BBjWebManager::addClass

Description

In BBj 24.00 and higher, this method adds a class name to one or more elements on the web page.

Syntax

Return Value Method
void addClass(string className)
void addClass(string className, string selector)

Parameters

Parameter Description
className Specifies the class name to be added to the selected element or elements.
selector By default, BBjWebManager::addClass applies to the document element on the web page. If a selector is specified, it selects one or more descendant elements within the document to set this CSS property. If a specified selector doesn't return any elements, the document element is used.

Return Value

None.

Example

rem ' BBjWebComponent

sysgui = unt
open (sysgui)"X0"
title$ = "BBjWebComponent"
sysgui! = bbjapi().getSysGui()
flags$ = $00190083$; rem ' DWC flow layout
flags$ = $00090083$; rem ' absolute layout
window! = sysgui!.addWindow(25,25,300,750,title$,flags$)
window!.setCallback(window!.ON_CLOSE,"eoj")
browser! = bbjapi().getWebManager(err=oops)
browser!.setCallback(browser!.ON_SCRIPT_LOADED,"loaded",err=oops)
browser!.setCallback(browser!.ON_SCRIPT_FAILED,"failed",err=oops)
browser!.setCallback(browser!.ON_STYLE_LOADED,"loaded",err=oops)
browser!.setCallback(browser!.ON_STYLE_FAILED,"failed",err=oops)

url$ = "https://cdn.jsdelivr.net/npm/@microsoft/fast-components/dist/fast-components.min.js"
top = 1
attributes$ = "type=module"
browser!.injectScriptUrl(url$, top, attributes$)

url$ = "https://cdn.jsdelivr.net/npm/@shoelace-style/shoelace@latest/cdn/themes/light.css"
top = 1
attributes$ = ""
browser!.injectStyleUrl(url$, top, attributes$)

url$ = "https://cdn.jsdelivr.net/npm/@shoelace-style/shoelace@latest/cdn/themes/dark.css"
top = 1
attributes$ = ""
browser!.injectStyleUrl(url$, top, attributes$)

rem ' https://shoelace.style/getting-started/installation
url$ = "https://cdn.jsdelivr.net/npm/@shoelace-style/shoelace@latest/cdn/shoelace.js"
url$ = "https://cdn.jsdelivr.net/npm/@shoelace-style/shoelace@latest/cdn/shoelace-autoloader.js"
top = 1
attributes$ = "type=module"
browser!.injectScriptUrl(url$, top, attributes$)

tagName$ = "fast-button"
fast_button! = window!.addWebComponent(101,25,25,100,25,tagName$)
fast_button!.setText(tagName$)
fast_button!.setStyle("width","")
fast_button!.setStyle("height","")
tooltip$ = "https://www.fast.design/docs/components/button"
fast_button!.setAttribute("title",tooltip$)
fast_button!.setAttribute("appearance","accent")
fast_button!.setCallback(fast_button!.ON_DEFINED,"event")
fast_button!.setCallback(fast_button!.ON_MOUSE_ENTER,"event")
fast_button!.setCallback(fast_button!.ON_MOUSE_EXIT,"event")
fast_button!.setCallback(fast_button!.ON_GAINED_FOCUS,"event")
fast_button!.setCallback(fast_button!.ON_LOST_FOCUS,"event")
fast_button!.setCallback("click","event")

light! = window!.addRadioButton(102,125,25,75,25,"Light",$0020$)
light!.setCallback(light!.ON_CHECK_ON,"light")

dark! = window!.addRadioButton(103,200,25,75,25,"Dark",$0020$)
dark!.setCallback(dark!.ON_CHECK_ON,"dark")

theme! = window!.addRadioGroup()
theme!.add(light!)
theme!.add(dark!)

tagName$ = "sl-button"

sl_button! = window!.addWebComponent(104,25,75,250,25,tagName$)
sl_button!.setProperty("size","small")
sl_button!.setText(tagName$)
tooltip$ = "https://shoelace.style/components/button"
sl_button!.setAttribute("title",tooltip$)
sl_button!.setCallback(sl_button!.ON_DEFINED,"event")
sl_button!.setCallback(sl_button!.ON_MOUSE_ENTER,"event")
sl_button!.setCallback(sl_button!.ON_MOUSE_EXIT,"event")
sl_button!.setCallback(sl_button!.ON_GAINED_FOCUS,"event")
sl_button!.setCallback(sl_button!.ON_LOST_FOCUS,"event")
sl_button!.setCallback("click","event")

sl_button! = window!.addWebComponent(105,25,125,250,25,tagName$)
sl_button!.setAttribute("pill","")
sl_button!.setText(tagName$+" pill")
tooltip$ = "https://shoelace.style/components/button"
sl_button!.setAttribute("title",tooltip$)
sl_button!.setCallback(sl_button!.ON_DEFINED,"event")
sl_button!.setCallback(sl_button!.ON_MOUSE_ENTER,"event")
sl_button!.setCallback(sl_button!.ON_MOUSE_EXIT,"event")
sl_button!.setCallback(sl_button!.ON_GAINED_FOCUS,"event")
sl_button!.setCallback(sl_button!.ON_LOST_FOCUS,"event")

tagName$ = "sl-switch"

sl_switch! = window!.addWebComponent(106,25,175,150,25,tagName$)
sl_switch!.setProperty("size","large")
sl_switch!.setText(tagName$)
tooltip$ = "https://shoelace.style/components/switch"
sl_switch!.setAttribute("title",tooltip$)
sl_switch!.setCallback(sl_switch!.ON_DEFINED,"event")
sl_switch!.setCallback(sl_switch!.ON_EXECUTE_SCRIPT,"event")
sl_switch!.setCallback(sl_switch!.ON_MOUSE_ENTER,"event")
sl_switch!.setCallback(sl_switch!.ON_MOUSE_EXIT,"event")
sl_switch!.setCallback(sl_switch!.ON_GAINED_FOCUS,"event")
sl_switch!.setCallback(sl_switch!.ON_LOST_FOCUS,"event")
sl_switch!.setCallback("sl-change","webevent")
sl_switch!.clearCallback("sl-change")
options! = sl_switch!.newEventOptions()
options!.setCode("console.log('testing custom event code.')")
options!.setFilter("event.target.checked")
options!.addItem("checked","event.target.checked")
sl_switch!.setCallback("sl-change","webevent",options!)

button! = window!.addButton(107,200,175,75,25,"Click",$$)
button!.setCallback(button!.ON_BUTTON_PUSH,"click")

tagName$ = "sl-button-group"

sl_button_group! = window!.addWebComponent(108,25,225,200,25,tagName$,$$)
tooltip$ = "https://shoelace.style/components/button-group"
sl_button_group!.setAttribute("title",tooltip$)
sl_button_group!.setCallback(sl_button_group!.ON_DEFINED,"event")
rem sl_button_group!.setCallback(sl_button_group!.ON_MOUSE_ENTER,"event")
rem sl_button_group!.setCallback(sl_button_group!.ON_MOUSE_EXIT,"event")
rem sl_button_group!.setCallback(sl_button_group!.ON_GAINED_FOCUS,"event")
rem sl_button_group!.setCallback(sl_button_group!.ON_LOST_FOCUS,"event")
rem sl_button_group!.setCallback("click","event")

left! = window!.addWebComponent(201,0,0,0,0,"sl-button",$0010$)
left!.setAttribute("title","left")
left!.setCallback(left!.ON_DEFINED,"event")
left!.setCallback(left!.ON_MOUSE_ENTER,"event")
left!.setCallback(left!.ON_MOUSE_EXIT,"event")
left!.setCallback(left!.ON_GAINED_FOCUS,"event")
left!.setCallback(left!.ON_LOST_FOCUS,"event")
left!.setCallback("click","event")
left!.setText("Left")

center! = window!.addWebComponent(202,0,0,0,0,"sl-button",$0010$)
center!.setAttribute("title","center")
center!.setCallback(center!.ON_DEFINED,"event")
center!.setCallback(center!.ON_MOUSE_ENTER,"event")
center!.setCallback(center!.ON_MOUSE_EXIT,"event")
center!.setCallback(center!.ON_GAINED_FOCUS,"event")
center!.setCallback(center!.ON_LOST_FOCUS,"event")
center!.setCallback("click","event")
center!.setText("Center")

right! = window!.addWebComponent(203,0,0,0,0,"sl-button",$0010$)
right!.setAttribute("title","right")
right!.setCallback(right!.ON_DEFINED,"event")
right!.setCallback(right!.ON_MOUSE_ENTER,"event")
right!.setCallback(right!.ON_MOUSE_EXIT,"event")
right!.setCallback(right!.ON_GAINED_FOCUS,"event")
right!.setCallback(right!.ON_LOST_FOCUS,"event")
right!.setCallback("click","event")
right!.setText("Right")

sl_button_group!.setSlot(left!)
sl_button_group!.setSlot(center!)
sl_button_group!.setSlot(right!)

tagName$ = "input"
input! = window!.addWebComponent(109,235,225,40,30,tagName$,$$)
input!.setProperty("autocomplete","off")
input!.setAttribute("title","keydown")
options! = input!.newEventOptions()
options!.setCode("event.preventDefault()")
options!.addItem("key","event.key")
options!.addItem("code","event.code")
options!.addItem("location","event.location")
options!.addItem("ctrlKey","event.ctrlKey")
options!.addItem("shiftKey","event.shiftKey")
options!.addItem("altKey","event.altKey")
options!.addItem("metaKey","event.metaKey")
input!.setCallback("keydown","keydown",options!)

rem https://shoelace.style/components/color-picker

tagName$ = "sl-color-picker"

sl_color_picker! = window!.addWebComponent(204,25,275,40,25,tagName$)
sl_color_picker!.setProperty("size","large")
sl_color_picker!.setAttribute("title","https://shoelace.style/components/color-picker")
r = rnd(255), g = rnd(255), b = rnd(255)
value$ = "#" + hta(chr(r)) + hta(chr(g)) + hta(chr(b))
sl_color_picker!.setProperty("value",value$)

hex! = window!.addButton(205,100,275,50,35,"hex",$$)
hex!.setCallback(hex!.ON_BUTTON_PUSH,"color")

rgb! = window!.addButton(206,150,275,50,35,"rgb",$$)
rgb!.setCallback(rgb!.ON_BUTTON_PUSH,"color")

hsl! = window!.addButton(207,200,275,50,35,"hsl",$$)
hsl!.setCallback(hsl!.ON_BUTTON_PUSH,"color")

tagName$ = "sl-card"
sl_card! = window!.addWebComponent(300,25,310,250,25,tagName$,$$)
sl_card!.setText("This is a kitten, but not just any kitten. This kitten likes walking along pallets.")
tooltip$ = "https://shoelace.style/components/card"
sl_card!.setAttribute("title",tooltip$)
sl_card!.setCallback(sl_card!.ON_DEFINED,"event")
sl_card!.setCallback(sl_card!.ON_MOUSE_ENTER,"event")
sl_card!.setCallback(sl_card!.ON_MOUSE_EXIT,"event")
sl_card!.setCallback(sl_card!.ON_GAINED_FOCUS,"event")
sl_card!.setCallback(sl_card!.ON_LOST_FOCUS,"event")
sl_card!.setCallback("click","event")
sl_card!.setStyle("font","16px sans-serif")
sl_card!.setStyle("color","var(--sl-color-neutral-900)")
sl_card!.setStyle("padding","1rem")

sl_card_image! = window!.addWebComponent(301,0,0,0,0,"img")
sl_card_image!.setCallback(sl_card_image!.ON_DEFINED,"event")
sl_card_image!.setAttribute("src","https://images.unsplash.com/photo-1547191783-94d5f8f6d8b1?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=400&q=80")
sl_card_image!.setAttribute("alt","A kitten walks towards camera on top of pallet.")
sl_card_image!.setAttribute("slot","image")

sl_card_header! = window!.addWebComponent(302,0,0,0,0,"span")
sl_card_header!.setCallback(sl_card_header!.ON_DEFINED,"event")
sl_card_header!.setHtml("<h1>A cat</h1>")
sl_card_header!.setAttribute("slot","header")

sl_card_footer! = window!.addWebComponent(304,0,0,0,0,"span")
sl_card_footer!.setCallback(sl_card_footer!.ON_DEFINED,"event")
sl_card_footer!.setHtml("<small>Note: some people are more into dogs.</small>")
sl_card_footer!.setAttribute("slot","footer")

sl_card!.setSlot("image",sl_card_image!)
sl_card!.setSlot("header",sl_card_header!)
sl_card!.setSlot("footer",sl_card_footer!)

status! = window!.addStatusBar(99)

EventHandler! = new EventHandler()
EventHandler!.setStatusBar(status!)
sl_button!.setCallback("click",EventHandler!,"onWebEvent")

process_events

oops:
  i = msgbox("Not supported in this client.")
eoj:
  release

loaded:
  event! = sysgui!.getLastEvent()
  msg$ = date(0:"%Hz:%mz:%sz.%tz ")+event!.getEventName()+" url="+str(event!.getUrl())
  System.out.println(msg$)
return

failed:
  event! = sysgui!.getLastEvent()
  msg$ = date(0:"%Hz:%mz:%sz.%tz ")+event!.getEventName()+" url="+str(event!.getUrl())
  System.err.println(msg$)
  i = msgbox(msg$,16)
return

keydown:
rem event key = 3
rem event code = Digit3
rem event location = 0
rem event ctrlKey = false
rem event shiftKey = false
rem event altKey = false
rem event metaKey = false
  event! = sysgui!.getLastEvent()
  msg$ = date(0:"%Hz:%mz:%sz.%tz ")+event!.getEventName()
  msg$ = msg$ + " " + event!.getEventType()
  eventMap$ = ""
  map! = event!.getEventMap()
  iterator! = map!.keySet().iterator()
  while iterator!.hasNext()
    key$ = iterator!.next()
    value! = map!.get(key$)
    if value! = null() then value$ = "null" else value$ = String.valueOf(value!)
    eventMap$ = eventMap$ + " " + key$ + " = " + value$
  wend
  msg$ = msg$ + " " + eventMap$
  status!.setText(msg$)
  System.out.println(msg$)
return

event:
  event! = sysgui!.getLastEvent()
  msg$ = date(0:"%Hz:%mz:%sz.%tz ")+event!.getEventName()
  msg$ = msg$ + " " + event!.getEventType(err=*next)
  msg$ = msg$ + " custom=" + Boolean.toString(event!.isCustom(err=*next))
  msg$ = msg$ + " " + event!.getControl().getTagName(err=*next)
  msg$ = msg$ + " " + str(event!.getControl().getID())
  msg$ = msg$ + " " + event!.getControl().getText()
  status!.setText(msg$)
  System.out.println(msg$)
return

webevent:
  event! = sysgui!.getLastEvent()
  msg$ = date(0:"%Hz:%mz:%sz.%tz ")+event!.getEventName()
  msg$ = msg$ + " " + event!.getEventType()
  msg$ = msg$ + " "+ event!.getWebComponent().getTagName()
  msg$ = msg$ + " "+ event!.getControl().getText()
  status!.setText(msg$)
  System.out.println(msg$)
  eventMap$ = "getJsonString(): " + event!.getJsonString() + $0a0a$
  eventMap$ = ""
  map! = event!.getEventMap()
  iterator! = map!.keySet().iterator()
  while iterator!.hasNext()
    key$ = iterator!.next()
    value! = map!.get(key$)
    if value! = null() then value$ = "null" else value$ = String.valueOf(value!)
    eventMap$ = eventMap$ + key$ + " = " + value$ + $0a$
  wend
  i = msgbox(eventMap$,32768,event!.getEventName()+" "+event!.getEventType()+" getEventMap")
return

class public EventHandler
  field public BBjStatusBar StatusBar!
  method public void onWebEvent(BBjWebEvent event!)
    msg$ = date(0:"%Hz:%mz:%sz.%tz onWebEvent ")+event!.getEventName()
    msg$ = msg$ + " " + event!.getEventType()
    msg$ = msg$ + " "+ event!.getWebComponent().getTagName()
    msg$ = msg$ + " "+ event!.getControl().getText()
    #StatusBar!.setText(msg$)
    System.out.println(msg$)
  methodend
classend

click:
  sl_switch!.executeAsyncScript("component.click()")
return

rem ' https://shoelace.style/components/color-picker#methods

color:
  format$ = sysgui!.getLastEvent().getControl().getText()
  method$ = "getFormattedValue('"+format$+"')"
  color$ = sl_color_picker!.executeScript(method$)
  i = msgbox(color$,0,method$)
return

rem ' https://shoelace.style/getting-started/themes

light:
  browser!.removeClass("sl-theme-dark")
  browser!.addClass("sl-theme-light")
  browser!.setTheme("light")
  gosub classList
return

dark:
  browser!.removeClass("sl-theme-light")
  browser!.addClass("sl-theme-dark")
  browser!.setTheme("dark")
  gosub classList
return

classList:
  classList! = browser!.getClassList()
  classList$ = "getClassList: " + str(classList!)
  status!.setText(classList$)
return

ClosedVersion History

  • BBj 24.00: BBjWebManager::addClass added.

See Also

BBjAPI

BBjBuiManager

BBjSysGui

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