BBjControl::hasAttribute

Description

In BBj 26.02 and higher, this method returns a boolean value indicating whether the BBjControl has the specified attribute.

Syntax

Return Value	Method
boolean	hasAttribute(String `attribute`)

Parameters

Parameter	Description
attribute	Specifies the name of an attribute.

Return Value

Returns a boolean value indicating whether the BBjControl has the specified attribute.

Remarks

This functionality is primarily intended for setting low-level BUI element attributes or DWC component attributes. When running in GUI, the attributes don't affect the control itself, but may be used by the developer.

Example

rem ' BBjControl::hasAttribute

sysgui = unt
open (sysgui)"X0"
sysgui! = bbjapi().getSysGui()

window! = sysgui!.addWindow(100,100,400,400,"hasAttribute",$00090083$)
window!.setCallback(window!.ON_CLOSE,"eoj")
control! = window!.addButton(100,125,25,250,25,"Control",$$)
window!.addStaticText(201,5,75,100,25,"Attribute:",$8000$)
window!.addStaticText(202,5,125,100,25,"Value:",$8000$)
attribute! =  window!.addEditBox(101,125,75,250,25,"attribute",$$)
value! =  window!.addEditBox(102,125,125,250,25,"",$$)
setAttribute! = window!.addButton(103,125,175,250,25,"setAttribute",$$)
setAttribute!.setCallback(setAttribute!.ON_BUTTON_PUSH,"setAttribute")
getAttribute! = window!.addButton(104,125,225,250,25,"getAttribute",$$)
getAttribute!.setCallback(getAttribute!.ON_BUTTON_PUSH,"getAttribute")
hasAttribute! = window!.addButton(105,125,275,250,25,"hasAttribute",$$)
hasAttribute!.setCallback(hasAttribute!.ON_BUTTON_PUSH,"hasAttribute")
removeAttribute! = window!.addButton(106,125,325,250,25,"removeAttribute",$$)
removeAttribute!.setCallback(removeAttribute!.ON_BUTTON_PUSH,"removeAttribute")

process_events

eoj:
   release

setAttribute:
  attribute$ = attribute!.getText()
  value$ = value!.getText()
  control!.setAttribute(attribute$,value$)
return

getAttribute:
  attr$ = attribute!.getText()
  attr! = control!.getAttribute(attr$)
  i = msgbox("value = """ + str(attr!) + """",0,"getAttribute "+attr$)
return

hasAttribute:
  attr$ = attribute!.getText()
  has! = control!.hasAttribute(attr$)
  i = msgbox("has "+attr$+" = "+Boolean.toString(has!),0,"hasAttribute "+attr$)
return

removeAttribute:
  attr$ = attribute!.getText()
  control!.removeAttribute(attr$)
return