ChartWidget

parasql.widget. ChartWidget

Chart colors can be easily customized via CSS; please see one of the style sheets for an example.

Extends

Methods

clearRecords()

Clears all rows in this.dataTable.

Description:

  • Clears all rows in this.dataTable. If the transaction set is dirty the user is prompted to save before clearing.

Inherited From:

clearRecordsDiscardChanges()

Clears all rows in this.dataTable.

Description:

  • Clears all rows in this.dataTable. If the transaction set is dirty the changes are silently discarded.

Inherited From:

clearSelection()

Clears the current row selection.

Description:

  • Clears the current row selection.

Inherited From:

getActiveQuery() → {parasql.widget.util.Query}

Inherited From:
Returns:

Returns the currently active query object, or null if there is no active query.

Type
parasql.widget.util.Query

getDataTable() → {parasql.schema.DataTable}

Inherited From:
Returns:

The DataTable containing the data for this object.

Type
parasql.schema.DataTable

getFirstValue(tableName, columnName) → (nullable) {parasql.schema.DataValue}

Inherited From:
Parameters:
Name Type Description
tableName string
columnName string
Returns:

Returns the value of the specified field in the first visible record, or null if there is no such record. The first visible record is determined by this object's cursor and may NOT be the first row in the underlying data table if this is a child DataWidget.

Type
parasql.schema.DataValue

getGChart() → {google.visualization.Chart}

Returns:

Returns the Google Chart object used to render this ChartWidget.

Type
google.visualization.Chart

getLastRenderedDataCell() → {parasql.widget.ReportWidget.DataCellInfo}

Inherited From:
Returns:

Returns info about the last rendered data cell.

Type
parasql.widget.ReportWidget.DataCellInfo

getMap() → {google.maps.Map}

Example
myChartWidget.getMap().setZoom(15);
Returns:

Returns the underlying Map instance if this ChartWidget is a Google Map, otherwise null.

Type
google.maps.Map

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

You can change the active query via the setActiveQuery() method.

Description:

  • You can change the active query via the setActiveQuery() method.

Inherited From:
Returns:

Returns the array of Query objects owned by this DataWidget.

Type
Array.<parasql.widget.util.Query>

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

Inherited From:
Parameters:
Name Type Description
queryId string
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}

Inherited From:
Parameters:
Name Type Description
queryName string
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}

Inherited From:
Returns:

Returns the index of the currently selected row; if no row is selected returns -1. The first row is 0.

Type
number

getSelectedValue(tableName, columnName) → (nullable) {parasql.schema.DataValue}

Convenience method to return the DataValue in the specified column of the currently selected row.

Description:

  • Convenience method to return the DataValue in the specified column of the currently selected row.

Inherited From:
Parameters:
Name Type Description
tableName string

The table name.
columnName string

The column name.
Throws:

If tableName.columnName does not exist in the underlying DataTable.

Type
TypeError
Returns:

A DataValue object or null if no row is selected.

Type
parasql.schema.DataValue

getTransactionSet() → {parasql.schema.TransactionSet}

Inherited From:
Returns:
Type
parasql.schema.TransactionSet

getWidgetId() → (non-null) {string}

Inherited From:
Returns:

Returns an immutable string that uniquely identifies this widget.

Type
string

isDisabled() → {boolean}

Inherited From:
Returns:
Type
boolean

printWidget()

Causes this widget to print itself.

Description:

  • Causes this widget to print itself.

Inherited From:

redisplay()

Redisplays this widget.

Description:

  • Redisplays this widget.

Inherited From:

refreshQuery()

Executes the currently active query.

Description:

  • Executes the currently active query. To change the active query call the setActiveQuery() method.

Inherited From:

setActiveQuery(queryObject)

Sets the active query but does not run it.

Description:

  • Sets the active query but does not run it. To run the active query call the refreshQuery() method.

Inherited From:
Parameters:
Name Type Description
queryObject parasql.widget.util.Query

A valid query object.

setDisabled(flag)

WARNING: Subclasses overriding this method must not trigger a redisplay (causes an infinite loop).

Description:

  • WARNING: Subclasses overriding this method must not trigger a redisplay (causes an infinite loop).

Inherited From:
Parameters:
Name Type Description
flag boolean

If true, this widget will be rendered as disabled.

setSelectedRowIndex(index)

Inherited From:
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.

toggleDataTableView()

Show/Hide the Data Table behind this ChartWidget.

Description:

  • Show/Hide the Data Table behind this ChartWidget.