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/**
* @output wp-admin/js/editor.js
*/
window.wp = window.wp || {};
( function( $, wp ) {
wp.editor = wp.editor || {};
/**
* Utility functions for the editor.
*
* @since 2.5.0
*/
function SwitchEditors() {
var tinymce, $$,
exports = {};
function init() {
if ( ! tinymce && window.tinymce ) {
tinymce = window.tinymce;
$$ = tinymce.$;
/**
* Handles onclick events for the Visual/Text tabs.
*
* @since 4.3.0
*
* @return {void}
*/
$$( document ).on( 'click', function( event ) {
var id, mode,
target = $$( 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 );
}
});
}
}
/**
* Returns the height of the editor toolbar(s) in px.
*
* @since 3.9.0
*
* @param {Object} editor The TinyMCE editor.
* @return {number} If the height is between 10 and 200 return the height,
* else return 30.
*/
function getToolbarHeight( editor ) {
var node = $$( '.mce-toolbar-grp', editor.getContainer() )[0],
height = node && node.clientHeight;
if ( height && height > 10 && height < 200 ) {
return parseInt( height, 10 );
}
return 30;
}
/**
* Switches the editor between Visual and Text mode.
*
* @since 2.5.0
*
* @memberof switchEditors
*
* @param {string} id The id of the editor you want to change the editor mode for. Default: `content`.
* @param {string} mode The mode you want to switch to. Default: `toggle`.
* @return {void}
*/
function switchEditor( id, mode ) {
id = id || 'content';
mode = mode || 'toggle';
var editorHeight, toolbarHeight, iframe,
editor = tinymce.get( id ),
wrap = $$( '#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 the editor is visible we are already in `tinymce` mode.
if ( editor && ! editor.isHidden() ) {
return false;
}
// Insert closing tags for any open tags in QuickTags.
if ( typeof( window.QTags ) !== 'undefined' ) {
window.QTags.closeAllTags( id );
}
editorHeight = parseInt( textarea.style.height, 10 ) || 0;
var keepSelection = false;
if ( editor ) {
keepSelection = editor.getParam( 'wp_keep_scroll_position' );
} else {
keepSelection = window.tinyMCEPreInit.mceInit[ id ] &&
window.tinyMCEPreInit.mceInit[ id ].wp_keep_scroll_position;
}
if ( keepSelection ) {
// Save the selection.
addHTMLBookmarkInTextAreaContent( $textarea );
}
if ( editor ) {
editor.show();
// No point to resize the iframe in iOS.
if ( ! tinymce.Env.iOS && editorHeight ) {
toolbarHeight = getToolbarHeight( editor );
editorHeight = editorHeight - toolbarHeight + 14;
// Sane limit for the editor height.
if ( editorHeight > 50 && editorHeight < 5000 ) {
editor.theme.resizeTo( null, editorHeight );
}
}
if ( editor.getParam( 'wp_keep_scroll_position' ) ) {
// Restore the selection.
focusHTMLBookmarkInVisualEditor( editor );
}
} 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 the editor is hidden (Quicktags is shown) we don't need to switch.
if ( editor && editor.isHidden() ) {
return false;
}
if ( editor ) {
// Don't resize the textarea in iOS.
// The iframe is forced to 100% height there, we shouldn't match it.
if ( ! tinymce.Env.iOS ) {
iframe = editor.iframeElement;
editorHeight = iframe ? parseInt( iframe.style.height, 10 ) : 0;
if ( editorHeight ) {
toolbarHeight = getToolbarHeight( editor );
editorHeight = editorHeight + toolbarHeight - 14;
// Sane limit for the textarea height.
if ( editorHeight > 50 && editorHeight < 5000 ) {
textarea.style.height = editorHeight + 'px';
}
}
}
var selectionRange = null;
if ( editor.getParam( 'wp_keep_scroll_position' ) ) {
selectionRange = findBookmarkedPosition( editor );
}
editor.hide();
if ( selectionRange ) {
selectTextInTextArea( editor, selectionRange );
}
} else {
// There is probably a JS error on the page.
// The TinyMCE editor 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' );
}
}
/**
* Checks if a cursor is inside an HTML tag or comment.
*
* In order to prevent breaking HTML tags when selecting text, the cursor
* must be moved to either the start or end of the tag.
*
* This will prevent the selection marker to be inserted in the middle of an HTML tag.
*
* This function gives information whether the cursor is inside a tag or not, as well as
* the tag type, if it is a closing tag and check if the HTML tag is inside a shortcode tag,
* e.g. `[caption]<img.../>..`.
*
* @param {string} content The test content where the cursor is.
* @param {number} cursorPosition The cursor position inside the content.
*
* @return {(null|Object)} Null if cursor is not in a tag, Object if the cursor is inside a tag.
*/
function getContainingTagInfo( content, cursorPosition ) {
var lastLtPos = content.lastIndexOf( '<', cursorPosition - 1 ),
lastGtPos = content.lastIndexOf( '>', cursorPosition );
if ( lastLtPos > lastGtPos || content.substr( cursorPosition, 1 ) === '>' ) {
// Find what the tag is.
var tagContent = content.substr( lastLtPos ),
tagMatch = tagContent.match( /<\s*(\/)?(\w+|\!-{2}.*-{2})/ );
if ( ! tagMatch ) {
return null;
}
var tagType = tagMatch[2],
closingGt = tagContent.indexOf( '>' );
return {
ltPos: lastLtPos,
gtPos: lastLtPos + closingGt + 1, // Offset by one to get the position _after_ the character.
tagType: tagType,
isClosingTag: !! tagMatch[1]
};
}
return null;
}
/**
* Checks if the cursor is inside a shortcode
*
* If the cursor is inside a shortcode wrapping tag, e.g. `[caption]` it's better to
* move the selection marker to before or after the shortcode.
*
* For example `[caption]` rewrites/removes anything that's between the `[caption]` tag and the
* `<img/>` tag inside.
*
* `[caption]<span>ThisIsGone</span><img .../>[caption]`
*
* Moving the selection to before or after the short code is better, since it allows to select
* something, instead of just losing focus and going to the start of the content.
*
* @param {string} content The text content to check against.
* @param {number} cursorPosition The cursor position to check.
*
* @return {(undefined|Object)} Undefined if the cursor is not wrapped in a shortcode tag.
* Information about the wrapping shortcode tag if it's wrapped in one.
*/
function getShortcodeWrapperInfo( content, cursorPosition ) {
var contentShortcodes = getShortCodePositionsInText( content );
for ( var i = 0; i < contentShortcodes.length; i++ ) {
var element = contentShortcodes[ i ];
if ( cursorPosition >= element.startIndex && cursorPosition <= element.endIndex ) {
return element;
}
}
}
/**
* Gets a list of unique shortcodes or shortcode-look-alikes in the content.
*
* @param {string} content The content we want to scan for shortcodes.
*/
function getShortcodesInText( content ) {
var shortcodes = content.match( /\[+([\w_-])+/g ),
result = [];
if ( shortcodes ) {
for ( var i = 0; i < shortcodes.length; i++ ) {
var shortcode = shortcodes[ i ].replace( /^\[+/g, '' );
if ( result.indexOf( shortcode ) === -1 ) {
result.push( shortcode );
}
}
}
return result;
}
/**
* Gets all shortcodes and their positions in the content
*
* This function returns all the shortcodes that could be found in the textarea content
* along with their character positions and boundaries.
*
* This is used to check if the selection cursor is inside the boundaries of a shortcode
* and move it accordingly, to avoid breakage.
*
* @link adjustTextAreaSelectionCursors
*
* The information can also be used in other cases when we need to lookup shortcode data,
* as it's already structured!
*
* @param {string} content The content we want to scan for shortcodes
*/
function getShortCodePositionsInText( content ) {
var allShortcodes = getShortcodesInText( content ), shortcodeInfo;
if ( allShortcodes.length === 0 ) {
return [];
}
var shortcodeDetailsRegexp = wp.shortcode.regexp( allShortcodes.join( '|' ) ),
shortcodeMatch, // Define local scope for the variable to be used in the loop below.
shortcodesDetails = [];
while ( shortcodeMatch = shortcodeDetailsRegexp.exec( content ) ) {
/**
* Check if the shortcode should be shown as plain text.
*
* This corresponds to the [[shortcode]] syntax, which doesn't parse the shortcode
* and just shows it as text.
*/
var showAsPlainText = shortcodeMatch[1] === '[';
shortcodeInfo = {
shortcodeName: shortcodeMatch[2],
showAsPlainText: showAsPlainText,
startIndex: shortcodeMatch.index,
endIndex: shortcodeMatch.index + shortcodeMatch[0].length,
length: shortcodeMatch[0].length
};
shortcodesDetails.push( shortcodeInfo );
}
/**
* Get all URL matches, and treat them as embeds.
*
* Since there isn't a good way to detect if a URL by itself on a line is a previewable
* object, it's best to treat all of them as such.
*
* This means that the selection will capture the whole URL, in a similar way shrotcodes
* are treated.
*/
var urlRegexp = new RegExp(
'(^|[\\n\\r][\\n\\r]|<p>)(https?:\\/\\/[^\s"]+?)(<\\/p>\s*|[\\n\\r][\\n\\r]|$)', 'gi'
);
while ( shortcodeMatch = urlRegexp.exec( content ) ) {
shortcodeInfo = {
shortcodeName: 'url',
showAsPlainText: false,
startIndex: shortcodeMatch.index,
endIndex: shortcodeMatch.index + shortcodeMatch[ 0 ].length,
length: shortcodeMatch[ 0 ].length,
urlAtStartOfContent: shortcodeMatch[ 1 ] === '',
urlAtEndOfContent: shortcodeMatch[ 3 ] === ''
};
shortcodesDetails.push( shortcodeInfo );
}
return shortcodesDetails;
}
/**
* Generate a cursor marker element to be inserted in the content.
*
* `span` seems to be the least destructive element that can be used.
*
* Using DomQuery syntax to create it, since it's used as both text and as a DOM element.
*
* @param {Object} domLib DOM library instance.
* @param {string} content The content to insert into the cursor marker element.
*/
function getCursorMarkerSpan( domLib, content ) {
return domLib( '<span>' ).css( {
display: 'inline-block',
width: 0,
overflow: 'hidden',
'line-height': 0
} )
.html( content ? content : '' );
}
/**
* Gets adjusted selection cursor positions according to HTML tags, comments, and shortcodes.
*
* Shortcodes and HTML codes are a bit of a special case when selecting, since they may render
* content in Visual mode. If we insert selection markers somewhere inside them, it's really possible
* to break the syntax and render the HTML tag or shortcode broken.
*
* @link getShortcodeWrapperInfo
*
* @param {string} content Textarea content that the cursors are in
* @param {{cursorStart: number, cursorEnd: number}} cursorPositions Cursor start and end positions
*
* @return {{cursorStart: number, cursorEnd: number}}
*/
function adjustTextAreaSelectionCursors( content, cursorPositions ) {
var voidElements = [
'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input',
'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr'
];
var cursorStart = cursorPositions.cursorStart,
cursorEnd = cursorPositions.cursorEnd,
// Check if the cursor is in a tag and if so, adjust it.
isCursorStartInTag = getContainingTagInfo( content, cursorStart );
if ( isCursorStartInTag ) {
/**
* Only move to the start of the HTML tag (to select the whole element) if the tag
* is part of the voidElements list above.
*
* This list includes tags that are self-contained and don't need a closing tag, according to the
* HTML5 specification.
*
* This is done in order to make selection of text a bit more consistent when selecting text in
* `<p>` tags or such.
*
* In cases where the tag is not a void element, the cursor is put to the end of the tag,
* so it's either between the opening and closing tag elements or after the closing tag.
*/
if ( voidElements.indexOf( isCursorStartInTag.tagType ) !== -1 ) {
cursorStart = isCursorStartInTag.ltPos;
} else {
cursorStart = isCursorStartInTag.gtPos;
}
}
var isCursorEndInTag = getContainingTagInfo( content, cursorEnd );
if ( isCursorEndInTag ) {
cursorEnd = isCursorEndInTag.gtPos;
}
var isCursorStartInShortcode = getShortcodeWrapperInfo( content, cursorStart );
if ( isCursorStartInShortcode && ! isCursorStartInShortcode.showAsPlainText ) {
/**
* If a URL is at the start or the end of the content,
* the selection doesn't work, because it inserts a marker in the text,
* which breaks the embedURL detection.
*
* The best way to avoid that and not modify the user content is to
* adjust the cursor to either after or before URL.
*/
if ( isCursorStartInShortcode.urlAtStartOfContent ) {
cursorStart = isCursorStartInShortcode.endIndex;
} else {
cursorStart = isCursorStartInShortcode.startIndex;
}
}
var isCursorEndInShortcode = getShortcodeWrapperInfo( content, cursorEnd );
if ( isCursorEndInShortcode && ! isCursorEndInShortcode.showAsPlainText ) {
if ( isCursorEndInShortcode.urlAtEndOfContent ) {
cursorEnd = isCursorEndInShortcode.startIndex;
} else {
cursorEnd = isCursorEndInShortcode.endIndex;
}
}
return {
cursorStart: cursorStart,
cursorEnd: cursorEnd
};
}
/**
* Adds text selection markers in the editor textarea.
*
* Adds selection markers in the content of the editor `textarea`.
* The method directly manipulates the `textarea` content, to allow TinyMCE plugins
* to run after the markers are added.
*
* @param {Object} $textarea TinyMCE's textarea wrapped as a DomQuery object
*/
function addHTMLBookmarkInTextAreaContent( $textarea ) {
if ( ! $textarea || ! $textarea.length ) {
// If no valid $textarea object is provided, there's nothing we can do.
return;
}
var textArea = $textarea[0],
textAreaContent = textArea.value,
adjustedCursorPositions = adjustTextAreaSelectionCursors( textAreaContent, {
cursorStart: textArea.selectionStart,
cursorEnd: textArea.selectionEnd
} ),
htmlModeCursorStartPosition = adjustedCursorPositions.cursorStart,
htmlModeCursorEndPosition = adjustedCursorPositions.cursorEnd,
mode = htmlModeCursorStartPosition !== htmlModeCursorEndPosition ? 'range' : 'single',
selectedText = null,
cursorMarkerSkeleton = getCursorMarkerSpan( $$, '' ).attr( 'data-mce-type','bookmark' );
if ( mode === 'range' ) {
var markedText = textArea.value.slice( htmlModeCursorStartPosition, htmlModeCursorEndPosition ),
bookMarkEnd = cursorMarkerSkeleton.clone().addClass( 'mce_SELRES_end' );
selectedText = [
markedText,
bookMarkEnd[0].outerHTML
].join( '' );
}
textArea.value = [
textArea.value.slice( 0, htmlModeCursorStartPosition ), // Text until the cursor/selection position.
cursorMarkerSkeleton.clone() // Cursor/selection start marker.
.addClass( 'mce_SELRES_start' )[0].outerHTML,
selectedText, // Selected text with end cursor/position marker.
textArea.value.slice( htmlModeCursorEndPosition ) // Text from last cursor/selection position to end.
].join( '' );
}
/**
* Focuses the selection markers in Visual mode.
*
* The method checks for existing selection markers inside the editor DOM (Visual mode)
* and create a selection between the two nodes using the DOM `createRange` selection API
*
* If there is only a single node, select only the single node through TinyMCE's selection API
*
* @param {Object} editor TinyMCE editor instance.
*/
function focusHTMLBookmarkInVisualEditor( editor ) {
var startNode = editor.$( '.mce_SELRES_start' ).attr( 'data-mce-bogus', 1 ),
endNode = editor.$( '.mce_SELRES_end' ).attr( 'data-mce-bogus', 1 );
if ( startNode.length ) {
editor.focus();
if ( ! endNode.length ) {
editor.selection.select( startNode[0] );
} else {
var selection = editor.getDoc().createRange();
selection.setStartAfter( startNode[0] );
selection.setEndBefore( endNode[0] );
editor.selection.setRng( selection );
}
}
if ( editor.getParam( 'wp_keep_scroll_position' ) ) {
scrollVisualModeToStartElement( editor, startNode );
}
removeSelectionMarker( startNode );
removeSelectionMarker( endNode );
editor.save();
}
/**
* Removes selection marker and the parent node if it is an empty paragraph.
*
* By default TinyMCE wraps loose inline tags in a `<p>`.
* When removing selection markers an empty `<p>` may be left behind, remove it.
*
* @param {Object} $marker The marker to be removed from the editor DOM, wrapped in an instnce of `editor.$`
*/
function removeSelectionMarker( $marker ) {
var $markerParent = $marker.parent();
$marker.remove();
//Remove empty paragraph left over after removing the marker.
if ( $markerParent.is( 'p' ) && ! $markerParent.children().length && ! $markerParent.text() ) {
$markerParent.remove();
}
}
/**
* Scrolls the content to place the selected element in the center of the screen.
*
* Takes an element, that is usually the selection start element, selected in
* `focusHTMLBookmarkInVisualEditor()` and scrolls the screen so the element appears roughly
* in the middle of the screen.
*
* I order to achieve the proper positioning, the editor media bar and toolbar are subtracted
* from the window height, to get the proper viewport window, that the user sees.
*
* @param {Object} editor TinyMCE editor instance.
* @param {Object} element HTMLElement that should be scrolled into view.
*/
function scrollVisualModeToStartElement( editor, element ) {
var elementTop = editor.$( element ).offset().top,
TinyMCEContentAreaTop = editor.$( editor.getContentAreaContainer() ).offset().top,
toolbarHeight = getToolbarHeight( editor ),
edTools = $( '#wp-content-editor-tools' ),
edToolsHeight = 0,
edToolsOffsetTop = 0,
$scrollArea;
if ( edTools.length ) {
edToolsHeight = edTools.height();
edToolsOffsetTop = edTools.offset().top;
}
var windowHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight,
selectionPosition = TinyMCEContentAreaTop + elementTop,
visibleAreaHeight = windowHeight - ( edToolsHeight + toolbarHeight );
// There's no need to scroll if the selection is inside the visible area.
if ( selectionPosition < visibleAreaHeight ) {
return;
}
/**
* The minimum scroll height should be to the top of the editor, to offer a consistent
* experience.
*
* In order to find the top of the editor, we calculate the offset of `#wp-content-editor-tools` and
* subtracting the height. This gives the scroll position where the top of the editor tools aligns with
* the top of the viewport (under the Master Bar)
*/
var adjustedScroll;
if ( editor.settings.wp_autoresize_on ) {
$scrollArea = $( 'html,body' );
adjustedScroll = Math.max( selectionPosition - visibleAreaHeight / 2, edToolsOffsetTop - edToolsHeight );
} else {
$scrollArea = $( editor.contentDocument ).find( 'html,body' );
adjustedScroll = elementTop;
}
$scrollArea.animate( {
scrollTop: parseInt( adjustedScroll, 10 )
}, 100 );
}
/**
* This method was extracted from the `SaveContent` hook in
* `wp-includes/js/tinymce/plugins/wordpress/plugin.js`.
*
* It's needed here, since the method changes the content a bit, which confuses the cursor position.
*
* @param {Object} event TinyMCE event object.
*/
function fixTextAreaContent( event ) {
// Keep empty paragraphs :(
event.content = event.content.replace( /<p>(?:<br ?\/?>|\u00a0|\uFEFF| )*<\/p>/g, '<p> </p>' );
}
/**
* Finds the current selection position in the Visual editor.
*
* Find the current selection in the Visual editor by inserting marker elements at the start
* and end of the selection.
*
* Uses the standard DOM selection API to achieve that goal.
*
* Check the notes in the comments in the code below for more information on some gotchas
* and why this solution was chosen.
*
* @param {Object} editor The editor where we must find the selection.
* @return {(null|Object)} The selection range position in the editor.
*/
function findBookmarkedPosition( editor ) {
// Get the TinyMCE `window` reference, since we need to access the raw selection.
var TinyMCEWindow = editor.getWin(),
selection = TinyMCEWindow.getSelection();
if ( ! selection || selection.rangeCount < 1 ) {
// no selection, no need to continue.
return;
}
/**
* The ID is used to avoid replacing user generated content, that may coincide with the
* format specified below.
* @type {string}
*/
var selectionID = 'SELRES_' + Math.random();
/**
* Create two marker elements that will be used to mark the start and the end of the range.
*
* The elements have hardcoded style that makes them invisible. This is done to avoid seeing
* random content flickering in the editor when switching between modes.
*/
var spanSkeleton = getCursorMarkerSpan( editor.$, selectionID ),
startElement = spanSkeleton.clone().addClass( 'mce_SELRES_start' ),
endElement = spanSkeleton.clone().addClass( 'mce_SELRES_end' );
/**
* Inspired by:
* @link https://stackoverflow.com/a/17497803/153310
*
* Why do it this way and not with TinyMCE's bookmarks?
*
* TinyMCE's bookmarks are very nice when working with selections and positions, BUT
* there is no way to determine the precise position of the bookmark when switching modes, since
* TinyMCE does some serialization of the content, to fix things like shortcodes, run plugins, prettify
* HTML code and so on. In this process, the bookmark markup gets lost.
*
* If we decide to hook right after the bookmark is added, we can see where the bookmark is in the raw HTML
* in TinyMCE. Unfortunately this state is before the serialization, so any visual markup in the content will
* throw off the positioning.
*
* To avoid this, we insert two custom `span`s that will serve as the markers at the beginning and end of the
* selection.
*
* Why not use TinyMCE's selection API or the DOM API to wrap the contents? Because if we do that, this creates
* a new node, which is inserted in the dom. Now this will be fine, if we worked with fixed selections to
* full nodes. Unfortunately in our case, the user can select whatever they like, which means that the
* selection may start in the middle of one node and end in the middle of a completely different one. If we
* wrap the selection in another node, this will create artifacts in the content.
*
* Using the method below, we insert the custom `span` nodes at the start and at the end of the selection.
* This helps us not break the content and also gives us the option to work with multi-node selections without
* breaking the markup.
*/
var range = selection.getRangeAt( 0 ),
startNode = range.startContainer,
startOffset = range.startOffset,
boundaryRange = range.cloneRange();
/**
* If the selection is on a shortcode with Live View, TinyMCE creates a bogus markup,
* which we have to account for.
*/
if ( editor.$( startNode ).parents( '.mce-offscreen-selection' ).length > 0 ) {
startNode = editor.$( '[data-mce-selected]' )[0];
/**
* Marking the start and end element with `data-mce-object-selection` helps
* discern when the selected object is a Live Preview selection.
*
* This way we can adjust the selection to properly select only the content, ignoring
* whitespace inserted around the selected object by the Editor.
*/
startElement.attr( 'data-mce-object-selection', 'true' );
endElement.attr( 'data-mce-object-selection', 'true' );
editor.$( startNode ).before( startElement[0] );
editor.$( startNode ).after( endElement[0] );
} else {
boundaryRange.collapse( false );
boundaryRange.insertNode( endElement[0] );
boundaryRange.setStart( startNode, startOffset );
boundaryRange.collapse( true );
boundaryRange.insertNode( startElement[0] );
range.setStartAfter( startElement[0] );
range.setEndBefore( endElement[0] );
selection.removeAllRanges();
selection.addRange( range );
}
/**
* Now the editor's content has the start/end nodes.
*
* Unfortunately the content goes through some more changes after this step, before it gets inserted
* in the `textarea`. This means that we have to do some minor cleanup on our own here.
*/
editor.on( 'GetContent', fixTextAreaContent );
var content = removep( editor.getContent() );
editor.off( 'GetContent', fixTextAreaContent );
startElement.remove();
endElement.remove();
var startRegex = new RegExp(
'<span[^>]*\\s*class="mce_SELRES_start"[^>]+>\\s*' + selectionID + '[^<]*<\\/span>(\\s*)'
);
var endRegex = new RegExp(
'(\\s*)<span[^>]*\\s*class="mce_SELRES_end"[^>]+>\\s*' + selectionID + '[^<]*<\\/span>'
);
var startMatch = content.match( startRegex ),
endMatch = content.match( endRegex );
if ( ! startMatch ) {
return null;
}
var startIndex = startMatch.index,
startMatchLength = startMatch[0].length,
endIndex = null;
if (endMatch) {
/**
* Adjust the selection index, if the selection contains a Live Preview object or not.
*
* Check where the `data-mce-object-selection` attribute is set above for more context.
*/
if ( startMatch[0].indexOf( 'data-mce-object-selection' ) !== -1 ) {
startMatchLength -= startMatch[1].length;
}
var endMatchIndex = endMatch.index;
if ( endMatch[0].indexOf( 'data-mce-object-selection' ) !== -1 ) {
endMatchIndex -= endMatch[1].length;
}
// We need to adjust the end position to discard the length of the range start marker.
endIndex = endMatchIndex - startMatchLength;
}
return {
start: startIndex,
end: endIndex
};
}
/**
* Selects text in the TinyMCE `textarea`.
*
* Selects the text in TinyMCE's textarea that's between `selection.start` and `selection.end`.
*
* For `selection` parameter:
* @link findBookmarkedPosition
*
* @param {Object} editor TinyMCE's editor instance.
* @param {Object} selection Selection data.
*/
function selectTextInTextArea( editor, selection ) {
// Only valid in the text area mode and if we have selection.
if ( ! selection ) {
return;
}
var textArea = editor.getElement(),
start = selection.start,
end = selection.end || selection.start;
if ( textArea.focus ) {
// Wait for the Visual editor to be hidden, then focus and scroll to the position.
setTimeout( function() {
textArea.setSelectionRange( start, end );
if ( textArea.blur ) {
// Defocus before focusing.
textArea.blur();
}
textArea.focus();
}, 100 );
}
}
// Restore the selection when the editor is initialized. Needed when the Text editor is the default.
$( document ).on( 'tinymce-editor-init.keep-scroll-position', function( event, editor ) {
if ( editor.$( '.mce_SELRES_start' ).length ) {
focusHTMLBookmarkInVisualEditor( editor );
}
} );
/**
* Replaces <p> tags with two line breaks. "Opposite" of wpautop().
*
* Replaces <p> tags with two line breaks except where the <p> has attributes.
* Unifies whitespace.
* Indents <li>, <dt> and <dd> for better readability.
*
* @since 2.5.0
*
* @memberof switchEditors
*
* @param {string} html The content from the editor.
* @return {string} The content with stripped paragraph tags.
*/
function removep( html ) {
var blocklist = 'blockquote|ul|ol|li|dl|dt|dd|table|thead|tbody|tfoot|tr|th|td|h[1-6]|fieldset|figure',
blocklist1 = blocklist + '|div|p',
blocklist2 = blocklist + '|pre',
preserve_linebreaks = false,
preserve_br = false,
preserve = [];
if ( ! html ) {
return '';
}
// Protect 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>' );
});
}
// Remove line breaks but keep <br> tags inside image captions.
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]+/, '' );
});
}
// Normalize white space characters before and after block tags.
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#>' );
// Preserve the first <p> inside a <div>.
html = html.replace( /<div( [^>]*)?>\s*<p>/gi, '<div$1>\n\n' );
// Remove paragraph tags.
html = html.replace( /\s*<p>/gi, '' );
html = html.replace( /\s*<\/p>\s*/gi, '\n\n' );
// Normalize white space chars and remove multiple line breaks.
html = html.replace( /\n[\s\u00a0]+\n/g, '\n\n' );
// Replace <br> tags with line breaks.
html = html.replace( /(\s*)<br ?\/?>\s*/gi, function( match, space ) {
if ( space && space.indexOf( '\n' ) !== -1 ) {
return '\n\n';
}
return '\n';
});
// Fix line breaks around <div>.
html = html.replace( /\s*<div/g, '\n<div' );
html = html.replace( /<\/div>\s*/g, '</div>\n' );
// Fix line breaks around caption shortcodes.
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' );
// Pad block elements tags with a line break.
html = html.replace( new RegExp('\\s*<((?:' + blocklist2 + ')(?: [^>]*)?)\\s*>', 'g' ), '\n<$1>' );
html = html.replace( new RegExp('\\s*</(' + blocklist2 + ')>\\s*', 'g' ), '</$1>\n' );
// Indent <li>, <dt> and <dd> tags.
html = html.replace( /<((li|dt|dd)[^>]*)>/g, ' \t<$1>' );
// Fix line breaks around <select> and <option>.
if ( html.indexOf( '<option' ) !== -1 ) {
html = html.replace( /\s*<option/g, '\n<option' );
html = html.replace( /\s*<\/select>/g, '\n</select>' );
}
// Pad <hr> with two line breaks.
if ( html.indexOf( '<hr' ) !== -1 ) {
html = html.replace( /\s*<hr( [^>]*)?>\s*/g, '\n\n<hr$1>\n\n' );
}
// Remove line breaks in <object> tags.
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' );
// Pad remaining <p> tags whit a line break.
html = html.replace( /\s*(<p [^>]+>[\s\S]*?<\/p>)/g, '\n$1' );
// Trim.
html = html.replace( /^\s+/, '' );
html = html.replace( /[\s\u00a0]+$/, '' );
if ( preserve_linebreaks ) {
html = html.replace( /<wp-line-break>/g, '\n' );
}
if ( preserve_br ) {
html = html.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
}
// Restore preserved tags.
if ( preserve.length ) {
html = html.replace( /<wp-preserve>/g, function() {
return preserve.shift();
} );
}
return html;
}
/**
* Replaces two line breaks with a paragraph tag and one line break with a <br>.
*
* Similar to `wpautop()` in formatting.php.
*
* @since 2.5.0
*
* @memberof switchEditors
*
* @param {string} text The text input.
* @return {string} The formatted text.
*/
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' );
// Remove line breaks from <object>.
if ( text.indexOf( '<object' ) !== -1 ) {
text = text.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
return a.replace( /\n+/g, '' );
});
}
// Remove line breaks from tags.
text = text.replace( /<[^<>]+>/g, function( a ) {
return a.replace( /[\n\t ]+/g, ' ' );
});
// Preserve line breaks in <pre> and <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>' );
});
}
if ( text.indexOf( '<figcaption' ) !== -1 ) {
text = text.replace( /\s*(<figcaption[^>]*>)/g, '$1' );
text = text.replace( /<\/figcaption>\s*/g, '</figcaption>' );
}
// Keep <br> tags inside captions.
if ( text.indexOf( '[caption' ) !== -1 ) {
preserve_br = true;
text = text.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
a = a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' );
a = a.replace( /<[^<>]+>/g, function( b ) {
return b.replace( /[\n\t ]+/, ' ' );
});
return a.replace( /\s*\n\s*/g, '<wp-temp-br />' );
});
}
text = text + '\n\n';
text = text.replace( /<br \/>\s*<br \/>/gi, '\n\n' );
// Pad block tags with two line breaks.
text = text.replace( new RegExp( '(<(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '\n\n$1' );
text = text.replace( new RegExp( '(</(?:' + blocklist + ')>)', 'gi' ), '$1\n\n' );
text = text.replace( /<hr( [^>]*)?>/gi, '<hr$1>\n\n' );
// Remove white space chars around <option>.
text = text.replace( /\s*<option/gi, '<option' );
text = text.replace( /<\/option>\s*/gi, '</option>' );
// Normalize multiple line breaks and white space chars.
text = text.replace( /\n\s*\n+/g, '\n\n' );
// Convert two line breaks to a paragraph.
text = text.replace( /([\s\S]+?)\n\n/g, '<p>$1</p>\n' );
// Remove empty paragraphs.
text = text.replace( /<p>\s*?<\/p>/gi, '');
// Remove <p> tags that are around block tags.
text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
text = text.replace( /<p>(<li.+?)<\/p>/gi, '$1');
// Fix <p> in blockquotes.
text = text.replace( /<p>\s*<blockquote([^>]*)>/gi, '<blockquote$1><p>');
text = text.replace( /<\/blockquote>\s*<\/p>/gi, '</p></blockquote>');
// Remove <p> tags that are wrapped around block tags.
text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '$1' );
text = text.replace( new RegExp( '(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
text = text.replace( /(<br[^>]*>)\s*\n/gi, '$1' );
// Add <br> tags.
text = text.replace( /\s*\n/g, '<br />\n');
// Remove <br> tags that are around block tags.
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' );
// Remove <p> and <br> around captions.
text = text.replace( /(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi, '[caption$1[/caption]' );
// Make sure there is <p> when there is </p> inside block tags that can contain other blocks.
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>';
});
// Restore the line breaks in <pre> and <script> tags.
if ( preserve_linebreaks ) {
text = text.replace( /<wp-line-break>/g, '\n' );
}
// Restore the <br> tags in captions.
if ( preserve_br ) {
text = text.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
}
return text;
}
/**
* Fires custom jQuery events `beforePreWpautop` and `afterPreWpautop` when jQuery is available.
*
* @since 2.9.0
*
* @memberof switchEditors
*
* @param {string} html The content from the visual editor.
* @return {string} the filtered content.
*/
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;
}
/**
* Fires custom jQuery events `beforeWpautop` and `afterWpautop` when jQuery is available.
*
* @since 2.9.0
*
* @memberof switchEditors
*
* @param {string} text The content from the text editor.
* @return {string} filtered content.
*/
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 ( $ ) {
$( 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();
}
} );
}
wp.editor.autop = wpautop;
wp.editor.removep = pre_wpautop;
exports = {
go: switchEditor,
wpautop: wpautop,
pre_wpautop: pre_wpautop,
_wp_Autop: autop,
_wp_Nop: removep
};
return exports;
}
/**
* Expose the switch editors to be used globally.
*
* @namespace switchEditors
*/
window.switchEditors = new SwitchEditors();
/**
* Initialize TinyMCE and/or Quicktags. For use with wp_enqueue_editor() (PHP).
*
* Intended for use with an existing textarea that will become the Text editor tab.
* The editor width will be the width of the textarea container, height will be adjustable.
*
* Settings for both TinyMCE and Quicktags can be passed on initialization, and are "filtered"
* with custom jQuery events on the document element, wp-before-tinymce-init and wp-before-quicktags-init.
*
* @since 4.8.0
*
* @param {string} id The HTML id of the textarea that is used for the editor.
* Has to be jQuery compliant. No brackets, special chars, etc.
* @param {Object} settings Example:
* settings = {
* // See https://www.tinymce.com/docs/configure/integration-and-setup/.
* // Alternatively set to `true` to use the defaults.
* tinymce: {
* setup: function( editor ) {
* console.log( 'Editor initialized', editor );
* }
* }
*
* // Alternatively set to `true` to use the defaults.
* quicktags: {
* buttons: 'strong,em,link'
* }
* }
*/
wp.editor.initialize = function( id, settings ) {
var init;
var defaults;
if ( ! $ || ! id || ! wp.editor.getDefaultSettings ) {
return;
}
defaults = wp.editor.getDefaultSettings();
// Initialize TinyMCE by default.
if ( ! settings ) {
settings = {
tinymce: true
};
}
// Add wrap and the Visual|Text tabs.
if ( settings.tinymce && settings.quicktags ) {
var $textarea = $( '#' + id );
var $wrap = $( '<div>' ).attr( {
'class': 'wp-core-ui wp-editor-wrap tmce-active',
id: 'wp-' + id + '-wrap'
} );
var $editorContainer = $( '<div class="wp-editor-container">' );
var $button = $( '<button>' ).attr( {
type: 'button',
'data-wp-editor-id': id
} );
var $editorTools = $( '<div class="wp-editor-tools">' );
if ( settings.mediaButtons ) {
var buttonText = 'Add Media';
if ( window._wpMediaViewsL10n && window._wpMediaViewsL10n.addMedia ) {
buttonText = window._wpMediaViewsL10n.addMedia;
}
var $addMediaButton = $( '<button type="button" class="button insert-media add_media">' );
$addMediaButton.append( '<span class="wp-media-buttons-icon"></span>' );
$addMediaButton.append( document.createTextNode( ' ' + buttonText ) );
$addMediaButton.data( 'editor', id );
$editorTools.append(
$( '<div class="wp-media-buttons">' )
.append( $addMediaButton )
);
}
$wrap.append(
$editorTools
.append( $( '<div class="wp-editor-tabs">' )
.append( $button.clone().attr({
id: id + '-tmce',
'class': 'wp-switch-editor switch-tmce'
}).text( window.tinymce.translate( 'Visual' ) ) )
.append( $button.attr({
id: id + '-html',
'class': 'wp-switch-editor switch-html'
}).text( window.tinymce.translate( 'Text' ) ) )
).append( $editorContainer )
);
$textarea.after( $wrap );
$editorContainer.append( $textarea );
}
if ( window.tinymce && settings.tinymce ) {
if ( typeof settings.tinymce !== 'object' ) {
settings.tinymce = {};
}
init = $.extend( {}, defaults.tinymce, settings.tinymce );
init.selector = '#' + id;
$( document ).trigger( 'wp-before-tinymce-init', init );
window.tinymce.init( init );
if ( ! window.wpActiveEditor ) {
window.wpActiveEditor = id;
}
}
if ( window.quicktags && settings.quicktags ) {
if ( typeof settings.quicktags !== 'object' ) {
settings.quicktags = {};
}
init = $.extend( {}, defaults.quicktags, settings.quicktags );
init.id = id;
$( document ).trigger( 'wp-before-quicktags-init', init );
window.quicktags( init );
if ( ! window.wpActiveEditor ) {
window.wpActiveEditor = init.id;
}
}
};
/**
* Remove one editor instance.
*
* Intended for use with editors that were initialized with wp.editor.initialize().
*
* @since 4.8.0
*
* @param {string} id The HTML id of the editor textarea.
*/
wp.editor.remove = function( id ) {
var mceInstance, qtInstance,
$wrap = $( '#wp-' + id + '-wrap' );
if ( window.tinymce ) {
mceInstance = window.tinymce.get( id );
if ( mceInstance ) {
if ( ! mceInstance.isHidden() ) {
mceInstance.save();
}
mceInstance.remove();
}
}
if ( window.quicktags ) {
qtInstance = window.QTags.getInstance( id );
if ( qtInstance ) {
qtInstance.remove();
}
}
if ( $wrap.length ) {
$wrap.after( $( '#' + id ) );
$wrap.remove();
}
};
/**
* Get the editor content.
*
* Intended for use with editors that were initialized with wp.editor.initialize().
*
* @since 4.8.0
*
* @param {string} id The HTML id of the editor textarea.
* @return The editor content.
*/
wp.editor.getContent = function( id ) {
var editor;
if ( ! $ || ! id ) {
return;
}
if ( window.tinymce ) {
editor = window.tinymce.get( id );
if ( editor && ! editor.isHidden() ) {
editor.save();
}
}
return $( '#' + id ).val();
};
}( window.jQuery, window.wp ));