This can be easily achieved using a callback in the config object. // If true, this item represents a hidden dataset. THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. One parameter, event, is passed to the function. Some of the legend features include: The legend can be positioned anywhere around the chart area by setting the legend.position property. Each series is represented by an item on a Legend. In chart js library legends defaultly have four postions (top,right,bottom,left). See, Filters legend items out of the legend. The legend is a box containing a symbol and name for each series item or point item in the chart. The legend label configuration is nested below the legend configuration using the labels key. Label style will match corresponding point style (size is based on the minimum value between boxWidth and font.size). Custom entries can be used to populate the legend with any data or information. It can be common to want to trigger different behaviour when clicking an item in the legend. If specified as a number, it applies evenly to all sides. The JSCharting legend is a powerful and fully customizable data grid that allows customizing columns with data attributes and calculations through the use of expressions. Marks that this box should take the full width of the canvas (pushing down other boxes). Some of the legend features include: Flexible and automated positioning javascript $ Arguments: [event, legendItem, legend]. However when a series has a palette property set, a legend entry for each point of the series is added in place of the series legend entry. Updating Datasets Dynamically. Adding buttons on d3.js charts. Legend Item Interface. The legend.header property can be used to specify labels for each column defined in legend.template property. Only used if. The global options for the chart legend is defined in Chart.defaults.plugins.legend. By default, when the legend template includes '%name' or '%value', it refers to these properties rather than '%name' and '%value' of the actual target item. The chart legend displays data about the datasets that are appearing on the chart. Items passed to the legend onClick function are the ones returned from labels.generateLabels. By combining this with the legend events we can create charts that toggle data series visibility on click of corresponding legend items. Recharts - Re-designed charting library built with React and D3. Fires when the legend item belonging to the series is clicked. Hi, I use Chart.defaults.global.legend.onClick juste to show in console which legend is clicke but by this way the default action is cancelled... so when I use this onClick function and click on legend... the dataset don't disappears and legend isn't barred/closed off ... even if in onClick function I return event; Parameters passed to the function are shown in the Event Object section below. By default, legend entries are interactive and when clicked they provide a useful action depending on what the entry represents. Arbitrary token values can also be used in the template and custom text for those tokens can be specified for each legend entry like so: By default, each series gets an entry in the legend. Events on ng2-chart. For NPM users: ... legend; datalabels; flags; crosshairs; Demo. Built on top of d3.js and stack.gl, Plotly.js is a high-level, declarative charting library. But I'm also trying to add an onClick event to the individual bars of the chart, and it's not finding the method I want it to call. In this video, we'll customize our React ChartJS pie chart by adding a custom legend! With standard types like line, column and zooming enabled or with organizational type, clicking a point entry can scroll the point into view. Generates legend items for each thing in the legend. var chart = new CanvasJS.Chart("container", onLeave: function These can be removed by setting their legendEntry_visible property to false. { // Label that will be displayed text: string, // Fill style of the legend box fillStyle: Color, // If true, this item represents a hidden dataset. However, with absolute or relative positioning, this setting should be specified with the legend.layout property: The legend.template property can be populated with a space or comma delimited string of expressions and tokens that define the data shown for each column. The currently active points and labels are returned as part of the emitted event’s data. With custom legend entry icons, legend entries can even be used as clickable buttons similar to uiItems. There are two charts on the page: A visits per day, and visits per hour (by individual day). Chartjs V2 Add Custom Legend and Show/Hide Chart Data through Click To add interactive feature for Chartjs version such as select/unselect group of data, you can use chart.metadata.hidden attribute. plotly.js ships with over 40 chart types, including 3D charts, statistical graphs, and SVG maps. However, legend entries can also show points, axis marker, and custom entries. Custom-Events. Point entry click event action can differ between chart types. Arguments: A callback that is called when a 'mousemove' event is registered on top of a label item. For example, a pie chart where entries represent slices can highlight or explode the pie slice. plotOptions.series.events.legendItemClick. The legend configuration is passed into the options.plugins.legend namespace. Custom entries can be used to populate the legend with any data or information. When series have entries in the legend a particular point entry can be added to the legend by setting the points legendEntry_visible to true. Default implementation returns the text + styling for the color box. These behavior can also be disabled by adding a click event handler that returns false. Receives 3 parameters, two, If specified, this style of point is used for the legend. legend. 'plotly_click', 'plotly_hover', 'plotly_relayout') when interacted with (clicked, hovered, zoomed).Event handlers can be bound to events using the .on method that is exposed by the plot div object. onHover: function: A callback that is called when a 'mousemove' event is registered on top of a label item. The following example will create a chart with the legend enabled and turn all of the text red in color. if (chart.data.datasets[i].label) { legendHtml.push('' + chart.data.datasets[i].label + ''); } and function. Arguments: [event, legendItem, legend]. Receives 2 parameters, a, Sorts legend items. This displays the Chart Tools, adding the Design, Layout, and Format tabs. An item label displays the series title. Clone via HTTPS Clone with Git or checkout with SVN using the repository’s web address. Entries can also be customized with event handlers to perform any desired actions. Both the xand y locations can be customized in the location property. your want to move bottom right or bottom left we want create custom legends . Items passed to the legend onClick function are the ones returned from labels.generateLabels.These items must implement the following interface. Each series (or points in case of pie charts) is represented by a symbol and its name in the legend. When using a position name such as 'topLeft' the legend entries are automatically laid out either vertically or horizontally depending on the position. On the Design tab, in the Data group, click Select Data. There are all sorts of things that can wrong, and I often just want to have something working so I can start tweaking it.. In the Select Data Source dialog box, in the Legend Entries (Series) box, select the legend … legend.position JSON Configuration Detailed inforation on how to use the legend.position options.. Sometimes chart elements are self-descriptive, like Pie chart slices with labels, or a Line chart with one line series. See https://developer.mozilla.org/en/docs/Web/API/CanvasRenderingContext2D/lineCap, // For box border. Now when you click the legend in this chart, the visibility of the first two datasets will be linked together. If the smartPalette options define color ranges, the legend will display these ranges instead. plotly.js is free and open source and you can view the source, report issues or contribute on GitHub . By default the name property of the series will be used if none are given. javascript - Click events on Pie Charts in Chart.js - Stack Overflow ... On legend click working fine with this code onClick: function(e, legendItem) ... After that on click function -> legantItem you can read the custom attribute value. It too is delimited by spaces or commas if commas are found in the string. Please note: it is possible to use jQuery events, but plotly.js no longer bundles jQuery, so we recommend using the plotly.js implementation. Give it a try. Sample Map Entry Zoom Sample demonstrates this using a custom entry to reset zoom that appears after a country entry is clicked. Other times, user might need some visual clues to make sense of the information. Event listener in javascript. This is a list of 10 working graphs (bar chart, pie chart, line chart, etc.) The legend title configuration is nested below the legend configuration using the title key. good-looking charts shouldn't be difficult Download v0.5.1 or use cdnjs ... you should see the following chart on your page: What Next? chartClick: fires when click on a chart has occurred, returns information regarding active points and labels; chartHover: fires when mousemove (hover) on a chart has occurred, returns information regarding active points and labels Chart.js is a popular open source library that helps us to plot data in web applications. Plotly graphs emit events prefixed with plotly_ (i.e. It is possible to override the symbol creator function and create custom legend symbols. Any icon from the icon library can be specified, or even an svg path can be specified. chart-options (default: {}): Chart.js options; chart-click (optional): onclick event handler; chart-hover (optional): onmousemove event handler; chart-colors (default to global colors): colors for the chart; chart-dataset-override (optional): override datasets individually See https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/setLineDash, // For box border. The chart will scale the given path to the appropriate size to fit it in the legend. This tutorial describes how the legend can be manipulated. This is unlikely to need to be changed in day-to-day use. The default action is to toggle the visibility of the series. morris.js. Like any other Highcharts module (e.g. Step1: Create a simple data series chart as explained here : Basics of creating a HTML5 multiple data series Chart Here, i’ve created a simple 3 series chart. legend: (boolean = false) – if true show legend below the chart, otherwise not be shown . It is highly customizable, but configuring all of its options remains a challenge for some people. Click the chart that displays the legend entries that you want to edit. Plugin that allows you to add extra events, like double / right click on each chart element, for Highcharts. Chart with legendNames: Sets custom legend names. so lets start the code...Let's try this code.... We could change the click handler accordingly. The Chart widget can include a legend - an explanatory component that helps you identify a series. Sets the click event handler for the legend, which is triggered when the user clicks on a legend item. Defaults to 'center' for unrecognized values. The location property is used for customizing the position of the chart legend. This can be prevented by returning false or calling event.preventDefault(). Thus, a click will trigger the changeColor ... Blue Red. The header property must contain the same number of items as the template. SmartPalette legend with ColorBar or ranges. An item marker identifies the series color. Arguments: Legend will show datasets in reverse order. The default values of these properties are. The most important parts are: onClick function call for each legend label. See https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/lineJoin, // Point style of the legend box (only used if usePointStyle is true), // Rotation of the point in degrees (only used if usePointStyle is true). The legend entry icon is fully customizable. Of course, the beauty of Chart.js is that your charts can easily by dynamic and update/respond to data received from a backend or from user input. The function has the chart, and the click event (e), as arguments. Steps: Here the button is created in html, but is made active thanks to javascript. The JSCharting legend is a powerful and fully customizable data grid that allows customizing columns with data attributes and calculations through the use of expressions. These items must implement the following interface. Version: 2.0.15. In general, legend entries represent series and in standard charts clicking the legend entry toggles the corresponding series visibility. Lets say we wanted instead to link the display of the first two datasets. Arguments: A callback that is called when a 'mousemove' event is registered outside of a previously hovered label item. A callback that is called when a click event is registered on a label item. exporting), add