Hi Hristo, This mailing list isn't allowing attachments, we cannot see it, so it's a bit unclear what you need.
> How could I possibly make an event listener inside Java? What events should the listener listen to, is it a client-side or server-side event? To call Java methods from JS you usually build an API endpoint, i.e. with Resteasy or GraphQL. I presume you'll need access to the Tapestry context, you can use on of the ready-to-use integrations, e.g. http://www.tynamo.org/tapestry-resteasy+guide/ Alternatively, if you need to call a Tapestry page/component and potentially render some markup in response you can generate an event link from the page/component and pass it to JS via the initialiser, for example, in your page/component class: @Inject ComponentResources componentResources; public void afterRender() { JSONObject json = new JSONObject() .put("myEventURL", componentResources.createEventLink("myEvent").toRedirectURI()); // this will invoke a client-side function with arguments javaScriptSupport.require("myJSModule").invoke("myInit").with(json); } @OnEvent("myEvent") public void onMyEvent() { // TODO Handle event on the server-side } and then create META-INF/modules/myJSModule.js and put the following code to receive the call on client-side: (function () { // you can define module dependencies if you need them define(["t5/core/ajax"], function (ajax) { function init(spec) { // read argument here, and when needed use the URL to call it with `ajax` alert(spec.myEventURL); } return { init: init }; }); })(); On Fri, Oct 9, 2020 at 8:51 AM Hristo Stoyanov <aironhi...@yahoo.com.invalid> wrote: > Hello everyone! > > I have been brought onboard to an Tapestry project(never heard of it > before) and I would like to create a 'communication channel' between the > tapestry and an iframe(displaying Angular application). > > Both projects are on the same domain and the Angular app inside the iframe > works as expected, but I would like to send data to the Angular project and > vice versa. > > I found out that you can communicate between parent window and iframe by > using cross-document messaging ( > https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage) > > My question is: > How could I possibly make an event listener inside Java? The javascript > for doing so should look something like this > "window.document.addEventListener("myEvent", 'JS function to handle', > false);" > And also how to actually call a method inside Java from the JavaScript > code. > > I asked here and there and nobody was able to help me with that so far... > I will be very thankful if you can help me with that. > > There is a small image that can helpfully help you understand my idea: > [image: Inline image] > > Thank you in advance! > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > For additional commands, e-mail: users-h...@tapestry.apache.org -- Dmitry Gusev AnjLab Team http://anjlab.com
