com.goldencode.p2j.ui.ocx

Class ListImage

java.lang.Object

com.goldencode.p2j.comauto.ComObject

com.goldencode.p2j.ui.ocx.ComInterface

com.goldencode.p2j.ui.ocx.ListImage

All Implemented Interfaces:

IImage, Deletable, WrappedResource

public class ListImage
extends ComInterface
implements IImage

An server side implementation of IImage COM interface

Author:

mag

Field Summary

Fields

Modifier and Type	Field and Description
private comhandle	picture The 4GL pictute object
private comhandle	self Self instance reference
private BaseDataType	tag The extra data associated with this image

Fields inherited from class com.goldencode.p2j.ui.ocx.ComInterface

parent

Fields inherited from class com.goldencode.p2j.comauto.ComObject

includeUnannotatedMethods, LOGGER, methodTable, propertyTable

Fields inherited from interface com.goldencode.p2j.ui.ocx.IImage

IML_FOCUS, IML_NORMAL, IML_SELECTED, IML_TRANSPARENT

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ListImage(GenericWidget parent) Constructor.
private	ListImage(GenericWidget parent, comhandle picture) Constructor.

Method Summary

Modifier and Type	Method and Description
void	delete() Clears the consumed resources.
void	draw(integer hDC, integer x, integer y, integer style) Draws the image to a given device context (DC) at a specified location using a specified style.
memptr	extractIcon() Create an icon from a ListImage object in an ImageList control.
integer	getIndex() Return the index of an object in a collection.
character	getKey() Get the unique string of an object in a collection.
private ListImages	getListImages() Unwrap list images object.
comhandle	getPicture() Get the image Picture
BaseDataType	getTag() Get any extra data needed for your program.
static comhandle	newInstance(GenericWidget parent, comhandle picture) Factory method.
private void	reducePictureRefCount() Reduces the reference counter of the current picture object in order that it can be deleted.
void	setIndex(integer index) Set the index of an object in a collection Read only at runtime.
void	setKey(character key) Set the unique string of an object in a collection.
void	setPicture(comhandle picture) Set the image Picture
void	setTag(BaseDataType tag) Set any extra data needed for your program.

Methods inherited from class com.goldencode.p2j.ui.ocx.ComInterface

getActivexName, getName, valid

Methods inherited from class com.goldencode.p2j.comauto.ComObject

call, chainCall, checkParameters, deref, destroy, getComObjectClass, getComObjectInstance, getParentControlFrame, getParentProcedure, getProperty, id, id, init, marshal, ref, setName, setParentControlFrame, setProperty, unknown, unmarshal, unmarshal

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.goldencode.p2j.util.Deletable

allowDelete

Field Detail

picture

private comhandle picture

The 4GL pictute object

tag

private BaseDataType tag

The extra data associated with this image

self

private comhandle self

Self instance reference

Constructor Detail

ListImage

private ListImage(GenericWidget parent)

Constructor.

Parameters:

parent - Parent widget.

ListImage

private ListImage(GenericWidget parent,
                  comhandle picture)

Constructor.

Parameters:

parent - Parent widget.

Method Detail

newInstance

public static comhandle newInstance(GenericWidget parent,
                                    comhandle picture)

Factory method.

Parameters:

parent - Parent widget.

Returns:

a new instance wrapped in a comhandle.

draw

public void draw(integer hDC,
                 integer x,
                 integer y,
                 integer style)

Draws the image to a given device context (DC) at a specified location using a specified style.

Specified by:

draw in interface IImage

Parameters:

hDC - Device context handle

x - horizontal position

y - vertical position

style - drawing style

extractIcon

public memptr extractIcon()

Create an icon from a ListImage object in an ImageList control.

Specified by:

extractIcon in interface IImage

Returns:

Icon bytes

getIndex

public integer getIndex()

Return the index of an object in a collection.

Specified by:

getIndex in interface IImage

Returns:

object index, 1-based

setIndex

public void setIndex(integer index)

Set the index of an object in a collection Read only at runtime.

Specified by:

setIndex in interface IImage

Parameters:

index - new index, 1-based index.

getKey

public character getKey()

Get the unique string of an object in a collection.

Specified by:

getKey in interface IImage

Returns:

object key

setKey

public void setKey(character key)

Set the unique string of an object in a collection.

Specified by:

setKey in interface IImage

Parameters:

key - new key.

getPicture

public comhandle getPicture()

Get the image Picture

Specified by:

getPicture in interface IImage

Returns:

The picture comhandle

setPicture

public void setPicture(comhandle picture)

Set the image Picture

Specified by:

setPicture in interface IImage

Parameters:

picture - The picture comhandle

getTag

public BaseDataType getTag()

Get any extra data needed for your program.

Specified by:

getTag in interface IImage

Returns:

extra data if exists or unknown if not.

setTag

public void setTag(BaseDataType tag)

Set any extra data needed for your program.

Specified by:

setTag in interface IImage

Parameters:

tag - extra data

delete

public void delete()

Clears the consumed resources.

Specified by:

delete in interface Deletable

Overrides:

delete in class ComInterface

reducePictureRefCount

private void reducePictureRefCount()

Reduces the reference counter of the current picture object in order that it can be deleted.

getListImages

private ListImages getListImages()

Unwrap list images object.

Returns:

The ListImages instance, the container of list image objects.