org.gwt.advanced.client.ui.widget.cell

Class DefaultCellComparator

java.lang.Object

org.gwt.advanced.client.ui.widget.cell.DefaultCellComparator

All Implemented Interfaces:

Comparator<Object>

public class DefaultCellComparator
extends Object
implements Comparator<Object>

This is a default implementation of grid cell comparator.

Since:

1.0.0

Author:

Sergey Skladchikov

Constructor Summary

Constructors

Constructor and Description
DefaultCellComparator(EditableGrid grid) Creates an instance of this class.

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(Object o1, Object o2) Compares cell values.
protected String	getComboBoxText(ComboBox comboBox) Gets a text value of the combo box.
protected String	getComboBoxText(ListDataModel model) This method converts the model into its string representation.
protected EditableGrid	getGrid() Getter for property 'grid'.
protected String	getLabelText(com.google.gwt.user.client.ui.ListBox listBox) This method returns a text for the inactive label.
protected Comparable	prepareValue(Object value) This method prepares the specified value and replace it with the default one if it's null.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

DefaultCellComparator

public DefaultCellComparator(EditableGrid grid)

Creates an instance of this class.

Parameters:

grid - is a grid.

Method Detail

compare

public int compare(Object o1,
          Object o2)

Compares cell values.

Specified by:

compare in interface Comparator<Object>

Parameters:

o1 - is a cell value.

o2 - is a cell value.

Returns:

a result of comparison.

prepareValue

protected Comparable prepareValue(Object value)

This method prepares the specified value and replace it with the default one if it's null.

Parameters:

value - is a value to be prepared.

Returns:

a prepared value.

getComboBoxText

protected String getComboBoxText(ListDataModel model)

This method converts the model into its string representation.

Parameters:

model - is a model to be converted.

Returns:

a string representation.

getLabelText

protected String getLabelText(com.google.gwt.user.client.ui.ListBox listBox)

This method returns a text for the inactive label.

Parameters:

listBox - is a list box.

Returns:

a label text.

getComboBoxText

protected String getComboBoxText(ComboBox comboBox)

Gets a text value of the combo box.

Parameters:

comboBox - is a combo box.

Returns:

a text value.

getGrid

protected EditableGrid getGrid()

Getter for property 'grid'.

Returns:

Value for property 'grid'.