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Allow hover behavior without changing css #98

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Allow hover behavior without changing css #98

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d24c4d3
Allow hover behavior without changing css
apircher Jun 22, 2013
7eff66c
Refresh positions if hoverCallback returns true
apircher Jun 22, 2013
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14 changes: 12 additions & 2 deletions jquery.mjs.nestedSortable.js
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Original file line number Diff line number Diff line change
Expand Up @@ -14,14 +14,15 @@
(function($) {

function isOverAxis( x, reference, size ) {
return ( x > reference ) && ( x < ( reference + size ) );
return ( x >= reference ) && ( x < ( reference + size ) );
}

$.widget("mjs.nestedSortable", $.extend({}, $.ui.sortable.prototype, {

options: {
doNotClear: false,
expandOnHover: 700,
hoverCallback: null,
isAllowed: function(placeholder, placeholderParent, originalItem) { return true; },
isTree: false,
listType: 'ol',
Expand Down Expand Up @@ -206,6 +207,15 @@
}
}

// Allow hover behavior without switching css classes.
if (o.hoverCallback && o.expandOnHover && !this.hovering) {
var self = this, item = itemElement;
this.hovering = window.setTimeout(function () {
if (o.hoverCallback.call(self, item) === true)
self.refreshPositions();
}, o.expandOnHover);
}

this.direction = intersection == 1 ? "down" : "up";

// mjs - rearrange the elements and reset timeouts and hovering state
Expand Down Expand Up @@ -380,7 +390,7 @@
// mjs - this function is slightly modified to make it easier to hover over a collapsed element and have it expand
_intersectsWithSides: function(item) {

var half = this.options.isTree ? .8 : .5;
var half = this.options.isTree || this.options.hoverCallback ? .8 : .5;

var isOverBottomHalf = isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height*half), item.height),
isOverTopHalf = isOverAxis(this.positionAbs.top + this.offset.click.top, item.top - (item.height*half), item.height),
Expand Down