VML Chart 控件[2]

};

//求数据对象的最大value
_p.maxs = function(){
 var max = 0;
 for(var i=0; i<this.seriescollection.length; i++){
  if(max<this.seriescollection[i].max()) max = this.seriescollection[i].max();
 }
 return max;
}

//重载object的tostring方法
_p.tostring = function(){
 return "ograph";
};

//定义 vml chart 边框类
function border(){
 this.color = "black";
 this.style = bstsingle;
 this.width = 1;
};

//定义 vml chart 背景类
function fill(){
 this.color  = "white";
 this.background = null;
 this.style  = fstsolid;
};

//定义 vml chart 标题类
function text(){
 this.alignment = atcenter;
 this.height  = 24;
 this.font  = new font();
 this.text  = "vml chart version 1.0";
};

//定义 vml chart 字体类
function font(){
 this.color = "black";
 this.family = "arial";
 this.size = 12;
 this.style = fstregular;
};

//定义 vml chart 图例类
function legend(){
 this.font = new font();
};

//定义 vml chart 序列类
function series(){
 this.color = series.getcolor();
 this.title  = null;
 this.all = [];
};
//随机获取一种颜色
series.getcolor = function(){
 return "rgb("+math.round(math.random()*255)+","+math.round(math.random()*255)+","+math.round(math.random()*255)+")";
};
var _p = series.prototype;
//增加具体数据
_p.adddata = function(sname,svalue,shref,stooltiptext){
 var odata = new object();
 odata.name = sname;
 odata.value = svalue;
 odata.href = shref;
 if(stooltiptext == null || stooltiptext == "undefined")
  odata.tooltiptext="本项数值为："+ svalue;
 else
  odata.tooltiptext = stooltiptext;
 var icount=this.all.length;
 this.all[icount] = odata;
};

//求数据对象的最大value
_p.max = function(){
 var max = 0;
 for(var i=0; i<this.all.length; i++){
  if(this.all[i].value > max) max = this.all[i].value;
 }
 return max;
}

//重载object的tostring方法
_p.tostring = function(){
 return "oseries";
};

//定义 vml chart 时间序列类
function timeseries(){
 series.call(this);
};
var _p = timeseries.prototype = new series;
//增加具体数据
_p.adddata = function(stime,svalue,stype,shref,stooltiptext){
 var odata = new object();
 var dt = new date(eval(stime*1000));
 if(stype == "minute"){
  odata.name = dt.gethours() +":"+ dt.getminutes();
 }
 else if(stype == "hour"){
  odata.name = dt.gethours();
 }
 else if(stype == "day"){
  odata.name = eval(dt.getmonth()+1) +"月"+ dt.getdate() +"日";
 }
 else if(stype == "month"){
  odata.name = dt.getyear() +"年"+ eval(dt.getmonth()+1)+ "月";
 }
 else{
  odata.name = dt.getyear() +"年"
 }
 odata.value = svalue;
 odata.href = shref;
 odata.tooltiptext = "本项数值为："+ svalue + ", 时间："+ dt.getyear() +"年"+ eval(dt.getmonth()+1)+ "月"+ dt.getdate() +"日 "+ dt.gethours() +":"+ dt.getminutes() +":"+ dt.getseconds();
 var icount=this.all.length;
 this.all[icount] = odata;
};

//重载object的tostring方法
_p.tostring = function(){
 return "otimeseries";
};

//定义 vml chart 坐标轴类
function axis(){
 this.color = "black";
 this.ln  = 0;
 this.numberformat = 0;
 this.prefix = null;
 this.suffix = null;
 this.spacing= 30;
 this.width = 0;
 this.showpoint = 12;
};

//verticalchart类，继承graph
function verticalchart(){
 graph.call(this);
 this.margin  = new array(300,100,300,200);
 this.axisx  = new axis();
 this.axisy  = new axis();
};
var _p = verticalchart.prototype = new graph;
//画坐标系
_p.drawcoord = function(ocontainer){
 this.axisy.ln = eval(this.height*10 - this.margin[3]) - this.margin[1] - 400;
 var vline = document.createelement("v:line");
 vline.id = "idcoordy";
 vline.from = this.margin[0] +","+ this.margin[1];
 vline.to = this.margin[0] +","+ eval(this.height*10 - this.margin[3]);
 vline.style.zindex = 8;
 vline.style.position = "absolute";
 vline.strokecolor = this.axisy.color;
 vline.strokeweight = 1;

 var vstroke = document.createelement("v:stroke");
 vstroke.startarrow = "classic";

 vline.appendchild(vstroke);