aboutsummaryrefslogtreecommitdiffstats
path: root/lib/gs/examples/file_dialog.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/gs/examples/file_dialog.erl')
-rw-r--r--lib/gs/examples/file_dialog.erl261
1 files changed, 0 insertions, 261 deletions
diff --git a/lib/gs/examples/file_dialog.erl b/lib/gs/examples/file_dialog.erl
deleted file mode 100644
index 1dffc5b009..0000000000
--- a/lib/gs/examples/file_dialog.erl
+++ /dev/null
@@ -1,261 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2016. All Rights Reserved.
-%%
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%% http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-%%
-%% %CopyrightEnd%
-%%
-
-%%
-%% ------------------------------------------------------------
-%% File Selection Dialog
-%% ------------------------------------------------------------
-
--module(file_dialog).
--compile([{nowarn_deprecated_function,{gs,config,2}},
- {nowarn_deprecated_function,{gs,create,4}},
- {nowarn_deprecated_function,{gs,label,2}},
- {nowarn_deprecated_function,{gs,read,2}},
- {nowarn_deprecated_function,{gs,start,0}}]).
-
--export([start/0,start/1,start/2,fs_init/3]).
-
--include_lib("kernel/include/file.hrl").
-
-
-%% ----- File Selection ----
-start() ->
- {ok,Dir}=file:get_cwd(),
- start(Dir,[]).
-
-start(Dir) ->
- start(Dir,[]).
-
-start(Dir,File) ->
- Dir0 = case lists:last(Dir) of
- $/ -> Dir;
- _ -> lists:append(Dir,"/")
- end,
- Pid=spawn(file_dialog,fs_init,[Dir0,File,self()]),
- receive
- {file_dialog,Pid,Result} -> Result
- end.
-
-
-%% ------------------------------------------------------------
-fs_init(Dir,File,Owner) ->
- S=gs:start(),
- gs:create(window,win,S,[{width,250},{height,265},{title,"File Dialog"},
- {configure,true}]),
- gs:create(label,label,win,[{y,0},{width,250},{label, {text,Dir}}]),
- gs:label(win,[{width,50},{y,30},{x,5},{label, {text,"File:"}}]),
- gs:create(entry,entry,win,[{y,30},{width,190},{x,55},
- {keypress,true},{focus,true}]),
- gs:create(listbox,lb,win,[{x,5},{y,60},{width,160},{height,199},
- {vscroll,right},{click,true},{doubleclick,true}]),
- gs:create(button,ok,win,[{label, {text,"OK"}},{width,40},{x,185},{y,170}]),
- gs:create(button,cancel,win,[{label, {text,"Cancel"}},{x,175},{y,220},{width,65}]),
- Items=refresh(Dir),
- %% --- select File if it's given ---
- case index_member(File,Items) of
- {ok,Index} ->
- gs:config(lb,{selection,clear}),
- gs:config(lb,{selection,Index});
- _ -> true
- end,
- gs:config(win,{map,true}),
- fs_loop(Dir,Owner).
-
-fs_loop(Dir,Owner) ->
- receive
- {gs,ok,click,_,_} ->
- entered_name(Dir,Owner);
- {gs,cancel,click,_,_} ->
- Owner ! {file_dialog,self(),cancel};
- {gs,entry,keypress,_,['Return'|_]} ->
- entered_name(Dir,Owner);
- {gs,entry,keypress,_,[_Keysym|_]} ->
- fs_loop(Dir,Owner);
- {gs,lb,click,_,_} ->
- clicked(Dir,Owner);
- {gs,lb,doubleclick,_,_} ->
- double_clicked(Dir,Owner);
- {gs,win,configure,_,[250,265|_]} -> % already got that size
- fs_loop(Dir,Owner);
- {gs,win,configure,_,_} ->
- gs:config(win,[{geometry,{250,265}}]),
- fs_loop(Dir,Owner);
- stop ->
- exit(normal);
- {gs,_,destroy,_,_} ->
- Owner ! {file_dialog,self(),cancel};
- X ->
- io:format("file_dialog: got other: ~w.~n",[X]),
- fs_loop(Dir,Owner)
- end.
-
-
-
-refresh(Dir) ->
- gs:config(lb,clear),
- gs:config(label,{label, {text,Dir}}),
- gs:config(entry,{text,""}),
- Items=["../"|get_files(Dir)],
- gs:config(lb,[{items,Items}]),
- Items.
-
-
-entered_name(Dir,Owner) ->
- File=gs:read(entry,text),
- case check_file(Dir,File) of
- {file,Dir2,File2} ->
- Owner ! {file_dialog,self(),{ok,Dir2,File2}};
- {dir,Dir2} ->
- refresh(Dir2),
- fs_loop(Dir2,Owner);
- {error,no_file} ->
- double_clicked(Dir,Owner);
- _ ->
- fs_loop(Dir,Owner)
- end.
-
-
-clicked(Dir,Owner) ->
- [Idx|_]=gs:read(lb,selection),
- File=gs:read(lb,{get,Idx}),
- case lists:last(File) of
- $/ -> %it's a dir
- true;
- _ -> % it's a file
- gs:config(entry,{text,File})
- end,
- fs_loop(Dir,Owner).
-
-
-double_clicked(Dir,Owner) ->
- case gs:read(lb,selection) of
- [0] -> % up one dir
- NewDir=up_one_dir(Dir),
- refresh(NewDir),
- fs_loop(NewDir,Owner);
- [] ->
- fs_loop(Dir,Owner);
- [Idx] ->
- File=gs:read(lb,{get,Idx}),
- case lists:last(File) of
- $/ -> % down a dir
- NewDir=lists:append(Dir,File),
- refresh(NewDir),
- fs_loop(NewDir,Owner);
- _ -> % done
- Owner!{file_dialog,self(),{ok,Dir,File}}
- end
- end.
-
-
-%% checks if a file exists
-%% returns {file,Dir,File}
-%% {dir,Dir}
-%% or {error,What}
-check_file(Dir,File) ->
- case catch lists:last(File) of
- $/ -> % File is a Dir
- NewDir = case File of
- [$/|_] -> %absolute path
- File;
- _ -> %relative path
- lists:append(Dir,File)
- end,
- case file:list_dir(NewDir) of
- {ok,_} -> {dir,NewDir};
- _ -> {error,bad_dir}
- end;
- {'EXIT',_Why} -> {error,no_file};
- _ ->
- Words=string:tokens(File,[$/,$\\]),
- NewFile=lists:last(Words),
- NewDir = case File of
- [$/|_] -> %absolute path
- up_one_dir(File);
- _ -> %relative path
- case up_one_dir(File) of
- [$/] -> Dir;
- [$/|SubDir] -> lists:flatten([Dir,SubDir,$/])
- end
- end,
- case file:read_file_info(lists:append(NewDir,NewFile)) of
- {ok,_} ->
- {file,NewDir,NewFile};
- _ ->
- {error,bad_file}
- end
- end.
-
-
-get_files(Dir) ->
- {ok,Files} = file:list_dir(Dir),
- add_slash(Dir,lists:sort(Files)).
-
-add_slash(_,[]) -> [];
-add_slash(Dir,[H|T]) ->
- case file:read_file_info(lists:append(Dir,[$/|H])) of
- {ok,FI} when FI#file_info.type==directory ->
- [lists:append(H,"/")|add_slash(Dir,T)];
- _ ->
- [H|add_slash(Dir,T)]
- end.
-
-
-%filter([H|T]) ->
-% case lists:last(H) of
-% $/ -> [H|filter(T)];
-% _ ->
-% Len =length(H),
-% if Len>4 ->
-% case lists:nthtail(Len-4,H) of
-% ".erl" -> [H|filter(T)];
-% _ -> filter(T)
-% end;
-% true -> filter(T)
-% end
-% end;
-%filter([]) ->
-% [].
-
-
-%% like member but also returns index
-index_member(Item,List) ->
- i_m(0,Item,List).
-
-i_m(N,Item,[Item|_List]) ->
- {ok,N};
-i_m(N,Item,[_|List]) ->
- i_m(N+1,Item,List);
-i_m(_N,_Item,[]) ->
- false.
-
-up_one_dir(Dir) ->
- L =string:tokens(Dir,[$/,$\\]),
- lists:flatten(rem_last(L)).
-
-rem_last([_Last]) ->
- [$/];
-rem_last([Head|Tail]) ->
- [$/,Head|rem_last(Tail)];
-rem_last([]) ->
- [$/].
-
-%% ----------------------------------------
-%% done
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 23:40:25 +0000