%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2009-2016. 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%
-module(ex_grid).
-behaviour(wx_object).
%% Client API
-export([start/1]).
%% wx_object callbacks
-export([init/1, terminate/2, code_change/3,
handle_info/2, handle_call/3, handle_cast/2, handle_event/2]).
-include_lib("wx/include/wx.hrl").
-record(state,
{
parent,
config,
grid
}).
start(Config) ->
wx_object:start_link(?MODULE, Config, []).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
init(Config) ->
wx:batch(fun() -> do_init(Config) end).
do_init(Config) ->
Parent = proplists:get_value(parent, Config),
Panel = wxPanel:new(Parent, []),
%% Setup sizers
MainSizer = wxBoxSizer:new(?wxVERTICAL),
Sizer = wxStaticBoxSizer:new(?wxVERTICAL, Panel,
[{label, "wxGrid"}]),
Grid = create_grid(Panel),
%% Add to sizers
Options = [{flag, ?wxEXPAND}, {proportion, 1}],
wxSizer:add(Sizer, Grid, Options),
wxSizer:add(MainSizer, Sizer, Options),
wxPanel:setSizer(Panel, MainSizer),
{Panel, #state{parent=Panel, config=Config,
grid = Grid}}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Async Events are handled in handle_event as in handle_info
handle_event(#wx{event = #wxGrid{type = grid_cell_change,
row = Row, col = Col}},
State = #state{}) ->
Val = wxGrid:getCellValue(State#state.grid, Row, Col),
demo:format(State#state.config, "Cell {~p,~p} changed to ~p.\n",
[Row,Col,Val]),
{noreply, State}.
%% Callbacks handled as normal gen_server callbacks
handle_info(_Msg, State) ->
{noreply, State}.
handle_call(shutdown, _From, State=#state{parent=Panel}) ->
wxPanel:destroy(Panel),
{stop, normal, ok, State};
handle_call(_Msg, _From, State) ->
{reply,{error, nyi}, State}.
handle_cast(Msg, State) ->
io:format("Got cast ~p~n",[Msg]),
{noreply,State}.
code_change(_, _, State) ->
{stop, ignore, State}.
terminate(_Reason, _State) ->
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Local functions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
create_grid(Panel) ->
%% Create the grid with 100 * 5 cells
Grid = wxGrid:new(Panel, 2, []),
wxGrid:createGrid(Grid, 100, 5),
Font = wxFont:new(16, ?wxFONTFAMILY_SWISS,
?wxFONTSTYLE_NORMAL,
?wxFONTWEIGHT_NORMAL, []),
%% Fun to set the values and flags of the cells
Fun =
fun(Row) ->
wxGrid:setCellValue(Grid, Row, 0, "Editable"),
wxGrid:setCellValue(Grid, Row, 1, "Editable"),
wxGrid:setCellValue(Grid, Row, 2, "Editable"),
wxGrid:setCellValue(Grid, Row, 3, "Read only"),
wxGrid:setCellTextColour(Grid, Row, 3, ?wxWHITE),
wxGrid:setReadOnly(Grid, Row, 3, [{isReadOnly,true}]),
wxGrid:setCellValue(Grid, Row, 4, "Editable"),
case Row rem 4 of
0 -> wxGrid:setCellBackgroundColour(Grid, Row, 3, ?wxRED);
1 -> wxGrid:setCellBackgroundColour(Grid, Row, 3, ?wxGREEN),
wxGrid:setCellTextColour(Grid, Row, 2, {255,215,0,255});
2 -> wxGrid:setCellBackgroundColour(Grid, Row, 3, ?wxBLUE);
_ -> wxGrid:setCellBackgroundColour(Grid, Row, 1, ?wxCYAN),
wxGrid:setCellValue(Grid, Row, 1,
"Centered\nhorizontally"),
wxGrid:setCellAlignment(Grid, Row, 4,
0,?wxALIGN_CENTER),
wxGrid:setCellValue(Grid, Row, 4,
"Centered\nvertically"),
wxGrid:setCellAlignment(Grid, Row, 1,
?wxALIGN_CENTER,0),
wxGrid:setCellTextColour(Grid, Row, 3, ?wxBLACK),
wxGrid:setCellAlignment(Grid, Row, 2,
?wxALIGN_CENTER,
?wxALIGN_CENTER),
wxGrid:setCellFont(Grid, Row, 0, Font),
wxGrid:setCellValue(Grid, Row, 2,
"Centered vertically\nand horizontally"),
wxGrid:setRowSize(Grid, Row, 80)
end
end,
%% Apply the fun to each row
wx:foreach(Fun, lists:seq(0,99)),
wxGrid:setColSize(Grid, 2, 150),
wxGrid:connect(Grid, grid_cell_change),
Grid.
