# Yahoo! UI Library

### editor 3.3.0

Yahoo! UI Library > editor > editor-base.js (source view)
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        /**
         * Base class for Editor. Handles the business logic of Editor, no GUI involved only utility methods and events.
         * @module editor
         * @submodule editor-base
         */
        /**
         * Base class for Editor. Handles the business logic of Editor, no GUI involved only utility methods and events.
         * @class EditorBase
         * @for EditorBase
         * @extends Base
         * @constructor
         */

        var EditorBase = function() {
            EditorBase.superclass.constructor.apply(this, arguments);
        }, LAST_CHILD = ':last-child', BODY = 'body';

        Y.extend(EditorBase, Y.Base, {
            /**
            * Internal reference to the Y.Frame instance
            * @property frame
            */
            frame: null,
            initializer: function() {
                var frame = new Y.Frame({
                    designMode: true,
                    title: EditorBase.STRINGS.title,
                    use: EditorBase.USE,
                    dir: this.get('dir'),
                    extracss: this.get('extracss'),
                    linkedcss: this.get('linkedcss'),
                    defaultblock: this.get('defaultblock'),
                    host: this
                }).plug(Y.Plugin.ExecCommand);

                frame.after('ready', Y.bind(this._afterFrameReady, this));
                frame.addTarget(this);

                this.frame = frame;

                this.publish('nodeChange', {
                    emitFacade: true,
                    bubbles: true,
                    defaultFn: this._defNodeChangeFn
                });

                //this.plug(Y.Plugin.EditorPara);
            },
            destructor: function() {
                this.frame.destroy();

                this.detachAll();
            },
            /**
            * Copy certain styles from one node instance to another (used for new paragraph creation mainly)
            * @method copyStyles
            * @param {Node} from The Node instance to copy the styles from
            * @param {Node} to The Node instance to copy the styles to
            */
            copyStyles: function(from, to) {
                if (from.test('a')) {
                    //Don't carry the A styles
                    return;
                }
                var styles = ['color', 'fontSize', 'fontFamily', 'backgroundColor', 'fontStyle' ],
                    newStyles = {};

                Y.each(styles, function(v) {
                    newStyles[v] = from.getStyle(v);
                });
                if (from.ancestor('b,strong')) {
                    newStyles.fontWeight = 'bold';
                }
                if (from.ancestor('u')) {
                    if (!newStyles.textDecoration) {
                        newStyles.textDecoration = 'underline';
                    }
                }
                to.setStyles(newStyles);
            },
            /**
            * Holder for the selection bookmark in IE.
            * @property _lastBookmark
            * @private
            */
            _lastBookmark: null,
            /**
            * Resolves the e.changedNode in the nodeChange event if it comes from the document. If
            * the event came from the document, it will get the last child of the last child of the document
            * and return that instead.
            * @method _resolveChangedNode
            * @param {Node} n The node to resolve
            * @private
            */
            _resolveChangedNode: function(n) {
                var inst = this.getInstance(), lc, lc2, found;
                if (inst && n && n.test('html')) {
                    lc = inst.one(BODY).one(LAST_CHILD);
                    while (!found) {
                        if (lc) {
                            lc2 = lc.one(LAST_CHILD);
                            if (lc2) {
                                lc = lc2;
                            } else {
                                found = true;
                            }
                        } else {
                            found = true;
                        }
                    }
                    if (lc) {
                        if (lc.test('br')) {
                            if (lc.previous()) {
                                lc = lc.previous();
                            } else {
                                lc = lc.get('parentNode');
                            }
                        }
                        if (lc) {
                            n = lc;
                        }
                    }

                }
                return n;
            },
            /**
            * The default handler for the nodeChange event.
            * @method _defNodeChangeFn
            * @param {Event} e The event
            * @private
            */
            _defNodeChangeFn: function(e) {
                var startTime = (new Date()).getTime();
                //Y.log('Default nodeChange function: ' + e.changedType, 'info', 'editor');
                var inst = this.getInstance(), sel, cur,
                    btag = inst.Selection.DEFAULT_BLOCK_TAG;

                if (Y.UA.ie) {
                    try {
                        sel = inst.config.doc.selection.createRange();
                        if (sel.getBookmark) {
                            this._lastBookmark = sel.getBookmark();
                        }
                    } catch (ie) {}
                }

                e.changedNode = this._resolveChangedNode(e.changedNode);

                /*
                * @TODO
                * This whole method needs to be fixed and made more dynamic.
                * Maybe static functions for the e.changeType and an object bag
                * to walk through and filter to pass off the event to before firing..
                */

                switch (e.changedType) {
                    case 'keydown':
                        if (!Y.UA.gecko) {
                            if (!EditorBase.NC_KEYS[e.changedEvent.keyCode] && !e.changedEvent.shiftKey && !e.changedEvent.ctrlKey && (e.changedEvent.keyCode !== 13)) {
                                //inst.later(100, inst, inst.Selection.cleanCursor);
                            }
                        }
                        break;
                    case 'tab':
                        if (!e.changedNode.test('li, li *') && !e.changedEvent.shiftKey) {
                            e.changedEvent.frameEvent.preventDefault();
                            Y.log('Overriding TAB key to insert HTML: HALTING', 'info', 'editor');
                            if (Y.UA.webkit) {
                                this.execCommand('inserttext', '\t');
                            } else if (Y.UA.gecko) {
                                this.frame.exec._command('inserthtml', '<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>');
                            } else if (Y.UA.ie) {
                                sel = new inst.Selection();
                                sel._selection.pasteHTML(EditorBase.TABKEY);
                            }
                        }
                        break;
                }
                if (Y.UA.webkit && e.commands && (e.commands.indent || e.commands.outdent)) {
                    /**
                    * When executing execCommand 'indent or 'outdent' Webkit applies
                    * a class to the BLOCKQUOTE that adds left/right margin to it
                    * This strips that style so it is just a normal BLOCKQUOTE
                    */
                    var bq = inst.all('.webkit-indent-blockquote');
                    if (bq.size()) {
                        bq.setStyle('margin', '');
                    }
                }

                var changed = this.getDomPath(e.changedNode, false),
                    cmds = {}, family, fsize, classes = [],
                    fColor = '', bColor = '';

                if (e.commands) {
                    cmds = e.commands;
                }

                Y.each(changed, function(el) {
                    var tag = el.tagName.toLowerCase(),
                        cmd = EditorBase.TAG2CMD[tag];

                    if (cmd) {
                        cmds[cmd] = 1;
                    }

                    //Bold and Italic styles
                    var s = el.currentStyle || el.style;
                    if ((''+s.fontWeight) == 'bold') { //Cast this to a string
                        cmds.bold = 1;
                    }
                    if (Y.UA.ie) {
                        if (s.fontWeight > 400) {
                            cmds.bold = 1;
                        }
                    }
                    if (s.fontStyle == 'italic') {
                        cmds.italic = 1;
                    }
                    if (s.textDecoration == 'underline') {
                        cmds.underline = 1;
                    }
                    if (s.textDecoration == 'line-through') {
                        cmds.strikethrough = 1;
                    }

                    var n = inst.one(el);
                    if (n.getStyle('fontFamily')) {
                        var family2 = n.getStyle('fontFamily').split(',')[0].toLowerCase();
                        if (family2) {
                            family = family2;
                        }
                        if (family) {
                            family = family.replace(/'/g, '').replace(/"/g, '');
                        }
                    }

                    fsize = EditorBase.NORMALIZE_FONTSIZE(n);

                    var cls = el.className.split(' ');

                    Y.each(cls, function(v) {
                        if (v !== '' && (v.substr(0, 4) !== 'yui_')) {
                            classes.push(v);
                        }
                    });

                    fColor = EditorBase.FILTER_RGB(n.getStyle('color'));
                    var bColor2 = EditorBase.FILTER_RGB(s.backgroundColor);
                    if (bColor2 !== 'transparent') {
                        if (bColor2 !== '') {
                            bColor = bColor2;
                        }
                    }

                });

                e.dompath = inst.all(changed);
                e.classNames = classes;
                e.commands = cmds;

                //TODO Dont' like this, not dynamic enough..
                if (!e.fontFamily) {
                    e.fontFamily = family;
                }
                if (!e.fontSize) {
                    e.fontSize = fsize;
                }
                if (!e.fontColor) {
                    e.fontColor = fColor;
                }
                if (!e.backgroundColor) {
                    e.backgroundColor = bColor;
                }

                var endTime = (new Date()).getTime();
                Y.log('_defNodeChangeTimer 2: ' + (endTime - startTime) + 'ms', 'info', 'selection');
            },
            /**
            * Walk the dom tree from this node up to body, returning a reversed array of parents.
            * @method getDomPath
            * @param {Node} node The Node to start from
            */
            getDomPath: function(node, nodeList) {
    			var domPath = [], domNode,
                    inst = this.frame.getInstance();

                domNode = inst.Node.getDOMNode(node);
                //return inst.all(domNode);

                while (domNode !== null) {

                    if ((domNode === inst.config.doc.documentElement) || (domNode === inst.config.doc) || !domNode.tagName) {
                        domNode = null;
                        break;
                    }

                    if (!inst.DOM.inDoc(domNode)) {
                        domNode = null;
                        break;
                    }

                    //Check to see if we get el.nodeName and nodeType
                    if (domNode.nodeName && domNode.nodeType && (domNode.nodeType == 1)) {
                        domPath.push(domNode);
                    }

                    if (domNode == inst.config.doc.body) {
                        domNode = null;
                        break;
                    }

                    domNode = domNode.parentNode;
                }

                /*{{{ Using Node
                while (node !== null) {
                    if (node.test('html') || node.test('doc') || !node.get('tagName')) {
                        node = null;
                        break;
                    }
                    if (!node.inDoc()) {
                        node = null;
                        break;
                    }
                    //Check to see if we get el.nodeName and nodeType
                    if (node.get('nodeName') && node.get('nodeType') && (node.get('nodeType') == 1)) {
                        domPath.push(inst.Node.getDOMNode(node));
                    }

                    if (node.test('body')) {
                        node = null;
                        break;
                    }

                    node = node.get('parentNode');
                }
                }}}*/

                if (domPath.length === 0) {
                    domPath[0] = inst.config.doc.body;
                }

                if (nodeList) {
                    return inst.all(domPath.reverse());
                } else {
                    return domPath.reverse();
                }

            },
            /**
            * After frame ready, bind mousedown & keyup listeners
            * @method _afterFrameReady
            * @private
            */
            _afterFrameReady: function() {
                var inst = this.frame.getInstance();

                this.frame.on('dom:mouseup', Y.bind(this._onFrameMouseUp, this));
                this.frame.on('dom:mousedown', Y.bind(this._onFrameMouseDown, this));
                this.frame.on('dom:keydown', Y.bind(this._onFrameKeyDown, this));

                if (Y.UA.ie) {
                    this.frame.on('dom:activate', Y.bind(this._onFrameActivate, this));
                    this.frame.on('dom:beforedeactivate', Y.bind(this._beforeFrameDeactivate, this));
                }
                this.frame.on('dom:keyup', Y.bind(this._onFrameKeyUp, this));
                this.frame.on('dom:keypress', Y.bind(this._onFrameKeyPress, this));

                inst.Selection.filter();
                this.fire('ready');
            },
            /**
            * Caches the current cursor position in IE.
            * @method _beforeFrameDeactivate
            * @private
            */
            _beforeFrameDeactivate: function() {
                var inst = this.getInstance(),
                    sel = inst.config.doc.selection.createRange();

                if ((!sel.compareEndPoints('StartToEnd', sel))) {
                    sel.pasteHTML('<var id="yui-ie-cursor">');
                }
            },
            /**
            * Moves the cached selection bookmark back so IE can place the cursor in the right place.
            * @method _onFrameActivate
            * @private
            */
            _onFrameActivate: function() {
                var inst = this.getInstance(),
                    sel = new inst.Selection(),
                    range = sel.createRange(),
                    cur = inst.all('#yui-ie-cursor');

                if (cur.size()) {
                    cur.each(function(n) {
                        n.set('id', '');
                        range.moveToElementText(n._node);
                        range.move('character', -1);
                        range.move('character', 1);
                        range.select();
                        range.text = '';
                        n.remove();
                    });
                }
            },
            /**
            * Fires nodeChange event
            * @method _onFrameMouseUp
            * @private
            */
            _onFrameMouseUp: function(e) {
                this.fire('nodeChange', { changedNode: e.frameTarget, changedType: 'mouseup', changedEvent: e.frameEvent  });
            },
            /**
            * Fires nodeChange event
            * @method _onFrameMouseDown
            * @private
            */
            _onFrameMouseDown: function(e) {
                this.fire('nodeChange', { changedNode: e.frameTarget, changedType: 'mousedown', changedEvent: e.frameEvent  });
            },
            /**
            * Caches a copy of the selection for key events. Only creating the selection on keydown
            * @property _currentSelection
            * @private
            */
            _currentSelection: null,
            /**
            * Holds the timer for selection clearing
            * @property _currentSelectionTimer
            * @private
            */
            _currentSelectionTimer: null,
            /**
            * Flag to determine if we can clear the selection or not.
            * @property _currentSelectionClear
            * @private
            */
            _currentSelectionClear: null,
            /**
            * Fires nodeChange event
            * @method _onFrameKeyDown
            * @private
            */
            _onFrameKeyDown: function(e) {
                var inst, sel;
                if (!this._currentSelection) {
                    if (this._currentSelectionTimer) {
                        this._currentSelectionTimer.cancel();
                    }
                    this._currentSelectionTimer = Y.later(850, this, function() {
                        this._currentSelectionClear = true;
                    });

                    inst = this.frame.getInstance();
                    sel = new inst.Selection(e);

                    this._currentSelection = sel;
                } else {
                    sel = this._currentSelection;
                }

                inst = this.frame.getInstance();
                sel = new inst.Selection();

                this._currentSelection = sel;

                if (sel && sel.anchorNode) {
                    this.fire('nodeChange', { changedNode: sel.anchorNode, changedType: 'keydown', changedEvent: e.frameEvent });
                    if (EditorBase.NC_KEYS[e.keyCode]) {
                        this.fire('nodeChange', { changedNode: sel.anchorNode, changedType: EditorBase.NC_KEYS[e.keyCode], changedEvent: e.frameEvent });
                        this.fire('nodeChange', { changedNode: sel.anchorNode, changedType: EditorBase.NC_KEYS[e.keyCode] + '-down', changedEvent: e.frameEvent });
                    }
                }
            },
            /**
            * Fires nodeChange event
            * @method _onFrameKeyPress
            * @private
            */
            _onFrameKeyPress: function(e) {
                var sel = this._currentSelection;

                if (sel && sel.anchorNode) {
                    this.fire('nodeChange', { changedNode: sel.anchorNode, changedType: 'keypress', changedEvent: e.frameEvent });
                    if (EditorBase.NC_KEYS[e.keyCode]) {
                        this.fire('nodeChange', { changedNode: sel.anchorNode, changedType: EditorBase.NC_KEYS[e.keyCode] + '-press', changedEvent: e.frameEvent });
                    }
                }
            },
            /**
            * Fires nodeChange event for keyup on specific keys
            * @method _onFrameKeyUp
            * @private
            */
            _onFrameKeyUp: function(e) {
                var sel = this._currentSelection;

                if (sel && sel.anchorNode) {
                    this.fire('nodeChange', { changedNode: sel.anchorNode, changedType: 'keyup', selection: sel, changedEvent: e.frameEvent  });
                    if (EditorBase.NC_KEYS[e.keyCode]) {
                        this.fire('nodeChange', { changedNode: sel.anchorNode, changedType: EditorBase.NC_KEYS[e.keyCode] + '-up', selection: sel, changedEvent: e.frameEvent  });
                    }
                }
                if (this._currentSelectionClear) {
                    this._currentSelectionClear = this._currentSelection = null;
                }
            },
            /**
            * Pass through to the frame.execCommand method
            * @method execCommand
            * @param {String} cmd The command to pass: inserthtml, insertimage, bold
            * @param {String} val The optional value of the command: Helvetica
            * @return {Node/NodeList} The Node or Nodelist affected by the command. Only returns on override commands, not browser defined commands.
            */
            execCommand: function(cmd, val) {
                var ret = this.frame.execCommand(cmd, val),
                    inst = this.frame.getInstance(),
                    sel = new inst.Selection(), cmds = {},
                    e = { changedNode: sel.anchorNode, changedType: 'execcommand', nodes: ret };

                switch (cmd) {
                    case 'forecolor':
                        e.fontColor = val;
                        break;
                    case 'backcolor':
                        e.backgroundColor = val;
                        break;
                    case 'fontsize':
                        e.fontSize = val;
                        break;
                    case 'fontname':
                        e.fontFamily = val;
                        break;
                }

                cmds[cmd] = 1;
                e.commands = cmds;

                this.fire('nodeChange', e);

                return ret;
            },
            /**
            * Get the YUI instance of the frame
            * @method getInstance
            * @return {YUI} The YUI instance bound to the frame.
            */
            getInstance: function() {
                return this.frame.getInstance();
            },
            /**
            * Renders the Y.Frame to the passed node.
            * @method render
            * @param {Selector/HTMLElement/Node} node The node to append the Editor to
            * @return {EditorBase}
            * @chainable
            */
            render: function(node) {
                this.frame.set('content', this.get('content'));
                this.frame.render(node);
                return this;
            },
            /**
            * Focus the contentWindow of the iframe
            * @method focus
            * @param {Function} fn Callback function to execute after focus happens
            * @return {EditorBase}
            * @chainable
            */
            focus: function(fn) {
                this.frame.focus(fn);
                return this;
            },
            /**
            * Handles the showing of the Editor instance. Currently only handles the iframe
            * @method show
            * @return {EditorBase}
            * @chainable
            */
            show: function() {
                this.frame.show();
                return this;
            },
            /**
            * Handles the hiding of the Editor instance. Currently only handles the iframe
            * @method hide
            * @return {EditorBase}
            * @chainable
            */
            hide: function() {
                this.frame.hide();
                return this;
            },
            /**
            * (Un)Filters the content of the Editor, cleaning YUI related code. //TODO better filtering
            * @method getContent
            * @return {String} The filtered content of the Editor
            */
            getContent: function() {
                var html = '', inst = this.getInstance();
                if (inst && inst.Selection) {
                    html = inst.Selection.unfilter();
                }
                //Removing the _yuid from the objects in IE
                html = html.replace(/ _yuid="([^>]*)"/g, '');
                return html;
            }
        }, {
            /**
            * @static
            * @method NORMALIZE_FONTSIZE
            * @description Pulls the fontSize from a node, then checks for string values (x-large, x-small)
            * and converts them to pixel sizes. If the parsed size is different from the original, it calls
            * node.setStyle to update the node with a pixel size for normalization.
            */
            NORMALIZE_FONTSIZE: function(n) {
                var size = n.getStyle('fontSize'), oSize = size;

                switch (size) {
                    case '-webkit-xxx-large':
                        size = '48px';
                        break;
                    case 'xx-large':
                        size = '32px';
                        break;
                    case 'x-large':
                        size = '24px';
                        break;
                    case 'large':
                        size = '18px';
                        break;
                    case 'medium':
                        size = '16px';
                        break;
                    case 'small':
                        size = '13px';
                        break;
                    case 'x-small':
                        size = '10px';
                        break;
                }
                if (oSize !== size) {
                    n.setStyle('fontSize', size);
                }
                return size;
            },
            /**
            * @static
            * @property TABKEY
            * @description The HTML markup to use for the tabkey
            */
            TABKEY: '<span class="tab">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>',
            /**
            * @static
            * @method FILTER_RGB
            * @param String css The CSS string containing rgb(#,#,#);
            * @description Converts an RGB color string to a hex color, example: rgb(0, 255, 0) converts to #00ff00
            * @return String
            */
            FILTER_RGB: function(css) {
                if (css.toLowerCase().indexOf('rgb') != -1) {
                    var exp = new RegExp("(.*?)rgb\\s*?\\(\\s*?([0-9]+).*?,\\s*?([0-9]+).*?,\\s*?([0-9]+).*?\\)(.*?)", "gi");
                    var rgb = css.replace(exp, "$1,$2,$3,$4,$5").split(',');

                    if (rgb.length == 5) {
                        var r = parseInt(rgb[1], 10).toString(16);
                        var g = parseInt(rgb[2], 10).toString(16);
                        var b = parseInt(rgb[3], 10).toString(16);

                        r = r.length == 1 ? '0' + r : r;
                        g = g.length == 1 ? '0' + g : g;
                        b = b.length == 1 ? '0' + b : b;

                        css = "#" + r + g + b;
                    }
                }
                return css;
            },
            /**
            * @static
            * @property TAG2CMD
            * @description A hash table of tags to their execcomand's
            */
            TAG2CMD: {
                'b': 'bold',
                'strong': 'bold',
                'i': 'italic',
                'em': 'italic',
                'u': 'underline',
                'sup': 'superscript',
                'sub': 'subscript',
                'img': 'insertimage',
                'a' : 'createlink',
                'ul' : 'insertunorderedlist',
                'ol' : 'insertorderedlist'
            },
            /**
            * Hash table of keys to fire a nodeChange event for.
            * @static
            * @property NC_KEYS
            * @type Object
            */
            NC_KEYS: {
                8: 'backspace',
                9: 'tab',
                13: 'enter',
                32: 'space',
                33: 'pageup',
                34: 'pagedown',
                35: 'end',
                36: 'home',
                37: 'left',
                38: 'up',
                39: 'right',
                40: 'down',
                46: 'delete'
            },
            /**
            * The default modules to use inside the Frame
            * @static
            * @property USE
            * @type Array
            */
            USE: ['substitute', 'node', 'selector-css3', 'selection', 'stylesheet'],
            /**
            * The Class Name: editorBase
            * @static
            * @property NAME
            */
            NAME: 'editorBase',
            /**
            * Editor Strings
            * @static
            * @property STRINGS
            */
            STRINGS: {
                /**
                * Title of frame document: Rich Text Editor
                * @static
                * @property STRINGS.title
                */
                title: 'Rich Text Editor'
            },
            ATTRS: {
                /**
                * The content to load into the Editor Frame
                * @attribute content
                */
                content: {
                    value: '<br class="yui-cursor">',
                    setter: function(str) {
                        if (str.substr(0, 1) === "\n") {
                            Y.log('Stripping first carriage return from content before injecting', 'warn', 'editor');
                            str = str.substr(1);
                        }
                        if (str === '') {
                            str = '<br class="yui-cursor">';
                        }
                        if (str === ' ') {
                            if (Y.UA.gecko) {
                                str = '<br class="yui-cursor">';
                            }
                        }
                        return this.frame.set('content', str);
                    },
                    getter: function() {
                        return this.frame.get('content');
                    }
                },
                /**
                * The value of the dir attribute on the HTML element of the frame. Default: ltr
                * @attribute dir
                */
                dir: {
                    writeOnce: true,
                    value: 'ltr'
                },
                /**
                * @attribute linkedcss
                * @description An array of url's to external linked style sheets
                * @type String
                */
                linkedcss: {
                    value: '',
                    setter: function(css) {
                        if (this.frame) {
                            this.frame.set('linkedcss', css);
                        }
                        return css;
                    }
                },
                /**
                * @attribute extracss
                * @description A string of CSS to add to the Head of the Editor
                * @type String
                */
                extracss: {
                    value: false,
                    setter: function(css) {
                        if (this.frame) {
                            this.frame.set('extracss', css);
                        }
                        return css;
                    }
                },
                /**
                * @attribute defaultblock
                * @description The default tag to use for block level items, defaults to: p
                * @type String
                */
                defaultblock: {
                    value: 'p'
                }
            }
        });

        Y.EditorBase = EditorBase;

        /**
        * @event nodeChange
        * @description Fired from mouseup & keyup.
        * @param {Event.Facade} event An Event Facade object with the following specific properties added:
        * <dl>
        *   <dt>changedEvent</dt><dd>The event that caused the nodeChange</dd>
        *   <dt>changedNode</dt><dd>The node that was interacted with</dd>
        *   <dt>changedType</dt><dd>The type of change: mousedown, mouseup, right, left, backspace, tab, enter, etc..</dd>
        *   <dt>commands</dt><dd>The list of execCommands that belong to this change and the dompath that's associated with the changedNode</dd>
        *   <dt>classNames</dt><dd>An array of classNames that are applied to the changedNode and all of it's parents</dd>
        *   <dt>dompath</dt><dd>A sorted array of node instances that make up the DOM path from the changedNode to body.</dd>
        *   <dt>backgroundColor</dt><dd>The cascaded backgroundColor of the changedNode</dd>
        *   <dt>fontColor</dt><dd>The cascaded fontColor of the changedNode</dd>
        *   <dt>fontFamily</dt><dd>The cascaded fontFamily of the changedNode</dd>
        *   <dt>fontSize</dt><dd>The cascaded fontSize of the changedNode</dd>
        * </dl>
        * @type {Event.Custom}
        */

        /**
        * @event ready
        * @description Fired after the frame is ready.
        * @param {Event.Facade} event An Event Facade object.
        * @type {Event.Custom}
        */

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