QiHaiFengProgram/js/flowcss/set_main.js

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//--- 图形化设计 ---
var dragapproved = false;
var eventsource,x,y;
var popeventsource = "";
var temp1 = 0;
var temp2 = 0;

function nocontextmenu()
{
 event.cancelBubble = true
 event.returnValue = false;

 return false;
}

//-- 初始化移动参数 --
function nodrags()
{
   dragapproved = false;
}

function move()
{
	if (event.button == 1 && dragapproved)
	{
		var newleft = temp1 + event.clientX - x;
		var newtop = temp2 + event.clientY - y;
		eventsource.style.pixelLeft = newleft;
		eventsource.style.pixelTop = newtop;

		drawLine();

		return false;
	}
}

function drags()
{
  if (event.button != 1)
     return;

	var objRect = event.srcElement;
	if (event.srcElement.tagName.toLowerCase() == 'textbox') objRect = event.srcElement.parentElement;

	if ((objRect.tagName == 'roundrect') && (!event.ctrlKey))
	{
		dragapproved = true;
		eventsource = objRect;
		temp1 = eventsource.style.pixelLeft;
		temp2 = eventsource.style.pixelTop;
		x = event.clientX;
		y = event.clientY;
		document.onmousemove = move;
	}
}

//-- 画线 --
function drawLine()
{
  var source;