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main.go
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main.go
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package main
import (
"bytes"
"fmt"
"geoweaver-systray/utils"
"github.com/getlantern/systray"
"image/png"
"os"
)
var serverStarted bool = false
func main() {
systray.Run(onReady, onExit)
}
func loadImageAsByteSlice(filePath string) ([]byte, error) {
// Open the file specified by the filePath
file, err := os.Open(filePath)
if err != nil {
return nil, fmt.Errorf("error opening file: %w", err)
}
defer file.Close()
// Decode the PNG image
img, err := png.Decode(file)
if err != nil {
return nil, fmt.Errorf("error decoding PNG: %w", err)
}
// Encode the image to PNG format and store it in a byte buffer
var buffer bytes.Buffer
err = png.Encode(&buffer, img)
if err != nil {
return nil, fmt.Errorf("error encoding PNG to byte slice: %w", err)
}
// Return the bytes of the encoded image
return buffer.Bytes(), nil
}
func onReady() {
// Load Geoweaver logo
geoweaverLogo, err := loadImageAsByteSlice("./icon/geoweaver.png")
if err != nil {
return
}
systray.SetIcon(geoweaverLogo)
systray.SetTooltip("Geoweaver App for Workflow Management")
startServer := systray.AddMenuItem("Start Server", "Start Geoweaver server on the background")
openBrowser := systray.AddMenuItem("Open Browser", "Open geoweaver on your default browser")
restartServer := systray.AddMenuItem("Restart Server", "Restart Geoweaver server on the background")
systray.AddSeparator()
quitMenu := systray.AddMenuItem("Quit", "Quit the whole app")
// Sets the icon of a menu item. Only available on Mac and Windows.
browserIcon, err := loadImageAsByteSlice("./icon/browser.png")
if err != nil {
return
}
openBrowser.SetIcon(browserIcon)
restartServerIcon, err := loadImageAsByteSlice("./icon/restart.png")
if err != nil {
return
}
restartServer.SetIcon(restartServerIcon)
startServerIcon, err := loadImageAsByteSlice("./icon/start-server.png")
if err != nil {
return
}
startServer.SetIcon(startServerIcon)
quitIcon, err := loadImageAsByteSlice("./icon/close.png")
if err != nil {
return
}
quitMenu.SetIcon(quitIcon)
// handle quit
go func() {
<-quitMenu.ClickedCh
fmt.Print("Requesting quit")
_ = utils.KillGeoweaverProcesses() // no need to handle error here since the process may not be running
systray.Quit()
}()
go func() {
for {
<-startServer.ClickedCh
fmt.Print(startServer, serverStarted)
if serverStarted {
startServer.SetTitle("Start server")
serverStarted = false
} else {
startServer.SetTitle("Stop server")
serverStarted = true
homeDir, _ := os.UserHomeDir()
err := utils.DownloadFile(utils.GEOWEAVER_JAR_URL, homeDir)
if err != nil {
panic("Unable to download file")
}
}
}
}()
}
func onExit() {
// clean up here
}