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/*
* Sudoku: A plug-in for the Video Disk Recorder
*
* Copyright (C) 2008-2010, Thomas Günther <tom@toms-cafe.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "list.h"
#include <vdr/i18n.h>
#include <vdr/config.h>
#include <vdr/osdbase.h>
#include <vdr/osd.h>
#include <vdr/menuitems.h>
#include <vdr/interface.h>
#include <assert.h>
using namespace SudokuPlugin;
//--- class SudokuPlugin::ListLine ---------------------------------------------
/** Default constructor for cConfig<ListLine> */
ListLine::ListLine()
{
}
/** Constructor */
ListLine::ListLine(const char* sudoku, const char* description) :
sudoku(sudoku), description(description)
{
assert(sudoku != NULL);
assert(description != NULL);
}
/** Get the sudoku dump. */
const char* ListLine::get_sudoku() const
{
assert((const char*)sudoku != NULL);
return sudoku;
}
/** Get the description. */
const char* ListLine::get_description() const
{
assert((const char*)description != NULL);
return description;
}
/** Set the description. */
void ListLine::set_description(const char* new_description)
{
assert(new_description != NULL);
description = skipspace(new_description);
}
/** Parse a line of the sudoku list. */
bool ListLine::Parse(const char* line)
{
const char *delim = strchr(line, ' ');
if (delim)
{
sudoku = cString(strndup(line, delim - line), true);
description = skipspace(delim);
}
else
{
sudoku = line;
description = "";
}
assert((const char*)sudoku != NULL);
assert((const char*)description != NULL);
return !isempty(sudoku);
}
/** Save a line of the sudoku list. */
bool ListLine::Save(FILE* file) const
{
return fprintf(file, "%s %s\n", *sudoku, *description) > 0;
}
//--- class SudokuPlugin::ListMenu ---------------------------------------------
/** Constructor */
ListMenu::ListMenu(const char* filename, const char* new_sudoku) :
cOsdMenu(tr("Sudoku list")), selected(-1), save_mode(new_sudoku)
{
list.Load(filename);
if (save_mode)
list.Add(new ListLine(new_sudoku));
refresh();
if (save_mode)
{
SetCurrent(Last());
AddSubMenu(new ListEdit(*list.Get(Current())));
ProcessKey(kRight); // enter edit mode
}
}
/** Get the selected sudoku. */
const char* ListMenu::get_selected_sudoku() const
{
ListLine* line = list.Get(selected);
if (line)
return line->get_sudoku();
return NULL;
}
/** Process user events. */
eOSState ListMenu::ProcessKey(eKeys key)
{
bool had_submenu = HasSubMenu();
if (key == kBlue && !HasSubMenu())
key = kBack;
if (key == kGreen && !HasSubMenu() && !save_mode)
key = kOk;
eOSState state = cOsdMenu::ProcessKey(key);
if (state == osUnknown)
{
state = osContinue;
switch (key)
{
case kRed:
if (Current() >= 0 && Current() < list.Count())
return AddSubMenu(new ListEdit(*list.Get(Current())));
break;
case kYellow:
if (Current() >= 0 && Current() < list.Count() &&
Interface->Confirm(tr("Delete the puzzle?")))
list.Del(list.Get(Current()));
refresh();
list.Save();
break;
case kOk:
if (Current() >= 0 && Current() < list.Count() && !save_mode)
selected = Current();
state = osBack;
break;
default:
break;
}
}
if (had_submenu && !HasSubMenu())
{
refresh();
list.Save();
}
return state;
}
/** Refresh the list menu. */
void ListMenu::refresh()
{
int current = Current();
Clear();
SetHasHotkeys();
for (ListLine* line = list.First(); line; line = list.Next(line))
Add(new cOsdItem(hk(line->get_description())));
SetCurrent(Get(current));
SetHelp(trVDR("Button$Edit"), save_mode ? NULL : tr("Button$Load"),
trVDR("Button$Delete"), tr("Button$Back"));
Display();
}
//--- class SudokuPlugin::ListEdit ---------------------------------------------
/** Constructor */
ListEdit::ListEdit(ListLine& line) :
cOsdMenu(tr("Edit sudoku list"), 15), line(line)
{
strn0cpy(description, line.get_description(), sizeof(description));
Add(new cMenuEditStrItem(tr("Description"), description, sizeof(description)));
}
/** Process user events. */
eOSState ListEdit::ProcessKey(eKeys key)
{
eOSState state = cOsdMenu::ProcessKey(key);
if (state == osUnknown)
{
if (key == kOk)
{
line.set_description(description);
state = osBack;
}
}
return state;
}
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