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(function($){
/**
* OPTIONS:
* values {mixed[]}
* selected {object} min and max
* text {string}
*/
$.fn.pwgDoubleSlider = function(options) {
var that = this;
function onChange(e, ui) {
that.find('[data-input=min]').val(options.values[ui.values[0]]);
that.find('[data-input=max]').val(options.values[ui.values[1]]);
that.find('.slider-info').html(sprintf(
options.text,
options.values[ui.values[0]],
options.values[ui.values[1]]
));
}
function findClosest(array, value) {
var closest = null, index = -1;
$.each(array, function(i, v){
if (closest == null || Math.abs(v - value) < Math.abs(closest - value)) {
closest = v;
index = i;
}
});
return index;
}
var values = [
options.values.indexOf(options.selected.min),
options.values.indexOf(options.selected.max)
];
if (values[0] == -1) {
values[0] = findClosest(options.values, options.selected.min);
}
if (values[1] == -1) {
values[1] = findClosest(options.values, options.selected.max);
}
var slider = this.find('.slider-slider').slider({
range: true,
min: 0,
max: options.values.length - 1,
values: values,
slide: onChange,
change: onChange
});
this.find('.slider-choice').on('click', function(){
slider.slider('values', 0, options.values.indexOf($(this).data('min')));
slider.slider('values', 1, options.values.indexOf($(this).data('max')));
});
return this;
};
}(jQuery));
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