//--
//-- Wizard support
//--

function Wizard(elem)
{
	if(elem) {
		this.formElem = findRelated(elem,"wizard","className");
		this.bodyElem = findRelated(this.formElem.firstChild,"wizardBody","className","nextSibling");
		this.footElem = findRelated(this.formElem.firstChild,"wizardFooter","className","nextSibling");
	} else {
		this.formElem = null;
		this.bodyElem = null;
		this.footElem = null;
	}
}

Wizard.prototype.setValue = function(name,value)
{
	jQuery(this.formElem).data(name, value);
};

Wizard.prototype.getValue = function(name)
{
	return this.formElem ? jQuery(this.formElem).data(name) : null;
};

Wizard.prototype.createWizard = function(place,title)
{
	this.formElem = createTiddlyElement(place,"form",null,"wizard");
	createTiddlyElement(this.formElem,"h1",null,null,title);
	this.bodyElem = createTiddlyElement(this.formElem,"div",null,"wizardBody");
	this.footElem = createTiddlyElement(this.formElem,"div",null,"wizardFooter");
	return this.formElem;
};

Wizard.prototype.clear = function()
{
	jQuery(this.bodyElem).empty();
};

Wizard.prototype.setButtons = function(buttonInfo,status)
{
	jQuery(this.footElem).empty();
	var t;
	for(t=0; t<buttonInfo.length; t++) {
		createTiddlyButton(this.footElem,buttonInfo[t].caption,buttonInfo[t].tooltip,buttonInfo[t].onClick);
		insertSpacer(this.footElem);
		}
	if(typeof status == "string") {
		createTiddlyElement(this.footElem,"span",null,"status",status);
	}
};

Wizard.prototype.addStep = function(stepTitle,html)
{
	jQuery(this.bodyElem).empty();
	var w = createTiddlyElement(this.bodyElem,"div");
	createTiddlyElement(w,"h2",null,null,stepTitle);
	var step = createTiddlyElement(w,"div",null,"wizardStep");
	step.innerHTML = html;
	applyHtmlMacros(step,tiddler);
};

Wizard.prototype.getElement = function(name)
{
	return this.formElem.elements[name];
};