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55-绘图雏形-06-legend.html
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55-绘图雏形-06-legend.html
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<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" type="text/css" href="svg270/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="svg270/themes/icon.css">
<script type="text/javascript" src="svg270/jquery.min.js"></script>
<script type="text/javascript" src="svg270/jquery.easyui.min.js"></script>
<script src="svg270/svg.min.js"></script>
<script src="svg270/svg.panzoom.min.js"></script>
<script src="svg270/svg.draggable.min.js"></script>
<link rel="stylesheet" type="text/css" href="svg270/svg.select.css">
<script src="svg270/svg.select.js"></script>
<script src="svg270/svg.resize.js"></script>
</head>
<style>
ul li{
margin-bottom: 20px;
cursor: pointer;
}
</style>
<body>
<div style="border-bottom: 1px solid gray;">我是一个画布视窗</div>
底图透明度：<div id="id_image_opacity" style="width:200px"></div>
<div id="drawing" style="float:left;">
</div>
<div style="float: left;margin-left: 10px;">
<a href="#">我是图例库</a>
<div style="width:100px;height:500px;border:1px solid green;">
<ul id="legend-list">
<li value="0" draggable="true">设备1</li>
<li value="1" draggable="true">设备2</li>
<li value="#" >管线</li>
<li value="2" draggable="true">仪表</li>
<li value="3" draggable="true">阀门</li>
<li value="4" draggable="true">设备1-备注</li>
</ul>
</div>
</div>
</body>
<script>
// 这里是整个视窗和最外层的<svg>是一致的
var drawimgWidth = 1000;
var drawingHeight = 600;
$("#drawing").css({
border: "2px solid rosybrown",
width: drawimgWidth + "px",
height: drawingHeight + "px",
});
var draw = SVG('drawing').size(drawimgWidth, drawingHeight)
// pan and zoom
draw.panZoom({ zoomMin: 0.01, zoomMax: 100 });;
//这是底图的测试图片
var imageWidth = 800;
var imageHeight = 600;
var image = draw.image('svg270/1.jpeg', imageWidth, imageHeight);
//灰度调整区域
// var imgArea = draw.group().style({ cursor: 'pointer', fill: '#fff' }).style("fill-opacity", 0.3);
var imgArea = draw.group().style({ fill: '#fff' }).style("fill-opacity", 0.3);
imgArea.add(image);
imgArea.rect(imageWidth, imageHeight);
//图例加入拖拽
// setTimeout(function(){
// $("g").each(function(){
// this.instance.draggable();
// })
// },1000)
btn();
loadAllLegends();
function btn() {
//底图透明度按钮
$('#id_image_opacity').slider({
mode: 'h', //声明滚动条类型。可用值有：'h'(水平)、'v'(垂直)。
min: 0,
max: 1,
step: 0.01,
value:0.3,
tipFormatter: function (value) {
return value + '%';
},
onChange: function (newValue, oldValue) {
imgArea.style("fill-opacity", newValue);
console.log(newValue);
}
});
}
var currentDragLegendText = null;
/**
* 加载图例
*/
function loadAllLegends(){
var arr = ["sb1","sb2","yb","fm","sb1-note"];
$("#legend-list li").each(function(){
var _this = this;
var v = $(this).attr("value");
if(v=="#"){
return;
}
var url = "./svg270/legend/"+arr[parseInt(v)]+".svg";
loadLegendByUrl(url,function(text){
// console.log(text);
$(_this).data("svgData",text);
})
$(this).click(function(){
// var v= $(_this).data("svgData");
// console.log(v);
})
//拖拽时，离开容器范围时触发
$(this).on("dragstart",function(e){
var v= $(_this).data("svgData");
currentDragLegendText = v;
}).on("dragover",function(e){
return false;
})
})
//放置图例时的触发事件
$("#drawing").on("drop",function(e){
var x = e.offsetX;
var y = e.offsetY;
console.log(x+"---"+y);
// console.log(currentDragLegendText);
if(!currentDragLegendText){
return;
}
// console.log(currentDragLegendText);
draw.svg(currentDragLegendText);
var a = SVG.get("layer1").attr("id",createUUID()).translate(x,y);
//记录血的教训：必须指定 fill 颜色;不然 fill=none 时 ，移动时必须选中边框才能移动
a.draggable();
a.click(function(){
this.attr("stroke",getRandomColor());
})
}).on("dragover",function(e){
return false;
})
}
/**
* 加载图例
*/
function loadLegendByUrl(url,callback){
$.post(url, {}, function (data) {
if($.isFunction(callback)){
callback(data);
}
}, "text");
}
function createUUID(){
var x= 13*Math.floor(Math.random()*1000)+"-"+7*Math.floor(Math.random()*100);
return "id_"+x;
}
/**
* 生成随机颜色
*/
function getRandomColor(){
var x= Math.floor(Math.random()*9)+""+Math.floor(Math.random()*9)+""+Math.floor(Math.random()*9);
return "#"+x;
}
</script>
</html>