com.vaadin.client.widgets

Class Grid.Header

java.lang.Object

com.vaadin.client.widgets.Grid.StaticSection<Grid.HeaderRow>

com.vaadin.client.widgets.Grid.Header

Enclosing class:

Grid<T>

protected static class Grid.Header
extends Grid.StaticSection<Grid.HeaderRow>

Represents the header section of a Grid. A header consists of a single header row containing a header cell for each column. Each cell has a simple textual caption.

Nested Class Summary

Nested classes/interfaces inherited from class com.vaadin.client.widgets.Grid.StaticSection

Grid.StaticSection.StaticCell, Grid.StaticSection.StaticRow<CELLTYPE extends Grid.StaticSection.StaticCell>

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Header()

Method Summary

Modifier and Type	Method and Description
protected void	addColumn(Grid.Column<?,?> column) Adds cells for the given column to all the rows within this section.
protected Grid.HeaderRow	createRow() Creates and returns a new instance of the row type.
Collection<String>	getConsumedEvents() Returns the events consumed by the header.
Grid.HeaderRow	getDefaultRow() Returns the current default row of this header.
void	removeRow(int index) Removes the row at the given position.
protected void	requestSectionRefresh() Informs the grid that this section should be re-rendered.
void	setDefaultRow(Grid.HeaderRow row) Sets the default row of this header.

Methods inherited from class com.vaadin.client.widgets.Grid.StaticSection

addRowAt, appendRow, getGrid, getRow, getRowCount, getRows, getVisibleRowCount, isVisible, prependRow, removeColumn, removeRow, setGrid, setVisible, updateColSpans

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Header

protected Header()

Method Detail

removeRow

public void removeRow(int index)

Description copied from class: Grid.StaticSection

Removes the row at the given position.

Overrides:

removeRow in class Grid.StaticSection<Grid.HeaderRow>

Parameters:

index - the position of the row

See Also:

Grid.StaticSection.addRowAt(int), Grid.StaticSection.appendRow(), Grid.StaticSection.prependRow(), Grid.StaticSection.removeRow(StaticRow)

setDefaultRow

public void setDefaultRow(Grid.HeaderRow row)

Sets the default row of this header. The default row is a special header row providing a user interface for sorting columns.

Parameters:

row - the new default row, or null for no default row

Throws:

IllegalArgumentException - this header does not contain the row

getDefaultRow

public Grid.HeaderRow getDefaultRow()

Returns the current default row of this header. The default row is a special header row providing a user interface for sorting columns.

Returns:

the default row or null if no default row set

createRow

protected Grid.HeaderRow createRow()

Description copied from class: Grid.StaticSection

Creates and returns a new instance of the row type.

Specified by:

createRow in class Grid.StaticSection<Grid.HeaderRow>

Returns:

the created row

requestSectionRefresh

protected void requestSectionRefresh()

Description copied from class: Grid.StaticSection

Informs the grid that this section should be re-rendered.

Note that re-render means calling update() on each cell, preAttach()/postAttach()/preDetach()/postDetach() is not called as the cells are not removed from the DOM.

Specified by:

requestSectionRefresh in class Grid.StaticSection<Grid.HeaderRow>

getConsumedEvents

public Collection<String> getConsumedEvents()

Returns the events consumed by the header.

Returns:

a collection of BrowserEvents

addColumn

protected void addColumn(Grid.Column<?,?> column)

Description copied from class: Grid.StaticSection

Adds cells for the given column to all the rows within this section.

Overrides:

addColumn in class Grid.StaticSection<Grid.HeaderRow>

Parameters:

column - the column that requires cells