Package com.vaadin.client.ui.treegrid

Class TreeGridConnector

java.lang.Object

com.vaadin.client.ui.AbstractConnector

com.vaadin.client.ui.AbstractComponentConnector

com.vaadin.client.ui.AbstractFieldConnector

com.vaadin.client.connectors.AbstractListingConnector

com.vaadin.client.connectors.grid.GridConnector

com.vaadin.client.ui.treegrid.TreeGridConnector

All Implemented Interfaces:

com.google.gwt.event.shared.EventHandler, StateChangeEvent.StateChangeHandler, ComponentConnector, HasDataSource, DeferredWorker, HasComponentsConnector, HasWidget, ServerConnector, HasErrorIndicator, HasRequiredIndicator, ManagedLayout, SimpleManagedLayout, Connector, Serializable

public class TreeGridConnector
extends GridConnector

A connector class for the TreeGrid component.

Since:

8.1

Author:

Vaadin Ltd

See Also:

Serialized Form

Field Summary

Fields inherited from class com.vaadin.client.ui.AbstractComponentConnector

SIGNIFICANT_MOVE_THRESHOLD

Constructor Summary

Constructors

Constructor	Description
TreeGridConnector()	Constructs a connector for a TreeGrid component.

Method Summary

Modifier and Type	Method	Description
TreeGridState	getState()	Returns the shared state object for this connector.
TreeGrid	getWidget()	Returns the widget associated with this paintable.
protected void	init()	Called when the connector has been initialized.
static boolean	isCollapseAllowed(elemental.json.JsonObject row)	Checks if the item can be collapsed.
void	onColumnRendererChanged(ColumnConnector.CustomColumn column)	Method called by CustomColumn when its renderer changes.
void	setDataSource(DataSource<elemental.json.JsonObject> dataSource)	Sets the data source for this Connector.

Methods inherited from class com.vaadin.client.connectors.grid.GridConnector

addColumn, addConnectorHierarchyChangeHandler, detailsRefreshed, getChildComponents, getColumn, getColumnId, getTooltipInfo, hasTooltip, isReadOnly, isWorkPending, layout, onStateChanged, onUnregister, removeColumnMapping, sendContextClickEvent, setChildComponents, singleDetailsOpened, updateCaption, updateColumns

Methods inherited from class com.vaadin.client.connectors.AbstractListingConnector

getDataSource, getRowData, getRowKey, isRowSelected

Methods inherited from class com.vaadin.client.ui.AbstractFieldConnector

isRequiredIndicatorVisible, updateWidgetStyleNames

Methods inherited from class com.vaadin.client.ui.AbstractComponentConnector

createWidget, delegateCaptionHandling, flush, getIcon, getIconUri, getLayoutManager, isErrorIndicatorVisible, isRealUpdate, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, onDragSourceAttached, onDragSourceDetached, onDropTargetAttached, onDropTargetDetached, registerTouchHandlers, setWidgetEnabled, setWidgetStyleName, setWidgetStyleNameWithPrefix, shouldHandleLongTap, unregisterTouchHandlers, updateComponentSize, updateComponentSize, updateEnabledState, updateWidgetSize

Methods inherited from class com.vaadin.client.ui.AbstractConnector

addStateChangeHandler, addStateChangeHandler, createState, doInit, ensureHandlerManager, fireEvent, forceStateChange, getChildren, getConnection, getConnectorId, getParent, getResourceUrl, getRpcImplementations, getRpcProxy, getStateType, getTag, hasEventListener, isEnabled, registerRpc, removeStateChangeHandler, removeStateChangeHandler, setChildren, setParent, setTag, unregisterRpc

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.client.ComponentConnector

delegateCaptionHandling, flush, getLayoutManager, isRelativeHeight, isRelativeWidth, isUndefinedHeight, isUndefinedWidth, setWidgetEnabled

Methods inherited from interface com.vaadin.shared.Connector

getConnectorId

Methods inherited from interface com.vaadin.client.ServerConnector

addStateChangeHandler, addStateChangeHandler, doInit, fireEvent, getChildren, getConnection, getParent, getRpcImplementations, getTag, hasEventListener, isEnabled, removeStateChangeHandler, removeStateChangeHandler, setChildren, setParent, setTag, updateEnabledState

Constructor Detail

TreeGridConnector

public TreeGridConnector()

Constructs a connector for a TreeGrid component.

Method Detail

getWidget

public TreeGrid getWidget()

Description copied from class: AbstractComponentConnector

Returns the widget associated with this paintable. The widget returned by this method must not changed during the life time of the paintable.

Specified by:

getWidget in interface HasWidget

Overrides:

getWidget in class GridConnector

Returns:

The widget associated with this paintable

getState

public TreeGridState getState()

Description copied from class: AbstractConnector

Returns the shared state object for this connector. Override this method to define the shared state type for your connector.

Specified by:

getState in interface ComponentConnector

Specified by:

getState in interface ServerConnector

Overrides:

getState in class GridConnector

Returns:

the current shared state (never null)

init

protected void init()

Description copied from class: AbstractConnector

Called when the connector has been initialized. Override this method to perform initialization of the connector.

Overrides:

init in class GridConnector

setDataSource

public void setDataSource(DataSource<elemental.json.JsonObject> dataSource)

Description copied from interface: HasDataSource

Sets the data source for this Connector.

Specified by:

setDataSource in interface HasDataSource

Overrides:

setDataSource in class GridConnector

Parameters:

dataSource - the new data source, not null

isCollapseAllowed

public static boolean isCollapseAllowed(elemental.json.JsonObject row)

Checks if the item can be collapsed.

Parameters:

row - the item row

Returns:

true if the item is allowed to be collapsed, false otherwise.

onColumnRendererChanged

public void onColumnRendererChanged(ColumnConnector.CustomColumn column)

Description copied from class: GridConnector

Method called by CustomColumn when its renderer changes. This method is used to maintain hierarchical renderer wrap in TreeGrid.

Overrides:

onColumnRendererChanged in class GridConnector

Parameters:

column - the column which now has a new renderer