weaverautocomplete_wev8.js
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/**
* Created with JetBrains WebStorm.
* User: lsj
* Date: 14-2-10
* Time: 下午8:09
* To change this template use File | Settings | File Templates.
*/
/**
* settings结构 {itemheght:''，itemmaxlength:'',,itempositionx:'',positiony:'',entercallback:function(){},muticheckcallback:function(){}}
* itemheght每个条目的高度条目数(超出部分用滚动条滚动展示)
* itemmaxlength 最多显示的
* positionx:控件展示的x坐标 positiony:控件展示的y坐标 entercallback: 回车键选中回调函数 muticheckcallback:多选确定按钮
* @param settings
*/
(function()
{
//每个li高度为25px
var ITEM_PERHEIGHT=30;
var CONTAINER_POSITIONX=0;
var CONTAINER_POSITIONY=0;
var ITEM_LENGTH=10;
//默认配置信息
var defaultConfig={
itemheght:ITEM_PERHEIGHT,
positionx:CONTAINER_POSITIONX,
positiony: CONTAINER_POSITIONY,
itemmaxlength:ITEM_LENGTH,
autoitems:[],
entercallback:function(){
alert('entercallback!!!');
},
muticheckcallback:function(){
alert('muticheckcallback!!!');
}
}
//完善设置信息
function mergeValue(settings)
{
for(var item in defaultConfig)
{
if(!settings.hasOwnProperty(item))
{
settings[item]=defaultConfig[item];
}
}
}
//自动提示对象
this.WeaverAutoComplete=function(settings)
{
if(!settings)
settings={};
//绘制自动提示插件界面
var autocontainer=jQuery("<div></div>");
autocontainer.addClass("filtercontainer");
autocontainer.click(function(e){
e.stopPropagation();
});
//搜索框
var atsearch=jQuery("<div></div>");
atsearch.addClass("filteritem");
var leftitem=jQuery("<div style='float: left;margin:1px;margin-left:3px'></div>");
var searchinput=jQuery("<span style='border:1px #e1e1e1 solid;width:140px;float:right;background:#fff;'><span style='padding-right:15px' class='at_search_btn'></span><input name='at_search' id='at_search' style='border:0px;height:25px' size='16'></span><span class='e8tips' title='"+SystemEnv.getHtmlNoteName(3652 ,languageid)+"' style='position:absolute;right:8px;top:3px;'><img src='/images/tooltip_wev8.png' align='absMiddle' style='vertical-align:middle;'/></span>");
leftitem.append(searchinput);
var multicheckbutton=jQuery("<input type='button' class='e8_btn_submit' style='width:55px !important;height:30px !important;' value='"+SystemEnv.getHtmlNoteName(3451 ,languageid)+"'>");
var multicheckcancell=jQuery("<input type='button' class='e8_btn_submit' style='width:55px !important;height:30px !important;' value='"+SystemEnv.getHtmlNoteName(3516 ,languageid)+"'>");
// var rightitem=jQuery("<div style='float: left;'></div>");
//生成查询框
atsearch.append(leftitem);
autocontainer.append(atsearch);
//所有条目
var autoitems=jQuery("<div><ol></ol></div>");
autoitems.addClass("autoitems");
autoitems.css('clear','left');
autocontainer.append(autoitems);
return {
generateItems:function(items,checked)
{
var length=items.length;
var li;
// if(length>0)
autoitems.find("ol").html("");
var ul=autoitems.find("ol");
for(var i= 0;i<length;i++)
{
li=jQuery("<li><input type='checkbox' class=InputStyle style='vertical-align:middle;' "+checked+" _uid=" + items[i].uid + " _uname=" + items[i].data + "><span class='data' datapy="+items[i].datapy+">"+items[i].data+"</span></li>");
li.attr("index",i+1);
li.attr("uid",items[i].uid);
ul.append(li);
}
if(length>settings.itemmaxlength)
{
autoitems.css("height",133+"px");
autoitems.css("overflow","auto");
}else
{
autoitems.css("height",(length*settings.itemheght)+"px");
}
if(length>0)
autoitems.find("ol li").eq(0).addClass("on");
autoitems.scroll(function(e){
e.stopPropagation();
});
},
//初始化外部容器
initAutoContainer:function()
{
autocontainer.css("left",settings.positionx);
autocontainer.css("top",settings.positiony);
},
//初始化选择条目
initAutoItems:function()
{
var items=settings.autoitems;
this.generateItems(items);
},
registerEvents:function()
{
var that=this;
var hideordisplay=true;
autocontainer.mouseover(function(){
hideordisplay=true;
});
autocontainer.mouseout(function(){
hideordisplay=false;
});
jQuery(document).click(function(){
if(!hideordisplay)
{
that.destroy();
hideordisplay=true;
}
});
//注册滚动条滚动事件,带动自动提示框
function filterScroll()
{
if(jQuery(".filtercontainer").length>0)
{
if(settings.relativeItem)
{
var el=settings.relativeItem;
var px=jQuery(el).offset().left;
var py=jQuery(el).offset().top;
jQuery(".filtercontainer").css("left",px);
jQuery(".filtercontainer").css("top",py);
}
}
}
if(window.attachEvent)
{
window.attachEvent('onscroll',filterScroll);
}else if(window.addEventListener)
{
window.addEventListener('scroll',filterScroll);
}
//注册事件 (输入框动态索引)
searchinput.keyup(function(){
var val=jQuery("#at_search").val();
var items=[];
var autoitems=settings.autoitems;
for(var i= 0,length=autoitems.length;i<length;i++)
{
if(val==='' || autoitems[i].data.indexOf(val)>-1||autoitems[i].datapy.toLowerCase().indexOf(val.toLowerCase())>-1)
{
items.push(autoitems[i]);
}
}
that.generateItems(items);
autocontainer.jNice();
});
multicheckbutton.click(function(){
var checkitems = null;
if (!!settings && !!settings.isfromuedit && settings.isfromuedit == 1) {
checkitems=autoitems.find("input:checkbox:checked");
} else {
checkitems=autoitems.find("ol").find(".jNiceChecked");
}
if(checkitems.length===0)
{
alert("请至少选择一个!!!");
return;
}
settings.muticheckcallback.call(checkitems);
that.destroy();
});
multicheckcancell.click(function(){
that.destroy();
});
autoitems.find("ol").delegate( "li", "mouseover", function() {
autoitems.find("ol li.on").removeClass("on");
jQuery(this).addClass("on");
});
autoitems.find("ol").delegate( "input[type='checkbox']", "click",function(e){
e.stopPropagation();
});
autoitems.find("ol").delegate( "li", "click",function(){
settings.entercallback.call(jQuery(this));
that.destroy();
});
/**
* 按键按下
* @param e
*/
function keydown(e)
{
var keycode= e.which;
var current;
e.stopPropagation();
function scrollTo(li)
{
autoitems.find("ol").unbind("mouseover");
//需向上向下移动
if(settings.autoitems.length>settings.itemmaxlength)
{
var index=li.attr("index");
var itemheight=settings.itemmaxlength*settings.itemheght;
var currentlength=index*settings.itemheght;
var scrollength=currentlength-itemheight;
if(scrollength<0)
{
autoitems.scrollTop(0);
}else
{
autoitems.scrollTop(scrollength);
}
}
li.addClass("on");
//注意:主要防止通过上下箭头移动item的时候触发mouseover事件
autoitems.find("ol").mousemove(function(){
autoitems.find("ol").delegate( "li", "mouseover", function() {
autoitems.find("ol li.on").removeClass("on");
jQuery(this).addClass("on");
});
autoitems.find("ol").unbind("mousemove");
});
}
//向上
if(keycode===38)
{
jQuery("#at_search").blur();
searchinput.blur();
if(jQuery("li.on").prev("li").length===1)
{
e.preventDefault();
current=jQuery("li.on");
scrollTo(jQuery("li.on").prev("li"));
current.removeClass("on");
}
}
//向下
else if(keycode===40)
{
jQuery("#at_search").blur();
searchinput.blur();
if(jQuery("li.on").next("li").length===1)
{
e.preventDefault();
current=jQuery("li.on");
scrollTo(jQuery("li.on").next("li"));
current.removeClass("on");
}
}else if(keycode===13)
{
var iteminfo=jQuery("li.on");
settings.entercallback.call(iteminfo);
that.destroy();
}
}
jQuery(document).keydown(keydown);
},
init:function()
{
mergeValue(settings);
//初始化外部容器
this.initAutoContainer();
//初始化选择条目
this.initAutoItems();
autocontainer.jNice();
//注册事件
this.registerEvents();
var btngroup=jQuery("<table style='border-top:1px solid #efefef;background:#fcfcfc'><tr><td width=86px></td><td style='color:#dadada'>|</td><td width=86px></td></tr><table>");
btngroup.find("td:eq(0)").append(multicheckbutton);
btngroup.find("td:eq(2)").append(multicheckcancell);
autocontainer.append(btngroup);
jQuery(document.body).append(autocontainer);
autocontainer.css("top",autocontainer.offset().top-5);
searchinput.focus();
},
//销毁容器
destroy:function()
{
autocontainer.remove();
jQuery(document).unbind("keydown");
}
}
}
})();