TreeDown

Title	TreeDown
File Name	TreeDown.txt
Description	Move up the directory tree
Author	Vochomurka (idea by Gregory)
Parameters	"%p", "%n"
Plugins Called	win, file, tc
Icon
Version	1.0
Updated on	23.10.2005

local hwnd = win.handle("c=TTOTAL_CMD")
local Path = arg(1)
local Name = arg(2)
local List, Counter, Slash, j, One

if(select(Path, 2) == "\\") do
	Slash = "Script works only in directory tree, not network or special folders"
	messagebox("ok error", Slash, "TreeDown Script")
	quit
endif

if(file.isfolder(Path ++ Name) == "1" && Name != "") do	
	win.sendmessage(hwnd, 0x400+51, 2003, 0)			
	quit
endif

if(file.isfolder(Path ++ Name) == "0") do				
	if(length(Path) == 3) do
		Path = select(Path, 2)
		Slash = "Last folder in root visited. Go to the next drive?"
		if(messagebox("yesno warning", Slash, Path ++ " root") == 7)
			quit

		win.sendmessage(hwnd, 0x400+51, 2051, 0)		
		win.sendmessage(hwnd, 0x400+51, 2001, 0)		
			quit
	endif

	Path = remove(Path, -1)
	Slash = revindex(Path, "\")
	Name = select(Path, Slash - length(Path))
	Path = select(Path, Slash)
endif

Path = remove(Path, -1)

for(1)
	List = file.listfiles(Path, 2, 0, 1)
	Counter = line(List, 0)

	if(Counter == 0) do										
		Slash = revindex(Path, "\")
		Name = select(Path, Slash - length(Path))
		Path = select(Path, Slash - 1)
		win.sendmessage(hwnd, 0x400+51, 2002, 0)			
	else
		Slash = "z;"
		flag clear 1

		for(j = 1; j <= Counter; j = j + 1)
			One = file.getShortPath(line(List, j))
			if(file.isfolder(One) == "1" && min(One, Path ++ "\" ++ Name) != One) do
				flag set 1
				Slash = min(One, Slash)
			endif
		endfor

		if(pproflag(1)) do
			tc.cd(hwnd, Slash)
			keys {home}
			quit
		else
			if(length(Path) == 2) do
				Path = select(Path, 2)
				Slash = "Last folder in root visited. Go to the next drive?"
				if(messagebox("yesno warning", Slash, Path ++ " root") == 7)
					quit

				win.sendmessage(hwnd, 0x400+51, 2051, 0)		
				win.sendmessage(hwnd, 0x400+51, 2001, 0)		
				quit
			endif

			Slash = revindex(Path, "\")
			Name = select(Path, Slash - length(Path))
			Path = select(Path, Slash - 1)

		endif
	endif
endfor								

Comments:

What is meant by "move down the directory tree"? Open the directory tree file composed by Total Commander (treeinfo.wc). You'll see all the directories of some logical disk in the directory structure order.

The same order is demonstrated with the "Tree View". Each time you press the Right key, you go to the next directory, or move one directory down. This script does the same. What are the advantages of script over the Tree View?

• The "Tree View" behaves like Windows Explorer and have almost the same drawbacks. That's why I prefer Total Commander to Explorer. I hope you also do;
• Sometimes you can't use both panels in Tree View. If you change disk in the opposite panel, the tree panel changes, too. The script does not care about the target panel at all;
• If the treeinfo.wc file does not exist in the root, it takes too much time to build it;
• If you need to move to the next directory, you have to perform too many operations: switch to another panel, activate tree view, wait for the tree to be built and, finally, press the Right key. With the script it's enough to press one button or one hotkey.

It's a good idea to assign the Alt+PgDn and Alt+PgUp hotkeys to TreeDown and TreeUp scripts, respectively.

If you reach the last directory on the current disk and run the script again, you can go to the next disk after confirmation. Thus, you can visit all directories of your computer. The same is valid when moving up with TreeUp script.

More stable scripts are TreeDownX and TreeUpX to move up and down. As to me, after developing them I get rid of TheeDown and TreeUp scripts.

What does "more stable" mean? It means that TheeDown and TreeUp scripts work somewhat faster than TheeDownX and TreeUpX when executed in a directory where the quantity of files/directories is not great. Otherwise, the contrary happens: TheeDown and TreeUp get very-very slow, while TheeDownX and TreeUpX have almost the same operating speed despite the number of files.

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