/**

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* WordPress View plugin.

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*/

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( function( tinymce ) {

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tinymce.PluginManager.add( 'wpview', function( editor ) {

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function noop () {}

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// Set this here as wp-tinymce.js may be loaded too early.

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var wp = window.wp;

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if ( ! wp || ! wp.mce || ! wp.mce.views ) {

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return {

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getView: noop

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};

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}

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// Check if a node is a view or not.

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function isView( node ) {

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return editor.dom.hasClass( node, 'wpview' );

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}

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// Replace view tags with their text.

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function resetViews( content ) {

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function callback( match, $1 ) {

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return '<p>' + window.decodeURIComponent( $1 ) + '</p>';

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}

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if ( ! content || content.indexOf( ' data-wpview-' ) === -1 ) {

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return content;

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}

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return content

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.replace( /<div[^>]+data-wpview-text="([^"]+)"[^>]*>(?:\.|[\s\S]+?wpview-end[^>]+>\s*<\/span>\s*)?<\/div>/g, callback )

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.replace( /<p[^>]+data-wpview-marker="([^"]+)"[^>]*>[\s\S]*?<\/p>/g, callback );

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}

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editor.on( 'init', function() {

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var MutationObserver = window.MutationObserver || window.WebKitMutationObserver;

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if ( MutationObserver ) {

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new MutationObserver( function() {

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editor.fire( 'wp-body-class-change' );

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} )

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.observe( editor.getBody(), {

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attributes: true,

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attributeFilter: ['class']

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} );

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}

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// Pass on body class name changes from the editor to the wpView iframes.

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editor.on( 'wp-body-class-change', function() {

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var className = editor.getBody().className;

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editor.$( 'iframe[class="wpview-sandbox"]' ).each( function( i, iframe ) {

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// Make sure it is a local iframe.

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// jshint scripturl: true

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if ( ! iframe.src || iframe.src === 'javascript:""' ) {

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try {

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iframe.contentWindow.document.body.className = className;

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} catch( er ) {}

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}

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});

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} );

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});

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// Scan new content for matching view patterns and replace them with markers.

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editor.on( 'beforesetcontent', function( event ) {

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var node;

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if ( ! event.selection ) {

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wp.mce.views.unbind();

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}

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if ( ! event.content ) {

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return;

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}

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if ( ! event.load ) {

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node = editor.selection.getNode();

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if ( node && node !== editor.getBody() && /^\s*https?:\/\/\S+\s*$/i.test( event.content ) ) {

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// When a url is pasted or inserted, only try to embed it when it is in an empty paragraph.

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node = editor.dom.getParent( node, 'p' );

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if ( node && /^[\s\uFEFF\u00A0]*$/.test( editor.$( node ).text() || '' ) ) {

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// Make sure there are no empty inline elements in the <p>.

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node.innerHTML = '';

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} else {

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return;

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}

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}

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}

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event.content = wp.mce.views.setMarkers( event.content, editor );

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} );

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// Replace any new markers nodes with views.

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editor.on( 'setcontent', function() {

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wp.mce.views.render();

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} );

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// Empty view nodes for easier processing.

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editor.on( 'preprocess hide', function( event ) {

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editor.$( 'div[data-wpview-text], p[data-wpview-marker]', event.node ).each( function( i, node ) {

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node.innerHTML = '.';

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} );

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}, true );

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// Replace views with their text.

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editor.on( 'postprocess', function( event ) {

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event.content = resetViews( event.content );

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} );

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// Prevent adding of undo levels when replacing wpview markers

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// or when there are changes only in the (non-editable) previews.

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editor.on( 'beforeaddundo', function( event ) {

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var lastContent;

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var newContent = event.level.content || ( event.level.fragments && event.level.fragments.join( '' ) );

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if ( ! event.lastLevel ) {

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lastContent = editor.startContent;

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} else {

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lastContent = event.lastLevel.content || ( event.lastLevel.fragments && event.lastLevel.fragments.join( '' ) );

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}

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if (

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! newContent ||

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! lastContent ||

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newContent.indexOf( ' data-wpview-' ) === -1 ||

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lastContent.indexOf( ' data-wpview-' ) === -1

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) {

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return;

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}

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if ( resetViews( lastContent ) === resetViews( newContent ) ) {

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event.preventDefault();

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}

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} );

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// Make sure views are copied as their text.

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editor.on( 'drop objectselected', function( event ) {

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if ( isView( event.targetClone ) ) {

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event.targetClone = editor.getDoc().createTextNode(

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window.decodeURIComponent( editor.dom.getAttrib( event.targetClone, 'data-wpview-text' ) )

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);

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}

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} );

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// Clean up URLs for easier processing.

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editor.on( 'pastepreprocess', function( event ) {

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var content = event.content;

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if ( content ) {

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content = tinymce.trim( content.replace( /<[^>]+>/g, '' ) );

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if ( /^https?:\/\/\S+$/i.test( content ) ) {

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event.content = content;

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}

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}

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} );

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// Show the view type in the element path.

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editor.on( 'resolvename', function( event ) {

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if ( isView( event.target ) ) {

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event.name = editor.dom.getAttrib( event.target, 'data-wpview-type' ) || 'object';

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}

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} );

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// See `media` plugin.

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editor.on( 'click keyup', function() {

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var node = editor.selection.getNode();

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if ( isView( node ) ) {

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if ( editor.dom.getAttrib( node, 'data-mce-selected' ) ) {

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node.setAttribute( 'data-mce-selected', '2' );

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}

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}

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} );

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editor.addButton( 'wp_view_edit', {

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tooltip: 'Edit|button', // '|button' is not displayed, only used for context.

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icon: 'dashicon dashicons-edit',

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onclick: function() {

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var node = editor.selection.getNode();

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if ( isView( node ) ) {

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wp.mce.views.edit( editor, node );

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}

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}

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} );

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editor.addButton( 'wp_view_remove', {

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tooltip: 'Remove',

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icon: 'dashicon dashicons-no',

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onclick: function() {

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editor.fire( 'cut' );

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}

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} );

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editor.once( 'preinit', function() {

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var toolbar;

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if ( editor.wp && editor.wp._createToolbar ) {

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toolbar = editor.wp._createToolbar( [

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'wp_view_edit',

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'wp_view_remove'

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] );

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editor.on( 'wptoolbar', function( event ) {

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if ( ! event.collapsed && isView( event.element ) ) {

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event.toolbar = toolbar;

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}

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} );

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}

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} );

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editor.wp = editor.wp || {};

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editor.wp.getView = noop;

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editor.wp.setViewCursor = noop;

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return {

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getView: noop

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};

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} );

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} )( window.tinymce );

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