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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2009-2021. 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%
%% This is example of the widgets and usage of wxErlang
%% Hopefully it will contain all implemented widgets, it's event handling
%% and some tutorials of how to use sizers and other stuff.
-module(ex_notificationMessage).
-include_lib("wx/include/wx.hrl").
-behaviour(wx_object).
-export([start/1, init/1,
terminate/2, code_change/3,
handle_info/2, handle_call/3, handle_cast/2, handle_event/2]).
-record(state, {buttons, close, notifications, config, parent}).
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 = wxScrolledWindow:new(Parent),
Sz = wxBoxSizer:new(?wxVERTICAL),
wxWindow:setSizer(Panel, Sz),
Version = {?wxMAJOR_VERSION, ?wxMINOR_VERSION, ?wxRELEASE_NUMBER},
EventsEnabled = case Version of
{Major, Minor, _} when Major >= 3, Minor >= 1 -> true;
_ -> false
end,
EventsEnabled orelse demo:format(Config,"wxNotificationMessage events are not supported in ~p~n",[Version]),
ButtBox = wxStaticBox:new(Panel, -1, "wxNotificationMessage"),
wxStaticBox:setSizer(ButtBox, wxFlexGridSizer:new(3)),
wxSizer:add(Sz, ButtBox, [{flag, ?wxALL bor ?wxEXPAND}, {proportion, 1}]),
Configs = [
{"Info", ?wxICON_INFORMATION},
{"Warning", ?wxICON_WARNING},
{"Error", ?wxICON_ERROR}
],
{Buttons, Notifications} = create_buttons(ButtBox, Configs, EventsEnabled),
CloseEmAll = wxButton:new(ButtBox, -1, [{label, "Close Em All"}]),
wxSizer:add(wxStaticBox:getSizer(ButtBox), CloseEmAll),
CloseId = wxButton:getId(CloseEmAll),
wxWindow:connect(Panel, command_button_clicked),
wxSizer:layout(Sz),
wxWindow:refresh(Panel),
wxScrolledWindow:setScrollRate(Panel, 5, 5),
{Panel, #state{
buttons=Buttons,
notifications=Notifications,
close=CloseId,
config=Config,
parent=Panel}}.
create_buttons(Parent, Configs, false) ->
lists:unzip(lists:map(fun ({Label, Icon}) ->
Button = wxButton:new(Parent, -1, [{label, Label}]),
wxSizer:add(wxWindow:getSizer(Parent), Button),
ButtonId = wxButton:getId(Button),
Notify = wxNotificationMessage:new(Label, [{message, "Example " ++ Label ++ " message"}, {flags, Icon}]),
{ButtonId, Notify}
end, Configs));
create_buttons(Parent, Configs, true) ->
{Buttons0, Notifications0} = create_buttons(Parent, Configs, false),
Events = [notification_message_click, notification_message_dismissed, notification_message_action],
[wxWindow:connect(Notify, E) || Notify <- Notifications0, E <- Events],
{Buttons1, Notifications1} = lists:unzip(lists:map(fun ({Label, Icon}) ->
Button = wxButton:new(Parent, -1, [{label, Label ++ " action"}]),
wxSizer:add(wxWindow:getSizer(Parent), Button),
ButtonId = wxButton:getId(Button),
Notify = wxNotificationMessage:new(Label, [{message, "Example " ++ Label ++ " message"}, {flags, Icon}]),
[wxWindow:connect(Notify, E) || E <- Events],
wxNotificationMessage:addAction(Notify, -1, [{label, "An added action"}]),
wxNotificationMessage:addAction(Notify, -1, [{label, "Another added action"}]),
{ButtonId, Notify}
end, Configs)),
{Buttons0 ++ Buttons1, Notifications0 ++ Notifications1}.
%%%%%%%%%%%%
%% Async Events are handled in handle_event as in handle_info
handle_event(#wx{id=CloseId, event=#wxCommand{type=command_button_clicked}},
State = #state{close=CloseId, notifications=Ns}) ->
[wxNotificationMessage:close(N) || N <- Ns],
{noreply, State};
handle_event(#wx{id=Id, event=#wxCommand{type=command_button_clicked}},
State = #state{buttons=Bs, notifications=Ns}) ->
{_, N} = lists:keyfind(Id, 1, lists:zip(Bs, Ns)),
wxNotificationMessage:show(N),
{noreply, State};
handle_event(Ev = #wx{}, State = #state{}) ->
demo:format(State#state.config,"Got Event ~p~n",[Ev]),
{noreply,State}.
%% Callbacks handled as normal gen_server callbacks
handle_info(Msg, State) ->
demo:format(State#state.config, "Got Info ~p~n",[Msg]),
{noreply,State}.
handle_call(shutdown, _From, State=#state{parent=Panel}) ->
wxPanel:destroy(Panel),
{stop, normal, ok, State};
handle_call(Msg, _From, State) ->
demo:format(State#state.config,"Got Call ~p~n",[Msg]),
{reply,ok,State}.
handle_cast(Msg, State) ->
demo:format(State#state.config,"Got cast ~p~n",[Msg]),
{noreply,State}.
code_change(_, _, State) ->
{stop, ignore, State}.
terminate(_Reason, _) ->
ok.
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