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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2Fweb%2F'>web</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.immokaernten.at%2F'>www.immokaernten.at</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.immokaernten.at%2Fhtdocs%2F'>htdocs</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.immokaernten.at%2Fhtdocs%2Fwp-admin%2F'>wp-admin</a>/<a href='?path=%2Fbig%2Fweb%2Fwww.immokaernten.at%2Fhtdocs%2Fwp-admin%2Fjs%2F'>js</a>/</p><hr><h3>✏️ Editing: image-edit.js</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>/**
 * The functions necessary for editing images.
 *
 * @since 2.9.0
 * @output wp-admin/js/image-edit.js
 */

 /* global ajaxurl, confirm */

(function($) {
	var __ = wp.i18n.__;

	/**
	 * Contains all the methods to initialize and control the image editor.
	 *
	 * @namespace imageEdit
	 */
	var imageEdit = window.imageEdit = {
	iasapi : {},
	hold : {},
	postid : &#039;&#039;,
	_view : false,

	/**
	 * Enable crop tool.
	 */
	toggleCropTool: function( postid, nonce, cropButton ) {
		var img = $( &#039;#image-preview-&#039; + postid ),
			selection = this.iasapi.getSelection();

		imageEdit.toggleControls( cropButton );
		var $el = $( cropButton );
		var state = ( $el.attr( &#039;aria-expanded&#039; ) === &#039;true&#039; ) ? &#039;true&#039; : &#039;false&#039;;
		// Crop tools have been closed.
		if ( &#039;false&#039; === state ) {
			// Cancel selection, but do not unset inputs.
			this.iasapi.cancelSelection();
			imageEdit.setDisabled($(&#039;.imgedit-crop-clear&#039;), 0);
		} else {
			imageEdit.setDisabled($(&#039;.imgedit-crop-clear&#039;), 1);
			// Get values from inputs to restore previous selection.
			var startX = ( $( &#039;#imgedit-start-x-&#039; + postid ).val() ) ? $(&#039;#imgedit-start-x-&#039; + postid).val() : 0;
			var startY = ( $( &#039;#imgedit-start-y-&#039; + postid ).val() ) ? $(&#039;#imgedit-start-y-&#039; + postid).val() : 0;
			var width = ( $( &#039;#imgedit-sel-width-&#039; + postid ).val() ) ? $(&#039;#imgedit-sel-width-&#039; + postid).val() : img.innerWidth();
			var height = ( $( &#039;#imgedit-sel-height-&#039; + postid ).val() ) ? $(&#039;#imgedit-sel-height-&#039; + postid).val() : img.innerHeight();
			// Ensure selection is available, otherwise reset to full image.
			if ( isNaN( selection.x1 ) ) {
				this.setCropSelection( postid, { &#039;x1&#039;: startX, &#039;y1&#039;: startY, &#039;x2&#039;: width, &#039;y2&#039;: height, &#039;width&#039;: width, &#039;height&#039;: height } );
				selection = this.iasapi.getSelection();
			}

			// If we don&#039;t already have a selection, select the entire image.
			if ( 0 === selection.x1 &amp;&amp; 0 === selection.y1 &amp;&amp; 0 === selection.x2 &amp;&amp; 0 === selection.y2 ) {
				this.iasapi.setSelection( 0, 0, img.innerWidth(), img.innerHeight(), true );
				this.iasapi.setOptions( { show: true } );
				this.iasapi.update();
			} else {
				this.iasapi.setSelection( startX, startY, width, height, true );
				this.iasapi.setOptions( { show: true } );
				this.iasapi.update();
			}
		}
	},

	/**
	 * Handle crop tool clicks.
	 */
	handleCropToolClick: function( postid, nonce, cropButton ) {

		if ( cropButton.classList.contains( &#039;imgedit-crop-clear&#039; ) ) {
			this.iasapi.cancelSelection();
			imageEdit.setDisabled($(&#039;.imgedit-crop-apply&#039;), 0);

			$(&#039;#imgedit-sel-width-&#039; + postid).val(&#039;&#039;);
			$(&#039;#imgedit-sel-height-&#039; + postid).val(&#039;&#039;);
			$(&#039;#imgedit-start-x-&#039; + postid).val(&#039;0&#039;);
			$(&#039;#imgedit-start-y-&#039; + postid).val(&#039;0&#039;);
			$(&#039;#imgedit-selection-&#039; + postid).val(&#039;&#039;);
		} else {
			// Otherwise, perform the crop.
			imageEdit.crop( postid, nonce , cropButton );
		}
	},

	/**
	 * Converts a value to an integer.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} f The float value that should be converted.
	 *
	 * @return {number} The integer representation from the float value.
	 */
	intval : function(f) {
		/*
		 * Bitwise OR operator: one of the obscure ways to truncate floating point figures,
		 * worth reminding JavaScript doesn&#039;t have a distinct &quot;integer&quot; type.
		 */
		return f | 0;
	},

	/**
	 * Adds the disabled attribute and class to a single form element or a field set.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {jQuery}         el The element that should be modified.
	 * @param {boolean|number} s  The state for the element. If set to true
	 *                            the element is disabled,
	 *                            otherwise the element is enabled.
	 *                            The function is sometimes called with a 0 or 1
	 *                            instead of true or false.
	 *
	 * @return {void}
	 */
	setDisabled : function( el, s ) {
		/*
		 * `el` can be a single form element or a fieldset. Before #28864, the disabled state on
		 * some text fields  was handled targeting $(&#039;input&#039;, el). Now we need to handle the
		 * disabled state on buttons too so we can just target `el` regardless if it&#039;s a single
		 * element or a fieldset because when a fieldset is disabled, its descendants are disabled too.
		 */
		if ( s ) {
			el.removeClass( &#039;disabled&#039; ).prop( &#039;disabled&#039;, false );
		} else {
			el.addClass( &#039;disabled&#039; ).prop( &#039;disabled&#039;, true );
		}
	},

	/**
	 * Initializes the image editor.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {void}
	 */
	init : function(postid) {
		var t = this, old = $(&#039;#image-editor-&#039; + t.postid);

		if ( t.postid !== postid &amp;&amp; old.length ) {
			t.close(t.postid);
		}

		t.hold.sizer = parseFloat( $(&#039;#imgedit-sizer-&#039; + postid).val() );
		t.postid = postid;
		$(&#039;#imgedit-response-&#039; + postid).empty();

		$(&#039;#imgedit-panel-&#039; + postid).on( &#039;keypress&#039;, function(e) {
			var nonce = $( &#039;#imgedit-nonce-&#039; + postid ).val();
			if ( e.which === 26 &amp;&amp; e.ctrlKey ) {
				imageEdit.undo( postid, nonce );
			}

			if ( e.which === 25 &amp;&amp; e.ctrlKey ) {
				imageEdit.redo( postid, nonce );
			}
		});

		$(&#039;#imgedit-panel-&#039; + postid).on( &#039;keypress&#039;, &#039;input[type=&quot;text&quot;]&#039;, function(e) {
			var k = e.keyCode;

			// Key codes 37 through 40 are the arrow keys.
			if ( 36 &lt; k &amp;&amp; k &lt; 41 ) {
				$(this).trigger( &#039;blur&#039; );
			}

			// The key code 13 is the Enter key.
			if ( 13 === k ) {
				e.preventDefault();
				e.stopPropagation();
				return false;
			}
		});

		$( document ).on( &#039;image-editor-ui-ready&#039;, this.focusManager );
	},

	/**
	 * Calculate the image size and save it to memory.
	 *
	 * @since 6.7.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {void}
	 */
	calculateImgSize: function( postid ) {
		var t = this,
		x = t.intval( $( &#039;#imgedit-x-&#039; + postid ).val() ),
		y = t.intval( $( &#039;#imgedit-y-&#039; + postid ).val() );

		t.hold.w = t.hold.ow = x;
		t.hold.h = t.hold.oh = y;
		t.hold.xy_ratio = x / y;
		t.hold.sizer = parseFloat( $( &#039;#imgedit-sizer-&#039; + postid ).val() );
		t.currentCropSelection = null;
	},

	/**
	 * Toggles the wait/load icon in the editor.
	 *
	 * @since 2.9.0
	 * @since 5.5.0 Added the triggerUIReady parameter.
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}  postid         The post ID.
	 * @param {number}  toggle         Is 0 or 1, fades the icon in when 1 and out when 0.
	 * @param {boolean} triggerUIReady Whether to trigger a custom event when the UI is ready. Default false.
	 *
	 * @return {void}
	 */
	toggleEditor: function( postid, toggle, triggerUIReady ) {
		var wait = $(&#039;#imgedit-wait-&#039; + postid);

		if ( toggle ) {
			wait.fadeIn( &#039;fast&#039; );
		} else {
			wait.fadeOut( &#039;fast&#039;, function() {
				if ( triggerUIReady ) {
					$( document ).trigger( &#039;image-editor-ui-ready&#039; );
				}
			} );
		}
	},

	/**
	 * Shows or hides image menu popup.
	 *
	 * @since 6.3.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {HTMLElement} el The activated control element.
	 *
	 * @return {boolean} Always returns false.
	 */
	togglePopup : function(el) {
		var $el = $( el );
		var $targetEl = $( el ).attr( &#039;aria-controls&#039; );
		var $target = $( &#039;#&#039; + $targetEl );
		$el
			.attr( &#039;aria-expanded&#039;, &#039;false&#039; === $el.attr( &#039;aria-expanded&#039; ) ? &#039;true&#039; : &#039;false&#039; );
		// Open menu and set z-index to appear above image crop area if it is enabled.
		$target
			.toggleClass( &#039;imgedit-popup-menu-open&#039; ).slideToggle( &#039;fast&#039; ).css( { &#039;z-index&#039; : 200000 } );
		// Move focus to first item in menu when opening menu.
		if ( &#039;true&#039; === $el.attr( &#039;aria-expanded&#039; ) ) {
			$target.find( &#039;button&#039; ).first().trigger( &#039;focus&#039; );
		}

		return false;
	},

	/**
	 * Observes whether the popup should remain open based on focus position.
	 *
	 * @since 6.4.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {HTMLElement} el The activated control element.
	 *
	 * @return {boolean} Always returns false.
	 */
	monitorPopup : function() {
		var $parent = document.querySelector( &#039;.imgedit-rotate-menu-container&#039; );
		var $toggle = document.querySelector( &#039;.imgedit-rotate-menu-container .imgedit-rotate&#039; );

		setTimeout( function() {
			var $focused = document.activeElement;
			var $contains = $parent.contains( $focused );

			// If $focused is defined and not inside the menu container, close the popup.
			if ( $focused &amp;&amp; ! $contains ) {
				if ( &#039;true&#039; === $toggle.getAttribute( &#039;aria-expanded&#039; ) ) {
					imageEdit.togglePopup( $toggle );
				}
			}
		}, 100 );

		return false;
	},

	/**
	 * Navigate popup menu by arrow keys.
	 *
	 * @since 6.3.0
	 * @since 6.7.0 Added the event parameter.
	 *
	 * @memberof imageEdit
	 *
	 * @param {Event} event The key or click event.
	 * @param {HTMLElement} el The current element.
	 *
	 * @return {boolean} Always returns false.
	 */
	browsePopup : function(event, el) {
		var $el = $( el );
		var $collection = $( el ).parent( &#039;.imgedit-popup-menu&#039; ).find( &#039;button&#039; );
		var $index = $collection.index( $el );
		var $prev = $index - 1;
		var $next = $index + 1;
		var $last = $collection.length;
		if ( $prev &lt; 0 ) {
			$prev = $last - 1;
		}
		if ( $next === $last ) {
			$next = 0;
		}
		var target = false;
		if ( event.keyCode === 40 ) {
			target = $collection.get( $next );
		} else if ( event.keyCode === 38 ) {
			target = $collection.get( $prev );
		}
		if ( target ) {
			target.focus();
			event.preventDefault();
		}

		return false;
	},

	/**
	 * Close popup menu and reset focus on feature activation.
	 *
	 * @since 6.3.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {HTMLElement} el The current element.
	 *
	 * @return {boolean} Always returns false.
	 */
	closePopup : function(el) {
		var $parent = $(el).parent( &#039;.imgedit-popup-menu&#039; );
		var $controlledID = $parent.attr( &#039;id&#039; );
		var $target = $( &#039;button[aria-controls=&quot;&#039; + $controlledID + &#039;&quot;]&#039; );
		$target
			.attr( &#039;aria-expanded&#039;, &#039;false&#039; ).trigger( &#039;focus&#039; );
		$parent
			.toggleClass( &#039;imgedit-popup-menu-open&#039; ).slideToggle( &#039;fast&#039; );

		return false;
	},

	/**
	 * Shows or hides the image edit help box.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {HTMLElement} el The element to create the help window in.
	 *
	 * @return {boolean} Always returns false.
	 */
	toggleHelp : function(el) {
		var $el = $( el );
		$el
			.attr( &#039;aria-expanded&#039;, &#039;false&#039; === $el.attr( &#039;aria-expanded&#039; ) ? &#039;true&#039; : &#039;false&#039; )
			.parents( &#039;.imgedit-group-top&#039; ).toggleClass( &#039;imgedit-help-toggled&#039; ).find( &#039;.imgedit-help&#039; ).slideToggle( &#039;fast&#039; );

		return false;
	},

	/**
	 * Shows or hides image edit input fields when enabled.
	 *
	 * @since 6.3.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {HTMLElement} el The element to trigger the edit panel.
	 *
	 * @return {boolean} Always returns false.
	 */
	toggleControls : function(el) {
		var $el = $( el );
		var $target = $( &#039;#&#039; + $el.attr( &#039;aria-controls&#039; ) );
		$el
			.attr( &#039;aria-expanded&#039;, &#039;false&#039; === $el.attr( &#039;aria-expanded&#039; ) ? &#039;true&#039; : &#039;false&#039; );
		$target
			.parent( &#039;.imgedit-group&#039; ).toggleClass( &#039;imgedit-panel-active&#039; );

		return false;
	},

	/**
	 * Gets the value from the image edit target.
	 *
	 * The image edit target contains the image sizes where the (possible) changes
	 * have to be applied to.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {string} The value from the imagedit-save-target input field when available,
	 *                  &#039;full&#039; when not selected, or &#039;all&#039; if it doesn&#039;t exist.
	 */
	getTarget : function( postid ) {
		var element = $( &#039;#imgedit-save-target-&#039; + postid );

		if ( element.length ) {
			return element.find( &#039;input[name=&quot;imgedit-target-&#039; + postid + &#039;&quot;]:checked&#039; ).val() || &#039;full&#039;;
		}

		return &#039;all&#039;;
	},

	/**
	 * Recalculates the height or width and keeps the original aspect ratio.
	 *
	 * If the original image size is exceeded a red exclamation mark is shown.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}         postid The current post ID.
	 * @param {number}         x      Is 0 when it applies the y-axis
	 *                                and 1 when applicable for the x-axis.
	 * @param {jQuery}         el     Element.
	 *
	 * @return {void}
	 */
	scaleChanged : function( postid, x, el ) {
		var w = $(&#039;#imgedit-scale-width-&#039; + postid), h = $(&#039;#imgedit-scale-height-&#039; + postid),
		warn = $(&#039;#imgedit-scale-warn-&#039; + postid), w1 = &#039;&#039;, h1 = &#039;&#039;,
		scaleBtn = $(&#039;#imgedit-scale-button&#039;);

		if ( false === this.validateNumeric( el ) ) {
			return;
		}

		if ( x ) {
			h1 = ( w.val() !== &#039;&#039; ) ? Math.round( w.val() / this.hold.xy_ratio ) : &#039;&#039;;
			h.val( h1 );
		} else {
			w1 = ( h.val() !== &#039;&#039; ) ? Math.round( h.val() * this.hold.xy_ratio ) : &#039;&#039;;
			w.val( w1 );
		}

		if ( ( h1 &amp;&amp; h1 &gt; this.hold.oh ) || ( w1 &amp;&amp; w1 &gt; this.hold.ow ) ) {
			warn.css(&#039;visibility&#039;, &#039;visible&#039;);
			scaleBtn.prop(&#039;disabled&#039;, true);
		} else {
			warn.css(&#039;visibility&#039;, &#039;hidden&#039;);
			scaleBtn.prop(&#039;disabled&#039;, false);
		}
	},

	/**
	 * Gets the selected aspect ratio.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {string} The aspect ratio.
	 */
	getSelRatio : function(postid) {
		var x = this.hold.w, y = this.hold.h,
			X = this.intval( $(&#039;#imgedit-crop-width-&#039; + postid).val() ),
			Y = this.intval( $(&#039;#imgedit-crop-height-&#039; + postid).val() );

		if ( X &amp;&amp; Y ) {
			return X + &#039;:&#039; + Y;
		}

		if ( x &amp;&amp; y ) {
			return x + &#039;:&#039; + y;
		}

		return &#039;1:1&#039;;
	},

	/**
	 * Removes the last action from the image edit history.
	 * The history consist of (edit) actions performed on the image.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid  The post ID.
	 * @param {number} setSize 0 or 1, when 1 the image resets to its original size.
	 *
	 * @return {string} JSON string containing the history or an empty string if no history exists.
	 */
	filterHistory : function(postid, setSize) {
		// Apply undo state to history.
		var history = $(&#039;#imgedit-history-&#039; + postid).val(), pop, n, o, i, op = [];

		if ( history !== &#039;&#039; ) {
			// Read the JSON string with the image edit history.
			history = JSON.parse(history);
			pop = this.intval( $(&#039;#imgedit-undone-&#039; + postid).val() );
			if ( pop &gt; 0 ) {
				while ( pop &gt; 0 ) {
					history.pop();
					pop--;
				}
			}

			// Reset size to its original state.
			if ( setSize ) {
				if ( !history.length ) {
					this.hold.w = this.hold.ow;
					this.hold.h = this.hold.oh;
					return &#039;&#039;;
				}

				// Restore original &#039;o&#039;.
				o = history[history.length - 1];

				// c = &#039;crop&#039;, r = &#039;rotate&#039;, f = &#039;flip&#039;.
				o = o.c || o.r || o.f || false;

				if ( o ) {
					// fw = Full image width.
					this.hold.w = o.fw;
					// fh = Full image height.
					this.hold.h = o.fh;
				}
			}

			// Filter the last step/action from the history.
			for ( n in history ) {
				i = history[n];
				if ( i.hasOwnProperty(&#039;c&#039;) ) {
					op[n] = { &#039;c&#039;: { &#039;x&#039;: i.c.x, &#039;y&#039;: i.c.y, &#039;w&#039;: i.c.w, &#039;h&#039;: i.c.h, &#039;r&#039;: i.c.r } };
				} else if ( i.hasOwnProperty(&#039;r&#039;) ) {
					op[n] = { &#039;r&#039;: i.r.r };
				} else if ( i.hasOwnProperty(&#039;f&#039;) ) {
					op[n] = { &#039;f&#039;: i.f.f };
				}
			}
			return JSON.stringify(op);
		}
		return &#039;&#039;;
	},
	/**
	 * Binds the necessary events to the image.
	 *
	 * When the image source is reloaded the image will be reloaded.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}   postid   The post ID.
	 * @param {string}   nonce    The nonce to verify the request.
	 * @param {function} callback Function to execute when the image is loaded.
	 *
	 * @return {void}
	 */
	refreshEditor : function(postid, nonce, callback) {
		var t = this, data, img;

		t.toggleEditor(postid, 1);
		data = {
			&#039;action&#039;: &#039;imgedit-preview&#039;,
			&#039;_ajax_nonce&#039;: nonce,
			&#039;postid&#039;: postid,
			&#039;history&#039;: t.filterHistory(postid, 1),
			&#039;rand&#039;: t.intval(Math.random() * 1000000)
		};

		img = $( &#039;&lt;img id=&quot;image-preview-&#039; + postid + &#039;&quot; alt=&quot;&quot; /&gt;&#039; )
			.on( &#039;load&#039;, { history: data.history }, function( event ) {
				var max1, max2,
					parent = $( &#039;#imgedit-crop-&#039; + postid ),
					t = imageEdit,
					historyObj;

				// Checks if there already is some image-edit history.
				if ( &#039;&#039; !== event.data.history ) {
					historyObj = JSON.parse( event.data.history );
					// If last executed action in history is a crop action.
					if ( historyObj[historyObj.length - 1].hasOwnProperty( &#039;c&#039; ) ) {
						/*
						 * A crop action has completed and the crop button gets disabled
						 * ensure the undo button is enabled.
						 */
						t.setDisabled( $( &#039;#image-undo-&#039; + postid) , true );
						// Move focus to the undo button to avoid a focus loss.
						$( &#039;#image-undo-&#039; + postid ).trigger( &#039;focus&#039; );
					}
				}

				parent.empty().append(img);

				// w, h are the new full size dimensions.
				max1 = Math.max( t.hold.w, t.hold.h );
				max2 = Math.max( $(img).width(), $(img).height() );
				t.hold.sizer = max1 &gt; max2 ? max2 / max1 : 1;

				t.initCrop(postid, img, parent);

				if ( (typeof callback !== &#039;undefined&#039;) &amp;&amp; callback !== null ) {
					callback();
				}

				if ( $(&#039;#imgedit-history-&#039; + postid).val() &amp;&amp; $(&#039;#imgedit-undone-&#039; + postid).val() === &#039;0&#039; ) {
					$(&#039;button.imgedit-submit-btn&#039;, &#039;#imgedit-panel-&#039; + postid).prop(&#039;disabled&#039;, false);
				} else {
					$(&#039;button.imgedit-submit-btn&#039;, &#039;#imgedit-panel-&#039; + postid).prop(&#039;disabled&#039;, true);
				}
				var successMessage = __( &#039;Image updated.&#039; );

				t.toggleEditor(postid, 0);
				wp.a11y.speak( successMessage, &#039;assertive&#039; );
			})
			.on( &#039;error&#039;, function() {
				var errorMessage = __( &#039;Could not load the preview image. Please reload the page and try again.&#039; );

				$( &#039;#imgedit-crop-&#039; + postid )
					.empty()
					.append( &#039;&lt;div class=&quot;notice notice-error&quot; tabindex=&quot;-1&quot; role=&quot;alert&quot;&gt;&lt;p&gt;&#039; + errorMessage + &#039;&lt;/p&gt;&lt;/div&gt;&#039; );

				t.toggleEditor( postid, 0, true );
				wp.a11y.speak( errorMessage, &#039;assertive&#039; );
			} )
			.attr(&#039;src&#039;, ajaxurl + &#039;?&#039; + $.param(data));
	},
	/**
	 * Performs an image edit action.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce to verify the request.
	 * @param {string} action The action to perform on the image.
	 *                        The possible actions are: &quot;scale&quot; and &quot;restore&quot;.
	 *
	 * @return {boolean|void} Executes a post request that refreshes the page
	 *                        when the action is performed.
	 *                        Returns false if an invalid action is given,
	 *                        or when the action cannot be performed.
	 */
	action : function(postid, nonce, action) {
		var t = this, data, w, h, fw, fh;

		if ( t.notsaved(postid) ) {
			return false;
		}

		data = {
			&#039;action&#039;: &#039;image-editor&#039;,
			&#039;_ajax_nonce&#039;: nonce,
			&#039;postid&#039;: postid
		};

		if ( &#039;scale&#039; === action ) {
			w = $(&#039;#imgedit-scale-width-&#039; + postid),
			h = $(&#039;#imgedit-scale-height-&#039; + postid),
			fw = t.intval(w.val()),
			fh = t.intval(h.val());

			if ( fw &lt; 1 ) {
				w.trigger( &#039;focus&#039; );
				return false;
			} else if ( fh &lt; 1 ) {
				h.trigger( &#039;focus&#039; );
				return false;
			}

			if ( fw === t.hold.ow || fh === t.hold.oh ) {
				return false;
			}

			data[&#039;do&#039;] = &#039;scale&#039;;
			data.fwidth = fw;
			data.fheight = fh;
		} else if ( &#039;restore&#039; === action ) {
			data[&#039;do&#039;] = &#039;restore&#039;;
		} else {
			return false;
		}

		t.toggleEditor(postid, 1);
		$.post( ajaxurl, data, function( response ) {
			$( &#039;#image-editor-&#039; + postid ).empty().append( response.data.html );
			t.toggleEditor( postid, 0, true );
			// Refresh the attachment model so that changes propagate.
			if ( t._view ) {
				t._view.refresh();
			}
		} ).done( function( response ) {
			// Whether the executed action was `scale` or `restore`, the response does have a message.
			if ( response &amp;&amp; response.data.message.msg ) {
				wp.a11y.speak( response.data.message.msg );
				return;
			}

			if ( response &amp;&amp; response.data.message.error ) {
				wp.a11y.speak( response.data.message.error );
			}
		} );
	},

	/**
	 * Stores the changes that are made to the image.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}  postid   The post ID to get the image from the database.
	 * @param {string}  nonce    The nonce to verify the request.
	 *
	 * @return {boolean|void}  If the actions are successfully saved a response message is shown.
	 *                         Returns false if there is no image editing history,
	 *                         thus there are not edit-actions performed on the image.
	 */
	save : function(postid, nonce) {
		var data,
			target = this.getTarget(postid),
			history = this.filterHistory(postid, 0),
			self = this;

		if ( &#039;&#039; === history ) {
			return false;
		}

		this.toggleEditor(postid, 1);
		data = {
			&#039;action&#039;: &#039;image-editor&#039;,
			&#039;_ajax_nonce&#039;: nonce,
			&#039;postid&#039;: postid,
			&#039;history&#039;: history,
			&#039;target&#039;: target,
			&#039;context&#039;: $(&#039;#image-edit-context&#039;).length ? $(&#039;#image-edit-context&#039;).val() : null,
			&#039;do&#039;: &#039;save&#039;
		};
		// Post the image edit data to the backend.
		$.post( ajaxurl, data, function( response ) {
			// If a response is returned, close the editor and show an error.
			if ( response.data.error ) {
				$( &#039;#imgedit-response-&#039; + postid )
					.html( &#039;&lt;div class=&quot;notice notice-error&quot; tabindex=&quot;-1&quot; role=&quot;alert&quot;&gt;&lt;p&gt;&#039; + response.data.error + &#039;&lt;/p&gt;&lt;/div&gt;&#039; );

				imageEdit.close(postid);
				wp.a11y.speak( response.data.error );
				return;
			}

			if ( response.data.fw &amp;&amp; response.data.fh ) {
				$( &#039;#media-dims-&#039; + postid ).html( response.data.fw + &#039; &amp;times; &#039; + response.data.fh );
			}

			if ( response.data.thumbnail ) {
				$( &#039;.thumbnail&#039;, &#039;#thumbnail-head-&#039; + postid ).attr( &#039;src&#039;, &#039;&#039; + response.data.thumbnail );
			}

			if ( response.data.msg ) {
				$( &#039;#imgedit-response-&#039; + postid )
					.html( &#039;&lt;div class=&quot;notice notice-success&quot; tabindex=&quot;-1&quot; role=&quot;alert&quot;&gt;&lt;p&gt;&#039; + response.data.msg + &#039;&lt;/p&gt;&lt;/div&gt;&#039; );

				wp.a11y.speak( response.data.msg );
			}

			if ( self._view ) {
				self._view.save();
			} else {
				imageEdit.close(postid);
			}
		});
	},

	/**
	 * Creates the image edit window.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid   The post ID for the image.
	 * @param {string} nonce    The nonce to verify the request.
	 * @param {Object} view     The image editor view to be used for the editing.
	 *
	 * @return {void|promise} Either returns void if the button was already activated
	 *                        or returns an instance of the image editor, wrapped in a promise.
	 */
	open : function( postid, nonce, view ) {
		this._view = view;

		var dfd, data,
			elem = $( &#039;#image-editor-&#039; + postid ),
			head = $( &#039;#media-head-&#039; + postid ),
			btn = $( &#039;#imgedit-open-btn-&#039; + postid ),
			spin = btn.siblings( &#039;.spinner&#039; );

		/*
		 * Instead of disabling the button, which causes a focus loss and makes screen
		 * readers announce &quot;unavailable&quot;, return if the button was already clicked.
		 */
		if ( btn.hasClass( &#039;button-activated&#039; ) ) {
			return;
		}

		spin.addClass( &#039;is-active&#039; );

		data = {
			&#039;action&#039;: &#039;image-editor&#039;,
			&#039;_ajax_nonce&#039;: nonce,
			&#039;postid&#039;: postid,
			&#039;do&#039;: &#039;open&#039;
		};

		dfd = $.ajax( {
			url:  ajaxurl,
			type: &#039;post&#039;,
			data: data,
			beforeSend: function() {
				btn.addClass( &#039;button-activated&#039; );
			}
		} ).done( function( response ) {
			var errorMessage;

			if ( &#039;-1&#039; === response ) {
				errorMessage = __( &#039;Could not load the preview image.&#039; );
				elem.html( &#039;&lt;div class=&quot;notice notice-error&quot; tabindex=&quot;-1&quot; role=&quot;alert&quot;&gt;&lt;p&gt;&#039; + errorMessage + &#039;&lt;/p&gt;&lt;/div&gt;&#039; );
			}

			if ( response.data &amp;&amp; response.data.html ) {
				elem.html( response.data.html );
			}

			head.fadeOut( &#039;fast&#039;, function() {
				elem.fadeIn( &#039;fast&#039;, function() {
					if ( errorMessage ) {
						$( document ).trigger( &#039;image-editor-ui-ready&#039; );
					}
				} );
				btn.removeClass( &#039;button-activated&#039; );
				spin.removeClass( &#039;is-active&#039; );
			} );
			// Initialize the Image Editor now that everything is ready.
			imageEdit.init( postid );
		} );

		return dfd;
	},

	/**
	 * Initializes the cropping tool and sets a default cropping selection.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {void}
	 */
	imgLoaded : function(postid) {
		var img = $(&#039;#image-preview-&#039; + postid), parent = $(&#039;#imgedit-crop-&#039; + postid);

		// Ensure init has run even when directly loaded.
		if ( &#039;undefined&#039; === typeof this.hold.sizer ) {
			this.init( postid );
		}
		this.calculateImgSize( postid );

		this.initCrop(postid, img, parent);
		this.setCropSelection( postid, { &#039;x1&#039;: 0, &#039;y1&#039;: 0, &#039;x2&#039;: 0, &#039;y2&#039;: 0, &#039;width&#039;: img.innerWidth(), &#039;height&#039;: img.innerHeight() } );

		this.toggleEditor( postid, 0, true );
	},

	/**
	 * Manages keyboard focus in the Image Editor user interface.
	 *
	 * @since 5.5.0
	 *
	 * @return {void}
	 */
	focusManager: function() {
		/*
		 * Editor is ready. Move focus to one of the admin alert notices displayed
		 * after a user action or to the first focusable element. Since the DOM
		 * update is pretty large, the timeout helps browsers update their
		 * accessibility tree to better support assistive technologies.
		 */
		setTimeout( function() {
			var elementToSetFocusTo = $( &#039;.notice[role=&quot;alert&quot;]&#039; );

			if ( ! elementToSetFocusTo.length ) {
				elementToSetFocusTo = $( &#039;.imgedit-wrap&#039; ).find( &#039;:tabbable:first&#039; );
			}

			elementToSetFocusTo.attr( &#039;tabindex&#039;, &#039;-1&#039; ).trigger( &#039;focus&#039; );
		}, 100 );
	},

	/**
	 * Initializes the cropping tool.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}      postid The post ID.
	 * @param {HTMLElement} image  The preview image.
	 * @param {HTMLElement} parent The preview image container.
	 *
	 * @return {void}
	 */
	initCrop : function(postid, image, parent) {
		var t = this,
			selW = $(&#039;#imgedit-sel-width-&#039; + postid),
			selH = $(&#039;#imgedit-sel-height-&#039; + postid),
			$image = $( image ),
			$img;

		// Already initialized?
		if ( $image.data( &#039;imgAreaSelect&#039; ) ) {
			return;
		}

		t.iasapi = $image.imgAreaSelect({
			parent: parent,
			instance: true,
			handles: true,
			keys: true,
			minWidth: 3,
			minHeight: 3,

			/**
			 * Sets the CSS styles and binds events for locking the aspect ratio.
			 *
			 * @ignore
			 *
			 * @param {jQuery} img The preview image.
			 */
			onInit: function( img ) {
				// Ensure that the imgAreaSelect wrapper elements are position:absolute
				// (even if we&#039;re in a position:fixed modal).
				$img = $( img );
				$img.next().css( &#039;position&#039;, &#039;absolute&#039; )
					.nextAll( &#039;.imgareaselect-outer&#039; ).css( &#039;position&#039;, &#039;absolute&#039; );
				/**
				 * Binds mouse down event to the cropping container.
				 *
				 * @return {void}
				 */
				parent.children().on( &#039;mousedown touchstart&#039;, function(e) {
					var ratio = false,
					 	sel = t.iasapi.getSelection(),
					 	cx = t.intval( $( &#039;#imgedit-crop-width-&#039; + postid ).val() ),
					 	cy = t.intval( $( &#039;#imgedit-crop-height-&#039; + postid ).val() );

					if ( cx &amp;&amp; cy ) {
						ratio = t.getSelRatio( postid );
					} else if ( e.shiftKey &amp;&amp; sel &amp;&amp; sel.width &amp;&amp; sel.height ) {
						ratio = sel.width + &#039;:&#039; + sel.height;
					}

					t.iasapi.setOptions({
						aspectRatio: ratio
					});
				});
			},

			/**
			 * Event triggered when starting a selection.
			 *
			 * @ignore
			 *
			 * @return {void}
			 */
			onSelectStart: function() {
				imageEdit.setDisabled($(&#039;#imgedit-crop-sel-&#039; + postid), 1);
				imageEdit.setDisabled($(&#039;.imgedit-crop-clear&#039;), 1);
				imageEdit.setDisabled($(&#039;.imgedit-crop-apply&#039;), 1);
			},
			/**
			 * Event triggered when the selection is ended.
			 *
			 * @ignore
			 *
			 * @param {Object} img jQuery object representing the image.
			 * @param {Object} c   The selection.
			 *
			 * @return {Object}
			 */
			onSelectEnd: function(img, c) {
				imageEdit.setCropSelection(postid, c);
				if ( ! $(&#039;#imgedit-crop &gt; *&#039;).is(&#039;:visible&#039;) ) {
					imageEdit.toggleControls($(&#039;.imgedit-crop.button&#039;));
				}
			},

			/**
			 * Event triggered when the selection changes.
			 *
			 * @ignore
			 *
			 * @param {Object} img jQuery object representing the image.
			 * @param {Object} c   The selection.
			 *
			 * @return {void}
			 */
			onSelectChange: function(img, c) {
				var sizer = imageEdit.hold.sizer,
					oldSel = imageEdit.currentCropSelection;

				if ( oldSel != null &amp;&amp; oldSel.width == c.width &amp;&amp; oldSel.height == c.height ) {
					return;
				}

				selW.val( Math.min( imageEdit.hold.w, imageEdit.round( c.width / sizer ) ) );
				selH.val( Math.min( imageEdit.hold.h, imageEdit.round( c.height / sizer ) ) );

				t.currentCropSelection = c;
			}
		});
	},

	/**
	 * Stores the current crop selection.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 * @param {Object} c      The selection.
	 *
	 * @return {boolean}
	 */
	setCropSelection : function(postid, c) {
		var sel,
			selW = $( &#039;#imgedit-sel-width-&#039; + postid ),
			selH = $( &#039;#imgedit-sel-height-&#039; + postid ),
			sizer = this.hold.sizer,
			hold = this.hold;

		c = c || 0;

		if ( !c || ( c.width &lt; 3 &amp;&amp; c.height &lt; 3 ) ) {
			this.setDisabled( $( &#039;.imgedit-crop&#039;, &#039;#imgedit-panel-&#039; + postid ), 1 );
			this.setDisabled( $( &#039;#imgedit-crop-sel-&#039; + postid ), 1 );
			$(&#039;#imgedit-sel-width-&#039; + postid).val(&#039;&#039;);
			$(&#039;#imgedit-sel-height-&#039; + postid).val(&#039;&#039;);
			$(&#039;#imgedit-start-x-&#039; + postid).val(&#039;0&#039;);
			$(&#039;#imgedit-start-y-&#039; + postid).val(&#039;0&#039;);
			$(&#039;#imgedit-selection-&#039; + postid).val(&#039;&#039;);
			return false;
		}

		// adjust the selection within the bounds of the image on 100% scale
		var excessW = hold.w - ( Math.round( c.x1 / sizer ) + parseInt( selW.val() ) );
		var excessH = hold.h - ( Math.round( c.y1 / sizer ) + parseInt( selH.val() ) );
		var x = Math.round( c.x1 / sizer ) + Math.min( 0, excessW );
		var y = Math.round( c.y1 / sizer ) + Math.min( 0, excessH );

		// use 100% scaling to prevent rounding errors
		sel = { &#039;r&#039;: 1, &#039;x&#039;: x, &#039;y&#039;: y, &#039;w&#039;: selW.val(), &#039;h&#039;: selH.val() };

		this.setDisabled($(&#039;.imgedit-crop&#039;, &#039;#imgedit-panel-&#039; + postid), 1);
		$(&#039;#imgedit-selection-&#039; + postid).val( JSON.stringify(sel) );
	},


	/**
	 * Closes the image editor.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}  postid The post ID.
	 * @param {boolean} warn   Warning message.
	 *
	 * @return {void|boolean} Returns false if there is a warning.
	 */
	close : function(postid, warn) {
		warn = warn || false;

		if ( warn &amp;&amp; this.notsaved(postid) ) {
			return false;
		}

		this.iasapi = {};
		this.hold = {};

		// If we&#039;ve loaded the editor in the context of a Media Modal,
		// then switch to the previous view, whatever that might have been.
		if ( this._view ){
			this._view.back();
		}

		// In case we are not accessing the image editor in the context of a View,
		// close the editor the old-school way.
		else {
			$(&#039;#image-editor-&#039; + postid).fadeOut(&#039;fast&#039;, function() {
				$( &#039;#media-head-&#039; + postid ).fadeIn( &#039;fast&#039;, function() {
					// Move focus back to the Edit Image button. Runs also when saving.
					$( &#039;#imgedit-open-btn-&#039; + postid ).trigger( &#039;focus&#039; );
				});
				$(this).empty();
			});
		}


	},

	/**
	 * Checks if the image edit history is saved.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {boolean} Returns true if the history is not saved.
	 */
	notsaved : function(postid) {
		var h = $(&#039;#imgedit-history-&#039; + postid).val(),
			history = ( h !== &#039;&#039; ) ? JSON.parse(h) : [],
			pop = this.intval( $(&#039;#imgedit-undone-&#039; + postid).val() );

		if ( pop &lt; history.length ) {
			if ( confirm( $(&#039;#imgedit-leaving-&#039; + postid).text() ) ) {
				return false;
			}
			return true;
		}
		return false;
	},

	/**
	 * Adds an image edit action to the history.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {Object} op     The original position.
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce.
	 *
	 * @return {void}
	 */
	addStep : function(op, postid, nonce) {
		var t = this, elem = $(&#039;#imgedit-history-&#039; + postid),
			history = ( elem.val() !== &#039;&#039; ) ? JSON.parse( elem.val() ) : [],
			undone = $( &#039;#imgedit-undone-&#039; + postid ),
			pop = t.intval( undone.val() );

		while ( pop &gt; 0 ) {
			history.pop();
			pop--;
		}
		undone.val(0); // Reset.

		history.push(op);
		elem.val( JSON.stringify(history) );

		t.refreshEditor(postid, nonce, function() {
			t.setDisabled($(&#039;#image-undo-&#039; + postid), true);
			t.setDisabled($(&#039;#image-redo-&#039; + postid), false);
		});
	},

	/**
	 * Rotates the image.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {string} angle  The angle the image is rotated with.
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce.
	 * @param {Object} t      The target element.
	 *
	 * @return {boolean}
	 */
	rotate : function(angle, postid, nonce, t) {
		if ( $(t).hasClass(&#039;disabled&#039;) ) {
			return false;
		}
		this.closePopup(t);
		this.addStep({ &#039;r&#039;: { &#039;r&#039;: angle, &#039;fw&#039;: this.hold.h, &#039;fh&#039;: this.hold.w }}, postid, nonce);

		// Clear the selection fields after rotating.
		$( &#039;#imgedit-sel-width-&#039; + postid ).val( &#039;&#039; );
		$( &#039;#imgedit-sel-height-&#039; + postid ).val( &#039;&#039; );
		this.currentCropSelection = null;
	},

	/**
	 * Flips the image.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} axis   The axle the image is flipped on.
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce.
	 * @param {Object} t      The target element.
	 *
	 * @return {boolean}
	 */
	flip : function (axis, postid, nonce, t) {
		if ( $(t).hasClass(&#039;disabled&#039;) ) {
			return false;
		}
		this.closePopup(t);
		this.addStep({ &#039;f&#039;: { &#039;f&#039;: axis, &#039;fw&#039;: this.hold.w, &#039;fh&#039;: this.hold.h }}, postid, nonce);

		// Clear the selection fields after flipping.
		$( &#039;#imgedit-sel-width-&#039; + postid ).val( &#039;&#039; );
		$( &#039;#imgedit-sel-height-&#039; + postid ).val( &#039;&#039; );
		this.currentCropSelection = null;
	},

	/**
	 * Crops the image.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce.
	 * @param {Object} t      The target object.
	 *
	 * @return {void|boolean} Returns false if the crop button is disabled.
	 */
	crop : function (postid, nonce, t) {
		var sel = $(&#039;#imgedit-selection-&#039; + postid).val(),
			w = this.intval( $(&#039;#imgedit-sel-width-&#039; + postid).val() ),
			h = this.intval( $(&#039;#imgedit-sel-height-&#039; + postid).val() );

		if ( $(t).hasClass(&#039;disabled&#039;) || sel === &#039;&#039; ) {
			return false;
		}

		sel = JSON.parse(sel);
		if ( sel.w &gt; 0 &amp;&amp; sel.h &gt; 0 &amp;&amp; w &gt; 0 &amp;&amp; h &gt; 0 ) {
			sel.fw = w;
			sel.fh = h;
			this.addStep({ &#039;c&#039;: sel }, postid, nonce);
		}

		// Clear the selection fields after cropping.
		$( &#039;#imgedit-sel-width-&#039; + postid ).val( &#039;&#039; );
		$( &#039;#imgedit-sel-height-&#039; + postid ).val( &#039;&#039; );
		$( &#039;#imgedit-start-x-&#039; + postid ).val( &#039;0&#039; );
		$( &#039;#imgedit-start-y-&#039; + postid ).val( &#039;0&#039; );
		this.currentCropSelection = null;
	},

	/**
	 * Undoes an image edit action.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid   The post ID.
	 * @param {string} nonce    The nonce.
	 *
	 * @return {void|false} Returns false if the undo button is disabled.
	 */
	undo : function (postid, nonce) {
		var t = this, button = $(&#039;#image-undo-&#039; + postid), elem = $(&#039;#imgedit-undone-&#039; + postid),
			pop = t.intval( elem.val() ) + 1;

		if ( button.hasClass(&#039;disabled&#039;) ) {
			return;
		}

		elem.val(pop);
		t.refreshEditor(postid, nonce, function() {
			var elem = $(&#039;#imgedit-history-&#039; + postid),
				history = ( elem.val() !== &#039;&#039; ) ? JSON.parse( elem.val() ) : [];

			t.setDisabled($(&#039;#image-redo-&#039; + postid), true);
			t.setDisabled(button, pop &lt; history.length);
			// When undo gets disabled, move focus to the redo button to avoid a focus loss.
			if ( history.length === pop ) {
				$( &#039;#image-redo-&#039; + postid ).trigger( &#039;focus&#039; );
			}
		});
	},

	/**
	 * Reverts a undo action.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce.
	 *
	 * @return {void}
	 */
	redo : function(postid, nonce) {
		var t = this, button = $(&#039;#image-redo-&#039; + postid), elem = $(&#039;#imgedit-undone-&#039; + postid),
			pop = t.intval( elem.val() ) - 1;

		if ( button.hasClass(&#039;disabled&#039;) ) {
			return;
		}

		elem.val(pop);
		t.refreshEditor(postid, nonce, function() {
			t.setDisabled($(&#039;#image-undo-&#039; + postid), true);
			t.setDisabled(button, pop &gt; 0);
			// When redo gets disabled, move focus to the undo button to avoid a focus loss.
			if ( 0 === pop ) {
				$( &#039;#image-undo-&#039; + postid ).trigger( &#039;focus&#039; );
			}
		});
	},

	/**
	 * Sets the selection for the height and width in pixels.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 * @param {jQuery} el     The element containing the values.
	 *
	 * @return {void|boolean} Returns false when the x or y value is lower than 1,
	 *                        void when the value is not numeric or when the operation
	 *                        is successful.
	 */
	setNumSelection : function( postid, el ) {
		var sel, elX = $(&#039;#imgedit-sel-width-&#039; + postid), elY = $(&#039;#imgedit-sel-height-&#039; + postid),
			elX1 = $(&#039;#imgedit-start-x-&#039; + postid), elY1 = $(&#039;#imgedit-start-y-&#039; + postid),
			xS = this.intval( elX1.val() ), yS = this.intval( elY1.val() ),
			x = this.intval( elX.val() ), y = this.intval( elY.val() ),
			img = $(&#039;#image-preview-&#039; + postid), imgh = img.height(), imgw = img.width(),
			sizer = this.hold.sizer, x1, y1, x2, y2, ias = this.iasapi;

		this.currentCropSelection = null;

		if ( false === this.validateNumeric( el ) ) {
			return;
		}

		if ( x &lt; 1 ) {
			elX.val(&#039;&#039;);
			return false;
		}

		if ( y &lt; 1 ) {
			elY.val(&#039;&#039;);
			return false;
		}

		if ( ( ( x &amp;&amp; y ) || ( xS &amp;&amp; yS ) ) &amp;&amp; ( sel = ias.getSelection() ) ) {
			x2 = sel.x1 + Math.round( x * sizer );
			y2 = sel.y1 + Math.round( y * sizer );
			x1 = ( xS === sel.x1 ) ? sel.x1 : Math.round( xS * sizer );
			y1 = ( yS === sel.y1 ) ? sel.y1 : Math.round( yS * sizer );

			if ( x2 &gt; imgw ) {
				x1 = 0;
				x2 = imgw;
				elX.val( Math.min( this.hold.w, Math.round( x2 / sizer ) ) );
			}

			if ( y2 &gt; imgh ) {
				y1 = 0;
				y2 = imgh;
				elY.val( Math.min( this.hold.h, Math.round( y2 / sizer ) ) );
			}

			ias.setSelection( x1, y1, x2, y2 );
			ias.update();
			this.setCropSelection(postid, ias.getSelection());
			this.currentCropSelection = ias.getSelection();
		}
	},

	/**
	 * Rounds a number to a whole.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} num The number.
	 *
	 * @return {number} The number rounded to a whole number.
	 */
	round : function(num) {
		var s;
		num = Math.round(num);

		if ( this.hold.sizer &gt; 0.6 ) {
			return num;
		}

		s = num.toString().slice(-1);

		if ( &#039;1&#039; === s ) {
			return num - 1;
		} else if ( &#039;9&#039; === s ) {
			return num + 1;
		}

		return num;
	},

	/**
	 * Sets a locked aspect ratio for the selection.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid     The post ID.
	 * @param {number} n          The ratio to set.
	 * @param {jQuery} el         The element containing the values.
	 *
	 * @return {void}
	 */
	setRatioSelection : function(postid, n, el) {
		var sel, r, x = this.intval( $(&#039;#imgedit-crop-width-&#039; + postid).val() ),
			y = this.intval( $(&#039;#imgedit-crop-height-&#039; + postid).val() ),
			h = $(&#039;#image-preview-&#039; + postid).height();

		if ( false === this.validateNumeric( el ) ) {
			this.iasapi.setOptions({
				aspectRatio: null
			});

			return;
		}

		if ( x &amp;&amp; y ) {
			this.iasapi.setOptions({
				aspectRatio: x + &#039;:&#039; + y
			});

			if ( sel = this.iasapi.getSelection(true) ) {
				r = Math.ceil( sel.y1 + ( ( sel.x2 - sel.x1 ) / ( x / y ) ) );

				if ( r &gt; h ) {
					r = h;
					var errorMessage = __( &#039;Selected crop ratio exceeds the boundaries of the image. Try a different ratio.&#039; );

					$( &#039;#imgedit-crop-&#039; + postid )
						.prepend( &#039;&lt;div class=&quot;notice notice-error&quot; tabindex=&quot;-1&quot; role=&quot;alert&quot;&gt;&lt;p&gt;&#039; + errorMessage + &#039;&lt;/p&gt;&lt;/div&gt;&#039; );

					wp.a11y.speak( errorMessage, &#039;assertive&#039; );
					if ( n ) {
						$(&#039;#imgedit-crop-height-&#039; + postid).val( &#039;&#039; );
					} else {
						$(&#039;#imgedit-crop-width-&#039; + postid).val( &#039;&#039;);
					}
				} else {
					var error = $( &#039;#imgedit-crop-&#039; + postid ).find( &#039;.notice-error&#039; );
					if ( &#039;undefined&#039; !== typeof( error ) ) {
						error.remove();
					}
				}

				this.iasapi.setSelection( sel.x1, sel.y1, sel.x2, r );
				this.iasapi.update();
			}
		}
	},

	/**
	 * Validates if a value in a jQuery.HTMLElement is numeric.
	 *
	 * @since 4.6.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {jQuery} el The html element.
	 *
	 * @return {void|boolean} Returns false if the value is not numeric,
	 *                        void when it is.
	 */
	validateNumeric: function( el ) {
		if ( false === this.intval( $( el ).val() ) ) {
			$( el ).val( &#039;&#039; );
			return false;
		}
	}
};
})(jQuery);
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