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/*********
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2006 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License version 2.0.
*
**********/
#include "ckeychooser.h"
#include "backend/cswordmoduleinfo.h"
#include "backend/cswordbiblemoduleinfo.h"
#include "backend/cswordcommentarymoduleinfo.h"
#include "backend/cswordlexiconmoduleinfo.h"
#include "clexiconkeychooser.h"
#include "cbiblekeychooser.h"
#include "cbookkeychooser.h"
CKeyChooser::CKeyChooser(ListCSwordModuleInfo, CSwordKey *, TQWidget *parent, const char *name )
: TQWidget(parent, name),
m_inHistoryFunction(false) {}
CKeyChooser::~CKeyChooser() {}
CKeyChooser* CKeyChooser::createInstance(ListCSwordModuleInfo modules, CSwordKey *key, TQWidget *parent) {
if (!modules.count()) {
return 0;
}
CKeyChooser* ck = 0;
switch ( modules.first()->type() ) {
case CSwordModuleInfo::Commentary: //Bibles and commentaries uise the same key chooser
case CSwordModuleInfo::Bible:
ck = new CBibleKeyChooser(modules,key,parent);
break;
case CSwordModuleInfo::Lexicon:
ck = new CLexiconKeyChooser(modules,key,parent);
break;
case CSwordModuleInfo::GenericBook:
ck = new CBookKeyChooser(modules,key,parent);
break;
default:
return 0;
}
return ck;
}
void CKeyChooser::backInHistory() {
backInHistory(1);
}
void CKeyChooser::backInHistory(int count) {
m_inHistoryFunction = true;
// tqWarning("go back %d items in history", count);
Q_ASSERT(m_prevKeyHistoryList.size());
TQStringList::iterator it = m_prevKeyHistoryList.begin();
//pop_front count items, the top item is then the new current key
int index = count;
while ((index > 0) && (it != m_prevKeyHistoryList.end())) {
// tqWarning("pop_front");
m_nextKeyHistoryList.prepend(*it);
it = m_prevKeyHistoryList.remove(it);
--index;
}
//the first item is now the item which should be set as key
if (it != m_nextKeyHistoryList.end() && key()) {
CSwordKey* k = key();
k->key(*it);
setKey(k);
}
m_inHistoryFunction = false;
}
void CKeyChooser::forwardInHistory() {
forwardInHistory(1);
}
void CKeyChooser::forwardInHistory(int count) {
m_inHistoryFunction = true;
// tqWarning("go forward %d items in history", count);
Q_ASSERT(m_nextKeyHistoryList.size());
TQStringList::iterator it = m_nextKeyHistoryList.begin();
//pop_front count-1 items, the top item is then the new current key
int index = count;
while (index > 0 && it != m_nextKeyHistoryList.end()) {
// tqWarning("pop_front");
m_prevKeyHistoryList.prepend(*it);
it = m_nextKeyHistoryList.remove(it);
--index;
}
//the first item of the back list is now the new key
it = m_prevKeyHistoryList.begin();
if (it != m_prevKeyHistoryList.end() && key()) {
CSwordKey* k = key();
k->key(*it);
setKey(k);
}
m_inHistoryFunction = false;
}
void CKeyChooser::addToHistory(CSwordKey* k) {
// tqWarning("addToHistory");
Q_ASSERT(!m_inHistoryFunction);
if (k && !m_inHistoryFunction) {
Q_ASSERT(k->key() == key()->key());
m_prevKeyHistoryList.prepend(k->key());
}
emit historyChanged();
}
const TQStringList CKeyChooser::getPreviousKeys() const {
TQStringList ret = m_prevKeyHistoryList;
if (ret.size() >= 1) {
ret.pop_front(); //the first item always is equal to the current key
}
return ret;
}
const TQStringList CKeyChooser::getNextKeys() const {
return m_nextKeyHistoryList;
}
/*!
\fn CKeyChooser::polish()
*/
void CKeyChooser::polish() {
TQWidget::polish();
//connect the history calls just before we show, we want an empty history
connect(this, TQT_SIGNAL(keyChanged(CSwordKey*)), TQT_SLOT(addToHistory(CSwordKey*)));
}
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