Syndie_GUI/gui.go

package main

import (
	"io/ioutil"
	"log"
	"os"

	"fyne.io/fyne"
	"fyne.io/fyne/app"
	"fyne.io/fyne/dialog"
	"fyne.io/fyne/layout"
	"fyne.io/fyne/widget"
	"github.com/kpetku/syndie-core/fetcher"
)

type GUI struct {
	db     *database
	window fyne.Window

	channelPane     *widget.Box
	threadPane      *widget.Box
	contentPane     *widget.Box
	channelList     *widget.ScrollContainer
	messageList     *widget.ScrollContainer
	contentArea     *widget.ScrollContainer
	selectedChannel string
	selectedMessage int
}

func NewGUI() *GUI {
	return new(GUI)
}

func (client *GUI) Start(path string) {
	client.db = NewDatabase()
	client.db.openDB(path)
	client.db.reload()

	a := app.New()

	client.window = a.NewWindow("Syndie GUI")
	client.loadMainMenu()

	client.repaint()
	client.window.Resize(fyne.NewSize(800, 600))
	client.window.ShowAndRun()
}

func (client *GUI) repaint() {
	client.channelList = widget.NewVScrollContainer(client.renderChannelList())
	client.messageList = widget.NewVScrollContainer(client.renderThreadList())
	client.contentArea = widget.NewVScrollContainer(client.renderContentArea())
	client.window.SetContent(fyne.NewContainerWithLayout(layout.NewGridLayout(3), client.channelList, client.messageList, client.contentArea))
}

func (client *GUI) loadMainMenu() {
	main := fyne.NewMenu("File",
		fyne.NewMenuItem("Fetch", func() {
			client.fetchFromArchiveServer()
			client.repaint()
		}),
	)
	client.window.SetMainMenu(fyne.NewMainMenu(main))
}

func (client *GUI) fetchFromArchiveServer() {
	content := widget.NewLabel("Press Fetch to sync from http://localhost:8080/")
	dialog.NewCustomConfirm("Fetch", "Fetch", "Cancel", content, client.fetch, client.window)
}

func (client *GUI) fetch(fetch bool) {
	dir, err := ioutil.TempDir("", "syndie")
	if err != nil {
		log.Fatalf("Unable to create a temporary directory: %s", err)
	}
	defer os.RemoveAll(dir)
	if fetch {
		f := fetcher.New("http://localhost:8080/", dir, 60, 50)
		f.RemoteFetch()
		client.db.reload()
	}
}