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Diffstat (limited to 'otherlibs/labltk/browser/fileselect.ml')
| -rw-r--r-- | otherlibs/labltk/browser/fileselect.ml | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/otherlibs/labltk/browser/fileselect.ml b/otherlibs/labltk/browser/fileselect.ml new file mode 100644 index 000000000..e0d0e7c33 --- /dev/null +++ b/otherlibs/labltk/browser/fileselect.ml @@ -0,0 +1,282 @@ +(* $Id$ *) + +(* file selection box *) + +open Useunix +open Str +open Filename + +open Tk + +(**** Memoized rexgexp *) + +let regexp = (new Jg_memo.c fun:Str.regexp)#get + +(************************************************************ Path name *) + +let parse_filter src = + (* replace // by / *) + let s = global_replace (regexp "/+") with:"/" src in + (* replace /./ by / *) + let s = global_replace (regexp "/\./") with:"/" s in + (* replace hoge/../ by "" *) + let s = global_replace + (regexp "\([^/]\|[^\./][^/]\|[^/][^\./]\|[^/][^/]+\)/\.\./") with:"" s in + (* replace hoge/..$ by *) + let s = global_replace + (regexp "\([^/]\|[^\./][^/]\|[^/][^\./]\|[^/][^/]+\)/\.\.$") with:"" s in + (* replace ^/../../ by / *) + let s = global_replace (regexp "^\(/\.\.\)+/") with:"/" s in + if string_match (regexp "^\([^\*?[]*/\)\(.*\)") s pos:0 then + let dirs = matched_group 1 s + and ptrn = matched_group 2 s + in + dirs, ptrn + else "", s + +let fixpoint fun:f v = + let v1 = ref v and v2 = ref (f v) in + while !v1 <> !v2 do v1 := !v2; v2 := f !v2 done; + !v1 + +let unix_regexp s = + let s = Str.global_replace (regexp "[$^.+]") with:"\\\\\\0" s in + let s = Str.global_replace (regexp "\\*") with:".*" s in + let s = Str.global_replace (regexp "\\?") with:".?" s in + let s = + fixpoint s fun:(fun s -> + Str.global_replace (regexp "\\({.*\\),\\(.*}\\)") s + with:"\\1\\|\\2") in + let s = + Str.global_replace (regexp "{\\(.*\\)}") with:"\\(\\1\\)" s in + Str.regexp s + +let exact_match s :regexp = + Str.string_match regexp s pos:0 & Str.match_end () = String.length s + +let ls :dir :pattern = + let files = get_files_in_directory dir in + let regexp = unix_regexp pattern in + List.filter files pred:(exact_match :regexp) + +(* +let ls :dir :pattern = + subshell cmd:("cd " ^ dir ^ ";/bin/ls -ad " ^ pattern ^" 2>/dev/null") +*) + +(********************************************* Creation *) +let load_in_path = ref false + +let search_in_path :name = Misc.find_in_path !Config.load_path name + +let f :title action:proc ?:dir{=Unix.getcwd ()} + ?filter:deffilter{="*"} ?file:deffile{=""} + ?:multi{=false} ?:sync{=false} ?:usepath{=true} () = + + let current_pattern = ref "" + and current_dir = ref dir in + + let tl = Jg_toplevel.titled title in + Focus.set tl; + + let new_var () = Textvariable.create on:tl () in + let filter_var = new_var () + and selection_var = new_var () + and sync_var = new_var () in + Textvariable.set filter_var to:deffilter; + + let frm = Frame.create parent:tl borderwidth:(`Pix 1) relief:`Raised () in + let df = Frame.create parent:frm () in + let dfl = Frame.create parent:df () in + let dfll = Label.create parent:dfl text:"Directories" () in + let dflf, directory_listbox, directory_scrollbar = + Jg_box.create_with_scrollbar parent:dfl () in + let dfr = Frame.create parent:df () in + let dfrl = Label.create parent:dfr text:"Files" () in + let dfrf, filter_listbox, filter_scrollbar = + Jg_box.create_with_scrollbar parent:dfr () in + let cfrm = Frame.create parent:tl borderwidth:(`Pix 1) relief:`Raised () in + + let configure :filter = + let filter = + if string_match (regexp "^/.*") filter pos:0 + then filter + else !current_dir ^ "/" ^ filter + in + let dir, pattern = parse_filter filter in + let dir = if !load_in_path & usepath then "" else + (current_dir := Filename.dirname dir; dir) + and pattern = if pattern = "" then "*" else pattern in + current_pattern := pattern; + let filter = + if !load_in_path & usepath then pattern else dir ^ pattern in + let directories = get_directories_in_files path:dir + (get_files_in_directory dir) in + let matched_files = (* get matched file by subshell call. *) + if !load_in_path & usepath then + List.fold_left !Config.load_path acc:[] fun: + begin fun :acc dir -> + let files = ls :dir :pattern in + Sort.merge order:(<) files + (List.fold_left files :acc + fun:(fun :acc name -> List2.exclude elt:name acc)) + end + else + List.fold_left directories acc:(ls :dir :pattern) + fun:(fun :acc dir -> List2.exclude elt:dir acc) + in + Textvariable.set filter_var to:filter; + Textvariable.set selection_var to:(dir ^ deffile); + Listbox.delete filter_listbox first:(`Num 0) last:`End; + Listbox.insert filter_listbox index:`End texts:matched_files; + Jg_box.recenter filter_listbox index:(`Num 0); + if !load_in_path & usepath then + Listbox.configure directory_listbox takefocus:false + else + begin + Listbox.configure directory_listbox takefocus:true; + Listbox.delete directory_listbox first:(`Num 0) last:`End; + Listbox.insert directory_listbox index:`End texts:directories; + Jg_box.recenter directory_listbox index:(`Num 0) + end + in + + let selected_files = ref [] in (* used for synchronous mode *) + let activate l = + Grab.release tl; + destroy tl; + let l = + if !load_in_path & usepath then + List.fold_right l acc:[] fun: + begin fun name :acc -> + if name <> "" & name.[0] = '/' then name :: acc else + try search_in_path :name :: acc with Not_found -> acc + end + else + List.map l fun: + begin fun x -> + if x <> "" & x.[0] = '/' then x + else !current_dir ^ "/" ^ x + end + in + if sync then + begin + selected_files := l; + Textvariable.set sync_var to:"1" + end + else proc l + in + + (* entries *) + let fl = Label.create parent:frm text:"Filter" () in + let sl = Label.create parent:frm text:"Selection" () in + let filter_entry = Jg_entry.create parent:frm textvariable:filter_var () + command:(fun filter -> configure :filter) in + let selection_entry = Jg_entry.create parent:frm textvariable:selection_var + command:(fun file -> activate [file]) () in + + (* and buttons *) + let set_path = Button.create parent:dfl text:"Path editor" () command: + begin fun () -> + Setpath.add_update_hook (fun () -> configure filter:!current_pattern); + let w = Setpath.f dir:!current_dir in + Grab.set w; + bind w events:[[], `Destroy] + action:(`Extend ([], fun _ -> Grab.set tl)) + end in + let toggle_in_path = Checkbutton.create parent:dfl text:"Use load path" () + command: + begin fun () -> + load_in_path := not !load_in_path; + if !load_in_path then + pack [set_path] side:`Bottom fill:`X expand:true + else + Pack.forget [set_path]; + configure filter:(Textvariable.get filter_var) + end + and okb = Button.create parent:cfrm text:"Ok" () command: + begin fun () -> + let files = + List.map (Listbox.curselection filter_listbox) fun: + begin fun x -> + !current_dir ^ Listbox.get filter_listbox index:x + end + in + let files = if files = [] then [Textvariable.get selection_var] + else files in + activate [Textvariable.get selection_var] + end + and flb = Button.create parent:cfrm text:"Filter" () + command:(fun () -> configure filter:(Textvariable.get filter_var)) + and ccb = Button.create parent:cfrm text:"Cancel" () + command:(fun () -> activate []) in + + (* binding *) + bind tl events:[[], `KeyPressDetail "Escape"] + action:(`Set ([], fun _ -> activate [])); + Jg_box.add_completion filter_listbox + action:(fun index -> activate [Listbox.get filter_listbox :index]); + if multi then Listbox.configure filter_listbox selectmode:`Multiple else + bind filter_listbox events:[[], `ButtonPressDetail 1] + action:(`Set ([`MouseY], fun ev -> + let name = Listbox.get filter_listbox + index:(Listbox.nearest filter_listbox y:ev.ev_MouseY) in + if !load_in_path & usepath then + try Textvariable.set selection_var to:(search_in_path :name) + with Not_found -> () + else Textvariable.set selection_var to:(!current_dir ^ "/" ^ name))); + + Jg_box.add_completion directory_listbox action: + begin fun index -> + let filter = + !current_dir ^ "/" ^ + (Listbox.get directory_listbox :index) ^ + "/" ^ !current_pattern + in configure :filter + end; + + pack [frm] fill:`Both expand:true; + (* filter *) + pack [fl] side:`Top anchor:`W; + pack [filter_entry] side:`Top fill:`X; + + (* directory + files *) + pack [df] side:`Top fill:`Both expand:true; + (* directory *) + pack [dfl] side:`Left fill:`Both expand:true; + pack [dfll] side:`Top anchor:`W; + if usepath then pack [toggle_in_path] side:`Bottom anchor:`W; + pack [dflf] side:`Top fill:`Both expand:true; + pack [directory_scrollbar] side:`Right fill:`Y; + pack [directory_listbox] side:`Left fill:`Both expand:true; + (* files *) + pack [dfr] side:`Right fill:`Both expand:true; + pack [dfrl] side:`Top anchor:`W; + pack [dfrf] side:`Top fill:`Both expand:true; + pack [filter_scrollbar] side:`Right fill:`Y; + pack [filter_listbox] side:`Left fill:`Both expand:true; + + (* selection *) + pack [sl] before:df side:`Bottom anchor:`W; + pack [selection_entry] before:sl side:`Bottom fill:`X; + + (* create OK, Filter and Cancel buttons *) + pack [okb; flb; ccb] side:`Left fill:`X expand:true; + pack [cfrm] before:frm side:`Bottom fill:`X; + + if !load_in_path & usepath then begin + load_in_path := false; + Checkbutton.invoke toggle_in_path; + Checkbutton.select toggle_in_path + end + else configure filter:deffilter; + + Tkwait.visibility tl; + Grab.set tl; + + if sync then + begin + Tkwait.variable sync_var; + proc !selected_files + end; + () |