Break the fileChooser loop on any return from tree.getcmd() other than true or false.

xtrn/ansiview/ansiview.js

-// ansiview.js by echicken -at- bbs.electronicchicken.com
-load("sbbsdefs.js");load("tree.js");load("frame.js");
-// Configuration variables:
var ansiRoot = js.exec_dir + "library/"; // The location of your ANSI library, eg. "/dev/magicalansigenerator/"
var disallowedFiles = ["PASSWD", "USER.DAT", "*.COM", "*.EXE", "*.GIF", "*.JPG", "*.MP3", "*.PNG", "*.RAR"]; // Files matching these patterns will not be shown in directory listings
var slow = .033;	// Seconds between printed characters, slow speed
var medium = .0033;	// Seconds between printed characters, medium speed
var fast = .00033;	// Seconds between printed characters, fast speed
var ansiDelay = medium; // Default output speed as one of slow, medium, or fast
// End of configuration variables
-var lastPrint = system.timer;var curDir = ansiRoot;var parentDir = ansiRoot;var choice;var userInput;var treeCmd;var disp;
-function getInput(slideshow, ansiName) {
-	var retval = 1;
	userInput = ascii(console.inkey(K_NOECHO).toUpperCase());
-	if(userInput == 0) return retval;
	if(userInput == 32) {
-		console.saveline();
		console.clearline();
-		if(slideshow) {
			console.putmsg(ascii(27) + "[1;37;40m[\1h\1c" + ansiName.substr(0, 18) + "\1w] Q\1cuit\1w, <\1cSpace\1w> \1cfor more\1w, S\1clow\1w, M\1cedium\1w, F\1cast\1w, P\1crevious\1w, N\1cext");
		} else {
			console.putmsg(ascii(27) + "[1;37;40m[\1h\1c" + ansiName.substr(0, 34) + "\1w] Q\1cuit\1w, <\1cSpace\1w> \1cfor more\1w, S\1clow\1w, M\1cedium\1w, F\1cast");
		}
-		var userInput = ascii(console.getkey(K_NOECHO).toUpperCase());
		console.clearline();
		console.restoreline();
	}
-	switch(userInput) {
-		case 70:
			ansiDelay = fast;
			break;
		case 77:
			ansiDelay = medium;
			break;
		case 83:
			ansiDelay = slow;
			break;
		case 81:
			retval = 0;
			break;
		case 78:
			if(slideshow) retval = 2;
			break;
		case 80:
			if(slideshow) retval = 3;
			break;
	}
	return retval;}
-function printAnsi(ansi, slideshow, ansiName) {
-	var retval = 1;
	console.clear(LIGHTGRAY);
	forLoop:
	for(var a = 0; a < ansi.length; a++) {
		console.putmsg(ansi[a]);
		console.line_counter = 0;
		while(system.timer - lastPrint < ansiDelay) {
			retval = getInput(slideshow, ansiName);
			if(retval != 1) break forLoop;
		}
		lastPrint = system.timer;
	}
	if(retval == 1) {
		console.print("\1h\1w[\1c" + ansiName + " \1w - \1c Press any key to continue\1w]");
		console.getkey(K_NOECHO|K_NOCRLF);
	}
	return retval;}
-function fileChooser() {
	console.clear(LIGHTGRAY);
	var f = new File(js.exec_dir + "ansiview.ans");
	f.open("r");
	var g = f.read();
	f.close();
	console.putmsg(g);
	console.gotoxy(3, 4);
	console.putmsg(ascii(27) + "[1;37;40mpath: " + curDir.replace(ansiRoot, "/"));
	var dirList = directory(curDir + "*.*");
	var frame = new Frame(2,6,76,15)
	var tree = new Tree(frame);
	tree.colors.lfg = WHITE; // The lightbar foreground colour, see sbbsdefs.js for valid values
	tree.colors.lbg = BG_CYAN; // The lightbar background colour, see sbbsdefs.js for valid values
	if(curDir != ansiRoot) 
		tree.addItem("[..]", parentDir);
	for(var d = 0; d < dirList.length; d++) {
		if(checkFile(dirList[d])) 
			continue;
		disp = dirList[d].split("/");
		if(file_isdir(dirList[d])) {
			disp = disp[disp.length - 2];
			disp = "[" + disp + "]";
		} else {
			disp = disp[disp.length - 1];
		}
		tree.addItem(disp, dirList[d]);
	}
	frame.open();
	tree.open();
	while(!js.terminated) {
		frame.cycle();
		userInput = console.inkey(K_NOECHO, 5).toUpperCase();
		if(userInput == "") 
			continue;
		if(userInput == "Q" || userInput == "S" || userInput == "H") 
			break;
		userInput = tree.getcmd(userInput);
		console.line_counter = 0;
		if(userInput != false) 
			break;
	}
	return userInput;
}

function loadAnsiFile(ansi) {
	var f = new File(ansi);
	if(f.exists) f.open("r");
	if(!f.is_open) return;
	var ansiFileContents = f.read();
	f.close();
	return ansiFileContents;
}

function checkFile(str) {
	if(file_isdir(str)) {
		var matchMe = str.split("/");
		matchMe = matchMe[matchMe.length - 2];
	} else {
		matchMe = file_getname(str);
	}
	for(var f = 0; f < disallowedFiles.length; f++) 
		if(wildmatch(false, matchMe, disallowedFiles[f])) 
			return true;
	return false;
}
-function slideshow() {
	var dirList = directory(curDir + "*.*");
	var retval;
	ssForLoop:
	for(var d = 0; d< dirList.length; d++) {
		if(!file_isdir(dirList[d]) && !checkFile(dirList[d]) && !wildmatch(false, file_getname(dirList[d]), "*.ZIP")) retval = printAnsi(loadAnsiFile(dirList[d]), true, file_getname(dirList[d]));
		switch(retval) {
			case 0:
				break ssForLoop;
			case 3:
				d = d - 2;
				if(d < -1) d = -1;
				break;
			default:
				break;
		}
	}}
-function helpScreen() {
	console.clear(LIGHTGRAY);
	var f = new File(js.exec_dir + "help.ans");
	f.open("r");
	var g = f.read();
	f.close();
	console.putmsg(g);
	while(console.getkey(K_NOECHO).toUpperCase() != "Q") { }}
-while(!js.terminated) {
	var choice = fileChooser();
	console.line_counter = 0;
	if(file_isdir(choice)) {
		if(choice.length > curDir.length) {
			parentDir = curDir;
		} else if(parentDir != ansiRoot && parentDir.length > ansiRoot.length) {
			parentDir = curDir.split("/");
			parentDir = parentDir.slice(0, parentDir.length - 3).join("/") + "/";
		} else {
			parentDir = ansiRoot;
		}
		curDir = choice;
	} else if(choice == "Q") {
		exit();
	} else if(choice == "S") {
		slideshow();
	} else if(choice == "H") {
		helpScreen();
	} else if(file_getext(choice).toUpperCase() == ".ZIP") {
		destDir = curDir + file_getname(choice).toUpperCase().replace(".ZIP", "") + "/";
		parentDir = curDir;
		curDir = destDir;
		if(file_isdir(destDir)) 
			continue;
		bbs.exec(system.exec_dir + "unzip -s -o -qq -d" + destDir + " " + choice);
	} else {
		var ansi = loadAnsiFile(choice);
		printAnsi(ansi, false, file_getname(choice));
	}}
+// ansiview.js by echicken -at- bbs.electronicchicken.com
+
+load("sbbsdefs.js");
+load("tree.js");
+load("frame.js");
+
+// Configuration variables:
+var ansiRoot = js.exec_dir + "library/"; // The location of your ANSI library, eg. "/dev/magicalansigenerator/"
+var disallowedFiles = ["PASSWD", "USER.DAT", "*.COM", "*.EXE", "*.GIF", "*.JPG", "*.MP3", "*.PNG", "*.RAR"]; // Files matching these patterns will not be shown in directory listings
+var slow = .033;	// Seconds between printed characters, slow speed
+var medium = .0033;	// Seconds between printed characters, medium speed
+var fast = .00033;	// Seconds between printed characters, fast speed
+var ansiDelay = medium; // Default output speed as one of slow, medium, or fast
+// End of configuration variables
+
+var lastPrint = system.timer;
+var curDir = ansiRoot;
+var parentDir = ansiRoot;
\ No newline at end of file
+var choice;
+var userInput;
+var treeCmd;
+var disp;
+
+function getInput(slideshow, ansiName) {
+	var retval = 1;
+	userInput = ascii(console.inkey(K_NOECHO).toUpperCase());
+	if(userInput == 0) return retval;
+	if(userInput == 32) {
+		console.saveline();
+		console.clearline();
+		if(slideshow) {
+			console.putmsg(ascii(27) + "[1;37;40m[\1h\1c" + ansiName.substr(0, 18) + "\1w] Q\1cuit\1w, <\1cSpace\1w> \1cfor more\1w, S\1clow\1w, M\1cedium\1w, F\1cast\1w, P\1crevious\1w, N\1cext");
+		} else {
+			console.putmsg(ascii(27) + "[1;37;40m[\1h\1c" + ansiName.substr(0, 34) + "\1w] Q\1cuit\1w, <\1cSpace\1w> \1cfor more\1w, S\1clow\1w, M\1cedium\1w, F\1cast");
+		}
+		var userInput = ascii(console.getkey(K_NOECHO).toUpperCase());
+		console.clearline();
+		console.restoreline();
+	}
+	switch(userInput) {
+		case 70:
+			ansiDelay = fast;
+			break;
+		case 77:
+			ansiDelay = medium;
+			break;
+		case 83:
+			ansiDelay = slow;
+			break;
+		case 81:
+			retval = 0;
+			break;
+		case 78:
+			if(slideshow) retval = 2;
+			break;
+		case 80:
+			if(slideshow) retval = 3;
+			break;
+	}
+	return retval;
+}
+
+function printAnsi(ansi, slideshow, ansiName) {
+	var retval = 1;
+	console.clear(LIGHTGRAY);
+	forLoop:
+	for(var a = 0; a < ansi.length; a++) {
+		console.putmsg(ansi[a]);
+		console.line_counter = 0;
+		while(system.timer - lastPrint < ansiDelay) {
+			retval = getInput(slideshow, ansiName);
+			if(retval != 1) break forLoop;
+		}
+		lastPrint = system.timer;
+	}
+	if(retval == 1) {
+		console.print("\1h\1w[\1c" + ansiName + " \1w - \1c Press any key to continue\1w]");
+		console.getkey(K_NOECHO|K_NOCRLF);
+	}
+	return retval;
+}
+
+function fileChooser() {
+	console.clear(LIGHTGRAY);
+	var f = new File(js.exec_dir + "ansiview.ans");
+	f.open("r");
+	var g = f.read();
+	f.close();
+	console.putmsg(g);
+	console.gotoxy(3, 4);
+	console.putmsg(ascii(27) + "[1;37;40mpath: " + curDir.replace(ansiRoot, "/"));
+	var dirList = directory(curDir + "*.*");
+	var frame = new Frame(2,6,76,15)
+	var tree = new Tree(frame);
+	tree.colors.lfg = WHITE; // The lightbar foreground colour, see sbbsdefs.js for valid values
+	tree.colors.lbg = BG_CYAN; // The lightbar background colour, see sbbsdefs.js for valid values
+	if(curDir != ansiRoot) 
+		tree.addItem("[..]", parentDir);
+	for(var d = 0; d < dirList.length; d++) {
+		if(checkFile(dirList[d])) 
+			continue;
+		disp = dirList[d].split("/");
+		if(file_isdir(dirList[d])) {
+			disp = disp[disp.length - 2];
+			disp = "[" + disp + "]";
+		} else {
+			disp = disp[disp.length - 1];
+		}
+		tree.addItem(disp, dirList[d]);
+	}
+	frame.open();
+	tree.open();
+	while(!js.terminated) {
+		frame.cycle();
+		userInput = console.inkey(K_NOECHO, 5).toUpperCase();
+		if(userInput == "") 
+			continue;
+		if(userInput == "Q" || userInput == "S" || userInput == "H") 
+			break;
+		userInput = tree.getcmd(userInput);
+		console.line_counter = 0;
+		if(userInput !== true && userInput !== false) 
+			break;
+	}
+	return userInput;
+}
+
+function loadAnsiFile(ansi) {
+	var f = new File(ansi);
+	if(f.exists) f.open("r");
+	if(!f.is_open) return;
+	var ansiFileContents = f.read();
+	f.close();
+	return ansiFileContents;
+}
+
+function checkFile(str) {
+	if(file_isdir(str)) {
+		var matchMe = str.split("/");
+		matchMe = matchMe[matchMe.length - 2];
+	} else {
+		matchMe = file_getname(str);
+	}
+	for(var f = 0; f < disallowedFiles.length; f++) 
+		if(wildmatch(false, matchMe, disallowedFiles[f])) 
+			return true;
+	return false;
+}
+
+function slideshow() {
+	var dirList = directory(curDir + "*.*");
+	var retval;
+	ssForLoop:
+	for(var d = 0; d< dirList.length; d++) {
+		if(!file_isdir(dirList[d]) && !checkFile(dirList[d]) && !wildmatch(false, file_getname(dirList[d]), "*.ZIP")) retval = printAnsi(loadAnsiFile(dirList[d]), true, file_getname(dirList[d]));
+		switch(retval) {
+			case 0:
+				break ssForLoop;
+			case 3:
+				d = d - 2;
+				if(d < -1) d = -1;
+				break;
+			default:
+				break;
+		}
+	}
+}
+
+function helpScreen() {
+	console.clear(LIGHTGRAY);
+	var f = new File(js.exec_dir + "help.ans");
+	f.open("r");
+	var g = f.read();
+	f.close();
+	console.putmsg(g);
+	while(console.getkey(K_NOECHO).toUpperCase() != "Q") { }
+}
+
+while(!js.terminated) {
+	var choice = fileChooser();
+	console.line_counter = 0;
+	if(file_isdir(choice)) {
+		if(choice.length > curDir.length) {
+			parentDir = curDir;
+		} else if(parentDir != ansiRoot && parentDir.length > ansiRoot.length) {
+			parentDir = curDir.split("/");
+			parentDir = parentDir.slice(0, parentDir.length - 3).join("/") + "/";
+		} else {
+			parentDir = ansiRoot;
+		}
+		curDir = choice;
+	} else if(choice == "Q") {
+		exit();
+	} else if(choice == "S") {
+		slideshow();
+	} else if(choice == "H") {
+		helpScreen();
+	} else if(file_getext(choice).toUpperCase() == ".ZIP") {
+		destDir = curDir + file_getname(choice).toUpperCase().replace(".ZIP", "") + "/";
+		parentDir = curDir;
+		curDir = destDir;
+		if(file_isdir(destDir)) 
+			continue;
+		bbs.exec(system.exec_dir + "unzip -s -o -qq -d" + destDir + " " + choice);
+	} else {
+		var ansi = loadAnsiFile(choice);
+		printAnsi(ansi, false, file_getname(choice));
+	}
+}