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+/**
+ * Creates a dialog containing posts that can have a particular media attached
+ * to it.
+ *
+ * @since 2.7.0
+ * @output wp-admin/js/media.js
+ *
+ * @namespace findPosts
+ *
+ * @requires jQuery
+ */
+
+/* global ajaxurl, attachMediaBoxL10n, _wpMediaGridSettings, showNotice, findPosts */
+
+( function( $ ){
+ window.findPosts = {
+ /**
+ * Opens a dialog to attach media to a post.
+ *
+ * Adds an overlay prior to retrieving a list of posts to attach the media to.
+ *
+ * @since 2.7.0
+ *
+ * @memberOf findPosts
+ *
+ * @param {string} af_name The name of the affected element.
+ * @param {string} af_val The value of the affected post element.
+ *
+ * @returns {boolean} Always returns false.
+ */
+ open: function( af_name, af_val ) {
+ var overlay = $( '.ui-find-overlay' );
+
+ if ( overlay.length === 0 ) {
+ $( 'body' ).append( '<div class="ui-find-overlay"></div>' );
+ findPosts.overlay();
+ }
+
+ overlay.show();
+
+ if ( af_name && af_val ) {
+ // #affected is a hidden input field in the dialog that keeps track of which media should be attached.
+ $( '#affected' ).attr( 'name', af_name ).val( af_val );
+ }
+
+ $( '#find-posts' ).show();
+
+ // Close the dialog when the escape key is pressed.
+ $('#find-posts-input').focus().keyup( function( event ){
+ if ( event.which == 27 ) {
+ findPosts.close();
+ }
+ });
+
+ // Retrieves a list of applicable posts for media attachment and shows them.
+ findPosts.send();
+
+ return false;
+ },
+
+ /**
+ * Clears the found posts lists before hiding the attach media dialog.
+ *
+ * @since 2.7.0
+ *
+ * @memberOf findPosts
+ *
+ * @returns {void}
+ */
+ close: function() {
+ $('#find-posts-response').empty();
+ $('#find-posts').hide();
+ $( '.ui-find-overlay' ).hide();
+ },
+
+ /**
+ * Binds a click event listener to the overlay which closes the attach media
+ * dialog.
+ *
+ * @since 3.5.0
+ *
+ * @memberOf findPosts
+ *
+ * @returns {void}
+ */
+ overlay: function() {
+ $( '.ui-find-overlay' ).on( 'click', function () {
+ findPosts.close();
+ });
+ },
+
+ /**
+ * Retrieves and displays posts based on the search term.
+ *
+ * Sends a post request to the admin_ajax.php, requesting posts based on the
+ * search term provided by the user. Defaults to all posts if no search term is
+ * provided.
+ *
+ * @since 2.7.0
+ *
+ * @memberOf findPosts
+ *
+ * @returns {void}
+ */
+ send: function() {
+ var post = {
+ ps: $( '#find-posts-input' ).val(),
+ action: 'find_posts',
+ _ajax_nonce: $('#_ajax_nonce').val()
+ },
+ spinner = $( '.find-box-search .spinner' );
+
+ spinner.addClass( 'is-active' );
+
+ /**
+ * Send a POST request to admin_ajax.php, hide the spinner and replace the list
+ * of posts with the response data. If an error occurs, display it.
+ */
+ $.ajax( ajaxurl, {
+ type: 'POST',
+ data: post,
+ dataType: 'json'
+ }).always( function() {
+ spinner.removeClass( 'is-active' );
+ }).done( function( x ) {
+ if ( ! x.success ) {
+ $( '#find-posts-response' ).text( attachMediaBoxL10n.error );
+ }
+
+ $( '#find-posts-response' ).html( x.data );
+ }).fail( function() {
+ $( '#find-posts-response' ).text( attachMediaBoxL10n.error );
+ });
+ }
+ };
+
+ /**
+ * Initializes the file once the DOM is fully loaded and attaches events to the
+ * various form elements.
+ *
+ * @returns {void}
+ */
+ $( document ).ready( function() {
+ var settings, $mediaGridWrap = $( '#wp-media-grid' );
+
+ // Opens a manage media frame into the grid.
+ if ( $mediaGridWrap.length && window.wp && window.wp.media ) {
+ settings = _wpMediaGridSettings;
+
+ window.wp.media({
+ frame: 'manage',
+ container: $mediaGridWrap,
+ library: settings.queryVars
+ }).open();
+ }
+
+ // Prevents form submission if no post has been selected.
+ $( '#find-posts-submit' ).click( function( event ) {
+ if ( ! $( '#find-posts-response input[type="radio"]:checked' ).length )
+ event.preventDefault();
+ });
+
+ // Submits the search query when hitting the enter key in the search input.
+ $( '#find-posts .find-box-search :input' ).keypress( function( event ) {
+ if ( 13 == event.which ) {
+ findPosts.send();
+ return false;
+ }
+ });
+
+ // Binds the click event to the search button.
+ $( '#find-posts-search' ).click( findPosts.send );
+
+ // Binds the close dialog click event.
+ $( '#find-posts-close' ).click( findPosts.close );
+
+ // Binds the bulk action events to the submit buttons.
+ $( '#doaction, #doaction2' ).click( function( event ) {
+
+ /*
+ * Retrieves all select elements for bulk actions that have a name starting with `action`
+ * and handle its action based on its value.
+ */
+ $( 'select[name^="action"]' ).each( function() {
+ var optionValue = $( this ).val();
+
+ if ( 'attach' === optionValue ) {
+ event.preventDefault();
+ findPosts.open();
+ } else if ( 'delete' === optionValue ) {
+ if ( ! showNotice.warn() ) {
+ event.preventDefault();
+ }
+ }
+ });
+ });
+
+ /**
+ * Enables clicking on the entire table row.
+ *
+ * @returns {void}
+ */
+ $( '.find-box-inside' ).on( 'click', 'tr', function() {
+ $( this ).find( '.found-radio input' ).prop( 'checked', true );
+ });
+ });
+})( jQuery );