WordPress/wp-admin/js/editor.js
Andrew Ozz 532e8f0204 TinyMCE: preserve <script> and <style> tags inside the editor.
Uses image placeholders for the tags and makes then visible. That way the tags can also be deleted from inside the editor.

Props iseulde, azaozz.
Fixes #32923.
Built from https://develop.svn.wordpress.org/trunk@38039


git-svn-id: http://core.svn.wordpress.org/trunk@37980 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2016-07-12 22:09:31 +00:00

387 lines
12 KiB
JavaScript

( function( $ ) {
function SwitchEditors() {
var tinymce, $$,
exports = {};
function init() {
if ( ! tinymce && window.tinymce ) {
tinymce = window.tinymce;
$$ = tinymce.$;
$$( document ).on( 'click', function( event ) {
var id, mode,
target = $$( event.target );
if ( target.hasClass( 'wp-switch-editor' ) ) {
id = target.attr( 'data-wp-editor-id' );
mode = target.hasClass( 'switch-tmce' ) ? 'tmce' : 'html';
switchEditor( id, mode );
}
});
}
}
function getToolbarHeight( editor ) {
var node = $$( '.mce-toolbar-grp', editor.getContainer() )[0],
height = node && node.clientHeight;
if ( height && height > 10 && height < 200 ) {
return parseInt( height, 10 );
}
return 30;
}
function switchEditor( id, mode ) {
id = id || 'content';
mode = mode || 'toggle';
var editorHeight, toolbarHeight, iframe,
editor = tinymce.get( id ),
wrap = $$( '#wp-' + id + '-wrap' ),
$textarea = $$( '#' + id ),
textarea = $textarea[0];
if ( 'toggle' === mode ) {
if ( editor && ! editor.isHidden() ) {
mode = 'html';
} else {
mode = 'tmce';
}
}
if ( 'tmce' === mode || 'tinymce' === mode ) {
if ( editor && ! editor.isHidden() ) {
return false;
}
if ( typeof( window.QTags ) !== 'undefined' ) {
window.QTags.closeAllTags( id );
}
editorHeight = parseInt( textarea.style.height, 10 ) || 0;
if ( editor ) {
editor.show();
// No point resizing the iframe in iOS
if ( ! tinymce.Env.iOS && editorHeight ) {
toolbarHeight = getToolbarHeight( editor );
editorHeight = editorHeight - toolbarHeight + 14;
// height cannot be under 50 or over 5000
if ( editorHeight > 50 && editorHeight < 5000 ) {
editor.theme.resizeTo( null, editorHeight );
}
}
} else {
tinymce.init( window.tinyMCEPreInit.mceInit[id] );
}
wrap.removeClass( 'html-active' ).addClass( 'tmce-active' );
$textarea.attr( 'aria-hidden', true );
window.setUserSetting( 'editor', 'tinymce' );
} else if ( 'html' === mode ) {
if ( editor && editor.isHidden() ) {
return false;
}
if ( editor ) {
if ( ! tinymce.Env.iOS ) {
iframe = editor.iframeElement;
editorHeight = iframe ? parseInt( iframe.style.height, 10 ) : 0;
if ( editorHeight ) {
toolbarHeight = getToolbarHeight( editor );
editorHeight = editorHeight + toolbarHeight - 14;
// height cannot be under 50 or over 5000
if ( editorHeight > 50 && editorHeight < 5000 ) {
textarea.style.height = editorHeight + 'px';
}
}
}
editor.hide();
} else {
// The TinyMCE instance doesn't exist, show the textarea
$textarea.css({ 'display': '', 'visibility': '' });
}
wrap.removeClass( 'tmce-active' ).addClass( 'html-active' );
$textarea.attr( 'aria-hidden', false );
window.setUserSetting( 'editor', 'html' );
}
}
// Replace paragraphs with double line breaks
function removep( html ) {
var blocklist = 'blockquote|ul|ol|li|dl|dt|dd|table|thead|tbody|tfoot|tr|th|td|h[1-6]|fieldset',
blocklist1 = blocklist + '|div|p',
blocklist2 = blocklist + '|pre',
preserve_linebreaks = false,
preserve_br = false,
preserve = [];
if ( ! html ) {
return '';
}
// Preserve script and style tags.
if ( html.indexOf( '<script' ) !== -1 || html.indexOf( '<style' ) !== -1 ) {
html = html.replace( /<(script|style)[^>]*>[\s\S]*?<\/\1>/g, function( match ) {
preserve.push( match );
return '<wp-preserve>';
} );
}
// Protect pre tags.
if ( html.indexOf( '<pre' ) !== -1 ) {
preserve_linebreaks = true;
html = html.replace( /<pre[^>]*>[\s\S]+?<\/pre>/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 ( html.indexOf( '[caption' ) !== -1 ) {
preserve_br = true;
html = html.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
html = html.replace( new RegExp( '\\s*</(' + blocklist1 + ')>\\s*', 'g' ), '</$1>\n' );
html = html.replace( new RegExp( '\\s*<((?:' + blocklist1 + ')(?: [^>]*)?)>', 'g' ), '\n<$1>' );
// Mark </p> if it has any attributes.
html = html.replace( /(<p [^>]+>.*?)<\/p>/g, '$1</p#>' );
// Separate <div> containing <p>
html = html.replace( /<div( [^>]*)?>\s*<p>/gi, '<div$1>\n\n' );
// Remove <p> and <br />
html = html.replace( /\s*<p>/gi, '' );
html = html.replace( /\s*<\/p>\s*/gi, '\n\n' );
html = html.replace( /\n[\s\u00a0]+\n/g, '\n\n' );
html = html.replace( /\s*<br ?\/?>\s*/gi, '\n' );
// Fix some block element newline issues
html = html.replace( /\s*<div/g, '\n<div' );
html = html.replace( /<\/div>\s*/g, '</div>\n' );
html = html.replace( /\s*\[caption([^\[]+)\[\/caption\]\s*/gi, '\n\n[caption$1[/caption]\n\n' );
html = html.replace( /caption\]\n\n+\[caption/g, 'caption]\n\n[caption' );
html = html.replace( new RegExp('\\s*<((?:' + blocklist2 + ')(?: [^>]*)?)\\s*>', 'g' ), '\n<$1>' );
html = html.replace( new RegExp('\\s*</(' + blocklist2 + ')>\\s*', 'g' ), '</$1>\n' );
html = html.replace( /<((li|dt|dd)[^>]*)>/g, ' \t<$1>' );
if ( html.indexOf( '<option' ) !== -1 ) {
html = html.replace( /\s*<option/g, '\n<option' );
html = html.replace( /\s*<\/select>/g, '\n</select>' );
}
if ( html.indexOf( '<hr' ) !== -1 ) {
html = html.replace( /\s*<hr( [^>]*)?>\s*/g, '\n\n<hr$1>\n\n' );
}
if ( html.indexOf( '<object' ) !== -1 ) {
html = html.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
return a.replace( /[\r\n]+/g, '' );
});
}
// Unmark special paragraph closing tags
html = html.replace( /<\/p#>/g, '</p>\n' );
html = html.replace( /\s*(<p [^>]+>[\s\S]*?<\/p>)/g, '\n$1' );
// Trim whitespace
html = html.replace( /^\s+/, '' );
html = html.replace( /[\s\u00a0]+$/, '' );
// put back the line breaks in pre|script
if ( preserve_linebreaks ) {
html = html.replace( /<wp-line-break>/g, '\n' );
}
// and the <br> tags in captions
if ( preserve_br ) {
html = html.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
}
// Put back preserved tags.
if ( preserve.length ) {
html = html.replace( /<wp-preserve>/g, function() {
return preserve.shift();
} );
}
return html;
}
// Similar to `wpautop()` in formatting.php
function autop( text ) {
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' +
'|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section' +
'|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary';
// Normalize line breaks
text = text.replace( /\r\n|\r/g, '\n' );
if ( text.indexOf( '\n' ) === -1 ) {
return text;
}
if ( text.indexOf( '<object' ) !== -1 ) {
text = text.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
return a.replace( /\n+/g, '' );
});
}
text = text.replace( /<[^<>]+>/g, function( a ) {
return a.replace( /[\n\t ]+/g, ' ' );
});
// Protect pre|script tags
if ( text.indexOf( '<pre' ) !== -1 || text.indexOf( '<script' ) !== -1 ) {
preserve_linebreaks = true;
text = text.replace( /<(pre|script)[^>]*>[\s\S]*?<\/\1>/g, function( a ) {
return a.replace( /\n/g, '<wp-line-break>' );
});
}
// keep <br> tags inside captions and convert line breaks
if ( text.indexOf( '[caption' ) !== -1 ) {
preserve_br = true;
text = text.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( /<[^<>]+>/g, function( b ) {
return b.replace( /[\n\t ]+/, ' ' );
});
// convert remaining line breaks to <br>
return a.replace( /\s*\n\s*/g, '<wp-temp-br />' );
});
}
text = text + '\n\n';
text = text.replace( /<br \/>\s*<br \/>/gi, '\n\n' );
text = text.replace( new RegExp( '(<(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '\n$1' );
text = text.replace( new RegExp( '(</(?:' + blocklist + ')>)', 'gi' ), '$1\n\n' );
text = text.replace( /<hr( [^>]*)?>/gi, '<hr$1>\n\n' ); // hr is self closing block element
text = text.replace( /\s*<option/gi, '<option' ); // No <p> or <br> around <option>
text = text.replace( /<\/option>\s*/gi, '</option>' );
text = text.replace( /\n\s*\n+/g, '\n\n' );
text = text.replace( /([\s\S]+?)\n\n/g, '<p>$1</p>\n' );
text = text.replace( /<p>\s*?<\/p>/gi, '');
text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
text = text.replace( /<p>(<li.+?)<\/p>/gi, '$1');
text = text.replace( /<p>\s*<blockquote([^>]*)>/gi, '<blockquote$1><p>');
text = text.replace( /<\/blockquote>\s*<\/p>/gi, '</p></blockquote>');
text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '$1' );
text = text.replace( new RegExp( '(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
// Remove redundant spaces and line breaks after existing <br /> tags
text = text.replace( /(<br[^>]*>)\s*\n/gi, '$1' );
// Create <br /> from the remaining line breaks
text = text.replace( /\s*\n/g, '<br />\n');
text = text.replace( new RegExp( '(</?(?:' + blocklist + ')[^>]*>)\\s*<br />', 'gi' ), '$1' );
text = text.replace( /<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)/gi, '$1' );
text = text.replace( /(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi, '[caption$1[/caption]' );
text = text.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 ) {
text = text.replace( /<wp-line-break>/g, '\n' );
}
if ( preserve_br ) {
text = text.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
}
return text;
}
// Add old events
function pre_wpautop( html ) {
var obj = { o: exports, data: html, unfiltered: html };
if ( $ ) {
$( 'body' ).trigger( 'beforePreWpautop', [ obj ] );
}
obj.data = removep( obj.data );
if ( $ ) {
$( 'body' ).trigger( 'afterPreWpautop', [ obj ] );
}
return obj.data;
}
function wpautop( text ) {
var obj = { o: exports, data: text, unfiltered: text };
if ( $ ) {
$( 'body' ).trigger( 'beforeWpautop', [ obj ] );
}
obj.data = autop( obj.data );
if ( $ ) {
$( 'body' ).trigger( 'afterWpautop', [ obj ] );
}
return obj.data;
}
if ( $ ) {
$( document ).ready( init );
} else if ( document.addEventListener ) {
document.addEventListener( 'DOMContentLoaded', init, false );
window.addEventListener( 'load', init, false );
} else if ( window.attachEvent ) {
window.attachEvent( 'onload', init );
document.attachEvent( 'onreadystatechange', function() {
if ( 'complete' === document.readyState ) {
init();
}
} );
}
window.wp = window.wp || {};
window.wp.editor = window.wp.editor || {};
window.wp.editor.autop = wpautop;
window.wp.editor.removep = pre_wpautop;
exports = {
go: switchEditor,
wpautop: wpautop,
pre_wpautop: pre_wpautop,
_wp_Autop: autop,
_wp_Nop: removep
};
return exports;
}
window.switchEditors = new SwitchEditors();
}( window.jQuery ));