Add sources for the file manager program (#944)

This commit is contained in:
Michał Moskal 2019-10-09 13:57:06 -07:00 committed by Peli de Halleux
parent e0c8f65a65
commit cb6c83eec7
2 changed files with 135 additions and 1 deletions

View File

@ -120,7 +120,7 @@ void stopLMS() {
if (!pid) if (!pid)
continue; continue;
char namebuf[100]; char namebuf[100];
snprintf(namebuf, 1000, "/proc/%d/cmdline", pid); snprintf(namebuf, 100, "/proc/%d/cmdline", pid);
FILE *f = fopen(namebuf, "r"); FILE *f = fopen(namebuf, "r");
if (f) { if (f) {
fread(namebuf, 1, 99, f); fread(namebuf, 1, 99, f);
@ -195,5 +195,42 @@ void target_startup() {
void initKeys() {} void initKeys() {}
static const char *progPath = "/mnt/ramdisk/prjs/BrkProg_SAVE";
// These are disabled except when building File_manager.pdf
// %
void deletePrjFile(String filename) {
const char *d = filename->getUTF8Data();
if (strlen(d) > 500 || strchr(d, '/'))
return;
char buf[1024];
snprintf(buf, sizeof(buf), "%s/%s", progPath, d);
unlink(buf);
}
// %
RefCollection *listPrjFiles() {
auto res = Array_::mk();
registerGCObj(res);
auto dp = opendir(progPath);
for (;;) {
dirent *ep = dp ? readdir(dp) : NULL;
if (!ep)
break;
if (ep->d_name[0] == '.')
continue;
auto str = mkString(ep->d_name, -1);
registerGCObj(str);
res->head.push((TValue)str);
unregisterGCObj(str);
}
if (dp)
closedir(dp);
unregisterGCObj(res);
return res;
}
} }

97
scripts/file_manager.ts Normal file
View File

@ -0,0 +1,97 @@
//% shim=pxt::listPrjFiles
function getPrjs() {
let programs = [
"pxt",
"my amazing robot",
]
for (let i = 1; i < 6; ++i)
programs.push("Untitled-" + i)
return programs
}
//% shim=pxt::deletePrjFile
function delPrj(fn: string) {
return
}
const programs = getPrjs()
.filter(s => s.substr(s.length - 4, 4) == ".rbf")
.map(s => s.substr(0, s.length - 4))
.filter(s => s != "File_manager")
programs.push("")
programs.push("Cancel")
programs.push("Delete 0 files")
let todel: boolean[] = []
let scrollTop = 0
let cursor = 0
let confirm = false
function showMenu() {
if (cursor < scrollTop + 2)
scrollTop = cursor - 2
else if (cursor > scrollTop + 11)
scrollTop = cursor - 11
if (scrollTop < 0)
scrollTop = 0
let num = 0
for (let i = 0; i < todel.length; ++i)
if (todel[i]) num++
programs[programs.length - 1] =
confirm ? "Enter to confirm" : "Delete " + num + " file(s)"
brick.clearScreen()
const h = brick.lineHeight()
for (let i = 0; i < 13; ++i) {
const y = i * h
const idx = scrollTop + i
const fg = idx == cursor ? 0 : 1
const bg = idx == cursor ? 1 : 0
// screen.fillRect(0, y, screen.width, h, bg);
let text = (idx == cursor ? ">" : " ")
+ (todel[idx] ? "*" : " ")
+ " "
+ (programs[scrollTop + i] || "")
screen.print(text, 0, y, fg, brick.font);
}
}
function move(d: number) {
confirm = false
const nc = cursor + d
if (0 <= nc && nc < programs.length)
cursor = nc
showMenu()
}
brick.buttonDown.onEvent(ButtonEvent.Pressed, () => move(1))
brick.buttonUp.onEvent(ButtonEvent.Pressed, () => move(-1))
brick.buttonEnter.onEvent(ButtonEvent.Pressed, function () {
if (cursor < programs.length - 3) {
todel[cursor] = !todel[cursor]
move(1)
} else if (cursor == programs.length - 3) {
// nothing
} else if (cursor == programs.length - 2) {
control.reset()
} else if (cursor == programs.length - 1) {
if (todel.every(x => !x))
return
if (confirm) {
brick.clearScreen()
brick.showString("deleting...", 6)
for (let i = 0; i < todel.length; ++i) {
if (todel[i]) {
delPrj(programs[i] + ".elf")
delPrj(programs[i] + ".rbf")
}
}
pause(1000)
control.reset()
} else {
confirm = true
showMenu()
}
}
})
showMenu()