What's the latest? I'd like to test this some tomorrow.
Sent from my stupid iPhone
On Dec 19, 2012, at 5:56 PM, Michael Evans <[email protected]> wrote:
> Guess I was feeling lazy when I wrote menuRemoveItem...it's an easy fix. The
> array.splice(indexToStart, numberOfElements) function is perfect for it. Now
> fixed; see the new method below.
>
> menuRemoveItem: function(menu, index) {
> if(index >= 0 && index < menu.items.length)
> menu.items.splice(index, 1);
> }
>
> I see what you mean about the action listener, Bob. Shouldn't be too tough to
> make that happen. Thanks for the debugCode tip; should be easier to get a
> handle on that now as well. Finally, feel free to copy over any or all of my
> code to the "official" JSmol code (probably don't have to tell you that...
> :D).
>
> Cheers, Mike
>
> ---
> Michael Evans
> Organic Chemistry Graduate Student, Moore Group
> University of Illinois, Urbana-Champaign
>
>
> On Wed, Dec 19, 2012 at 3:05 PM, Robert Hanson <[email protected]> wrote:
> Wow, this is great! Almost there, I think.
>
>
> On Wed, Dec 19, 2012 at 12:48 PM, Michael Evans <[email protected]> wrote:
> Bob et al.,
> Progress has been made on a popup menu for JSmol. I've implemented PopupMenu,
> MenuItem, CheckboxMenuItem, and RadioButtonMenuItem, among other things.
> Check it out:
>
> http://www.metallacycle.com/play/netmol/tests/popupMenu/jmolPopupMenu.js
>
>
> OK! You are way ahead of me!
>
>
> The demo is still functional as well:
>
> http://www.metallacycle.com/play/netmol/tests/popupMenu/popupMenu.html
>
> Two things I'm struggling with:
> 1) What's the difference between a ButtonGroup and a set of
> RadioButtonMenuItems?
>
> I think it's the same. I think really in JavaScript it's just a set of radio
> buttons with the same name. Be sure to use
>
> applet._id
>
> as a prefix to every name or id so that multiple applets on a page do not
> have the same name or id for anything.
>
>
> 2) Event handling in general. For example, a checkbox menu item doesn't
> "know" its parent, so when it's clicked, it can't run commands on its parent
> applet without bubbling an event up to its parent jmol object. I will
> continue to work on this, but event handling in JS is not one of my
> specialties. I'll look into custom events mediated by jQuery, but in the
> meantime, if there are any JS event experts out there, help would be
> appreciated! :-)
>
> Actually, it does. What you are missing is that when a checkbox is created,
> the following command sequence is run:
>
> /**
> * @j2sNative
> *
> * if (isRadio) {
> * item = new Jmol.Menu.RadioButtonMenuItem(entry);
> * item.setArmed(state);
> * } else {
> * item = new Jmol.Menu.CheckBoxMenuItem(entry);
> * item.setState(state);
> * }
> * item.setSelected(state);
> * item.addItemListener(this);
> *
> */
>
> So that "addItemListener" is giving the checkbox a reference to the instance
> of org.jmol.awt2d.JSPopup that created it. Store that as jmolPopup in the
> item. Then:
>
> xxxx.jmolPopup.checkBoxStateChanged(xxxx);
>
> Similarly, all normal menu items have:
>
> /**
> * @j2sNative
> *
> * item = new Jmol.Menu.MenuItem(entry);
> * item.addActionListener(this);
> *
> */
>
> (notice "Action" here, not "Item")
> This is going to respond to clicks:
>
> xxxx.jmolPopup.checkMenuClick(xxxx, xxxx.getActionCommand());
>
>
> where getActionCommand() returns "background yellow" should take care of it.
>
> Finally, there are a few items that are special and start with "Focus". These
> also get a mouse listener so that we can track when they are entered and
> exited:
>
> /**
> * @j2sNative
> * if (id != null && id.startsWith("Focus")) {
> * item.addMouseListener(this);
> * id = menu.getName() + "." + id;
> * }
> * item.setName(id == null ? menu.getName() + "." : id);
> */
>
> Then that needs to be set up so that we can run:
>
> item.jmolPopup.checkMenuFocus(item.getName(), item.getActionCommand(),
> true);
> item.jmolPopup.checkMenuFocus(item.getName(), item.getActionCommand(),
> false);
>
> And we should be done!
>
>
> By the way, your comment there that it should be OK to use a null instead of
> removing an item is not right. This could happen extensively, and we need to
> actually remove that array element.
>
> Bob
>
>
> --
> Robert M. Hanson
> Larson-Anderson Professor of Chemistry
> Chair, Chemistry Department
> St. Olaf College
> Northfield, MN
> http://www.stolaf.edu/people/hansonr
>
>
> If nature does not answer first what we want,
> it is better to take what answer we get.
>
> -- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
>
>
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