Class: DataWidget

(abstract) parasql.widget.DataWidget

Copyright:
  • ParaSQL LLC 2013-2020. All rights reserved.
License:

Extends

Methods

addEventListener(type, listener)

Adds an event listener to this widget. This can also be done via the Events... option on the tool bar.
Parameters:
Name Type Description
type string A valid event type.
listener string A string containing either the name of a JavaScript function to call, an inline function to be called, or code that resolves to an object which implements a handleEvent(event) method.
Inherited From:
See:
Examples
// add an inline function as an event listener 
parasql.app.getWidgetById('ID1007').addEventListener('render','function (event) { event.target.getContentDiv().innerHTML = "Inline Hello World"; }');
// add a function call as an event listener
parasql.app.getWidgetById('ID1008').addEventListener('render','renderHelloWidget');
// add an object as an event listener; the object must implement handleEvent(event)
document.myClass = new MyClass();
parasql.app.getWidgetById('ID1009').addEventListener('render','document.myClass');

getDataTable() → {parasql.schema.DataTable}

Returns:
The DataTable containing the data for this object.
Type
parasql.schema.DataTable

getQueries() → {Array.<parasql.widget.util.Query>}

You can change the active query via the parasql.widget.DataWidget#setActiveQuery method.
Returns:
Returns the array of Query objects owned by this DataWidget.
Type
Array.<parasql.widget.util.Query>

getQueryById(queryId) → (nullable) {parasql.widget.util.Query}

Parameters:
Name Type Description
queryId string
Since:
  • v101
Returns:
Returns the Query object with the specified queryId, or null if no query with that ID exists.
Type
parasql.widget.util.Query

getQueryByName(queryName) → (nullable) {parasql.widget.util.Query}

Parameters:
Name Type Description
queryName string
Since:
  • v101
Returns:
Returns the Query object with the specified queryName, or null if no query with that name exists.
Type
parasql.widget.util.Query

getSelectedRowIndex() → {number}

Since:
  • v60
Returns:
Returns the index of the currently selected row; if no row is selected returns -1. The first row is 0.
Type
number

getTransactionSet() → {parasql.schema.TransactionSet}

Since:
  • v64
Returns:
Type
parasql.schema.TransactionSet

getWidgetId() → (non-null) {string}

Inherited From:
Returns:
Returns an immutable string that uniquely identifies this widget.
Type
string

redisplay()

Redisplays this widget.
Inherited From:

refreshQuery()

Executes the currently active query. To change the active query call the parasql.widget.DataWidget#setActiveQuery method.

setActiveQuery(queryObject)

Sets the active query but does not run it. To run the active query call the parasql.widget.DataWidget#refreshQuery method.
Parameters:
Name Type Description
queryObject parasql.widget.util.Query A valid query object.
Since:
  • v88

setSelectedRowIndex(index)

Parameters:
Name Type Description
index number The index of the row to select; the first row is 0. A value of -1 causes no row to be selected.
Since:
  • v60