//=============================================================================
//
//   File : AliasEditorWindow.cpp
//   Creation date : Mon Dec 23 2002 14:36:18 by Szymon Stefanek
//
//   This file is part of the KVIrc irc client distribution
//   Copyright (C) 2002-2010 Szymon Stefanek (pragma at kvirc dot net)
//
//   This program is FREE software. You can redistribute it and/or
//   modify it under the linkss of the GNU General Public License
//   as published by the Free Software Foundation; either version 2
//   of the License, or (at your opinion) 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 "AliasEditorWindow.h"

#include "KviIconManager.h"
#include "KviOptions.h"
#include "KviLocale.h"
#include "KviImageDialog.h"
#include "KviConfigurationFile.h"
#include "KviFileDialog.h"
#include "KviFileUtils.h"
#include "KviScriptEditor.h"
#include "kvi_debug.h"
#include "KviApplication.h"
#include "KviMainWindow.h"
#include "KviQString.h"
#include "KviKvsAliasManager.h"
#include "KviFileDialog.h"
#include "KviCommandFormatter.h"
#include "KviModule.h"
#include "KviTalVBox.h"
#include "kvi_fileextensions.h"

#include <QList>
#include <QSplitter>
#include <QLayout>
#include <QToolTip>
#include <QPushButton>
#include <QDir>
#include <QMessageBox>
#include <QInputDialog>
#include <QRegExp>
#include <QTreeWidget>
#include <QMouseEvent>
#include <QList>
#include <QPainter>
#include <QBrush>
extern AliasEditorWindow * g_pAliasEditorWindow;
extern KviModule * g_pAliasEditorModule;


AliasEditorTreeWidgetItem::AliasEditorTreeWidgetItem(QTreeWidget * pTreeWidget,Type eType,const QString &szName)
: QTreeWidgetItem(pTreeWidget), KviHeapObject(), m_eType(eType), m_pParentItem(0)
{
	setName(szName);
	m_cPos=0;
	if(eType==AliasEditorTreeWidgetItem::Namespace) setIcon(0,QIcon(*(g_pIconManager->getSmallIcon(KviIconManager::NameSpace))));
	else setIcon(0,QIcon(*(g_pIconManager->getSmallIcon(KviIconManager::Alias))));
}

AliasEditorTreeWidgetItem::AliasEditorTreeWidgetItem(AliasEditorTreeWidgetItem * pParentItem,Type eType,const QString &szName)
: QTreeWidgetItem(pParentItem), m_eType(eType), m_pParentItem(pParentItem)
{
	setName(szName);
	m_cPos=0;
	setFlags(Qt::ItemIsEditable|Qt::ItemIsEnabled|Qt::ItemIsSelectable);
	if(eType==AliasEditorTreeWidgetItem::Namespace) setIcon(0,QIcon(*(g_pIconManager->getSmallIcon(KviIconManager::NameSpace))));
	else setIcon(0,QIcon(*(g_pIconManager->getSmallIcon(KviIconManager::Alias))));
}

void AliasEditorTreeWidgetItem::setName(const QString &szName)
{
	m_szName = szName;
	setText(0,m_szName);
}
void AliasEditorTreeWidgetItem::setType(Type t)
{
	m_eType=t;
	if(t==AliasEditorTreeWidgetItem::Namespace) setIcon(0,QIcon(*(g_pIconManager->getSmallIcon(KviIconManager::NameSpace))));
		else setIcon(0,QIcon(*(g_pIconManager->getSmallIcon(KviIconManager::Alias))));
}

AliasEditorTreeWidget::AliasEditorTreeWidget(QWidget * par)
: QTreeWidget(par)
{
	setColumnCount (1);
	setHeaderLabel(__tr2qs_ctx("Alias","editor"));
	setSelectionMode(QAbstractItemView::ExtendedSelection);
	setSortingEnabled(true);
	setRootIsDecorated(true);
	setAnimated(true);
}

AliasEditorTreeWidget::~AliasEditorTreeWidget()
{
	//remove and delete all items
	clear();
}


AliasEditorWidget::AliasEditorWidget(QWidget * par)
: QWidget(par)
{
	m_pAliases=new KviPointerList<AliasEditorTreeWidgetItem>;
	m_pAliases->setAutoDelete(false);

	m_bSaving = false;
	m_pLastEditedItem = 0;
	m_pLastClickedItem = 0;
	m_szDir = QDir::homePath();

	QGridLayout * l = new QGridLayout(this);

	m_pSplitter = new QSplitter(Qt::Horizontal,this);
	m_pSplitter->setChildrenCollapsible(false);
	l->addWidget(m_pSplitter,0,0);

	KviTalVBox * box = new KviTalVBox(m_pSplitter);
	box->setSpacing(0);
	box->setMargin(0);

	m_pTreeWidget = new AliasEditorTreeWidget(box);

	box = new KviTalVBox(m_pSplitter);
	KviTalHBox * hbox = new KviTalHBox(box);
	hbox->setSpacing(0);
	hbox->setMargin(0);
	m_pNameLabel = new QLabel(__tr2qs_ctx("No item selected","editor"),hbox);
	m_pRenameButton = new QPushButton(__tr2qs_ctx("Rename","editor"),hbox);
	m_pRenameButton->setEnabled(false);
	connect(m_pRenameButton,SIGNAL(clicked()),this,SLOT(renameItem()));
	hbox->setStretchFactor(m_pNameLabel,2);
	m_pRenameButton->setToolTip(__tr2qs_ctx("Edit the alias or namespace name","editor"));
	m_pEditor = KviScriptEditor::createInstance(box);
	m_pEditor->setFocus();

	connect(m_pEditor,SIGNAL(find(const QString &)),this,SLOT(slotFindWord(const QString &)));
	connect(m_pEditor,SIGNAL(replaceAll(const QString &,const QString &)),this,SLOT(slotReplaceAll(const QString &,const QString &)));

	m_pContextPopup = new KviTalPopupMenu(this);

	oneTimeSetup();

	currentItemChanged(0,0);
}

AliasEditorWidget::~AliasEditorWidget()
{
	KviScriptEditor::destroyInstance(m_pEditor);
	delete m_pAliases;
}

void AliasEditorWidget::buildFullItemPath(AliasEditorTreeWidgetItem * it,QString &szBuffer)
{
	if (it->isAlias()) it=it->parentItem();
	if (!it) return;
	while(it)
	{
		QString tmp = it->name();
		if(!tmp.isEmpty())
		{
			szBuffer.prepend("::");
			szBuffer.prepend(tmp);
		}
		it = it->parentItem();
	}
}

QString AliasEditorWidget::buildFullItemName(AliasEditorTreeWidgetItem * it)
{
	if(!it) return QString();
	QString szName = it->name();
	AliasEditorTreeWidgetItem * nit = it->parentItem();

	while(nit)
	{
		QString tmp = nit->name();
		if(!tmp.isEmpty())
		{
			szName.prepend("::");
			szName.prepend(tmp);
		}
		nit = nit->parentItem();
	}
	return szName;
}

//FIXME this should be called something like "findNamespace"
AliasEditorTreeWidgetItem * AliasEditorWidget::findTopLevelItem(const QString &szName)
{
	AliasEditorTreeWidgetItem *pItem =0;
	for(int i=0;i<m_pTreeWidget->topLevelItemCount();i++)
	{
		pItem = (AliasEditorTreeWidgetItem*) m_pTreeWidget->topLevelItem(i);
		if (pItem->text(0)==szName && pItem->isNamespace())
			return (AliasEditorTreeWidgetItem*)m_pTreeWidget->topLevelItem(i);
	}
	return 0;
}

AliasEditorTreeWidgetItem * AliasEditorWidget::findItem(const QString &szFullName)
{
	QStringList lNamespaces=szFullName.split("::");
	if(!lNamespaces.count()) return 0;
	AliasEditorTreeWidgetItem *pItem=findTopLevelItem(lNamespaces.at(0));
	if (!pItem) return 0;
	bool bFound;
	int i;
	int j;
	for(i=1;i<lNamespaces.count();i++)
	{
		bFound=false;
		for(j=0;j<pItem->childCount();j++)
		{
			if (KviQString::equalCI(pItem->child(j)->text(0),lNamespaces.at(i)))
			{
				pItem=( AliasEditorTreeWidgetItem *)pItem->child(j);
				bFound=true;
				break;
			}
		}
		if (!bFound) return 0;
	}
	return (AliasEditorTreeWidgetItem *)pItem;
}


AliasEditorTreeWidgetItem * AliasEditorWidget::createFullItem(const QString &szFullName)
{
	QStringList lNamespaces=szFullName.split("::");
	if(!lNamespaces.count()) return 0;
	if (lNamespaces.count()==1) return new AliasEditorTreeWidgetItem(m_pTreeWidget,AliasEditorTreeWidgetItem::Alias,lNamespaces.at(0));
	AliasEditorTreeWidgetItem *pItem=findTopLevelItem(lNamespaces.at(0));
	if (!pItem) pItem=new AliasEditorTreeWidgetItem(m_pTreeWidget,AliasEditorTreeWidgetItem::Namespace,lNamespaces.at(0));
	bool bFound;
	int i;
	for(i=1;i<lNamespaces.count()-1;i++)
	{
		bFound=false;
		for(int j=0;j<pItem->childCount();j++)
		{
			if (KviQString::equalCI(pItem->child(j)->text(0),lNamespaces.at(i)))
			{
				pItem=( AliasEditorTreeWidgetItem *)pItem->child(j);
				bFound=true;
				break;
			}
		}
		if (!bFound)
			pItem=new AliasEditorTreeWidgetItem(pItem,AliasEditorTreeWidgetItem::Namespace,lNamespaces.at(i));
	}
	return new AliasEditorTreeWidgetItem(pItem,AliasEditorTreeWidgetItem::Alias,lNamespaces.at(i));
}


void AliasEditorWidget::oneTimeSetup()
{
	KviPointerHashTable<QString,KviKvsScript> * a = KviKvsAliasManager::instance()->aliasDict();
	if(!a)return;

	KviPointerHashTableIterator<QString,KviKvsScript> it(*a);

	AliasEditorTreeWidgetItem * item;
	while(it.current())
	{
		KviKvsScript * alias = it.current();
		item = createFullItem(alias->name());
		item->setBuffer(alias->code());
		m_pAliases->append(item);
		++it;
	}

	connect(m_pTreeWidget,SIGNAL(currentItemChanged(QTreeWidgetItem *,QTreeWidgetItem *)),this,SLOT(currentItemChanged(QTreeWidgetItem *,QTreeWidgetItem *)));
	m_pTreeWidget->setContextMenuPolicy(Qt::CustomContextMenu);
	connect(m_pTreeWidget,SIGNAL(customContextMenuRequested(const QPoint &)),this,SLOT(customContextMenuRequested(const QPoint &)));
	connect(m_pTreeWidget,SIGNAL(itemChanged(QTreeWidgetItem *,int)),this,SLOT(itemRenamed(QTreeWidgetItem *,int)));
	connect(KviKvsAliasManager::instance(),SIGNAL(aliasRefresh(const QString &)),this,SLOT(aliasRefresh(const QString &)));
	m_pTreeWidget->sortItems(0,Qt::AscendingOrder);
}

void AliasEditorWidget::aliasRefresh(const QString &szName)
{
	if(m_bSaving)
		return;
	AliasEditorTreeWidgetItem * item=0;
	KviKvsScript * alias = KviKvsAliasManager::instance()->aliasDict()->find(szName);

	// search for old alias with same name
	KviPointerList<AliasEditorTreeWidgetItem> l;
	l.setAutoDelete(false);
	appendAllItems(&l,AliasEditorTreeWidgetItem::Alias);
	for(AliasEditorTreeWidgetItem * it = l.first();it;it = l.next())
	{
		if (KviQString::equalCI(buildFullItemName(it),szName))
		{
			item=it;
			break;
		}
	}
	if(!item)
	{
		item = createFullItem(szName);
		m_pAliases->append(item);
	}

	if(item!=m_pLastEditedItem)
	{
		item->setBuffer(alias->code());
		return;
	}
	if(
		QMessageBox::warning(0,__tr2qs_ctx("OverWrite Current Alias","editor"),
				__tr2qs_ctx("An external script has changed the alias you are currently editing. Do you want to accept the external changes?","editor"),
				QMessageBox::Yes,QMessageBox::No|QMessageBox::Default|QMessageBox::Escape) != QMessageBox::Yes
		)
		return;
	item->setBuffer(alias->code());
	m_pEditor->setText(alias->code());
}
void AliasEditorWidget::itemRenamed(QTreeWidgetItem *it,int col)
{
	if(it!=m_pLastEditedItem) return;
	
	((AliasEditorTreeWidgetItem *)it)->setName(it->text(col));
	QString szNam = buildFullItemName((AliasEditorTreeWidgetItem *)it);
	QString szLabelText;
	if(((AliasEditorTreeWidgetItem *)it)->isNamespace())
		szLabelText = __tr2qs_ctx("Namespace","editor");
	else
		szLabelText = __tr2qs_ctx("Alias","editor");
	szLabelText += ": <b>";
	szLabelText += szNam;
	szLabelText += "</b>";
	m_pNameLabel->setText(szLabelText);
}



bool AliasEditorWidget::hasSelectedItems()
	{
	return m_pTreeWidget->selectedItems().count()?1:0;
}

bool AliasEditorWidget::itemExists(QTreeWidgetItem *pSearchFor)
{
	if(!pSearchFor)return false;
	if (m_pAliases->findRef((AliasEditorTreeWidgetItem*) pSearchFor)!=-1) return true;
	else return false;
}

void AliasEditorWidget::appendAllItems(KviPointerList<AliasEditorTreeWidgetItem> * l,AliasEditorTreeWidgetItem::Type eType)
{
	for (int i=0;i<m_pTreeWidget->topLevelItemCount();i++)
	{
		if (((AliasEditorTreeWidgetItem *)m_pTreeWidget->topLevelItem(i))->type()==eType)
		{
			l->append(((AliasEditorTreeWidgetItem *)m_pTreeWidget->topLevelItem(i)));
		} else {
			appendAllItemsRecursive(l,m_pTreeWidget->topLevelItem(i),eType);
		}
	}
}

void AliasEditorWidget::appendAllItemsRecursive(KviPointerList<AliasEditorTreeWidgetItem> * l,QTreeWidgetItem * pStartFrom,AliasEditorTreeWidgetItem::Type eType)
{
	for (int i=0;i<pStartFrom->childCount();i++)
	{
		if (((AliasEditorTreeWidgetItem *)pStartFrom->child(i))->type()==eType)
		{
			l->append((AliasEditorTreeWidgetItem *)pStartFrom->child(i));
		} else {
			appendAllItemsRecursive(l,pStartFrom->child(i),eType);
		}
	}
}

bool AliasEditorWidget::aliasExists(QString &szFullItemName)
{
	KviPointerList<AliasEditorTreeWidgetItem> l;
	l.setAutoDelete(false);
	appendAllItems(&l,AliasEditorTreeWidgetItem::Alias);
	for(AliasEditorTreeWidgetItem * it = l.first();it;it = l.next())
	{
		if (KviQString::equalCI(buildFullItemName(it),szFullItemName))
		{
			return true;
		}
	}
	return false;
}

bool AliasEditorWidget::namespaceExists(QString &szFullItemName)
{
	KviPointerList<AliasEditorTreeWidgetItem> l;
	l.setAutoDelete(false);

	appendAllItems(&l,AliasEditorTreeWidgetItem::Namespace);
	for(AliasEditorTreeWidgetItem * it = l.first();it;it = l.next())
	{
		if (KviQString::equalCI(buildFullItemName(it),szFullItemName))
		{
			return true;
		}
	}
	return false;
}
void AliasEditorWidget::renameItem()
{
	if(!m_pLastEditedItem)return;
	//if(itemExists(m_pLastEditedItem))return; // dead ?
	QString szName = buildFullItemName(m_pLastEditedItem);
	QString szNewName;

	bool bAlias = m_pLastEditedItem->isAlias();

	if(bAlias)
		szNewName = askForAliasName(__tr2qs_ctx("Rename Alias","editor"),__tr2qs_ctx("Please enter the new name for the alias","editor"),szName);
	else
		szNewName = askForNamespaceName(__tr2qs_ctx("Rename Namespace","editor"),__tr2qs_ctx("Please enter the new name for the namespace","editor"),szName);
	if(szNewName.isEmpty())return;

	if(szName == szNewName)return;

	// check if there is already an alias with this name
	if (bAlias)
	{
		if (aliasExists(szNewName))
		{
			g_pAliasEditorModule->lock();
			QMessageBox::information(this,
				__tr2qs_ctx("Alias already exists","editor"),
				__tr2qs_ctx("This name is already in use. Please choose another one.","editor"),
				__tr2qs_ctx("Ok, Let me try again...","editor"));
			g_pAliasEditorModule->unlock();
			return;
		}
	} else {
	// check if there is already a namespace with this name
		if (namespaceExists(szNewName))
		{
			g_pAliasEditorModule->lock();
			QMessageBox::information(this,
				__tr2qs_ctx("Namespace already exists","editor"),
				__tr2qs_ctx("This name is already in use. Please choose another one.","editor"),
				__tr2qs_ctx("Ok, Let me try again...","editor"));
			g_pAliasEditorModule->unlock();
			return;
		}
	}

	QString szCode;
	int pntCursor;
	if(bAlias)
	{
		m_pEditor->getText(szCode);
		pntCursor = m_pEditor->getCursor();
	}
	QList<QTreeWidgetItem*> lChildren= m_pLastEditedItem->takeChildren();
	bool bYesToAll = true;
	removeItem(m_pLastEditedItem,&bYesToAll,true);

	m_pLastEditedItem = 0; // make sure it's true (but it already should be because of removeItem())
	m_pLastClickedItem = 0; // make sure it's true (but it already should be because of removeItem())
	AliasEditorTreeWidgetItem * pItem = createFullItem(szNewName);
	if(bAlias)
	{
		pItem->setBuffer(szCode);
		pItem->setCursorPosition(pntCursor);

	} else {
		for(int i=0;i<lChildren.count();i++)
		{
			((AliasEditorTreeWidgetItem*)lChildren.at(i))->setParentItem(pItem);
			pItem->insertChild(pItem->childCount(),lChildren.at(i));
		}

	}
	activateItem(pItem);
	m_pAliases->append(pItem);
}

// warning: this saves ONLY the body, not the name!
//          the name is changed explicitly with renameItem(), when needed

void AliasEditorWidget::saveLastEditedItem()
{
	if(!m_pLastEditedItem)
		return;
	if(!itemExists(m_pLastEditedItem) || !m_pEditor->isModified() || m_pLastEditedItem->isNamespace())
		return;
	((AliasEditorTreeWidgetItem *)m_pLastEditedItem)->setCursorPosition(m_pEditor->getCursor());
	QString newCode;
	m_pEditor->getText(newCode);
	((AliasEditorTreeWidgetItem *)m_pLastEditedItem)->setBuffer(newCode);
}

void AliasEditorWidget::currentItemChanged(QTreeWidgetItem *it,QTreeWidgetItem *)
{
	saveLastEditedItem();
	m_pLastEditedItem = (AliasEditorTreeWidgetItem *)it;

	if(!m_pLastEditedItem)
	{
		m_pNameLabel->setText(__tr2qs_ctx("No item selected","editor"));
		m_pRenameButton->setEnabled(false);
		m_pEditor->setText("");
		m_pEditor->setEnabled(false);
		return;
	}

	QString szNam = buildFullItemName(m_pLastEditedItem);
	if(m_pLastEditedItem->isNamespace())
	{
		QString szLabelText = __tr2qs_ctx("Namespace","editor");
		szLabelText += ": <b>";
		szLabelText += szNam;
		szLabelText += "</b>";
		m_pNameLabel->setText(szLabelText);
		m_pRenameButton->setEnabled(true);
		m_pEditor->setText("");
		m_pEditor->setEnabled(false);
		m_pTreeWidget->setFocus();
		return;
	}

	QString szLabelText = __tr2qs_ctx("Alias","editor");
	szLabelText += ": <b>";
	szLabelText += szNam;
	szLabelText += "</b>";
	m_pNameLabel->setText(szLabelText);
	m_pRenameButton->setEnabled(true);
	m_pEditor->setText(((AliasEditorTreeWidgetItem *)it)->buffer());

	m_pEditor->setFocus();
	m_pEditor->setCursorPosition(((AliasEditorTreeWidgetItem *)it)->cursorPosition());
	m_pEditor->setEnabled(true);
}


void AliasEditorWidget::customContextMenuRequested(const QPoint pnt)
{
	m_pContextPopup->clear();
	m_pLastClickedItem = (AliasEditorTreeWidgetItem *)m_pTreeWidget->itemAt(pnt);

	int id;

	m_pContextPopup->insertItem(
			*(g_pIconManager->getSmallIcon(KviIconManager::Alias)),
			__tr2qs_ctx("Add Alias","editor"),
			this,SLOT(newAlias()));

	m_pContextPopup->insertItem(
			*(g_pIconManager->getSmallIcon(KviIconManager::Alias)),
			__tr2qs_ctx("Add Namespace","editor"),
			this,SLOT(newNamespace()));

	bool bHasItems = m_pTreeWidget->topLevelItemCount();
	bool bHasSelected = hasSelectedItems();

	m_pContextPopup->insertSeparator();

	id = m_pContextPopup->insertItem(
			*(g_pIconManager->getSmallIcon(KviIconManager::Quit)),
			__tr2qs_ctx("Remove Selected","editor"),
			this,SLOT(removeSelectedItems()));
	m_pContextPopup->setItemEnabled(id,bHasSelected);

	m_pContextPopup->insertSeparator();

	m_pContextPopup->insertItem(
			*(g_pIconManager->getSmallIcon(KviIconManager::Folder)),
			__tr2qs_ctx("Export Selected...","editor"),
			this,SLOT(exportSelected()));
	m_pContextPopup->setItemEnabled(id,bHasSelected);

	m_pContextPopup->insertItem(
			*(g_pIconManager->getSmallIcon(KviIconManager::Folder)),
			__tr2qs_ctx("Export Selected in singles files...","editor"),
			this,SLOT(exportSelectedSepFiles()));

	m_pContextPopup->setItemEnabled(id,bHasSelected);

	m_pContextPopup->insertItem(
			*(g_pIconManager->getSmallIcon(KviIconManager::Folder)),
			__tr2qs_ctx("Export All...","editor"),
			this,SLOT(exportAll()));
	m_pContextPopup->setItemEnabled(id,bHasItems);

	m_pContextPopup->insertSeparator();

	m_pContextPopup->insertItem(
			*(g_pIconManager->getSmallIcon(KviIconManager::Search)),
			__tr2qs_ctx("Find In Aliases...","editor"),
			this,SLOT(slotFind()));
	m_pContextPopup->setItemEnabled(id,bHasItems);

	m_pContextPopup->insertItem(
			*(g_pIconManager->getSmallIcon(KviIconManager::NameSpace)),
			__tr2qs_ctx("Collapse All Namespaces","editor"),
			this,SLOT(slotCollapseNamespaces()));

	m_pContextPopup->setItemEnabled(id,bHasItems);
	m_pContextPopup->popup( m_pTreeWidget->mapToGlobal(pnt));
}

void AliasEditorWidget::searchReplace(const QString &szSearch,bool bReplace,const QString &szReplace)
{
	for(unsigned int i=0;i<m_pAliases->count();i++)
	{
		AliasEditorTreeWidgetItem *pItem=m_pAliases->at(i);
		if(pItem->buffer().indexOf(szSearch,0,Qt::CaseInsensitive) != -1)
		{
			pItem->setBackground(0, QColor(255,0,0,128));
			if (bReplace) ((QString &)pItem->buffer()).replace(szSearch,szReplace,Qt::CaseInsensitive);
			openParentItems(pItem);
		} else {
			pItem->setBackground(0, QColor(255,255,255));
		}
	}
}

void AliasEditorWidget::slotFind()
{

	g_pAliasEditorModule->lock();
	bool bOk;

	QString szSearch = QInputDialog::getText(this,
		__tr2qs_ctx("Find In Aliases","editor"),
		__tr2qs_ctx("Please enter the text to be searched for. The matching aliases will be highlighted.","editor"),
		QLineEdit::Normal,
		"",
		&bOk);

	g_pAliasEditorModule->unlock();
	if(!bOk)return;
	if(szSearch.isEmpty())return;
	m_pEditor->setFindText(szSearch);
	searchReplace(szSearch);
}

void AliasEditorWidget::slotFindWord(const QString &szSearch)
{
	m_pEditor->setFindText(szSearch);
}

void AliasEditorWidget::recursiveCollapseNamespaces(AliasEditorTreeWidgetItem * it)
{
	if(!it)return;
	for (int i=0;i<it->childCount();i++)
	{
		if(it->child(i)->childCount())
		{
			it->child(i)->setExpanded(false);
			recursiveCollapseNamespaces((AliasEditorTreeWidgetItem *)it->child(i));
		}
	}
}

void AliasEditorWidget::slotCollapseNamespaces()
{
	for (int i=0;i<m_pTreeWidget->topLevelItemCount();i++)
	{
		if (m_pTreeWidget->topLevelItem(i)->childCount()){
			m_pTreeWidget->topLevelItem(i)->setExpanded(false);
			recursiveCollapseNamespaces((AliasEditorTreeWidgetItem *)m_pTreeWidget->topLevelItem(i));
		}
	}
}

void AliasEditorWidget::slotReplaceAll(const QString &szFind,const QString &szReplace)
{
	m_pEditor->setFindText(szReplace);
	searchReplace(szFind,true,szReplace);
}

void AliasEditorWidget::getExportAliasBuffer(QString &buffer,AliasEditorTreeWidgetItem * it)
{
	QString szBuf = it->buffer();
	KviCommandFormatter::blockFromBuffer(szBuf);
	QString szNam = buildFullItemName(it);

	buffer = "alias(";
	buffer += szNam;
	buffer += ")\n";
	buffer += szBuf;
	buffer += "\n";
}

void AliasEditorWidget::exportAll()
{
	exportAliases(false);
}

void AliasEditorWidget::exportSelectedSepFiles()
{
	exportAliases (true,true);
}

void AliasEditorWidget::exportSelected()
{
	exportAliases(true);
}

void AliasEditorWidget::exportSelectionInSinglesFiles(KviPointerList<AliasEditorTreeWidgetItem> *l)
{
	if(!m_szDir.endsWith(QString(KVI_PATH_SEPARATOR)))m_szDir += KVI_PATH_SEPARATOR;
	if (!l->first())
	{
		g_pAliasEditorModule->lock();
		QMessageBox::warning(this,__tr2qs_ctx("Alias Export","editor"),__tr2qs_ctx("There is no selection!","editor"),__tr2qs_ctx("OK","editor"));
		g_pAliasEditorModule->unlock();
		return;
	}
	g_pAliasEditorModule->lock();

	if(!KviFileDialog::askForDirectoryName(m_szDir,__tr2qs_ctx("Choose a Directory - KVIrc","editor"),m_szDir)){
		g_pAliasEditorModule->unlock();
		return;
	}

	if(!m_szDir.endsWith(QString(KVI_PATH_SEPARATOR)))m_szDir += KVI_PATH_SEPARATOR;

	bool bReplaceAll=false;

        for(AliasEditorTreeWidgetItem * it = l->first();it;it = l->next())
	{
		QString tmp;
		getExportAliasBuffer(tmp,it);
		QString szFileName=buildFullItemName(it);
		szFileName += ".kvs";
		szFileName.replace("::","_");
		QString szCompletePath=m_szDir+szFileName;
		if (KviFileUtils::fileExists(szCompletePath) && !bReplaceAll)
		{
			QString szMsg;
			szMsg = QString(__tr2qs_ctx("The file \"%1\" exists. Do you want to replace it?","editor")).arg(szFileName);
			int ret = QMessageBox::question(this,__tr2qs_ctx("Replace file","editor"),szMsg,__tr2qs_ctx("Yes","editor"),__tr2qs_ctx("Yes to All","editor"),__tr2qs_ctx("No","editor"));
			if (ret!=2)
			{
				KviFileUtils::writeFile(szCompletePath,tmp);
				if (ret==1) bReplaceAll=true;
			}
		} else {
			KviFileUtils::writeFile(szCompletePath,tmp);
		}
	}
	g_pAliasEditorModule->unlock();
}

void AliasEditorWidget::exportAliases(bool bSelectedOnly,bool bSingleFiles)
{
	saveLastEditedItem();

	KviPointerList<AliasEditorTreeWidgetItem> l;
	l.setAutoDelete(false);

	if (bSelectedOnly) appendSelectedAliasItems(&l);
	if (bSingleFiles)
	{
		exportSelectionInSinglesFiles(&l);
		return;
	}
	QString szOut;
	int count;

	if (bSelectedOnly)
	{
		count=l.count();
		buildAliasesFile(&l,szOut);
	} else {
		count=m_pAliases->count();
		buildAliasesFile(m_pAliases,szOut);
	}
	QString szNameFile;
	if(szOut.isEmpty())
	{
		g_pAliasEditorModule->lock();
		QMessageBox::warning(this,__tr2qs_ctx("Alias Export","editor"),__tr2qs_ctx("The exported file would be empty: cowardly refusing to write it","editor"),__tr2qs_ctx("OK","editor"));
		g_pAliasEditorModule->unlock();
		return;
	}

	QString szName = m_szDir;

	if(!szName.endsWith(QString(KVI_PATH_SEPARATOR)))szName += KVI_PATH_SEPARATOR;
	QString szFile;
	g_pAliasEditorModule->lock();

	if (count==1)
	{
		QString tmp=buildFullItemName(l.at(0));
		szNameFile = tmp.replace("::","_");
	} else {
		szNameFile="aliases";
	}
	szName += szNameFile;
	szName += ".kvs";
	if(!KviFileDialog::askForSaveFileName(szFile,__tr2qs_ctx("Choose a Filename - KVIrc","editor"),szName,KVI_FILTER_SCRIPT,false,true,true))
	{
		g_pAliasEditorModule->unlock();
		return;
	}
	m_szDir=QFileInfo(szFile).absolutePath();
	g_pAliasEditorModule->unlock();

	if(!KviFileUtils::writeFile(szFile,szOut))
	{
		g_pAliasEditorModule->lock();
		QMessageBox::warning(this,__tr2qs_ctx("Write Failed - KVIrc","editor"),__tr2qs_ctx("Unable to write to the alias file.","editor"),__tr2qs_ctx("OK","editor"));
		g_pAliasEditorModule->unlock();
	}
}
void AliasEditorWidget::buildAliasesFile(KviPointerList<AliasEditorTreeWidgetItem> *l, QString & szBuffer)
{
	for(AliasEditorTreeWidgetItem * it = l->first();it;it = l->next())
	{
		QString tmp;
		getExportAliasBuffer(tmp,it);
		szBuffer += tmp;
		szBuffer += "\n";
	}
}

void AliasEditorWidget::saveProperties(KviConfigurationFile *cfg)
{
	cfg->writeEntry("Sizes",m_pSplitter->sizes());
	QString szName;
	if(m_pLastEditedItem)
		szName = buildFullItemName(m_pLastEditedItem);
	cfg->writeEntry("LastAlias",szName);
}

void AliasEditorWidget::loadProperties(KviConfigurationFile *cfg)
{
	QList<int> def;
	def.append(20);
	def.append(80);
	m_pSplitter->setSizes(cfg->readIntListEntry("Sizes",def));
	QString tmp = cfg->readEntry("LastAlias",QString());

	AliasEditorTreeWidgetItem * it = findItem(tmp);
	activateItem(it);
}

void AliasEditorWidget::appendSelectedAliasItems(KviPointerList<AliasEditorTreeWidgetItem> * l)
{
	QList<QTreeWidgetItem *> list=m_pTreeWidget->selectedItems();
	for(int i=0;i<list.count();i++)
	{
		if (((AliasEditorTreeWidgetItem *)list.at(i))->isAlias())
		{
			l->append((AliasEditorTreeWidgetItem *)list.at(i));
		} else {
			appendSelectedAliasItemsRecursive(l,list.at(i));
		}
	}
}
void AliasEditorWidget::appendSelectedAliasItemsRecursive(KviPointerList<AliasEditorTreeWidgetItem> * l,QTreeWidgetItem * pStartFrom)
{
	for (int i=0;i<pStartFrom->childCount();i++)
	{
		if (((AliasEditorTreeWidgetItem *)pStartFrom->child(i))->isAlias())
			l->append(((AliasEditorTreeWidgetItem *)pStartFrom->child(i)));
		else
			appendSelectedAliasItemsRecursive(l,pStartFrom->child(i));
	}
}


void AliasEditorWidget::appendSelectedItems(KviPointerList<AliasEditorTreeWidgetItem> * l)
{
	QList<QTreeWidgetItem *> list=m_pTreeWidget->selectedItems();
	for(int i=0;i<list.count();i++)
	{
		l->append((AliasEditorTreeWidgetItem *)list.at(i));
		/* if (!((AliasEditorTreeWidgetItem *)list.at(i))->isAlias())
			appendSelectedAliasItemsRecursive(l,list.at(i));*/
	}

}
void AliasEditorWidget::appendSelectedItemsRecursive(KviPointerList<AliasEditorTreeWidgetItem> * l,QTreeWidgetItem * pStartFrom)
{
	for (int i=0;i<pStartFrom->childCount();i++)
	{
		l->append(((AliasEditorTreeWidgetItem *)pStartFrom->child(i)));
		if (!((AliasEditorTreeWidgetItem *)pStartFrom->child(i))->isAlias())
			appendSelectedAliasItemsRecursive(l,pStartFrom->child(i));
	}
}

void AliasEditorWidget::removeItemChildren(AliasEditorTreeWidgetItem *it)
{
	while(it->childCount() > 0)
	{
		AliasEditorTreeWidgetItem * pChild = (AliasEditorTreeWidgetItem *)(it->child(0));
		if(pChild->childCount())
			removeItemChildren(pChild);
		delete pChild;
		m_pAliases->removeRef(pChild);
	}
}

bool AliasEditorWidget::removeItem(AliasEditorTreeWidgetItem *it,bool * pbYesToAll,bool)
{
	if(!it)return true;
	QString szMsg;
	QString szName = it->name();

	if(!*pbYesToAll)
	{
		if(it->isAlias())
			szMsg = QString(__tr2qs_ctx("Do you really want to remove the alias \"%1\"?","editor")).arg(szName);
		else {
			szMsg = QString(__tr2qs_ctx("Do you really want to remove the namespace \"%1\"?","editor")).arg(szName);
			szMsg += "<br>";
			szMsg += __tr2qs_ctx("Please note that all the children items will be deleted too.","editor");
		}

		g_pAliasEditorModule->lock();
		int ret = QMessageBox::question(this,__tr2qs_ctx("Remove item","editor"),szMsg,__tr2qs_ctx("Yes","editor"),__tr2qs_ctx("Yes to All","editor"),__tr2qs_ctx("No","editor"));
		g_pAliasEditorModule->unlock();
		switch(ret)
		{
			case 0:
				// nothing
			break;
			case 1:
				*pbYesToAll = true;
			break;
			default:
				return false;
			break;
		}
	}

	if(it == m_pLastEditedItem)
		m_pLastEditedItem = 0;
	if(it == m_pLastClickedItem)
		m_pLastClickedItem = 0;
	if (it->childCount())
		removeItemChildren(it);
	delete it;
	m_pAliases->removeRef(it);
	return true;
}

void AliasEditorWidget::removeSelectedItems()
{
	KviPointerList<AliasEditorTreeWidgetItem> l;
	l.setAutoDelete(false);
	appendSelectedItems(&l);
	bool bYesToAll = false;
	for(AliasEditorTreeWidgetItem *it = l.first();it;it = l.next())
	{
		if(!removeItem(it,&bYesToAll,false))return;
	}
}

QString AliasEditorWidget::askForAliasName(const QString &szAction,const QString &szText,const QString &szInitialText)
{
	bool bOk = false;
	QString szNewName;
	while(szNewName.isEmpty())
	{
		g_pAliasEditorModule->lock();
		szNewName = QInputDialog::getText(this,
						szAction,
						szText,
						QLineEdit::Normal,
						szInitialText,
						&bOk);
		g_pAliasEditorModule->unlock();
		if(!bOk)return QString();
		if(szNewName.isEmpty())
		{
			g_pAliasEditorModule->lock();
			QMessageBox::warning(this,
				__tr2qs_ctx("Missing Alias Name","editor"),
				__tr2qs_ctx("You must specify a valid name for the alias","editor"),
				__tr2qs_ctx("Ok, Let me try again...","editor"));
			g_pAliasEditorModule->unlock();
			continue;
		}

		// we allow only [\w:]+
		QRegExp re("[\\w:]+");
		if(!re.exactMatch(szNewName))
		{
			g_pAliasEditorModule->lock();
			QMessageBox::information(this,
				__tr2qs_ctx("Bad Alias Name","editor"),
				__tr2qs_ctx("Alias names can contain only letters, digits, underscores and '::' namespace separators","editor"),
				__tr2qs_ctx("Ok, Let me try again...","editor"));
			g_pAliasEditorModule->unlock();
			szNewName = "";
			continue;
		}
		// make sure that we have only doubled "::" and not ":" or ":::..."
		QString tmp = szNewName;
		tmp.replace("::","@"); // @ is not allowed by the rule above
		if(tmp.indexOf(":",Qt::CaseInsensitive) != -1)
		{
			g_pAliasEditorModule->lock();
			QMessageBox::information(this,
				__tr2qs_ctx("Bad Alias Name","editor"),
				__tr2qs_ctx("Stray ':' character in alias name: did you mean ...<namespace>::<name> ?","editor"),
				__tr2qs_ctx("Ok, Let me try again...","editor"));
			g_pAliasEditorModule->unlock();
			szNewName = "";
			continue;
		}
		if(tmp.indexOf("@@",Qt::CaseInsensitive) != -1)
		{
			g_pAliasEditorModule->lock();
			QMessageBox::information(this,
				__tr2qs_ctx("Bad Alias Name","editor"),
				__tr2qs_ctx("Found an empty namespace in alias name","editor"),
				__tr2qs_ctx("Ok, Let me try again...","editor"));
			g_pAliasEditorModule->unlock();
			szNewName = "";
			continue;
		}
	}
	return szNewName;
}

QString AliasEditorWidget::askForNamespaceName(const QString &szAction,const QString &szText,const QString &szInitialText)
{
	bool bOk = false;
	QString szNewName;
	while(szNewName.isEmpty())
	{
		g_pAliasEditorModule->lock();
		szNewName = QInputDialog::getText(this,
						szAction,
						szText,
						QLineEdit::Normal,
						szInitialText,
						&bOk);
		g_pAliasEditorModule->unlock();
		if(!bOk)return QString();
		if(szNewName.isEmpty())
		{
			g_pAliasEditorModule->lock();
			QMessageBox::warning(this,
				__tr2qs_ctx("Missing Namespace Name","editor"),
				__tr2qs_ctx("You must specify a valid name for the namespace","editor"),
				__tr2qs_ctx("Ok, Let me try again...","editor"));
			g_pAliasEditorModule->unlock();
			continue;
		}

		// we allow only [\w:]+
		QRegExp re("[\\w:]+");
		if(!re.exactMatch(szNewName))
		{
			g_pAliasEditorModule->lock();
			QMessageBox::information(this,
				__tr2qs_ctx("Bad Namespace Name","editor"),
				__tr2qs_ctx("Namespace names can contain only letters, digits, underscores and '::' namespace separators","editor"),
				__tr2qs_ctx("Ok, Let me try again...","editor"));
			g_pAliasEditorModule->unlock();
			szNewName = "";
			continue;
		}
		// make sure that we have only doubled "::" and not ":" or ":::..."
		QString tmp = szNewName;
		tmp.replace("::","@"); // @ is not allowed by the rule above
		if(tmp.indexOf(":",Qt::CaseInsensitive) != -1)
		{
			g_pAliasEditorModule->lock();
			QMessageBox::information(this,
				__tr2qs_ctx("Bad Namespace Name","editor"),
				__tr2qs_ctx("Stray ':' character in namespace name: did you mean ...<namespace>::<name> ?","editor"),
				__tr2qs_ctx("Ok, Let me try again...","editor"));
			g_pAliasEditorModule->unlock();
			szNewName = "";
			continue;
		}
		if(tmp.indexOf("@@",Qt::CaseInsensitive) != -1)
		{
			g_pAliasEditorModule->lock();
			QMessageBox::information(this,
				__tr2qs_ctx("Bad Namespace Name","editor"),
				__tr2qs_ctx("Found an empty namespace in namespace name","editor"),
				__tr2qs_ctx("Ok, Let me try again...","editor"));
			g_pAliasEditorModule->unlock();
			szNewName = "";
			continue;
		}
	}
	return szNewName;
}

void AliasEditorWidget::openParentItems(QTreeWidgetItem * it)
{
	if(it->parent())
	{
		it->parent()->setExpanded(true);
		openParentItems(it->parent());
	}
}

void AliasEditorWidget::activateItem(QTreeWidgetItem * it)
{
	if (!it) return;
	openParentItems(it);
	m_pTreeWidget->setCurrentItem(it);
}
void AliasEditorWidget::newAlias()
{
	QString szNewName = askForAliasName(__tr2qs_ctx("Add Alias","editor"),__tr2qs_ctx("Please enter the name for the new alias","editor"),"myfunction");
	if(szNewName.isEmpty())return;
	newItem(szNewName,AliasEditorTreeWidgetItem::Alias);
}

void AliasEditorWidget::newNamespace()
{
	QString szName = askForNamespaceName(__tr2qs_ctx("Add Namespace","editor"),__tr2qs_ctx("Please enter the name for the new namespace","editor"),"mynamespace");
	if(szName.isEmpty())return;
	newItem(szName,AliasEditorTreeWidgetItem::Namespace);
}

void  AliasEditorWidget::newItem(QString &szName,AliasEditorTreeWidgetItem::Type eType)
{
	if(m_pLastClickedItem)
		if(!itemExists(m_pLastClickedItem)) m_pLastClickedItem=0;
	if(m_pLastClickedItem) buildFullItemPath(m_pLastClickedItem,szName);
	int idx=1;
	QString szTmp;
	if(findItem(szName)) szName.append("1");
	while(findItem(szName))
	{
		szTmp.setNum(idx);
		szName.chop(szTmp.length());
		szName.append(szTmp);
		idx++;
	}
	AliasEditorTreeWidgetItem * it;
	it=createFullItem(szName);
	it->setType(eType);
	m_pAliases->append(it);
	activateItem(it);
}

void AliasEditorWidget::commit()
{
	m_bSaving = true;
	saveLastEditedItem();
	KviKvsAliasManager::instance()->clear();
	for(unsigned int i=0;i<m_pAliases->count();i++)
	{
		QString szName = buildFullItemName(m_pAliases->at(i));
		KviKvsScript * a = new KviKvsScript(szName,m_pAliases->at(i)->buffer());
		KviKvsAliasManager::instance()->add(szName,a);
	}
	g_pApp->saveAliases();
	m_bSaving = false;
}


AliasEditorWindow::AliasEditorWindow(KviMainWindow * lpFrm)
: KviWindow(KviWindow::ScriptEditor,lpFrm,"aliaseditor",0)
{
	g_pAliasEditorWindow = this;

	setFixedCaption(__tr2qs_ctx("Alias Editor","editor"));

	QGridLayout * g = new QGridLayout();

	m_pEditor = new AliasEditorWidget(this);
	g->addWidget(m_pEditor,0,0,1,4);
	
	QPushButton * btn = new QPushButton(__tr2qs_ctx("&OK","editor"),this);
	connect(btn,SIGNAL(clicked()),this,SLOT(okClicked()));
	btn->setIcon(*(g_pIconManager->getSmallIcon(KviIconManager::Accept)));
	g->addWidget(btn,1,1);

	btn = new QPushButton(__tr2qs_ctx("&Apply","editor"),this);
	connect(btn,SIGNAL(clicked()),this,SLOT(applyClicked()));
	btn->setIcon(*(g_pIconManager->getSmallIcon(KviIconManager::Accept)));
	g->addWidget(btn,1,2);

	btn = new QPushButton(__tr2qs_ctx("Cancel","editor"),this);
	connect(btn,SIGNAL(clicked()),this,SLOT(cancelClicked()));
	btn->setIcon(*(g_pIconManager->getSmallIcon(KviIconManager::Discard)));
	g->addWidget(btn,1,3);

	g->setRowStretch(0,1);
	g->setColumnStretch(0,1);
	setLayout(g);
}

AliasEditorWindow::~AliasEditorWindow()
{
	g_pAliasEditorWindow = 0;
}

void AliasEditorWindow::okClicked()
{
	m_pEditor->commit();
	close();
}

void AliasEditorWindow::applyClicked()
{
	m_pEditor->commit();
}

void AliasEditorWindow::cancelClicked()
{
	close();
}

QPixmap * AliasEditorWindow::myIconPtr()
{
	return g_pIconManager->getSmallIcon(KviIconManager::Alias);
}

void AliasEditorWindow::getConfigGroupName(QString &szName)
{
	szName = "aliaseditor";
}

void AliasEditorWindow::saveProperties(KviConfigurationFile *cfg)
{
	m_pEditor->saveProperties(cfg);
}

void AliasEditorWindow::loadProperties(KviConfigurationFile *cfg)
{
	m_pEditor->loadProperties(cfg);
}
