工作流程在线编辑
身为一个码农，在家无事想想最近的项目需要用到工作流，由于之前对工作流不太熟悉，在家学习一下petri net经典工作流，然后用html5画出流程图顺便学习一下h5的画图功能，没有做不到只有想不到，一个上午就能弄出一个不错的成果，使用了一个在线开源的画图框架，参考：http://jointjs.com
效果图和源码如下
<!DOCTYPE html>
<html lang="en">
<script>
function addAction() {
var a= new joint.shapes.basic.Rect({
position: { x:0, y: 30 },
size: { width: 50, height: 50 },
attrs: { rect: { fill: 'green','stroke-width': 2, stroke: 'black' }, text: { text: '提交', fill: 'white' } }
});
a.on('batch:start', function(element) {
be(this);
});
graph.addCell(a);
}
function addPlace() {
var r = new joint.shapes.basic.Rect({
position: { x: 0, y: 30 },
size: { width: 100, height: 100 },
attrs: { rect: { fill: 'blue',rx:45,ry:45,'stroke-width': 2, stroke: 'black' }, text: { text: '开始', fill: 'white' } }
});
r.on('batch:start', function(element) {
be(this);
});
graph.addCell(r);
}
function addLink() {
var l = new joint.dia.Link({
source: { x: 170, y: 200 }, target: { x: 480, y: 200 },
attrs: {
// Define a filter for the whole link (special selector '.' means the root element )
'.': { filter: { name: 'dropShadow', args: { dx: 1, dy: 1, blur: 2 } } },
'.connection': {
stroke: 'blue'
},
'.marker-target': { fill: 'black', d: 'M 10 0 L 0 5 L 10 10 z' }
}
});
graph.addCell(l);
}
var obj;
function saveLabel() {
var label=$("#name").val();
obj.attr({text:{text:label}});
}
function be(element) {
obj=element;
$("#name").val(element.attr('text').text);
}
function deleteEl() {
obj.remove();
}
</script>
<head>
<link rel="stylesheet" type="text/css" href="js/joint.css" />
<script src="js/jquery.min.js"></script>
<script src="js/lodash.min.js"></script>
<script src="js/backbone-min.js"></script>
<script src="js/joint.js"></script>
<meta charset="UTF-8">
<title>WF</title>
</head>
<body>
<a href="#" onclick="addLink()" >线</a>
<a href="#" onclick="addPlace()">圆</a>
<a href="#" onclick="addAction()">动作</a>
<input type="text" id="name"/> <input type="button" onclick="saveLabel()" value="更新"/> <input id="eid" type="hidden" >
<input type="button" onclick="deleteEl()" value="删除"/>
<div id="myholder"></div>
<script type="text/javascript">
var graph = new joint.dia.Graph;
var paper = new joint.dia.Paper({
el: $('#myholder'),
width: 600,
height: 200,
model: graph,
gridSize: 1
});
var rect = new joint.shapes.basic.Rect({
position: { x: 100, y: 30 },
size: { width: 100, height: 100 },
attrs: { rect: { fill: 'blue',rx:45,ry:45,'stroke-width': 2, stroke: 'black' }, text: { text: '开始', fill: 'white' } }
});
var action= new joint.shapes.basic.Rect({
position: { x:400, y: 30 },
size: { width: 50, height: 50 },
attrs: { rect: { fill: 'green','stroke-width': 2, stroke: 'black' }, text: { text: '提交', fill: 'white' } }
});
var action2=action.clone();
action2.attr({text: { text: '拒绝'}});
action2.translate(0,100);
var rect2 = rect.clone();
rect2.attr({text: { text: '结束'},rect:{fill:'red'}});
rect2.translate(500);
var link = new joint.dia.Link({
source: { id: rect.id },
target: { id: action.id }
});
link.attr({
'.connection': { stroke: 'blue' },
'.marker-target': { fill: 'black', d: 'M 10 0 L 0 5 L 10 10 z' }
});
var link2= new joint.dia.Link({
source: { id: rect.id },
target: { id: action2.id },
});
var link3= new joint.dia.Link({
source: { id: action.id },
target: { id: rect2.id }
});
var link4= new joint.dia.Link({
source: { id: action2.id },
target: { id: rect2.id }
});
link2.attr({
'.connection': { stroke: 'blue' },
'.marker-target': { fill: 'black', d: 'M 10 0 L 0 5 L 10 10 z' }
});
link3.attr({
'.connection': { stroke: 'blue' },
'.marker-target': { fill: 'black', d: 'M 10 0 L 0 5 L 10 10 z' }
});
link4.attr({
'.connection': { stroke: 'blue' },
'.marker-target': { fill: 'black', d: 'M 10 0 L 0 5 L 10 10 z' }
});
graph.addCells([rect, rect2,action2,action, link,link2,link3,link4]);
var es=graph.getElements();
for(var x in es){
es[x].on('batch:start', function(element) {
be(this);
});
}
var 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posted on 2016-08-13 16:04 HelloHongfu 阅读(697) 评论(0) 收藏 举报
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