BBjControl::removeAttribute

Description

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

Syntax

Return Value	Method
void	removeAttribute(string `attribute`)

Parameters

Parameter	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 attributes. When running in GUI, the attributes don't affect the control itself, but may be used by the developer.

Example

rem ' 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