org.gwt.advanced.client.ui.widget

Class HierarchicalGridEventManager

java.lang.Object

org.gwt.advanced.client.ui.widget.DefaultGridEventManager

org.gwt.advanced.client.ui.widget.HierarchicalGridEventManager

All Implemented Interfaces:

com.google.gwt.event.dom.client.BlurHandler, com.google.gwt.event.dom.client.ClickHandler, com.google.gwt.event.dom.client.FocusHandler, com.google.gwt.event.shared.EventHandler, com.google.gwt.user.client.Event.NativePreviewHandler, GridEventManager

public class HierarchicalGridEventManager
extends DefaultGridEventManager

This is the event manager for the hierarchical grid.

It skips mouse events when any subgrid is expanded and activated.

Since:

1.3.0

Author:

Sergey Skladchikov

Field Summary

Fields inherited from interface org.gwt.advanced.client.ui.GridEventManager

MODIFIER_ALT, MODIFIER_CTRL, MODIFIER_META, MODIFIER_SHIFT

Constructor Summary

Constructors

Constructor and Description
HierarchicalGridEventManager(GridPanel panel) Creates an instance of the class and adds itself to the listeners list of the grid.

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	isSubgridRow(int row)
protected void	moveCursorUp() Moves the cursor up
void	onClick(com.google.gwt.event.dom.client.ClickEvent event) Sets the current position of the cursor or activates the selected cell.
protected void	setCursor(int row, int cell, boolean skipSelection) This method sets the current cell value.

Methods inherited from class org.gwt.advanced.client.ui.widget.DefaultGridEventManager

activateCell, deactivateActiveCell, dispatch, getPanel, getSelectionModifier, isReadOnly, isSkipKeyboardEnabled, moveByShiftTab, moveByTab, moveCursorDown, moveCursorLeft, moveCursorRight, moveToEndPage, moveToFirstCell, moveToLastCell, moveToNextCell, moveToNextPage, moveToPreviousCell, moveToPrevPage, moveToStartPage, onBlur, onFocus, onPreviewNativeEvent, setPage

Methods inherited from class java.lang.Object

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

Constructor Detail

HierarchicalGridEventManager

public HierarchicalGridEventManager(GridPanel panel)

Creates an instance of the class and adds itself to the listeners list of the grid.

Parameters:

panel - is a grid panel.

Method Detail

onClick

public void onClick(com.google.gwt.event.dom.client.ClickEvent event)

Sets the current position of the cursor or activates the selected cell.

Specified by:

onClick in interface com.google.gwt.event.dom.client.ClickHandler

Overrides:

onClick in class DefaultGridEventManager

moveCursorUp

protected void moveCursorUp()

Moves the cursor up

Overrides:

moveCursorUp in class DefaultGridEventManager

setCursor

protected void setCursor(int row,
             int cell,
             boolean skipSelection)

This method sets the current cell value.

It takes into account whether the Shift or Ctrl modifier keys are pressed.

Overrides:

setCursor in class DefaultGridEventManager

Parameters:

row - is a row number.

cell - is a column number.

skipSelection - is a flag value that forces selection skipping. Otherwise rows might be selected due to other conditions.

isSubgridRow

protected boolean isSubgridRow(int row)