de.jaret.util.ui.table.editor
Class IntegerCellEditor

java.lang.Object
  de.jaret.util.ui.table.editor.CellEditorBase
      de.jaret.util.ui.table.editor.IntegerCellEditor

All Implemented Interfaces:

ICellEditor, java.util.EventListener, org.eclipse.swt.events.FocusListener, org.eclipse.swt.internal.SWTEventListener

public class IntegerCellEditor
extends CellEditorBase
implements ICellEditor, org.eclipse.swt.events.FocusListener

Cell Editor for editing integer values using a spinner widget. Well it seems that the Spinner does not support negative values ... Key bindings: CR, TAB: accept input and leave, ESC leave and reset to value when starting editing

Version:

$Id: IntegerCellEditor.java 394 2007-05-01 10:51:25Z olk $

Author:

Peter Kliem

Field Summary

protected org.eclipse.swt.widgets.Spinner

_spinner spinner widgrt.

Fields inherited from class de.jaret.util.ui.table.editor.CellEditorBase

_column, _row, _table

Constructor Summary

IntegerCellEditor()
Default construcor.

IntegerCellEditor(int min, int max)
Construct an integer cell renderer with given min and max values.

Method Summary

protected int	convertValue(IRow row, IColumn column)
void	dispose() Dispose whatever resouces have been allocated.
void	focusGained(org.eclipse.swt.events.FocusEvent arg0) Do nothing on gaining focus.
void	focusLost(org.eclipse.swt.events.FocusEvent arg0) Stop and strore when focus leaves.
org.eclipse.swt.widgets.Control	getEditorControl(JaretTable table, IRow row, IColumn column, char typedKey) Provide the Control for editing the value at row/column.
int	getPreferredHeight() If the renderer *wishes* to be sized not the height of the cell, this method may be used to announce the preferred height of the control.
void	stopEditing(boolean storeInput) End editing.
protected void	storeValue(IRow row, IColumn column)

Methods inherited from class de.jaret.util.ui.table.editor.CellEditorBase

handleClick

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.jaret.util.ui.table.editor.ICellEditor

handleClick

Field Detail

_spinner

protected org.eclipse.swt.widgets.Spinner _spinner

spinner widgrt.

Constructor Detail

IntegerCellEditor

public IntegerCellEditor(int min,
                         int max)

Construct an integer cell renderer with given min and max values.

Parameters:

min - minimal value

max - maximum value

IntegerCellEditor

public IntegerCellEditor()

Default construcor.

Method Detail

convertValue

protected int convertValue(IRow row,
                           IColumn column)

storeValue

protected void storeValue(IRow row,
                          IColumn column)

getEditorControl

public org.eclipse.swt.widgets.Control getEditorControl(JaretTable table,
                                                        IRow row,
                                                        IColumn column,
                                                        char typedKey)

Provide the Control for editing the value at row/column. Important: make shure _not_ to create a new control with every call!

This method may return null indicating that the editor will not supply a control.

Base implementation storing the table and row/col information.

Specified by:

getEditorControl in interface ICellEditor

Overrides:

getEditorControl in class CellEditorBase

Parameters:

table - the table requesting the editor

row - row

column - column

typedKey - the character typed when invoking the editor (may be 0 if the editor was invoked without typing any key)

Returns:

configured Control (parent has to be the table)

getPreferredHeight

public int getPreferredHeight()

If the renderer *wishes* to be sized not the height of the cell, this method may be used to announce the preferred height of the control. A value of -1 signals no preference. default will always return -1.

Specified by:

getPreferredHeight in interface ICellEditor

Overrides:

getPreferredHeight in class CellEditorBase

Returns:

preferred height or -1 for no preference.

focusGained

public void focusGained(org.eclipse.swt.events.FocusEvent arg0)

Do nothing on gaining focus.

Specified by:

focusGained in interface org.eclipse.swt.events.FocusListener

focusLost

public void focusLost(org.eclipse.swt.events.FocusEvent arg0)

Stop and strore when focus leaves.

Specified by:

focusLost in interface org.eclipse.swt.events.FocusListener

dispose

public void dispose()

Dispose whatever resouces have been allocated.

Specified by:

dispose in interface ICellEditor

Overrides:

dispose in class CellEditorBase

stopEditing

public void stopEditing(boolean storeInput)

End editing.

Specified by:

stopEditing in interface ICellEditor

Parameters:

storeInput - if true the editor shall save the current input.