68 lines
1.6 KiB
JavaScript
68 lines
1.6 KiB
JavaScript
|
/*!
|
||
|
|
* jQuery fitToParent; version: 1.2.1
|
||
|
|
* https://github.com/drewbaker/fitToParent
|
||
|
|
*/
|
||
|
|
jQuery.fn.fitToParent = function (options) {
|
||
|
|
|
||
|
|
this.each(function () {
|
||
|
|
// Vars
|
||
|
|
var $el = jQuery(this);
|
||
|
|
var $box;
|
||
|
|
|
||
|
|
// Get size parent (box to fit element in)
|
||
|
|
if ($el.closest('.size-parent').length) {
|
||
|
|
$box = $el.closest('.size-parent');
|
||
|
|
} else {
|
||
|
|
$box = $el.parent();
|
||
|
|
}
|
||
|
|
|
||
|
|
// These are the defaults.
|
||
|
|
var settings = jQuery.extend({
|
||
|
|
heightOffset: 0,
|
||
|
|
widthOffset: 0,
|
||
|
|
boxHeight: $box.height(),
|
||
|
|
boxWidth: $box.width(),
|
||
|
|
callback: null
|
||
|
|
}, options);
|
||
|
|
|
||
|
|
// Setup box and element widths
|
||
|
|
var width = $el.attr('width');
|
||
|
|
var height = $el.attr('height');
|
||
|
|
|
||
|
|
if (!width || !height) {
|
||
|
|
var width = $el.width();
|
||
|
|
var height = $el.height();
|
||
|
|
}
|
||
|
|
|
||
|
|
var parentWidth = settings.boxWidth - settings.widthOffset;
|
||
|
|
var parentHeight = settings.boxHeight - settings.heightOffset;
|
||
|
|
|
||
|
|
// Maintain aspect ratio
|
||
|
|
var aspect = $el.data('aspect');
|
||
|
|
if (!aspect) {
|
||
|
|
aspect = width / height;
|
||
|
|
$el.data('aspect', aspect);
|
||
|
|
}
|
||
|
|
var parentAspect = parentWidth / parentHeight;
|
||
|
|
|
||
|
|
// Resize to fit box
|
||
|
|
if (aspect > parentAspect) {
|
||
|
|
newWidth = parentWidth;
|
||
|
|
newHeight = (newWidth / aspect);
|
||
|
|
} else {
|
||
|
|
newHeight = parentHeight;
|
||
|
|
newWidth = newHeight * aspect;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Set new size of element
|
||
|
|
$el.width(newWidth);
|
||
|
|
$el.height(newHeight);
|
||
|
|
|
||
|
|
// Fire callback
|
||
|
|
if (typeof (settings.callback) == "function") {
|
||
|
|
settings.callback(newWidth, newHeight);
|
||
|
|
}
|
||
|
|
|
||
|
|
});
|
||
|
|
};
|