/
fileitem.go
118 lines (95 loc) · 2.38 KB
/
fileitem.go
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package dialog
import (
"image/color"
"path/filepath"
"fyne.io/fyne"
"fyne.io/fyne/canvas"
"fyne.io/fyne/storage"
"fyne.io/fyne/theme"
"fyne.io/fyne/widget"
)
const (
fileIconSize = 64
fileTextSize = 24
fileIconCellWidth = fileIconSize * 1.25
)
type fileDialogItem struct {
widget.BaseWidget
picker *fileDialog
isCurrent bool
icon fyne.CanvasObject
name string
path string
dir bool
}
func (i *fileDialogItem) Tapped(_ *fyne.PointEvent) {
i.picker.setSelected(i)
i.Refresh()
}
func (i *fileDialogItem) TappedSecondary(_ *fyne.PointEvent) {
}
func (i *fileDialogItem) CreateRenderer() fyne.WidgetRenderer {
text := widget.NewLabelWithStyle(i.name, fyne.TextAlignCenter, fyne.TextStyle{})
text.Wrapping = fyne.TextTruncate
return &fileItemRenderer{item: i,
img: i.icon, text: text, objects: []fyne.CanvasObject{i.icon, text}}
}
func fileName(path string) (name string) {
name = filepath.Base(path)
ext := filepath.Ext(path)
name = name[:len(name)-len(ext)]
return
}
func (i *fileDialogItem) isDirectory() bool {
return i.dir
}
func (f *fileDialog) newFileItem(path string, dir bool) *fileDialogItem {
var icon fyne.CanvasObject
var name string
if dir {
icon = canvas.NewImageFromResource(theme.FolderIcon())
name = filepath.Base(path)
} else {
icon = NewFileIcon(storage.NewURI("file://" + path))
name = fileName(path)
}
ret := &fileDialogItem{
picker: f,
icon: icon,
name: name,
path: path,
dir: dir,
}
ret.ExtendBaseWidget(ret)
return ret
}
type fileItemRenderer struct {
item *fileDialogItem
img fyne.CanvasObject
text *widget.Label
objects []fyne.CanvasObject
}
func (s fileItemRenderer) Layout(size fyne.Size) {
iconAlign := (size.Width - fileIconSize) / 2
s.img.Resize(fyne.NewSize(fileIconSize, fileIconSize))
s.img.Move(fyne.NewPos(iconAlign, 0))
s.text.Resize(fyne.NewSize(size.Width, fileTextSize))
s.text.Move(fyne.NewPos(0, fileIconSize+theme.Padding()))
}
func (s fileItemRenderer) MinSize() fyne.Size {
return fyne.NewSize(fileIconSize, fileIconSize+fileTextSize+theme.Padding())
}
func (s fileItemRenderer) Refresh() {
canvas.Refresh(s.item)
}
func (s fileItemRenderer) BackgroundColor() color.Color {
if s.item.isCurrent {
return theme.PrimaryColor()
}
return theme.BackgroundColor()
}
func (s fileItemRenderer) Objects() []fyne.CanvasObject {
return s.objects
}
func (s fileItemRenderer) Destroy() {
}