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/** |
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* Script run inside a Customizer control sidebar |
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*/ |
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(function($) { |
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// An empty setting means "unset" — the control emits no CSS and the |
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// stylesheet's own value stands. That state is not representable in an |
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// <input type="range">: the HTML value-sanitization algorithm turns a |
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// non-numeric value into min + (max-min)/2, so an unset control would park |
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// its thumb on a meaningless midpoint. Controls that can be unset therefore |
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// ship a `data-unset-val` holding the value the stylesheet actually paints. |
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// Sliders with a numeric default have no such attribute and are untouched by |
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// any of the branches below. |
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var isUnset = function($range) { |
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var id = $range.attr('data-customize-setting-link'); |
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if (!id || !wp.customize.has(id)) { |
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return false; |
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} |
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var val = wp.customize(id).get(); |
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return val === '' || val === null || typeof val === 'undefined'; |
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}; |
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|
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// Park the thumb on the unset fallback without touching the setting. |
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// Assigning .value directly fires no change event, so nothing is published |
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// and the control keeps emitting zero CSS. |
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var applyUnsetVal = function($range) { |
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var unset = $range.attr('data-unset-val'); |
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if (typeof unset !== 'undefined' && isUnset($range)) { |
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$range.val(unset); |
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return true; |
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} |
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return false; |
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}; |
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|
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wp.customize.bind('ready', function() { |
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rangeSlider(); |
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|
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var rangeValReset = jQuery('.betterdocs-customizer-reset.betterdocs-range-value'); |
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rangeValReset.each(function() { |
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$(rangeValReset).on( 'click', function (e) { |
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e.preventDefault(); |
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var nextRangeselector = $(this).next('.betterdcos-range-slider'); |
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var nextRangeDefaultVal = $(this).next('.betterdcos-range-slider').data('default-val'); |
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var $range = nextRangeselector.find('.betterdcos-range-slider__range'); |
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var suffix = $range.attr('suffix') ? $range.attr('suffix') : ''; |
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|
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if (nextRangeDefaultVal === '' || nextRangeDefaultVal === null || typeof nextRangeDefaultVal === 'undefined') { |
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// Round-tripping '' through the range input would coerce it to |
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// the midpoint and then publish that number, so Reset would |
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// apply styling instead of clearing it. Write the setting |
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// directly and re-park the thumb on the stylesheet value. |
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var id = $range.attr('data-customize-setting-link'); |
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if (id && wp.customize.has(id)) { |
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wp.customize(id).set(''); |
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} |
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var unset = $range.attr('data-unset-val'); |
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if (typeof unset !== 'undefined') { |
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$range.val(unset); |
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} |
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nextRangeselector.find('.betterdcos-range-slider__value').html($range.val() + suffix); |
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return; |
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} |
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|
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$range.val(nextRangeDefaultVal).trigger('change'); |
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nextRangeselector.find('.betterdcos-range-slider__value').html(nextRangeDefaultVal + suffix); |
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|
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}); |
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}); |
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}); |
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|
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var rangeSlider = function() { |
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var slider = $('.betterdcos-range-slider'), |
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range = $('.betterdcos-range-slider__range'), |
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value = $('.betterdcos-range-slider__value'); |
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|
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slider.each(function() { |
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|
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value.each(function() { |
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var $range = $(this).prev(); |
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// WP core's linkElements() has already pushed the saved setting |
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// into the input by the time 'ready' fires, so read the live value |
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// rather than the rendered attribute — otherwise an unset control |
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// renders a bare suffix with no number in front of it. |
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applyUnsetVal($range); |
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var value = $range.val(); |
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var suffix = ($range.attr('suffix')) ? $range.attr('suffix') : ''; |
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$(this).html(value + suffix); |
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}); |
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|
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range.on('input', function() { |
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var suffix = ($(this).attr('suffix')) ? $(this).attr('suffix') : ''; |
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$(this).next(value).html(this.value + suffix ); |
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}); |
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}); |
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}; |
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|
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})(jQuery); |
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