98 lines
2.6 KiB
TypeScript
98 lines
2.6 KiB
TypeScript
//% shim=pxt::listPrjFiles
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function getPrjs() {
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let programs = [
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"pxt",
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"my amazing robot",
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]
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for (let i = 1; i < 6; ++i)
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programs.push("Untitled-" + i)
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return programs
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}
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//% shim=pxt::deletePrjFile
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function delPrj(fn: string) {
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return
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}
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const programs = getPrjs()
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.filter(s => s.substr(s.length - 4, 4) == ".rbf")
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.map(s => s.substr(0, s.length - 4))
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.filter(s => s != "File_manager")
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programs.push("")
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programs.push("Cancel")
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programs.push("Delete 0 files")
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let todel: boolean[] = []
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let scrollTop = 0
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let cursor = 0
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let confirm = false
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function showMenu() {
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if (cursor < scrollTop + 2)
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scrollTop = cursor - 2
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else if (cursor > scrollTop + 11)
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scrollTop = cursor - 11
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if (scrollTop < 0)
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scrollTop = 0
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let num = 0
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for (let i = 0; i < todel.length; ++i)
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if (todel[i]) num++
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programs[programs.length - 1] =
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confirm ? "Enter to confirm" : "Delete " + num + " file(s)"
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brick.clearScreen()
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const h = brick.lineHeight()
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for (let i = 0; i < 13; ++i) {
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const y = i * h
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const idx = scrollTop + i
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const fg = idx == cursor ? 0 : 1
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const bg = idx == cursor ? 1 : 0
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// screen.fillRect(0, y, screen.width, h, bg);
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let text = (idx == cursor ? ">" : " ")
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+ (todel[idx] ? "*" : " ")
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+ " "
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+ (programs[scrollTop + i] || "")
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screen.print(text, 0, y, fg, brick.font);
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}
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}
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function move(d: number) {
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confirm = false
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const nc = cursor + d
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if (0 <= nc && nc < programs.length)
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cursor = nc
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showMenu()
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}
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brick.buttonDown.onEvent(ButtonEvent.Pressed, () => move(1))
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brick.buttonUp.onEvent(ButtonEvent.Pressed, () => move(-1))
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brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
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if (cursor < programs.length - 3) {
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todel[cursor] = !todel[cursor]
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move(1)
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} else if (cursor == programs.length - 3) {
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// nothing
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} else if (cursor == programs.length - 2) {
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control.reset()
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} else if (cursor == programs.length - 1) {
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if (todel.every(x => !x))
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return
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if (confirm) {
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brick.clearScreen()
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brick.showString("deleting...", 6)
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for (let i = 0; i < todel.length; ++i) {
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if (todel[i]) {
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delPrj(programs[i] + ".elf")
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delPrj(programs[i] + ".rbf")
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}
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}
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pause(1000)
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control.reset()
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} else {
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confirm = true
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showMenu()
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}
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}
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})
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showMenu()
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