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/** @namespace customify */ |
| 2 |
window.customify = window.customify || parent.customify || {}; |
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|
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// This is for the Customizer Font control |
| 5 |
(function ($, customify, wp) { |
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|
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/** |
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* Expose the API publicly on window.customify.fontFields |
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* |
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* @namespace customify.fontFields |
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*/ |
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if ( typeof customify.fontFields === 'undefined' ) { |
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customify.fontFields = {} |
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} |
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_.extend( customify.fontFields, function () { |
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const wrapperSelector = '.font-options__wrapper', |
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valueHolderSelector = '.customify_font_values', |
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fontFamilySelector = '.customify_font_family', |
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fontVariantSelector = '.customify_font_weight', |
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fontHeadTitleSelector = '.font-options__head .font-options__font-title' |
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|
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let familyPlaceholderText , |
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variantAutoText // This is for the empty value. |
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|
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const api = wp.customize |
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|
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// We will use this to remember that we are self-updating the field from the subfields. |
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// We will save this info for each setting ID. |
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const updatingValue = {}, |
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loadingValue = {} |
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|
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const init = function () { |
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familyPlaceholderText = customify.l10n.fonts.familyPlaceholderText |
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variantAutoText = customify.l10n.fonts.variantAutoText |
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|
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const $fontFamilyFields = $(fontFamilySelector) |
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|
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// Add the Google Fonts opts to each control. |
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if (typeof api.settings['google_fonts_opts'] !== 'undefined') { |
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$fontFamilyFields.each(function (i, el) { |
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const googleOptionsPlaceholder = $(el).find('.google-fonts-opts-placeholder').first() |
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if (googleOptionsPlaceholder) { |
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// Replace the placeholder with the HTML for the Google fonts select options. |
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googleOptionsPlaceholder.replaceWith(api.settings['google_fonts_opts']) |
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|
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// The active font family might be a Google font so we need to set the current value after we've added the options. |
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const activeFontFamily = $(el).data('active_font_family') |
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if (typeof activeFontFamily !== 'undefined') { |
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$(el).val(activeFontFamily) |
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} |
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} |
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}) |
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} |
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|
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// Initialize the select2 field for the font family |
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$fontFamilyFields.select2({ |
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placeholder: familyPlaceholderText |
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}) |
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|
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// We only need to bind to the original select since select2 triggers the event for this one when changed. |
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$fontFamilyFields.on('change', function (event, who) { |
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const newFontFamily = event.target.value, |
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wrapper = $(event.target).closest(wrapperSelector), |
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settingID = $(wrapper.children(valueHolderSelector)).data('customize-setting-link'), |
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setting = api(settingID) |
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|
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// Get the new font details |
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const newFontDetails = getFontDetails(newFontFamily) |
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|
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// Update the font field head title (with the new font family name). |
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updateFontHeadTitle(newFontDetails, wrapper) |
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|
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// Update the variant subfield with the new options given by the selected font family. |
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updateVariantField(newFontDetails, wrapper) |
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|
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if (typeof who !== 'undefined' && who === 'customify') { |
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// The change was triggered programmatically by Customify. |
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// No need to self-update the value. |
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} else { |
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// Mark this input as touched by the user. |
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$(event.target).data('touched', true) |
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|
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// Serialize subfield values and refresh the fonts in the preview window. |
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selfUpdateValue(wrapper, settingID) |
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} |
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}) |
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|
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// Handle the reverse value direction, when the customize setting is updated and the subfields need to update their values. |
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$fontFamilyFields.each(function (i, el) { |
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const wrapper = $(el).closest(wrapperSelector), |
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settingID = $(wrapper.children(valueHolderSelector)).data('customize-setting-link'), |
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setting = api(settingID) |
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|
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setting.bind(function (newValue, oldValue) { |
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if (!updatingValue[this.id]) { |
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loadFontValue(wrapper, newValue, this.id) |
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} |
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}) |
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}) |
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|
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// Initialize the select2 field for the font variant |
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initSubfield($(fontVariantSelector), true) |
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|
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// Initialize all the regular selects in the font subfields |
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initSubfield($fontFamilyFields.parents(wrapperSelector).find('select').not('select[class*=\' select2\'],select[class^=\'select2\']'), false); |
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|
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// Initialize the all the range fields in the font subfields |
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initSubfield($fontFamilyFields.parents(wrapperSelector).find('input[type=range]'), false); |
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|
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handleFontPopupToggle() |
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} |
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|
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const initSubfield = function (subfieldList, select2 = false, select2Placeholder = '') { |
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if (!subfieldList.length) { |
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return |
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} |
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// Mark these as not touched by the user. |
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$(subfieldList).data('touched', false) |
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|
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$(subfieldList).on('input change', function (event, who) { |
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if (typeof who !== 'undefined' && who === 'customify') { |
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// The change was triggered programmatically by Customify. |
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// No need to self-update the value. |
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} else { |
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const wrapper = $(event.target).closest(wrapperSelector), |
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settingID = $(wrapper.children(valueHolderSelector)).data('customize-setting-link') |
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|
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// Mark this input as touched by the user. |
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$(event.target).data('touched', true) |
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|
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// Gather subfield values and trigger refresh of the fonts in the preview window. |
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selfUpdateValue(wrapper, settingID) |
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} |
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}) |
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|
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// If we've been instructed, initialize a select2. |
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if (true === select2) { |
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const select2Args = {} |
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|
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if (!_.isEmpty(select2Placeholder)) { |
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select2Args['placeholder'] = select2Placeholder |
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} |
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|
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$(subfieldList).select2(select2Args) |
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} |
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} |
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|
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const handleFontPopupToggle = function () { |
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const $allFontCheckboxes = $('#customize-controls .js-font-option-toggle') |
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|
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// Close all other font fields popups when opening a font field popup. |
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$allFontCheckboxes.on('click', function () { |
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const $checkbox = $(this) |
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if ($checkbox.prop('checked') === true) { |
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$allFontCheckboxes.not($checkbox).prop('checked', false) |
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} |
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}) |
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|
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// Make sure that all fonts popups are closed when backing away from a panel or section. |
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// @todo This doesn't catch backing with ESC key. For that we should hook on Customizer section and panel events ('collapsed'). |
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$('#customize-controls .customize-panel-back, #customize-controls .customize-section-back').on('click', function() { |
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$allFontCheckboxes.prop('checked', false) |
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}) |
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} |
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|
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/** |
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* Update the title of the font field (the field head) with the new font family name. |
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* |
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* @param newFontDetails |
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* @param wrapper |
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*/ |
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const updateFontHeadTitle = function (newFontDetails, wrapper) { |
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const fontTitleElement = wrapper.find(fontHeadTitleSelector) |
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|
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let fontFamilyDisplay = newFontDetails.family |
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if (typeof newFontDetails.family_display === 'string' && newFontDetails.family_display.length ) { |
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fontFamilyDisplay = newFontDetails.family_display |
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} |
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|
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$(fontTitleElement).html(fontFamilyDisplay) |
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} |
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|
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/** |
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* This function updates the data in font weight selector from the given <option> element |
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* |
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* @param newFontDetails |
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* @param wrapper |
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*/ |
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const updateVariantField = function (newFontDetails, wrapper) { |
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const variants = typeof newFontDetails.variants !== 'undefined' ? newFontDetails.variants : [], |
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fontVariantInput = wrapper.find(fontVariantSelector), |
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selectedVariant = fontVariantInput.val() ? fontVariantInput.val() : '', |
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newVariants = [] |
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|
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// We clear everything about this subfield. |
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fontVariantInput.val(null).empty() |
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if (fontVariantInput.hasClass("select2-hidden-accessible")) { |
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fontVariantInput.select2('destroy') |
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} |
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|
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// Mark this input as not touched by the user. |
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fontVariantInput.data('touched', false) |
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|
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if (typeof variants === 'undefined' || Object.keys(variants).length < 2) { |
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fontVariantInput.parent().hide() |
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fontVariantInput.parent().prev('label').hide() |
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// Mark this input as disabled. |
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fontVariantInput.data('disabled', true) |
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return |
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} |
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|
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// Initialize the options with an empty one. |
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newVariants.push({ |
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'id': '', |
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'text': variantAutoText |
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}) |
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|
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// we need to turn the data array into a specific form like [{id:"id", text:"Text"}] |
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$.each(variants, function (index, variant) { |
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let newVariant = { |
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'id': variant, // This is the option value. |
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'text': variant |
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} |
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|
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// Leave the comparison loose. |
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if (selectedVariant == variant) { |
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newVariant.selected = true |
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} |
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|
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newVariants.push(newVariant) |
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}) |
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|
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// Only reinitialize the select2. |
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// No need to rebind on change or on input since those are still bound to the original HTML element. |
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fontVariantInput.select2({ |
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data: newVariants |
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}) |
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|
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fontVariantInput.parent().show() |
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fontVariantInput.parent().prev('label').show() |
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// Mark this input as enabled. |
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fontVariantInput.data('disabled', false) |
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} |
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|
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/** |
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* Gather the value for our entire font field and save it in the setting. |
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*/ |
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const selfUpdateValue = function (wrapper, settingID) { |
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// If we are already self-updating this and we haven't finished, we need to stop here to prevent infinite loops |
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// This call might have come from a subfield detecting the change thus triggering a further selfUpdateValue() |
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if (true === updatingValue[settingID]) { |
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return |
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} |
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|
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// If we are loading this setting value and haven't finished, |
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// there is no point in updating it as this would cause infinite loops. |
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if (true === loadingValue[settingID]) { |
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return |
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} |
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|
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// Mark the fact that we are self-updating the field value |
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updatingValue[settingID] = true |
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|
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const optionsList = wrapper.find('.font-options__options-list'), |
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inputs = optionsList.find('[data-value_entry]'), |
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setting = api(settingID), |
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oldValue = setting(), |
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newFontData = _.isEmpty(oldValue) ? {} : $.extend(true, {}, oldValue) |
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|
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inputs.each(function (key, input) { |
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const $input = $(input) |
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const valueEntry = $input.data('value_entry') |
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let value = $input.val() |
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|
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// We only pick up subfields values that have been touched by the user, that are enabled (visible) or values that are missing in the oldValue. |
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if (_.isUndefined(valueEntry) || $input.data('disabled') || (!$input.data('touched') && !_.isUndefined(newFontData[valueEntry]))) { |
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return |
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} |
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|
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if ('font_family' === valueEntry) { |
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// Get the src of the selected option. |
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const src = $(input.options[input.selectedIndex]).data('src') |
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|
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if (src) { |
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newFontData['src'] = src |
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} else { |
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delete newFontData['src'] |
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} |
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} |
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|
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if (!_.isUndefined(value) && !_.isNull(value) && value !== '') { |
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if (_.includes(['letter_spacing', 'line_height', 'font_size'], valueEntry)) { |
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// Standardize the value. |
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value = standardizeNumericalValue(value, input, false) |
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} |
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|
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newFontData[valueEntry] = value |
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} else { |
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delete newFontData[valueEntry] |
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} |
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}) |
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|
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// We don't need to store font variants or subsets list in the value |
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// since we will get those from the global font details. |
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delete newFontData['variants'] |
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delete newFontData['subsets'] |
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|
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// We need to make sure that we don't "use" any variants not supported by the new font (values passed over from the old value). |
| 309 |
// Get the new font details |
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const newFontDetails = getFontDetails(newFontData['font_family']) |
| 311 |
// Check the font variant |
| 312 |
if (typeof newFontData['font_variant'] !== 'undefined' && typeof newFontDetails.variants !== 'undefined' && Object.keys(newFontDetails.variants).length > 0) { |
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// Make sure that the font_variant is a string, not a number. |
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newFontData['font_variant'] = String(newFontData['font_variant']) |
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|
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if (!_.includes(newFontDetails.variants, newFontData['font_variant'])) { |
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// The new font doesn't have this variant. Nor should the value. |
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delete newFontData['font_variant'] |
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} |
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} else { |
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// The new font has no variants. Nor should the value. |
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delete newFontData['font_variant'] |
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} |
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|
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// Update the Customizer setting value. |
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setting.set(newFontData) |
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|
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// Finished with the field value self-updating. |
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updatingValue[settingID] = false |
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} |
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|
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/** |
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* This function is a reverse of selfUpdateValue(), initializing the entire font field controls |
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* based on the setting value. |
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*/ |
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const loadFontValue = function (wrapper, value, settingID) { |
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// If we are already loading this setting value and haven't finished, there is no point in starting again. |
| 338 |
if (true === loadingValue[settingID]) { |
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return |
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} |
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|
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// Mark the fact that we are loading the field value |
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loadingValue[settingID] = true |
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|
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const optionsList = $(wrapper).find('.font-options__options-list'), |
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inputs = optionsList.find('[data-value_entry]') |
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|
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inputs.each(function (key, input) { |
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const $input = $(input) |
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const valueEntry = $input.data('value_entry') |
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|
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// In the case of select2, only the original selects have the data field, thus excluding select2 created select DOM elements |
| 353 |
if (typeof valueEntry === 'undefined' || valueEntry === '' || typeof value[valueEntry] === 'undefined') { |
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return |
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} |
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|
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// We will do this only for numerical sub-fields. |
| 358 |
if (_.includes(['letter_spacing', 'line_height', 'font_size'], valueEntry)) { |
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const subfieldValue = standardizeNumericalValue(value[valueEntry], input) |
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|
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// Make sure that the unit and value_unit attributes are in place. |
| 362 |
if (subfieldValue.unit !== '') { |
| 363 |
$input.data('value_unit', subfieldValue.unit) |
| 364 |
if (_.isEmpty($input.attr('unit'))) { |
| 365 |
$input.attr('unit', subfieldValue.unit) |
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} |
| 367 |
} |
| 368 |
|
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// If the field unit and value unit differ, we have some conversion to do. |
| 370 |
// We will convert the received value to the appropriate unit declared by the input. |
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// We will use a guessed base size of 16px. Not an exact conversion, but it will have to do. |
| 372 |
const baseSize = 16 |
| 373 |
const subfieldUnit = $input.attr('unit').trim().toLowerCase() |
| 374 |
const subfieldValueUnit = $input.data('value_unit').trim().toLowerCase() |
| 375 |
// The comparison is intentionally loose. |
| 376 |
if (subfieldUnit != subfieldValueUnit) { |
| 377 |
if (_.includes(['em', 'rem'], subfieldValueUnit) && 'px' === subfieldUnit) { |
| 378 |
// We will have to multiply the value. |
| 379 |
subfieldValue.value = round(subfieldValue.value * baseSize, customify.fonts.floatPrecision) |
| 380 |
} else if (_.includes(['em', 'rem'], subfieldUnit) && 'px' === subfieldValueUnit) { |
| 381 |
// We will have to divide the value. |
| 382 |
subfieldValue.value = round(subfieldValue.value / baseSize, customify.fonts.floatPrecision) |
| 383 |
} |
| 384 |
} |
| 385 |
|
| 386 |
// If this field has a min/max attribute we need to make sure that those attributes allow for the value we are trying to impose. |
| 387 |
if ($input.attr('min') && $input.attr('min') > subfieldValue.value) { |
| 388 |
$input.attr('min', subfieldValue.value) |
| 389 |
} |
| 390 |
if ($input.attr('max') && $input.attr('max') < subfieldValue.value) { |
| 391 |
$input.attr('max', subfieldValue.value) |
| 392 |
} |
| 393 |
|
| 394 |
$input.val(subfieldValue.value) |
| 395 |
} else { |
| 396 |
$input.val(value[valueEntry]) |
| 397 |
} |
| 398 |
|
| 399 |
// Mark this input as not touched by the user. |
| 400 |
$input.data('touched', false) |
| 401 |
|
| 402 |
$input.trigger('change', ['customify']) |
| 403 |
}) |
| 404 |
|
| 405 |
// Finished with the field value loading. |
| 406 |
loadingValue[settingID] = false |
| 407 |
} |
| 408 |
|
| 409 |
/** |
| 410 |
* Given a value we will standardize it to an array with 'value' and 'unit'. |
| 411 |
* |
| 412 |
* This is a mirror logic of the server-side one from Customify_Fonts_Global::standardizeNumericalValue() |
| 413 |
* |
| 414 |
* @param value |
| 415 |
* @param input Optional. The input this value was extracted from |
| 416 |
* @param valueFirst Optional. Whether to give higher priority to value related data, or to input related one. |
| 417 |
*/ |
| 418 |
const standardizeNumericalValue = function (value, input = false, valueFirst = true) { |
| 419 |
const standardValue = {value: false, unit: false} |
| 420 |
|
| 421 |
if (_.includes(['','false',false], value)) { |
| 422 |
return standardValue |
| 423 |
} |
| 424 |
|
| 425 |
if (!isNaN(value)) { |
| 426 |
standardValue.value = value |
| 427 |
} else if (typeof value.value !== 'undefined') { |
| 428 |
standardValue.value = value.value |
| 429 |
if (typeof value.unit !== 'undefined') { |
| 430 |
standardValue.unit = value.unit |
| 431 |
} |
| 432 |
} else if (typeof value[0] !== 'undefined') { |
| 433 |
standardValue.value = value[0] |
| 434 |
if (typeof value[1] !== 'undefined') { |
| 435 |
standardValue.unit = value[1] |
| 436 |
} |
| 437 |
} else if (typeof value === 'string') { |
| 438 |
// We will get everything in front that is a valid part of a number (float including). |
| 439 |
const matches = value.match(/^([\d.\-+]+)(.+)/i) |
| 440 |
if (matches !== null && typeof matches[1] !== 'undefined') { |
| 441 |
standardValue.value = matches[1] |
| 442 |
if (!_.isEmpty(matches[2])) { |
| 443 |
standardValue.unit = matches[2] |
| 444 |
} |
| 445 |
} else { |
| 446 |
// If we could not extract anything useful we will trust the developer and leave it like that. |
| 447 |
standardValue.value = value |
| 448 |
} |
| 449 |
} |
| 450 |
|
| 451 |
if (false !== input && (false === standardValue.unit || _.isEmpty(standardValue.unit))) { |
| 452 |
// If we are given an input, we will attempt to extract the unit from its attributes. |
| 453 |
let fallbackInputUnit = '' |
| 454 |
const $input = $(input) |
| 455 |
|
| 456 |
if (valueFirst) { |
| 457 |
if (!_.isEmpty($input.data('value_unit'))) { |
| 458 |
fallbackInputUnit = $input.data('value_unit') |
| 459 |
} else if (!_.isEmpty($input.attr('unit'))) { |
| 460 |
fallbackInputUnit = $input.attr('unit') |
| 461 |
} |
| 462 |
} else { |
| 463 |
if (!_.isEmpty($input.attr('unit'))) { |
| 464 |
fallbackInputUnit = $input.attr('unit') |
| 465 |
} else if (!_.isEmpty($input.data('value_unit'))) { |
| 466 |
fallbackInputUnit = $input.data('value_unit') |
| 467 |
} |
| 468 |
} |
| 469 |
standardValue.unit = fallbackInputUnit |
| 470 |
} |
| 471 |
|
| 472 |
// Make sure that if we have a numerical value, it is a float. |
| 473 |
if (!isNaN(standardValue.value)) { |
| 474 |
standardValue.value = parseFloat(standardValue.value); |
| 475 |
} |
| 476 |
|
| 477 |
return standardValue |
| 478 |
} |
| 479 |
|
| 480 |
const determineFontType = function (fontFamily) { |
| 481 |
// The default is a standard font (aka no special loading or processing). |
| 482 |
let fontType = 'system_font' |
| 483 |
|
| 484 |
// We will follow a stack in the following order: third-party fonts, cloud fonts, theme fonts, Google fonts, standard fonts. |
| 485 |
if (typeof customify.fonts.third_party_fonts[fontFamily] !== 'undefined') { |
| 486 |
fontType = 'third_party_font' |
| 487 |
} else if (typeof customify.fonts.cloud_fonts[fontFamily] !== 'undefined') { |
| 488 |
fontType = 'cloud_font' |
| 489 |
} else if (typeof customify.fonts.theme_fonts[fontFamily] !== 'undefined') { |
| 490 |
fontType = 'theme_font' |
| 491 |
} else if (typeof customify.fonts.google_fonts[fontFamily] !== 'undefined') { |
| 492 |
fontType = 'google_font' |
| 493 |
} |
| 494 |
|
| 495 |
return fontType |
| 496 |
} |
| 497 |
|
| 498 |
const getFontDetails = function (fontFamily, fontType = false) { |
| 499 |
if (false === fontType) { |
| 500 |
// We will determine the font type based on font family. |
| 501 |
fontType = determineFontType(fontFamily) |
| 502 |
} |
| 503 |
|
| 504 |
switch (fontType) { |
| 505 |
case 'theme_font': |
| 506 |
return customify.fonts.theme_fonts[fontFamily] |
| 507 |
break |
| 508 |
case 'cloud_font': |
| 509 |
return customify.fonts.cloud_fonts[fontFamily] |
| 510 |
break |
| 511 |
case 'google_font': |
| 512 |
return customify.fonts.google_fonts[fontFamily] |
| 513 |
break |
| 514 |
case 'system_font': |
| 515 |
if (typeof customify.fonts.system_fonts[fontFamily] !== 'undefined') { |
| 516 |
return customify.fonts.system_fonts[fontFamily] |
| 517 |
} |
| 518 |
break |
| 519 |
case 'third_party_font': |
| 520 |
if (typeof customify.fonts.third_party_fonts[fontFamily] !== 'undefined') { |
| 521 |
return customify.fonts.third_party_fonts[fontFamily] |
| 522 |
} |
| 523 |
break |
| 524 |
default: |
| 525 |
} |
| 526 |
|
| 527 |
return false |
| 528 |
} |
| 529 |
|
| 530 |
/** |
| 531 |
* Will convert an array of CSS like variants into their FVD equivalents. Web Font Loader expects this format. |
| 532 |
* @link https://github.com/typekit/fvd |
| 533 |
*/ |
| 534 |
const convertFontVariantToFVD = function (variant) { |
| 535 |
variant = String(variant) |
| 536 |
|
| 537 |
let fontStyle = 'n' // normal |
| 538 |
if (-1 !== variant.indexOf('italic')) { |
| 539 |
fontStyle = 'i' |
| 540 |
variant = variant.replace('italic', '') |
| 541 |
} else if (-1 !== variant.indexOf('oblique')) { |
| 542 |
fontStyle = 'o' |
| 543 |
variant = variant.replace('oblique', '') |
| 544 |
} |
| 545 |
|
| 546 |
let fontWeight |
| 547 |
|
| 548 |
// The equivalence: |
| 549 |
// |
| 550 |
// 1: 100 |
| 551 |
// 2: 200 |
| 552 |
// 3: 300 |
| 553 |
// 4: 400 (default, also recognized as 'normal') |
| 554 |
// 5: 500 |
| 555 |
// 6: 600 |
| 556 |
// 7: 700 (also recognized as 'bold') |
| 557 |
// 8: 800 |
| 558 |
// 9: 900 |
| 559 |
|
| 560 |
switch (variant) { |
| 561 |
case '100': |
| 562 |
fontWeight = '1' |
| 563 |
break |
| 564 |
case '200': |
| 565 |
fontWeight = '2' |
| 566 |
break |
| 567 |
case '300': |
| 568 |
fontWeight = '3' |
| 569 |
break |
| 570 |
case '500': |
| 571 |
fontWeight = '5' |
| 572 |
break |
| 573 |
case '600': |
| 574 |
fontWeight = '6' |
| 575 |
break |
| 576 |
case '700': |
| 577 |
case 'bold': |
| 578 |
fontWeight = '7' |
| 579 |
break |
| 580 |
case '800': |
| 581 |
fontWeight = '8' |
| 582 |
break |
| 583 |
case '900': |
| 584 |
fontWeight = '9' |
| 585 |
break |
| 586 |
default: |
| 587 |
fontWeight = '4' |
| 588 |
break |
| 589 |
} |
| 590 |
|
| 591 |
return fontStyle + fontWeight |
| 592 |
} |
| 593 |
|
| 594 |
/** |
| 595 |
* Round a number to a precision, specified in number of decimal places |
| 596 |
* |
| 597 |
* @param {number} number - The number to round |
| 598 |
* @param {number} precision - The number of decimal places to round to: |
| 599 |
* > 0 means decimals, < 0 means powers of 10 |
| 600 |
* |
| 601 |
* |
| 602 |
* @return {number} - The number, rounded |
| 603 |
*/ |
| 604 |
const round = function (number, precision) { |
| 605 |
const factor = Math.pow(10, precision) |
| 606 |
return Math.round(number * factor) / factor; |
| 607 |
} |
| 608 |
|
| 609 |
return { |
| 610 |
init: init, |
| 611 |
selfUpdateValue: selfUpdateValue, |
| 612 |
standardizeNumericalValue: standardizeNumericalValue, |
| 613 |
determineFontType: determineFontType, |
| 614 |
getFontDetails: getFontDetails, |
| 615 |
convertFontVariantToFVD: convertFontVariantToFVD, |
| 616 |
round: round, |
| 617 |
} |
| 618 |
}() ) |
| 619 |
})(jQuery, customify, wp) |
| 620 |
|
