)(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( '' ).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
* ` ` 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 );
}
}
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 ` `.
* When removing selection markers an empty ` ` may be left behind, remove it.
*
* @param {Object} $marker The marker to be removed from the editor DOM, wrapped in an instance of `editor.$`
*/
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( / (?: tags with two line breaks. "Opposite" of wpautop().
*
* Replaces tags with two line breaks except where the has attributes.
* Unifies whitespace.
* Indents
|\u00a0|\uFEFF| )*<\/p>/g, '
(\r\n|\n)?/g, '
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( /
]+>.*?)<\/p>/g, '$1' ); // Preserve the first
inside a
/gi, ' /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
tags with line breaks.
html = html.replace( /(\s*)
\s*/gi, function( match, space ) {
if ( space && space.indexOf( '\n' ) !== -1 ) {
return '\n\n';
}
return '\n';
});
// Fix line breaks around
with two line breaks.
if ( html.indexOf( '