Package com.e1c.langtool.ui

Class TableViewerColumnComparator

java.lang.Object

org.eclipse.jface.viewers.ViewerComparator

com.e1c.langtool.ui.TableViewerColumnComparator

Direct Known Subclasses:

FeatureTreeComparator

public class TableViewerColumnComparator
extends ViewerComparator

The Class TableViewerColumnComparator allows to sort items by selected single column label or select multiple columns to sort. To ColumnViewer need to add a SelectionListener to handle event of sorting.

Constructor Summary

Constructors

Constructor	Description
TableViewerColumnComparator()

Method Summary

Modifier and Type	Method	Description
void	addColumn(int column)	Adds the column to multiple column sorting;
void	addColumn(int column, int direction)	Adds the column to multiple column sorting with direction.
int	compare(Viewer viewer, Object e1, Object e2)
int	getDirection(int column)	Gets the direction of comparing labels: ascending or descending
void	setColumn(int column)	Sets the single column to sort.
void	setColumn(int column, int direction)	Sets the single column to sort with direction.

Methods inherited from class org.eclipse.jface.viewers.ViewerComparator

category, getComparator, isSorterProperty, sort

Methods inherited from class java.lang.Object

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

Constructor Details

TableViewerColumnComparator

public TableViewerColumnComparator()

Method Details

getDirection

public int getDirection(int column)

Gets the direction of comparing labels: ascending or descending

Returns:

the direction

setColumn

public void setColumn(int column)

Sets the single column to sort. Default column value is 0.

Parameters:

column - the new column

setColumn

public void setColumn(int column,
 int direction)

Sets the single column to sort with direction.

Parameters:

column - the column

direction - the direction, 0 is for ascending and 1 is for descending.

addColumn

public void addColumn(int column)

Adds the column to multiple column sorting;

Parameters:

column - the column

addColumn

public void addColumn(int column,
 int direction)

Adds the column to multiple column sorting with direction.

Parameters:

column - the column

direction - the direction, 0 is for ascending and 1 is for descending.

compare

public int compare(Viewer viewer,
 Object e1,
 Object e2)

Overrides:

compare in class ViewerComparator