Re: [Dynapi-Widgetdev] Events fire all over the place on subclasses

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No nastiness intended - haven't had any of that on this list as long as I
can remember, an I like that :o)

----- Original Message -----
From: "A. Joannou" <ari...@nt...>
To: <dyn...@li...>
Sent: 21 May, 2001 17:18
Subject: RE: [Dynapi-Widgetdev] Events fire all over the place on subclasses


> We do not need to get nasty and therefore I need to make one thing clear.
> I have not misunderstood. On the contrary, I am all FOR the project, and
> appreciate what's available as building blocks. I have been using the API
> since Dan wrote the first version and have never expected anything more
> than what was already there. I never had the time to contribute to
> the project, and maybe that time has come. Sadly, I have not been involved
> with the 'Event' side of things which seems to be involved right done to
the
> core and I do not want to mess around with that.
> Thanks for your help.
>
> -----Original Message-----
> From: dyn...@li...
> [mailto:dyn...@li...]On Behalf Of
> Richard Bennett
> Sent: 21 May 2001 15:43
> To: dyn...@li...
> Subject: Re: [Dynapi-Widgetdev] Events fire all over the place on
> subclasses
>
>
> In case you misunderstood, this is open-source software, distributed under
> the GNU license.
> In this case that means that any effort you, or anyone, put into the
project
> is entirely voluntary, and unpaid.
> Basically we all need a robust tool for dhtml, and do our bit to
contribute
> as we can.
> Let's leave who can help as an open question, they all read this list, and
> whoever can will take a look.
> It's been registered as a bug, so will be tackled sooner or later.
>
> It seems pretty basic to the whole inheritance idea that this should work,
> but obviously something went wrong with the event listeners.
>
> Richard.
>
> ----- Original Message -----
> From: "A. Joannou" <ari...@nt...>
> To: <dyn...@li...>
> Sent: 21 May, 2001 13:04
> Subject: RE: [Dynapi-Widgetdev] Events fire all over the place on
subclasses
>
>
> > Richard,
> >
> > Thanks for the prompt reply! I hope tey pay you well!
> > Do you think I/we should let someone else know that can fix this?
> > The problem is a global one affecting any secondary+ subclass, and
> > needs to be addressed I think, because bypasses and shortcuts
> > for quick solutions are always available. Who do you think would
> > be the best person to contact on the matter?
> >
> > Deli
> >
> > -----Original Message-----
> > From: dyn...@li...
> > [mailto:dyn...@li...]On Behalf Of
> > Richard Bennett
> > Sent: 21 May 2001 07:34
> > To: dyn...@li...
> > Subject: Re: [Dynapi-Widgetdev] Events fire all over the place on
> > subclasses
> >
> >
> > hi,
> > I did some research on this, see:
> > http://www.richardinfo.f2s.com/dynapi/Deli/
> >
> > To cut a long story short, this problem happens with lists, scrollpanes,
> and
> > pushpanel.
> > The problem with lists is down to a bug in that widget itself, and only
> > happens when listening for onselect - use onmouseup instead.
> >
> > The problem with scrollpanes and pushpanel, comes because these are the
> only
> > two widgets at the moment NOT prototyped off a DynLayer, but prototyped
> off
> > a viewport in this case.
> > Obviously our inheritance model isn't working as it should .
> > If you change scrollpane, so it inherits from DynLayer, and add viewport
> as
> > a child, it works as it should, regarding eventlisteners.
> > What changed since version 2, when I suspect this worked normally, has
> been
> > the setting of the IDs, I tried a few things here, but couldn't find the
> > final solution.
> > Nice but no cigar, as they say.
> > Maybe someone more at home with DynAPI's inheritance can help out here.
> >
> > Richard.
> >
> >
> >
> > ----- Original Message -----
> > From: "A. Joannou" <ari...@nt...>
> > To: <dyn...@li...>
> > Sent: 20 May, 2001 22:12
> > Subject: [Dynapi-Widgetdev] Events fire all over the place on subclasses
> >
> >
> > > Hi,
> > > My name is Deli, and I am facing a HUGE problem.
> > > On objects made from other objects which in turn are made from the
> > DynLayer
> > > (e.g. scrollPane),  eventListeners placed on one object, fire on ALL
of
> > them
> > > as outlined in the following example. Why is this? Is there a
solution?
> > > This problem is apparent on any objects created in the same way (e.g.
if
> I
> > > create an object 'A' based on DynLayer, and then create an object 'B'
> > based
> > > on object 'A', the same problem occurs).
> > > This makes programming of complex objects IMPOSSIBLE.
> > >
> > > Looking forward to your prompt reply.
> > > Deli.
> > >
> > > PS. Below is a simple Scrollpane example (example#1) outlining the
> > problem.
> > > Scrollpane#1 and Scrollpane#2 are created, but only Scrollpane#1 is
> given
> > an
> > > eventlistener to listen for the 'create' event.
> > > The problem is that the event fires ALSO when the Scrollpane#2 is
> created,
> > > when REALLY I haven't asked it to.
> > > This does NOT happen if the example was made with DynLayers
(example#2).
> > >
> > > example#1
> > > <html>
> > > <head>
> > > <title>CoreLib example</title>
> > >
> > > </head>
> > >
> > > <script language="Javascript" src="../src/dynapi.js"></script>
> > > <script language="Javascript">
> > >
> > > DynAPI.setLibraryPath('../src/lib/')
> > > DynAPI.include('dynapi.api.*');
> > > DynAPI.include('dynapi.event.*')
> > > DynAPI.include('dynapi.util.thread.js');
> > > DynAPI.include('dynapi.util.pathanim.js');
> > > DynAPI.include('dynapi.gui.dynimage.js');
> > > DynAPI.include('dynapi.gui.button.js');
> > > DynAPI.include('dynapi.gui.scrollbar.js');
> > > DynAPI.include('dynapi.gui.viewport.js');
> > > DynAPI.include('dynapi.gui.scrollpane.js');
> > > DynAPI.include('dynapi.gui.label.js');
> > >
> > >
> > >
> >
>
//##########################################################################
> > > ##################
> > > DynAPI.onLoad=function() {
> > > label1 = new Label('<table border=1><tr><td width=160 height=160>label
1
> > > alk jskj slkj k dkjkj dk skslkdjf lskd f</td></tr></table>')
> > > label1.setWrap(false)
> > > label1.setPadding(5)
> > > label1.setBgColor('cyan')
> > > label1.setSize(160,160)
> > >
> > > label2 = new Label('<table border=1><tr><td width=160 height=160>label
1
> > > alk jskj slkj k dkjkj dk skslkdjf lskd f</td></tr></table>')
> > > label2.setWrap(false)
> > > label2.setPadding(5)
> > > label2.setBgColor('cyan')
> > > label2.setSize(160,160)
> > >
> > >
> > >
> > >
> >
>
//##########################################################################
> > > #################//
> > > //SCROLLPANE#1
> > >
> > >
> >
>
//##########################################################################
> > > #################//
> > > var scrollpane1 = new ScrollPane(label1);
> > > scrollpane1.setSize(150,150)
> > > scrollpane1.moveTo(250,50)
> > > scrollpane1.setBgColor('#c0c0c0')
> > >
> > >
> > >
> >
>
//##########################################################################
> > > ##
> > > //EVENT LISTENERS
> > >
> > >
> >
>
//##########################################################################
> > > ##
> > > var EListener1 = new EventListener();
> > >
> > >
> >
>
//##########################################################################
> > > ##
> > > EListener1.oncreate = function(e) {
> > > var o=e.getSource();
> > > alert("from SP1: "+o.id);
> > > };
> > > scrollpane1.addEventListener(EListener1);
> > >
> > > DynAPI.document.addChild(scrollpane1);
> > >
> > >
> > >
> >
>
//##########################################################################
> > > #################//
> > > //SCROLLPANE#2
> > >
> > >
> >
>
//##########################################################################
> > > #################//
> > > var scrollpane2 = new ScrollPane(label2);
> > > scrollpane2.setSize(150,150)
> > > scrollpane2.moveTo(250,300)
> > > scrollpane2.setBgColor('#c0c0c0')
> > > DynAPI.document.addChild(scrollpane2);
> > >
> > >
> > >
> > >
> > > }
> > >
> > > </script>
> > >
> > >
> > > <body bgcolor="#ffffff">
> > > </body>
> > > </html>
> > >
> > >
> > > Below is the DynLayer example in which THIS effect does NOT happen.
> > > The code has not been changed apart from the declarations of the
objects
> > >  new ScrollPane(label2) -> new DynLayer() )
> > >
> > > example#2
> > > <html>
> > > <head>
> > > <title>CoreLib example</title>
> > >
> > > </head>
> > >
> > > <script language="Javascript" src="../src/dynapi.js"></script>
> > > <script language="Javascript">
> > >
> > > DynAPI.setLibraryPath('../src/lib/')
> > > DynAPI.include('dynapi.api.*');
> > > DynAPI.include('dynapi.event.*')
> > > DynAPI.include('dynapi.util.thread.js');
> > > DynAPI.include('dynapi.util.pathanim.js');
> > > DynAPI.include('dynapi.gui.dynimage.js');
> > > DynAPI.include('dynapi.gui.button.js');
> > > DynAPI.include('dynapi.gui.scrollbar.js');
> > > DynAPI.include('dynapi.gui.viewport.js');
> > > DynAPI.include('dynapi.gui.scrollpane.js');
> > > DynAPI.include('dynapi.gui.label.js');
> > >
> > >
> > >
> >
>
//##########################################################################
> > > ##################
> > > DynAPI.onLoad=function() {
> > > label1 = new Label('<table border=1><tr><td width=160 height=160>label
1
> > > alk jskj slkj k dkjkj dk skslkdjf lskd f</td></tr></table>')
> > > label1.setWrap(false)
> > > label1.setPadding(5)
> > > label1.setBgColor('cyan')
> > > label1.setSize(160,160)
> > >
> > > label2 = new Label('<table border=1><tr><td width=160 height=160>label
1
> > > alk jskj slkj k dkjkj dk skslkdjf lskd f</td></tr></table>')
> > > label2.setWrap(false)
> > > label2.setPadding(5)
> > > label2.setBgColor('cyan')
> > > label2.setSize(160,160)
> > >
> > >
> > >
> > >
> >
>
//##########################################################################
> > > #################//
> > > //SCROLLPANE#1
> > >
> > >
> >
>
//##########################################################################
> > > #################//
> > > var scrollpane1 = new DynLayer();
> > > scrollpane1.setSize(150,150)
> > > scrollpane1.moveTo(250,50)
> > > scrollpane1.setBgColor('#c0c0c0')
> > >
> > >
> > >
> >
>
//##########################################################################
> > > ##
> > > //EVENT LISTENERS
> > >
> > >
> >
>
//##########################################################################
> > > ##
> > > var EListener1 = new EventListener();
> > >
> > >
> >
>
//##########################################################################
> > > ##
> > > EListener1.oncreate = function(e) {
> > > var o=e.getSource();
> > > alert("from SP1: "+o.id);
> > > };
> > > scrollpane1.addEventListener(EListener1);
> > >
> > > DynAPI.document.addChild(scrollpane1);
> > >
> > >
> > >
> >
>
//##########################################################################
> > > #################//
> > > //SCROLLPANE#2
> > >
> > >
> >
>
//##########################################################################
> > > #################//
> > > var scrollpane2 = new DynLayer();
> > > scrollpane2.setSize(150,150)
> > > scrollpane2.moveTo(250,300)
> > > scrollpane2.setBgColor('#c0c0c0')
> > > DynAPI.document.addChild(scrollpane2);
> > >
> > >
> > >
> > >
> > > }
> > >
> > > </script>
> > >
> > >
> > > <body bgcolor="#ffffff">
> > > </body>
> > > </html>
> > >
> > >
> > > _______________________________________________
> > > Dynapi-Widgetdev mailing list
> > > Dyn...@li...
> > > http://lists.sourceforge.net/lists/listinfo/dynapi-widgetdev
> > >
> >
> >
> > _______________________________________________
> > Dynapi-Widgetdev mailing list
> > Dyn...@li...
> > http://lists.sourceforge.net/lists/listinfo/dynapi-widgetdev
> >
> >
> > _______________________________________________
> > Dynapi-Widgetdev mailing list
> > Dyn...@li...
> > http://lists.sourceforge.net/lists/listinfo/dynapi-widgetdev
> >
>
>
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>
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