com.netphantom.swt

Class SWTHelper

java.lang.Object

com.netphantom.swt.SWTHelper

public class SWTHelper
extends Object

Some SWT helpers.

Author:

Christopher Mindus

Constructor Summary

Constructors

Constructor and Description
SWTHelper()

Method Summary

Modifier and Type	Method and Description
static TableEditor	addEditableTableColumn(Table table, int column, int minimumWidth, ModifyListener modifyListener) Adds an editable column for a table.
static void	addTableColumnResizer(Table table) Adds a table column re-sizer to make the last column resize with the table and dialog box.
static void	addTableSorter(Table table) Adds a table sorter.
static int	autoScaleDown(int size) Auto-scales down for high DPI displays.
static int	autoScaleUp(int size) Auto-scales up for high DPI displays.
static void	centerDialog(Shell shell) Centers a dialog on screen.
static Image	createImage(Color color, int width, int height) Create an image of the specified color.
static Image	createImage(Color color, int width, int height, boolean doFrame) Create an image of the specified color.
static Image	createImage(int rgb, int width, int height) Create an image of a color.
static Image	createImage(int rgb, int width, int height, boolean doFrame) Create an image of a color.
static Image	createImage(int r, int g, int b, int width, int height) Create an image of a color.
static Image	createImage(int r, int g, int b, int width, int height, boolean doFrame) Create an image of a color.
static void	expandAll(TreeViewer viewer) Performs the Expand all on a tree viewer, very fast.
static Control	getFocusControl(Composite composite) Gets the control in focus for a composite.
static void	showPopupMenu(Menu menu, Control control) Displays a drop-down menu below a control.
static void	showPopupMenu(Menu menu, ToolItem item) Displays a drop-down menu below a control.

Methods inherited from class java.lang.Object

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

Constructor Detail

SWTHelper

public SWTHelper()

Method Detail

addTableColumnResizer

public static void addTableColumnResizer(Table table)

Adds a table column re-sizer to make the last column resize with the table and dialog box.

Parameters:

table - The table to resize the last column.

addTableSorter

public static void addTableSorter(Table table)

Adds a table sorter.

addEditableTableColumn

public static TableEditor addEditableTableColumn(Table table,
                                                 int column,
                                                 int minimumWidth,
                                                 ModifyListener modifyListener)

Adds an editable column for a table.

Parameters:

table - The table.

column - The column index.

minimumWidth - The minimum pixel width of the Text editor (for layout).

modifyListener - Possible listener for entry field Text modifications.

Returns:

The table editor created.

createImage

public static Image createImage(int rgb,
                                int width,
                                int height)

Create an image of a color.

Parameters:

rgb - RGB value color.

width - Width of image.

height - Height of image.

Returns:

The image filled with the color.

createImage

public static Image createImage(int rgb,
                                int width,
                                int height,
                                boolean doFrame)

Create an image of a color.

Parameters:

rgb - RGB value color.

width - Width of image.

height - Height of image.

doFrame - If the image should be framed.

Returns:

The image filled with the color.

createImage

public static Image createImage(int r,
                                int g,
                                int b,
                                int width,
                                int height)

Create an image of a color.

Parameters:

r - Red color of image (0-255).

g - Green color of image (0-255).

b - Blue color of image (0-255).

width - Width of image.

height - Height of image.

Returns:

The image filled with the color.

createImage

public static Image createImage(int r,
                                int g,
                                int b,
                                int width,
                                int height,
                                boolean doFrame)

Create an image of a color.

Parameters:

r - Red color of image (0-255).

g - Green color of image (0-255).

b - Blue color of image (0-255).

width - Width of image.

height - Height of image.

doFrame - If the image should be framed.

Returns:

The image filled with the color.

createImage

public static Image createImage(Color color,
                                int width,
                                int height)

Create an image of the specified color.

Parameters:

color - Color of image.

width - Width of image.

height - Height of image.

Returns:

The image filled with the color.

createImage

public static Image createImage(Color color,
                                int width,
                                int height,
                                boolean doFrame)

Create an image of the specified color.

Parameters:

color - Color of image.

width - Width of image.

height - Height of image.

doFrame - If the image should be framed.

Returns:

The image filled with the color.

showPopupMenu

public static void showPopupMenu(Menu menu,
                                 ToolItem item)

Displays a drop-down menu below a control.

showPopupMenu

public static void showPopupMenu(Menu menu,
                                 Control control)

Displays a drop-down menu below a control.

expandAll

public static void expandAll(TreeViewer viewer)

Performs the Expand all on a tree viewer, very fast.

getFocusControl

public static Control getFocusControl(Composite composite)

Gets the control in focus for a composite.

Returns:

The control having focus in the composite, of null for none.

centerDialog

public static void centerDialog(Shell shell)

Centers a dialog on screen.

Parameters:

shell - The dialog to center.

autoScaleUp

public static int autoScaleUp(int size)

Auto-scales up for high DPI displays.

Parameters:

size - Value to scale up.

Returns:

The scaled value if supported, otherwise the same value.

autoScaleDown

public static int autoScaleDown(int size)

Auto-scales down for high DPI displays.

Parameters:

size - Value to scale down.

Returns:

The scaled value if supported, otherwise the same value.