().index() );
if ( ui.item.next() ) updateDragImg( ui.item.next().index() );
var start_row_index = (row_old_index < row_new_index ? row_old_index : row_new_index);
var end_row_index = (row_new_index > row_old_index ? row_new_index: row_old_index);
//window.console.log('' + start_row_index + ' ' +end_row_index);
var rows = jQuery("#sortable_fcitems tr").get();
for (i=start_row_index; i<=end_row_index; i++)
{
row = jQuery(rows[i]);
if (row_new_index < row_old_index)
{
if (i>=start_row_index && i<end_row_index) {
next_row_order = row.next().find('td input[name="order\[\]"]').val();
row.find('td input[name="order\[\]"]').val( next_row_order );
} else if (i==end_row_index) {
row.find('td input[name="order\[\]"]').val( moved_row_order );
}
}
else
{
if (i>start_row_index && i<=end_row_index) {
tmp_row_order = row.find('td input[name="order\[\]"]').val();
row.find('td input[name="order\[\]"]').val( next_row_order );
next_row_order = tmp_row_order;
} else if (i==start_row_index) {
next_row_order = row.find('td input[name="order\[\]"]').val();
row.find('td input[name="order\[\]"]').val( moved_row_order );
}
}
}
}
});//.disableSelection();
});