That would also introduce an error since the XML is a constructed String
that is passed into an XMLList.
Ie:
var MyXMLString : String = ' ...... ' + MyVariables + ' .....';
var myXMLList : XMLList = new XMLList(MyXMLString);
I think this means that the value is included correctly, but is not
capable of producing a data binding effect.
Regards,
Graham Weldon
Tim Hoff wrote:
> One other thought. Instead of using the curly braces in the XML, do
> you think that you could use the special characters like /n7B
> and /n7D?
>
>
> --- In flexcoders@yahoogroups.com, "Tim Hoff" <[EMAIL PROTECTED]> wrote:
> >
> > That's cool Graham. I might use your solution as well, until the
> > MenuBar XML items allow databinding.
> >
> > Later,
> > Tim
> >
> >
> > --- In flexcoders@yahoogroups.com, Graham Weldon <graham.weldon@>
> > wrote:
> > >
> > > Hi Tim,
> > >
> > > I like your concept, but I don't feel that it will be practical
> > for the
> > > situation in which I want to use it.
> > >
> > > I have this data binding working on a tool bar, which I can
> define
> > > completely with MXML... (detailed below).
> > >
> > > Note that some of the names have changed since my last post, but
> > you can
> > > see since I have a complete MXML implementation, using no
> > ActionScript.
> > > This allows me to insert using the curly-brace notation for data
> > binding
> > > directly to the ModelLocator. This method works fine, and I have
> > for the
> > > moment installed a temporary button that toggles the state of
> some
> > of
> > > these ACTION_ENABLED variables and have verified that this works
> > > wonderfully.
> > >
> > > Perhaps there is a way to define a MenuBar completely in MXML,
> to
> > allow
> > > this data binding option also? I'm not certain since the
> > documentation
> > > for MenuBars varies depending on where you are reading it.
> > >
> > > Regards,
> > > Graham Weldon
> > >
> > > ================================================================
> > > <mx:Canvas
> > > xmlns:mx="http://www.adobe.com/2006/mxml"
> > > styleName="myToolbar">
> > >
> > > <!-- ================================= -->
> > > <!-- ================= FILE OPERATIONS -->
> > > <mx:LinkButton
> > > styleName="myToolbarButton"
> > > id="toolbar_fileNew"
> > > toolTip="New"
> > > icon="@Embed('images/icons/ck_6.gif')"
> > > disabledIcon="@Embed('images/icons/ck_6_off.gif')"
> > > width="25"
> > > height="25"
> > > enabled="{ModelLocator.getInstance
> > ().ACTION_ENABLED__FILE_NEW}"
> > > x="0"/>
> > >
> > > <mx:LinkButton
> > > styleName="myToolbarButton"
> > > id="toolbar_fileOpen"
> > > toolTip="Open"
> > > icon="@Embed('images/icons/ck_1.gif')"
> > > disabledIcon="@Embed('images/icons/ck_1_off.gif')"
> > > width="25"
> > > height="25"
> > > enabled="{ModelLocator.getInstance
> > ().ACTION_ENABLED__FILE_OPEN}"
> > > x="25"/>
> > > <!-- ================================= -->
> > >
> > > </mx:Canvas>
> > >
> > > ================================================================
> > >
> > >
> > >
> > >
> > > Tim Hoff wrote:
> > >
> > > > Yeah, I was afraid of that. You would probably have to
> dispatch
> > an
> > > > event that is listened for by the view, when you want to
> > > > enable/disable menu options. The listening function would do
> > > > something like this:
> > > >
> > > > private function enableMenuItems(mb:MenuBar):void
> > > > {
> > > > for (var i:int = 0; i < 2; i++)
> > > > {
> > > > mb.getMenuAt(i).enabled =
> > > > ModelLocator.getInstance().enabledMenuArray(i).enabledValue;
> > > > }
> > > > }
> > > >
> > > > Not true binding, but it might work. This code has errors,
> but
> > you
> > > > get the idea. Just brainstorming.
> > > >
> > > > -TH
> > > >
> > > > --- In flexcoders@yahoogroups.com, Graham Weldon
> <graham.weldon@>
> > > > wrote:
> > > > >
> > > > > Hi Tim,
> > > > >
> > > > > Curly braces dont work for data binding within ActionScript
> in
> > the
> > > > > manner you suggest:
> > > > > * Expecting colon before dot.
> > > > > * Syntax Error: rightbrace is unexpected.
> > > > > * Expecting rightbrace before semicolon.
> > > > >
> > > > > Those are the compile errors encountered. Perhaps there is
> > another
> > > > wya
> > > > > to use dataBinding from ActionScript? Or alternatively,
> there
> > may
> > > > be a
> > > > > way to completely define this component in MXML, allowsin us
> to
> > > > use the
> > > > > curly-brace notation for databinding?
> > > > >
> > > > > Regards,
> > > > > Graham Weldon
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Tim Hoff wrote:
> > > > >
> > > > > > Did you try this: (curly braces for binding)
> > > > > >
> > > > > > <menuItem label="New" enabled="' +
> > > > > > { ModelLocator.getInstance
> > > > ().ACTION_ENABLED_FILE_NEW }
> > > > > > + '"/>
> > > > > >
> > > > > > --- In flexcoders@yahoogroups.com, "Graham Weldon"
> > > > > > <graham.weldon@> wrote:
> > > > > > >
> > > > > > > I've asked this question previously, but in a slightly
> > > > different
> > > > > > > manner, and since its post, I ahve managed to make some
> > > > progress.
> > > > > > >
> > > > > > > I have created a new MXML component that represents a
> > MenuBar
> > > > with
> > > > > > > some items within that will not change except for their
> > enabled
> > > > > > value.
> > > > > > > I am building this on top of the Cairngorm framework 2.0
> > beta,
> > > > > > which
> > > > > > > means I'm taking advantage of the ModelLocator construct.
> > > > > > >
> > > > > > > I have a collection of ENABLED indicators stored on the
> > > > > > ModelLocator,
> > > > > > > which will be changed at varying points in the programs
> > > > execution.
> > > > > > > These states need to enable and disable the options in
> the
> > > > menu.
> > > > > > >
> > > > > > > Here is a snippet of what I am using, which works great
> for
> > > > > > indicating
> > > > > > > the initial required enabled or disabled state, but does
> > not
> > > > > > update as
> > > > > > > the variables change...
> > > > > > >
> > > > > > > Any thoughts on how to restructure this to allow the
> > options to
> > > > > > update
> > > > > > > in real time with data binding, rather than being set
> upon
> > > > > > > instantiation and initialisation of the component.
> > > > > > >
> > > > > > > Thanks in advance!
> > > > > > >
> > > > > > > Regards,
> > > > > > > Graham Weldon
> > > > > > >
> > > > > > >
> > > > > > > ==============================================
> > > > > > >
> > > > > > > import mx.collections.XMLListCollection;
> > > > > > >
> > > > > > > [Bindable]
> > > > > > > private var menuXML : XMLListCollection = new
> > > > > > > XMLListCollection(rawMenuXML);
> > > > > > > [Bindable]
> > > > > > > private var rawMenuXML : XMLList = XMLList(
> > > > > > > '<menuItem label="File" enabled="' +
> > > > > > > ModelLocator.getInstance
> ().ACTION_ENABLED_FILEMENU
> > > > + '">' +
> > > > > > >
> > > > > > > '<menuItem label="New" enabled="' +
> > > > > > > ModelLocator.getInstance
> > ().ACTION_ENABLED_FILE_NEW
> > > > > > + '"/>' +
> > > > > > > '<meunItem label="Open" enabled="' +
> > > > > > > ModelLocator.getInstance
> > ().ACTION_ENABLED_FILE_OPEN
> > > > > > + '"/>' +
> > > > > > >
> > > > > > > '</menuItem>'
> > > > > > > );
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > <mx:MenuBar
> > > > > > > labelField="@label"
> > > > > > > xmlns:mx="http://www.adobe.com/2006/mxml"
> > > > > > > dataProvider="{menuXML}"/>
> > > > > > >
> > > > > > > ==============================================
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
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