chart js custom legend click event

Legend template property defines columns for a legend that apply to all entries. We could change the click handler accordingly. The default action is to toggle the visibility of the series. In chart js library legends defaultly have four postions (top,right,bottom,left). Sets the click event handler for the legend, which is triggered when the user clicks on a legend item. Thus, a click will trigger the changeColor ... Blue Red. Legend is placed in provided location only when value of position property is custom. After the event is triggered, the event related data is passed as a parameter to the assigned event handler. so lets start the code...Let's try this code.... The legend title configuration is nested below the legend configuration using the title key. var chart = new CanvasJS.Chart("container", Entries can also be customized with event handlers to perform any desired actions. AxisMarkers entries are added to the legend by default as well. Label style will match corresponding point style (size is based on the minimum value between boxWidth and font.size). 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 Point entry click event action can differ between chart types. There are two charts on the page: A visits per day, and visits per hour (by individual day). 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. 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. In this video, we'll customize our React ChartJS pie chart by adding a custom legend! Clone via HTTPS Clone with Git or checkout with SVN using the repository’s web address. 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. Sample Map Entry Zoom Sample demonstrates this using a custom entry to reset zoom that appears after a country entry is clicked. Items passed to the legend onClick function are the ones returned from labels.generateLabels.These items must implement the following interface. 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). Receives 3 parameters, two, If specified, this style of point is used for the legend. Steps: Here the button is created in html, but is made active thanks to javascript. Padding around the title. The chart legend displays data about the datasets that are appearing on the chart. An item marker identifies the series color. morris.js. Each series is represented by an item on a Legend. Custom entries can be used to populate the legend with any data or information. 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 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. See https://developer.mozilla.org/en/docs/Web/API/CanvasRenderingContext2D/lineCap, // For box border. The following example will create a chart with the legend enabled and turn all of the text red in color. Both the xand y locations can be customized in the location property. However, legend entries can also show points, axis marker, and custom entries. With custom legend entry icons, legend entries can even be used as clickable buttons similar to uiItems. It is highly customizable, but configuring all of its options remains a challenge for some people. '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. Custom legend entries can be added to the legend through the legend.customEntries property. Chart with legendNames: Sets custom legend names. Recharts - Re-designed charting library built with React and D3. 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. 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. { // Label that will be displayed text: string, // Fill style of the legend box fillStyle: Color, // If true, this item represents a hidden dataset. Built on top of d3.js and stack.gl, Plotly.js is a high-level, declarative charting library. Some of the legend features include: The legend can be positioned anywhere around the chart area by setting the legend.position property. 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. By default, legend entries are interactive and when clicked they provide a useful action depending on what the entry represents. Custom-Events. The legend configuration is passed into the options.plugins.legend namespace. The Chart widget can include a legend - an explanatory component that helps you identify a series. These can be removed by setting their legendEntry_visible property to false. Tokens used with custom entries are evaluated using the series collection token list which refers to series on the chart. onClick: function: A callback that is called when a click event is registered on a label item. Plugin. The currently active points and labels are returned as part of the emitted event’s data. if (chart.data.datasets[i].label) { legendHtml.push('' + chart.data.datasets[i].label + ''); } and function. plotOptions.series.events.legendItemClick. javascript $ It is possible to override the symbol creator function and create custom legend symbols. There are all sorts of things that can wrong, and I often just want to have something working so I can start tweaking it.. The most important parts are: onClick function call for each legend label. Any icon from the icon library can be specified, or even an svg path can be specified. See https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/lineDashOffset, // For box border. The default values of these properties are. If specified as a number, it applies evenly to all sides. SmartPalette legend with ColorBar or ranges. Events on ng2-chart. Like any other Highcharts module (e.g. I'm trying to user Chart.JS to render a chart - and it's working fine to render the chart. It too is delimited by spaces or commas if commas are found in the string. Arguments: A callback that is called when a 'mousemove' event is registered on top of a label item. In the bellow example we add a new data points for the month of May: This is what i can suggest. An item label displays the series title. Similarly, any series legend entry can be removed from the legend by setting its legendEntry_visible to false. Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor. 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. Version: 2.0.15. In the Select Data Source dialog box, in the Legend Entries (Series) box, select the legend … 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. The legend entry icon is fully customizable. The location property is used for customizing the position of the chart legend. These behavior can also be disabled by adding a click event handler that returns false. your want to move bottom right or bottom left we want create custom legends . It can be common to want to trigger different behaviour when clicking an item in the legend. Items passed to the legend onClick function are the ones returned from labels.generateLabels. The function has the chart, and the click event (e), as arguments. Parameters passed to the function are shown in the Event Object section below. exporting), add