C# Class BrightIdeasSoftware.BaseRenderer

Inheritance: AbstractRenderer

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Private Properties

Свойство	Type	Description
ClearState	void

Méthodes publiques

Méthode	Description
ApplyCellPadding ( Rectangle r ) : Rectangle	Change the bounds of the given rectangle to take any cell padding into account
DrawText ( Graphics g, Rectangle r, String txt ) : void	Draw the given text and optional image in the "normal" fashion
GetBackgroundColor ( ) : Color	Return the Color that is the background color for this item's cell
GetEditRectangle ( Graphics g, Rectangle cellBounds, BrightIdeasSoftware.OLVListItem item, int subItemIndex, Size preferredSize ) : Rectangle	Calculate the edit rectangle
GetForegroundColor ( ) : Color	Return the color to be used for text in this cell
HitTest ( BrightIdeasSoftware.OlvListViewHitTestInfo hti, int x, int y ) : void	Calculate which part of this cell was hit
OptionalRender ( Graphics g, Rectangle r ) : bool	Draw our data into the given rectangle using the given graphics context. Subclasses should override this method.
Render ( Graphics g, Rectangle r ) : void	Draw our data into the given rectangle using the given graphics context. Subclasses should override this method if they never want to fall back on the default processing
RenderItem ( DrawListViewItemEventArgs e, Graphics g, Rectangle itemBounds, object rowObject ) : bool	Render the whole item in a non-details view.
RenderSubItem ( DrawListViewSubItemEventArgs e, Graphics g, Rectangle cellBounds, object rowObject ) : bool	Render one cell

Méthodes protégées

Méthode	Description
AlignHorizontally ( Rectangle outer, Rectangle inner ) : int	Calculate the left edge of the rectangle that aligns the outer rectangle with the inner one according to this renderer's horizontal alignement
AlignRectangle ( Rectangle outer, Rectangle inner ) : Rectangle	Align the second rectangle with the first rectangle, according to the alignment of the column
AlignVertically ( Rectangle outer, Rectangle inner ) : int	Calculate the top of the rectangle that aligns the outer rectangle with the inner rectangle according to this renders vertical alignment
AlignVertically ( Rectangle outer, int innerHeight ) : int	Calculate the top of the rectangle that aligns the outer rectangle with a rectangle of the given height according to this renderer's vertical alignment
CalculateAlignedRectangle ( Graphics g, Rectangle r ) : Rectangle	Calculate the space that our rendering will occupy and then align that space with the given rectangle, according to the Column alignment
CalculateCheckBoxBounds ( Graphics g, Rectangle cellBounds ) : Rectangle
CalculateCheckBoxWidth ( Graphics g ) : int	How much space will the check box for this cell occupy? Only column 0 can have check boxes. Sub item checkboxes are treated as images
CalculateImageWidth ( Graphics g, object imageSelector ) : int	How much horizontal space will the image of this cell occupy?
CalculatePaddedAlignedBounds ( Graphics g, Rectangle bounds, Size preferredSize ) : Rectangle
CalculateTextWidth ( Graphics g, string txt ) : int	How much horizontal space will the text of this cell occupy?
DrawAlignedImage ( Graphics g, Rectangle r, Image image ) : void	Draw the given image aligned horizontally within the column. Over tall images are scaled to fit. Over-wide images are truncated. This is by design!
DrawAlignedImageAndText ( Graphics g, Rectangle r ) : void	Draw our subitems image and text
DrawBackground ( Graphics g, Rectangle r ) : void	Fill in the background of this cell
DrawCheckBox ( Graphics g, Rectangle r ) : int	Draw the check box of this row
DrawImage ( Graphics g, Rectangle r, Object imageSelector ) : int	Draw the given text and optional image in the "normal" fashion
DrawImageAndText ( Graphics g, Rectangle r ) : void	Draw our subitems image and text
DrawImages ( Graphics g, Rectangle r, ICollection imageSelectors ) : int	Draw the given collection of image selectors
DrawTextGdi ( Graphics g, Rectangle r, String txt ) : void	Print the given text in the given rectangle using only GDI routines The native list control uses GDI routines to do its drawing, so using them here makes the owner drawn mode looks more natural. This method doesn't honour the CanWrap setting on the renderer. All text is single line
DrawTextGdiPlus ( Graphics g, Rectangle r, String txt ) : void	Print the given text in the given rectangle using normal GDI+ .NET methods Printing to a printer dc has to be done using this method.
GetCheckBoxState ( CheckState checkState ) : CheckBoxState	Calculate the renderer checkboxstate we need to correctly draw the given state
GetImage ( ) : Image	Return the image that should be drawn against this subitem
GetImage ( Object imageSelector ) : Image	Return the actual image that should be drawn when keyed by the given image selector. An image selector can be: an int, giving the index into the image list a string, giving the image key into the image list an Image, being the image itself
GetImageSelector ( ) : Object
GetText ( ) : string	Return the string that should be drawn within this
GetTextBackgroundColor ( ) : Color	Return the Color that is the background color for this item's text
HandleGetEditRectangle ( Graphics g, Rectangle cellBounds, BrightIdeasSoftware.OLVListItem item, int subItemIndex, Size preferredSize ) : Rectangle	Handle a HitTest request after all state information has been initialized
HandleHitTest ( Graphics g, BrightIdeasSoftware.OlvListViewHitTestInfo hti, int x, int y ) : void	Do the actual work of hit testing. Subclasses should override this rather than HitTest()
StandardGetEditRectangle ( Graphics g, Rectangle cellBounds, Size preferredSize ) : Rectangle	This method calculates the bounds of the text within a standard layout (i.e. optional checkbox, optional image, text) This method only works correctly if the state of the renderer has been fully initialized (see BaseRenderer.GetEditRectangle)
StandardHitTest ( Graphics g, BrightIdeasSoftware.OlvListViewHitTestInfo hti, Rectangle bounds, int x, int y ) : void	Perform normal hit testing relative to the given bounds
StandardRender ( Graphics g, Rectangle r ) : void	Draw the standard "[checkbox] [image] [text]" cell after the state properties have been initialized.

Private Methods

Méthode	Description
ClearState ( ) : void

Method Details

AlignHorizontally() protected méthode

Calculate the left edge of the rectangle that aligns the outer rectangle with the inner one according to this renderer's horizontal alignement

protected AlignHorizontally ( Rectangle outer, Rectangle inner ) : int
outer	System.Drawing.Rectangle
inner	System.Drawing.Rectangle
Résultat	int

AlignRectangle() protected méthode

Align the second rectangle with the first rectangle, according to the alignment of the column

protected AlignRectangle ( Rectangle outer, Rectangle inner ) : Rectangle
outer	System.Drawing.Rectangle	The cell's bounds
inner	System.Drawing.Rectangle	The rectangle to be aligned within the bounds
Résultat	System.Drawing.Rectangle

AlignVertically() protected méthode

Calculate the top of the rectangle that aligns the outer rectangle with the inner rectangle according to this renders vertical alignment

protected AlignVertically ( Rectangle outer, Rectangle inner ) : int
outer	System.Drawing.Rectangle
inner	System.Drawing.Rectangle
Résultat	int

AlignVertically() protected méthode

Calculate the top of the rectangle that aligns the outer rectangle with a rectangle of the given height according to this renderer's vertical alignment

protected AlignVertically ( Rectangle outer, int innerHeight ) : int
outer	System.Drawing.Rectangle
innerHeight	int
Résultat	int

ApplyCellPadding() public méthode

Change the bounds of the given rectangle to take any cell padding into account

public ApplyCellPadding ( Rectangle r ) : Rectangle
r	System.Drawing.Rectangle
Résultat	System.Drawing.Rectangle

CalculateAlignedRectangle() protected méthode

Calculate the space that our rendering will occupy and then align that space with the given rectangle, according to the Column alignment

protected CalculateAlignedRectangle ( Graphics g, Rectangle r ) : Rectangle
g	System.Drawing.Graphics
r	System.Drawing.Rectangle
Résultat	System.Drawing.Rectangle

CalculateCheckBoxBounds() protected méthode

protected CalculateCheckBoxBounds ( Graphics g, Rectangle cellBounds ) : Rectangle
g	System.Drawing.Graphics
cellBounds	System.Drawing.Rectangle
Résultat	System.Drawing.Rectangle

CalculateCheckBoxWidth() protected méthode

How much space will the check box for this cell occupy?

Only column 0 can have check boxes. Sub item checkboxes are treated as images

protected CalculateCheckBoxWidth ( Graphics g ) : int
g	System.Drawing.Graphics
Résultat	int

CalculateImageWidth() protected méthode

How much horizontal space will the image of this cell occupy?

protected CalculateImageWidth ( Graphics g, object imageSelector ) : int
g	System.Drawing.Graphics
imageSelector	object
Résultat	int

CalculatePaddedAlignedBounds() protected méthode

protected CalculatePaddedAlignedBounds ( Graphics g, Rectangle bounds, Size preferredSize ) : Rectangle
g	System.Drawing.Graphics
bounds	System.Drawing.Rectangle
preferredSize	System.Drawing.Size
Résultat	System.Drawing.Rectangle

CalculateTextWidth() protected méthode

How much horizontal space will the text of this cell occupy?

protected CalculateTextWidth ( Graphics g, string txt ) : int
g	System.Drawing.Graphics
txt	string
Résultat	int

DrawAlignedImage() protected méthode

Draw the given image aligned horizontally within the column.

Over tall images are scaled to fit. Over-wide images are truncated. This is by design!

protected DrawAlignedImage ( Graphics g, Rectangle r, Image image ) : void
g	System.Drawing.Graphics	Graphics context to use for drawing
r	System.Drawing.Rectangle	Bounds of the cell
image	Image	The image to be drawn
Résultat	void

DrawAlignedImageAndText() protected méthode

Draw our subitems image and text

protected DrawAlignedImageAndText ( Graphics g, Rectangle r ) : void
g	System.Drawing.Graphics	Graphics context to use for drawing
r	System.Drawing.Rectangle	Bounds of the cell
Résultat	void

DrawBackground() protected méthode

Fill in the background of this cell

protected DrawBackground ( Graphics g, Rectangle r ) : void
g	System.Drawing.Graphics	Graphics context to use for drawing
r	System.Drawing.Rectangle	Bounds of the cell
Résultat	void

DrawCheckBox() protected méthode

Draw the check box of this row

protected DrawCheckBox ( Graphics g, Rectangle r ) : int
g	System.Drawing.Graphics	Graphics context to use for drawing
r	System.Drawing.Rectangle	Bounds of the cell
Résultat	int

DrawImage() protected méthode

Draw the given text and optional image in the "normal" fashion

protected DrawImage ( Graphics g, Rectangle r, Object imageSelector ) : int
g	System.Drawing.Graphics	Graphics context to use for drawing
r	System.Drawing.Rectangle	Bounds of the cell
imageSelector	Object	The optional image to be drawn
Résultat	int

DrawImageAndText() protected méthode

Draw our subitems image and text

protected DrawImageAndText ( Graphics g, Rectangle r ) : void
g	System.Drawing.Graphics	Graphics context to use for drawing
r	System.Drawing.Rectangle	Bounds of the cell
Résultat	void

DrawImages() protected méthode

Draw the given collection of image selectors

protected DrawImages ( Graphics g, Rectangle r, ICollection imageSelectors ) : int
g	System.Drawing.Graphics
r	System.Drawing.Rectangle
imageSelectors	ICollection
Résultat	int

DrawText() public méthode

Draw the given text and optional image in the "normal" fashion

public DrawText ( Graphics g, Rectangle r, String txt ) : void
g	System.Drawing.Graphics	Graphics context to use for drawing
r	System.Drawing.Rectangle	Bounds of the cell
txt	String	The string to be drawn
Résultat	void

DrawTextGdi() protected méthode

Print the given text in the given rectangle using only GDI routines

The native list control uses GDI routines to do its drawing, so using them here makes the owner drawn mode looks more natural.

This method doesn't honour the CanWrap setting on the renderer. All text is single line

protected DrawTextGdi ( Graphics g, Rectangle r, String txt ) : void
g	System.Drawing.Graphics
r	System.Drawing.Rectangle
txt	String
Résultat	void

DrawTextGdiPlus() protected méthode

Print the given text in the given rectangle using normal GDI+ .NET methods

Printing to a printer dc has to be done using this method.

protected DrawTextGdiPlus ( Graphics g, Rectangle r, String txt ) : void
g	System.Drawing.Graphics
r	System.Drawing.Rectangle
txt	String
Résultat	void

GetBackgroundColor() public méthode

Return the Color that is the background color for this item's cell

public GetBackgroundColor ( ) : Color
Résultat	Color

GetCheckBoxState() protected méthode

Calculate the renderer checkboxstate we need to correctly draw the given state

protected GetCheckBoxState ( CheckState checkState ) : CheckBoxState
checkState	CheckState
Résultat	CheckBoxState

GetEditRectangle() public méthode

Calculate the edit rectangle

public GetEditRectangle ( Graphics g, Rectangle cellBounds, BrightIdeasSoftware.OLVListItem item, int subItemIndex, Size preferredSize ) : Rectangle
g	System.Drawing.Graphics
cellBounds	System.Drawing.Rectangle
item	BrightIdeasSoftware.OLVListItem
subItemIndex	int
preferredSize	System.Drawing.Size
Résultat	System.Drawing.Rectangle

GetForegroundColor() public méthode

Return the color to be used for text in this cell

public GetForegroundColor ( ) : Color
Résultat	Color

GetImage() protected méthode

Return the image that should be drawn against this subitem

protected GetImage ( ) : Image
Résultat	Image

GetImage() protected méthode

Return the actual image that should be drawn when keyed by the given image selector. An image selector can be: an int, giving the index into the image list a string, giving the image key into the image list an Image, being the image itself

protected GetImage ( Object imageSelector ) : Image
imageSelector	Object	The value that indicates the image to be used
Résultat	Image

GetImageSelector() protected méthode

protected GetImageSelector ( ) : Object
Résultat	Object

GetText() protected méthode

Return the string that should be drawn within this

protected GetText ( ) : string
Résultat	string

GetTextBackgroundColor() protected méthode

Return the Color that is the background color for this item's text

protected GetTextBackgroundColor ( ) : Color
Résultat	Color

HandleGetEditRectangle() protected méthode

Handle a HitTest request after all state information has been initialized

protected HandleGetEditRectangle ( Graphics g, Rectangle cellBounds, BrightIdeasSoftware.OLVListItem item, int subItemIndex, Size preferredSize ) : Rectangle
g	System.Drawing.Graphics
cellBounds	System.Drawing.Rectangle
item	BrightIdeasSoftware.OLVListItem
subItemIndex	int
preferredSize	System.Drawing.Size
Résultat	System.Drawing.Rectangle

HandleHitTest() protected méthode

Do the actual work of hit testing. Subclasses should override this rather than HitTest()

protected HandleHitTest ( Graphics g, BrightIdeasSoftware.OlvListViewHitTestInfo hti, int x, int y ) : void
g	System.Drawing.Graphics
hti	BrightIdeasSoftware.OlvListViewHitTestInfo
x	int
y	int
Résultat	void

HitTest() public méthode

Calculate which part of this cell was hit

public HitTest ( BrightIdeasSoftware.OlvListViewHitTestInfo hti, int x, int y ) : void
hti	BrightIdeasSoftware.OlvListViewHitTestInfo
x	int
y	int
Résultat	void

OptionalRender() public méthode

Draw our data into the given rectangle using the given graphics context.

Subclasses should override this method.

public OptionalRender ( Graphics g, Rectangle r ) : bool
g	System.Drawing.Graphics	The graphics context that should be used for drawing
r	System.Drawing.Rectangle	The bounds of the subitem cell
Résultat	bool

Render() public méthode

Draw our data into the given rectangle using the given graphics context.

Subclasses should override this method if they never want to fall back on the default processing

public Render ( Graphics g, Rectangle r ) : void
g	System.Drawing.Graphics	The graphics context that should be used for drawing
r	System.Drawing.Rectangle	The bounds of the subitem cell
Résultat	void

RenderItem() public méthode

Render the whole item in a non-details view.

public RenderItem ( DrawListViewItemEventArgs e, Graphics g, Rectangle itemBounds, object rowObject ) : bool
e	System.Windows.Forms.DrawListViewItemEventArgs
g	System.Drawing.Graphics
itemBounds	System.Drawing.Rectangle
rowObject	object
Résultat	bool

RenderSubItem() public méthode

Render one cell

public RenderSubItem ( DrawListViewSubItemEventArgs e, Graphics g, Rectangle cellBounds, object rowObject ) : bool
e	System.Windows.Forms.DrawListViewSubItemEventArgs
g	System.Drawing.Graphics
cellBounds	System.Drawing.Rectangle
rowObject	object
Résultat	bool

StandardGetEditRectangle() protected méthode

This method calculates the bounds of the text within a standard layout (i.e. optional checkbox, optional image, text)

This method only works correctly if the state of the renderer has been fully initialized (see BaseRenderer.GetEditRectangle)

protected StandardGetEditRectangle ( Graphics g, Rectangle cellBounds, Size preferredSize ) : Rectangle
g	System.Drawing.Graphics
cellBounds	System.Drawing.Rectangle
preferredSize	System.Drawing.Size
Résultat	System.Drawing.Rectangle

StandardHitTest() protected méthode

Perform normal hit testing relative to the given bounds

protected StandardHitTest ( Graphics g, BrightIdeasSoftware.OlvListViewHitTestInfo hti, Rectangle bounds, int x, int y ) : void
g	System.Drawing.Graphics
hti	BrightIdeasSoftware.OlvListViewHitTestInfo
bounds	System.Drawing.Rectangle
x	int
y	int
Résultat	void

StandardRender() protected méthode

Draw the standard "[checkbox] [image] [text]" cell after the state properties have been initialized.

protected StandardRender ( Graphics g, Rectangle r ) : void
g	System.Drawing.Graphics
r	System.Drawing.Rectangle
Résultat	void