//ListBox.js
//Version: 1.0
//This script is created by Samir Nigam. Do not remove, modify, or hide the author information. keep it intact.
//Mail: nigam.samir@hotmail.com
function ListBox(Arguments)
{
//Public property Version.
this.Version = '1.0';
//Local variables.
var Ids = 0;
var EventHandlers = new Array();
var Base = Arguments.Base ? Arguments.Base : document.documentElement;
var Size = !Arguments.Rows && Arguments.Rows > 5 ? Arguments.Rows : 6;
var Width = Arguments.Width ? Arguments.Width : 300;
var NormalItemColor = Arguments.NormalItemColor ? Arguments.NormalItemColor : 'Black';
var NormalItemBackColor = Arguments.NormalItemBackColor ? Arguments.NormalItemBackColor : '#ffffff';
var AlternateItemColor = Arguments.AlternateItemColor ? Arguments.AlternateItemColor : 'Black';
var AlternateItemBackColor = Arguments.AlternateItemBackColor ? Arguments.AlternateItemBackColor : '#E0E0E0';
var SelectedItemColor = Arguments.SelectedItemColor ? Arguments.SelectedItemColor : '#ffffff';
var SelectedIItemBackColor = Arguments.SelectedIItemBackColor ? Arguments.SelectedIItemBackColor : '#E6A301';
var HoverItemColor = Arguments.HoverItemColor ? Arguments.HoverItemColor : '#ffffff';
var HoverItemBackColor = Arguments.HoverItemBackColor ? Arguments.HoverItemBackColor : '#2259D7';
var HoverBorderdColor = Arguments.HoverBorderdColor ? Arguments.HoverBorderdColor : 'orange';
var ClickEventHandler = Arguments.ClickEventHandler ? Arguments.ClickEventHandler : function(){ };
//Create div for list box.
var ListBoxDiv = document.createElement('div');
ListBoxDiv.style.backgroundColor = '#ffffff';
ListBoxDiv.style.textAlign = 'left';
ListBoxDiv.style.verticalAlign = 'top';
ListBoxDiv.style.cursor = 'default';
ListBoxDiv.style.borderStyle = 'inset';
ListBoxDiv.style.overflow = 'auto';
ListBoxDiv.style.width = Width + 'px';
ListBoxDiv.style.height = (Size * 22) + 'px';
this.AddItem = function(_Text, _Value)
{
var Item = null;
var CheckBox = null;
var Span = null;
Item = document.createElement('div');
Item.style.backgroundColor = Ids % 2 == 0 ? NormalItemBackColor : AlternateItemBackColor;
Item.style.color = Ids % 2 == 0 ? NormalItemColor : AlternateItemColor;;
Item.style.fontWeight = 'normal';
Item.style.fontFamily = 'Verdana';
Item.style.fontSize = '10pt';
Item.style.textAlign = 'left';
Item.style.verticalAlign = 'middle';
Item.style.cursor = 'default';
Item.style.borderTop = Ids % 2 == 0 ? '1px solid ' + NormalItemBackColor : '1px solid ' + AlternateItemBackColor;
Item.style.borderBottom = Ids % 2 == 0 ? '1px solid ' + NormalItemBackColor : '1px solid ' + AlternateItemBackColor;
Item.style.overflow = 'hidden';
Item.style.textOverflow = 'ellipsis';
Item.ItemIndex = Ids;
CheckBox = document.createElement('input');
CheckBox.type = 'checkbox';
Item.appendChild(CheckBox);
Span = document.createElement('span');
Span.innerHTML = _Text;
Span.value = _Value;
Span.title = _Text;
Item.appendChild(Span);
ListBoxDiv.appendChild(Item);
//Register events.
WireUpEventHandler(Item, 'mouseover', function(){ OnMouseOver(CheckBox, Item); });
WireUpEventHandler(Item, 'mouseout', function(){ OnMouseOut(CheckBox, Item); });
WireUpEventHandler(Item, 'selectstart', function(){ return false; });
WireUpEventHandler(CheckBox, 'click', function(){ OnClick(CheckBox, Item); });
WireUpEventHandler(CheckBox, 'click', function(){ ClickEventHandler(CheckBox, { IsSelected: CheckBox.checked, Text: _Text, Value: _Value, ItemIndex: Item.ItemIndex }); });
Ids++;
}
//Public method GetItems.
this.GetItems = function()
{
var Items = new Array();
var Divs = ListBoxDiv.getElementsByTagName('div');
for(var n = 0; n < Divs.length; ++n)
Items.push({IsSelected: Divs[n].childNodes[0].checked, Text: Divs[n].childNodes[1].innerHTML, Value: Divs[n].childNodes[1].value, ItemIndex: Divs[n].ItemIndex});
return Items;
}
//Public method Dispose.
this.Dispose = function()
{
while(EventHandlers.length > 0)
DetachEventHandler(EventHandlers.pop());
Base.removeChild(ListBoxDiv);
}
//Public method Contains.
this.Contains = function(Index)
{
return typeof(Index) == 'number' && ListBoxDiv.childNodes[Index] ? true : false;
}
//Public method GetItem.
this.GetItem = function(Index)
{
var Divs = ListBoxDiv.getElementsByTagName('div');
return this.Contains(Index) ? { IsSelected: Divs[Index].childNodes[0].checked, Text: Divs[Index].childNodes[1].innerHTML, Value: Divs[Index].childNodes[1].value, ItemIndex: Index} : null;
}
//Public method DeleteItem.
this.DeleteItem = function(Index)
{
if(!this.Contains(Index)) return false;
try
{
ListBoxDiv.removeChild(ListBoxDiv.childNodes[Index]);
}
catch(err)
{
return false;
}
return true;
}
//Public method DeleteItems.
this.DeleteItems = function()
{
var ItemsRemoved = 0;
for(var n = ListBoxDiv.childNodes.length - 1; n >= 0; --n)
try
{
ListBoxDiv.removeChild(ListBoxDiv.childNodes[n]);
ItemsRemoved++;
}
catch(err)
{
break;
}
return ItemsRemoved;
}
//Public method GetTotalItems.
this.GetTotalItems = function()
{
return ListBoxDiv.childNodes.length;
}
//Item mouseover event handler.
var OnMouseOver = function(CheckBox, Item)
{
if(CheckBox.checked) return;
Item.bgColor = Item.style.backgroundColor;
Item.fColor = Item.style.color;
Item.bColor = Item.style.borderTopColor;
Item.style.backgroundColor = HoverItemBackColor;
Item.style.color = HoverItemColor;
Item.style.borderTopColor = Item.style.borderBottomColor = HoverBorderdColor;
Item.style.fontWeight = 'bold';
}
//Item mouseout event handler.
var OnMouseOut = function(CheckBox, Item)
{
if(CheckBox.checked) return;
Item.style.backgroundColor = Item.bgColor;
Item.style.color = Item.fColor;
Item.style.borderTopColor = Item.style.borderBottomColor = Item.bColor;
Item.style.fontWeight = 'normal';
}
//CheckBox click event handler.
var OnClick = function(CheckBox, Item)
{
if(CheckBox.checked)
{
Item.style.backgroundColor = SelectedIItemBackColor;
Item.style.color = SelectedItemColor;
Item.style.borderTopColor = Item.style.borderBottomColor = SelectedIItemBackColor;
}
else
{
Item.style.backgroundColor = HoverItemBackColor;
Item.style.color = HoverItemColor;
Item.style.borderTopColor = Item.style.borderBottomColor = HoverBorderdColor;
}
}
//Private anonymous method to wire up event handlers.
var WireUpEventHandler = function(Target, Event, Listener)
{
//Register event.
if(Target.addEventListener)
Target.addEventListener(Event, Listener, false);
else if(Target.attachEvent)
Target.attachEvent('on' + Event, Listener);
else
{
Event = 'on' + Event;
Target.Event = Listener;
}
//Collect event information through object literal.
var EVENT = { Target: Target, Event: Event, Listener: Listener }
EventHandlers.push(EVENT);
}
//Private anonymous method to detach event handlers.
var DetachEventHandler = function(EVENT)
{
if(EVENT.Target.removeEventListener)
EVENT.Target.removeEventListener(EVENT.Event, EVENT.
漂亮的客户端ListBox控件，采用客户端绑定数据源
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2008-09-15
08:48:43
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JavaScript ListBox Control.zip （4个子文件） 
ListBox JS 
ListBox.js 8KB Web.Config 2KB App_Data Default.aspx 2KB Default.aspx.cs 377B资源评论
liu09081010172012-05-21这个程序是JAVA的 我需要VC的 不过还是感谢了
