Skip to content

Added option to have custom tooltip labels that differ from x and y axis labels #61

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
xtrinch wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Added option to have custom tooltip labels that differ from x and y axis labels #61

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
8dc8c0f
Added custom labels
Apr 26, 2016
05f1d97
Added example
Apr 26, 2016
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
26 changes: 23 additions & 3 deletions samples/stacked-bar.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,18 @@
var randomColorFactor = function(){ return Math.round(Math.random()*255)};

var barChartData = {
labels : ["January","February","March","April","May","June","July"],
labels : [
{
name: "January",
additional: "Date 1"
},
"February",
"March",
"April",
"May",
"June",
"July"
],
datasets : [
{
fillColor : "rgba(220,220,220,0.5)",
Expand All @@ -39,14 +50,23 @@
strokeColor : "rgba(240,73,73,0.8)",
highlightFill : "rgba(240,73,73,0.75)",
highlightStroke : "rgba(240,73,73,1)",
data : [randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor(),randomScalingFactor()]
data : [
{y:randomScalingFactor(), data: 'Tooltip text'},
{y:randomScalingFactor(), data: 'Tooltip text'},
{y:randomScalingFactor(), data: 'Tooltip text'},
{y:randomScalingFactor(), data: 'Tooltip text'},
{y:randomScalingFactor(), data: 'Tooltip text'},
{y:randomScalingFactor(), data: 'Tooltip text'},
{y:randomScalingFactor(), data: 'Tooltip text'}
]
}
]
};
window.onload = function(){
var ctx = document.getElementById("canvas").getContext("2d");
window.myBar = new Chart(ctx).StackedBar(barChartData, {
responsive : true
responsive : true,
multiTooltipTemplate: "<% if(additionalLabel.length>0){ %><%= additionalLabel %><% }else{ %><%= label %><% } %> - <%= value %>"
});

$('#randomizeData').click(function(){
Expand Down
22 changes: 20 additions & 2 deletions src/Chart.StackedBar.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -164,14 +164,26 @@
this.datasets.push(datasetObject);

helpers.each(dataset.data,function(dataPoint,index){
if(!helpers.isNumber(dataPoint)){

var additionalLabel = '';
var label = data.labels[index];
if(!helpers.isNumber(dataPoint) && !helpers.isNumber(dataPoint.y)){
dataPoint = 0;
}
if (helpers.isNumber(dataPoint.y)) {
additionalLabel = dataPoint.data;
dataPoint = dataPoint.y;
}

if (typeof(label) !== 'string') {
label = label.additional;
}
//Add a new point for each piece of data, passing any required data to draw.
//Add 0 as value if !isNumber (e.g. empty values are useful when 0 values should be hidden in tooltip)
datasetObject.bars.push(new this.BarClass({
value : dataPoint,
label : data.labels[index],
label : label,
additionalLabel: additionalLabel,
datasetLabel: dataset.label,
strokeColor : dataset.strokeColor,
fillColor : dataset.fillColor,
Expand Down Expand Up @@ -436,6 +448,12 @@
return values;
};

for (var i = 0; i < labels.length; i++) {
if (typeof(labels[i]) !== 'string') {
labels[i] =labels[i].name;
}
}

var scaleOptions = {
templateString : this.options.scaleLabel,
height : this.chart.height,
Expand Down