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js-graph-it的一个小demo

2015-06-15 14:06 495 查看
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<title> New Document </title>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>

<meta name="Generator" content="EditPlus">

<meta name="Author" content="">

<meta name="Keywords" content="">

<meta name="Description" content="">

<script type="text/javascript" src="js-graph-it.js"></script>

<link rel="stylesheet" type="text/css" href="js-graph-it.css" />

<link rel="stylesheet" type="text/css" href="sf-homepage.css" />

<script>

function onLoad(){

resizeCanvas();

initPageObjects();

}

/**

* Resizes the main canvas to the maximum visible height.

*/

function resizeCanvas()

{

var divElement = document.getElementById("mainCanvas");

var screenHeight = window.innerHeight || document.body.offsetHeight;

divElement.style.height = (screenHeight - 16) + "px";

}

</script>

</head>

<body onload="onLoad()">

<div id="mainCanvas" class="canvas" style="width: 100%; height: 500px;">

<!-- h1和h2两个对象 -->

<h1 id="aaa" class="block draggable" style="left: 30px; top: 30px;">aaaa</h1>

<h2 id="one" class="block draggable" style="left: 130px; top: 130px;">one</h2>

<!--连接两个对象的连接线,用css来表示,up_start;down_start;right_start;left_start-->

<div class="connector aaa one down_start">

<img class="connector-end" src="arrow.gif">

</div>

<!--表示有两条线要从这个对象出去,连接不同的两的对象 -->

<div id="description2_block" class="block draggable" style="left: 350px; top: 300px; ">

totle

<div id="description2_out1" class="block dock_point" style="right: -2px; top: 20%;"></div>

<div id="description2_out2" class="block dock_point" style="right: -2px; top: 80%;"></div>

</div>

<div id="no_js_code_block" class="block draggable" style="left: 580px; top: 200px; ">

one

</div>

<div class="connector description2_out1 no_js_code_block right_start">

<img class="connector-end" src="arrow.gif">

</div>

<div id="drag_and_drop_block" class="block draggable" style="left: 580px; top: 340px; ">

two

</div>

<div class="connector description2_out2 drag_and_drop_block right_start">

<img class="connector-end" src="arrow.gif">

</div>

<!--两个对象的相互连接 -->

<div id="a" class="block draggable" style="left: 230px; top: 230px; ">

aaaaaa

<div id="a1" class="block dock_point" style="right: -2px; top: 20%;"></div>

<div id="a2" class="block dock_point" style="right: -2px; top: 80%;"></div>

</div>

<div id="b" class="block draggable" style="left: 330px; top: 330px; ">

bbbbbb

<div id="b1" class="block dock_point" style="left: -2px; top: 20%;"></div>

<div id="b2" class="block dock_point" style="left: -2px; top: 100%;"></div>

</div>

<div class="connector a1 b1 right_start">

<img class="connector-end" src="arrow.gif">

</div>

<div class="connector b2 a2 down_start">

<img class="connector-end" src="arrow.gif">

</div>

<p class="block" style="position: absolute; bottom: 2px; right: 2px;">tested on Internet Explorer 6, Mozilla Firefox 1.0 and 1.5, Opera 9.01</p>

</div>

</body>

</html>
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