Package org.eclipse.nebula.widgets.gallery

Class NoGroupRenderer

java.lang.Object

org.eclipse.nebula.widgets.gallery.AbstractGalleryGroupRenderer

org.eclipse.nebula.widgets.gallery.AbstractGridGroupRenderer

org.eclipse.nebula.widgets.gallery.NoGroupRenderer

public class NoGroupRenderer
extends AbstractGridGroupRenderer

Alternate group renderer for the Gallery widget. This group renderer does not draw group titles. Only items are displayed. All groups are considered as expanded.

The visual aspect is the same as the first version of the gallery widget.

NOTE: THIS WIDGET AND ITS API ARE STILL UNDER DEVELOPMENT.

Field Summary

Fields

Modifier and Type	Field	Description
protected static int	OFFSET

Fields inherited from class org.eclipse.nebula.widgets.gallery.AbstractGridGroupRenderer

autoMargin, DEFAULT_SIZE, EMPTY_STRING, H_COUNT, itemHeight, itemWidth, margin, minMargin, V_COUNT

Fields inherited from class org.eclipse.nebula.widgets.gallery.AbstractGalleryGroupRenderer

expanded, gallery

Constructor Summary

Constructors

Constructor	Description
NoGroupRenderer()

Method Summary

Modifier and Type	Method	Description
void	draw(org.eclipse.swt.graphics.GC gc, GalleryItem group, int x, int y, int clipX, int clipY, int clipWidth, int clipHeight)	Group size informations can be retrieved from group.
GalleryItem	getItem(GalleryItem group, org.eclipse.swt.graphics.Point coords)	Returns the item at coords relative to the parent group.
org.eclipse.swt.graphics.Rectangle	getSize(GalleryItem item)	Returns the size of a group.
void	layout(org.eclipse.swt.graphics.GC gc, GalleryItem group)	This method is called on each root item when the Gallery changes (resize, item addition or removal) in order to update the gallery size.
boolean	mouseDown(GalleryItem group, org.eclipse.swt.widgets.Event e, org.eclipse.swt.graphics.Point coords)	This method can be implemented to handle mouse down events at the group level.

Methods inherited from class org.eclipse.nebula.widgets.gallery.AbstractGridGroupRenderer

calculateMargins, dispose, drawItem, getItem, getItemHeight, getItemWidth, getLayoutData, getMinMargin, getNextItem, getSize, getSize, getVisibleItems, gridLayout, isAlwaysExpanded, isAutoMargin, isGroupExpanded, mouseDown, preLayout, setAlwaysExpanded, setAutoMargin, setItemHeight, setItemSize, setItemWidth, setMinMargin

Methods inherited from class org.eclipse.nebula.widgets.gallery.AbstractGalleryGroupRenderer

getBackground, getFont, getForeground, getGallery, getGroupPosition, getGroupSize, getScrollBarIncrement, isDebugMode, isExpanded, notifyTreeListeners, postDraw, postLayout, preDraw, setExpanded, setGallery, setGroupSize, updateScrollBarsProperties, updateStructuralValues

Methods inherited from class java.lang.Object

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

Field Details

OFFSET

protected static int OFFSET

Constructor Details

NoGroupRenderer

public NoGroupRenderer()

Method Details

draw

public void draw(org.eclipse.swt.graphics.GC gc, GalleryItem group, int x, int y, int clipX, int clipY, int clipWidth, int clipHeight)

Description copied from class: AbstractGalleryGroupRenderer

Group size informations can be retrieved from group. Clipping informations

Overrides:

draw in class AbstractGridGroupRenderer

See Also:

AbstractGridGroupRenderer.draw(org .eclipse.swt.graphics.GC, org.eclipse.nebula.widgets.gallery.GalleryItem, int, int, int, int, int, int)

layout

public void layout(org.eclipse.swt.graphics.GC gc, GalleryItem group)

Description copied from class: AbstractGalleryGroupRenderer

This method is called on each root item when the Gallery changes (resize, item addition or removal) in order to update the gallery size. The implementation must update the item internal size (px) using setGroupSize(item, size); before returning.

Overrides:

layout in class AbstractGridGroupRenderer

See Also:

AbstractGridGroupRenderer.layout(org .eclipse.swt.graphics.GC, org.eclipse.nebula.widgets.gallery.GalleryItem)

getItem

public GalleryItem getItem(GalleryItem group, org.eclipse.swt.graphics.Point coords)

Description copied from class: AbstractGalleryGroupRenderer

Returns the item at coords relative to the parent group.

Overrides:

getItem in class AbstractGridGroupRenderer

Returns:

See Also:

AbstractGridGroupRenderer.getItem( org.eclipse.nebula.widgets.gallery.GalleryItem, org.eclipse.swt.graphics.Point)

mouseDown

public boolean mouseDown(GalleryItem group, org.eclipse.swt.widgets.Event e, org.eclipse.swt.graphics.Point coords)

Description copied from class: AbstractGalleryGroupRenderer

This method can be implemented to handle mouse down events at the group level. Usually to interact with custom group UI.

Specified by:

mouseDown in class AbstractGalleryGroupRenderer

Parameters:

group - The group on which the mouse click occured

e - The original mouse event

coords - The pointer coordinates relative to the group

Returns:

false if event was handled by the group renderer and Gallery should not try to handle this event as a click on a GalleryItem.

See Also:

AbstractGalleryGroupRenderer.mouseDown(org.eclipse.nebula.widgets.gallery.GalleryItem, org.eclipse.swt.widgets.Event, org.eclipse.swt.graphics.Point)

getSize

public org.eclipse.swt.graphics.Rectangle getSize(GalleryItem item)

Description copied from class: AbstractGalleryGroupRenderer

Returns the size of a group.

Overrides:

getSize in class AbstractGridGroupRenderer

Returns:

See Also:

AbstractGridGroupRenderer.getSize( org.eclipse.nebula.widgets.gallery.GalleryItem)