button-beta.js

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            else if (p_oElement.nodeName) {
    
                if (!oConfig.attributes.id) {
    
                    if (p_oElement.id) {
        
                        oConfig.attributes.id = p_oElement.id;
                    
                    }
                    else {
        
                        oConfig.attributes.id = Dom.generateId();
        
        
                    }
    
                }
    
    
    
    
    
                oConfig.attributes.srcelement = p_oElement;
        
                initConfig.call(this, oConfig);
        
        
                if (!oConfig.element) {
    
            
                    oConfig.element = 
                        this.createButtonElement(oConfig.attributes.type);
            
                }
            
                fnSuperClass.call(this, oConfig.element, oConfig.attributes);
            
            }
    
        }
    
    };



    YAHOO.extend(YAHOO.widget.Button, YAHOO.util.Element, {
    
    
        // Protected properties
        
        
        /** 
        * @property _button
        * @description Object reference to the button's internal 
        * <code>&#60;a&#62;</code> or <code>&#60;button&#62;</code> element.
        * @default null
        * @protected
        * @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
        * level-one-html.html#ID-48250443">HTMLAnchorElement</a>|<a href="
        * http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-one-html.html
        * #ID-34812697">HTMLButtonElement</a>
        */
        _button: null,
        
        
        /** 
        * @property _menu
        * @description Object reference to the button's menu.
        * @default null
        * @protected
        * @type {<a href="YAHOO.widget.Overlay.html">YAHOO.widget.Overlay</a>|
        * <a href="YAHOO.widget.Menu.html">YAHOO.widget.Menu</a>}
        */
        _menu: null,
        
        
        /** 
        * @property _hiddenFields
        * @description Object reference to the <code>&#60;input&#62;</code>  
        * element, or array of HTML form elements used to represent the button
        *  when its parent form is submitted.
        * @default null
        * @protected
        * @type <a href="http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/
        * level-one-html.html#ID-6043025">HTMLInputElement</a>|Array
        */
        _hiddenFields: null,
        
        
        /** 
        * @property _onclickAttributeValue
        * @description Object reference to the button's current value for the 
        * "onclick" configuration attribute.
        * @default null
        * @protected
        * @type Object
        */
        _onclickAttributeValue: null,
        
        
        /** 
        * @property _activationKeyPressed
        * @description Boolean indicating if the key(s) that toggle the button's 
        * "active" state have been pressed.
        * @default false
        * @protected
        * @type Boolean
        */
        _activationKeyPressed: false,
        
        
        /** 
        * @property _activationButtonPressed
        * @description Boolean indicating if the mouse button that toggles 
        * the button's "active" state has been pressed.
        * @default false
        * @protected
        * @type Boolean
        */
        _activationButtonPressed: false,
        
        
        /** 
        * @property _hasKeyEventHandlers
        * @description Boolean indicating if the button's "blur", "keydown" and 
        * "keyup" event handlers are assigned
        * @default false
        * @protected
        * @type Boolean
        */
        _hasKeyEventHandlers: false,
        
        
        /** 
        * @property _hasMouseEventHandlers
        * @description Boolean indicating if the button's "mouseout," 
        * "mousedown," and "mouseup" event handlers are assigned
        * @default false
        * @protected
        * @type Boolean
        */
        _hasMouseEventHandlers: false,
        
        
        
        // Constants
        
        
        /**
        * @property NODE_NAME
        * @description The name of the node to be used for the button's 
        * root element.
        * @default "SPAN"
        * @final
        * @type String
        */
        NODE_NAME: "SPAN",
        
        
        /**
        * @property CHECK_ACTIVATION_KEYS
        * @description Array of numbers representing keys that (when pressed) 
        * toggle the button's "checked" attribute.
        * @default [32]
        * @final
        * @type Array
        */
        CHECK_ACTIVATION_KEYS: [32],
        
        
        /**
        * @property ACTIVATION_KEYS
        * @description Array of numbers representing keys that (when presed) 
        * toggle the button's "active" state.
        * @default [13, 32]
        * @final
        * @type Array
        */
        ACTIVATION_KEYS: [13, 32],
        
        
        /**
        * @property OPTION_AREA_WIDTH
        * @description Width (in pixels) of the area of a split button that  
        * when pressed will display a menu.
        * @default 20
        * @final
        * @type Number
        */
        OPTION_AREA_WIDTH: 20,
        
        
        /**
        * @property CSS_CLASS_NAME
        * @description String representing the CSS class(es) to be applied to  
        * the button's root element.
        * @default "yui-button"
        * @final
        * @type String
        */
        CSS_CLASS_NAME: "yui-button",
        
        
        /**
        * @property RADIO_DEFAULT_TITLE
        * @description String representing the default title applied to buttons 
        * of type "radio." 
        * @default "Unchecked.  Click to check."
        * @final
        * @type String
        */
        RADIO_DEFAULT_TITLE: "Unchecked.  Click to check.",
        
        
        /**
        * @property RADIO_CHECKED_TITLE
        * @description String representing the title applied to buttons of 
        * type "radio" when checked.
        * @default "Checked.  Click to uncheck."
        * @final
        * @type String
        */
        RADIO_CHECKED_TITLE: "Checked.  Click to uncheck.",
        
        
        /**
        * @property CHECKBOX_DEFAULT_TITLE
        * @description String representing the default title applied to 
        * buttons of type "checkbox." 
        * @default "Unchecked.  Click to check."
        * @final
        * @type String
        */
        CHECKBOX_DEFAULT_TITLE: "Unchecked.  Click to check.",
        
        
        /**
        * @property CHECKBOX_CHECKED_TITLE
        * @description String representing the title applied to buttons of type 
        * "checkbox" when checked.
        * @default "Checked.  Click to uncheck."
        * @final
        * @type String
        */
        CHECKBOX_CHECKED_TITLE: "Checked.  Click to uncheck.",
        
        
        /**
        * @property MENUBUTTON_DEFAULT_TITLE
        * @description String representing the default title applied to 
        * buttons of type "menu." 
        * @default "Menu collapsed.  Click to expand."
        * @final
        * @type String
        */
        MENUBUTTON_DEFAULT_TITLE: "Menu collapsed.  Click to expand.",
        
        
        /**
        * @property MENUBUTTON_MENU_VISIBLE_TITLE
        * @description String representing the title applied to buttons of type 
        * "menu" when the button's menu is visible. 
        * @default "Menu expanded.  Click or press Esc to collapse."
        * @final
        * @type String
        */
        MENUBUTTON_MENU_VISIBLE_TITLE: 
            "Menu expanded.  Click or press Esc to collapse.",
        
        
        /**
        * @property SPLITBUTTON_DEFAULT_TITLE
        * @description  String representing the default title applied to 
        * buttons of type "split." 
        * @default "Menu collapsed.  Click inside option region or press 
        * Ctrl + Shift + M to show the menu."
        * @final
        * @type String
        */
        SPLITBUTTON_DEFAULT_TITLE: ("Menu collapsed.  Click inside option " + 
            "region or press Ctrl + Shift + M to show the menu."),
        
        
        /**
        * @property SPLITBUTTON_OPTION_VISIBLE_TITLE
        * @description String representing the title applied to buttons of type 
        * "split" when the button's menu is visible. 
        * @default "Menu expanded.  Press Esc or Ctrl + Shift + M to hide 
        * the menu."
        * @final
        * @type String
        */
        SPLITBUTTON_OPTION_VISIBLE_TITLE: 
            "Menu expanded.  Press Esc or Ctrl + Shift + M to hide the menu.",
        
        
        /**
        * @property SUBMIT_TITLE
        * @description String representing the title applied to buttons of 
        * type "submit." 
        * @default "Click to submit form."
        * @final
        * @type String
        */
        SUBMIT_TITLE: "Click to submit form.",
        
        
        
        // Protected attribute setter methods
        
        
        /**
        * @method _setType
        * @description Sets the value of the button's "type" attribute.
        * @protected
        * @param {String} p_sType String indicating the value for the button's 
        * "type" attribute.
        */
        _setType: function (p_sType) {
        
            if (p_sType == "split") {
        
                this.on("option", this._onOption);
        
            }
        
        },
        
        
        /**
        * @method _setLabel
        * @description Sets the value of the button's "label" attribute.
        * @protected
        * @param {String} p_sLabel String indicating the value for the button's 
        * "label" attribute.
        */
        _setLabel: function (p_sLabel) {

            this._button.innerHTML = p_sLabel;             
        
        },
        
        
        /**
        * @method _setTabIndex
        * @description Sets the value of the button's "tabindex" attribute.
        * @protected
        * @param {Number} p_nTabIndex Number indicating the value for the 
        * button's "tabindex" attribute.
        */
        _setTabIndex: function (p_nTabIndex) {
        
            this._button.tabIndex = p_nTabIndex;
        
        },
        
        
        /**
        * @method _setTitle
        * @description Sets the value of the button's "title" attribute.
        * @protected
        * @param {String} p_nTabIndex Number indicating the value for 
        * the button's "title" attribute.
        */
        _setTitle: function (p_sTitle) {
        
            var sTitle = p_sTitle;
        
            if (this.get("type") != "link") {
        
                if (!sTitle) {
        
                    switch (this.get("type")) {
        
                    case "radio":
    
                        sTitle = this.RADIO_DEFAULT_TITLE;
    
                        break;
    
                    case "checkbox":
    
                        sTitle = this.CHECKBOX_DEFAULT_TITLE;
    
                        break;
                    
                    case "menu":
    
                        sTitle = this.MENUBUTTON_DEFAULT_TITLE;
    
                        break;
    
                    case "split":
    
                        sTitle = this.SPLITBUTTON_DEFAULT_TITLE;
    
                        break;
    
                    case "submit":
    
                        sTitle = this.SUBMIT_TITLE;
    
                        break;
        
                    }
        
                }
        
                this._button.title = sTitle;
        
            }
        
        },
        
        
        /**
        * @method _setDisabled
        * @description Sets the value of the button's "disabled" attribute.
        * @protected
        * @param {Boolean} p_bDisabled Boolean indicating the value for 
        * the button's "disabled" attribute.
        */
        _setDisabled: function (p_bDisabled) {
        
            if (this.get("type") != "link") {
        
                if (p_bDisabled) {
        
                    if (this._menu) {
        
                        this._menu.hide();
        
                    }
        
                    if (this.hasFocus()) {
                    
                        this.blur();
                    
                    }
        
                    this._button.setAttribute("disabled", "disabled");
        
                    this.addStateCSSClasses("disabled");
        
                }
                else {
        
                    this._button.removeAttribute("disabled");
        
                    this.removeStateCSSClasses("disabled");
                
                }
        
            }
        
        },

        
        /**