Hello Greg, Thanks for your answer. I will test that.
Nicolas Le lun. 18 mai 2020 à 13:48, Greg Dove <[email protected]> a écrit : > > There's a few things to take note of here. > > 1. If you are binding to a static constant in another class, you need to > reference it via the other class (even if it is in ancestry). This is the > same as actionscript. That means importing the class inside a script block. > You don't need to use member access on the class if it is the current class > (the mxml document class). > > 2. The MaxNumberCharacters bead was not set up to be a binding target (it > was not propagating changes after startup values). I updated that, so it > should be usable in the way you want when you either rebuild, or download > the next nightly build (whichever you are doing). > > 3. For custom classes, you need to make sure you use the correct namespace > for the class level properties. This should be the same namespace as the > class itself. > > so for <ecran:Ecran1Class> > > you would use > <ecran:beads> ...ContainerDataBinding bead here ...</ecran:beads> > > > Here's how I tested: > > <ecrans:Ecran1Class xmlns:fx="http://ns.adobe.com/mxml/2009"; > xmlns:j="library://ns.apache.org/royale/jewel" > xmlns:js="library://ns.apache.org/royale/basic" > xmlns:ecrans="ecrans.*"> > > <fx:Script> > import ecrans.Ecran1Class; > > //alternative... see below > public static const LOCAL_MAX_CHARS_NOM:int = 25; > </fx:Script> > > <ecrans:beads> > <js:ContainerDataBinding/> > </ecrans:beads> > > <j:Form width="100%" height="100%" id="searchForm" > > > <j:FormItem id="labelNom" label="nom :" width="100%" > > <j:TextInput id="nom" > > <j:beads> > <j:MaxNumberCharacters > maxlength="{Ecran1Class.MAX_CHARS_NOM}" /> > <!-- an alternative option below, getting the constant > from this class --> > <!-- <j:MaxNumberCharacters > maxlength="{LOCAL_MAX_CHARS_NOM}" />--> > </j:beads> > </j:TextInput> > </j:FormItem> > </j:Form> > </ecrans:Ecran1Class> > > > From base class: > > package ecrans > { > > import org.apache.royale.jewel.View; > > public class Ecran1Class extends View > { > > public static const MAX_CHARS_NOM:int = 25; > > public function Ecran1Class() > { > super(); > } > > } > } > > Hope that helps. > > > On Mon, May 18, 2020 at 6:22 PM Greg Dove <[email protected]> wrote: > >> >> I will try to look at this in the next few hours. >> >> >> On Mon, May 18, 2020 at 6:18 PM Alex Harui <[email protected]> wrote: >> >>> Unfortunately, we could just have a bug in the Binding code. My first >>> thought when looking at the stack dump was “I wonder if we tested binding >>> to a static const in a base class?”. I’m hoping that folks who’ve spent >>> more time debugging the binding code will step in and follow up with you. >>> >>> >>> >>> -Alex >>> >>> >>> >>> *From: *Nicolas Aguttes <[email protected]> >>> *Reply-To: *"[email protected]" <[email protected]> >>> *Date: *Sunday, May 17, 2020 at 10:49 PM >>> *To: *"[email protected]" <[email protected]> >>> *Subject: *Re: Binding question/issue >>> >>> >>> >>> Hello in my different tries I put [Bindable] in front of my constant >>> >>> >>> >>> [Bindable] >>> >>> public >>> >>> static >>> >>> const MAX_CHARS_NOM:int = >>> >>> 50; >>> >>> >>> >>> >>> >>> And the error stack disappears when I remove the [Bindable] but it >>> doesn't solve my issue as the <j:MaxNumberCharacters >>> maxlength="{MAX_CHARS_NOM}" /> still shows an undefined value >>> >>> >>> >>> Nicolas >>> >>> >>> >>> Le lun. 18 mai 2020 à 07:32, Alex Harui <[email protected]> a écrit : >>> >>> Interesting. I wonder if @Greg Dove <[email protected]> has time to >>> look at this. He’s been through more of these scenarios than I have. >>> >>> >>> >>> -Alex >>> >>> >>> >>> *From: *Nicolas Aguttes <[email protected]> >>> *Reply-To: *"[email protected]" <[email protected]> >>> *Date: *Sunday, May 17, 2020 at 10:24 PM >>> *To: *"[email protected]" <[email protected]> >>> *Subject: *Re: Binding question/issue >>> >>> >>> >>> Hello Alex, >>> >>> >>> >>> this is the {MAX_CHARS_NOM} in my TextInput which is undefined and yes >>> there is an error >>> >>> >>> >>> >>> >>> TypeError: this.dispatcher is undefinedSimpleBinding.js:228:3 >>> >>> set__strand >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/binding/SimpleBinding.js >>> :228 >>> >>> addBead >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/core/ElementWrapper.js >>> :120 >>> >>> addBead >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/core/HTMLElementWrapper.js >>> :50 >>> >>> addBead >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/core/UIBase.js >>> :378 >>> >>> prepareCreatedBinding >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/binding/DataBindingBase.js >>> :79 >>> >>> initBindingsHandler >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/binding/ViewDataBinding.js >>> :82 >>> >>> <anonyme> self-hosted:844 >>> >>> fireListeners >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/events/EventDispatcher.js >>> :117 >>> >>> dispatchEventInternal_ >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/library/closure/goog/events/eventtarget.js >>> :382 >>> >>> dispatchEvent >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/events/EventDispatcher.js >>> :80 >>> >>> dispatchEvent >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/core/ElementWrapper.js >>> :243 >>> >>> addedToParent >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/jewel/View.js >>> :70 >>> >>> addElement >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/core/UIBase.js >>> :405 >>> >>> addElement >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/core/GroupBase.js >>> :165 >>> >>> initializeStrandBasedObject >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/utils/MXMLDataInterpreter.js >>> :241 >>> >>> generateMXMLArray >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/utils/MXMLDataInterpreter.js >>> :127 >>> >>> generateMXMLInstances >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/utils/MXMLDataInterpreter.js >>> :271 >>> >>> addedToParent >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/jewel/View.js >>> :69 >>> >>> addElement >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/core/UIBase.js >>> :405 >>> >>> addElement >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/core/GroupBase.js >>> :165 >>> >>> initializeStrandBasedObject >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/utils/MXMLDataInterpreter.js >>> :241 >>> >>> generateMXMLArray >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/utils/MXMLDataInterpreter.js >>> :127 >>> >>> generateMXMLInstances >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/utils/MXMLDataInterpreter.js >>> :271 >>> >>> addedToParent >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/jewel/View.js >>> :69 >>> >>> addElement >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/jewel/Application.js >>> :144 >>> >>> initialize >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/jewel/Application.js >>> :295 >>> >>> start >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/org/apache/royale/jewel/Application.js >>> :264 >>> >>> <anonyme> >>> file:///Users/nicolasA/Documents/dev/ApacheRoyale/TestBinding/bin/js-debug/TestBinding.html >>> :155 >>> >>> >>> >>> Le lun. 18 mai 2020 à 07:17, Alex Harui <[email protected]> a écrit : >>> >>> What value is undefined? Is there a call stack or error message? >>> >>> >>> >>> -Alex >>> >>> >>> >>> *From: *Nicolas Aguttes <[email protected]> >>> *Reply-To: *"[email protected]" <[email protected]> >>> *Date: *Sunday, May 17, 2020 at 10:09 PM >>> *To: *"[email protected]" <[email protected]> >>> *Subject: *Re: Binding question/issue >>> >>> >>> >>> Hello Alex, >>> >>> Thanks for your reply, I tried what you suggested and added addBead(new >>> ContainerDataBinding()) to the constructor, I also tried to add to the >>> Ecran1.mxml the >>> <j:beads> >>> <js:ContainerDataBinding/> >>> </j:beads> >>> >>> And read the different example provided Carlos and tried to mimic >>> them,but I still get an undefined >>> value when I execute the application. >>> >>> >>> >>> Le dim. 17 mai 2020 à 08:19, Alex Harui <[email protected]> a écrit : >>> >>> Hi Nicolas, >>> >>> >>> >>> Looks like you are using the Jewel component set, so you may need to add >>> ContainerDataBinding to the screens. Different MXML files can have >>> different binding implementation for performance reasons and there may not >>> be one specified by default for PAYG reasons. >>> >>> >>> >>> You can do that by adding the ContainerDataBinding bead to the MXML >>> files for screens where you have binding expressions in the same way you >>> added ApplicationDataBinding to the main app, or if Ecran1Class is only >>> used as the top tag in an MXML file, then it should be safe to just add the >>> ContainerDataBinding bead in the Ecran1Class constructor. >>> >>> >>> >>> public function Ecran1Class() >>> { >>> super(); >>> >>> addBead(new ContainerDataBinding()); >>> } >>> } >>> >>> >>> >>> HTH, >>> >>> -Alex >>> >>> >>> >>> *From: *Nicolas Aguttes <[email protected]> >>> *Reply-To: *"[email protected]" <[email protected]> >>> *Date: *Saturday, May 16, 2020 at 10:31 PM >>> *To: *"[email protected]" <[email protected]> >>> *Subject: *Binding question/issue >>> >>> >>> >>> Good morning all. >>> I am new to Apache Royale and I don't know how to make binding work >>> I have my main program which call some screens (ecrans.*) >>> each screen has its applicationScript where I define some constant that >>> I would link to bind to the view, it compiles, but the binding doesn't work >>> and shows undefine value. >>> I tried with differetn combination of >>> <j:beads> >>> <js:nnnnDataBinding/> >>> </j:beads> >>> but without success. >>> >>> Can someone tell we what I am doing wrong? >>> Thanks >>> Nicolas >>> >>> Here is a non working extract of my code >>> ----- Main ---- >>> <?xml version="1.0" encoding="utf-8"?> >>> <j:Application >>> xmlns:fx="http://ns.adobe.com/mxml/2009 >>> <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fns.adobe.com%2Fmxml%2F2009&data=02%7C01%7Caharui%40adobe.com%7C05689a9f276e48c7bb8a08d7faef49a5%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637253777955808572&sdata=c921nVJQ7u3iaEa9dd90PlvLZFPBQv5yuQ%2FsHE4SYOM%3D&reserved=0>" >>> >>> xmlns:ecrans="ecrans.*" >>> xmlns:j="library://ns.apache.org/royale/jewel >>> <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fns.apache.org%2Froyale%2Fjewel&data=02%7C01%7Caharui%40adobe.com%7C05689a9f276e48c7bb8a08d7faef49a5%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637253777955818567&sdata=kMfzaPRmkwDtNnwBpfkXRbYJFIdjUFe2SG9WsC3rWTs%3D&reserved=0> >>> " >>> xmlns:js="library://ns.apache.org/royale/basic >>> <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fns.apache.org%2Froyale%2Fbasic&data=02%7C01%7Caharui%40adobe.com%7C05689a9f276e48c7bb8a08d7faef49a5%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637253777955818567&sdata=l2WhZz75FeapqIJ21QkCZCo7qeDq8q7%2FnDUWNkJicjo%3D&reserved=0> >>> " >>> xmlns:html="library://ns.apache.org/royale/html >>> <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fns.apache.org%2Froyale%2Fhtml&data=02%7C01%7Caharui%40adobe.com%7C05689a9f276e48c7bb8a08d7faef49a5%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637253777955828561&sdata=FSxFBfXTWw%2F1z637bU%2BzSJIzneEhBQV%2FlLHgIwBVWfo%3D&reserved=0> >>> " >>> width="100%" >>> height="100%"> >>> <j:beads> >>> <js:ApplicationDataBinding/> >>> </j:beads> >>> <j:initialView> >>> <j:View id="vuePrincipale" width="100%" height="100%"> >>> <j:View id="EcranBox" width="100%" height="100%"> >>> <ecrans:Ecran1 id="Ecran1" /> >>> </j:View> >>> >>> </j:View> >>> </j:initialView> >>> </j:Application> >>> >>> ----- Scren 1 .mxml ------ >>> <?xml version="1.0" encoding="utf-8"?> >>> <ecrans:Ecran1Class >>> xmlns:fx="http://ns.adobe.com/mxml/2009 >>> <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fns.adobe.com%2Fmxml%2F2009&data=02%7C01%7Caharui%40adobe.com%7C05689a9f276e48c7bb8a08d7faef49a5%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637253777955828561&sdata=jkvBTJc0hr87M0L2ZeMBr6xjzMIk7t6YfB6ll9rJt0A%3D&reserved=0> >>> " >>> xmlns:ecrans = "ecrans.*" >>> xmlns:j="library://ns.apache.org/royale/jewel >>> <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fns.apache.org%2Froyale%2Fjewel&data=02%7C01%7Caharui%40adobe.com%7C05689a9f276e48c7bb8a08d7faef49a5%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637253777955838559&sdata=WYYtseVJsjkkAQhKMTfSfst2GfjW5AYODm9Ko6oUJSU%3D&reserved=0> >>> " >>> xmlns:html="library://ns.apache.org/royale/html >>> <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fns.apache.org%2Froyale%2Fhtml&data=02%7C01%7Caharui%40adobe.com%7C05689a9f276e48c7bb8a08d7faef49a5%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637253777955838559&sdata=4gMaR%2Fl2n5Bhiuqgvkdzzvuc7Rbn3r1nNFEiv3P2YbU%3D&reserved=0> >>> " >>> xmlns:js="library://ns.apache.org/royale/basic >>> <https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fns.apache.org%2Froyale%2Fbasic&data=02%7C01%7Caharui%40adobe.com%7C05689a9f276e48c7bb8a08d7faef49a5%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C637253777955848550&sdata=X9uLXFm4Bgb0%2BBi6hT9pCPR2Aa2xQoGz3Rd1p71%2B%2FLU%3D&reserved=0> >>> " >>> > >>> <j:Form width="100%" height="100%" id="searchForm" > >>> >>> <j:FormItem id="labelNom" label="nom :" width="100%" > >>> <j:TextInput id="nom" > >>> <j:beads> >>> <j:MaxNumberCharacters maxlength="{MAX_CHARS_NOM}" /> >>> </j:beads> >>> </j:TextInput> >>> </j:FormItem> >>> </j:Form> >>> </ecrans:Ecran1Class> >>> >>> >>> ----- screen 1 .as -------- >>> package ecrans >>> { >>> import org.apache.royale.jewel.View; >>> >>> public class Ecran1Class extends View >>> { >>> // Proprietes >>> [Bindable] public static const MAX_CHARS_NOM:int = 50; >>> >>> // Constructeur >>> public function Ecran1Class() >>> { >>> super(); >>> } >>> } >>> >>>
