WordPress/wp-admin/js/editor.js

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JavaScript
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/* global tinymce, tinyMCEPreInit, QTags, setUserSetting */
window.switchEditors = {
switchto: function( el ) {
var aid = el.id,
l = aid.length,
id = aid.substr( 0, l - 5 ),
mode = aid.substr( l - 4 );
this.go( id, mode );
},
// mode can be 'html', 'tmce', or 'toggle'; 'html' is used for the 'Text' editor tab.
go: function( id, mode ) {
var t = this, ed, wrap_id, txtarea_el, editorHeight, toolbarHeight,
DOM = tinymce.DOM; //DOMUtils outside the editor iframe
id = id || 'content';
mode = mode || 'toggle';
ed = tinymce.get( id );
wrap_id = 'wp-' + id + '-wrap';
txtarea_el = DOM.get( id );
if ( 'toggle' === mode ) {
if ( ed && ! ed.isHidden() ) {
mode = 'html';
} else {
mode = 'tmce';
}
}
function getToolbarHeight() {
var height;
try {
height = DOM.getSize( DOM.select( '.mce-toolbar-grp', ed.getContainer() )[0] );
} catch(e){}
if ( height && height.h && height.h > 10 && height.h < 100 ) {
return height.h;
}
return 0;
}
if ( 'tmce' === mode || 'tinymce' === mode ) {
if ( ed && ! ed.isHidden() ) {
return false;
}
if ( typeof( QTags ) !== 'undefined' ) {
QTags.closeAllTags( id );
}
editorHeight = txtarea_el ? parseInt( txtarea_el.style.height, 10 ) : 0;
if ( tinyMCEPreInit.mceInit[ id ] && tinyMCEPreInit.mceInit[ id ].wpautop ) {
txtarea_el.value = t.wpautop( txtarea_el.value );
}
if ( ed ) {
ed.show();
if ( editorHeight && ( toolbarHeight = getToolbarHeight() ) ) {
editorHeight = editorHeight - toolbarHeight + 11;
// height cannot be under 50 or over 5000
if ( editorHeight > 50 && editorHeight < 5000 ) {
ed.theme.resizeTo( null, editorHeight );
}
}
} else {
tinymce.init( tinyMCEPreInit.mceInit[id] );
// ed = tinymce.createEditor( id, tinyMCEPreInit.mceInit[id] );
// ed.render();
}
DOM.removeClass( wrap_id, 'html-active' );
DOM.addClass( wrap_id, 'tmce-active' );
setUserSetting( 'editor', 'tinymce' );
} else if ( 'html' === mode ) {
if ( ed && ed.isHidden() ) {
return false;
}
if ( ed ) {
editorHeight = DOM.get( id + '_ifr' );
editorHeight = editorHeight ? parseInt( editorHeight.style.height, 10 ) : 0;
if ( editorHeight && ( toolbarHeight = getToolbarHeight() ) ) {
editorHeight = editorHeight + toolbarHeight - 11;
// height cannot be under 50 or over 5000
if ( editorHeight > 50 && editorHeight < 5000 ) {
txtarea_el.style.height = editorHeight + 'px';
}
}
ed.hide();
} else {
// The TinyMCE instance doesn't exist, run the content through 'pre_wpautop()' and show the textarea
if ( tinyMCEPreInit.mceInit[ id ] && tinyMCEPreInit.mceInit[ id ].wpautop ) {
txtarea_el.value = t.pre_wpautop( txtarea_el.value );
}
DOM.setStyles( txtarea_el, {'display': '', 'visibility': ''} );
}
DOM.removeClass( wrap_id, 'tmce-active' );
DOM.addClass( wrap_id, 'html-active' );
setUserSetting( 'editor', 'html' );
}
return false;
},
_wp_Nop: function( content ) {
var blocklist1, blocklist2,
preserve_linebreaks = false,
preserve_br = false;
// Protect pre|script tags
if ( content.indexOf( '<pre' ) !== -1 || content.indexOf( '<script' ) !== -1 ) {
preserve_linebreaks = true;
content = content.replace( /<(pre|script)[^>]*>[\s\S]+?<\/\1>/g, function( a ) {
a = a.replace( /<br ?\/?>(\r\n|\n)?/g, '<wp-line-break>' );
a = a.replace( /<\/?p( [^>]*)?>(\r\n|\n)?/g, '<wp-line-break>' );
return a.replace( /\r?\n/g, '<wp-line-break>' );
});
}
// keep <br> tags inside captions and remove line breaks
if ( content.indexOf( '[caption' ) !== -1 ) {
preserve_br = true;
content = content.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
return a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' ).replace( /[\r\n\t]+/, '' );
});
}
// Pretty it up for the source editor
blocklist1 = 'blockquote|ul|ol|li|table|thead|tbody|tfoot|tr|th|td|div|h[1-6]|p|fieldset';
content = content.replace( new RegExp( '\\s*</(' + blocklist1 + ')>\\s*', 'g' ), '</$1>\n' );
content = content.replace( new RegExp( '\\s*<((?:' + blocklist1 + ')(?: [^>]*)?)>', 'g' ), '\n<$1>' );
// Mark </p> if it has any attributes.
content = content.replace( /(<p [^>]+>.*?)<\/p>/g, '$1</p#>' );
// Separate <div> containing <p>
content = content.replace( /<div( [^>]*)?>\s*<p>/gi, '<div$1>\n\n' );
// Remove <p> and <br />
content = content.replace( /\s*<p>/gi, '' );
content = content.replace( /\s*<\/p>\s*/gi, '\n\n' );
content = content.replace( /\n[\s\u00a0]+\n/g, '\n\n' );
content = content.replace( /\s*<br ?\/?>\s*/gi, '\n' );
// Fix some block element newline issues
content = content.replace( /\s*<div/g, '\n<div' );
content = content.replace( /<\/div>\s*/g, '</div>\n' );
content = content.replace( /\s*\[caption([^\[]+)\[\/caption\]\s*/gi, '\n\n[caption$1[/caption]\n\n' );
content = content.replace( /caption\]\n\n+\[caption/g, 'caption]\n\n[caption' );
blocklist2 = 'blockquote|ul|ol|li|table|thead|tbody|tfoot|tr|th|td|h[1-6]|pre|fieldset';
content = content.replace( new RegExp('\\s*<((?:' + blocklist2 + ')(?: [^>]*)?)\\s*>', 'g' ), '\n<$1>' );
content = content.replace( new RegExp('\\s*</(' + blocklist2 + ')>\\s*', 'g' ), '</$1>\n' );
content = content.replace( /<li([^>]*)>/g, '\t<li$1>' );
if ( content.indexOf( '<hr' ) !== -1 ) {
content = content.replace( /\s*<hr( [^>]*)?>\s*/g, '\n\n<hr$1>\n\n' );
}
if ( content.indexOf( '<object' ) !== -1 ) {
content = content.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
return a.replace( /[\r\n]+/g, '' );
});
}
// Unmark special paragraph closing tags
content = content.replace( /<\/p#>/g, '</p>\n' );
content = content.replace( /\s*(<p [^>]+>[\s\S]*?<\/p>)/g, '\n$1' );
// Trim whitespace
content = content.replace( /^\s+/, '' );
content = content.replace( /[\s\u00a0]+$/, '' );
// put back the line breaks in pre|script
if ( preserve_linebreaks ) {
content = content.replace( /<wp-line-break>/g, '\n' );
}
// and the <br> tags in captions
if ( preserve_br ) {
content = content.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
}
return content;
},
_wp_Autop: function(pee) {
var preserve_linebreaks = false,
preserve_br = false,
blocklist = 'table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select' +
'|option|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|noscript|legend|section' +
'|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary';
if ( pee.indexOf( '<object' ) !== -1 ) {
pee = pee.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
return a.replace( /[\r\n]+/g, '' );
});
}
pee = pee.replace( /<[^<>]+>/g, function( a ){
return a.replace( /[\r\n]+/g, ' ' );
});
// Protect pre|script tags
if ( pee.indexOf( '<pre' ) !== -1 || pee.indexOf( '<script' ) !== -1 ) {
preserve_linebreaks = true;
pee = pee.replace( /<(pre|script)[^>]*>[\s\S]+?<\/\1>/g, function( a ) {
return a.replace( /(\r\n|\n)/g, '<wp-line-break>' );
});
}
// keep <br> tags inside captions and convert line breaks
if ( pee.indexOf( '[caption' ) !== -1 ) {
preserve_br = true;
pee = pee.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
// keep existing <br>
a = a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' );
// no line breaks inside HTML tags
a = a.replace( /<[a-zA-Z0-9]+( [^<>]+)?>/g, function( b ) {
return b.replace( /[\r\n\t]+/, ' ' );
});
// convert remaining line breaks to <br>
return a.replace( /\s*\n\s*/g, '<wp-temp-br />' );
});
}
pee = pee + '\n\n';
pee = pee.replace( /<br \/>\s*<br \/>/gi, '\n\n' );
pee = pee.replace( new RegExp( '(<(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '\n$1' );
pee = pee.replace( new RegExp( '(</(?:' + blocklist + ')>)', 'gi' ), '$1\n\n' );
pee = pee.replace( /<hr( [^>]*)?>/gi, '<hr$1>\n\n' ); // hr is self closing block element
pee = pee.replace( /\r\n|\r/g, '\n' );
pee = pee.replace( /\n\s*\n+/g, '\n\n' );
pee = pee.replace( /([\s\S]+?)\n\n/g, '<p>$1</p>\n' );
pee = pee.replace( /<p>\s*?<\/p>/gi, '');
pee = pee.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
pee = pee.replace( /<p>(<li.+?)<\/p>/gi, '$1');
pee = pee.replace( /<p>\s*<blockquote([^>]*)>/gi, '<blockquote$1><p>');
pee = pee.replace( /<\/blockquote>\s*<\/p>/gi, '</p></blockquote>');
pee = pee.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '$1' );
pee = pee.replace( new RegExp( '(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
pee = pee.replace( /\s*\n/gi, '<br />\n');
pee = pee.replace( new RegExp( '(</?(?:' + blocklist + ')[^>]*>)\\s*<br />', 'gi' ), '$1' );
pee = pee.replace( /<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)/gi, '$1' );
pee = pee.replace( /(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi, '[caption$1[/caption]' );
pee = pee.replace( /(<(?:div|th|td|form|fieldset|dd)[^>]*>)(.*?)<\/p>/g, function( a, b, c ) {
if ( c.match( /<p( [^>]*)?>/ ) ) {
return a;
}
return b + '<p>' + c + '</p>';
});
// put back the line breaks in pre|script
if ( preserve_linebreaks ) {
pee = pee.replace( /<wp-line-break>/g, '\n' );
}
if ( preserve_br ) {
pee = pee.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
}
return pee;
},
pre_wpautop: function( content ) {
var t = this, o = { o: t, data: content, unfiltered: content },
q = typeof( jQuery ) !== 'undefined';
if ( q ) {
jQuery( 'body' ).trigger( 'beforePreWpautop', [ o ] );
}
o.data = t._wp_Nop( o.data );
if ( q ) {
jQuery('body').trigger('afterPreWpautop', [ o ] );
}
return o.data;
},
wpautop: function( pee ) {
var t = this, o = { o: t, data: pee, unfiltered: pee },
q = typeof( jQuery ) !== 'undefined';
if ( q ) {
jQuery( 'body' ).trigger('beforeWpautop', [ o ] );
}
o.data = t._wp_Autop( o.data );
if ( q ) {
jQuery( 'body' ).trigger('afterWpautop', [ o ] );
}
return o.data;
}
};