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/** * 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 : '', _view : false, /* * Enable crop tool. / toggleCropTool: function( postid, nonce, cropButton ) { var img = $( '#image-preview-' + postid ), selection = this.iasapi.getSelection(); imageEdit.toggleControls( cropButton ); var $el = $( cropButton ); var state = ( $el.attr( 'aria-expanded' ) === 'true' ) ? 'true' : 'false'; // Crop tools have been closed. if ( 'false' === state ) { // Cancel selection, but do not unset inputs. this.iasapi.cancelSelection(); imageEdit.setDisabled($('.imgedit-crop-clear'), 0); } else { imageEdit.setDisabled($('.imgedit-crop-clear'), 1); // Get values from inputs to restore previous selection. var startX = ( $( '#imgedit-start-x-' + postid ).val() ) ? $('#imgedit-start-x-' + postid).val() : 0; var startY = ( $( '#imgedit-start-y-' + postid ).val() ) ? $('#imgedit-start-y-' + postid).val() : 0; var width = ( $( '#imgedit-sel-width-' + postid ).val() ) ? $('#imgedit-sel-width-' + postid).val() : img.innerWidth(); var height = ( $( '#imgedit-sel-height-' + postid ).val() ) ? $('#imgedit-sel-height-' + postid).val() : img.innerHeight(); // Ensure selection is available, otherwise reset to full image. if ( isNaN( selection.x1 ) ) { this.setCropSelection( postid, { 'x1': startX, 'y1': startY, 'x2': width, 'y2': height, 'width': width, 'height': height } ); selection = this.iasapi.getSelection(); } // If we don't already have a selection, select the entire image. if ( 0 === selection.x1 && 0 === selection.y1 && 0 === selection.x2 && 0 === selection.y2 ) { this.iasapi.setSelection( 0, 0, img.innerWidth(), img.innerHeight(), true ); this.iasapi.setOptions( { show: true } ); this.iasapi.update(); } else { this.iasapi.setSelection( startX, startY, width, height, true ); this.iasapi.setOptions( { show: true } ); this.iasapi.update(); } } }, /* * Handle crop tool clicks. / handleCropToolClick: function( postid, nonce, cropButton ) { if ( cropButton.classList.contains( 'imgedit-crop-clear' ) ) { this.iasapi.cancelSelection(); imageEdit.setDisabled($('.imgedit-crop-apply'), 0); $('#imgedit-sel-width-' + postid).val(''); $('#imgedit-sel-height-' + postid).val(''); $('#imgedit-start-x-' + postid).val('0'); $('#imgedit-start-y-' + postid).val('0'); $('#imgedit-selection-' + postid).val(''); } 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't have a distinct "integer" 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 $('input', el). Now we need to handle the * disabled state on buttons too so we can just target `el` regardless if it's a single * element or a fieldset because when a fieldset is disabled, its descendants are disabled too. / if ( s ) { el.removeClass( 'disabled' ).prop( 'disabled', false ); } else { el.addClass( 'disabled' ).prop( 'disabled', 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 = $('#image-editor-' + t.postid); if ( t.postid !== postid && old.length ) { t.close(t.postid); } t.hold.sizer = parseFloat( $('#imgedit-sizer-' + postid).val() ); t.postid = postid; $('#imgedit-response-' + postid).empty(); $('#imgedit-panel-' + postid).on( 'keypress', function(e) { var nonce = $( '#imgedit-nonce-' + postid ).val(); if ( e.which === 26 && e.ctrlKey ) { imageEdit.undo( postid, nonce ); } if ( e.which === 25 && e.ctrlKey ) { imageEdit.redo( postid, nonce ); } }); $('#imgedit-panel-' + postid).on( 'keypress', 'input[type="text"]', function(e) { var k = e.keyCode; // Key codes 37 through 40 are the arrow keys. if ( 36 < k && k < 41 ) { $(this).trigger( 'blur' ); } // The key code 13 is the Enter key. if ( 13 === k ) { e.preventDefault(); e.stopPropagation(); return false; } }); $( document ).on( 'image-editor-ui-ready', 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( $( '#imgedit-x-' + postid ).val() ), y = t.intval( $( '#imgedit-y-' + 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( $( '#imgedit-sizer-' + 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 = $('#imgedit-wait-' + postid); if ( toggle ) { wait.fadeIn( 'fast' ); } else { wait.fadeOut( 'fast', function() { if ( triggerUIReady ) { $( document ).trigger( 'image-editor-ui-ready' ); } } ); } }, /* * 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( 'aria-controls' ); var $target = $( '#' + $targetEl ); $el .attr( 'aria-expanded', 'false' === $el.attr( 'aria-expanded' ) ? 'true' : 'false' ); // Open menu and set z-index to appear above image crop area if it is enabled. $target .toggleClass( 'imgedit-popup-menu-open' ).slideToggle( 'fast' ).css( { 'z-index' : 200000 } ); // Move focus to first item in menu when opening menu. if ( 'true' === $el.attr( 'aria-expanded' ) ) { $target.find( 'button' ).first().trigger( 'focus' ); } 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( '.imgedit-rotate-menu-container' ); var $toggle = document.querySelector( '.imgedit-rotate-menu-container .imgedit-rotate' ); 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 && ! $contains ) { if ( 'true' === $toggle.getAttribute( 'aria-expanded' ) ) { 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( '.imgedit-popup-menu' ).find( 'button' ); var $index = $collection.index( $el ); var $prev = $index - 1; var $next = $index + 1; var $last = $collection.length; if ( $prev < 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( '.imgedit-popup-menu' ); var $controlledID = $parent.attr( 'id' ); var $target = $( 'button[aria-controls="' + $controlledID + '"]' ); $target .attr( 'aria-expanded', 'false' ).trigger( 'focus' ); $parent .toggleClass( 'imgedit-popup-menu-open' ).slideToggle( 'fast' ); 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( 'aria-expanded', 'false' === $el.attr( 'aria-expanded' ) ? 'true' : 'false' ) .parents( '.imgedit-group-top' ).toggleClass( 'imgedit-help-toggled' ).find( '.imgedit-help' ).slideToggle( 'fast' ); 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 = $( '#' + $el.attr( 'aria-controls' ) ); $el .attr( 'aria-expanded', 'false' === $el.attr( 'aria-expanded' ) ? 'true' : 'false' ); $target .parent( '.imgedit-group' ).toggleClass( 'imgedit-panel-active' ); 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, * 'full' when not selected, or 'all' if it doesn't exist. / getTarget : function( postid ) { var element = $( '#imgedit-save-target-' + postid ); if ( element.length ) { return element.find( 'input[name="imgedit-target-' + postid + '"]:checked' ).val() \|\| 'full'; } return 'all'; }, /* * 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 = $('#imgedit-scale-width-' + postid), h = $('#imgedit-scale-height-' + postid), warn = $('#imgedit-scale-warn-' + postid), w1 = '', h1 = '', scaleBtn = $('#imgedit-scale-button'); if ( false === this.validateNumeric( el ) ) { return; } if ( x ) { h1 = ( w.val() !== '' ) ? Math.round( w.val() / this.hold.xy_ratio ) : ''; h.val( h1 ); } else { w1 = ( h.val() !== '' ) ? Math.round( h.val() this.hold.xy_ratio ) : ''; w.val( w1 ); } if ( ( h1 && h1 > this.hold.oh ) \|\| ( w1 && w1 > this.hold.ow ) ) { warn.css('visibility', 'visible'); scaleBtn.prop('disabled', true); } else { warn.css('visibility', 'hidden'); scaleBtn.prop('disabled', 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( $('#imgedit-crop-width-' + postid).val() ), Y = this.intval( $('#imgedit-crop-height-' + postid).val() ); if ( X && Y ) { return X + ':' + Y; } if ( x && y ) { return x + ':' + y; } return '1:1'; }, /* * 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 = $('#imgedit-history-' + postid).val(), pop, n, o, i, op = []; if ( history !== '' ) { // Read the JSON string with the image edit history. history = JSON.parse(history); pop = this.intval( $('#imgedit-undone-' + postid).val() ); if ( pop > 0 ) { while ( pop > 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 ''; } // Restore original 'o'. o = history[history.length - 1]; // c = 'crop', r = 'rotate', f = 'flip'. 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('c') ) { op[n] = { 'c': { 'x': i.c.x, 'y': i.c.y, 'w': i.c.w, 'h': i.c.h, 'r': i.c.r } }; } else if ( i.hasOwnProperty('r') ) { op[n] = { 'r': i.r.r }; } else if ( i.hasOwnProperty('f') ) { op[n] = { 'f': i.f.f }; } } return JSON.stringify(op); } return ''; }, /* * 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 = { 'action': 'imgedit-preview', '_ajax_nonce': nonce, 'postid': postid, 'history': t.filterHistory(postid, 1), 'rand': t.intval(Math.random() 1000000) }; img = $( '<img id="image-preview-' + postid + '" alt="" />' ) .on( 'load', { history: data.history }, function( event ) { var max1, max2, parent = $( '#imgedit-crop-' + postid ), t = imageEdit, historyObj; // Checks if there already is some image-edit history. if ( '' !== 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( 'c' ) ) { /* * A crop action has completed and the crop button gets disabled * ensure the undo button is enabled. / t.setDisabled( $( '#image-undo-' + postid) , true ); // Move focus to the undo button to avoid a focus loss. $( '#image-undo-' + postid ).trigger( 'focus' ); } } 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 > max2 ? max2 / max1 : 1; t.initCrop(postid, img, parent); if ( (typeof callback !== 'undefined') && callback !== null ) { callback(); } if ( $('#imgedit-history-' + postid).val() && $('#imgedit-undone-' + postid).val() === '0' ) { $('button.imgedit-submit-btn', '#imgedit-panel-' + postid).prop('disabled', false); } else { $('button.imgedit-submit-btn', '#imgedit-panel-' + postid).prop('disabled', true); } var successMessage = __( 'Image updated.' ); t.toggleEditor(postid, 0); wp.a11y.speak( successMessage, 'assertive' ); }) .on( 'error', function() { var errorMessage = __( 'Could not load the preview image. Please reload the page and try again.' ); $( '#imgedit-crop-' + postid ) .empty() .append( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + errorMessage + '</p></div>' ); t.toggleEditor( postid, 0, true ); wp.a11y.speak( errorMessage, 'assertive' ); } ) .attr('src', ajaxurl + '?' + $.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: "scale" and "restore". * * @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 = { 'action': 'image-editor', '_ajax_nonce': nonce, 'postid': postid }; if ( 'scale' === action ) { w = $('#imgedit-scale-width-' + postid), h = $('#imgedit-scale-height-' + postid), fw = t.intval(w.val()), fh = t.intval(h.val()); if ( fw < 1 ) { w.trigger( 'focus' ); return false; } else if ( fh < 1 ) { h.trigger( 'focus' ); return false; } if ( fw === t.hold.ow \|\| fh === t.hold.oh ) { return false; } data['do'] = 'scale'; data.fwidth = fw; data.fheight = fh; } else if ( 'restore' === action ) { data['do'] = 'restore'; } else { return false; } t.toggleEditor(postid, 1); $.post( ajaxurl, data, function( response ) { $( '#image-editor-' + 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 && response.data.message.msg ) { wp.a11y.speak( response.data.message.msg ); return; } if ( response && 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 ( '' === history ) { return false; } this.toggleEditor(postid, 1); data = { 'action': 'image-editor', '_ajax_nonce': nonce, 'postid': postid, 'history': history, 'target': target, 'context': $('#image-edit-context').length ? $('#image-edit-context').val() : null, 'do': 'save' }; // 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 ) { $( '#imgedit-response-' + postid ) .html( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + response.data.error + '</p></div>' ); imageEdit.close(postid); wp.a11y.speak( response.data.error ); return; } if ( response.data.fw && response.data.fh ) { $( '#media-dims-' + postid ).html( response.data.fw + ' × ' + response.data.fh ); } if ( response.data.thumbnail ) { $( '.thumbnail', '#thumbnail-head-' + postid ).attr( 'src', '' + response.data.thumbnail ); } if ( response.data.msg ) { $( '#imgedit-response-' + postid ) .html( '<div class="notice notice-success" tabindex="-1" role="alert"><p>' + response.data.msg + '</p></div>' ); 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 = $( '#image-editor-' + postid ), head = $( '#media-head-' + postid ), btn = $( '#imgedit-open-btn-' + postid ), spin = btn.siblings( '.spinner' ); / * Instead of disabling the button, which causes a focus loss and makes screen * readers announce "unavailable", return if the button was already clicked. / if ( btn.hasClass( 'button-activated' ) ) { return; } spin.addClass( 'is-active' ); data = { 'action': 'image-editor', '_ajax_nonce': nonce, 'postid': postid, 'do': 'open' }; dfd = $.ajax( { url: ajaxurl, type: 'post', data: data, beforeSend: function() { btn.addClass( 'button-activated' ); } } ).done( function( response ) { var errorMessage; if ( '-1' === response ) { errorMessage = __( 'Could not load the preview image.' ); elem.html( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + errorMessage + '</p></div>' ); } if ( response.data && response.data.html ) { elem.html( response.data.html ); } head.fadeOut( 'fast', function() { elem.fadeIn( 'fast', function() { if ( errorMessage ) { $( document ).trigger( 'image-editor-ui-ready' ); } } ); btn.removeClass( 'button-activated' ); spin.removeClass( 'is-active' ); } ); // 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 = $('#image-preview-' + postid), parent = $('#imgedit-crop-' + postid); // Ensure init has run even when directly loaded. if ( 'undefined' === typeof this.hold.sizer ) { this.init( postid ); } this.calculateImgSize( postid ); this.initCrop(postid, img, parent); this.setCropSelection( postid, { 'x1': 0, 'y1': 0, 'x2': 0, 'y2': 0, 'width': img.innerWidth(), 'height': 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 = $( '.notice[role="alert"]' ); if ( ! elementToSetFocusTo.length ) { elementToSetFocusTo = $( '.imgedit-wrap' ).find( ':tabbable:first' ); } elementToSetFocusTo.attr( 'tabindex', '-1' ).trigger( 'focus' ); }, 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 = $('#imgedit-sel-width-' + postid), selH = $('#imgedit-sel-height-' + postid), $image = $( image ), $img; // Already initialized? if ( $image.data( 'imgAreaSelect' ) ) { 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're in a position:fixed modal). $img = $( img ); $img.next().css( 'position', 'absolute' ) .nextAll( '.imgareaselect-outer' ).css( 'position', 'absolute' ); /* * Binds mouse down event to the cropping container. * * @return {void} / parent.children().on( 'mousedown touchstart', function(e) { var ratio = false, sel = t.iasapi.getSelection(), cx = t.intval( $( '#imgedit-crop-width-' + postid ).val() ), cy = t.intval( $( '#imgedit-crop-height-' + postid ).val() ); if ( cx && cy ) { ratio = t.getSelRatio( postid ); } else if ( e.shiftKey && sel && sel.width && sel.height ) { ratio = sel.width + ':' + sel.height; } t.iasapi.setOptions({ aspectRatio: ratio }); }); }, /* * Event triggered when starting a selection. * * @ignore * * @return {void} / onSelectStart: function() { imageEdit.setDisabled($('#imgedit-crop-sel-' + postid), 1); imageEdit.setDisabled($('.imgedit-crop-clear'), 1); imageEdit.setDisabled($('.imgedit-crop-apply'), 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 ( ! $('#imgedit-crop > ').is(':visible') ) { imageEdit.toggleControls($('.imgedit-crop.button')); } }, /** * 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 && oldSel.width == c.width && 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 = $( '#imgedit-sel-width-' + postid ), selH = $( '#imgedit-sel-height-' + postid ), sizer = this.hold.sizer, hold = this.hold; c = c \|\| 0; if ( !c \|\| ( c.width < 3 && c.height < 3 ) ) { this.setDisabled( $( '.imgedit-crop', '#imgedit-panel-' + postid ), 1 ); this.setDisabled( $( '#imgedit-crop-sel-' + postid ), 1 ); $('#imgedit-sel-width-' + postid).val(''); $('#imgedit-sel-height-' + postid).val(''); $('#imgedit-start-x-' + postid).val('0'); $('#imgedit-start-y-' + postid).val('0'); $('#imgedit-selection-' + postid).val(''); return false; } // adjust the selection within the bounds of the image on 100% scale var excessW = hold.w - ( Math.round( c.x1 / sizer ) + parseInt( selW.val() ) ); var excessH = hold.h - ( Math.round( c.y1 / sizer ) + parseInt( selH.val() ) ); var x = Math.round( c.x1 / sizer ) + Math.min( 0, excessW ); var y = Math.round( c.y1 / sizer ) + Math.min( 0, excessH ); // use 100% scaling to prevent rounding errors sel = { 'r': 1, 'x': x, 'y': y, 'w': selW.val(), 'h': selH.val() }; this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 1); $('#imgedit-selection-' + 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 && this.notsaved(postid) ) { return false; } this.iasapi = {}; this.hold = {}; // If we'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 { $('#image-editor-' + postid).fadeOut('fast', function() { $( '#media-head-' + postid ).fadeIn( 'fast', function() { // Move focus back to the Edit Image button. Runs also when saving. $( '#imgedit-open-btn-' + postid ).trigger( 'focus' ); }); $(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 = $('#imgedit-history-' + postid).val(), history = ( h !== '' ) ? JSON.parse(h) : [], pop = this.intval( $('#imgedit-undone-' + postid).val() ); if ( pop < history.length ) { if ( confirm( $('#imgedit-leaving-' + 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 = $('#imgedit-history-' + postid), history = ( elem.val() !== '' ) ? JSON.parse( elem.val() ) : [], undone = $( '#imgedit-undone-' + postid ), pop = t.intval( undone.val() ); while ( pop > 0 ) { history.pop(); pop--; } undone.val(0); // Reset. history.push(op); elem.val( JSON.stringify(history) ); t.refreshEditor(postid, nonce, function() { t.setDisabled($('#image-undo-' + postid), true); t.setDisabled($('#image-redo-' + 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('disabled') ) { return false; } this.closePopup(t); this.addStep({ 'r': { 'r': angle, 'fw': this.hold.h, 'fh': this.hold.w }}, postid, nonce); // Clear the selection fields after rotating. $( '#imgedit-sel-width-' + postid ).val( '' ); $( '#imgedit-sel-height-' + postid ).val( '' ); 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('disabled') ) { return false; } this.closePopup(t); this.addStep({ 'f': { 'f': axis, 'fw': this.hold.w, 'fh': this.hold.h }}, postid, nonce); // Clear the selection fields after flipping. $( '#imgedit-sel-width-' + postid ).val( '' ); $( '#imgedit-sel-height-' + postid ).val( '' ); 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 = $('#imgedit-selection-' + postid).val(), w = this.intval( $('#imgedit-sel-width-' + postid).val() ), h = this.intval( $('#imgedit-sel-height-' + postid).val() ); if ( $(t).hasClass('disabled') \|\| sel === '' ) { return false; } sel = JSON.parse(sel); if ( sel.w > 0 && sel.h > 0 && w > 0 && h > 0 ) { sel.fw = w; sel.fh = h; this.addStep({ 'c': sel }, postid, nonce); } // Clear the selection fields after cropping. $( '#imgedit-sel-width-' + postid ).val( '' ); $( '#imgedit-sel-height-' + postid ).val( '' ); $( '#imgedit-start-x-' + postid ).val( '0' ); $( '#imgedit-start-y-' + postid ).val( '0' ); 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 = $('#image-undo-' + postid), elem = $('#imgedit-undone-' + postid), pop = t.intval( elem.val() ) + 1; if ( button.hasClass('disabled') ) { return; } elem.val(pop); t.refreshEditor(postid, nonce, function() { var elem = $('#imgedit-history-' + postid), history = ( elem.val() !== '' ) ? JSON.parse( elem.val() ) : []; t.setDisabled($('#image-redo-' + postid), true); t.setDisabled(button, pop < history.length); // When undo gets disabled, move focus to the redo button to avoid a focus loss. if ( history.length === pop ) { $( '#image-redo-' + postid ).trigger( 'focus' ); } }); }, /* * 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 = $('#image-redo-' + postid), elem = $('#imgedit-undone-' + postid), pop = t.intval( elem.val() ) - 1; if ( button.hasClass('disabled') ) { return; } elem.val(pop); t.refreshEditor(postid, nonce, function() { t.setDisabled($('#image-undo-' + postid), true); t.setDisabled(button, pop > 0); // When redo gets disabled, move focus to the undo button to avoid a focus loss. if ( 0 === pop ) { $( '#image-undo-' + postid ).trigger( 'focus' ); } }); }, /* * 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 = $('#imgedit-sel-width-' + postid), elY = $('#imgedit-sel-height-' + postid), elX1 = $('#imgedit-start-x-' + postid), elY1 = $('#imgedit-start-y-' + postid), xS = this.intval( elX1.val() ), yS = this.intval( elY1.val() ), x = this.intval( elX.val() ), y = this.intval( elY.val() ), img = $('#image-preview-' + 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 < 1 ) { elX.val(''); return false; } if ( y < 1 ) { elY.val(''); return false; } if ( ( ( x && y ) \|\| ( xS && yS ) ) && ( 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 > imgw ) { x1 = 0; x2 = imgw; elX.val( Math.min( this.hold.w, Math.round( x2 / sizer ) ) ); } if ( y2 > 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 > 0.6 ) { return num; } s = num.toString().slice(-1); if ( '1' === s ) { return num - 1; } else if ( '9' === 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( $('#imgedit-crop-width-' + postid).val() ), y = this.intval( $('#imgedit-crop-height-' + postid).val() ), h = $('#image-preview-' + postid).height(); if ( false === this.validateNumeric( el ) ) { this.iasapi.setOptions({ aspectRatio: null }); return; } if ( x && y ) { this.iasapi.setOptions({ aspectRatio: x + ':' + y }); if ( sel = this.iasapi.getSelection(true) ) { r = Math.ceil( sel.y1 + ( ( sel.x2 - sel.x1 ) / ( x / y ) ) ); if ( r > h ) { r = h; var errorMessage = __( 'Selected crop ratio exceeds the boundaries of the image. Try a different ratio.' ); $( '#imgedit-crop-' + postid ) .prepend( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + errorMessage + '</p></div>' ); wp.a11y.speak( errorMessage, 'assertive' ); if ( n ) { $('#imgedit-crop-height-' + postid).val( '' ); } else { $('#imgedit-crop-width-' + postid).val( ''); } } else { var error = $( '#imgedit-crop-' + postid ).find( '.notice-error' ); if ( 'undefined' !== 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( '' ); return false; } } }; })(jQuery);

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