Hello,
I am trying to write an optimized ddmanager for my requirements : I
need to be able to drop stuff in a big table (200 rows by 5 columns)
in IE6. Every cell is a drop target and the default ddmanager is too
slow : a small delay is visible when starting the drag...
As my needs are very specific I am trying to write my ddmanager this
way :
1) iterate on each table row and check y coordinate of drop to check
if draggable was dropped on that row
2) iterate on each cell of the row to find out which cell the
draggable was dropped on
>From what I was this speeds up things quite a bit... However I do not
succeed on triggering the drop event properly because I don't know how
to connect to the droppable widget corresponding to the cell
identified... Of course I would like to avoid to iterate in the
droppables array of the ddmanager but maybe there is no other way...
For reference, my so-called optimized ddmanager :
$.ui.ddmanager = {
current: null,
droppables: [],
prepareOffsets: function(t, e) {
},
drop: function(draggable, e) {
var x = e.originalEvent.clientX;
var y = e.originalEvent.clientY;
$('#grid tr').each(function() {
var offset = $(this).offset();
if (y >= offset.top && y < offset.top + this.clientHeight)
{
$(this).children('td.ui-droppable').each(function() {
var offset = $(this).offset();
if (x >= offset.left && x < offset.left +
this.clientWidth)
{
// call drop handler on td : HOW ?
return true;
}
});
}
});
return false;
},
drag: function(draggable, e) {
}
};
Thanks !
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