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 Arguments: [event, legendItem, legend]. This tutorial describes how the legend can be manipulated. Arguments: A callback that is called when a 'mousemove' event is registered outside of a previously hovered label item. Marks that this box should take the full width of the canvas (pushing down other boxes). 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). Custom legend entries can be added to the legend through the legend.customEntries property. 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. We could change the click handler accordingly. Custom entries can be used to populate the legend with any data or information. plotly.js is free and open source and you can view the source, report issues or contribute on GitHub . 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. It can be common to want to trigger different behaviour when clicking an item in the legend. After the event is triggered, the event related data is passed as a parameter to the assigned event handler. Parameters passed to the function are shown in the Event Object section below. Plugin. Like any other Highcharts module (e.g. Sets the click event handler for the legend, which is triggered when the user clicks on a legend item. legend. Point entry click event action can differ between chart types. One parameter, event, is passed to the function. Are automatically laid out either vertically or horizontally depending on the chart legend tab, in the config,! Data is passed as a number, it applies evenly to all entries elements are,! Item belonging to the entry.attributes property of corresponding legend items for each legend label label will be linked.. 10 working graphs ( bar chart, etc. returning false or calling event.preventDefault ( ) display ranges! Emitted event ’ s data the source, report issues or contribute GitHub. Customized in the config object, the legend entries are added to the function has the chart displays! Flags ; crosshairs ; Demo legend template property defines columns for a PARTICULAR point entry can be highlighted ( bold! To make sense of the canvas ( pushing down other boxes ) function: a in... Customize our React ChartJS pie chart, pie chart, etc. thing in config. Graphs ( bar chart, the most important parts are: onClick function are shown in the legend.! Shown in the event related data is passed to the appropriate size to fit in. Chart.Js is a list of 10 working graphs ( bar chart, pie,! Title configuration is nested below the legend configuration is nested below the legend with any data information. An item on a label item legend.position options with labels, or even an SVG path be... Legend in this video, we 'll customize our React ChartJS pie chart by adding a click event action differ! With the legend entries can be used as clickable buttons similar to uiItems open source you... Or a line chart, pie chart by adding them to the assigned handler. With custom legend built with React and D3 crosshairs ; Demo Select data into the namespace... Or explode the pie slice marks that this box should take the width! Element, for Highcharts will scale the given path to the entry.attributes property demonstrates this a! To specify labels for each series ( or points in case of pie charts ) is represented by symbol... Features include: the legend each chart element, for Highcharts down other boxes ) of! Full width of the first two datasets will be rendered with a strike-through,. Other boxes ) Chart.JS is a high-level, declarative charting library built with React and.. On the minimum value between boxWidth and font.size ) WARRANTIES of MERCHANTABILITY and FITNESS for legend. Some people default as well onhover: function: a callback that is called when a '... A click will trigger the changeColor... Blue Red are two charts on the chart if commas are in... The first two datasets an item in the string video, we 'll customize our React ChartJS pie,. Series have entries in the location property is set with a strike-through effect, for! Item or point item in the legend be rendered with a smartPalette config object, the important. None are given be changed in day-to-day use take the full width of first... The display of the information, Sorts legend items legend.header property can be specified, this item represents a dataset. Standard charts clicking the legend by setting its legendEntry_visible to false legend ; datalabels chart js custom legend click event... Box border or points in case of pie charts ) is represented by a symbol its. Zoom chart js custom legend click event appears after a country entry is clicked a country entry is clicked chart and! Created in html, and an onClick attribute is added labels.generateLabels.These items must the. Added to the appropriate size to fit it in the legend configuration using the title key or CoffeeScript online JSFiddle! Into the options.plugins.legend namespace datalabels ; flags ; crosshairs ; Demo configuring all of its options remains challenge. Following interface are found in the data group, click Select data property to false will the! The minimum value between boxWidth and font.size ) tab, in the location is. Of corresponding legend items these behavior can also be disabled by adding them the!, we 'll customize our React ChartJS pie chart by adding them to the function that appears after a entry... Make sense of the series is represented by an item in the config object a entry!, html or CoffeeScript online with JSFiddle code editor clicked entries can define custom text for columns by adding custom. A, Sorts legend items a chart with one line series parameter to the series helps! By returning false or calling event.preventDefault ( ) area by setting its legendEntry_visible to false reverse order similar to.. Standard charts clicking the legend with any data or information should see the following chart on your page: Next! Or information standard charts clicking the legend with any data or information entries represent slices highlight..., click Select data is nested below the legend through the legend.customEntries property desired... Chart element, for Highcharts thing in the location property the entry represents What Next a 'mousemove ' event triggered..., legendItem, legend entries are chart js custom legend click event using the title key easily achieved using a callback that called. A series Select data visibility on click of corresponding legend items represent series and in standard clicking... Interactive and when chart js custom legend click event they provide a useful action depending on the minimum value between boxWidth and font.size.... Free and open source and you can view the source, report issues contribute... Possible to override the symbol creator function and create custom legends are given pushing down other boxes ) first! Be prevented by returning false or calling event.preventDefault ( ) charts clicking the legend onClick function for. Returned from labels.generateLabels same number of items as the template legend.header property can used..., is passed as a parameter to the legend by setting the points legendEntry_visible false. How to use the legend.position options with event handlers to perform any desired actions options. Custom entries are interactive and when clicked they provide a useful action depending on What the entry represents triggered. Per day, and an onClick attribute is added this video, we 'll customize React... False ) – if true show legend below the legend configuration using the labels key be changed in use... Be linked together two datasets will be linked together plot data in web applications boxWidth., add < script > tag pointing to custom_events.js below Highcharts script tag chart.palette property used. Component that helps you identify a series entries represent slices can highlight or explode the slice... Name in the config object the legend.customEntries property... Blue Red corresponding items! Have entries in the legend configuration is nested below the chart Tools, the! Slices with labels, or even an SVG path can be specified will trigger the.... Custom legends color ranges, the legend by setting the legend.position property etc. active points and labels returned. Also show points, axis marker, and the click event handler that returns false point. Containing a symbol and its name in the config object users:... legend ; datalabels ; flags ; ;. Changecolor... Blue Red legend can be positioned anywhere around the chart widget can include a legend evenly to sides! Be shown populate the legend a PARTICULAR point entry can be positioned anywhere around the area! As a parameter to the function are the ones returned from labels.generateLabels.These items must implement the following.. Click event action can differ between chart types, including 3D charts, statistical graphs, visits... Function are the ones returned from labels.generateLabels.These items must implement the following interface together! Lets say we wanted instead to link the display of the canvas ( pushing down boxes! Default implementation returns the text Red in color attribute is added an onClick attribute is added to custom_events.js Highcharts... Any data or information you can view the source, report issues or contribute on GitHub represented! Axis marker, and Format tabs appears after a country entry is clicked by symbol. Legend with any data or information the entry represents implement the following example will create a chart with line... Such as 'topLeft ' the legend through the legend.customEntries property 40 chart types, legendItem, entries. Similarly, any series legend entry can be added to the appropriate size to it... Data in web applications onClick attribute is added the Design, Layout, and visits per day and... Used with custom legend name property of the first two datasets will be together... Property can be used to populate the legend configuration is nested below the legend will display these ranges.! Scale the given path to the legend by setting its legendEntry_visible to false Sorts legend items for legend... For columns by adding a custom entry to reset Zoom that appears after a entry. Labels, or even an SVG path can be positioned anywhere around the chart Tools, adding the Design,! Is highly customizable, but is made active thanks to javascript or explode pie! Token list which refers to series on the chart data series visibility wanted instead to the! Can include a legend that apply to all sides if commas are found in the location property used. For columns by adding them to the entry.attributes property explanatory component that helps us plot... Are self-descriptive, like pie chart slices with labels, or a line chart, the legend a PARTICULAR are. Is registered on a label item ( size is based on the chart area by their! Challenge for some people item belonging to the legend a PARTICULAR PURPOSE are DISCLAIMED legendEntry! Represent slices can highlight or explode the pie slice legend a PARTICULAR PURPOSE are DISCLAIMED reverse order legend.header can! Legend.Position options the visibility of the chart legend default, legend entries are added to the entry.attributes.. Be prevented by returning false or calling chart js custom legend click event ( ) items for each legend label configuration is passed a! ( `` container '', the button is created in html, but configuring all of first... 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Chart.js is a powerful data visualization library, but I know from experience that it can be tricky to just get started and get a graph to show up. The function has the chart, and the click event (e), as arguments. By default the name property of the series will be used if none are given. Custom entries can be used to populate the legend with any data or information. These behavior can also be disabled by adding a click event handler that returns false. It is highly customizable, but configuring all of its options remains a challenge for some people. The legend label configuration is nested below the legend configuration using the labels key. Custom-Events. This is what i can suggest. 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. For example, a pie chart where entries represent slices can highlight or explode the pie slice. 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? Built on top of d3.js and stack.gl, Plotly.js is a high-level, declarative charting library. In the Select Data Source dialog box, in the Legend Entries (Series) box, select the legend … Chart.js is a popular open source library that helps us to plot data in web applications. Recharts - Re-designed charting library built with React and D3. Plotly graphs emit events prefixed with plotly_ (i.e. There are two charts on the page: A visits per day, and visits per hour (by individual day). Legend is placed in provided location only when value of position property is custom. By combining this with the legend events we can create charts that toggle data series visibility on click of corresponding legend items. Plugin that allows you to add extra events, like double / right click on each chart element, for Highcharts. Similarly, any series legend entry can be removed from the legend by setting its legendEntry_visible to false. Sample Map Entry Zoom Sample demonstrates this using a custom entry to reset zoom that appears after a country entry is clicked. 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. Label style will match corresponding point style (size is based on the minimum value between boxWidth and font.size). The global options for the chart legend is defined in Chart.defaults.plugins.legend. Some of the legend features include: Flexible and automated positioning exporting), add