pl.edu.agh.cast.ui.util
Class AbstractColumnSorter

java.lang.Object
  org.eclipse.jface.viewers.ViewerComparator
      org.eclipse.jface.viewers.ViewerSorter
          pl.edu.agh.cast.ui.util.AbstractColumnSorter

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

DataTableColumnSorter

public abstract class AbstractColumnSorter
extends org.eclipse.jface.viewers.ViewerSorter
implements Cloneable

Abstract column sorter. Class based on ColumnViewerSorter from Eclipse JFaceSnippets (http://wiki.eclipse.org/JFaceSnippets#Snippet040TableViewerSorting)

Author:

AGH CAST Team

Field Summary

static int	ASC Constant indicating the ascending sort order.
protected org.eclipse.swt.widgets.TableColumn	column Column, by which the viewer is to be sorted.
protected int	columnNo Number of the column, by which the viewer is to be sorted..
static int	DESC Constant indicating the descending sort order.
protected int	direction Direction of sort.
static int	NONE Constant indicating that the data should NOT be sorted.
protected org.eclipse.jface.viewers.ColumnViewer	viewer Viewer to be sorted.

Fields inherited from class org.eclipse.jface.viewers.ViewerSorter

collator

Constructor Summary

AbstractColumnSorter()
The default constructor.

AbstractColumnSorter(org.eclipse.jface.viewers.ColumnViewer view, org.eclipse.swt.widgets.TableColumn col, int colNo)
Constructor.

AbstractColumnSorter(org.eclipse.jface.viewers.ColumnViewer view, org.eclipse.jface.viewers.TableViewerColumn colView, int colNo)
Constructor.

Method Summary

Object	clone()
int	compare(org.eclipse.jface.viewers.Viewer view, Object e1, Object e2)
protected abstract int	doCompare(Object e1, Object e2)
void	doSort(AbstractColumnSorter sorter, int dir) Performs the sort action.
void	setColumnNo(int columnNo)
void	setSorterData(org.eclipse.jface.viewers.ColumnViewer view, org.eclipse.swt.widgets.TableColumn col, int colNo) Sets the sorter's data.

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

getCollator

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

category, getComparator, isSorterProperty, sort

Methods inherited from class java.lang.Object

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

Field Detail

ASC

public static final int ASC

Constant indicating the ascending sort order.

See Also:

Constant Field Values

NONE

public static final int NONE

Constant indicating that the data should NOT be sorted.

See Also:

Constant Field Values

DESC

public static final int DESC

Constant indicating the descending sort order.

See Also:

Constant Field Values

direction

protected int direction

Direction of sort.

column

protected org.eclipse.swt.widgets.TableColumn column

Column, by which the viewer is to be sorted.

viewer

protected org.eclipse.jface.viewers.ColumnViewer viewer

Viewer to be sorted.

columnNo

protected int columnNo

Number of the column, by which the viewer is to be sorted..

Constructor Detail

AbstractColumnSorter

public AbstractColumnSorter()

The default constructor.

AbstractColumnSorter

public AbstractColumnSorter(org.eclipse.jface.viewers.ColumnViewer view,
                            org.eclipse.jface.viewers.TableViewerColumn colView,
                            int colNo)

Constructor.

Parameters:

view - viewer to be sorted

colView - sort viewer column

colNo - index of sort column

AbstractColumnSorter

public AbstractColumnSorter(org.eclipse.jface.viewers.ColumnViewer view,
                            org.eclipse.swt.widgets.TableColumn col,
                            int colNo)

Constructor.

Parameters:

view - viewer to be sorted

col - sort column

colNo - index of sort column

Method Detail

setSorterData

public void setSorterData(org.eclipse.jface.viewers.ColumnViewer view,
                          org.eclipse.swt.widgets.TableColumn col,
                          int colNo)

Sets the sorter's data.

Parameters:

view - viewer to be sorted

col - sort column

colNo - index of sort column

setColumnNo

public void setColumnNo(int columnNo)

doSort

public void doSort(AbstractColumnSorter sorter,
                   int dir)

Performs the sort action.

Parameters:

sorter - sorter that performs the sort

dir - sort direction

compare

public int compare(org.eclipse.jface.viewers.Viewer view,
                   Object e1,
                   Object e2)

Overrides:

compare in class org.eclipse.jface.viewers.ViewerComparator

See Also:

ViewerComparator.compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)

clone

public Object clone()

Overrides:

clone in class Object

See Also:

Object.clone()

doCompare

protected abstract int doCompare(Object e1,
                                 Object e2)