DataV:The Double 11 Percentage Pie Chart widget

Chart Style

The percentage pie chart of Double 11 is a type of pie chart. Compared with the basic pie chart, the percentage pie chart of Double 11 is a pie chart widget customized for the Double 11 visualization application. It can display the sales status of Double 11 in a combination of graphics and text. For example, it shows the percentage of Super Affiliate in Double 11.

Settings Panel

• 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 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 icon.
  • Click the icon to horizontally flip a widget.
  • Click the 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

  Parameter	Description
  Outer Radius	The distance from the center of the circle to the outside of the ring. The value is a percentage of the height of the component. Valid values: 0 to 1.
  Inner Radius	The distance from the center of the circle to the inside of the ring. The value is a percentage of the height of the component. Valid values: 0 to 1.
  Circle Color	The color of the outermost circle of the pie chart. For more information, see color picker description.
  Circle Thickness	The thickness of the outermost circle of the pie chart.

• Gradient Options

  Parameter	Description
  Animation Duration (s)	The duration of the fan animation.
  Gradient Range	The gradient type of the fan color. Optional: Full Circle: Gradient fills the entire circle. Arc: fills an arc in a gradient.
  Color	Color at different locations in the gradient band. Click the or icon on the right to add or remove a color. Click the or icon to configure the arrangement style of multiple colors. Click the icon to copy the currently selected color and add a new color of the same style.

• Icon: the style of the icon in the middle of the pie chart.

  Parameter	Description
  File	You can move the pointer over the image box, click Delete, and upload a new icon image from your on-premises computer. If you need to use the icon on the remote server, you can enter the icon address to configure it.
  Width	The width of the icon. Unit: pixels.
  Height	The height of the icon. Unit: pixels.
  Top Offset	The offset distance of the icon from the top of the middle area boundary. Unit: px.
  Left Offset	The left offset distance of the icon from the middle area boundary. Unit: px.

• Title: the style of the pie chart title.

  • Text: the text content of the title.

  • Text Style

    Parameter	Description
    Font Family	The font family of the title text. Default value: Microsoft YaHei.
    Font Size	The size of the title text.
    Font Color	The color of the title text.
    Font Weight	The weight of the title text.
    Top Offset	The offset distance of the title text from the top of the icon. Unit: px.
    Left Offset	The left offset distance of the title text from the middle area boundary. Unit: px.

• Percent: the style of the middle percentage value in the pie chart.

  Parameter	Description
  Text Box Size	The percentage of the inner radius of the middle content area. Valid values: 0 to 1.
  Number Font Size	The size of the percentage numeric text.
  Percent Sign Size	The size of the percent text.
  Top Offset	The offset distance of the percentage value from the top of the title. Unit: px.
  Decimal Places	The number of decimal places to display for percentage values. Valid values: 0 to 2.
  Text Style	The text style of the percentage value. Font Family: the font family of the percentage value text. The default value is Microsoft YaHei. Font Color: the color of the text. Font Weight: the font weight of the text.

Data Panel

value: the specific value of the corresponding percentage. The value is a decimal. 1 indicates 100%.

Table 1. Parameters

Parameter	Description
Controlled Mode	If 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 Request	After 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 Source	In 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 Filter	If 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 Result	The response to a data request. If the data source changes, you can click the 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 icon in the upper-left corner of the page.

3. In Blueprint Editor, click the Percentage Pie Chart - Double 11 widget in the Added Nodes pane. On the canvas, you can view the parameters of the Double 11 Percentage Pie Chart, as shown in the following figure.

   • Event

     Event	Description
     On Completion of Data 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 Data 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 Data 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, if the API data source is https://api.test and the data passed to the Request Data Interface is { id: '1'}, the final request interface is https://api.test?id=1.
     Import Data 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" } }