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Prado.WebUI.TRatingList = Base.extend(
{
selectedIndex : -1,
enabled : true,
constructor : function(options)
{
var cap = $(options.CaptionID);
this.options = Object.extend(
{
caption : cap ? cap.innerHTML : ''
}, options || {});
Prado.WebUI.TRatingList.register(this);
this._init();
this.selectedIndex = options.SelectedIndex;
this.setRating(this.selectedIndex);
},
_init: function(options)
{
Element.addClassName($(this.options.ListID),this.options.Style);
var radios = document.getElementsByName(this.options.ListName);
this.radios = new Array();
var index=0;
for(var i = 0; i<radios.length; i++)
{
var node = radios[i].parentNode;
if(node.tagName.toLowerCase()=='td')
{
this.radios.push(radios[i]);
Event.observe(node, "mouseover", this.hover.bindEvent(this,index));
Event.observe(node, "mouseout", this.recover.bindEvent(this,index));
Event.observe(node, "click", this.click.bindEvent(this, index));
index++;
Element.addClassName(node,"rating");
}
}
},
hover : function(ev,index)
{
if(this.enabled==false) return;
for(var i = 0; i<this.radios.length; i++)
{
var action = i <= index ? 'addClassName' : 'removeClassName'
Element[action](this.radios[i].parentNode,"rating_hover");
}
this.setCaption(index);
},
recover : function(ev,index)
{
if(this.enabled==false) return;
for(var i = 0; i<=index; i++)
Element.removeClassName(this.radios[i].parentNode, "rating_hover");
this.setRating(this.selectedIndex);
},
click : function(ev, index)
{
if(this.enabled==false) return;
for(var i = 0; i<this.radios.length; i++)
this.radios[i].checked = (i == index);
this.selectedIndex = index;
this.setRating(index);
var requestOptions = Object.extend(
{
ID : this.options.ListID+"_c"+index,
EventTarget : this.options.ListName+"$c"+index
},this.options);
var request = new Prado.CallbackRequest(requestOptions.EventTarget, requestOptions);
if(request.dispatch()==false)
Event.stop(ev);
},
setRating: function(index)
{
for(var i = 0; i<this.radios.length; i++)
{
var action = i <= index ? 'addClassName' : 'removeClassName'
Element[action](this.radios[i].parentNode, "rating_selected");
}
this.setCaption(index);
},
setCaption : function(index)
{
var value = index > -1 ? this.radios[index].value : this.options.caption;
var caption = $(this.options.CaptionID);
if(caption) caption.innerHTML = value;
$(this.options.ListName).title = value;
},
setEnabled : function(value)
{
this.enabled = value;
for(var i = 0; i<this.radios.length; i++)
{
var action = value ? 'removeClassName' : 'addClassName'
Element[action](this.radios[i].parentNode, "rating_disabled");
Element.removeClassName(this.radios[i].parentNode, "rating_hover");
}
}
},
{
ratings : {},
register : function(rating)
{
Prado.WebUI.TRatingList.ratings[rating.options.ListID] = rating;
},
setEnabled : function(id,value)
{
Prado.WebUI.TRatingList.ratings[id].setEnabled(value);
},
setRating : function(id,value)
{
Prado.WebUI.TRatingList.ratings[id].setRating(value);
Prado.WebUI.TRatingList.ratings[id].selectedIndex = value;
}
});
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