I'm trying to add a paragraph of text underneath a Chartist chart. However, it seems that Chartist defers the actual creation of the DOM element until some unknown future point.
Expectation:
Create new Chartist chart, then
Append element to dom after chart
Chart appears before element in DOM
Actual:
Chart appears after element in DOM
How do I get my element to occur after the chart? I see an event API but they don't list if there are any "complete" or "added" event.
var data = {
series: [5, 3, 4]
};
new Chartist.Pie('.thing', data);
$('.thing').append("<p>should appear after/below chart!</p>")
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/chartist/0.9.4/chartist.min.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/chartist/0.9.4/chartist.js"></script>
<div class="thing"></div>
As #blm suggests, you could add an additional DOM element, but just in case you've got some constraint requiring you to build it this way, you can .append() your paragraph to .thing in Chartist's .on('draw') method.
var data = {
series: [5, 3, 4]
};
var chart = new Chartist.Pie('.thing', data);
chart.on('draw', function(){
$('.thing').append("<p>should appear after/below chart!</p>")
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/chartist/0.9.4/chartist.min.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/chartist/0.9.4/chartist.js"></script>
<div class="thing"></div>
I came across this question because I needed if for a project myself.
Problem with #brianrhea's answer is that you will append the p tag for every item in the series array. If you want only to append it a single time use following code
var data = {
series: [5, 3, 4]
};
var chart = new Chartist.Pie('.thing', data);
chart.on('draw', function (data) {
if (data.index === 0) {
$('.thing').append("<p>should appear after/below chart!</p>");
}
});
There is a created event which seems perfect for this job.
var data = {
series: [5, 3, 4]
};
var chart = new Chartist.Pie('.thing', data);
chart.on('created', function(){
$(id).append("<p>should appear after/below chart!</p>");
});
Related
I have been trying to solve this problem with ChartJS for a few days now, and I am completely stumped
My program shows the user a set of input elements they use to select data needing to be charted, plus a button that has an event to chart their data. The first chart works great. If they make a change to the data and click the button a second, third, or more time, all the data from the previous charts is plotted, PLUS their most recent selection.
It is behaving exactly like you might expect if the chart.destroy() object is not working, or perhaps would work if I created the chart object using a CONST (and could therefore add new data but not delete the beginning data).
I have tried all combinations of the browsers, chartjs and jquery libraries below:
Three different browsers:
• Chrome: Version 107.0.5304.121 (Official Build) (64-bit)
• Microsoft Edge: Version 107.0.1418.56 (Official build) (64-bit)
• Firefox: 107.0 64-bit
I have tried at least three different versions of Chart.js, including
• Versions 3.9.1
• 3.6.2
• 3.7.0
Jquery.js
• v3.6.1
• v1.11.1
Other things I have tried:
"use strict" (no luck)
In addition to destroying the chart object, removed the div containing the canvas, and appending it again.
using setTimeout() function before updating the chart after destroying it (because I thought maybe giving the destroy method more time might help)
type here
Software:
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/chart.js"></script>
<script type="text/javascript" src="js/dropdownLists.js"></script>
<script type="text/javascript" src="js/chartDataFunctions.js"></script>
<script type="text/javascript" src="js/chartJSFunctions.js"></script>
<body>
<div class = metadatasetup4" id = "buttons">
<button class="download" id="getchart" value="Get Chart">Chart</button>
<button class="download" id="downloadchart" value="Download">Download</button>
</div>
<div id = "bigchartdiv" class="bigchart">
<canvas id="myChart"></canvas>
</div>
</body>
<script>
$(window).on('load',function(){
//NOTE 1: In of my attempts to troubleshoot I tried strict mode (it didn't work)
//"use strict";
let data = {
labels: lbl,
datasets: [
]
};
let config = {
type: 'line',
data: data,
options: {
scales: {
y: {
type: 'linear',
display: true,
position: 'left',
min:0,
pointStyle:'circle',
},
y1: {
type: 'linear',
display: true,
position: 'right',
suggestedMax: 25,
min: 0,
pointStyle: 'cross',
// grid line settings
grid: {
drawOnChartArea: false, // only want the grid lines for one axis to show up
},
},
}
}
};
// NOTE 2: The next line below, beginning with "var bigChartHTML =" was one of my later attempts to
// solve the problem. It didn't work, but my thought process was that if I removed
// the div containing the canvas, AND destroyed the chart object, that appending a "fresh"
// chart div to the body might be a work-around. This did not work.
var bigChartHTML = '<div id = "bigchartdiv" class="bigchart"><canvas id="myChart"></canvas></div>'
let ctx = document.getElementById('myChart').getContext('2d');
let bigChart = null;
// The getChartData() function below uses Ajax to populate various dropdown lists
// which enable the user to select the data is to be charted.
// There are no chartjs-related operations in getChartData()
getChartData();
$('#buttons').on('click','#getchart',function(){
if (bigChart!=null) {
//removeData(bigChart);
bigChart.destroy();
//bigChart = 1;
}
$("#bigchartdiv").empty(); //for this and next 2 lines, see NOTE 2 above
$("#bigchartdiv").remove();
$(bigChartHTML).insertAfter("#chartcontrols");
bigChart = new Chart(document.getElementById('myChart'),config);
//NOTE 3: I thought maybe bigChart.destroy() took time, so I tried
// using the setTimeout function to delay updating the chart
// (didn't work, but I left it in the code, anyway.)
setTimeout(function() {updateChart(bigChart)}, 2000);
//updateChart(bigChart);
});
// NOTE: The updateChart() function is actually included in "js/chartDataFunctions.js"
function updateChart(chart) {
/*
This section of the program reads the HTML elements then uses them
to make an Ajax request to sql server, and these become the
parameters for the newDataSet() function below.
*/
newDataset(chart,firstElement,newdataset,backgroundcolor,color);
}
// NOTE: The newDataSet() function is actually included in "js/chartJSFunctions.js"
// I show it here for brevity.
// It decides which axis (y or y1) to use to plot the datasets
// the dataset is pushed into the data, and chart.update() puts it in the chart object
function newDataset(chart,label,data,bgcolor='white',color='rgb(255,255,255)') {
var maxValue = Math.max(...data);
if (Number.isNaN(maxValue)) {
return;
}
if (maxValue == 0) {
return;
}
var axisID = 'y';
var ptStyle = 'circle';
//var pStyle = 'circle';
if (maxValue < 50) {
axisID = 'y1';
bgcolor = 'white';
//ptStyle = 'Star'
}
chart.data.datasets.push({
label:label,
yAxisID:axisID,
data:data,
borderColor:color,
backgroundColor:bgcolor,
//pointStyle:ptStyle
});
chart.update();
}
});
</script>
I found a work-around that solves my problem, but I still think this is a bug in ChartJS. Before calling bigChart.destroy(), I now do two things: First, reset the data object back to it's original value, and second, reset the config object back to it's original value, THEN call bigChart.destroy().
I think the destroy() method should handle that for me, but in my case, for whatever reason, it doesn't.
So, what I have is a work-around, not really a solution, but I'll take it.
In a chart I render using Plotly.js, I define titles for each axis. When mouse hovering the items within the chart, a popup is shown, but the "labels" shown do not use the titles I had defined.
For example, the default value for the x axis is x. I defined hellox as title and that value is show in the chart, but not when mouse hovering a value (x is still shown).
See a live example here of what I mean: https://codepen.io/anon/pen/qoGQvx
I've been looking a the documentation and I didn't find anything so far that did exactly what I wanted: simply change the labels in the popup.
Also the question is quite old, I would like to write a solution I came up when facing the same problem. I did define a var text array for hover info which I filled with the labels for x, y and z values. Please have a look at the following fiddle where I use a heatmap plot for demonstration (this is what I am using in my project, but it can be easily adapted for your chart option): http://jsfiddle.net/zLc5y63g/
This is the html code:
<script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
<body>
<br><br>
<!-- Source and on-click event for plotly.js -->
<div id="plotly_chart" style="width: 90%; height: 270px"></div>
And this the JavaScript:
var zValues = [[1, 20, 30], [20, 1, 60], [30, 60, 1]];
var yValues = ['data1', 'data2', 'data3'];
var xValues = ['condition1', 'condition2', 'condition3'];
var config = {
displaylogo: false
};
// fill in 'text' array for hover
var text = zValues.map (function(zValues, i) { return zValues.map (function (value, j) {
return ` ID: ${yValues[i]}<br> Condition: ${xValues[j]}<br> Value: ${value.toFixed(2)} `
});
});
Plotly.newPlot('plotly_chart', [{x: xValues, y: yValues, z: zValues, text: text, hoverinfo: 'text', hoverlabel: {bgcolor: '#41454c'}, type: 'heatmap', colorscale: 'Viridis'}], config );
Maybe this is still useful.
I need to be able to add some custom info to the pie.info.contentsFunction in Zoomcharts. I have multiple charts on the page, each one created like so...
var pc = new PieChart({
pie: {
innerRadius: 0.5,
},
container: chartContainer1,
area: { height: 500 },
data:chartData,
toolbar: {
"fullscreen": true,
"enabled": true
},
info: {
contentsFunction: boomChartTT
}
});
In the "boomChartTT" function I need to know what chart is being hovered upon. I'd like to be able to do something like this...
info: {
contentsFunction: boomChartTT(i)
}
...where 'i' is the index of the chart.
The reason I need to know the chart index is because I have some other data saved in an indexed array for each chart. The index of the chart matches the index of the data.
EXAMPLE: if user hovers on a slice in chart2 I'd want to pass '2' to the boomChartTT function so I can access the totals data for that chart (say, totalsData[2]).
I've done this in the past with other chart libraries by simply adding a data attribute to the chart container to give me the index like so...
<div id="chartContainer1" data-index="1"></div>
...and then I'm able to access the chartContainer from the hover function (contentsFunction) and then get that index.
I don't want to add the totals data to the actual chart data because I'd have to add it to each slice which is redundant.
Is there a way to do this?
Please let me know if my post is unclear.
EDITED TO ADD:
I don't think it matters but here is the boomChartTT function:
function boomChartTT(data,slice){
var tt="<div class=\"charttooltip\">";
if(data.name==="Others" || data.name==="Previous"){return tt+=data.name+"</div>";}
//var thisData=dataSearch(totalsData[i],"REFERRINGSITE",data.id);
tt+="<h5 class=\"strong\">"+data.id+"</h5>"+oHoverTable.render(thisData)+"</div>";
return tt;
}
The commented line is where I would need the index (i) to to get the correct totalsData.
SOLVED. I simply added "chartIndex" to the data like so...
for(var i=0;i<r.length;i++){
var thisDataObj ={
id:r[i].REFERRINGSITE,
value:r[i].PCTOFSALES,
name:r[i].REFERRINGSITE,
chartIndex: arguments[1],//<----- arguments[1] is the chart index
style: { expandable: false, fillColor: dataSearch(dataRSList,"REFERRINGSITE",r[i].REFERRINGSITE)[0].COLOR }
};
chartData.preloaded.subvalues.push(thisDataObj);
}
Then in the boomChartTT function...
function boomChartTT(data,slice){
var tt="<div class=\"charttooltip\">";
if(data.name==="Others" || data.name==="Previous"){return tt+=data.name+"</div>";}
var thisData=dataSearch(totalsData[data.chartIndex-1],"REFERRINGSITE",data.id);
tt+="<h5 class=\"strong\">"+data.id+"</h5>"+oHoverTable.render(thisData)+"</div>";
return tt;
}
I feared that adding custom fields to the chart data would break the chart (which I believe I've experienced with other libraries). So, there you go.
I am attempting to create an onclick event on my plotly chart. Following the documentation i have created the following chart:
var graphDiv = document.getElementById('uniqueId');
Plotly.newPlot('uniqueId', charData, layout);
graphDiv.on('plotly_click', function (data) {
var i = 0;
})
However when i run this i get the following error:
graphDiv.on is not a function
So can anyone tell me what im doing wrong?
Note i have also attempted with jquery:
$('#uniqueId').on('plotly_click', function(){})
This didnt throw an error but the function was not called when clicking the chart.
fiddle:
https://jsfiddle.net/c1kt3r82/127/
In your fiddle you are using plotly-basic.js, you would need to use plotly-latest.min.js to get the on functionality.
TESTER = document.getElementById('tester');
Plotly.plot( TESTER, [{
x: [1, 2, 3, 4, 5],
y: [1, 2, 4, 8, 16] }], {
margin: { t: 0 } } );
TESTER.on('plotly_click', function(data){
alert('did you just click on me?!')
})
/* Current Plotly.js version */
console.log( Plotly.BUILD );
<script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
<div id="tester" style="width:600px;height:250px;"></div>
Though I have successfully colored the bars of google chart individually but not able to keep them when we hover mouse over it. It is getting reset back to blue(which is default).
Here is the jsfiddle of what I have done jsfiddle.
I tried to control the hover behaviour with multiple ways like below.
This I am keeping outside (document.ready) but inside script tag.
1)
$('#chart_div').hover(
function() {
$('#chart_client').hide(); // chart_client is another google chart div.
}, function() { // just for testing I was doing hide/show of that.
$('#chart_client').show();
}
);
2)
$("#chart_div").on({
mouseenter: function () {
$('#chart_client').hide();
},
mouseleave:function () {
$('#chart_client').show();
}
},'rect');
3)
google.visualization.events.addListener('#chart_div', 'ready', function () {
$('#chart_div rect').mouseover(function (e) {
alert('hello');
});
});
I must be doing something wrong, could you please tell me what and where.
I solved it using below code. Earlier I was trying to create charts using dynamically adding rows into chart(please visit my jsfiddle) but with this below approach I am first preparing data(converting dynamic to static) and adding that static data in to chart's 'arrayToDataTable' method.
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawUserKeywordChart);
function drawUserKeywordChart() {
var val = 'Tax:47;Finance:95;Awards:126;Bank:137;Debt:145;';
var length = val.length;
var array = [];
//preparing data
while(length>0){
var sepAt = val.indexOf(";");
var value = parseInt(val.substring(val.indexOf(":")+1, sepAt));
array.push(val.substring(0, val.indexOf(":")));
array.push(value);
val = val.substring(val.indexOf(";")+1, length);
length = val.length;
}
var data = google.visualization.arrayToDataTable([
['Keyword', 'Occurences', { role: 'style' }],
[array[0], array[1], '#8AA3B3'],
[array[2], array[3], '#A9B089'],
[array[4], array[5], '#848C49'],
[array[6], array[7], '#44464A'],
[array[8], array[9], '#704610'],
]);
var options = {
title: 'Keyword Matches',
width: 660,
height: 450,
titleTextStyle:{bold:true,fontSize:20},
legend:{position:'none'}
};
var chart = new google.visualization.ColumnChart(document.getElementById('chart_keyword1'));
chart.draw(data, options);
}
Please advice if you find anything wrong here or you have better approach than this.