bulpherjs/examples/helloworld/main.go

76 lines
2.1 KiB
Go

package main
import (
"github.com/gopherjs/gopherjs/js"
"go.dev.pztrn.name/bulpherjs/common"
"go.dev.pztrn.name/bulpherjs/elements"
)
func main() {
document := js.Global.Get("document")
document.Call("addEventListener", "DOMContentLoaded", func(event *js.Object) {
js.Global.Get("console").Call("log", "Hello world!")
constructHeader()
constructBody()
})
}
func constructBody() {
mainSection := elements.NewSection(nil)
mainDiv := elements.NewDiv(&elements.DivOptions{
Class: "container",
ID: "mainContainer",
})
mainSection.AddChild(mainDiv)
// Columns divs.
columnsDiv := elements.NewDiv(&elements.DivOptions{
Class: "columns",
ID: "mainColumns",
})
mainDiv.AddChild(columnsDiv)
// Click-Me button should be in the middle of screen.
centerDiv := elements.NewDiv(&elements.DivOptions{
Class: "column is-half is-offset-two-fifths",
})
columnsDiv.AddChild(centerDiv)
startTestButton := elements.NewButton(&elements.ButtonOptions{
Class: "is-large is-rounded is-primary",
ID: "main_button",
Text: "Click Me!",
OnClickHandler: func(e *js.Object) {
common.Log("Button clicked! Hooray")
js.Global.Get(common.HTMLElementDocument).Call("getElementById", "main_button").Set("textContent", "Clicked!")
},
})
centerDiv.AddChild(startTestButton)
js.Global.Get(common.HTMLElementDocument).
Get(common.HTMLElementBody).
Call(common.JSCallAppendChild, mainSection.Build())
}
func constructHeader() {
link := elements.NewLink(&elements.LinkOptions{
Href: "//cdn.jsdelivr.net/npm/bulma@0.8.0/css/bulma.min.css",
ID: "",
Rel: "stylesheet",
})
js.Global.Get(common.HTMLElementDocument).Get(common.HTMLElementHead).Call(common.JSCallAppendChild, link.Build())
metaViewport := elements.NewMeta(&elements.MetaOptions{
Content: "width=device-width, initial-scale=1",
Name: "viewport",
})
js.Global.Get(common.HTMLElementDocument).Get(common.HTMLElementHead).Call(common.JSCallAppendChild, metaViewport.Build())
js.Global.Get(common.HTMLElementDocument).Set(common.HTMLHeadElementTitle, "BulpherJS Hello World application")
}