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Themes

FusionTime allows you to set the visual appearance, behavior and intelligence aspects of the time-series chart using themes.

In this article, we will discuss how to apply themes to a time-series chart.

In a theme file, you can centralize the following aspects of a chart:

  • Visual appearance (data plot color, font color, font size, etc.)
  • Behavior (hover effects for data plots)
  • Intelligence (applying different colors to the positive and negative data plots in all column 2D charts that use the theme)

FusionTime ships with the following predefined themes:

  • fusion
  • gammel
  • candy

A Column 2D chart showcasing the 3 themes mentioned above is given below:

Loading data for chart…

Click here to edit the above chart.

The full code of the above sample is given below:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Create your First Chart</title>
    <style type="text/css">
      #container {
        width: 700px;
      }
    </style>
  </head>

  <body>
    <div id="container"></div>
    <script src="path/to/local/fusioncharts.js"></script>
    <script src="path/to/local/data.js"></script>
    <script src="path/to/local/schema.js"></script>
    <script src="path/to/local/js/themes/fusioncharts.themes.fusion.js"></script>
    <script>
      let fusionDataStore = new FusionCharts.DataStore();
      let fusionTable = fusionDataStore.createDataTable(data, schema);

      new FusionCharts({
        type: "timeseries",
        renderAt: "container",
        width: "90%",
        height: 650,
        dataSource: {
          data: fusionTable,
          chart: {
            theme: "fusion" //Apply theme
          },
          yAxis: [
            {
              plot: {
                title: "Sales ($)"
              }
            }
          ],
          caption: {
            text: "Online Sales of a SuperStore in the US"
          }
        }
      }).render();
    </script>
  </body>
</html>

In the above code:

In the above code:

  • Include fusioncharts.js file.

  • Include data.json and schema.json files.

  • Include fusincharts.theme.fusion file.

  • Create an empty storage as fusionDataStore using FusionCharts.DataStore.

  • Create a DataTable within the empty storage using fusionDataStore.createDataTable and pass the schema and data to the the DataTable.

  • Define the chart configuration in the FusionCharts constructor:

    • Set the type as timeseries.

    • Set the chart container as container using the renderAt property.

    • Set the width and height (in pixels).

    • Set the name of the DataTable as the value of the data property of dataSource.

    • Set the data to create the chart.

    • Specify the theme you want to apply to the chart using theme attribute in chart object.

    • Specify the caption of the chart using text attribute in caption object.

the value of the theme attribute has been set to fusion. To apply gammel or candy to your chart, set the value of theme attribute under chart object.