%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2002-2009. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
-module(dbg_ui_settings).
-include_lib("kernel/include/file.hrl").
%% External exports
-export([start/4]).
%% Internal exports
-export([init/6]).
%% OTP-6011 What's denoted gs="Graphics system id" is now in fact
%% the object id of the monitor window.
-record(state, {gs, % term() Graphics system id
win, % term() Settings dialog window data
monitor, % pid() Monitor pid
action % load | save
}).
%%====================================================================
%% External exports
%%====================================================================
%%--------------------------------------------------------------------
%% start(GS, Pos, Action, SFile)
%% GS = Graphics system id
%% Pos = {X,Y}
%% Action = load | save
%% SFile = default | string()
%%--------------------------------------------------------------------
start(GS, Pos, Action, SFile) ->
Title = case Action of
load -> "Load Settings Dialog";
save -> "Save Settings Dialog"
end,
case dbg_ui_winman:is_started(Title) of
true -> ignore;
false ->
spawn(?MODULE, init, [self(), GS, Pos, Title, Action, SFile])
end.
%%====================================================================
%% Internal exports
%%====================================================================
init(Monitor, GS, Pos, Title, Action, SFile) ->
{SDir, SFileName} =
if
%% If settings are saved for the first time, and to
%% the default directory HOME/erlang.tools/debugger,
%% make sure the directory exists, or create it if
%% desired and possible
SFile==default -> {default_settings_dir(GS), "NoName.state"};
true -> {filename:dirname(SFile), filename:basename(SFile)}
end,
Filter = filename:join(SDir, "*.state"),
Extra = fun(_File) -> true end,
%% Create window
Win = case Action of
load ->
dbg_ui_filedialog_win:create_win(GS, Title, Pos, normal,
Filter, Extra);
save ->
dbg_ui_filedialog_win:create_win(GS, Title, Pos, normal,
Filter, Extra, SFileName)
end,
Window = dbg_ui_filedialog_win:get_window(Win),
dbg_ui_winman:insert(Title, Window),
State = #state{gs=GS, win=Win, monitor=Monitor, action=Action},
loop(State).
%%====================================================================
%% Main loop and message handling
%%====================================================================
loop(State) ->
receive
%% From the GUI
GuiEvent when is_tuple(GuiEvent), element(1, GuiEvent)==gs ->
Cmd = dbg_ui_filedialog_win:handle_event(GuiEvent,
State#state.win),
State2 = gui_cmd(Cmd, State),
loop(State2);
%% From the dbg_ui_winman process (Debugger window manager)
{dbg_ui_winman, update_windows_menu, _Data} ->
loop(State);
{dbg_ui_winman, destroy} ->
exit(normal)
end.
gui_cmd(ignore, State) ->
State;
gui_cmd({stopped, _Dir}, _State) ->
exit(normal);
gui_cmd({win, Win}, State) ->
State#state{win=Win};
gui_cmd({select, File}, State) ->
State#state.monitor ! {dbg_ui_settings, File, State#state.action},
exit(normal).
%%====================================================================
%% Internal functions
%%====================================================================
default_settings_dir(GS) ->
{ok, [[Home]]} = init:get_argument(home),
DefDir = filename:join([Home, ".erlang_tools", "debugger"]),
case filelib:is_dir(DefDir) of
true -> DefDir;
false ->
{ok, CWD} = file:get_cwd(),
Msg = ["Default directory", DefDir, "does not exist.",
"Click Ok to create it or",
"Cancel to use other directory!"],
case tool_utils:confirm(GS, Msg) of
ok ->
ToolsDir = filename:dirname(DefDir),
case filelib:is_dir(ToolsDir) of
true ->
case file:make_dir(DefDir) of
ok -> DefDir;
_Error -> CWD
end;
false ->
case file:make_dir(ToolsDir) of
ok ->
case file:make_dir(DefDir) of
ok -> DefDir;
_Error -> CWD
end;
_Error -> CWD
end
end;
cancel -> CWD
end
end.
