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BUGFIX Don't allow dragging tree nodes outside of the root node, don't allow moving the root node, don't access drag/drops from other trees.

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This commit is contained in:
Ingo Schommer 2011-03-03 13:59:31 +13:00
parent cf467d5272
commit eb030fa0f9
1 changed files with 22 additions and 1 deletions
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23
javascript/LeftAndMain.Tree.js
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@ -25,7 +25,28 @@
"select_limit" : 1,
'initially_select': [treeContainer.find('.current').attr('id')]
},
'plugins': ['themes', 'html_data', 'ui', 'dnd']
"crrm": {
'move': {
// Check if a node is allowed to be moved.
// Caution: Runs on every drag over a new node
'check_move': function(data) {
var movedNode = $(data.o), newParent = $(data.np),
isMovedOntoContainer = data.ot.get_container()[0] == data.np[0];
var isAllowed = (
// Don't allow moving the root node
movedNode.data('id') != 0
// Only allow moving node inside the root container, not before/after it
&& (!isMovedOntoContainer || data.p == 'inside')
);
return isAllowed;
}
}
},
'dnd': {
"drop_target" : false,
"drag_target" : false
},
'plugins': ['themes', 'html_data', 'ui', 'dnd', 'crrm']
})
// .bind('before.jstree', function(e, data) {
// if(data.func == 'drag_start') {