Chart js custom tooltip jsfiddle

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Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. I've stumbled upon a problem described in: Updating state in onMouseMove interferes with rendering custom tooltip component. JSFiddle below. Note that I've added both custom tooltip simple div that displays payload and onMouseMove. When using onMouseMove if you put a delay on the setState using setTimeout you momentarily see the custom tooltip so it's definitely the act of calling setState and the resulting render that is casuing the custom tooltip to not display.

I've spent a few hours looking through and debugging the code but can't see the problem.

chart js custom tooltip jsfiddle

My only suspicion is in the logic here:. Lines 83 to 91 in db0f3f2. It's strange that an additional setState doesn't make React. Do any of the maintainers have any ideas?

I actually can't use my workaround of using onMouseOver as it only captures mouse overs of the Bars in my BarChart rather that the entire vertical space. You can check here: Thanks for the PR, but I'm still experiencing the same issue in my app. Which is weird, because the jsfiddle I've attached earlier that looks more-or-less like my app works fine:.

Do you have any suggestions? What I'm trying to achieve is to show both tooltip and activeLabel on the XAxis.

Chart.JS spacing and padding

JSFiddle works ok, while in my app I see only the activeLabel - tooltip is not showing. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Sign up. New issue. Jump to bottom. Copy link Quote reply. Do you want to request a feature or report a bug? Report a bug. What is the current behavior? What is the expected behavior? Did this work in previous versions of Recharts?

I've tested this only on Recharts version 1. This comment has been minimized.If you have an information-rich website or application, you might want to visualize your data so that users can better make sense of it. Although tables can be quite useful in certain cases such as pricing and feature comparison tables, other kind of information is easier to process with the help of some kind of data visualization.

JavaScript libraries such as Chart. It has many options with which you can configure all aspects of your charts. In this tutorial, we will look into how to set up the Chart. You can install Chart. If you want to store the entire library locally, you can install it with the npm package manager using the following command:.

Your custom script will go into the script. Alternatively, you can also add the scripts to your page using module loaders such as CommonJS or Webpack. Or, you can clone the latest version of Chart. With Chart. Now, you need to add your custom configuration to the script. Below, we will show you how to create two kinds of charts: a vertical bar chart and a full-circle doughnut or pie chart.

However, you can use the same logic with any other chart types. In the Chart. Our bar chart will display the life expectancy by country dataset from the World Population Review.

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

It will show six countries with the highest life expectancy, as follows:. We will create a vertical bar chart with interactive tooltips that will show the exact data when the user hovers the bars. On the gif demo below, you can see how our chart will look like:. We need to add the names of the countries as the value of the labels property. And, we define the data life expectancy in years as the value of the data property of the datasets array.

The documentation of Chart. It will show the distribution of the recommended daily diet according to the following StatCrunch dataset :. As Chart. Currently, there are five Chart.It looks great, has ton of features though it is new enough that there is still some work to find out how to get some relatively simple things done.

Tooltips are the pop-ups that show when you hover mouse over a bar or line in a chart and show the yAxis value along with any other information you want to include. By default Chart. Instead after some Googling about I found out it required using Chart. Note V1 used a different method that modified tooltip template but that is deprecated in V2.

You put function into the callback that uses regex to insert commas. This can be done as a global change to all charts in the page or just to a specific chart which is what I used and is shown in the example below. Your email address will not be published. This site uses Akismet to reduce spam.

Learn how your comment data is processed. The result is that the tooltip now has a commas. Posted in: Chart. Dodi Dwitura on October 25, at am said:. Edwin on August 13, at pm said:. Novitalia on November 13, at am said:. Leave a Reply Cancel reply Your email address will not be published.But I cannot find a way to always show the tooltips - not only when hovering the mouse over the doughnut.

Does anybody know if this is possible? Something to be aware of: I seem to remember that you may run into issues if you are using more than one dataset. Important: Even if you don't need the animation, don't change the duration option to 0, otherwise you will get chartInstance. I had the same problem today and solved it quite easy by adding the options onAnimationComplte and tooltipevents. Normally you define the events in tooltipevents to display the tooltips but we need to remove them and pass an empty array.

And then just use the following line in the options of any chart on which you want to show all the tooltips available. First you force to draw the tooltips when animation is completed, and then you block the mouse events to override the default behaviour as you don't need it anymore this behaviour is to show only the active tooltip and hide the others.

The second parameter clears tooltip events which stops the tooltip from disappearing Something to be aware of: I seem to remember that you may run into issues if you are using more than one dataset.

Here is an updated version for Chart. This animation option works for 2.The tooltip configuration is passed into the options. The global options for the chart tooltips is defined in Chart. Allows sorting of tooltip items. Must implement at minimum a function that can be passed to Array. This function can also accept a third parameter that is the data object passed to the chart. Allows filtering of tooltip items. This function can also accept a second parameter that is the data object passed to the chart.

The tooltip label configuration is nested below the tooltip configuration using the callbacks key. The tooltip has the following callbacks for providing text. For all functions, 'this' will be the tooltip object created from the Chart. Tooltip constructor.

All functions are called with the same arguments: a tooltip item and the data object passed to the chart. All functions must return either a string or an array of strings.

Arrays of strings are treated as multiple lines of text. Custom tooltips allow you to hook into the tooltip rendering process so that you can render the tooltip in your own custom way. Generally this is used to create an HTML tooltip instead of an oncanvas one. You can enable custom tooltips in the global or chart configuration like so:. Tooltips Tooltip Configuration The tooltip configuration is passed into the options.

Labeling Axes

If false, the mode will be applied at all times. New modes can be defined by adding functions to the Chart. Sort Callback Allows sorting of tooltip items. Filter Callback Allows filtering of tooltip items. Tooltip Callbacks The tooltip label configuration is nested below the tooltip configuration using the callbacks key.

This will be called for each item in the tooltip. Tooltip Model The tooltip model contains parameters that can be used to render the tooltip. No results matching " ". Sets which elements appear in the tooltip.

Returns text to render before an individual label.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I've read the documentation, but I can't cope with this because it's very general and I'm new to JavaScript.

As shown in the example code below, you can change things like color, sizing and styles. Check out the documentation linked above for a full list of configurable options. If you want to add the percentage to the tooltip display, you can use tooltip callbacks. The documentation has a list of all the possible customizable callback fields. In the below example, I set the "title" to show the label name, "label" to show the value, and added the percentage to "afterLabel".

Learn more. How to customize the tooltip of a Chart. Ask Question. Asked 2 years, 11 months ago. Active 2 years, 1 month ago. Viewed 62k times. I'm trying to show some data using a doughnut chart from Chart. My current chart looks like this: My desired output must show another attribute, which is the percentage, and looks like this: I've read the documentation, but I can't cope with this because it's very general and I'm new to JavaScript.

Tot Zam 5, 5 5 gold badges 39 39 silver badges 59 59 bronze badges. Active Oldest Votes. Tot Zam Tot Zam 5, 5 5 gold badges 39 39 silver badges 59 59 bronze badges. Yes, this is nice if you need a lite-customization. But what if you need to render a button for instance, or a table, or whatelse. LucaDavanzo If you have a more specific question about adding things like buttons and tables and can't get it to work with this solution, I would suggest asking a new questions and showing the code you have tried for the more specific customization.

chart js custom tooltip jsfiddle

You can always link to this question for context. Merenzo Merenzo 4, 4 4 gold badges 26 26 silver badges 42 42 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Featured on Meta. Feedback on Q2 Community Roadmap. Technical site integration observational experiment live on Stack Overflow. Dark Mode Beta - help us root out low-contrast and un-converted bits.

Question Close Updates: Phase 1. Related 1. Hot Network Questions.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub?

chart js custom tooltip jsfiddle

Sign in to your account. I'm trying to put a text in a tooltip, which may have nothing to do with the labels or the data of the chart.

Is that possible? Alternatively you can set those template strings to a function which will return whatever you want to see in that tooltip.

Label [] My random string : value [] My random string : value [] My random string : value. Ah right, no that's a bit more awkard - if you have more than one dataset Chart. You could create your own tooltips by setting tooltips: false in your options then calling getBarsAtEvent evt on chart instance, passing in an event of where your mouse is, that will return enough information about the bars at that point for you to render your own tooltip as a regular dom node, and position it over the top of the chart.

Hope you'll find it useful! Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up.

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New issue. Jump to bottom. Copy link Quote reply. Hi, I'm trying to put a text in a tooltip, which may have nothing to do with the labels or the data of the chart. Thank you. This comment has been minimized. Sign in to view.


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