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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0,user-scalable=no">
<title>Title</title>
<style>
[role=person] {
fill: rgb(44, 160, 44)
}
[role=event] {
fill: rgb(20, 141, 228)
}
#force {
height: 100%;
width: 100%;
}
#character {
height: 100%;
width: 100%;
}
#relation {
height: 100%;
width: 100%;
}
#intro {
position: absolute;
z-index: 9999;
width: 180px;
height: 210px;
background-color: gainsboro;
left: 5px;
}
#pic {
width: 100%;
text-align: center;
}
img {
width: 80px;
height: 80px;
}
#title {
text-align: center;
}
#intro {
font-size: 10px;
}
#colors {
position: absolute;
z-index: 9999;
right: 0;
}
</style>
<link href="css/bootstrap.min.css" rel="stylesheet">
<script src="js/d3.v4.min.js"></script>
<script src="js/jquery-3.2.1.min.js"></script>
<script src="js/bootstrap.min.js"></script>
</head>
<body>
<nav class="navbar navbar-default" role="navigation">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand">《射雕英雄传》可视化</a>
</div>
</div>
</nav>
<div id="progressBarDiv" style="height: 30px;width: 900px;" class="row">
<div id="progressBar" class="col-sm-11">
</div>
<div id="buttonDiv" class="col-sm-1">
<button id="startButton" class="btn btn-primary btn-sm">开始</button>
</div>
</div>
<div id="chapter_name">
<h2 style="margin-left: 5px">test</h2>
</div>
<div id="twoname">
人物1:
<input type="text" name="fname" />
<button onclick="relaoftwo()">确定</button>
<br> 人物2:
<input type="text" name="sname" />
<button onclick="relationover()">返回</button>
<button onclick="change()" style="margin-left: 10%">变换</button>
</div>
<div id="intro">
<div style="float: right; cursor: pointer;" onclick="$('#intro').hide()">x</div>
<div id="pic">
<img>
</div>
<div id="title"></div>
<div id="content">这是一份简介</div>
</div>
<div id="colors"></div>
<div id="box">
<svg id="force"></svg>
</div>
</body>
<script type="text/javascript">
var progress = 0;
//0暂停，1播放
var status = 0;
var timerID;
var json = new Object();
var chapters = new Array();
var intros = new Object();
var power = new Object();
var levelArray = new Array(1, 0.75, 0.5, 0.25, 0);
var charNumArray = new Array();
var maxCharNum = 0;
var barSVG = d3.select("#progressBar")
.append("svg")
.attr("id", "barSVG")
.attr("height", 30)
.attr("width", 780);
var bookLen = 0;
var groupArray = new Array("宋朝平民", "桃花岛", "金国", "全真教", "江南七怪", "宋朝官员", "宋朝武林（其他门派）", "蒙古", "北方武林", "西域", "丐帮", "大理国");
var thecolor = new Array("green", "pink", "yellow", "red", "purple", "lightskyblue", "lightyellow", "greenyellow", "lightseagreen", "magenta", "slategrey", "orange");
var rectSVG = d3.select('#colors')
.append("svg")
.attr("height", 300)
.attr("width", 150);
for (var i = 1; i <= 12; i++) {
rectSVG.append("rect")
.attr("width", 16)
.attr("height", 8)
.attr("x", 0)
.attr("y", 20 * (i - 1) + 2)
.attr("fill", thecolor[i - 1]);
rectSVG.append("text")
.attr("x", 20)
.attr("y", 20 * (i - 1) + 10)
.style("font-size", 12)
.text(groupArray[i - 1]);
}
// jquery提供的“定时器”，用于同步操作
var t_df = $.Deferred();
//读入event_and_character数据
d3.json('data/event_and_character.json', function (error, jsonData) {
if (error)
throw error;
json = jsonData;
for (var i in json.chapter) {
var tempCharNum = 0;
for (var j in json.chapter[i].event) {
for (var k in json.chapter[i].event[j].character) {
tempCharNum++;
}
}
charNumArray[bookLen++] = tempCharNum;
if (tempCharNum > maxCharNum) {
maxCharNum = tempCharNum;
}
}
d3.json('data/node&link.json', function (error2, data) {
chapters = data.chapter;
d3.json('data/intro.json', function (error3, introdata) {
intros = introdata;
d3.json('data/char_from.json', function (error4, powerdata) {
power = powerdata;
t_df.resolve();
})
});
});
});
// 定时器.done：定义“定时器释放”后的后续操作
function drawforce() {
progress = 0;
$('#barSVG').remove();
barSVG = d3.select("#progressBar")
.append("svg")
.attr("id", "barSVG")
.attr("height", 30)
.attr("width", 780);
barSVG.append("text")
.attr("x", 5)
.attr("y", 25)
.text("章节进度条：");
for (var i = 0; i < bookLen; i++) {
barSVG.append("rect")
.attr("height", 20)
.attr("width", 15)
.attr("x", 100 + i * 15)
.attr("y", 8)
.attr("fill", "white")
.attr("stroke", "black")
.attr("opacity", 0.7)
.attr("stroke-width", 0.5)
.attr("class", "progressBarRect")
.attr("id", function () {
return 'rect' + String(i);
});
}
d3.selectAll('.progressBarRect')
.data(json.chapter);
barSVG.append("text")
.attr("x", 110 + bookLen * 15)
.attr("y", 25)
.text("共" + String(bookLen) + "章");
document.getElementById('chapter_name').innerHTML = '<h2 style="margin-left: 5px">' + json.chapter[0].chap_name + '</h2>';
d3.select('#rect0')
.attr("fill", d3.hsl(206, charNumArray[0] / maxCharNum, 0.5).toString());
d3.select('#startButton')
.on("click", function (d, i) {
//var status = document.getElementById(this.id).className;
//开始推进
if (status == 0) {
status = 1;
d3.select('#startButton')
.attr("class", "btn btn-danger btn-sm")
.text("暂停");
d3.selectAll('.progressBarRect')
.attr("opacity", 0.7)
.attr("active", false);
progress++;
//修改标题
document.getElementById('chapter_name').innerHTML = '<h2 style="margin-left: 5px">'
+ json.chapter[progress].chap_name + '</h2>';
//填充进度条的格子
d3.select('#rect' + String(progress))
.attr("fill", d3.hsl(206, charNumArray[progress] / maxCharNum, 0.5).toString());
//插入更新图谱的函数，更新前取消所有高亮
add(progress)
timerID = setInterval(function () {
if (progress == bookLen) {
alert("已到结局！");
clearInterval(timerID);
d3.select('#startButton')
.text("重来");
}
else {
d3.selectAll('.progressBarRect')
.attr("opacity", 0.7)
.attr("active", false);
progress++;
//修改标题
if (progress < bookLen){
document.getElementById('chapter_name').innerHTML = '<h2 style="margin-left: 5px">'
+ json.chapter[progress].chap_name + '</h2>';
//填充进度条的格子
d3.select('#rect' + String(progress))
.attr("fill", d3.hsl(206, charNumArray[progress] / maxCharNum, 0.5).toString());
//插入更新图谱的函数，更新前取消所有高亮
add(progress);
}
}
}, 1000);
}
else {
status = 0;
if (progress == bookLen) {
if (document.getElementById("force")) {
$("#force").remove();
}
else {
if (document.getElementById("relation")) {
$("#relation").remove();
}
else{
$("#character").remove();
}
}
d3.select('#startButton')
.attr("class", "btn btn-primary btn-sm")
.text("开始");
$("#box").append("<svg id='force'></svg>");
drawforce();
}
else {
d3.select('#startButton')
.attr("class", "btn btn-primary btn-sm")
.text("开始");
clearInterval(timerID);
}
}
});
d3.selectAll('.progressBarRect')
.on("click", function (d, i) {
if (status == 1) {
alert("请在暂停状态下查看每章详情！");
}
else {
var chapID = parseInt(this.id.substring(4));
if (chapID > progress) {
alert("请在该章节内容显示后再查看！");
}
else {
document.getElementById('chapter_name').innerHTML = '<h2 style="margin-left: 5px">'
+ json.chapter[chapID].chap_name + '</h2>';
var active = this.active ? false : true;
if (active) {
d3.select('#' + this.id)
.attr("opacity", 1);
this.active = active;
highlight(chapID)
}
else {
d3.select('#' + this.id)
.attr("opacity", 0.7);
this.active = active;
recover(chapID);
}
}
}
});
var nodes = new Array();
let tmpnodes = chapters[0].node;
for (let i = 0; i < tmpnodes.length; i++) {
let j;
for (j = 0; j < nodes.length; j++) {
if (tmpnodes[i].id == nodes[j].id) {
break;
}
}
if (j >= nodes.length) {
nodes.push(tmpnodes[i]);
}
}
var links = chapters[0].link;
var width = 800;
var height = 500;
var svg = d3.select("#force")
.attr("preserveAspectRatio", "xMidYMid meet")
.attr("viewBox", "0 0 800 500");
var circle_radius = 10;
$("#intro").hide();
$("#title").html("title");
// 通过布局来转换数据，然后进行绘制
var simulation = d3.forceSimulation(nodes)
.force("link", d3.forceLink(links).id(function (d) { return d.id }).distance(50))
.force("charge", d3.forceManyBody().strength(-100))
.force("center", d3.forceCenter(width / 2, height / 2));
var color = d3.scaleOrdinal(d3.schemeCategory20);
// 绘制线
var svg_links = svg.selectAll(".edgepath")
.data(links)
.enter()
.append("path")
.style("stroke", "#ccc")
.style("opacity", 0.5)
.style("stroke-width", 0.5);
//节点对象
var svg_circlenodes = svg.selectAll(".nodecircle")
.data(nodes.filter(node => node.role == "person"))
.enter()
.append("circle")
.attr("r", function (node) {
return node.weight;
})
.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended))
.style("fill", function (node) {
switch (power[node.name]) {
case "宋朝平民":
return "green";
case "桃花岛":
return "pink";
case "金国":
return "yellow";
case "全真教":
return "red";
case "江南七怪":
return "purple";
case "宋朝官员":
return "lightskyblue";
case "宋朝武林（其他门派）":
return "lightyellow";
case "蒙古":
return "greenyellow";
case "北方武林":
return "lightseagreen";
case "西域":
return "magenta";
case "丐帮":
return "slategrey";
case "大理国":
return "orange";
}
})
.on("click", function (node) {
if ($("#title").html() == node.name) {
svg_links.style("stroke-width", 0.5)
.style("stroke", "#ccc");
link_text.style("visibility", "hidden");;
$("#intro").hide();
$("#title").html("title");
return;
}
svg_links.style("stroke-width", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return 1;
} else {
return 0.5;
}
})
.style("stroke", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "red";
} else {
return "#ccc";
}
});
link_text.style("visibility", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "visible";
} else {
return "hidden";
}
});
$("img").attr('src', "pic/" + node.name + ".jpg").show();
$("#title").html(node.name);
$("#content").html(intros[node.name]);
$("#intro").show();
});
var svg_rectnodes = svg.selectAll(".noderect")
.data(nodes.filter(node => node.role == "event"))
.enter()
.append("rect")
.attr("width", function (node) {
return node.weight;
})
.attr("height", function (node) {
return node.weight;
})
.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended))
.on("click", function (node) {
if ($("#title").html() == node.name) {
svg_links.style("stroke-width", 0.5)
.style("stroke", "#ccc");
link_text.style("visibility", "hidden");
$("#intro").hide();
$("#title").html("title");
return;
}
svg_links.style("stroke-width", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return 1;
} else {
return 0.5;
}
})
.style("stroke", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "red";
} else {
return "#ccc";
}
});
link_text.style("visibility", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "visible";
} else {
return "hidden";
}
});
$("img").hide();
$("#title").html(node.name);
$("#content").html(intros[node.name]);
$("#intro").show();
});
function dragstarted(d) {
if (!d3.event.active) simulation.alphaTarget(0.3).restart();
d.fx = d.x;
d.fy = d.y;
}
function dragged(d) {
d.fx = d3.event.x;
d.fy = d3.event.y;
}
function dragended(d) {
if (!d3.event.active) simulation.alphaTarget(0);
d.fx = null;
d.fy = null;
}
//连线描述
var link_text = svg.selectAll(".edgepath")
.data(links)
.enter()
.append("text")
.style("fill", "#000")
.style("font-size", 5)
.style("visibility", "hidden")
.text(function (d) { return d.rela; });
//节点描述
var svg_text = svg.selectAll(".nodecircle,.noderect")
.data(nodes)
.enter()
.append("text")
.style("fill", "#000")
.style("font-size", 7)
.style("cursor", "default")
.style("pointer-events", "none")
.attr("dominant-baseline", "middle")
.attr("text-anchor", "middle")//在圆圈中加上数据
/*.attr("dy", "0.3em")
.attr("x", function (d) {
if (d.name.length <= 4) {
d3.select(this).append('tspan')
.text(function () { return d.name; });
} else {
let top = d.name.slice(0, Math.ceil(d.name.length / 2));
let bottom = d.name.slice(Math.ceil(d.name.length / 2), d.name.length);
d3.select(this).append('tspan')
.attr("x", 0)
.attr("y", -4)
.text(function () { return top; });
d3.select(this).append('tspan')
.attr("x", 0)
.attr("y", 6)
.text(function () { return bottom; });
}
})*/
.text(function (d) { return d.name; })
.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended));
function draw() {
svg_circlenodes
.attr("cx", function (d) { return d.x; })
.attr("cy", function (d) { return d.y; })
.attr("role", function (d) {
return d.role;
});
svg_rectnodes
.attr("x", function (d) { return d.x - d.weight / 2; })
.attr("y", function (d) { return d.y - d.weight / 2; })
.attr("role", function (d) {
return d.role;
});
svg_text//.attr("transform", (d) => { return "translate(" + d.x + "," + d.y + ")"; });
.attr("x", function (d) { return d.x; })
.attr("y", function (d) { return d.y; });
svg_links
.attr("d", function (d) {
let length = Math.sqrt(Math.pow((d.source.x - d.target.x), 2) + Math.pow((d.source.y - d.target.y), 2));
let flag = (Math.abs(d.source.x - d.target.x) > Math.abs(d.source.y - d.target.y));
let proportion = Math.abs(d.source.x - d.target.x) / Math.abs(d.source.y - d.target.y);
let xchanges, xchanget, ychanges, ychanget;
if (d.source.role == "person") {
xchanges = (d.source.weight / length) * (d.target.x - d.source.x);
ychanges = (d.source.weight / length) * (d.target.y - d.source.y);
} else {
if (flag) {
xchanges = d.source.weight / 2;
ychanges = (d.source.weight / 2) / proportion;
} else {
xchanges = (d.source.weight / 2) * proportion;
ychanges = d.source.weight / 2;
}
if (d.source.x > d.target.x) {
xchanges = -xchanges;
}
if (d.source.y > d.target.y) {
ychanges = -ychanges;
}
}
if (d.target.role == "person") {
xchanget = (d.target.weight / length) * (d.target.x - d.source.x);
ychanget = (d.target.weight / length) * (d.target.y - d.source.y);
} else {
if (flag) {
xchanget = d.target.weight / 2;
ychanget = (d.target.weight / 2) / proportion;
} else {
xchanget = (d.target.weight / 2) * proportion;
ychanget = d.target.weight / 2;
}
if (d.source.x > d.target.x) {
xchanget = -xchanget;
}
if (d.source.y > d.target.y) {
ychanget = -ychanget;
}
}
return 'M ' + (d.source.x + xchanges) + ' ' + (d.source.y + ychanges) + ' L ' + (d.target.x - xchanget) + ' ' + (d.target.y - ychanget);
})
.attr("marker-end", "url(#resolved)");
link_text
.attr("x", function (d) { return (d.source.x + d.target.x - 10) / 2; })
.attr("y", function (d) { return (d.source.y + d.target.y) / 2; });
}
simulation.on("tick", draw);
svg.call(d3.zoom().scaleExtent([0.05, 8]).on('zoom', () => {
// 保存当前缩放的属性值
var transform = d3.event.transform;
svg_circlenodes.attr('transform', transform);
svg_rectnodes.attr('transform', transform);
svg_links.attr("transform", transform);
svg_text.attr("transform", transform);
link_text.attr("transform", transform);
})).on('dblclick.zoom', null);
//动态添加节点
function add(progress) {
let tmpnodes = chapters[progress].node;
for (let i = 0; i < tmpnodes.length; i++) {
let j;
for (j = 0; j < nodes.length; j++) {
if (tmpnodes[i].id == nodes[j].id) {
nodes[j].weight = tmpnodes[i].weight;
break;
}
}
if (j >= nodes.length) {
nodes.push(tmpnodes[i]);
}
}
links = links.concat(chapters[progress].link);
svg_rectnodes.style("opacity", function (node) {
if (node.role == "event") {
if (node.opacity > 0.5) {
node.opacity = node.opacity * 0.95;
}
return node.opacity;
}
});
svg_text.style("opacity", function (node) {
if (node.role == "event") {
if (node.opacity > 0.5) {
node.opacity = node.opacity * 0.95;
}
return node.opacity;
}
});
svg_circlenodes.attr("r", function (node) { return node.weight; })
restart()
}
function restart() {
// Apply the general update pattern to the nodes.
// Apply the general update pattern to the links.
svg_links = svg_links
.data(links)
.enter()
.append("path")
.style("stroke", "#ccc")
.style("opacity", 0.5)
.style("stroke-width", 0.5)
.merge(svg_links);
svg_circlenodes = svg_circlenodes
.data(nodes.filter(node => node.role == "person"))
.enter()
.append("circle")
.attr("r", function (node) {
return node.weight;
})
.merge(svg_circlenodes).call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended))
.style("fill", function (node) {
switch (power[node.name]) {
case "宋朝平民":
return "green";
case "桃花岛":
return "pink";
case "金国":
return "yellow";
case "全真教":
return "red";
case "江南七怪":
return "purple";
case "宋朝官员":
return "lightskyblue";
case "宋朝武林（其他门派）":
return "lightyellow";
case "蒙古":
return "greenyellow";
case "北方武林":
return "lightseagreen";
case "西域":
return "magenta";
case "丐帮":
return "slategrey";
case "大理国":
return "orange";
default:
return "tan";
}
})
.on("click", function (node) {
if ($("#title").html() == node.name) {
svg_links.style("stroke-width", 0.5)
.style("stroke", "#ccc");
link_text.style("visibility", "hidden");;
$("#intro").hide();
$("#title").html("title");
return;
}
svg_links.style("stroke-width", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return 1;
} else {
return 0.5;
}
})
.style("stroke", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "red";
} else {
return "#ccc";
}
});
link_text.style("visibility", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "visible";
} else {
return "hidden";
}
});
$("img").attr('src', "pic/" + node.name + ".jpg").show();
$("#title").html(node.name);
$("#content").html(intros[node.name]);
$("#intro").show();
});
svg_rectnodes = svg_rectnodes
.data(nodes.filter(node => node.role == "event"))
.enter()
.append("rect")
.attr("width", function (node) {
return node.weight;
})
.attr("height", function (node) {
return node.weight;
})
.merge(svg_rectnodes).call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended))
.on("click", function (node) {
if ($("#title").html() == node.name) {
svg_links.style("stroke-width", 0.5)
.style("stroke", "#ccc");
link_text.style("visibility", "hidden");;
$("#intro").hide();
$("#title").html("title");
return;
}
svg_links.style("stroke-width", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return 1;
} else {
return 0.5;
}
})
.style("stroke", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "red";
} else {
return "#ccc";
}
});
link_text.style("visibility", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "visible";
} else {
return "hidden";
}
});
$("img").hide();
$("#title").html(node.name);
$("#content").html(intros[node.name]);
$("#intro").show();
});
//节点描述
svg_text = svg_text
.data(nodes)
.enter()
.append("text")
.style("fill", "#000")
.style("font-size", 7)
.style("cursor", "default")
.style("pointer-events", "none")
.attr("dominant-baseline", "middle")
.attr("text-anchor", "middle")//在圆圈中加上数据
/*.attr("dy", "0.3em")
.attr("x", function (d) {
if (d.name.length <= 4) {
d3.select(this).append('tspan')
.text(function () { return d.name; });
} else {
let top = d.name.slice(0, Math.ceil(d.name.length / 2));
let bottom = d.name.slice(Math.ceil(d.name.length / 2), d.name.length);
d3.select(this).append('tspan')
.attr("x", 0)
.attr("y", -4)
.text(function () { return top; });
d3.select(this).append('tspan')
.attr("x", 0)
.attr("y", 6)
.text(function () { return bottom; });
}
})*/
.text(function (d) { return d.name; })
.merge(svg_text)
.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended));
link_text = link_text
.data(links)
.enter()
.append("text")
.style("fill", "#000")
.style("font-size", 5)
.style("visibility", "hidden")
.text(function (d) { return d.rela; })
.merge(link_text);
// svg_text = svg_text.data()
// Update and restart the simulation.
simulation.nodes(nodes);
simulation.force("link").links(links);
simulation.alpha(0.3).restart();
$("#force").trigger("zoom");
}
function highlight(id) {
let ids = [];
chapters[id].node.forEach(element => {
if (ids.indexOf(element.id) < 0) {
ids.push(element.id);
}
});
for (let i = 0; i < nodes.length; i++) {
if (ids.indexOf(nodes[i].id) >= 0) {
if (nodes[i].selected) {
nodes[i].selected++;
} else {
nodes[i].selected = 1;
}
}
}
svg_rectnodes
.style("opacity", function (node) {
if (node.selected > 0) {
return 1;
} else {
return 0.1;
}
})
.on("click", function (node) {
if (ids.indexOf(node.id) < 0) {
return;
}
if ($("#title").html() == node.name) {
svg_links.style("stroke-width", 0.5)
.style("stroke", "#ccc");
link_text.style("visibility", "hidden");;
$("#intro").hide();
$("#title").html("title");
return;
}
svg_links.style("stroke-width", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return 1;
} else {
return 0.5;
}
})
.style("stroke", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "red";
} else {
return "#ccc";
}
});
link_text.style("visibility", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "visible";
} else {
return "hidden";
}
});
$("img").attr('src', "pic/" + node.name + ".jpg").show();
$("#title").html(node.name);
$("#content").html(intros[node.name]);
$("#intro").show();
});
svg_text.style("opacity", function (node) {
if (node.selected > 0) {
return 1;
} else {
return 0.1;
}
});
svg_circlenodes
.style("opacity", function (node) {
if (node.selected > 0) {
return 1;
} else {
return 0.1;
}
})
.on("click", function (node) {
if ($("#title").html() == node.name) {
svg_links.style("stroke-width", 0.5)
.style("stroke", "#ccc");
link_text.style("visibility", "hidden");;
$("#intro").hide();
$("#title").html("title");
return;
}
svg_links.style("stroke-width", function (line) {
if ((line.source.id == node.id || line.target.id == node.id) && ids.indexOf(line.target.id) >= 0 && ids.indexOf(line.source.id) >= 0) {
return 1;
} else {
return 0.5;
}
})
.style("stroke", function (line) {
if ((line.source.id == node.id || line.target.id == node.id) && ids.indexOf(line.target.id) >= 0 && ids.indexOf(line.source.id) >= 0) {
return "red";
} else {
return "#ccc";
}
});
link_text.style("visibility", function (line) {
if ((line.source.id == node.id || line.target.id == node.id) && ids.indexOf(line.target.id) >= 0 && ids.indexOf(line.source.id) >= 0) {
return "visible";
} else {
return "hidden";
}
});
if (ids.indexOf(node.id) >= 0) {
$("img").attr('src', "pic/" + node.name + ".jpg").show();
$("#title").html(node.name);
$("#content").html(intros[node.name]);
$("#intro").show();
}
})
}
function recover(id) {
let ids = [];
let flag = 0;
chapters[id].node.forEach(element => {
if (ids.indexOf(element.id) < 0) {
ids.push(element.id);
}
});
for (let i = 0; i < nodes.length; i++) {
if (ids.indexOf(nodes[i].id) >= 0) {
nodes[i].selected--;
}
}
for (let i = 0; i < nodes.length; i++) {
if (nodes[i].selected > 0) {
flag = 1;
}
}
svg_rectnodes
.style("opacity", function (node) {
if (flag) {
if (node.selected > 0) {
return 1;
} else {
return 0.1;
}
} else {
return node.opacity;
}
})
.on("click", function (node) {
if ($("#title").html() == node.name) {
svg_links.style("stroke-width", 0.5)
.style("stroke", "#ccc");
link_text.style("visibility", "hidden");;
$("#intro").hide();
$("#title").html("title");
return;
}
svg_links.style("stroke-width", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return 1;
} else {
return 0.5;
}
})
.style("stroke", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "red";
} else {
return "#ccc";
}
});
link_text.style("visibility", function (line) {
if (line.source.id == node.id || line.target.id == node.id) {
return "visible";
} else {
return "hidden";
}
});
$("img").attr('src', "pic/" + node.name + ".jpg").show();
$("#title").html(node.name);
$("#content").html(intros[node.name]);
$("#intro").show();