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/** |
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* Handles the options in the language switcher widget. |
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*/ |
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const pllWidget = { |
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/** |
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* Init. |
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*/ |
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init: () => { |
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if ( document.readyState !== 'loading' ) { |
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pllWidget.ready(); |
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} else { |
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document.addEventListener( 'DOMContentLoaded', pllWidget.ready ); |
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} |
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}, |
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|
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/** |
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* Called when the DOM is ready. Attaches the events to the wrapper. |
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*/ |
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ready: () => { |
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if ( |
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window.pll_widgets?.flags && |
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'object' === typeof window.pll_widgets.flags |
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) { |
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pllWidget.displayFlags.flags = window.pll_widgets.flags; |
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} |
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document |
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.querySelectorAll( |
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// Widgets page without Classic Widgets, Widgets page with Classic Widgets, Customizer page. |
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'#widgets-editor, .widget-liquid-right #widgets-right, #customize-theme-controls' |
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) |
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.forEach( ( wrapper ) => { |
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wrapper.addEventListener( 'change', ( event ) => { |
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if ( |
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event.target.closest( |
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'.polylang-language-switcher-widget-content select, .polylang-language-switcher-widget-content input' |
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) |
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) { |
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pllWidget.manageRowsAndValues.handleEvent( event ); |
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return; |
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} |
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|
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if ( |
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! pllWidget.displayFlags.flags.length || |
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'customize-theme-controls' === wrapper.id |
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) { |
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// No flags for the customizer. |
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return; |
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} |
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|
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if ( |
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event.target.closest( |
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'.wp-block-legacy-widget__edit-form .pll-lang-choice' |
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) |
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) { |
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// Without Classic Widgets. |
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pllWidget.displayFlags.handleEvent( |
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event, |
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'.wp-block-legacy-widget__edit-form', |
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'.wp-block-legacy-widget__edit-form-title' |
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); |
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} else if ( |
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event.target.closest( '.widget .pll-lang-choice' ) |
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) { |
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// With Classic Widgets. |
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pllWidget.displayFlags.handleEvent( |
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event, |
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'.widget', |
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'.widget-top .widget-title h3' |
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); |
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} |
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} ); |
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|
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if ( 'customize-theme-controls' !== wrapper.id ) { |
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// No flags for the customizer. |
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if ( |
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wrapper.classList.contains( 'blocks-widgets-container' ) |
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) { |
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// Without Classic Widgets: wait a second that everything is inserted into the page by WP. |
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setTimeout( () => { |
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pllWidget.displayFlags.triggerChange( wrapper ); |
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}, 1000 ); |
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} else { |
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pllWidget.displayFlags.triggerChange( wrapper ); |
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} |
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} |
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} ); |
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}, |
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|
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/** |
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* Display or hide rows, depending on the value of other settings. |
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*/ |
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manageRowsAndValues: { |
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/** |
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* Event callback that hides rows and forbids disabling both flag and name/code. |
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* |
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* @param {Event} event The event. |
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*/ |
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handleEvent: ( event ) => { |
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let value = ''; |
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|
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if ( 'SELECT' === event.target.nodeName ) { |
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value = event.target.value; |
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} else if ( |
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'INPUT' === event.target.nodeName && |
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'checkbox' === event.target.type |
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) { |
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value = event.target.checked; |
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} else { |
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return; |
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} |
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|
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const wrapper = event.target.closest( |
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'.polylang-language-switcher-widget-content' |
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); |
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|
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if ( ! wrapper ) { |
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return; |
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} |
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|
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const key = event.target.getAttribute( 'data-key' ); |
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|
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// Show/Hide rows. |
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wrapper |
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.querySelectorAll( |
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`:scope [class*="pll-hidden-if-${ key }-"]:not(.pll-hidden-if-${ key }-${ value })` // phpcs:ignore Squiz.ControlStructures.ControlSignature.SpaceAfterKeyword, Generic.ControlStructures.InlineControlStructure.NotAllowed, PHPCS detects `-if-` like a `if(`. |
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) |
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.forEach( ( row ) => { |
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row.classList.remove( `pll-hidden-by-${ key }` ); |
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} ); |
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wrapper |
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.querySelectorAll( `:scope .pll-hidden-if-${ key }-${ value }` ) // phpcs:ignore Squiz.ControlStructures.ControlSignature.SpaceAfterKeyword, Generic.ControlStructures.InlineControlStructure.NotAllowed, PHPCS detects `-if-` like a `if(`. |
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.forEach( ( row ) => { |
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row.classList.add( `pll-hidden-by-${ key }` ); |
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} ); |
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|
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// Forbid disabling both flag and name/code. |
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if ( 'show_labels' === key && '' === value ) { |
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const otherInput = wrapper.querySelector( |
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'[data-key="show_flags"]' |
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); |
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|
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if ( true !== otherInput.checked ) { |
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otherInput.checked = true; |
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otherInput.dispatchEvent( |
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new Event( 'change', { bubbles: true } ) |
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); |
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} |
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} else if ( 'show_flags' === key && false === value ) { |
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const otherInput = wrapper.querySelector( |
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'[data-key="show_labels"]' |
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); |
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|
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if ( '' === otherInput.value ) { |
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otherInput.value = 'names'; |
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otherInput.dispatchEvent( |
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new Event( 'change', { bubbles: true } ) |
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); |
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} |
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} |
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}, |
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}, |
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|
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/** |
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* Display a flag in front of a widget title, depending on the language the widget should be displayed for. |
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*/ |
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displayFlags: { |
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/** |
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* Flags (markup), with language slug as property names. |
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* |
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* @member {Object} |
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*/ |
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flags: {}, |
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|
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/** |
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* Event callback that adds or removes the flag. |
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* |
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* @param {Event} event The event. |
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* @param {string} widgetSelector Selector for the widget wrapper, relative to the event target. |
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* @param {string} titleSelector Selector for the title, relative to the wrapper. |
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*/ |
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handleEvent: ( event, widgetSelector, titleSelector ) => { |
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const wrapper = event.target.closest( widgetSelector ); |
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|
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if ( ! wrapper ) { |
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return; |
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} |
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|
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const title = wrapper.querySelector( titleSelector ); |
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|
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if ( ! title ) { |
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return; |
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} |
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|
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const langSlug = event.target.value; |
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const icon = |
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langSlug && |
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pllWidget.displayFlags.flags.hasOwnProperty( langSlug ) |
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? pllWidget.displayFlags.flags[ langSlug ] |
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: null; |
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const currentFlag = title.querySelector( '.pll-lang' ); |
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|
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if ( icon ) { |
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if ( currentFlag ) { |
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currentFlag.innerHTML = `${ icon } `; // `icon` comes from `PLL_Admin_Base::add_inline_scripts()`. |
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} else { |
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const newFlag = document.createElement( 'span' ); |
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newFlag.classList.add( 'pll-lang' ); |
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newFlag.innerHTML = `${ icon } `; // `icon` comes from `PLL_Admin_Base::add_inline_scripts()`. |
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title.prepend( newFlag ); // `newFlag` is a new element we just created with safe data. |
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} |
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} else if ( currentFlag ) { |
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currentFlag.remove(); |
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} |
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}, |
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|
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/** |
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* Triggers a language selection. |
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* |
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* @param {HTMLElement} wrapper Wrapper. |
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*/ |
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triggerChange: ( wrapper ) => { |
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wrapper |
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.querySelectorAll( ':scope .pll-lang-choice' ) |
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.forEach( ( select ) => { |
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select.dispatchEvent( |
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new Event( 'change', { bubbles: true } ) |
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); |
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} ); |
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}, |
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}, |
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}; |
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|
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pllWidget.init(); |
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|
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|
