wp/wp-content/themes/twentytwelve/js/theme-customizer.js
author ymh <ymh.work@gmail.com>
Tue, 09 Jun 2015 03:35:32 +0200
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upgrade wordpress + plugins
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/**
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 * Customizer enhancements for a better user experience.
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 *
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 * Contains handlers to make Customizer preview reload changes asynchronously.
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 * Things like site title, description, and background color changes.
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 */
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( function( $ ) {
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	// Site title and description.
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	wp.customize( 'blogname', function( value ) {
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		value.bind( function( to ) {
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			$( '.site-title a' ).text( to );
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		} );
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	} );
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	wp.customize( 'blogdescription', function( value ) {
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		value.bind( function( to ) {
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			$( '.site-description' ).text( to );
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		} );
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	} );
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	// Header text color
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	wp.customize( 'header_textcolor', function( value ) {
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		value.bind( function( to ) {
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			if ( 'blank' === to ) {
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				$( '.site-title, .site-title a, .site-description' ).css( {
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					'clip': 'rect(1px, 1px, 1px, 1px)',
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					'position': 'absolute'
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				} );
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			} else {
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				$( '.site-title, .site-title a, .site-description' ).css( {
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					'clip': 'auto',
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					'color': to,
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					'position': 'relative'
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				} );
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			}
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		} );
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	} );
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	// Hook into background color/image change and adjust body class value as needed.
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	wp.customize( 'background_color', function( value ) {
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		value.bind( function( to ) {
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			var body = $( 'body' );
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			if ( ( '#ffffff' == to || '#fff' == to ) && 'none' == body.css( 'background-image' ) )
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				body.addClass( 'custom-background-white' );
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			else if ( '' == to && 'none' == body.css( 'background-image' ) )
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				body.addClass( 'custom-background-empty' );
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			else
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				body.removeClass( 'custom-background-empty custom-background-white' );
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		} );
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	} );
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	wp.customize( 'background_image', function( value ) {
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		value.bind( function( to ) {
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			var body = $( 'body' );
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			if ( '' !== to ) {
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				body.removeClass( 'custom-background-empty custom-background-white' );
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			} else if ( 'rgb(255, 255, 255)' === body.css( 'background-color' ) ) {
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				body.addClass( 'custom-background-white' );
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			} else if ( 'rgb(230, 230, 230)' === body.css( 'background-color' ) && '' === wp.customize.instance( 'background_color' ).get() ) {
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				body.addClass( 'custom-background-empty' );
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			}
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		} );
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	} );
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} )( jQuery );