forked from mbk-lab/rui_orig
2
0
Fork 0
rui/demo/filePickerDemo.go

54 lines
1.3 KiB
Go

package main
import (
"github.com/anoshenko/rui"
)
const filePickerDemoText = `
GridLayout {
width = 100%, height = 100%, cell-height = "auto, 1fr", cell-width = "1fr, auto",
content = [
FilePicker {
id = filePicker, accept = "txt, html"
},
Button {
id = fileDownload, row = 0, column = 1, content = "Download file", disabled = true,
}
EditView {
id = selectedFileData, row = 1, column = 0:1, type = multiline, read-only = true, wrap = true,
}
]
}
`
var downloadedFile []byte = nil
var downloadedFilename = ""
func createFilePickerDemo(session rui.Session) rui.View {
view := rui.CreateViewFromText(session, filePickerDemoText)
if view == nil {
return nil
}
rui.Set(view, "filePicker", rui.FileSelectedEvent, func(picker rui.FilePicker, files []rui.FileInfo) {
if len(files) > 0 {
picker.LoadFile(files[0], func(file rui.FileInfo, data []byte) {
if data != nil {
downloadedFile = data
downloadedFilename = files[0].Name
rui.Set(view, "selectedFileData", rui.Text, string(data))
rui.Set(view, "fileDownload", rui.Disabled, false)
} else {
rui.Set(view, "selectedFileData", rui.Text, rui.LastError())
}
})
}
})
rui.Set(view, "fileDownload", rui.ClickEvent, func() {
view.Session().DownloadFileData(downloadedFilename, downloadedFile)
})
return view
}