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DataV:The Progress Donut Chart(Standard) widget

Last Updated:May 11, 2023

This topic describes the chart style and configuration panel of the progress donut chart.

Chart Style

A progress donut chart chart is a type of pie chart. Compared with a basic pie chart, a progress donut chart chart is suitable for displaying the proportion of data in a single category to the overall data. Multi-data series configuration is not supported.

image..png

Settings Panelimage..png

  • Search for Configurations: In the right-side panel of Canvas Editor, click the Settings tab, and click Search for Configurations in the upper-right corner. Enter the required configuration item in the search box, and click the search icon to quickly locate the configuration item. Fuzzy match is supported. For more information, see Search for asset configurations.
  • Size: indicates the size of a widget, including its pixel width and height. You can click the Proportional resizing icon to proportionally adjust the width and height of a widget. After you click this icon again, you can adjust the width and height as needed.
  • Position: the position of a widget, which is indicated by pixel X and Y coordinates. X-coordinate indicates the pixel distance between the upper-left corner of the widget and the left border of the canvas. Y-coordinate indicates the pixel distance between the upper-left corner of the widget and the upper border of the canvas.
  • Rotation Angle: the angle of a rotation that uses the center point of a widget as the rotation point. The unit is degrees (°). You can use one of the following methods to control the rotation angle of a widget:
    • Directly enter the degrees in the Rotation Angle spin box or click the plus sign (+) or minus sign (-) to increase or decrease the value in the Rotation Angle spin box.
    • Drag the black dot in the Rotation control icon icon.
    • Click the Horizontal flip icon to horizontally flip a widget.
    • Click the Vertical flip icon to vertically flip a widget.
  • Opacity: the opacity of a widget. Valid values: 0 and 1. If this parameter is set to 0, the widget is hidden. If this parameter is set to 1, the widget is completely displayed. Default value: 1.

    • Chart Options: the basic attributes of a pie chart. image..png

      Parameter

      Description

      Inner Radius

      The inner radius of the pie chart. The value is a percentage of the widget height. Valid values: 0 to 1.

      Outer Radius

      The outer radius of the pie chart. The value is a percentage of the widget height. Valid values: 0 to 1.

      Color

      The background color of the pie chart. It is displayed as the sector that is not covered. For more information, see the color picker description.

  • Gradient Options image..png

    Parameter

    Description

    Start Color

    The color of the pie start time just above the pie chart.

    End Color

    The color of the end point of the fan. The color of the fan in the pie chart is a gradient from the color of the start point to the color of the end.

    Animation Duration(s)

    The duration during which the pie chart gradually grows from the starting point to the end.

  • Percent: the style of the middle percentage portion of the pie chart. image..png

    Parameter

    Description

    Text Style

    The text style of the middle percentage part, including the text font, color, and weight.

    Text Box Size

    The width of the middle percentage. The value is the percentage of the outer radius of the pie chart. Valid values: 0 to 1. If the setting is small, the numbers and symbols will be displayed in two lines. If the setting is too small, the numbers and symbols will be squeezed together. image..png

    Number Font Size

    The size of the numeric text.

    Decimal Places

    The number of decimal places of the number.

    Percent Symbol

    The unit symbol for the percentage value.

    Percent Symbol Size

    The text size in units of percent values.

    Percentage Position

    The position of the unit symbol of the percentage value. Valent values: Front and End.

    Percent Offset

    Percent sign and percentage distance.

Data Panel image..png

Value: the percentage of the sector in the pie chart. The value is a decimal. 1 indicates 100%.

Table 1. Parameters
ParameterDescription
Controlled ModeIf you turn on the switch, data is not requested when a widget is initialized. Data requests are triggered only based on callback IDs or the method configured in Blueprint Editor. If you turn off the switch, data requests are automatically triggered. By default, the switch is turned off.
Auto Data RequestAfter you select the Auto Data Request check box, you can enable dynamic polling, and manually specify the polling interval. If you do not select this check box, data is not automatically requested. You must manually refresh the page to request data or use Blueprint Editor or callback ID events to trigger data requests.
Data SourceIn the right-side panel of Canvas Editor, click the Data tab. Click Set next to Static Data. In the Configure Datasource panel, select a data source from the Data Source Type drop-down list. Enter code for data query in the code editor, click Preview Data Response to preview the response of the data source, and then view the response. For more information, see Configure asset data.
Data FilterIf you select the Data Filter check box, you can convert the data structure, filter data, and perform simple calculations. If you click the plus sign (+) next to Add Filter, you can configure the script for the data filter in the editor that appears. For more information, see Use the data filter.
Data Response ResultThe response to a data request. If the data source changes, you can click the Refresh icon icon next to Data Response Result to view the data response in real time.

Interaction Panel

This widget does not support interaction events.

Configure interactions in Blueprint Editor

  1. In Canvas Editor, right-click a widget in the Layer panel and select Add to Blueprint Editor.
  2. Click the Blueprint Editor icon icon in the upper-left corner of the page.
  3. In Blueprint Editor, click Progress Donut Chart (Standard) in the Imported Nodes pane. You can view the progress donut chart parameters in the canvas, as shown in the following figure. 节点编程面板

    • Event

      Event

      Description

      On Completion of Chart Interface Request

      The event is triggered with the processed JSON data after a data interface request is responded and processed by a filter. For more information about specific data examples, see the Data Response Result section of the Data tab in the right-side configuration panel of the canvas editor.

      On Failure of Chart Interface Request

      The event that is returned when a data interface request fails (the request may be due to network problems or interface errors) and is processed by the filter. The event also throws the processed JSON data. For more information about specific data examples, see the Data Response Result section of the Data tab in the right-side configuration panel of the canvas editor.

    • Action

      Action

      Description

      Request Chart Interface

      This action is performed to request the server data again. The data sent by an upstream data processing node or layer node is used as a parameter. For example, progress donut chart the API data source is configured as https://api.test and the data transferred to the Request Chart Interface is { id: '1'}, the final request interface is https://api.test?id=1.

      Import Chart Interface

      After data of a widget is processed in accordance with its drawing format, the widget is imported for redrawing. You do not need to request server data again. For more information about specific data examples, see the Data Response Result section of the Data tab in the right-side configuration panel of the canvas editor.

      Update Widget Configurations

      Style configurations of widgets are dynamically updated. In the Configuration panel, click Copy Configuration to Clipboard to obtain the configuration data of the component. After that, change the style field for the data processing node in Blueprint Editor.

      Show

      The following example shows the widget.

      return{
        "animationType": "",
        "animationDuration": 1000,
        "animationEasing": "linear"
      }

      Hide

      The following example shows how to hide a widget:

      return{
        "animationType": "",
        "animationDuration": 1000,
        "animationEasing": "linear"
      }

      Hide/Show

      The following example shows whether to show or hide a widget.

      return {
        "animationIn": {
          "animationType": "",
          "animationDuration": 1000,
          "animationEasing": "linear"
        },
        "animationOut": {
          "animationType": "",
          "animationDuration": 1000,
          "animationEasing": "linear"
        }
      }

      Move

      Move a widget to a specified location. The following example shows the reference data.

          return{      
            // The positioning type. to indicates absolute positioning, whereas by indicates relative positioning. The default value is to. 
              "positionType": "to",
            // The location, which is indicated by the x and y coordinates. 
            "attr": {
              "x": 0,
              "y": 0
            },
            // The animation type. 
            "animation": {
              "enable": false,
              // The duration in which animation is displayed. 
              "animationDuration": 1000,
              // The animation curve, which can be set to linear|easeInOutQuad|easeInOutExpo. 
              "animationEasing": "linear"
            }
          }