1/**
  2 * Contains global functions for the media upload within the post edit screen.
  3 *
  4 * Updates the ThickBox anchor href and the ThickBox's own properties in order
  5 * to set the size and position on every resize event. Also adds a function to
  6 * send HTML or text to the currently active editor.
  7 *
  8 * @file
  9 * @since 2.5.0
 10 * @output wp-admin/js/media-upload.js
 11 *
 12 * @requires jQuery
 13 */
 14
 15/* global tinymce, QTags, wpActiveEditor, tb_position */
 16
 17/**
 18 * Sends the HTML passed in the parameters to TinyMCE.
 19 *
 20 * @since 2.5.0
 21 *
 22 * @global
 23 *
 24 * @param {string} html The HTML to be sent to the editor.
 25 * @return {void|boolean} Returns false when both TinyMCE and QTags instances
 26 *                        are unavailable. This means that the HTML was not
 27 *                        sent to the editor.
 28 */
 29window.send_to_editor = function( html ) {
 30	var editor,
 31		hasTinymce = typeof tinymce !== 'undefined',
 32		hasQuicktags = typeof QTags !== 'undefined';
 33
 34	// If no active editor is set, try to set it.
 35	if ( ! wpActiveEditor ) {
 36		if ( hasTinymce && tinymce.activeEditor ) {
 37			editor = tinymce.activeEditor;
 38			window.wpActiveEditor = editor.id;
 39		} else if ( ! hasQuicktags ) {
 40			return false;
 41		}
 42	} else if ( hasTinymce ) {
 43		editor = tinymce.get( wpActiveEditor );
 44	}
 45
 46	// If the editor is set and not hidden,
 47	// insert the HTML into the content of the editor.
 48	if ( editor && ! editor.isHidden() ) {
 49		editor.execCommand( 'mceInsertContent', false, html );
 50	} else if ( hasQuicktags ) {
 51		// If quick tags are available, insert the HTML into its content.
 52		QTags.insertContent( html );
 53	} else {
 54		// If neither the TinyMCE editor and the quick tags are available,
 55		// add the HTML to the current active editor.
 56		document.getElementById( wpActiveEditor ).value += html;
 57	}
 58
 59	// If the old thickbox remove function exists, call it.
 60	if ( window.tb_remove ) {
 61		try { window.tb_remove(); } catch( e ) {}
 62	}
 63};
 64
 65(function($) {
 66	/**
 67	 * Recalculates and applies the new ThickBox position based on the current
 68	 * window size.
 69	 *
 70	 * @since 2.6.0
 71	 *
 72	 * @global
 73	 *
 74	 * @return {Object[]} Array containing jQuery objects for all the found
 75	 *                    ThickBox anchors.
 76	 */
 77	window.tb_position = function() {
 78		var tbWindow = $('#TB_window'),
 79			width = $(window).width(),
 80			H = $(window).height(),
 81			W = ( 833 < width ) ? 833 : width,
 82			adminbar_height = 0;
 83
 84		if ( $('#wpadminbar').length ) {
 85			adminbar_height = parseInt( $('#wpadminbar').css('height'), 10 );
 86		}
 87
 88		if ( tbWindow.length ) {
 89			tbWindow.width( W - 50 ).height( H - 45 - adminbar_height );
 90			$('#TB_iframeContent').width( W - 50 ).height( H - 75 - adminbar_height );
 91			tbWindow.css({'margin-left': '-' + parseInt( ( ( W - 50 ) / 2 ), 10 ) + 'px'});
 92			if ( typeof document.body.style.maxWidth !== 'undefined' )
 93				tbWindow.css({'top': 20 + adminbar_height + 'px', 'margin-top': '0'});
 94		}
 95
 96		/**
 97		 * Recalculates the new height and width for all links with a ThickBox class.
 98		 *
 99		 * @since 2.6.0
100		 */
101		return $('a.thickbox').each( function() {
102			var href = $(this).attr('href');
103			if ( ! href ) return;
104			href = href.replace(/&width=[0-9]+/g, '');
105			href = href.replace(/&height=[0-9]+/g, '');
106			$(this).attr( 'href', href + '&width=' + ( W - 80 ) + '&height=' + ( H - 85 - adminbar_height ) );
107		});
108	};
109
110	// Add handler to recalculates the ThickBox position when the window is resized.
111	$(window).on( 'resize', function(){ tb_position(); });
112
113})(jQuery);
114