doevisualizations
Version:
Data Visualization Library based on RequireJS and D3.js (v4+)
48 lines (47 loc) • 2.13 kB
JavaScript
/*!
* jQuery++ - 2.0.2
* http://jquerypp.com
* Copyright (c) 2016 Bitovi
* Wed, 06 Apr 2016 00:03:57 GMT
* Licensed MIT
*/
/*jquerypp@2.0.2#event/drag/limit/limit*/
define([
'jquery',
'../core/core.js'
], function ($) {
$.Drag.prototype.limit = function (container, center) {
var styles = container.css([
'borderTopWidth',
'paddingTop',
'borderLeftWidth',
'paddingLeft'
]), paddingBorder = new $.Vector(parseInt(styles.borderLeftWidth, 10) + parseInt(styles.paddingLeft, 10) || 0, parseInt(styles.borderTopWidth, 10) + parseInt(styles.paddingTop, 10) || 0);
this._limit = {
offset: container.offsetv().plus(paddingBorder),
size: container.dimensionsv(),
center: center === true ? 'both' : center
};
return this;
};
var oldPosition = $.Drag.prototype.position;
$.Drag.prototype.position = function (offsetPositionv) {
if (this._limit) {
var limit = this._limit, center = limit.center && limit.center.toLowerCase(), movingSize = this.movingElement.dimensionsv('outer'), halfHeight = center && center != 'x' ? movingSize.height() / 2 : 0, halfWidth = center && center != 'y' ? movingSize.width() / 2 : 0, lot = limit.offset.top(), lof = limit.offset.left(), height = limit.size.height(), width = limit.size.width();
if (offsetPositionv.top() + halfHeight < lot) {
offsetPositionv.top(lot - halfHeight);
}
if (offsetPositionv.top() + movingSize.height() - halfHeight > lot + height) {
offsetPositionv.top(lot + height - movingSize.height() + halfHeight);
}
if (offsetPositionv.left() + halfWidth < lof) {
offsetPositionv.left(lof - halfWidth);
}
if (offsetPositionv.left() + movingSize.width() - halfWidth > lof + width) {
offsetPositionv.left(lof + width - movingSize.left() + halfWidth);
}
}
oldPosition.call(this, offsetPositionv);
};
return $;
});