DataV:event-gauge

Chart style

An event dashboard is a quasi-materialized chart. The scale indicates a measure, the pointer indicates a dimension, and the pointer angle indicates a value. The dashboard chart is like a car's speedometer, with a circular dial and corresponding scale, and a pointer pointing to the current value.

Style Panel

• Search Configuration: Click the Search configuration items icon in the upper-right corner of the Style panel. In the Search Configuration panel, enter the name of the configuration items that you want to search for and locate the configuration items. Fuzzy match is supported. For more information, see Search configuration items.

  • Size: the width and height of the widget. Unit: pixels.

  • Positioning: the x-axis and y-axis of the component. Unit: pixels. 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.

  • Rotate: The widget is rotated around the center of the widget. Unit: degrees.

    • 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.

    • Click the icon to flip the widget style.

    • Click the icon to flip the widget style.

  • Opacity: Valid values: 0 to 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.

• Text Style: the style of the text in the dashboard, including the font style, weight, font size, and color of the text.

• Image Style: the style of the event image on the dashboard. You can drag the slider to adjust the length, height, and transparency of the icon.

• Background Style: the background style of the dashboard.

  Metric	description
  Outer Arc Color	The color of the line outside the dashboard arc.
  Middle Arc Color	The color of the center arc area of the dashboard.
  Inner Arc Color	The line color of the inside of the dashboard arc.
  Outside Scale Color	The color of the scale on the outside of the dashboard arc.
  Inside Scale Color	The color of the scale on the inside of the dashboard arc.
  Triangle Arrow Color	The color of the dashboard triangle arrow.
  Widget Background Color	The background color of the dashboard component.

Data Sources panel

Advanced Panel

Turn on the switch to enable the associated global variable feature. When an event in the dashboard is clicked, a data request is triggered, and a temporary variable is thrown to dynamically load data for different events. By default, the id and context values in the data are returned. For more information, see Component interaction configuration.

Blueprint Interaction

1. Click the icon in the upper-left corner to go to the Blueprint page.

2. On the Layer Nodes tab, add the widget to the main canvas.

3. View blueprint configuration parameters.

   • Event

     Event	Description
     When the mapping data request is completed	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 Source tab in the right-side configuration panel of the canvas editor.
     Click event trigger	Click the event trigger in the dashboard to throw the event data and the data item corresponding to the event. For more information, see the data example. { "id": 1, "context": "China" }

   • Action

     Action	Description
     Import mapping data	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, see the data example. [ { "id": 139340, "context": "France", "url": "https://img.alicdn.com/tfs/TB1s2CRgv9TBuNjy0FcXXbeiFXa-200-133.png" } ]
     Request mapping data	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 Mapping Data action is { id: '1'}, the final request interface is https://api.test?id=1.
     Move	Move a widget to a specified location. For more information, see the data example. { // 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" } }
     Switch Display /Display	Toggles whether the widget is displayed or hidden. No parameters are required.
     Display	Display the widget. For more information, see Data example. { "animationType": "",// The animation method. Valid value: fade. If you do not specify this parameter, no animation is generated. "animationDuration": 1000,// The animation delay. Unit: ms. "animationEasing": ""// animation curve }
     Hide	Hide the component. For more information, see Data example. { "animationType": "",// The animation method. Valid value: fade. If you do not specify this parameter, no animation is generated. "animationDuration": 1000,// The animation delay. Unit: ms. "animationEasing": ""// animation curve }
     Update component configurations	Style configurations of widgets are dynamically updated. In the Style panel, click Copy Configuration to Clipboard to obtain the configuration data of the widget. After that, change the style field for the data processing node in Blueprint Editor.

Case demonstration

In this example, the dashboard rotation feature is used to click the dashboard event and locate the corresponding data in the carousel list.

1. Log on to the DataV console.

2. Select a dashboard and click Edit to go to the Canvas Editor page.

3. Add the carousel list and event dashboard components to the canvas.

4. Click the carousel list, select the data source panel, and modify static data.

   [
     {
       "id": 206252,
       "context": "United States",
       "url": "https://img.alicdn.com/tfs/TB1L9K2gv5TBuNjSspcXXbnGFXa-224-118.png"
     },
     {
       "id": 152418,
       "context": "Spain",
       "url": "https://img.alicdn.com/tfs/TB1pEu5gv9TBuNjy1zbXXXpepXa-200-133.png"
     },
     {
       "id": 139340,
       "context": "France",
       "url": "https://img.alicdn.com/tfs/TB1s2CRgv9TBuNjy0FcXXbeiFXa-200-133.png"
     },
     {
       "id": 138786,
       "context": "Singapore",
       "url": "https://img.alicdn.com/tfs/TB11znbgx1YBuNjy1zcXXbNcXXa-200-133.png"
     },
     {
       "id": 95516,
       "context": "Netherlands",
       "url": "https://img.alicdn.com/tfs/TB1D4CygrSYBuNjSspiXXXNzpXa-200-133.png"
     },
     {
       "id": 90197,
       "context": "Poland",
       "url": "https://img.alicdn.com/tfs/TB1K4vcguOSBuNjy0FdXXbDnVXa-206-129.png"
     },
     {
       "id": 82697,
       "context": "Israel",
       "url": "https://img.alicdn.com/tfs/TB1DDKIgwaTBuNjSszfXXXgfpXa-192-140.png"
     },
     {
       "id": 50096,
       "context": "Turkey",
       "url": "https://img.alicdn.com/tfs/TB16lUjgDlYBeNjSszcXXbwhFXa-200-133.png"
     },
     {
       "id": 49162,
       "context": "Ukraine",
       "url": "https://img.alicdn.com/tfs/TB1DbgTgDJYBeNjy1zeXXahzVXa-200-133.png"
     },
     {
       "id": 47290,
       "context": "Brazil",
       "url": "https://img.alicdn.com/tfs/TB1SIAwgCBYBeNjy0FeXXbnmFXa-196-137.png"
     },
     {
       "id": 46465,
       "context": "Italy",
       "url": "https://img.alicdn.com/tfs/TB1bHkTgDJYBeNjy1zeXXahzVXa-200-133.png"
     }
   ]

5. In the Style panel, turn on Highlight and Whether to carousel. Change the Table Rows parameter to 5. Change the parameter field in the Custom Column Label Align Data Source panel.

6. Click the icon in the upper-left corner to go to the Blueprint page.

7. On the Layer Nodes tab, add all components to the main canvas.

8. On the Logical Nodes tab, add a serial data processing node to the main canvas.

9. Connect components.

10. Configure the processing method of the Serial Data Processing node.

    return [
      {
        "id": data.id,
        "context": data.context,
        "url": data.url
      }
    ]

11. Click Preview in the upper-right corner to preview the results.