summaryrefslogtreecommitdiff
path: root/www/crm/wp-admin/js/image-edit.js
diff options
context:
space:
mode:
Diffstat (limited to 'www/crm/wp-admin/js/image-edit.js')
-rw-r--r--www/crm/wp-admin/js/image-edit.js1126
1 files changed, 1126 insertions, 0 deletions
diff --git a/www/crm/wp-admin/js/image-edit.js b/www/crm/wp-admin/js/image-edit.js
new file mode 100644
index 00000000..100f26e7
--- /dev/null
+++ b/www/crm/wp-admin/js/image-edit.js
@@ -0,0 +1,1126 @@
+/**
+ * The functions necessary for editing images.
+ *
+ * @since 2.9.0
+ * @output wp-admin/js/image-edit.js
+ */
+
+ /* global imageEditL10n, ajaxurl, confirm */
+
+(function($) {
+
+ /**
+ * Contains all the methods to initialise and control the image editor.
+ *
+ * @namespace imageEdit
+ */
+ var imageEdit = window.imageEdit = {
+ iasapi : {},
+ hold : {},
+ postid : '',
+ _view : false,
+
+ /**
+ * Handle crop tool clicks.
+ */
+ handleCropToolClick: function( postid, nonce, cropButton ) {
+ var img = $( '#image-preview-' + postid ),
+ selection = this.iasapi.getSelection();
+
+ // Ensure selection is available, otherwise reset to full image.
+ if ( isNaN( selection.x1 ) ) {
+ this.setCropSelection( postid, { 'x1': 0, 'y1': 0, 'x2': img.innerWidth(), 'y2': img.innerHeight(), 'width': img.innerWidth(), 'height': img.innerHeight() } );
+ 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 {
+
+ // Otherwise, perform the crop.
+ imageEdit.crop( postid, nonce , cropButton );
+ }
+ },
+
+ /**
+ * Converts a value to an integer.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @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.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {jQuery} el The element that should be modified.
+ * @param {bool|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.
+ *
+ * @returns {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.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ *
+ * @returns {void}
+ */
+ init : function(postid) {
+ var t = this, old = $('#image-editor-' + t.postid),
+ x = t.intval( $('#imgedit-x-' + postid).val() ),
+ y = t.intval( $('#imgedit-y-' + postid).val() );
+
+ if ( t.postid !== postid && old.length ) {
+ t.close(t.postid);
+ }
+
+ 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.postid = postid;
+ $('#imgedit-response-' + postid).empty();
+
+ $('input[type="text"]', '#imgedit-panel-' + postid).keypress(function(e) {
+ var k = e.keyCode;
+
+ // Key codes 37 thru 40 are the arrow keys.
+ if ( 36 < k && k < 41 ) {
+ $(this).blur();
+ }
+
+ // The key code 13 is the enter key.
+ if ( 13 === k ) {
+ e.preventDefault();
+ e.stopPropagation();
+ return false;
+ }
+ });
+ },
+
+ /**
+ * Toggles the wait/load icon in the editor.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ * @param {number} toggle Is 0 or 1, fades the icon in then 1 and out when 0.
+ *
+ * @returns {void}
+ */
+ toggleEditor : function(postid, toggle) {
+ var wait = $('#imgedit-wait-' + postid);
+
+ if ( toggle ) {
+ wait.fadeIn( 'fast' );
+ } else {
+ wait.fadeOut('fast');
+ }
+ },
+
+ /**
+ * Shows or hides the image edit help box.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {HTMLElement} el The element to create the help window in.
+ *
+ * @returns {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;
+ },
+
+ /**
+ * 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.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ *
+ * @returns {string} The value from the imagedit-save-target input field when available,
+ * or 'full' when not available.
+ */
+ getTarget : function(postid) {
+ return $('input[name="imgedit-target-' + postid + '"]:checked', '#imgedit-save-target-' + postid).val() || 'full';
+ },
+
+ /**
+ * Recalculates the height or width and keeps the original aspect ratio.
+ *
+ * If the original image size is exceeded a red exclamation mark is shown.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @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.
+ *
+ * @returns {void}
+ */
+ scaleChanged : function( postid, x, el ) {
+ var w = $('#imgedit-scale-width-' + postid), h = $('#imgedit-scale-height-' + postid),
+ warn = $('#imgedit-scale-warn-' + postid), w1 = '', h1 = '';
+
+ 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');
+ } else {
+ warn.css('visibility', 'hidden');
+ }
+ },
+
+ /**
+ * Gets the selected aspect ratio.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ *
+ * @returns {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.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ * @param {number} setSize 0 or 1, when 1 the image resets to its original size.
+ *
+ * @returns {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 it's 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 } };
+ } 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.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @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.
+ *
+ * @returns {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 ).focus();
+ }
+ }
+
+ parent.empty().append(img);
+
+ // w, h are the new full size dims
+ 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' ) {
+ $('input.imgedit-submit-btn', '#imgedit-panel-' + postid).removeAttr('disabled');
+ } else {
+ $('input.imgedit-submit-btn', '#imgedit-panel-' + postid).prop('disabled', true);
+ }
+
+ t.toggleEditor(postid, 0);
+ })
+ .on('error', function() {
+ $('#imgedit-crop-' + postid).empty().append('<div class="error"><p>' + imageEditL10n.error + '</p></div>');
+ t.toggleEditor(postid, 0);
+ })
+ .attr('src', ajaxurl + '?' + $.param(data));
+ },
+ /**
+ * Performs an image edit action.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @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".
+ *
+ * @returns {boolean|void} Executes a post request that refreshes the page
+ * when the action is performed.
+ * Returns false if a 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.focus();
+ return false;
+ } else if ( fh < 1 ) {
+ h.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(r) {
+ $('#image-editor-' + postid).empty().append(r);
+ t.toggleEditor(postid, 0);
+ // refresh the attachment model so that changes propagate
+ if ( t._view ) {
+ t._view.refresh();
+ }
+ });
+ },
+
+ /**
+ * Stores the changes that are made to the image.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id to get the image from the database.
+ * @param {string} nonce The nonce to verify the request.
+ *
+ * @returns {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(r) {
+ // Read the response.
+ var ret = JSON.parse(r);
+
+ // If a response is returned, close the editor and show an error.
+ if ( ret.error ) {
+ $('#imgedit-response-' + postid).html('<div class="error"><p>' + ret.error + '</p></div>');
+ imageEdit.close(postid);
+ return;
+ }
+
+ if ( ret.fw && ret.fh ) {
+ $('#media-dims-' + postid).html( ret.fw + ' &times; ' + ret.fh );
+ }
+
+ if ( ret.thumbnail ) {
+ $('.thumbnail', '#thumbnail-head-' + postid).attr('src', ''+ret.thumbnail);
+ }
+
+ if ( ret.msg ) {
+ $('#imgedit-response-' + postid).html('<div class="updated"><p>' + ret.msg + '</p></div>');
+ }
+
+ if ( self._view ) {
+ self._view.save();
+ } else {
+ imageEdit.close(postid);
+ }
+ });
+ },
+
+ /**
+ * Creates the image edit window.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @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.
+ *
+ * @returns {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( html ) {
+ elem.html( html );
+ head.fadeOut('fast', function(){
+ elem.fadeIn('fast');
+ btn.removeClass( 'button-activated' );
+ spin.removeClass( 'is-active' );
+ });
+ // Initialise the Image Editor now that everything is ready.
+ imageEdit.init( postid );
+ });
+
+ return dfd;
+ },
+
+ /**
+ * Initializes the cropping tool and sets a default cropping selection.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ *
+ * @returns {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.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);
+ // Editor is ready, move focus to the first focusable element.
+ $( '.imgedit-wrap .imgedit-help-toggle' ).eq( 0 ).focus();
+ },
+
+ /**
+ * Initializes the cropping tool.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ * @param {HTMLElement} image The preview image.
+ * @param {HTMLElement} parent The preview image container.
+ *
+ * @returns {void}
+ */
+ initCrop : function(postid, image, parent) {
+ var t = this,
+ selW = $('#imgedit-sel-width-' + postid),
+ selH = $('#imgedit-sel-height-' + postid),
+ $img;
+
+ 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 );
+ $img.next().css( 'position', 'absolute' )
+ .nextAll( '.imgareaselect-outer' ).css( 'position', 'absolute' );
+ /**
+ * Binds mouse down event to the cropping container.
+ *
+ * @returns {void}
+ */
+ parent.children().on( 'mousedown, touchstart', function(e){
+ var ratio = false, sel, defRatio;
+
+ if ( e.shiftKey ) {
+ sel = t.iasapi.getSelection();
+ defRatio = t.getSelRatio(postid);
+ ratio = ( sel && sel.width && sel.height ) ? sel.width + ':' + sel.height : defRatio;
+ }
+
+ t.iasapi.setOptions({
+ aspectRatio: ratio
+ });
+ });
+ },
+
+ /**
+ * Event triggered when starting a selection.
+ *
+ * @ignore
+ *
+ * @returns {void}
+ */
+ onSelectStart: function() {
+ imageEdit.setDisabled($('#imgedit-crop-sel-' + postid), 1);
+ },
+ /**
+ * Event triggered when the selection is ended.
+ *
+ * @ignore
+ *
+ * @param {object} img jQuery object representing the image.
+ * @param {object} c The selection.
+ *
+ * @returns {object}
+ */
+ onSelectEnd: function(img, c) {
+ imageEdit.setCropSelection(postid, c);
+ },
+
+ /**
+ * Event triggered when the selection changes.
+ *
+ * @ignore
+ *
+ * @param {object} img jQuery object representing the image.
+ * @param {object} c The selection.
+ *
+ * @returns {void}
+ */
+ onSelectChange: function(img, c) {
+ var sizer = imageEdit.hold.sizer;
+ selW.val( imageEdit.round(c.width / sizer) );
+ selH.val( imageEdit.round(c.height / sizer) );
+ }
+ });
+ },
+
+ /**
+ * Stores the current crop selection.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ * @param {object} c The selection.
+ *
+ * @returns {boolean}
+ */
+ setCropSelection : function(postid, c) {
+ var sel;
+
+ 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('');
+ $('#imgedit-selection-' + postid).val('');
+ return false;
+ }
+
+ sel = { 'x': c.x1, 'y': c.y1, 'w': c.width, 'h': c.height };
+ this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 1);
+ $('#imgedit-selection-' + postid).val( JSON.stringify(sel) );
+ },
+
+
+ /**
+ * Closes the image editor.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ * @param {bool} warn Warning message.
+ *
+ * @returns {void|bool} 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-skool 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 ).focus();
+ });
+ $(this).empty();
+ });
+ }
+
+
+ },
+
+ /**
+ * Checks if the image edit history is saved.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ *
+ * @returns {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).html() ) ) {
+ return false;
+ }
+ return true;
+ }
+ return false;
+ },
+
+ /**
+ * Adds an image edit action to the history.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {object} op The original position.
+ * @param {number} postid The post id.
+ * @param {string} nonce The nonce.
+ *
+ * @returns {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.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @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.
+ *
+ * @returns {boolean}
+ */
+ rotate : function(angle, postid, nonce, t) {
+ if ( $(t).hasClass('disabled') ) {
+ return false;
+ }
+
+ this.addStep({ 'r': { 'r': angle, 'fw': this.hold.h, 'fh': this.hold.w }}, postid, nonce);
+ },
+
+ /**
+ * Flips the image.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @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.
+ *
+ * @returns {boolean}
+ */
+ flip : function (axis, postid, nonce, t) {
+ if ( $(t).hasClass('disabled') ) {
+ return false;
+ }
+
+ this.addStep({ 'f': { 'f': axis, 'fw': this.hold.w, 'fh': this.hold.h }}, postid, nonce);
+ },
+
+ /**
+ * Crops the image.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ * @param {string} nonce The nonce.
+ * @param {object} t The target object.
+ *
+ * @returns {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);
+ }
+ },
+
+ /**
+ * Undoes an image edit action.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ * @param {string} nonce The nonce.
+ *
+ * @returns {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 ).focus();
+ }
+ });
+ },
+
+ /**
+ * Reverts a undo action.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ * @param {string} nonce The nonce.
+ *
+ * @returns {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 ).focus();
+ }
+ });
+ },
+
+ /**
+ * Sets the selection for the height and width in pixels.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ * @param {jQuery} el The element containing the values.
+ *
+ * @returns {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),
+ 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;
+
+ if ( false === this.validateNumeric( el ) ) {
+ return;
+ }
+
+ if ( x < 1 ) {
+ elX.val('');
+ return false;
+ }
+
+ if ( y < 1 ) {
+ elY.val('');
+ return false;
+ }
+
+ if ( x && y && ( sel = ias.getSelection() ) ) {
+ x2 = sel.x1 + Math.round( x * sizer );
+ y2 = sel.y1 + Math.round( y * sizer );
+ x1 = sel.x1;
+ y1 = sel.y1;
+
+ if ( x2 > imgw ) {
+ x1 = 0;
+ x2 = imgw;
+ elX.val( Math.round( x2 / sizer ) );
+ }
+
+ if ( y2 > imgh ) {
+ y1 = 0;
+ y2 = imgh;
+ elY.val( Math.round( y2 / sizer ) );
+ }
+
+ ias.setSelection( x1, y1, x2, y2 );
+ ias.update();
+ this.setCropSelection(postid, ias.getSelection());
+ }
+ },
+
+ /**
+ * Rounds a number to a whole.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} num The number.
+ *
+ * @returns {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.
+ *
+ * @memberof imageEdit
+ * @since 2.9.0
+ *
+ * @param {number} postid The post id.
+ * @param {number} n The ratio to set.
+ * @param {jQuery} el The element containing the values.
+ *
+ * @returns {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 ) ) {
+ 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;
+ if ( n ) {
+ $('#imgedit-crop-height-' + postid).val('');
+ } else {
+ $('#imgedit-crop-width-' + postid).val('');
+ }
+ }
+
+ this.iasapi.setSelection( sel.x1, sel.y1, sel.x2, r );
+ this.iasapi.update();
+ }
+ }
+ },
+
+ /**
+ * Validates if a value in a jQuery.HTMLElement is numeric.
+ *
+ * @memberof imageEdit
+ * @since 4.6
+ *
+ * @param {jQuery} el The html element.
+ *
+ * @returns {void|boolean} Returns false if the value is not numeric,
+ * void when it is.
+ */
+ validateNumeric: function( el ) {
+ if ( ! this.intval( $( el ).val() ) ) {
+ $( el ).val( '' );
+ return false;
+ }
+ }
+};
+})(jQuery);
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-25 20:31:23 +0000