$(this.hiddenInputName).value = concatedValue; },//add one option in left addLeftOption:function(objtext,objvalue){ var objLeft=document.getElementById(this.availableBox); objLeft.add(new Option(objtext,objvalue)); },//add one option in right addRightOption:function(objtext,objvalue){ var objRight=document.getElementById(this.selectedBox); objRight.add(new Option(objtext,objvalue)); },//remove all the vendors in both boxes removeAll:function(){ var objLeft = document.getElementById(this.availableBox); var objRight = document.getElementById(this.selectedBox); objLeft.options.length=0; objRight.options.length=0; },checkAll:function(){ this.removeAll(); for(var i=0;i<listAll.length;i++){ this.addLeftOption(listAll[i],""+i); } },checkClr:function(){ this.removeAll(); }});
initialize: function(availableBox,selectedBox,typeAllBtn,typeClrBtn,hiddenInputName,listAll){
this.availableBox = availableBox;
this.selectedBox = selectedBox;
this.hiddenInputName = hiddenInputName;
Event.observe(typeAllBtn,'click',this.checkAll.bindAsEventListener(this),false);
Event.observe(typeClrBtn,'click',this.checkClr.bindAsEventListener(this),false);
this.syncHiddenValue();
},syncHiddenValue: function(){
var concatedValue = '';
for(var i=0; i<$(this.selectedBox).options.length; i++){
concatedValue += $(this.selectedBox).options[i].value;
if(i < $(this.selectedBox).options.length-1){
concatedValue += '_:_';
}
}
$(this.hiddenInputName).value = concatedValue;
},//add one option in left
addLeftOption:function(objtext,objvalue){
var objLeft=document.getElementById(this.availableBox);
objLeft.add(new Option(objtext,objvalue));
},//add one option in right
addRightOption:function(objtext,objvalue){
var objRight=document.getElementById(this.selectedBox);
objRight.add(new Option(objtext,objvalue));
},//remove all the vendors in both boxes
removeAll:function(){
var objLeft = document.getElementById(this.availableBox);
var objRight = document.getElementById(this.selectedBox);
objLeft.options.length=0;
objRight.options.length=0;
},checkAll:function(){
this.removeAll();
for(var i=0;i<listAll.length;i++){
this.addLeftOption(listAll[i],""+i);
}
},checkClr:function(){
this.removeAll();
}});
var SelectTest = Class.create();
SelectTest.prototype={
initialize: function(availableBox,selectedBox,typeAllBtn,typeClrBtn,hiddenInputName,listAll){
this.availableBox = availableBox;
this.selectedBox = selectedBox;
this.hiddenInputName = hiddenInputName;
Event.observe(typeAllBtn,'click',this.checkAll.bindAsEventListener(this),false);
Event.observe(typeClrBtn,'click',this.checkClr.bindAsEventListener(this),false);
this.syncHiddenValue();
},
syncHiddenValue: function(){
var concatedValue = '';
for(var i=0; i <$(this.selectedBox).options.length; i++){
concatedValue += $(this.selectedBox).options[i].value;
if(i < $(this.selectedBox).options.length-1){
concatedValue += '_:_';
}
} $(this.hiddenInputName).value = concatedValue;
}, //add one option in left
addLeftOption:function(objtext,objvalue){
var objLeft=document.getElementById(this.availableBox);
objLeft.add(new Option(objtext,objvalue));
}, //add one option in right
addRightOption:function(objtext,objvalue){
var objRight=document.getElementById(this.selectedBox);
objRight.add(new Option(objtext,objvalue));
}, //remove all the vendors in both boxes
removeAll:function(){
var objLeft = document.getElementById(this.availableBox);
var objRight = document.getElementById(this.selectedBox);
objLeft.options.length=0;
objRight.options.length=0;
}, checkAll:function(){
this.removeAll();
for(var i=0;i <listAll.length;i++){
this.addLeftOption(listAll[i],""+i);
}
}, checkClr:function(){
this.removeAll();
}
};
var Animal = Class.create();
Animal.prototype = {
initialize: function(name, sound) {
this.name = name;
this.sound = sound;
},
speak: function() {
alert(name + " says: " + sound + "!");
}
};
var snake = new Animal("Ringneck", "hissssssssss");
snake.speak();
// -> alerts "Ringneck says: hissssssssss!"
var Dog = Class.create();
Dog.prototype = Object.extend(new Animal(), {
initialize: function(name) {
this.name = name;
this.sound = "woof";
}
});
var fido = new Dog("Fido");
fido.speak();// -> alerts "Fido says: woof!"看看这个例子,你可以参考Prototype详细的帮助文件,地址在这里:
http://www.prototypejs.org/api