BBjControl::removeAttribute

Description

In BBj 22.13 and higher, this method removes a control attribute.

Syntax

Return Value	Method
void	removeAttribute(string attribute)

Parameters

Variable	Description
attribute	Specifies an attribute to be removed from the control.

Return Value

None.

Remarks

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

Example

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BBjControl::removeAttribute Example

sysgui = unt
open (sysgui)"X0"
sysgui! = bbjapi().getSysGui()
window! = sysgui!.addWindow(50,50,500,550,"addEditBox",$00090083$)
window!.setBackColor(sysgui!.makeColor(250,250,250))
window!.setCallback(window!.ON_CLOSE,"eoj")
status! = window!.addStatusBar(100)
data "text","color","date","datetime-local","email","month"
data "number","range","search","submit","tel","time","url","week"
i = 101, x = 125, y = 25, w = 225, h = 25
while 1
 dread type$,err=*break
 statictext! = window!.addStaticText(i+100,0,y+5,115,h,type$,$8000$)
 statictext!.setOpaque(0)
 editbox! = window!.addEditBox(i,x,y,w,h,"",$$,type$)
 editbox!.setBackColor(BBjColor.YELLOW)
 editbox!.setForeColor(BBjColor.BLUE)
 if type$ = "text" then
    editbox!.setText("The quick brown fox jumps over the lazy dog.")
 endif
 if type$="color" then
    color$ = "#" + hta(chr(rnd(255))) + hta(chr(rnd(255))) + hta(chr(rnd(255)))
    editbox!.setText(color$)
 endif
 if type$="date" then
    mask$ = "%Yl-%Mz-%Dz"
    editbox!.setText(date(0:mask$))
rem print "min=",editbox!.getAttribute("min"),",max=",editbox!.getAttribute("max")
    editbox!.setAttribute("min",date(jul(0,0,0)-365:mask$))
    editbox!.setAttribute("max",date(jul(0,0,0)+365:mask$))
rem print "min=",editbox!.getAttribute("min"),",max=",editbox!.getAttribute("max")
 endif
 if type$="datetime-local" then
    mask$="%Yl-%Mz-%DzT%Hz:%mz"
    editbox!.setAttribute("step","0.001")
    editbox!.setAttribute("step","1")
rem editbox!.setText(date(0:mask$))
rem print "min=",editbox!.getAttribute("min"),",max=",editbox!.getAttribute("max")
    editbox!.setAttribute("min",date(jul(0,0,0)-365:mask$))
    editbox!.setAttribute("max",date(jul(0,0,0)+365:mask$))
rem print "min=",editbox!.getAttribute("min"),",max=",editbox!.getAttribute("max")
 endif
 if type$="month" then
    mask$="%Yl-%Mz"
    editbox!.setText(date(0:mask$))
rem print "min=",editbox!.getAttribute("min"),",max=",editbox!.getAttribute("max")
    editbox!.setAttribute("min",date(jul(0,0,0)-365:mask$))
    editbox!.setAttribute("max",date(jul(0,0,0)+365:mask$))
rem print "min=",editbox!.getAttribute("min"),",max=",editbox!.getAttribute("max")
 endif
 if type$="number" then
    editbox!.setText(str(50))
    editbox!.setAlignment(editbox!.ALIGN_RIGHT)
rem print "min=",editbox!.getAttribute("min"),",max=",editbox!.getAttribute("max")
    editbox!.setAttribute("min","-100")
    editbox!.setAttribute("max","100")
rem editbox!.setAttribute("step","any")
    editbox!.setAttribute("step","0.01")
rem print "min=",editbox!.getAttribute("min"),",max=",editbox!.getAttribute("max")
 endif
 if type$="range" then
    editbox!.setText(str(50))
rem print "min=",editbox!.getAttribute("min"),",max=",editbox!.getAttribute("max")
    editbox!.setAttribute("min","-100")
    editbox!.setAttribute("max","100")
rem print "min=",editbox!.getAttribute("min"),",max=",editbox!.getAttribute("max")
 endif
 if type$="time" then
    mask$="%Hz:%mz:%sz.000"
rem editbox!.setText(date(0:mask$))
rem editbox!.setAttribute("step","0.001")
    editbox!.setAttribute("step","1")
 endif
 if type$="week" then
    mask$="%Yl-W%Wz"
    editbox!.setText(date(0:mask$))
 endif
 if type$="submit" then
    editbox!.setText("submit")
    editbox!.setAttribute("value","submit")
 endif
 editbox!.setName(type$)
 rem type$ = editbox!.getEditType(); rem ' this incurs the cost of a round trip
 System.err.println("getAttribute placeholder = "+editbox!.getAttribute("placeholder"))
 editbox!.setAttribute("placeholder","placeholder text goes here")
 System.out.println("setAttribute placeholder")
 System.out.println("getAttribute placeholder = "+editbox!.getAttribute("placeholder"))
 System.out.println("removeAttribute placeholder")
 editbox!.removeAttribute("placeholder")
 System.out.println("getAttribute placeholder = "+editbox!.getAttribute("placeholder"))
 System.out.println("setAttribute placeholder")
 editbox!.setAttribute("placeholder","placeholder text goes here")
 System.out.println("getAttribute placeholder = "+editbox!.getAttribute("placeholder"))
 editbox!.setToolTipText(type$)
 editbox!.setCallback(editbox!.ON_EDIT_MODIFY,"modify")
 button! = window!.addButton(i+200,x+w+15,y-5,115,h+10,"getText",$$)
 button!.setCallback(button!.ON_BUTTON_PUSH,"getText")
 button!.setToolTipText(type$)
 i = i + 1
 y = y + h + 10
wend
window!.setVisible(1)
process_events
eoj:
 release
getText:
 event! = sysgui!.getLastEvent()
 control! = window!.getControl(event!.getControl().getID()-200)
 i = msgbox(control!.getText(err=*next),0,control!.getName(err=*next))
return
modify:
 event! = sysgui!.getLastEvent()
 editbox! = event!.getControl()
 event$ = editbox!.getName()+" = '"+event!.getText()+"'"
 status!.setText(event$)
 print event$
return