source: Dev/trunk/src/client/dojox/widget/Wizard.js

define([
        "dojo/_base/lang",
        "dojo/_base/declare",
        "dojo/_base/connect",
        "dijit/layout/StackContainer",
        "dijit/_TemplatedMixin",
        "dijit/_WidgetsInTemplateMixin",
        "dojo/i18n",
        "dojo/text!./Wizard/Wizard.html",
        "dojo/i18n!dijit/nls/common",
        "dojo/i18n!./nls/Wizard",
        "dijit/form/Button"             // used by template
], function (lang, declare, connect, StackContainer, _TemplatedMixin, _WidgetsInTemplateMixin, i18n, template) {
  
var Wizard = declare("dojox.widget.Wizard", [StackContainer, _TemplatedMixin, _WidgetsInTemplateMixin], {
        // summary:
        //              A set of panels that display sequentially, typically notating a step-by-step
        //              procedure like an install
        
        templateString: template,
        
        // nextButtonLabel: String
        //              Label override for the "Next" button.
        nextButtonLabel: "",

        // previousButtonLabel: String
        //              Label override for the "Previous" button.
        previousButtonLabel: "",

        // cancelButtonLabel: String
        //              Label override for the "Cancel" button.
        cancelButtonLabel: "",

        // doneButtonLabel: String
        //              Label override for the "Done" button.
        doneButtonLabel: "",

        // cancelFunction: Function|String
        //              Name of function to call if user presses cancel button.
        //              Cancel button is not displayed if function is not specified.
        cancelFunction: null,

        // hideDisabled: Boolean
        //              If true, disabled buttons are hidden; otherwise, they are assigned the
        //              "WizardButtonDisabled" CSS class
        hideDisabled: false,

        postMixInProperties: function(){
                this.inherited(arguments);
                var labels = lang.mixin({cancel: i18n.getLocalization("dijit", "common", this.lang).buttonCancel},
                        i18n.getLocalization("dojox.widget", "Wizard", this.lang));
                var prop;
                for(prop in labels){
                        if(!this[prop + "ButtonLabel"]){
                                this[prop + "ButtonLabel"] = labels[prop];
                        }
                }
        },

        startup: function(){
                if(this._started){
                        //console.log('started');
                        return;
                }
                this.inherited(arguments);
                
                this.connect(this.nextButton, "onClick", "_forward");
                this.connect(this.previousButton, "onClick", "back");

                if(this.cancelFunction){
                        if(lang.isString(this.cancelFunction)){
                                this.cancelFunction = lang.getObject(this.cancelFunction);
                        }
                        this.connect(this.cancelButton, "onClick", this.cancelFunction);
                }else{
                        this.cancelButton.domNode.style.display = "none";
                }
                this.connect(this.doneButton, "onClick", "done");

                this._subscription = connect.subscribe(this.id + "-selectChild", lang.hitch(this,"_checkButtons"));
                this._started = true;
                
        },
        
        resize: function(){
                this.inherited(arguments);
                this._checkButtons();
        },

        _checkButtons: function(){
                
                var sw = this.selectedChildWidget;
                
                var lastStep = sw.isLastChild;
                this.nextButton.set("disabled", lastStep);
                this._setButtonClass(this.nextButton);
                if(sw.doneFunction){
                        //console.log(sw.doneFunction);
                        this.doneButton.domNode.style.display = "";
                        if(lastStep){
                                this.nextButton.domNode.style.display = "none";
                        }
                }else{
                        // #1438 issue here.
                        this.doneButton.domNode.style.display = "none";
                }
                this.previousButton.set("disabled", !this.selectedChildWidget.canGoBack);
                this._setButtonClass(this.previousButton);
        },

        _setButtonClass: function(button){
                button.domNode.style.display = (this.hideDisabled && button.disabled) ? "none" : "";
        },

        _forward: function(){
                // summary:
                //              callback when next button is clicked
                if(this.selectedChildWidget._checkPass()){
                        this.forward();
                }
        },
        
        done: function(){
                // summary:
                //              Finish the wizard's operation
                this.selectedChildWidget.done();
        },
        
        destroy: function(){
                connect.unsubscribe(this._subscription);
                this.inherited(arguments);
        }
        
});

return Wizard;
});