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helloD3.v2.html
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helloD3.v2.html
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<!DOCTYPE html>
<meta charset="utf-8">
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.17/d3.min.js"></script>
<style>
div {
background: linear-gradient(to bottom, #ffff66 0%, #ff6600 100%);
}
#footer {
position: fixed;
padding: -10px -10px -10px -10px;
bottom: 0;
width: 100%;
height: 35px;
background: grey;
}
path.link {
fill: none;
stroke: #666;
stroke-width: 1.5px;
}
path.link.searchresult {
opacity: 0.25;
stroke:red;
stroke.width:1.5px;
}
path.link.cureplant {
opacity: 0.25;
stroke:green;
stroke.width: 1px;
}
circle {
fill:#ccc;
stroke: #fff;
stroke-width: 1.5px;
}
text {
fill: #000;
font: 10px sans-serif;
pointer-events: none;
}
table {
border-collapse: collapse;
width: 50%;
height: 30%;
font: 10px sans-serif;
margin-left: 10%;
}
th, td {
padding: 8px;
text-align: left;
border-bottom: 1px solid #ddd;
}
tr:nth-child(even) {
background-color: rgba(150, 212, 212, 0.4);
}
th:nth-child(even),td:nth-child(even) {
background-color: rgba(150, 212, 212, 0.4);
}
.right {
font-family: "Helvetica", Sans-Serif;
background-color: #e5e5e5;
float: right;
width: 30%;
height: 70%;
padding: 2px;
margin-top: 2px;
text-align: center;
}
@media only screen and (max-width: 620px) {
/* For mobile phones: */
.menu, .main, .right {
width: 100%;
}
}
img {
position: absolute;
top: 10px;
right: 10px;
width:20%;
height: 10%;
}
svg {
width = 70%;
height = auto ;
border:1px dashed black;
viewBox="0 0 200 100";
}
#header {
width = 100%;
height=20%;
}
</style>
<body style=background-color:grey>
<div style="background-color:#e5e5e5;padding:5px;text-align:center;" id="header">
<h4>A thing of graph is an art forever </h4>
<h5>A graphical route to consuming information from the Home Remedies books, by Dr.T.V.Sairam </h5>
<a href = "https://penguin.co.in/book/home-remedies/"> <img src=/static/homeremedies.jpg alt = "Books by the Author"> </a>
<label id="check" font="Verdana"> Try an ailment name...:</label>
<input type="text" name="txtJob" type = "submit" value="ache" id="aquery" >
<input name="updateButton"
type="submit"
value="Search"
id = "mybtn"
onclick="updateData()"
font = "Verdana"
/>
</div>
<div id="option">
<div class="right" id="rightPane"
>
<h5>Plant Names, Properties</h5>
</div>
<div class="main" id="svgholder">
<h5>Search output - plants, ailments & preparation </h5>
</div>
</div>
</form>
<script type="text/javascript" src="//code.jquery.com/jquery-1.11.0.min.js"></script>
<script src="https://d3js.org/d3.v3.min.js" type="text/javascript"></script>
<script>
// this file is not optimized for calls to the d3js component - treat this as a draft version. this is quite really my first ever javascript code!!
// global variables
let plants = [] ;
var w = window.innerWidth;
var width = w*(2/3);
var height = 300;
var allPlants = [];
let thisplant = [] ;
// https://www.w3schools.com/colors/colors_gradient.asp
//d3.csv("/static/force.csv", function(error, links) {
d3.json("/getA?aquery=ache", function(error, dataset){
console.log('getA the function gets called on a window width of : ', w);
var nodes = {};
links = dataset.links["links"];
console.log('boolean check on links:', links.length);
plants = dataset.plants;
allPlants = dataset.allPlants;
// Compute the distinct nodes from the links.
links.forEach(function(link) {
link.source = nodes[link.source] ||
(nodes[link.source] = {name: link.source});
link.target = nodes[link.target] ||
(nodes[link.target] = {name: link.target});
link.value = +link.value;
});
var color = d3.scale.category20c();
var force = d3.layout.force()
.nodes(d3.values(nodes))
.links(links)
.size([width, height])
.linkDistance(100)
.charge(-200)
.on("tick", tick)
.start();
// Set the range
var v = d3.scale.linear().range([0, 100]);
// Scale the range of the data
v.domain([0, d3.max(links, function(d) { return d.value; })]);
console.log('trying to color now ... ');
links.forEach(function(link)
{
link.source.type = "searchresult";
link.target.type = "cureplant";
});
var svg = d3.select("#svgholder").append("svg")
.attr("width", width)
.attr("height", height);
// build the arrow.
svg.append("svg:defs").selectAll("marker")
.data(["end"]) // Different link/path types can be defined here
.enter().append("svg:marker") // This section adds in the arrows
.attr("id", String)
.attr("viewBox", "0 -5 10 10")
.attr("refX", 15)
.attr("refY", -1.5)
.attr("markerWidth", 6)
.attr("markerHeight", 6)
.attr("orient", "auto")
.append("svg:path")
.attr("d", "M0,-5L10,0L0,5");
// add the links and the arrows
var path = svg.append("svg:g").selectAll("path")
.data(force.links())
.enter().append("svg:path")
.attr("class", function(d) { return "link " + d.type; })
.attr("marker-end", "url(#end)");
// define the nodes
var node = svg.selectAll(".node")
.data(force.nodes())
.enter().append("g")
.attr("class", "node")
.on("click", click)
// .on("dblclick", dblclick)
.call(force.drag);
updateCircleText(node);
function tick() {
path.attr("d", function(d) {
var dx = d.target.x - d.source.x,
dy = d.target.y - d.source.y,
dr = Math.sqrt(dx * dx + dy * dy);
return "M" +
d.source.x + "," +
d.source.y + "A" +
dr + "," + dr + " 0 0,1 " +
d.target.x + "," +
d.target.y;
});
node.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")"; });
}
tableCreate(links);
var enterKey = document.getElementById("aquery");
enterKey.addEventListener("keyup", function(event) {
if (event.keyCode === 13) {
event.preventDefault();
document.getElementById("mybtn").click();
}
});
console.log("plants on this page:", plants);
console.log('allplants :',allPlants);
updateRightTable(plants) ;
bringupPlants(allPlants);
});
function bringupPlants(allPlants) {
var values = allPlants;
console.log('shape of allPlants data is:', typeof(values));
var select = document.createElement("select");
select.name = "thisplant";
select.id = "thisplant"
for (const val of values)
{
var option = document.createElement("option");
option.value = val;
option.text = val.charAt(0).toUpperCase() + val.slice(1);
select.appendChild(option);
}
var label = document.createElement("label");
label.innerHTML = "or choose a plant: "
label.htmlFor = "plant";
document.getElementById("header").appendChild(label).appendChild(select);
var button = document.createElement('input');
button.type = 'button';
button.id = 'submit';
button.value = 'Refresh';
button.className = 'btn';
button.onclick = function() {
var e = document.getElementById("thisplant");
var value = e.selectedOptions[0].value;
var text = e.selectedOptions[0].text;
console.log('will refresh once the plants are in for:', text);
fetchAll(text);
};
var container = document.getElementById("header");
container.appendChild(button);
}
function updateCircleText(node)
{
console.log("coming IN for an update ... ");
node.append("circle")
.attr("r", function(d)
{
if ((d.type).localeCompare("searchresult")==0)
{ return 12; }
else return 6 ;
})
.style("fill", function(d)
{
var d3c = "red";
//console.log('d.type is now:',d.type);
if ((d.type).localeCompare("searchresult")==0)
{ d3c = "red";
//console.log("yes we came here ...");
}
else
{d3c = "green" ; }
//return color(d.type);
//console.log("sending this color now:", d3c);
return d3c;
});
// add the text
node.append("text")
.attr("x", 12)
.attr("dy", ".35em")
.text(function(d) { return d.name; });
return node;
}
// action to take on mouse click
function click() {
var current = d3.select(this);
console.log("single click received on nodes:",current.text());
var plantfound = false;
var x = document.getElementById("myTable").getElementsByTagName("td");
var table = document.getElementById("myTable");
var rows = table.getElementsByTagName("tr") ;
//x[0].style.backgroundColor = "yellow";
//rows.style.backgroundColor = "white" ;
//x.style.backgroundColor = "white" ;
for (var i = 0; i < rows.length; i++)
{
//var row = x[i].innerHTML ;
var cols = rows[i].getElementsByTagName("td") ;
rows[i].style.backgroundColor = "white" ;
//console.log(cols.length);
for (var j = 0; j<cols.length ; j++)
{
//console.log('found it..');
var check = cols[j].innerHTML ;
if (check.localeCompare(current.text())==0)
{
rows[i].style.backgroundColor = "yellow" ;
if (j==1) plantfound = true;
}
//else cols[j].style.backgroundColor = "white";
}
}
if (plantfound==true)
{
updatePlantTable(plants, current.text());
}
}
function updatePlantTable(plantObject, plantName)
{
console.log('updating the table for :', plantName);
Object.entries(plantObject).forEach(([k,v])=>{
//console.log("key",k, ", value:",v);
Object.entries(v).forEach(([k1,v1])=>{
//console.log("k1:",k1," v1:",v1);
if (k1=="title" && v1==plantName) drawTable(v);
});
});
}
function drawTable(v)
{
let check = document.getElementById("plantable");
if (check) check.remove();
let plantable = document.createElement('table');
plantable.setAttribute("id","plantable");
plantable.style.width = '70%';
plantable.style.font.size = 3;
plantable.style.border = '2px solid green';
console.log('object received:',v) ;
Object.entries(v).forEach(([key,value])=>{
if (value.length > 0){
let tr = plantable.insertRow();
let td = tr.insertCell();
td.appendChild(document.createTextNode(key));
td = tr.insertCell();
td.appendChild(document.createTextNode(value));
}
});
var div=document.getElementById("rightPane");
div.appendChild(plantable);
}
function updateRightTable(plants)
{
let body = document.body;
let check = document.getElementById("plantable");
if (check) check.remove();
let plantable = document.createElement('table');
plantable.setAttribute("id","plantable");
plantable.style.width = '70%';
plantable.style.font.size = 3;
plantable.style.border = '2px solid green';
//plantable.style.margin-left = '30%';
const rows = plants.length;
console.log('plants array has:',rows);
plants.forEach((element, index, array) => {
let tr = plantable.insertRow();
let td = tr.insertCell();
td.appendChild(document.createTextNode("English"+index.toString()));
td = tr.insertCell();
td.appendChild(document.createTextNode(element.English));
tr = plantable.insertRow();
td = tr.insertCell();
td.appendChild(document.createTextNode("title",index));
td = tr.insertCell();
td.appendChild(document.createTextNode(element.title));
});
var div=document.getElementById("rightPane");
div.appendChild(plantable);
console.log('you found a plant!');
}
// action to take on mouse double click
function dblclick() {
d3.select(this).select("circle").transition()
.duration(750)
.attr("r", 6);
d3.select(this).select("text").transition()
.duration(750)
.attr("x", 12)
.style("stroke", "none")
.style("fill", "black")
.style("stroke", "none")
.style("font", "10px sans-serif");
}
//https://www.daniweb.com/programming/web-development/threads/437158/changing-table-background-color-with-javascript
function tableCreate(data){
let body = document.getElementById("svgholder");
let tbl = document.createElement('table');
tbl.style.width = '50%';
tbl.style.font.size = 3;
tbl.style.border = '1px solid black';
let row = data.length;
let col = 3;
//console.log(data[0].prep);
tbl.insertRow();
var groupby = '';
for(let i = 0; i < row;i++){
let tr = tbl.insertRow();
//let tr = thead.append("tr");
var source = data[i].source.name;
var target = data[i].target.name;
var prep = data[i].prep ;
for(let j = 0; j < col; j++){
let td = tr.insertCell();
//let td = tr.append("td");
if (j%3==0) var val = source;
if (j%3==1) var val = target;
if (j%3==2) var val = prep;
//val = data[i].source.name;
//td.appendChild(document.createTextNode(`${i},${j}` ));
td.appendChild(document.createTextNode(val));
//tr.selectAll("td").data(val);
//td.style.border = '1px solid red';
//console.log(val);
}
}
tbl.setAttribute("id","myTable");
var div = document.getElementById("svgholder");
div.appendChild(tbl);
//return tbl;
}
function fetchAll(text)
{
w = window.innerWidth;
width = w*(2/3);
height = 300;
d3.json("/getPlant?pquery="+text, function(error, dataset){
console.log('plant update gets called now ... ');
var nodes = {};
var color = d3.scale.category20c();
links = dataset.links["links"];
console.log('check on plants gave us so many objects:', links);
thisplant = dataset.plants;
console.log('this plant properties are:', thisplant[0]);
if (links.length>0)
{
d3.select("svg").remove();
var t1 = document.getElementById("myTable");
var t2 = document.getElementById("plantable");
if (t1) t1.remove();
if (t2) t2.remove();
links.forEach(function(link) {
link.source = nodes[link.source] ||
(nodes[link.source] = {name: link.source});
link.target = nodes[link.target] ||
(nodes[link.target] = {name: link.target});
link.value = +link.value;
});
var svg = d3.select("#svgholder").append("svg").attr("width",width).attr("height", height), inner = svg.append("g");
links.forEach(function(link)
{
link.source.type = "cureplant";
link.target.type = "searchresult";
});
var force = d3.layout.force()
.nodes(d3.values(nodes))
.links(links)
.size([width, height])
.linkDistance(100)
.charge(-300)
.on("tick", tick)
.start();
// Set the range
var v = d3.scale.linear().range([0, 100]);
// Scale the range of the data
v.domain([0, d3.max(links, function(d) { return d.value; })]);
// build the arrow.
svg.append("svg:defs").selectAll("marker")
.data(["end"]) // Different link/path types can be defined here
.enter().append("svg:marker") // This section adds in the arrows
.attr("id", String)
.attr("viewBox", "0 -5 10 10")
.attr("refX", 15)
.attr("refY", -1.5)
.attr("markerWidth", 3)
.attr("markerHeight", 3)
.attr("orient", "auto")
.append("svg:path")
.attr('fill','blue')
.attr("d", "M0,-5L10,0L0,5");
// add the links and the arrows
var path = svg.append("svg:g").selectAll("path")
.data(force.links())
.enter().append("svg:path")
.attr("class", function(d) { return "link " + d.type; })
.attr("marker-end", "url(#end)");
// define the nodes
var node = svg.selectAll(".node")
.data(force.nodes())
.enter().append("g")
.attr("class", "node")
.on("click", click)
//.on("dblclick", dblclick)
.call(force.drag);
node.append("circle")
.attr("r", function(d)
{
if ((d.type).localeCompare("searchresult")==0)
{ return 6; }
else return 12 ;
})
.style("fill", function(d)
{
var d3c = "red";
//console.log('d.type is now:',d.type);
if ((d.type).localeCompare("searchresult")==0)
{ d3c = "red";
//console.log("yes we came here ...");
}
else
{d3c = "green" ; }
//return color(d.type);
//console.log("sending this color now:", d3c);
return d3c;
});
/*
node.append('rect')
.attr('width',10).attr('height',10)
.attr('stroke','black')
.attr("fill", function(d)
{
var d3c = "red";
//console.log('d.type is now:',d.type);
if ((d.type).localeCompare("searchresult")==0)
{ d3c = "red";
//console.log("yes we came here ...");
}
else
{d3c = "green" ; }
//return color(d.type);
//console.log("sending this color now:", d3c);
return d3c;
});*/
// add the text
node.append("text")
.attr("x", 6)
.attr("dy", ".35em")
.text(function(d) { return d.name; });
// add the curvy lines
function tick() {
path.attr("d", function(d) {
var dx = d.target.x - d.source.x,
dy = d.target.y - d.source.y,
dr = Math.sqrt(dx * dx + dy * dy);
return "M" +
d.source.x + "," +
d.source.y + "A" +
dr + "," + dr + " 0 0,1 " +
d.target.x + "," +
d.target.y;
});
node
.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")"; });
}
tableCreate(links);
//updatePlantTable(thisplant, text);
drawTable(thisplant[0]);
}
else
{
document.getElementById("check").innerHTML = "No records for that search yet...";
document.getElementById("check").style.color = "red" ;
var e1 = document.getElementById("plantable");
if (e1)
e1.remove();
var e2 = document.getElementById("myTable");
if (e2)
e2.remove();
}
//d3.select("svg").remove();
});
}
// https://bl.ocks.org/d3noob/7030f35b72de721622b8 to update a d3 page
// finally went with this - https://stackoverflow.com/questions/34088550/d3-how-to-refresh-a-chart-with-new-data for updating the existing svg
// this function can be made far more efficient than what it is ...
function updateData(){
w = window.innerWidth;
width = w*(2/3);
height = 300;
let input = document.getElementById('aquery').value ;
d3.json("/getA?aquery="+input, function(error, dataset){
console.log('getA update gets called now ... ');
var nodes = {};
var color = d3.scale.category20c();
links = dataset.links["links"];
console.log('boolean check on update links:', links.length);
d3.select("svg").remove();
if (links.length>0)
{
var table = document.getElementById("myTable");
var rightT = document.getElementById("plantable");
if (table) table.remove();
if (rightT) rightT.remove();
document.getElementById("check").innerHTML = "Try an ailment name...";
document.getElementById("check").style.color = "blue";
plants = dataset.plants;
var svg = d3.select("#svgholder").append("svg").attr("width",width).attr("height", height), inner = svg.append("g");
console.log('updated links have arrived',links);
// Compute the distinct nodes from the links.
links.forEach(function(link) {
link.source = nodes[link.source] ||
(nodes[link.source] = {name: link.source});
link.target = nodes[link.target] ||
(nodes[link.target] = {name: link.target});
link.value = +link.value;
});
links.forEach(function(link)
{
link.source.type = "searchresult";
link.target.type = "cureplant";
});
var force = d3.layout.force()
.nodes(d3.values(nodes))
.links(links)
.size([width, height])
.linkDistance(150)
.charge(-200)
.on("tick", tick)
.start();
// Set the range
var v = d3.scale.linear().range([0, 100]);
// Scale the range of the data
v.domain([0, d3.max(links, function(d) { return d.value; })]);
// build the arrow.
svg.append("svg:defs").selectAll("marker")
.data(["end"]) // Different link/path types can be defined here
.enter().append("svg:marker") // This section adds in the arrows
.attr("id", String)
.attr("viewBox", "0 -5 10 10")
.attr("refX", 15)
.attr("refY", -1.5)
.attr("markerWidth", 6)
.attr("markerHeight", 6)
.attr("orient", "auto")
.append("svg:path")
.attr("d", "M0,-5L10,0L0,5");
// add the links and the arrows
var path = svg.append("svg:g").selectAll("path")
.data(force.links())
.enter().append("svg:path")
.attr("class", function(d) { return "link " + d.type; })
.attr("marker-end", "url(#end)");
// define the nodes
var node = svg.selectAll(".node")
.data(force.nodes())
.enter().append("g")
.attr("class", "node")
.on("click", click)
//.on("dblclick", dblclick)
.call(force.drag);
node.append("circle")
.attr("r", function(d)
{
if ((d.type).localeCompare("searchresult")==0)
{ return 12; }
else return 6 ;
})
.style("fill", function(d)
{
var d3c = "red";
//console.log('d.type is now:',d.type);
if ((d.type).localeCompare("searchresult")==0)
{ d3c = "red";
//console.log("yes we came here ...");
}
else
{d3c = "green" ; }
//return color(d.type);
//console.log("sending this color now:", d3c);
return d3c;
});
// add the text
node.append("text")
.attr("x", 10)
.attr("dy", ".35em")
.text(function(d) { return d.name; });
// add the curvy lines
function tick() {
path.attr("d", function(d) {
var dx = d.target.x - d.source.x,
dy = d.target.y - d.source.y,
dr = Math.sqrt(dx * dx + dy * dy);
return "M" +
d.source.x + "," +
d.source.y + "A" +
dr + "," + dr + " 0 0,1 " +
d.target.x + "," +
d.target.y;
});
node
.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")"; });
}
tableCreate(links);
updateRightTable(plants);
}
else
{
document.getElementById("check").innerHTML = "No records for that search yet...";
document.getElementById("check").style.color = "red" ;
var e1 = document.getElementById("plantable");
if (e1)
e1.remove();
var e2 = document.getElementById("myTable");
if (e2)
e2.remove();
}
});
}
</script>
</body>
</html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<style>
body {
font-family: "Helvetica", Sans-Serif";
}
* {
box-sizing: border-box;
}
form.example input[type=text] {
padding: 10px;
font-size: 12px;
border: 1px solid grey;
float: left;
width: 80%;
background: #f1f1f1;
}
form.example button {
float: left;
width: 15%;
padding: 10px;
background: #2196F3;
color: white;
font-size: 12px;
border: 1px solid grey;
border-left: none;
cursor: pointer;
}
form.example button:hover {
background: #0b7dda;
}
form.example::after {
content: "";
clear: both;
display: table;
}
</style>
</head>
</html>