BUI logoDWC logoBBjControl::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

See Also

BBjAPI

BBjSysGui

BBjWindow

CSS API

Element.classList

See the BBj Object Diagram for an illustration of the relationship between BBj Objects.