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Add child to parent event sample
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‎projects/hydro/README.md‎

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* [Hello World](hello-world)
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This sample introduces the usage of a Hydro component.
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This sample introduces the usage of a Hydro component.
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* [Child to Parent Event](event-child-parent)
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This sample introduces the usage of dispatching event from child to parent component.

‎projects/hydro/event-child-parent/.vscode/settings.json‎

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{
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"workbench.colorCustomizations": {
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"activityBar.activeBackground": "#9a3acf",
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"activityBar.background": "#9a3acf",
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"activityBar.foreground": "#e7e7e7",
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"activityBar.inactiveForeground": "#e7e7e799",
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"activityBarBadge.background": "#4d3813",
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"activityBarBadge.foreground": "#e7e7e7",
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"commandCenter.border": "#e7e7e799",
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"sash.hoverBorder": "#9a3acf",
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"statusBar.background": "#7e2aac",
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"statusBar.debuggingBackground": "#58ac2a",
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"statusBar.debuggingForeground": "#15202b",
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"statusBar.foreground": "#e7e7e7",
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"statusBarItem.hoverBackground": "#9a3acf",
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"statusBarItem.remoteBackground": "#7e2aac",
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"statusBarItem.remoteForeground": "#e7e7e7",
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"titleBar.activeBackground": "#7e2aac",
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"titleBar.activeForeground": "#e7e7e7",
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"titleBar.inactiveBackground": "#7e2aac99",
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"titleBar.inactiveForeground": "#e7e7e799"
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},
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"peacock.color": "#7e2aac"
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}

‎projects/hydro/event-child-parent/Pages/Components/Message.cshtml‎

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@model Events.Pages.Components.Message
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<div>
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<h1>@Model.Text</h1>
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<message-button/>
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</div>

‎projects/hydro/event-child-parent/Pages/Components/Message.cshtml.cs‎

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using Hydro;
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namespace Events.Pages.Components;
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public class Message : HydroComponent
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{
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public string Text { get; set; }
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public Message()
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{
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Subscribe<MessageChangedEvent>(e => Text = e.Message);
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}
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}
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‎projects/hydro/event-child-parent/Pages/Components/MessageButton.cshtml‎

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@model Events.Pages.Components.MessageButton
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<div>
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<button on:click="@(() => Model.Show("This greeting comes from MessageButton component"))">Show</button>
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</div>
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‎projects/hydro/event-child-parent/Pages/Components/MessageButton.cshtml.cs‎

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using Hydro;
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namespace Events.Pages.Components;
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public class MessageButton : HydroComponent
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{
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public void Show(string text)
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{
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Dispatch(new MessageChangedEvent(text));
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}
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}

‎projects/hydro/event-child-parent/Pages/Components/MessageChangedEvent.cs‎

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namespace Events.Pages.Components;
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public record MessageChangedEvent(string Message);

‎projects/hydro/event-child-parent/Pages/Index.cshtml‎

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@page "/"
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@using Hydro
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@{
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Layout = "/Pages/Shared/_Layout.cshtml";
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}
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<message></message>
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‎projects/hydro/event-child-parent/Pages/Shared/_Layout.cshtml‎

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<html>
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<head>
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<meta name="hydro-config" />
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<script defer src="~/hydro/hydro.js" asp-append-version="true"></script>
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<script defer src="~/hydro/alpine.js" asp-append-version="true"></script>
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</head>
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<body>
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@RenderBody()
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<script src="/_framework/aspnetcore-browser-refresh.js"></script>
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</body>
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</html>

‎projects/hydro/event-child-parent/Pages/_ViewImports.cshtml‎

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@addTagHelper *, Hydro
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@addTagHelper *, Events
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@using Events.Pages.Components

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