%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2009. 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(toolbar_toolconfig).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Erlang Toolbar
%
%%% Description %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Tool configuration tool, edit and creates .tool files
% This tool works separately from the toolbar.
%
%%% External data types %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% toolinfo() -- Tool configuration information
-include("toolbar.hrl").
%
%%% Internal data types %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% tfwindow() -- Toolfile configuration window
-record(tfwindow,
{window,
fileentry,
toolentry,moduleentry,functionentry,
iconentry,messageentry,htmlentry,
label}).
%
%%% Exports %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
-export([start/0]).
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-export([init/0]). % spawn
%%% Exported functions %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%----------------------------------------
% start() => pid()
%----------------------------------------
start() ->
spawn(toolbar_toolconfig,init,[]).
%%% Internal functions %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%=============================================================================
% Main loop
%=============================================================================
%----------------------------------------
% init()
%----------------------------------------
init() ->
%% Start GS (or get the pid if it is already running)
S = gs:start(),
%% Draw the window
Window = draw_window(S),
loop(S,Window).
%----------------------------------------
% loop(S,Window)
% S - pid() GS
% Window - tfwindow()
%----------------------------------------
loop(S,Window) ->
receive
%% 'Return' pressed in the 'File' entry
{gs,_Obj,keypress,file,['Return'|_]} ->
%% Check if a file name is specified
case string:strip(gs:read(Window#tfwindow.fileentry,text)) of
%% No file name specified, move focus to next entry
"" ->
move_focus(Window,file);
%% A name is specified
String ->
%% Add a .tool suffix to the file name if necessary
FileName = tool_file(String),
%% Write the complete file name to the file entry
gs:config(Window#tfwindow.fileentry,{text,FileName}),
%% Try to open the file
case file:consult(FileName) of
%% File exists and seems ok
{ok,[{version,Vsn},T]} ->
%% Check the syntax of the file contents
%% (All mandatory information specified,
%% correct types, etc)
case toolbar_lib:tool_info_syntax(Vsn,T) of
%% Ok -- Show the file contents in the window
%% and move focus to the next entry
{ok,Info} ->
display(Window,"File: "++FileName++
" opened"),
clear_info(Window),
show_info(Window,Info),
move_focus(Window,file);
%% Erroneous version number -- Notify user
{error,version} ->
Win = Window#tfwindow.window,
tool_utils:notify(Win,[FileName,
"File has wrong version number"]);
%% Other error -- Notify user
_Error ->
Win = Window#tfwindow.window,
tool_utils:notify(Win,[FileName,
"File is in erroneous format"])
end;
%% The file can not be read, show default values
%% according to the file name in the window and
%% move focus to the next entry
_ ->
display(Window,"File: "++FileName ++
" could not be read, new file"),
Tool = filename:basename(FileName,".tool"),
clear_info(Window),
show_info(Window,[{tool,Tool},
{start,{list_to_atom(Tool),
start,[]}},
{icon,Tool++".gif"},
{html,Tool++".html"}]),
move_focus(Window,file)
end
end,
loop(S,Window);
%% 'Return' pressed in another entry, move focus to next entry
{gs,_Obj,keypress,Focus,['Return'|_]} ->
move_focus(Window,Focus),
loop(S,Window);
%% Any oher keypress, clear the display
{gs,_Obj,keypress,_Data,_Args} ->
display_clear(Window),
loop(S,Window);
%% 'Clear' button pressed, clear the window
{gs,_Obj,click,_Data,["Clear"|_]} ->
clear_info(Window),
loop(S,Window);
%% 'Save' button pressed, save the given information to file
{gs,_Obj,click,_Data,["Save"|_]} ->
%% Check if a file name is specified
case string:strip(gs:read(Window#tfwindow.fileentry,text)) of
%% No file name specified, notify user
"" ->
Win = Window#tfwindow.window,
tool_utils:notify(Win,
"A file name must be specified");
%% A name is specified
String ->
%% Add a .tool suffix to the file name if necessary
FileName = tool_file(String),
%% Write the complete file name to the file entry
gs:config(Window#tfwindow.fileentry,{text,FileName}),
%% Check the other information given
case check_info(Window) of
%% If given info is correct, try to save
%% it to the file
{ok,ToolInfo} ->
Win = Window#tfwindow.window,
case save_info(Win,FileName,ToolInfo) of
%% Ok, display confirmation
ok ->
display(Window,
"Tool information saved to "++
FileName);
%% Cancel, do nothing
cancel ->
ignore;
%% Error, display error message
{error,Reason} ->
display(Window,
toolbar_lib:error_string(Reason)++
FileName)
end;
%% Given info incorrect, notify user
{error,Reason} ->
Win = Window#tfwindow.window,
Str = toolbar_lib:error_string(Reason),
tool_utils:notify(Win,Str)
end
end,
loop(S,Window);
%% 'Stop' button, close window and exit
{gs,_Obj,click,_Data,["Stop"|_]} ->
gs:destroy(Window#tfwindow.window),
finished;
%% Window closed, exit
{gs,_Obj,destroy,_Data,_Args} ->
finished;
Other ->
io:format("toolbar_toolconfig: unexp msg: ~p~n",[Other]),
loop(S,Window)
end.
%=============================================================================
% Graphics
%=============================================================================
%----------------------------------------
% draw_window(S)
% S - pid() GS
% Draw the main window.
%----------------------------------------
draw_window(S) ->
%% ----- Open a new window -----
Win = gs:create(window,S,[{width,400},{height,390},
{title,"Create Tool File"}]),
%% ----- Top frame containing a 'File name' label and entry -----
Top = gs:create(frame,Win,[{x,0},{y,0},{width,400},{height,60},{bw,2},
{keypress,true}]),
%% File name
gs:create(label,Top,[{x,10},{y,10},{width,80},{height,30},{align,e},
{keypress,true},
{label,{text,"File name:"}}]),
File = gs:create(entry,Top,[{x,110},{y,10},{width,280},{height,30},
{keypress,true},{data,file}]),
%% ----- Middle frame containing other labels and entries -----
Mid = gs:create(frame,Win,[{x,0},{y,60},{width,400},{height,250},{bw,2},
{keypress,true}]),
%% Tool name
gs:create(label,Mid,[{x,10},{y,10},{width,80},{height,30},{align,e},
{keypress,true},
{label,{text,"Tool name:"}}]),
Tool = gs:create(entry,Mid,[{x,110},{y,10},{width,280},{height,30},
{keypress,true},{data,tool}]),
%% Start function
gs:create(label,Mid,[{x,10},{y,60},{width,80},{height,30},{align,e},
{keypress,true},
{label,{text,"Start:"}}]),
Mod = gs:create(entry,Mid,[{x,110},{y,60},{width,135},{height,30},
{keypress,true},{data,module}]),
Fun = gs:create(entry,Mid,[{x,245},{y,60},{width,135},{height,30},
{keypress,true},{data,function}]),
%% Icon file
gs:create(label,Mid,[{x,10},{y,110},{width,80},{height,30},{align,e},
{keypress,true},
{label,{text,"Icon file:"}}]),
Icon = gs:create(entry,Mid,[{x,110},{y,110},{width,280},{height,30},
{keypress,true},{data,icon}]),
%% Message
gs:create(label,Mid,[{x,10},{y,160},{width,80},{height,30},{align,e},
{keypress,true},
{label,{text,"Message:"}}]),
Msg = gs:create(entry,Mid,[{x,110},{y,160},{width,280},{height,30},
{keypress,true},{data,message}]),
%% HTML file
gs:create(label,Mid,[{x,10},{y,210},{width,80},{height,30},{align,e},
{keypress,true},
{label,{text,"HTML:"}}]),
Html = gs:create(entry,Mid,[{x,110},{y,210},{width,280},{height,30},
{keypress,true},{data,html}]),
%% ----- Bottom frame containing the buttons -----
Bot = gs:create(frame,Win,[{x,0},{y,310},{width,400},{height,50},
{bw,2},{keypress,true}]),
gs:create(button,Bot,[{x,75},{y,10},{width,50},{height,30},
{keypress,true},
{label,{text,"Clear"}}]),
gs:create(button,Bot,[{x,175},{y,10},{width,50},{height,30},
{keypress,true},
{label,{text,"Save"}}]),
gs:create(button,Bot,[{x,275},{y,10},{width,50},{height,30},
{keypress,true},
{label,{text,"Stop"}}]),
%% ----- Label for displaying help messages -----
Lbl = gs:create(label,Win,[{x,0},{y,360},{width,400},{height,30},{bw,2},
{relief,raised},
{keypress,true},
{align,c},{label,{text,""}}]),
gs:config(Win,{map,true}),
gs:config(File,{setfocus,true}),
#tfwindow{window=Win,
fileentry=File,
toolentry=Tool,
moduleentry=Mod,
functionentry=Fun,
iconentry=Icon,
messageentry=Msg,
htmlentry=Html,
label=Lbl}.
%----------------------------------------
% move_focus(Window,Focus)
% Window - tfwindow()
% Focus - file | tool | module | function | icon | message | html | none
% Move the input focus to the entry following Focus
%----------------------------------------
move_focus(Window,file) ->
gs:config(Window#tfwindow.toolentry,{setfocus,true});
move_focus(Window,tool) ->
gs:config(Window#tfwindow.moduleentry,{setfocus,true});
move_focus(Window,module) ->
gs:config(Window#tfwindow.functionentry,{setfocus,true});
move_focus(Window,function) ->
gs:config(Window#tfwindow.iconentry,{setfocus,true});
move_focus(Window,icon) ->
gs:config(Window#tfwindow.messageentry,{setfocus,true});
move_focus(Window,message) ->
gs:config(Window#tfwindow.htmlentry,{setfocus,true});
move_focus(Window,html) ->
gs:config(Window#tfwindow.htmlentry,{setfocus,false});
move_focus(_Window,none) ->
true.
%----------------------------------------
% display(Window,Text)
% Window - tfwindow()
% Text - string()
% Display a help message in the window
%----------------------------------------
display(Window,Text) ->
gs:config(Window#tfwindow.label,{label,{text,Text}}).
%----------------------------------------
% display_clear(Window)
% Window - tfwindow()
% Clear the help message display
%----------------------------------------
display_clear(Window) ->
display(Window,"").
%----------------------------------------
% clear_info(Window)
% Window - tfwindow()
% Clear the entries of Window (except the file entry)
%----------------------------------------
clear_info(Window) ->
gs:config(Window#tfwindow.toolentry,{text,""}),
gs:config(Window#tfwindow.moduleentry,{text,""}),
gs:config(Window#tfwindow.functionentry,{text,""}),
gs:config(Window#tfwindow.iconentry,{text,""}),
gs:config(Window#tfwindow.messageentry,{text,""}),
gs:config(Window#tfwindow.htmlentry,{text,""}).
%----------------------------------------
% show_info(Window,List)
% Window - tfwindow()
% List - [{Key,Val}]
% Key - tool, Val - string()
% Key - start, Val - {atom(),atom(),_}
% Key - icon, Val - string()
% Key - message, Val - string()
% Key - html, Val - string()
% Display the different Val's in the appropriate entries of Window
%----------------------------------------
show_info(_Window,[]) ->
ok;
show_info(Window,[{tool,Tool}|Rest]) ->
gs:config(Window#tfwindow.toolentry,{text,Tool}),
show_info(Window,Rest);
show_info(Window,[{start,{M,F,_}}|Rest]) ->
gs:config(Window#tfwindow.moduleentry,{text,M}),
gs:config(Window#tfwindow.functionentry,{text,F}),
show_info(Window,Rest);
show_info(Window,[{icon,Icon}|Rest]) ->
gs:config(Window#tfwindow.iconentry,{text,Icon}),
show_info(Window,Rest);
show_info(Window,[{message,Message}|Rest]) ->
gs:config(Window#tfwindow.messageentry,{text,Message}),
show_info(Window,Rest);
show_info(Window,[{html,Html}|Rest]) ->
gs:config(Window#tfwindow.htmlentry,{text,Html}),
show_info(Window,Rest).
%=============================================================================
% Retrieve user specified information
%=============================================================================
%----------------------------------------
% check_info(Window) => {ok,ToolInfo} | {error,Reason}
% Window - tfwindow()
% ToolInfo - toolinfo()
% Reason - noname | nostart
% Check the information given in the entries and insert it into ToolInfo
% if all mandatory information is given.
%----------------------------------------
check_info(Window) ->
%% First check mandatory elements: name and start function
Tool = gs:read(Window#tfwindow.toolentry,text),
M = gs:read(Window#tfwindow.moduleentry,text),
F = gs:read(Window#tfwindow.functionentry,text),
if
Tool/="",M/="",F/="" ->
ToolInfo =
#toolinfo{tool=Tool,
start={list_to_atom(M),list_to_atom(F),[]},
icon=gs:read(Window#tfwindow.iconentry,text),
message=gs:read(Window#tfwindow.messageentry,text),
html=gs:read(Window#tfwindow.htmlentry,text)},
{ok,ToolInfo};
Tool=="" ->
{error,noname};
true ->
{error,nostart}
end.
%=============================================================================
% Save information to file
%=============================================================================
%----------------------------------------
% save_info(Win,File,ToolInfo) => ok | cancel | {error,waccess}
% Win - GS object
% File - string()
% ToolInfo - toolinfo()
% Saves the information in ToolInfo to File on a predefined format.
%----------------------------------------
save_info(Win,File,ToolInfo) ->
%% First check if file already exists
case file:read_file_info(File) of
{ok,_FileInfo} ->
%% Request the user to confirm that the file should
%% be overwritten
case tool_utils:confirm(Win,[File,
"exists, will be overwritten"]) of
ok ->
save_info2(File,ToolInfo);
cancel ->
cancel
end;
{error,_Reason} -> % _Reason = "No such file or directory"
save_info2(File,ToolInfo)
end.
%----------------------------------------
% save_info2(File,ToolInfo) => ok | {error,waccess}
% File - string() File name
% ToolInfo - toolinfo record
% Called by save_info/3
%----------------------------------------
save_info2(File,ToolInfo) ->
case file:open(File, [write]) of
{ok,Fd} ->
io:format(Fd,"{version,\"~s\"}.~n",[toolbar:version()]),
io:format(Fd,"{{tool,\"~s\"},~n",[ToolInfo#toolinfo.tool]),
io:format(Fd," {start,~w}",[ToolInfo#toolinfo.start]),
case ToolInfo#toolinfo.icon of
"" -> ignore;
Icon -> io:format(Fd,",~n {icon,\"~s\"}",[Icon])
end,
case ToolInfo#toolinfo.message of
"" -> ignore;
Message -> io:format(Fd,",~n {message,\"~s\"}",[Message])
end,
case ToolInfo#toolinfo.html of
"" -> ignore;
Html -> io:format(Fd,",~n {html,\"~s\"}",[Html])
end,
io:format(Fd,"}.~n",[]),
file:close(Fd),
ok;
_Error ->
{error,waccess}
end.
%=============================================================================
% Auxiliary functions
%=============================================================================
%----------------------------------------
% tool_file(File) => string()
% File - string()
% Return a file name consisting of File with the suffix .tool added,
% if File does not already have this suffix.
%----------------------------------------
tool_file(File) ->
case filename:extension(File) of
".tool" -> File;
_ -> File ++ ".tool"
end.
