embedded_com - introduction to uml statecharts.htm

来自www.Embedded_com的文章

        return lyrtxt;
        }
function MenuItem(label,action)
        {
        this.LABEL      =label  ;
        this.ACTION     =action ;
        this.SUB        =this.ACTION.substring(0,1)=="@";
        this.RENDER     =""     ;
        }
function MenuListAPPEND(label,action)   //Appends an item to the menuobject
        {
        this.Items[this.Items.length]=new MenuItem(label,action);
        if(label.length>this.greatestCharWidth)this.greatestCharWidth=label.length;
        }
function menuPop(tobj,imgId,imgSrc) //Pops up menu relative to <A> tag location on screen.
        {
        if ((imgId)&&(imgSrc))imgSwap(imgId,imgSrc);
        objectName=tobj.href.substring(tobj.href.lastIndexOf("/")+1);
        if(objectName.indexOf(".html")>-1)objectName=objectName.substring(0,objectName.indexOf("."))
//      if(!menuCurrentPath)return;
        if(menuCurrentPath.indexOf(":"+objectName+":")==0)return false;
        if(menuCurrentPath.length>0)menuPOPDN();
if(szDuds.indexOf(navigator.userAgent)>-1)
{
if(tobj.href.indexOf(".html")==-1)tobj.href+=".html";
return true;
}

        if(navigator.appVersion.indexOf("MSIE")>-1&&navigator.appVersion.indexOf("Mac")>-1)
          {// compatible mac
          if(tobj.href.indexOf(".html")==-1)tobj.href+=".html";
          return true;
          }

        this.MX=((systemIsNS)?(tobj.x):window.event.clientX-window.event.offsetX+tobj.offsetLeft);
        this.MY=((systemIsNS)?(tobj.y):window.event.clientY-window.event.offsetY+tobj.offsetTop);
        if(!systemIsNS)MSIEmeasure(tobj,this);    
        this.MY+=menuYpopoff;
        this.MX+=menuXpopoff;
        menuPOPUP(this.MX,this.MY,objectName);
        menuTimeOut=setTimeout("menuPOPDN()",menuAtimeout);
        return false;
        }
function menuPOPUP(x,y,menulist)        //*** Opens named menu at given location
        {
        var DL=eval(menulist);
        if(!DL){alert("menuPOPUP NULL "+menulist);return;}
        menuSHOW(menulist,x,y);
        if(!menuScreenWidth)
          menuScreenWidth=(systemIsNS)?document.width:document.body.offsetWidth;
        mkw=(DL.greatestCharWidth*menuCharWidth)+10;
        var atX = ((x+mkw+20)>=menuScreenWidth)?x-mkw:x;
        if(jsLAYERgetX(DL.mPANEL)!=atX)menuXY(DL,atX,y);
        }
function menuCREATE(szMlist,iLeft,iTop)
        {
        Left= 20;Top = 40;
        if(menuCREATE.arguments.length>1)Left=iLeft;
        if(menuCREATE.arguments.length>2)Top=iTop;
        Mlist=eval(szMlist);
        if(Mlist.mPANEL ==null)
          {
          Mlist.mPANEL=new jsMPANELclass(szMlist,0,"Hello","alert('hi')",Left,Top,((Mlist.greatestCharWidth+10)*menuCharWidth)+1,((menuCharHeight+1)*Mlist.Items.length)+1);
          Mlist.mPANEL.mParent=Mlist;
          var menuContent='';
          menuContent='<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR><TD>';
          for(x=0;x<Mlist.Items.length;x++)
           {
           menuContent+=menuLABEL(Mlist.mPANEL,Mlist.Items[x].LABEL,false,Mlist.Items[x].SUB);
           Mlist.Items[x].RENDER=menuLABEL(Mlist.mPANEL,Mlist.Items[x].LABEL,true,Mlist.Items[x].SUB);
           }
        menuContent+='</TD><TD BGCOLOR="#000000">&nbsp;</TD>';
        menuContent+="</TR><TR><TD COLSPAN=2>&nbsp;</TD></TR></TABLE>";
//alert(menuContent);
          jsLAYERsetContent(Mlist.mPANEL,menuContent);
          }
        if(Mlist.mSELECT==null)
          {
          Mlist.mSELECT=new jsMSELECTclass(szMlist,1,"Hello","alert('hi')",Left,Top,(Mlist.greatestCharWidth+10)*menuCharWidth,menuCharHeight);
          Mlist.mSELECT.mParent=Mlist;
          jsLAYERsetContent(Mlist.mSELECT,Mlist.Items[0].RENDER);
          }
        }

function menuSHOW(szMlist,iLeft,iTop)   // SHOW the menu
        {
        Left= 20;Top = 40;
        if(menuSHOW.arguments.length>1)Left=iLeft;
        if(menuSHOW.arguments.length>2)Top=iTop;
        Mlist=eval(szMlist);
        if(Mlist.mPANEL==null)menuCREATE(szMlist,iLeft,iTop);
        if(jsLAYERgetX(Mlist.mPANEL)!=Left || jsLAYERgetY(Mlist.mPANEL)!=Top)
            {
            jsLAYERxy(Mlist.mPANEL,Left,Top)   
            jsLAYERxy(Mlist.mSELECT,Left,Top+(Mlist.EntryNum*(menuCharHeight+1)));
            }; 
        if(menuCurrentPath.indexOf(":"+szMlist+":")<0)menuCurrentPath+=((menuCurrentPath.length)?"":":")+szMlist+":";

        if(Mlist.mPANEL.style.clip&&!systemIsNS)
          {
          Clips= Mlist.mPANEL.style.clip.split("rect(")[1].split(")")[0].split("px")
          Clips[2]=Mlist.Items.length * (menuCharHeight+1);
          Mlist.mPANEL.style.clip = "rect("+Array(0,Clips[1],Clips[2],0).join("px ")+"px)";
          Mlist.mPANEL.style.zIndex=5;
          Mlist.mSELECT.style.zIndex=6;
          }
        Mlist.mPANEL.style.visiblity='visible';
//alert(Mlist.Items.length +" Item(s) "+ Mlist.mPANEL.style.clip);
        jsLAYERshow(Mlist.mPANEL,true);
        jsLAYERshow(Mlist.mSELECT,true);
        }
function menuHIDE(szMlist)      //  Hides the named menu
        {
        Mlist=eval(szMlist);
        jsLAYERshow(Mlist.mSELECT,false);
        jsLAYERshow(Mlist.mPANEL,false);
        }
function menuXY(Mlist,x,y)      // Moves the referenced menu
        {
        jsLAYERxy(Mlist.mPANEL,x,y)
        jsLAYERxy(Mlist.mSELECT,x,y+(Mlist.EntryNum*(menuCharHeight+1)));
        }
function menuPOPDN(treeList)    // closes a list of menus
        {
        if(menuTimeOut)clearTimeout(menuTimeOut);
        if(menuPOPDN.arguments.length<1)treeList=menuCurrentPath;
        while(treeList.length>1)
             {          
             killboy =treeList.substring(1);
             killboy =killboy.substring(0,killboy.indexOf(":"));
             treeList=treeList.substring(killboy.length+1);
             menuHIDE(killboy);
             }
        if(menuPOPDN.arguments.length<1)menuCurrentPath="";
        };
/*
** MAIN MENU OBJECT
*/
var mSELECT=null;
function MenuList(Mlist)
        {
        this.mPANEL=null;this.mSELECT=null;
        this.Items=new Array();this.EntryNum=0;
        this.APPEND=MenuListAPPEND;
        this.greatestCharWidth=0;
        }

/*      Function        :MSIEmeasure
**      Since I have found no straight forward method of obtaining IE x,y
**      coords for the clicked link, this function recurses up the object tree
**      to measure the screen location of the <A> involved
*/
function MSIEmeasure(btobj,HB)
        {
        var tobj=btobj;
        HB.MX=tobj.offsetLeft;
        HB.MY=tobj.offsetTop;
        while(tobj.parentElement)
          {
          if(!tobj.parentElement)break;
          tobj = tobj.parentElement;
//        if(tobj.tagName=="TABLE")
          if(String(":TABLE:TD:DIV:").indexOf(":"+tobj.tagName+":")>-1)
            {
            HB.MX+=tobj.offsetLeft;
            HB.MY+=tobj.offsetTop;
            }
          if(!tobj.parentElement)break;
          if(tobj.parentElement.tagName=="BODY")break;
          }
        return ;
        }
/****************************************
** A message window                     *
*****************************************/
var StatusMsgWin=null;
function jsMESSAGEclass(group,entry,x,y,w,h)
        {
        this.lyrName            =group+entry;
        if(!document.all[this.lyrName])jsLAYERcreateLayer(this,x,y,w,h,"#FFFFCC");
        jsLAYERsetHandler(this,"jsNULLvector");
        jsLAYERshow(this,true);
        this.jsLAYERobject.GROUP=group;this.jsLAYERobject.ENTRY=entry;
        }
/*
** Set the contents of the message window;
*/
function jsStatusMsg(txtMESSAGE)
        {
        if(!StatusMsgWin)
          {
          StatusMsgWin= new jsMESSAGEclass("E",1,1,1,355,100);
          jsLAYERshow(StatusMsgWin,true);
          }
        jsLAYERsetContent(StatusMsgWin,txtMESSAGE);
        }
var LIBLOADEDJSmenu=true;
//systemLibCnt++; 


      

  

</SCRIPT>
<!-- /menu.js --><!-- <body bgcolor="#ffffff" link="#0000ff" vlink="#63399"> -->
<META content="MSHTML 6.00.2800.1264" name=GENERATOR></HEAD>
<BODY text=#000000 vLink=#999999 aLink=#6699cc link=#336699 bgColor=white 
leftMargin=0 topMargin=0 rightMargin=0 marginheight="0" marginwidth="0"><FONT 
face=verdana,georgia,arial,sans-serif size=2>
<TABLE cellSpacing=0 cellPadding=0 width=780 border=0>
  <TBODY>
  <TR bgColor=#666699>
    <TD vAlign=bottom align=left bgColor=#666699 rowSpan=2><A 
      href="http://www.embedded.com/"><IMG height=119 
      src="Embedded_com - Introduction to UML statecharts.files/embedded_top.jpg" 
      width=302 border=0></A><BR></TD>
    <TD vAlign=top align=middle bgColor=#666699 colSpan=2><!-- http://as.cmpnet.com/html.ng/affiliate=embedded&pagepos=top&site=electronics&server=atg&target=/showArticle.jhtml --><A 
      href="http://as.cmpnet.com/event.ng/Type=click&amp;FlightID=18121&amp;AdID=28395&amp;TargetID=683&amp;Segments=862,885,1411,3108,3448&amp;Targets=683,786,2625,2878&amp;Values=34,46,51,63,77,82,92,100,140,203,304,309,442,451,1184,1311,1388,1716,1785,1901,1925,1970,2299,2310&amp;RawValues=IP,66.77.24.68,&amp;Redirect=http://www.esconline.com/eUSA/redirect/0001.htm" 
      target=_top><IMG height=60 alt="" 
      src="Embedded_com - Introduction to UML statecharts.files/eUSA_468x60.gif" 
      width=468 border=0></A><IMG height=1 
      src="Embedded_com - Introduction to UML statecharts.files/dcfc.gif" 
      width=1 border=0> </TD></TR>
  <TR>
    <TD vAlign=bottom align=right bgColor=#666699><IMG height=50 hspace=0 
      src="Embedded_com - Introduction to UML statecharts.files/blend_top.gif" 
      width=387 border=0><BR></TD>
    <TD vAlign=bottom align=right width=91 bgColor=#666699 height=50><A 
      href="http://www.eetnetwork.com/"><IMG height=50 hspace=0 
      src="Embedded_com - Introduction to UML statecharts.files/eetnetworklogo.gif" 
      width=91 border=0></A><BR></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=1 cellPadding=0 width=780 border=0>
  <TBODY>
  <TR bgColor=#333366><!-- TopNav.html -->
    <TD align=middle width=130><A href="http://www.eeproductcenter.com/"><IMG 
      height=16 alt=eeProductCenter 
      src="Embedded_com - Introduction to UML statecharts.files/eepc.gif" 
      width=111 border=0></A></TD>
    <TD align=middle width=130><A href="http://www.embedded.com/"><IMG 
      height=16 alt=Home 
      src="Embedded_com - Introduction to UML statecharts.files/home.gif" 
      width=42 border=0></A></TD>
    <TD align=middle width=130><A 
      href="http://www.eetimesnetwork.com/register/newsletters.jhtml"><IMG 
      height=16 alt="Sign up for newletters" 
      src="Embedded_com - Introduction to UML statecharts.files/register.gif" 
      width=100 border=0></A></TD>
    <TD align=middle width=130><A 
      href="http://www.embedded.com/contact.htm"><IMG height=16 alt=Contact 
      src="Embedded_com - Introduction to UML statecharts.files/about.gif"