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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/wx/examples/demo/ex_treeCtrl.erl
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The R13B03 release.OTP_R13B03
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 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(ex_treeCtrl).
+
+-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_event/2]).
+
+-include_lib("wx/include/wx.hrl").
+
+-record(state,
+ {
+ parent,
+ config
+ }).
+
+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, "wxTreeCtrl"}]),
+
+ %% Setup treeCtrl
+ TreeCtrl = wxTreeCtrl:new(Panel, []),
+ RootId = wxTreeCtrl:addRoot(TreeCtrl, "Root"),
+ %% Name the first items
+ Items = ["item "++integer_to_list(Int)||
+ Int <- lists:seq(1,10)],
+ %% Create the first items in the treeCtrl
+ SubItems = [{wxTreeCtrl:appendItem(TreeCtrl, RootId, Item), Item}||
+ Item <- Items],
+ %% Create sub items
+ [wxTreeCtrl:appendItem(TreeCtrl, ItemId, Item++" sub item "++integer_to_list(Int))||
+ {ItemId, Item} <- SubItems, Int <- lists:seq(1,10)],
+ wxTreeCtrl:expand(TreeCtrl, RootId),
+
+ %% Add to sizers
+ Options = [{flag, ?wxEXPAND}, {proportion, 1}],
+ wxSizer:add(Sizer, TreeCtrl, Options),
+ wxSizer:add(MainSizer, Sizer, Options),
+
+ wxTreeCtrl:connect(TreeCtrl, command_tree_item_collapsed),
+ wxTreeCtrl:connect(TreeCtrl, command_tree_item_expanded),
+ wxTreeCtrl:connect(TreeCtrl, command_tree_sel_changed),
+ wxPanel:setSizer(Panel, MainSizer),
+ {Panel, #state{parent=Panel, config=Config}}.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Async Events are handled in handle_event as in handle_info
+handle_event(#wx{event = #wxTree{type = command_tree_item_collapsed,
+ item = Item},
+ obj = TreeCtrl},
+ State = #state{}) ->
+ ItemText = wxTreeCtrl:getItemText(TreeCtrl, Item),
+ demo:format(State#state.config, "You have collapsed ~p.\n", [ItemText]),
+ {noreply, State};
+handle_event(#wx{event = #wxTree{type = command_tree_item_expanded,
+ item = Item},
+ obj = TreeCtrl},
+ State = #state{}) ->
+ ItemText = wxTreeCtrl:getItemText(TreeCtrl, Item),
+ demo:format(State#state.config, "You have expanded ~p.\n", [ItemText]),
+ {noreply, State};
+handle_event(#wx{event = #wxTree{type = command_tree_sel_changed,
+ item = Item},
+ obj = TreeCtrl},
+ State = #state{}) ->
+ ItemText = wxTreeCtrl:getItemText(TreeCtrl, Item),
+ demo:format(State#state.config, "You have selected ~p.\n", [ItemText]),
+ {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(Msg, _From, State) ->
+ demo:format(State#state.config, "Got Call ~p\n", [Msg]),
+ {reply,{error, nyi}, State}.
+
+code_change(_, _, State) ->
+ {stop, ignore, State}.
+
+terminate(_Reason, _State) ->
+ ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Local functions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+