Reading Dynamic Data

3min
In this example, we read the employee data records we created in the employee  table (Creating Dynamic Data﻿), to create a list of the employees and their details.
Datasources, jig & component 
default.jigx is the database where the  table is defined.
﻿sqlite﻿ datasource calls the  provider, using an SQL query to return the data.
﻿jig.list﻿ is the type of  we will use to list the data.
﻿expander﻿ component to show the  in. 
﻿Examples and code snippets﻿
This example uses the  table, columns, and data records created in the Creating Dynamic Data﻿ example to create a list of employees with their details. 
Reading Dynamic Data 
﻿
Here is what the data table employee resembles in Data﻿ in .
Employee Dynamic Data
﻿
list-employees.jigx
default.jigx
index.jigx
title: Employee list
type: jig.list
icon: list-stars

header:
  type: component.jig-header
  options:
    height: medium
    children:
      type: component.image
      options:
        source:
          uri: https://images.unsplash.com/photo-1531545514256-b1400bc00f31?q=80&w=1374&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D
# Use onfocus action to sync the data from the provider everytime the jig is opened  
onFocus:
  type: action.action-list
  options:
    isSequential: true
    actions:
      - type: action.sync-entities
        options:
        # The dynamic provider has the employee table and records that must sync when the jig is opened
          provider: DATA_PROVIDER_DYNAMIC
          entities:
            - default/employee

datasources:
  my-employees:
  # Use the SQLite data source to write a select query to return the exact data from the solution's Dynamic Data employee table to be used in the jig 
    type: datasource.sqlite
    options:
      provider: DATA_PROVIDER_DYNAMIC
  
      entities:
        - default/employee
  
      query: SELECT
               id,
               '$.first_name',
               '$.last_name', 
               '$.job_title',
               '$.email',
               '$.start_date',
               '$.department',
               '$.contact'
              FROM
               [default/employee] 

# Reference the datasource above to use as the data in the expander component
data: =@ctx.datasources.my-employees
item:
  type: component.expander
  options:
    header:
      centerElement: 
        type: component.titles
        options:
        # expressions are used to combine data from two columns to show in the list
          title: =(@ctx.current.item.first_name & ' ' & @ctx.current.item.last_name)
          subtitle: =@ctx.current.item.job_title
          icon: person
          
    children:
      - type: component.entity
        options:
          children:
            - type: component.entity-field
              options:
                label: Position
                value: =@ctx.current.item.job_title
            - type: component.entity-field
              options:
                label: Department
                value: =@ctx.current.item.department
            - type: component.entity-field
              options:
                label: Contact
                value: =@ctx.current.item.contact
                contentType: phone
            - type: component.entity-field
              options:
                label: Email
                value: =@ctx.current.item.email
                contentType: email

title: Employee list
type: jig.list
icon: list-stars

header:
  type: component.jig-header
  options:
    height: medium
    children:
      type: component.image
      options:
        source:
          uri: https://images.unsplash.com/photo-1531545514256-b1400bc00f31?q=80&w=1374&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D
# Use onfocus action to sync the data from the provider everytime the jig is opened  
onFocus:
  type: action.action-list
  options:
    isSequential: true
    actions:
      - type: action.sync-entities
        options:
        # The dynamic provider has the employee table and records that must sync when the jig is opened
          provider: DATA_PROVIDER_DYNAMIC
          entities:
            - default/employee

datasources:
  my-employees:
  # Use the SQLite data source to write a select query to return the exact data from the solution's Dynamic Data employee table to be used in the jig 
    type: datasource.sqlite
    options:
      provider: DATA_PROVIDER_DYNAMIC
  
      entities:
        - default/employee
  
      query: SELECT
               id,
               '$.first_name',
               '$.last_name', 
               '$.job_title',
               '$.email',
               '$.start_date',
               '$.department',
               '$.contact'
              FROM
               [default/employee] 

# Reference the datasource above to use as the data in the expander component
data: =@ctx.datasources.my-employees
item:
  type: component.expander
  options:
    header:
      centerElement: 
        type: component.titles
        options:
        # expressions are used to combine data from two columns to show in the list
          title: =(@ctx.current.item.first_name & ' ' & @ctx.current.item.last_name)
          subtitle: =@ctx.current.item.job_title
          icon: person
          
    children:
      - type: component.entity
        options:
          children:
            - type: component.entity-field
              options:
                label: Position
                value: =@ctx.current.item.job_title
            - type: component.entity-field
              options:
                label: Department
                value: =@ctx.current.item.department
            - type: component.entity-field
              options:
                label: Contact
                value: =@ctx.current.item.contact
                contentType: phone
            - type: component.entity-field
              options:
                label: Email
                value: =@ctx.current.item.email
                contentType: email
﻿
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Creating Dynamic Data
Updating Dynamic Data
Reading Dynamic Data

Datasources, jig & component

﻿Examples and code snippets﻿

Examples and code snippets
