permafrost/remove.go

99 lines
2.5 KiB
Go
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2021-05-29 06:00:17 +00:00
package main
import (
"fmt"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/container"
"fyne.io/fyne/v2/dialog"
"fyne.io/fyne/v2/widget"
"os"
"path/filepath"
)
var rmBtns *fyne.Container
func removeTab(window fyne.Window) *fyne.Container {
// Use home directory to get various paths
configDir := filepath.Join(home, ".config", name)
iconDir := filepath.Join(configDir, "icons")
// Create directories if they do not exist
err := makeDirs(configDir, iconDir)
if err != nil {
errDisp(true, err, "Error creating required directories", window)
}
// Create new wrapping grid for remove buttons
rmBtns = container.NewGridWrap(fyne.NewSize(125, 75))
// Refresh remove buttons, adding any existing SSBs
refreshRmBtns(window, iconDir, rmBtns)
return rmBtns
}
func refreshRmBtns(window fyne.Window, iconDir string, rmBtns *fyne.Container) {
// Remove all objects from container
rmBtns.Objects = []fyne.CanvasObject{}
// List files in icon directory
ls, err := os.ReadDir(iconDir)
if err != nil {
errDisp(true, err, "Error listing icon directory", window)
}
for _, listing := range ls {
listingName := listing.Name()
// Get path for SSB icon
listingPath := filepath.Join(iconDir, listingName)
// Load icon from path
img, err := fyne.LoadResourceFromPath(filepath.Join(listingPath, "icon.png"))
if err != nil {
errDisp(true, err, "Error loading icon as resource", window)
}
// Create new button with icon
rmBtn := widget.NewButtonWithIcon(listingName, img, func() {
// Create and show new confirmation dialog
dialog.NewConfirm(
"Remove SSB",
fmt.Sprintf("Are you sure you want to remove %s?", listingName),
func(ok bool) {
if ok {
// Attempt to remove SSB
err = removeSSB(listingName)
if err != nil {
errDisp(true, err, "Error removing SSB", window)
}
refreshRmBtns(window, iconDir, rmBtns)
}
},
window,
).Show()
})
// Add button to container
rmBtns.Objects = append(rmBtns.Objects, rmBtn)
}
// Refresh container (update changes)
rmBtns.Refresh()
}
func removeSSB(ssbName string) error {
// Use home directory to get various paths
configDir := filepath.Join(home, ".config", name)
iconDir := filepath.Join(configDir, "icons", ssbName)
desktopDir := filepath.Join(home, ".local", "share", "applications")
// Remove icon directory
err := os.RemoveAll(iconDir)
if err != nil {
return err
}
// Remove desktop file
err = os.Remove(filepath.Join(desktopDir, ssbName+".desktop"))
if err != nil {
return err
}
return nil
}