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( function( tinymce ) {
tinymce.ui.Factory.add( 'WPLinkPreview', tinymce.ui.Control.extend( {
url: '#',
renderHtml: function() {
return (
'<div id="' + this._id + '" class="wp-link-preview">' +
'<a href="' + this.url + '" target="_blank" rel="noopener" tabindex="-1">' + this.url + '</a>' +
'</div>'
);
},
setURL: function( url ) {
var index, lastIndex;
if ( this.url !== url ) {
this.url = url;
url = window.decodeURIComponent( url );
url = url.replace( /^(?:https?:)?\/\/(?:www\.)?/, '' );
if ( ( index = url.indexOf( '?' ) ) !== -1 ) {
url = url.slice( 0, index );
}
if ( ( index = url.indexOf( '#' ) ) !== -1 ) {
url = url.slice( 0, index );
}
url = url.replace( /(?:index)?\.html$/, '' );
if ( url.charAt( url.length - 1 ) === '/' ) {
url = url.slice( 0, -1 );
}
// If nothing's left (maybe the URL was just a fragment), use the whole URL.
if ( url === '' ) {
url = this.url;
}
// If the URL is longer that 40 chars, concatenate the beginning (after the domain) and ending with '...'.
if ( url.length > 40 && ( index = url.indexOf( '/' ) ) !== -1 && ( lastIndex = url.lastIndexOf( '/' ) ) !== -1 && lastIndex !== index ) {
// If the beginning + ending are shorter that 40 chars, show more of the ending.
if ( index + url.length - lastIndex < 40 ) {
lastIndex = -( 40 - ( index + 1 ) );
}
url = url.slice( 0, index + 1 ) + '\u2026' + url.slice( lastIndex );
}
tinymce.$( this.getEl().firstChild ).attr( 'href', this.url ).text( url );
}
}
} ) );
tinymce.ui.Factory.add( 'WPLinkInput', tinymce.ui.Control.extend( {
renderHtml: function() {
return (
'<div id="' + this._id + '" class="wp-link-input">' +
'<input type="text" value="" placeholder="' + tinymce.translate( 'Paste URL or type to search' ) + '" />' +
'<input type="text" style="display:none" value="" />' +
'</div>'
);
},
setURL: function( url ) {
this.getEl().firstChild.value = url;
},
getURL: function() {
return tinymce.trim( this.getEl().firstChild.value );
},
getLinkText: function() {
var text = this.getEl().firstChild.nextSibling.value;
if ( ! tinymce.trim( text ) ) {
return '';
}
return text.replace( /[\r\n\t ]+/g, ' ' );
},
reset: function() {
var urlInput = this.getEl().firstChild;
urlInput.value = '';
urlInput.nextSibling.value = '';
}
} ) );
tinymce.PluginManager.add( 'wplink', function( editor ) {
var toolbar;
var editToolbar;
var previewInstance;
var inputInstance;
var linkNode;
var doingUndoRedo;
var doingUndoRedoTimer;
var $ = window.jQuery;
var emailRegex = /^(mailto:)?[a-z0-9._%+-]+@[a-z0-9][a-z0-9.-]*\.[a-z]{2,63}$/i;
var urlRegex1 = /^https?:\/\/([^\s/?.#-][^\s\/?.#]*\.?)+(\/[^\s"]*)?$/i;
var urlRegex2 = /^https?:\/\/[^\/]+\.[^\/]+($|\/)/i;
var speak = ( typeof window.wp !== 'undefined' && window.wp.a11y && window.wp.a11y.speak ) ? window.wp.a11y.speak : function() {};
var hasLinkError = false;
function getSelectedLink() {
var href, html,
node = editor.selection.getStart(),
link = editor.dom.getParent( node, 'a[href]' );
if ( ! link ) {
html = editor.selection.getContent({ format: 'raw' });
if ( html && html.indexOf( '</a>' ) !== -1 ) {
href = html.match( /href="([^">]+)"/ );
if ( href && href[1] ) {
link = editor.$( 'a[href="' + href[1] + '"]', node )[0];
}
if ( link ) {
editor.selection.select( link );
}
}
}
return link;
}
function removePlaceholders() {
editor.$( 'a' ).each( function( i, element ) {
var $element = editor.$( element );
if ( $element.attr( 'href' ) === '_wp_link_placeholder' ) {
editor.dom.remove( element, true );
} else if ( $element.attr( 'data-wplink-edit' ) ) {
$element.attr( 'data-wplink-edit', null );
}
});
}
function removePlaceholderStrings( content, dataAttr ) {
return content.replace( /(<a [^>]+>)([\s\S]*?)<\/a>/g, function( all, tag, text ) {
if ( tag.indexOf( ' href="_wp_link_placeholder"' ) > -1 ) {
return text;
}
if ( dataAttr ) {
tag = tag.replace( / data-wplink-edit="true"/g, '' );
}
tag = tag.replace( / data-wplink-url-error="true"/g, '' );
return tag + text + '</a>';
});
}
function checkLink( node ) {
var $link = editor.$( node );
var href = $link.attr( 'href' );
if ( ! href || typeof $ === 'undefined' ) {
return;
}
hasLinkError = false;
if ( /^http/i.test( href ) && ( ! urlRegex1.test( href ) || ! urlRegex2.test( href ) ) ) {
hasLinkError = true;
$link.attr( 'data-wplink-url-error', 'true' );
speak( editor.translate( 'Warning: the link has been inserted but may have errors. Please test it.' ), 'assertive' );
} else {
$link.removeAttr( 'data-wplink-url-error' );
}
}
editor.on( 'preinit', function() {
if ( editor.wp && editor.wp._createToolbar ) {
toolbar = editor.wp._createToolbar( [
'wp_link_preview',
'wp_link_edit',
'wp_link_remove'
], true );
var editButtons = [
'wp_link_input',
'wp_link_apply'
];
if ( typeof window.wpLink !== 'undefined' ) {
editButtons.push( 'wp_link_advanced' );
}
editToolbar = editor.wp._createToolbar( editButtons, true );
editToolbar.on( 'show', function() {
if ( typeof window.wpLink === 'undefined' || ! window.wpLink.modalOpen ) {
window.setTimeout( function() {
var element = editToolbar.$el.find( 'input.ui-autocomplete-input' )[0],
selection = linkNode && ( linkNode.textContent || linkNode.innerText );
if ( element ) {
if ( ! element.value && selection && typeof window.wpLink !== 'undefined' ) {
element.value = window.wpLink.getUrlFromSelection( selection );
}
if ( ! doingUndoRedo ) {
element.focus();
element.select();
}
}
} );
}
} );
editToolbar.on( 'hide', function() {
if ( ! editToolbar.scrolling ) {
editor.execCommand( 'wp_link_cancel' );
}
} );
}
} );
editor.addCommand( 'WP_Link', function() {
if ( tinymce.Env.ie && tinymce.Env.ie < 10 && typeof window.wpLink !== 'undefined' ) {
window.wpLink.open( editor.id );
return;
}
linkNode = getSelectedLink();
editToolbar.tempHide = false;
if ( ! linkNode ) {
removePlaceholders();
editor.execCommand( 'mceInsertLink', false, { href: '_wp_link_placeholder' } );
linkNode = editor.$( 'a[href="_wp_link_placeholder"]' )[0];
editor.nodeChanged();
}
editor.dom.setAttribs( linkNode, { 'data-wplink-edit': true } );
} );
editor.addCommand( 'wp_link_apply', function() {
if ( editToolbar.scrolling ) {
return;
}
var href, text;
if ( linkNode ) {
href = inputInstance.getURL();
text = inputInstance.getLinkText();
editor.focus();
var parser = document.createElement( 'a' );
parser.href = href;
if ( 'javascript:' === parser.protocol || 'data:' === parser.protocol ) { // jshint ignore:line
href = '';
}
if ( ! href ) {
editor.dom.remove( linkNode, true );
return;
}
if ( ! /^(?:[a-z]+:|#|\?|\.|\/)/.test( href ) && ! emailRegex.test( href ) ) {
href = 'http://' + href;
}
editor.dom.setAttribs( linkNode, { href: href, 'data-wplink-edit': null } );
if ( ! tinymce.trim( linkNode.innerHTML ) ) {
editor.$( linkNode ).text( text || href );
}
checkLink( linkNode );
}
inputInstance.reset();
editor.nodeChanged();
// Audible confirmation message when a link has been inserted in the Editor.
if ( typeof window.wpLinkL10n !== 'undefined' && ! hasLinkError ) {
speak( window.wpLinkL10n.linkInserted );
}
} );
editor.addCommand( 'wp_link_cancel', function() {
inputInstance.reset();
if ( ! editToolbar.tempHide ) {
removePlaceholders();
}
} );
editor.addCommand( 'wp_unlink', function() {
editor.execCommand( 'unlink' );
editToolbar.tempHide = false;
editor.execCommand( 'wp_link_cancel' );
} );
// WP default shortcuts.
editor.addShortcut( 'access+a', '', 'WP_Link' );
editor.addShortcut( 'access+s', '', 'wp_unlink' );
// The "de-facto standard" shortcut, see #27305.
editor.addShortcut( 'meta+k', '', 'WP_Link' );
editor.addButton( 'link', {
icon: 'link',
tooltip: 'Insert/edit link',
cmd: 'WP_Link',
stateSelector: 'a[href]'
});
editor.addButton( 'unlink', {
icon: 'unlink',
tooltip: 'Remove link',
cmd: 'unlink'
});
editor.addMenuItem( 'link', {
icon: 'link',
text: 'Insert/edit link',
cmd: 'WP_Link',
stateSelector: 'a[href]',
context: 'insert',
prependToContext: true
});
editor.on( 'pastepreprocess', function( event ) {
var pastedStr = event.content,
regExp = /^(?:https?:)?\/\/\S+$/i;
if ( ! editor.selection.isCollapsed() && ! regExp.test( editor.selection.getContent() ) ) {
pastedStr = pastedStr.replace( /<[^>]+>/g, '' );
pastedStr = tinymce.trim( pastedStr );
if ( regExp.test( pastedStr ) ) {
editor.execCommand( 'mceInsertLink', false, {
href: editor.dom.decode( pastedStr )
} );
event.preventDefault();
}
}
} );
// Remove any remaining placeholders on saving.
editor.on( 'savecontent', function( event ) {
event.content = removePlaceholderStrings( event.content, true );
});
// Prevent adding undo levels on inserting link placeholder.
editor.on( 'BeforeAddUndo', function( event ) {
if ( event.lastLevel && event.lastLevel.content && event.level.content &&
event.lastLevel.content === removePlaceholderStrings( event.level.content ) ) {
event.preventDefault();
}
});
// When doing undo and redo with keyboard shortcuts (Ctrl|Cmd+Z, Ctrl|Cmd+Shift+Z, Ctrl|Cmd+Y),
// set a flag to not focus the inline dialog. The editor has to remain focused so the users can do consecutive undo/redo.
editor.on( 'keydown', function( event ) {
if ( event.keyCode === 27 ) { // Esc
editor.execCommand( 'wp_link_cancel' );
}
if ( event.altKey || ( tinymce.Env.mac && ( ! event.metaKey || event.ctrlKey ) ) ||
( ! tinymce.Env.mac && ! event.ctrlKey ) ) {
return;
}
if ( event.keyCode === 89 || event.keyCode === 90 ) { // Y or Z
doingUndoRedo = true;
window.clearTimeout( doingUndoRedoTimer );
doingUndoRedoTimer = window.setTimeout( function() {
doingUndoRedo = false;
}, 500 );
}
} );
editor.addButton( 'wp_link_preview', {
type: 'WPLinkPreview',
onPostRender: function() {
previewInstance = this;
}
} );
editor.addButton( 'wp_link_input', {
type: 'WPLinkInput',
onPostRender: function() {
var element = this.getEl(),
input = element.firstChild,
$input, cache, last;
inputInstance = this;
if ( $ && $.ui && $.ui.autocomplete ) {
$input = $( input );
$input.on( 'keydown', function() {
$input.removeAttr( 'aria-activedescendant' );
} )
.autocomplete( {
source: function( request, response ) {
if ( last === request.term ) {
response( cache );
return;
}
if ( /^https?:/.test( request.term ) || request.term.indexOf( '.' ) !== -1 ) {
return response();
}
$.post( window.ajaxurl, {
action: 'wp-link-ajax',
page: 1,
search: request.term,
_ajax_linking_nonce: $( '#_ajax_linking_nonce' ).val()
}, function( data ) {
cache = data;
response( data );
}, 'json' );
last = request.term;
},
focus: function( event, ui ) {
$input.attr( 'aria-activedescendant', 'mce-wp-autocomplete-' + ui.item.ID );
/*
* Don't empty the URL input field, when using the arrow keys to
* highlight items. See api.jqueryui.com/autocomplete/#event-focus
*/
event.preventDefault();
},
select: function( event, ui ) {
$input.val( ui.item.permalink );
$( element.firstChild.nextSibling ).val( ui.item.title );
if ( 9 === event.keyCode && typeof window.wpLinkL10n !== 'undefined' ) {
// Audible confirmation message when a link has been selected.
speak( window.wpLinkL10n.linkSelected );
}
return false;
},
open: function() {
$input.attr( 'aria-expanded', 'true' );
editToolbar.blockHide = true;
},
close: function() {
$input.attr( 'aria-expanded', 'false' );
editToolbar.blockHide = false;
},
minLength: 2,
position: {
my: 'left top+2'
},
messages: {
noResults: ( typeof window.uiAutocompleteL10n !== 'undefined' ) ? window.uiAutocompleteL10n.noResults : '',
results: function( number ) {
if ( typeof window.uiAutocompleteL10n !== 'undefined' ) {
if ( number > 1 ) {
return window.uiAutocompleteL10n.manyResults.replace( '%d', number );
}
return window.uiAutocompleteL10n.oneResult;
}
}
}
} ).autocomplete( 'instance' )._renderItem = function( ul, item ) {
var fallbackTitle = ( typeof window.wpLinkL10n !== 'undefined' ) ? window.wpLinkL10n.noTitle : '',
title = item.title ? item.title : fallbackTitle;
return $( '<li role="option" id="mce-wp-autocomplete-' + item.ID + '">' )
.append( '<span>' + title + '</span> <span class="wp-editor-float-right">' + item.info + '</span>' )
.appendTo( ul );
};
$input.attr( {
'role': 'combobox',
'aria-autocomplete': 'list',
'aria-expanded': 'false',
'aria-owns': $input.autocomplete( 'widget' ).attr( 'id' )
} )
.on( 'focus', function() {
var inputValue = $input.val();
/*
* Don't trigger a search if the URL field already has a link or is empty.
* Also, avoids screen readers announce `No search results`.
*/
if ( inputValue && ! /^https?:/.test( inputValue ) ) {
$input.autocomplete( 'search' );
}
} )
// Returns a jQuery object containing the menu element.
.autocomplete( 'widget' )
.addClass( 'wplink-autocomplete' )
.attr( 'role', 'listbox' )
.removeAttr( 'tabindex' ) // Remove the `tabindex=0` attribute added by jQuery UI.
/*
* Looks like Safari and VoiceOver need an `aria-selected` attribute. See ticket #33301.
* The `menufocus` and `menublur` events are the same events used to add and remove
* the `ui-state-focus` CSS class on the menu items. See jQuery UI Menu Widget.
*/
.on( 'menufocus', function( event, ui ) {
ui.item.attr( 'aria-selected', 'true' );
})
.on( 'menublur', function() {
/*
* The `menublur` event returns an object where the item is `null`
* so we need to find the active item with other means.
*/
$( this ).find( '[aria-selected="true"]' ).removeAttr( 'aria-selected' );
});
}
tinymce.$( input ).on( 'keydown', function( event ) {
if ( event.keyCode === 13 ) {
editor.execCommand( 'wp_link_apply' );
event.preventDefault();
}
} );
}
} );
editor.on( 'wptoolbar', function( event ) {
var linkNode = editor.dom.getParent( event.element, 'a' ),
$linkNode, href, edit;
if ( typeof window.wpLink !== 'undefined' && window.wpLink.modalOpen ) {
editToolbar.tempHide = true;
return;
}
editToolbar.tempHide = false;
if ( linkNode ) {
$linkNode = editor.$( linkNode );
href = $linkNode.attr( 'href' );
edit = $linkNode.attr( 'data-wplink-edit' );
if ( href === '_wp_link_placeholder' || edit ) {
if ( href !== '_wp_link_placeholder' && ! inputInstance.getURL() ) {
inputInstance.setURL( href );
}
event.element = linkNode;
event.toolbar = editToolbar;
} else if ( href && ! $linkNode.find( 'img' ).length ) {
previewInstance.setURL( href );
event.element = linkNode;
event.toolbar = toolbar;
if ( $linkNode.attr( 'data-wplink-url-error' ) === 'true' ) {
toolbar.$el.find( '.wp-link-preview a' ).addClass( 'wplink-url-error' );
} else {
toolbar.$el.find( '.wp-link-preview a' ).removeClass( 'wplink-url-error' );
hasLinkError = false;
}
}
} else if ( editToolbar.visible() ) {
editor.execCommand( 'wp_link_cancel' );
}
} );
editor.addButton( 'wp_link_edit', {
tooltip: 'Edit|button', // '|button' is not displayed, only used for context.
icon: 'dashicon dashicons-edit',
cmd: 'WP_Link'
} );
editor.addButton( 'wp_link_remove', {
tooltip: 'Remove link',
icon: 'dashicon dashicons-editor-unlink',
cmd: 'wp_unlink'
} );
editor.addButton( 'wp_link_advanced', {
tooltip: 'Link options',
icon: 'dashicon dashicons-admin-generic',
onclick: function() {
if ( typeof window.wpLink !== 'undefined' ) {
var url = inputInstance.getURL() || null,
text = inputInstance.getLinkText() || null;
window.wpLink.open( editor.id, url, text );
editToolbar.tempHide = true;
editToolbar.hide();
}
}
} );
editor.addButton( 'wp_link_apply', {
tooltip: 'Apply',
icon: 'dashicon dashicons-editor-break',
cmd: 'wp_link_apply',
classes: 'widget btn primary'
} );
return {
close: function() {
editToolbar.tempHide = false;
editor.execCommand( 'wp_link_cancel' );
},
checkLink: checkLink
};
} );
} )( window.tinymce );