ilog.cpl.css.function

Class IlpImageFunction

java.lang.Object

ilog.views.util.styling.IlvCSSFunction

ilog.cpl.css.function.IlpConvertionFunction

ilog.cpl.css.function.IlpImageFunction

All Implemented Interfaces:

Serializable

public class IlpImageFunction
extends IlpConvertionFunction

Function to convert a path into an Image instance.

It uses the image repository from the context of JTGO to fetch and load a specific image. The image repository of JTGO also provides a cache for all previously loaded images.

The function should be defined as follows:

   anInt : '@|image("/home/images/MyImage.png")'
 

Arguments:

• location: Image location in the image repository

This definition will fetch the corresponding image. If the function argument is not valid or cannot be fetched, a default image from the image repository will be returned.

Note: The function must be fully quoted in order to be parsed correctly.

Since:

JTGO 3.5

See Also:

IlpImageRepository, Serialized Form

Field Summary

Fields inherited from class ilog.views.util.styling.IlvCSSFunction

ANY, ANY_PROPERTIES, ANY_PSEUDOCLASSES

Constructor Summary

Constructors

Constructor and Description
IlpImageFunction() Constructor It has no arguments and gets the default application context.
IlpImageFunction(IlpContext context) Constructor.

Method Summary

Modifier and Type	Method and Description
Object	call(Object[] args, Class type, ilog.views.util.css.IlvCSSModel model, Object node, Object target, Object closure) Method called to execute the function.
String	getDelimiters() Returns the delimiters of the function parameters.
String	getName() Retrieves the name of the function.
boolean	returnDelimitersAsToken() Returns true whether the delimiters are returned also as token.

Methods inherited from class ilog.cpl.css.function.IlpConvertionFunction

convertColor, getContext

Methods inherited from class ilog.views.util.styling.IlvCSSFunction

getDependencies, getImportance, getShortDescription

Methods inherited from class java.lang.Object

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

Constructor Detail

IlpImageFunction

public IlpImageFunction()

Constructor

It has no arguments and gets the default application context.

IlpImageFunction

public IlpImageFunction(IlpContext context)

Constructor.

Parameters:

context - A context to be used by the function.

Method Detail

getName

public String getName()

Retrieves the name of the function.

Specified by:

getName in class IlvCSSFunction

Returns:

This function name, which is "image".

getDelimiters

public String getDelimiters()

Returns the delimiters of the function parameters.

Overrides:

getDelimiters in class IlvCSSFunction

Returns:

A string containing the accepted delimiters for this function, which is " " (empty) - all parameters are returned as a single token.

returnDelimitersAsToken

public boolean returnDelimitersAsToken()

Returns true whether the delimiters are returned also as token.

Overrides:

returnDelimitersAsToken in class IlvCSSFunction

Returns:

false means the delimiters are discarded.

call

public Object call(Object[] args,
                   Class type,
                   ilog.views.util.css.IlvCSSModel model,
                   Object node,
                   Object target,
                   Object closure)

Method called to execute the function.

Specified by:

call in class IlvCSSFunction

Parameters:

args - List of arguments passed to the function.

type - Expected type of the object returned by the function.

model - The CSS model being used.

node - Current model object being called on

target - The target object where the returned object will be applied.

closure - An object set by IlvCSSBeans.setFunctionClosure(java.lang.Object)

Returns:

The value computed by this function, which is Image.