Carousel Design Interface (PRIM_CARO.ICarouselDesign)
Interface allowing Carousel to communicate with its design instances
Ancestors - None
Details
The Carousel design interface is a specific requirement for all Carousel design reusable parts.
It provides a set of methods that can be executed by the containing Carousel control, allowing the reusable part to respond to changes in the Carousel.
Example
Below is a simple Carousel page that populates labels with the 3 fields that are mapped in when an entry is added via *ListFields. The values are used to populate labels on the design when the OnAdd method is executed.
If an image is assigned to the item, the OnItemImageChanged method is executed, and the image for the item can be used on the design.
Function Options(*DIRECT)
Begin_Com Role(*EXTENDS #PRIM_PANL *implements #Prim_Caro.iCarouselDesign *ListFields #ListFields) Displayposition(1) Height(345) Left(0) Tabposition(1) Top(0) Width(356) Layoutmanager(#AttachLayout1)
* Fields mapped in when the entry is added to the Carousel
Group_By Name(#ListFields) Fields(#Field1 #Field2 #Field3)
Define_Com Class(#PRIM_ATLM) Name(#AttachLayout1)
Define_Com Class(#PRIM_ATLI) Name(#AttachItem1) Attachment(Top) Manage(#Title) Parent(#AttachLayout1)
Define_Com Class(#PRIM_ATLI) Name(#AttachItem2) Attachment(Bottom) Manage(#Caption1) Parent(#AttachLayout1)
Define_Com Class(#PRIM_ATLI) Name(#AttachItem3) Attachment(Bottom) Manage(#Caption2) Parent(#AttachLayout1)
Define_Com Class(#PRIM_ATLI) Name(#AttachItem4) Attachment(Center) Manage(#Image) Parent(#AttachLayout1)
Define_Com Class(#PRIM_IMAG) Name(#Image) Displayposition(4) Height(283) Image(#xImageImage256) Left(0) Parent(#COM_OWNER) Tabposition(4) Tabstop(False) Top(20) Width(354) Imagesizing(BestFit)
Define_Com Class(#PRIM_LABL) Name(#Title) Alignment(Center) Caption('Title') Displayposition(1) Ellipses(Word) Height(20) Left(0) Parent(#COM_OWNER) Style(#xDemoStyles) Tabposition(1) Tabstop(False) Top(0) Verticalalignment(Center) Width(354)
Define_Com Class(#PRIM_LABL) Name(#Caption1) Alignment(Center) Caption('Caption1') Displayposition(2) Ellipses(Word) Height(20) Left(0) Parent(#COM_OWNER) Tabposition(3) Tabstop(False) Top(303) Width(354)
Define_Com Class(#PRIM_LABL) Name(#Caption2) Alignment(Center) Caption('Caption2') Displayposition(3) Ellipses(Word) Height(20) Left(0) Parent(#COM_OWNER) Tabposition(2) Tabstop(False) Top(323) Width(354)
Mthroutine Name(OnAdd) Help('Executed when the item is added using ADD_ENTRY') Options(*Redefine)
#Title := #Field1
#Caption1 := #Field2
#Caption2 := #Field3
Endroutine
Mthroutine Name(OnItemImageChanged) Help('Executed when the item "Image" property is set') Options(*redefine)
#Image.Image <= #CarouselItem.Image *As #prim_bmp
Endroutine
End_Com
Methods
Name | Description |
Executed when an item is added CarouselItem | |
Executed when an item is deleted CarouselItem | |
Executed when the Find method is used Result, CarouselItem, Key | |
Executed when the item becomes the focus item CarouselItem | |
Executed whenever a related reference is assigned to the item via the RelatedReference property CarouselItem | |
Executed when the item Image property is modified CarouselItem | |
Executed when focus is assigned to another item CarouselItem | |
Executed whenever the design enters the on screen portion of the control CarouselItem | |
Executed when the Sort method is invoked on the parent list Result, CarouselItem, CompareTo, Key | |
Executed when the associated list entry is updated CarouselItem |