kwalleteditor.cpp

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/*
   Copyright (C) 2003-2005 George Staikos <staikos@kde.org>
   Copyright (C) 2005 Isaac Clerencia <isaac@warp.es>

   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; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include "kwalleteditor.h"
#include "kbetterthankdialogbase.h"
#include "kwmapeditor.h"
#include "allyourbase.h"

#include <stdlib.h>
#include <QDomElement>
#include <QDomNode>
#include <QDomDocument>
#include <QXmlStreamWriter>
#include <kaction.h>
#include <kdebug.h>
#include <kdialog.h>
#include <kfiledialog.h>
#include <kinputdialog.h>
#include <kio/netaccess.h>
#include <kactioncollection.h>
#include <klocale.h>
#include <kcodecs.h>
#include <kmessagebox.h>
#include <kmenu.h>
#include <ksqueezedtextlabel.h>
#include <kstandarddirs.h>
#include <kstandardaction.h>

#include <ktemporaryfile.h>
#include <kxmlguifactory.h>
#include <QCheckBox>
#include <QClipboard>
#include <QPushButton>
#include <QTimer>
#include <QSet>
#include <QTextStream>
#include <QList>
#include <QVBoxLayout>
#include <QStack>
#include <QToolButton>

#include <assert.h>
#include <ktoolbar.h>
#include <kicon.h>
#include <KAction>
#include <KTreeWidgetSearchLine>

QAction *KWalletEditor::_newFolderAction =0;
QAction *KWalletEditor::_deleteFolderAction =0;
QAction *KWalletEditor::_exportAction =0;
QAction *KWalletEditor::_saveAsAction =0;
QAction *KWalletEditor::_mergeAction =0;
QAction *KWalletEditor::_importAction =0;
KAction *KWalletEditor::_newEntryAction =0;
KAction *KWalletEditor::_renameEntryAction =0;
KAction *KWalletEditor::_deleteEntryAction =0;
KAction *KWalletEditor::_copyPassAction =0;
QAction *KWalletEditor::_alwaysShowContentsAction =0;
QAction *KWalletEditor::_alwaysHideContentsAction =0;

RegisterCreateActionsMethod KWalletEditor::_registerCreateActionMethod(&KWalletEditor::createActions);


KWalletEditor::KWalletEditor(QWidget* parent, const char *name)
: QWidget(parent), _displayedItem(0), _actionCollection(0), _alwaysShowContents(false) {
    setupUi( this );
    setObjectName( QLatin1String( name ) );
    _newWallet = false;
    _splitter->setStretchFactor(0, 1);
    _splitter->setStretchFactor(1, 2);
    _contextMenu = new KMenu(this);

    _undoChanges->setIcon(KIcon( QLatin1String( "edit-undo" )));
    _saveChanges->setIcon(KIcon( QLatin1String( "document-save" )));

    QVBoxLayout *box = new QVBoxLayout(_entryListFrame);
    box->setMargin(0);
    _entryList = new KWalletEntryList(_entryListFrame, "Wallet Entry List");
    _entryList->setContextMenuPolicy(Qt::CustomContextMenu);
    _searchLine = new KTreeWidgetSearchLine(_entryListFrame, _entryList);
    _searchLine->setClickMessage(i18n("Search"));
    connect(_searchLine, SIGNAL(textChanged(QString)), this, SLOT(onSearchTextChanged(QString)));
    box->addWidget(_searchLine);
    box->addWidget(_entryList);

    _entryStack->setEnabled(true);

    box = new QVBoxLayout(_entryStack->widget(2));
    box->setMargin(0);
    _mapEditorShowHide = new QCheckBox(i18n("&Show values"), _entryStack->widget(2));
    connect(_mapEditorShowHide, SIGNAL(toggled(bool)), this, SLOT(showHideMapEditorValue(bool)));
    _mapEditor = new KWMapEditor(_currentMap, _entryStack->widget(2));
    box->addWidget(_mapEditorShowHide);
    box->addWidget(_mapEditor);

    // load splitter size
    KConfigGroup cg(KGlobal::config(), "WalletEditor");
    QList<int> splitterSize = cg.readEntry("SplitterSize", QList<int>());
    if (splitterSize.size() != 2) {
        splitterSize.clear();
        splitterSize.append(_splitter->width()/2);
        splitterSize.append(_splitter->width()/2);
    }
    _splitter->setSizes(splitterSize);
    _alwaysShowContents = cg.readEntry("AlwaysShowContents", false);

    _searchLine->setFocus();

    connect(_entryList, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)),
        this, SLOT(entrySelectionChanged(QTreeWidgetItem*)));
    connect(_entryList,
        SIGNAL(customContextMenuRequested(QPoint)),
        this,
        SLOT(listContextMenuRequested(QPoint)));
    connect(_entryList,
        SIGNAL(itemChanged(QTreeWidgetItem*,int)),
        this,
        SLOT(listItemChanged(QTreeWidgetItem*,int)));

    connect(_passwordValue, SIGNAL(textChanged()),
        this, SLOT(entryEditted()));
    connect(_mapEditor, SIGNAL(dirty()),
        this, SLOT(entryEditted()));

    connect(_undoChanges, SIGNAL(clicked()),
        this, SLOT(restoreEntry()));
    connect(_saveChanges, SIGNAL(clicked()),
        this, SLOT(saveEntry()));

    connect(_showContents, SIGNAL(clicked()),
        this, SLOT(showPasswordContents()));
    connect(_hideContents, SIGNAL(clicked()),
        this, SLOT(hidePasswordContents()));

//  createActions();
    // TODO: remove kwalleteditor.rc file
}

KWalletEditor::~KWalletEditor() {
    emit enableFolderActions(false);
    emit enableWalletActions(false);
    emit enableContextFolderActions(false);
    // save splitter size
    KConfigGroup cg(KGlobal::config(), "WalletEditor");
    cg.writeEntry("SplitterSize", _splitter->sizes());
    cg.writeEntry("AlwaysShowContents", _alwaysShowContents);
    cg.sync();

    delete _w;
    _w = 0L;
    if (_nonLocal) {
        KWallet::Wallet::closeWallet(_walletName, true);
    }
    delete _contextMenu;
    _contextMenu = NULL;
}

void KWalletEditor::setWallet(KWallet::Wallet* wallet, bool isPath)
{
    Q_ASSERT(wallet != 0);
    _walletName = wallet->walletName();
    _nonLocal = isPath;

    _w = wallet;
    _entryList->setWallet(_w);
    connect(_w, SIGNAL(walletOpened(bool)), this, SLOT(walletOpened(bool)));
    connect(_w, SIGNAL(walletClosed()), this, SLOT(walletClosed()));
    connect(_w, SIGNAL(folderUpdated(QString)), this, SLOT(updateEntries(QString)));
    connect(_w, SIGNAL(folderListUpdated()), this, SLOT(updateFolderList()));
    updateFolderList();

    emit enableFolderActions(true);
    emit enableWalletActions(true);
    emit enableContextFolderActions(true);

    _mapEditorShowHide->setChecked(false);
    showHideMapEditorValue(false);

    setFocus();
    _searchLine->setFocus();
}

KActionCollection* KWalletEditor::actionCollection()
{
    if (_actionCollection == 0) {
        _actionCollection = new KActionCollection(this);
    }
    return _actionCollection;
}

void KWalletEditor::createActions(KActionCollection* actionCollection) {
        _newFolderAction = actionCollection->addAction( QLatin1String( "create_folder" ));
        _newFolderAction->setText( i18n("&New Folder...") );
        _newFolderAction->setIcon( KIcon( QLatin1String( "folder-new" )) );

        _deleteFolderAction = actionCollection->addAction( QLatin1String( "delete_folder" ) );
        _deleteFolderAction->setText( i18n("&Delete Folder") );

        _mergeAction = actionCollection->addAction( QLatin1String(  "wallet_merge" ));
        _mergeAction->setText( i18n("&Import Wallet...") );

        _importAction= actionCollection->addAction( QLatin1String(  "wallet_import" ) );
        _importAction->setText( i18n("&Import XML...") );

        _exportAction = actionCollection->addAction( QLatin1String(  "wallet_export" ) );
        _exportAction->setText( i18n("&Export as XML...") );

    _saveAsAction = KStandardAction::saveAs(0, 0, actionCollection);

    _copyPassAction = actionCollection->addAction( QLatin1String( "copy_action" ) );
    _copyPassAction->setText( i18n("&Copy") );
    _copyPassAction->setShortcut( Qt::Key_C + Qt::CTRL );
    _copyPassAction->setEnabled(false);

    _newEntryAction = actionCollection->addAction( QLatin1String(  "new_entry" ) );
    _newEntryAction->setText( i18n( "&New..." ) );
    _newEntryAction->setShortcut( Qt::Key_Insert );
    _newEntryAction->setEnabled(false);

    _renameEntryAction = actionCollection->addAction( QLatin1String(  "rename_entry" ) );
    _renameEntryAction->setText( i18n( "&Rename" ) );
    _renameEntryAction->setShortcut( Qt::Key_F2 );
    _renameEntryAction->setEnabled(false);

    _deleteEntryAction = actionCollection->addAction( QLatin1String(  "delete_entry" ) );
    _deleteEntryAction->setText( i18n( "&Delete" ) );
    _deleteEntryAction->setShortcut( Qt::Key_Delete );
    _deleteEntryAction->setEnabled(false);

    _alwaysShowContentsAction = actionCollection->addAction( QLatin1String( "always_show_contents" ));
    _alwaysShowContentsAction->setText( i18n("Always show contents") );
    _alwaysShowContentsAction->setCheckable(true);

    _alwaysHideContentsAction = actionCollection->addAction( QLatin1String( "always_hide_contents") );
    _alwaysHideContentsAction->setText( i18n("Always hide contents") );
    _alwaysHideContentsAction->setCheckable(true);
}

void KWalletEditor::connectActions()
{
    connect(_newFolderAction, SIGNAL(triggered(bool)), SLOT(createFolder()));
    connect(this, SIGNAL(enableFolderActions(bool)), _newFolderAction, SLOT(setEnabled(bool)));

    connect(_deleteFolderAction, SIGNAL(triggered(bool)), SLOT(deleteFolder()));
    connect(this, SIGNAL(enableContextFolderActions(bool)), _deleteFolderAction, SLOT(setEnabled(bool)));
    connect(this, SIGNAL(enableFolderActions(bool)), _deleteFolderAction, SLOT(setEnabled(bool)));

    connect(_mergeAction, SIGNAL(triggered(bool)), SLOT(importWallet()));
    connect(this, SIGNAL(enableWalletActions(bool)), _mergeAction, SLOT(setEnabled(bool)));

    connect(_importAction, SIGNAL(triggered(bool)), SLOT(importXML()));
    connect(this, SIGNAL(enableWalletActions(bool)), _importAction, SLOT(setEnabled(bool)));

    connect(_exportAction, SIGNAL(triggered(bool)), SLOT(exportXML()));
    connect(this, SIGNAL(enableWalletActions(bool)), _exportAction, SLOT(setEnabled(bool)));

    connect(_saveAsAction, SIGNAL(triggered(bool)), SLOT(saveAs()));
    connect(this, SIGNAL(enableWalletActions(bool)), _saveAsAction, SLOT(setEnabled(bool)));

    connect(_newEntryAction, SIGNAL(triggered(bool)), SLOT(newEntry()));

    connect(_renameEntryAction, SIGNAL(triggered(bool)), SLOT(renameEntry()));

    connect(_deleteEntryAction, SIGNAL(triggered(bool)), SLOT(deleteEntry()));

    connect(_copyPassAction, SIGNAL(triggered(bool)), SLOT(copyPassword()));
    connect(this, SIGNAL(enableWalletActions(bool)), _copyPassAction, SLOT(setEnabled(bool)));

    _showContents->addAction(_alwaysShowContentsAction);
    _alwaysShowContentsAction->setChecked(_alwaysShowContents);
    connect(_alwaysShowContentsAction, SIGNAL(triggered(bool)), SLOT(onAlwaysShowContents(bool)));

    _hideContents->addAction(_alwaysHideContentsAction);
    _alwaysHideContentsAction->setChecked(!_alwaysShowContents);
    connect(_alwaysHideContentsAction, SIGNAL(triggered(bool)), SLOT(onAlwaysHideContents(bool)));
}

void KWalletEditor::disconnectActions()
{
    disconnect(_newFolderAction, SIGNAL(triggered(bool)), this, SLOT(createFolder()));
    disconnect(this, SIGNAL(enableFolderActions(bool)), _newFolderAction, SLOT(setEnabled(bool)));

    disconnect(_deleteFolderAction, SIGNAL(triggered(bool)), this, SLOT(deleteFolder()));
    disconnect(this, SIGNAL(enableContextFolderActions(bool)), _deleteFolderAction, SLOT(setEnabled(bool)));
    disconnect(this, SIGNAL(enableFolderActions(bool)), _deleteFolderAction, SLOT(setEnabled(bool)));

    disconnect(_mergeAction, SIGNAL(triggered(bool)), this, SLOT(importWallet()));
    disconnect(this, SIGNAL(enableWalletActions(bool)), _mergeAction, SLOT(setEnabled(bool)));

    disconnect(_importAction, SIGNAL(triggered(bool)), this, SLOT(importXML()));
    disconnect(this, SIGNAL(enableWalletActions(bool)), _importAction, SLOT(setEnabled(bool)));

    disconnect(_exportAction, SIGNAL(triggered(bool)), this, SLOT(exportXML()));
    disconnect(this, SIGNAL(enableWalletActions(bool)), _exportAction, SLOT(setEnabled(bool)));

    disconnect(_saveAsAction, SIGNAL(triggered(bool)), this, SLOT(saveAs()));
    disconnect(this, SIGNAL(enableWalletActions(bool)), _saveAsAction, SLOT(setEnabled(bool)));

    disconnect(_newEntryAction, SIGNAL(triggered(bool)), this, SLOT(newEntry()));

    disconnect(_renameEntryAction, SIGNAL(triggered(bool)), this, SLOT(renameEntry()));

    disconnect(_deleteEntryAction, SIGNAL(triggered(bool)), this, SLOT(deleteEntry()));

    disconnect(_copyPassAction, SIGNAL(triggered(bool)), this, SLOT(copyPassword()));
    disconnect(this, SIGNAL(enableWalletActions(bool)), _copyPassAction, SLOT(setEnabled(bool)));

    disconnect(_alwaysShowContentsAction, SIGNAL(triggered(bool)), this, SLOT(onAlwaysShowContents(bool)));
    disconnect(_alwaysHideContentsAction, SIGNAL(triggered(bool)), this, SLOT(onAlwaysHideContents(bool)));
}

void KWalletEditor::walletClosed() {
    _w = 0L;
    setEnabled(false);
    emit enableWalletActions(false);
    emit enableFolderActions(false);
}


void KWalletEditor::updateFolderList(bool checkEntries) {
    const QStringList fl = _w->folderList();
    QStack<QTreeWidgetItem*> trash;

    for (int i = 0; i < _entryList->topLevelItemCount(); ++i) {
        KWalletFolderItem *fi = dynamic_cast<KWalletFolderItem *>(_entryList->topLevelItem(i));
        if (!fi) {
            continue;
        }
        if (!fl.contains(fi->name())) {
            trash.push(fi);
        }
    }

    qDeleteAll(trash);
    trash.clear();

    for (QStringList::const_iterator i = fl.begin(); i != fl.end(); ++i) {
        if (_entryList->existsFolder(*i)) {
            if (checkEntries) {
                updateEntries(*i);
            }
            continue;
        }

        _w->setFolder(*i);
        const QStringList entries = _w->entryList();
        KWalletFolderItem *item = new KWalletFolderItem(_w,_entryList, *i, entries.count());

        KWalletContainerItem *pi = new KWalletContainerItem(item, i18n("Passwords"),KWallet::Wallet::Password);
        KWalletContainerItem *mi = new KWalletContainerItem(item, i18n("Maps"),KWallet::Wallet::Map);
        KWalletContainerItem *bi = new KWalletContainerItem(item, i18n("Binary Data"),KWallet::Wallet::Stream);
        KWalletContainerItem *ui = new KWalletContainerItem(item, i18n("Unknown"),KWallet::Wallet::Unknown);

        for (QStringList::const_iterator j = entries.begin(); j != entries.end(); ++j) {
            switch (_w->entryType(*j)) {
                case KWallet::Wallet::Password:
                    new KWalletEntryItem(_w, pi, *j);
                    break;
                case KWallet::Wallet::Stream:
                    new KWalletEntryItem(_w, bi, *j);
                    break;
                case KWallet::Wallet::Map:
                    new KWalletEntryItem(_w, mi, *j);
                    break;
                case KWallet::Wallet::Unknown:
                default:
                    new QTreeWidgetItem(ui, QStringList() << *j);
                    break;
            }
        }
        _entryList->setEnabled(true);
    }

    //check if the current folder has been removed
    if (!fl.contains(_currentFolder)) {
        _currentFolder.clear();
        _entryTitle->clear();
        _iconTitle->clear();
    }
}

void KWalletEditor::deleteFolder() {
    if (_w) {
        QTreeWidgetItem *i = _entryList->currentItem();
        if (i) {
            KWalletFolderItem *fi = dynamic_cast<KWalletFolderItem *>(i);
            if (!fi) {
                return;
            }

            int rc = KMessageBox::warningContinueCancel(this, i18n("Are you sure you wish to delete the folder '%1' from the wallet?", fi->name()),QString(),KStandardGuiItem::del());
            if (rc == KMessageBox::Continue) {
                bool rc = _w->removeFolder(fi->name());
                if (!rc) {
                    KMessageBox::sorry(this, i18n("Error deleting folder."));
                    return;
                }
                _currentFolder.clear();
                _entryTitle->clear();
                _iconTitle->clear();
                updateFolderList();
            }
        }
    }
}


void KWalletEditor::createFolder() {
    if (_w) {
        QString n;
        bool ok;

        do {
            n = KInputDialog::getText(i18n("New Folder"),
                    i18n("Please choose a name for the new folder:"),
                    QString(),
                    &ok,
                    this);

            if (!ok) {
                return;
            }

            if (_entryList->existsFolder(n)) {
                int rc = KMessageBox::questionYesNo(this, i18n("Sorry, that folder name is in use. Try again?"), QString(), KGuiItem(i18n("Try Again")), KGuiItem(i18n("Do Not Try")));
                if (rc == KMessageBox::Yes) {
                    continue;
                }
                n.clear();
            }
            break;
        } while (true);

        _w->createFolder(n);
        updateFolderList();
    }
}

void KWalletEditor::saveEntry() {
    int rc = 1;
    QTreeWidgetItem *item = _displayedItem; //  _entryList->currentItem();
    _saveChanges->setEnabled(false);
    _undoChanges->setEnabled(false);

    if (item && _w && item->parent()) {
        KWalletContainerItem *ci = dynamic_cast<KWalletContainerItem*>(item->parent());
        if (ci) {
            if (ci->entryType() == KWallet::Wallet::Password) {
                rc = _w->writePassword(item->text(0), _passwordValue->toPlainText());
            } else if (ci->entryType() == KWallet::Wallet::Map) {
                _mapEditor->saveMap();
                rc = _w->writeMap(item->text(0), _currentMap);
            } else {
                return;
            }

            if (rc == 0) {
                return;
            }
        }
    }

    KMessageBox::sorry(this, i18n("Error saving entry. Error code: %1", rc));
}


void KWalletEditor::restoreEntry() {
    entrySelectionChanged(_entryList->currentItem());
}


void KWalletEditor::entryEditted() {
    _saveChanges->setEnabled(true);
    _undoChanges->setEnabled(true);
}


void KWalletEditor::entrySelectionChanged(QTreeWidgetItem *item) {
    // do not forget to save changes
    if ( _saveChanges->isEnabled() && _displayedItem && (_displayedItem != item) ){
        if ( KMessageBox::Yes ==  KMessageBox::questionYesNo(this, 
                                            i18n("The contents of the current item has changed.\nDo you want to save changes?"))) {
            saveEntry();
        } else {
            _saveChanges->setEnabled(false);
            _undoChanges->setEnabled(false);
        }
    }
    KWalletContainerItem *ci = 0L;
    KWalletFolderItem *fi = 0L;

    // clear the context menu
    _contextMenu->clear();
    _contextMenu->setEnabled(true);
    // disable the entry actions (reenable them on adding)
    _newEntryAction->setEnabled(false);
    _renameEntryAction->setEnabled(false);
    _deleteEntryAction->setEnabled(false);

    if (item)
    {
        // set the context menu's title
        _contextMenu->addTitle(_contextMenu->fontMetrics().elidedText(
            item->text(0), Qt::ElideMiddle, 200 ) );

        // TODO rtti
        switch (item->type()) {
            case KWalletEntryItemClass:
                ci = dynamic_cast<KWalletContainerItem*>(item->parent());
                if (!ci) {
                    return;
                }
                fi = dynamic_cast<KWalletFolderItem*>(ci->parent());
                if (!fi) {
                    return;
                }
                _w->setFolder(fi->name());
                _deleteFolderAction->setEnabled(false);

                // add standard menu items
                _contextMenu->addAction( _newEntryAction );
                _contextMenu->addAction( _renameEntryAction );
                _contextMenu->addAction( _deleteEntryAction );
                _newEntryAction->setEnabled(true);
                _renameEntryAction->setEnabled(true);
                _deleteEntryAction->setEnabled(true);

                if (ci->entryType() == KWallet::Wallet::Password) {
                    QString pass;
                    if (_w->readPassword(item->text(0), pass) == 0) {
                        _entryStack->setCurrentIndex(4);
                        _entryName->setText(i18n("Password: %1",
                                item->text(0)));
                        _passwordValue->setText(pass);
                        _saveChanges->setEnabled(false);
                        _undoChanges->setEnabled(false);
                    }
                    // add a context-menu action for copying passwords
                    _contextMenu->addSeparator();
                    _contextMenu->addAction( _copyPassAction );
                    if(_alwaysShowContents) {
                        QTimer::singleShot(0, this, SLOT(showPasswordContents()));
                    }
                } else if (ci->entryType() == KWallet::Wallet::Map) {
                    _entryStack->setCurrentIndex(2);
                    if (_w->readMap(item->text(0), _currentMap) == 0) {
                        _mapEditor->reload();
                        _entryName->setText(i18n("Name-Value Map: %1", item->text(0)));
                        _saveChanges->setEnabled(false);
                        _undoChanges->setEnabled(false);
                        showHideMapEditorValue(_mapEditorShowHide->isChecked());
                    }
                } else if (ci->entryType() == KWallet::Wallet::Stream) {
                    _entryStack->setCurrentIndex(3);
                    QByteArray ba;
                    if (_w->readEntry(item->text(0), ba) == 0) {
                        _entryName->setText(i18n("Binary Data: %1",
                                item->text(0)));
                        _saveChanges->setEnabled(false);
                        _undoChanges->setEnabled(false);
                    }
                }
                break;

            case KWalletContainerItemClass:
                ci = dynamic_cast<KWalletContainerItem*>(item);
                if (!ci) {
                    return;
                }
                if (ci->entryType() == KWallet::Wallet::Unknown) {
                    // disable context menu on unknown items
                    _contextMenu->setEnabled(false);
                } else {
                    // add the context menu action
                    _contextMenu->addAction( _newEntryAction );
                    _newEntryAction->setEnabled(true);
                }

                fi = dynamic_cast<KWalletFolderItem*>(item->parent());
                if (!fi) {
                    return;
                }
                _w->setFolder(fi->name());
                _deleteFolderAction->setEnabled(false);
                _entryName->clear();
                _entryStack->setCurrentIndex(0);
                break;

            case KWalletFolderItemClass:
                // add the context menu actions
                _contextMenu->addAction( _newFolderAction );
                _contextMenu->addAction( _deleteFolderAction );

                fi = dynamic_cast<KWalletFolderItem*>(item);
                if (!fi) {
                    return;
                }
                _w->setFolder(fi->name());
                _deleteFolderAction->setEnabled(true);
                _entryName->clear();
                _entryStack->setCurrentIndex(0);
                break;

            default:
                // all items but Unknown entries return have their
                // rtti set. Unknown items can only be deleted.
                _contextMenu->addAction( _deleteEntryAction );
                _deleteEntryAction->setEnabled(true);
                break;
        }
    } else {
        // no item selected. add the "new folder" action to the context menu
        _contextMenu->addAction( _newFolderAction );
    }

    if (fi) {
        _currentFolder = fi->name();
        _entryTitle->setText(QString::fromLatin1("<font size=\"+1\">%1</font>").arg(fi->text(0)));
        _iconTitle->setPixmap(fi->getFolderIcon(KIconLoader::Toolbar));
    }
    
    _displayedItem = item;
}

void KWalletEditor::updateEntries(const QString& folder) {
    QStack<QTreeWidgetItem*> trash;

    _w->setFolder(folder);
    const QStringList entries = _w->entryList();

    KWalletFolderItem *fi = _entryList->getFolder(folder);

    if (!fi) {
        return;
    }

    KWalletContainerItem *pi = fi->getContainer(KWallet::Wallet::Password);
    KWalletContainerItem *mi = fi->getContainer(KWallet::Wallet::Map);
    KWalletContainerItem *bi = fi->getContainer(KWallet::Wallet::Stream);
    KWalletContainerItem *ui = fi->getContainer(KWallet::Wallet::Unknown);

    // Remove deleted entries
    for (int i = 0; i < pi->childCount(); ++i) {
        QTreeWidgetItem *twi = pi->child(i);
        if (!entries.contains(twi->text(0))) {
            if (twi == _entryList->currentItem()) {
                entrySelectionChanged(0L);
            }
            trash.push(twi);
        }
    }

    for (int i = 0; i < mi->childCount(); ++i) {
        QTreeWidgetItem *twi = mi->child(i);
        if (!entries.contains(twi->text(0))) {
            if (twi == _entryList->currentItem()) {
                entrySelectionChanged(0L);
            }
            trash.push(twi);
        }
    }

    for (int i = 0; i < bi->childCount(); ++i) {
        QTreeWidgetItem *twi = bi->child(i);
        if (!entries.contains(twi->text(0))) {
            if (twi == _entryList->currentItem()) {
                entrySelectionChanged(0L);
            }
            trash.push(twi);
        }
    }

    for (int i = 0; i < ui->childCount(); ++i) {
        QTreeWidgetItem *twi = ui->child(i);
        if (!entries.contains(twi->text(0))) {
            if (twi == _entryList->currentItem()) {
                entrySelectionChanged(0L);
            }
            trash.push(twi);
        }
    }

    qDeleteAll(trash);
    trash.clear();

    // Add new entries
    for (QStringList::const_iterator i = entries.begin(); i != entries.end(); ++i) {
        if (fi->contains(*i)){
            continue;
        }

        switch (_w->entryType(*i)) {
            case KWallet::Wallet::Password:
                new KWalletEntryItem(_w, pi, *i);
                break;
            case KWallet::Wallet::Stream:
                new KWalletEntryItem(_w, bi, *i);
                break;
            case KWallet::Wallet::Map:
                new KWalletEntryItem(_w, mi, *i);
                break;
            case KWallet::Wallet::Unknown:
            default:
                new QTreeWidgetItem(ui, QStringList() << *i);
                break;
        }
    }
    fi->refresh();
    if (fi->name() == _currentFolder) {
            _entryTitle->setText(QString::fromLatin1("<font size=\"+1\">%1</font>").arg(fi->text(0)));
    }
    if (!_entryList->currentItem()) {
        _entryName->clear();
        _entryStack->setCurrentIndex(0);
    }
}

void KWalletEditor::listContextMenuRequested(const QPoint& pos) {
    if (!_contextMenu->isEnabled()) {
        return;
    }

    _contextMenu->popup(_entryList->mapToGlobal(pos));
}


void KWalletEditor::copyPassword() {
    QTreeWidgetItem *item = _entryList->currentItem();
    if (_w && item) {
        QString pass;
        if (_w->readPassword(item->text(0), pass) == 0) {
            QApplication::clipboard()->setText(pass);
        }
    }
}


void KWalletEditor::newEntry() {
    QTreeWidgetItem *item = _entryList->currentItem();
    QString n;
    bool ok;

    KWalletFolderItem *fi;

    //set the folder where we're trying to create the new entry
    if (_w && item) {
        QTreeWidgetItem *p = item;
        if (p->type() == KWalletEntryItemClass) {
            p = item->parent();
        }
        fi = dynamic_cast<KWalletFolderItem *>(p->parent());
        if (!fi) {
            return;
        }
        _w->setFolder(fi->name());
    } else {
        return;
    }

    do {
        n = KInputDialog::getText(i18n("New Entry"),
                i18n("Please choose a name for the new entry:"),
                QString(),
                &ok,
                this);

        if (!ok) {
            return;
        }

        // FIXME: prohibits the use of the subheadings
        if (fi->contains(n)) {
            int rc = KMessageBox::questionYesNo(this, i18n("Sorry, that entry already exists. Try again?"), QString(), KGuiItem(i18n("Try Again")), KGuiItem(i18n("Do Not Try")));
            if (rc == KMessageBox::Yes) {
                continue;
            }
            n.clear();
        }
        break;
    } while (true);

    if (_w && item && !n.isEmpty()) {
        QTreeWidgetItem *p = item;
        if (p->type() == KWalletEntryItemClass) {
            p = item->parent();
        }

        KWalletFolderItem *fi = dynamic_cast<KWalletFolderItem *>(p->parent());
        if (!fi) {
            KMessageBox::error(this, i18n("An unexpected error occurred trying to add the new entry"));
            return;
        }
        _w->setFolder(fi->name());

        KWalletEntryItem *ni = new KWalletEntryItem(_w, p, n);

        KWalletContainerItem *ci = dynamic_cast<KWalletContainerItem*>(p);
        if (!ci) {
            KMessageBox::error(this, i18n("An unexpected error occurred trying to add the new entry"));
            delete ni;
            return;
        }
        if (ci->entryType() == KWallet::Wallet::Password) {
            _w->writePassword(n, QString());
        } else if (ci->entryType() == KWallet::Wallet::Map) {
            _w->writeMap(n, QMap<QString,QString>());
        } else if (ci->entryType() == KWallet::Wallet::Stream) {
            _w->writeEntry(n, QByteArray());
        } else {
            abort();
        }

        _entryList->setCurrentItem(ni);
        _entryList->scrollToItem(ni);

        fi->refresh();
        _entryTitle->setText(QString::fromLatin1("<font size=\"+1\">%1</font>").arg(fi->text(0)));
    }
}


void KWalletEditor::renameEntry() {
    QTreeWidgetItem *item = _entryList->currentItem();
    if (_w && item) {
        _entryList->editItem(item, 0);
    }
}


// Only supports renaming of KWalletEntryItem derived classes.
void KWalletEditor::listItemChanged(QTreeWidgetItem* item, int column) {
    if (item && column == 0) {
        KWalletEntryItem *i = dynamic_cast<KWalletEntryItem*>(item);
        if (!i) {
            return;
        }

        const QString t = item->text(0);
        if (t == i->name()) {
            return;
        }
        if (!_w || t.isEmpty()) {
            i->restoreName();
            return;
        }

        if (_w->renameEntry(i->name(), t) == 0) {
            i->setName(t);
            KWalletContainerItem *ci = dynamic_cast<KWalletContainerItem*>(item->parent());
            if (!ci) {
                KMessageBox::error(this, i18n("An unexpected error occurred trying to rename the entry"));
                return;
            }
            if (ci->entryType() == KWallet::Wallet::Password) {
                _entryName->setText(i18n("Password: %1", item->text(0)));
            } else if (ci->entryType() == KWallet::Wallet::Map) {
                _entryName->setText(i18n("Name-Value Map: %1", item->text(0)));
            } else if (ci->entryType() == KWallet::Wallet::Stream) {
                _entryName->setText(i18n("Binary Data: %1", item->text(0)));
            }
        } else {
            i->restoreName();
        }
    }
}


void KWalletEditor::deleteEntry() {
    QTreeWidgetItem *item = _entryList->currentItem();
    if (_w && item) {
        int rc = KMessageBox::warningContinueCancel(this, i18n("Are you sure you wish to delete the item '%1'?", item->text(0)),QString(),KStandardGuiItem::del());
        if (rc == KMessageBox::Continue) {
            KWalletFolderItem *fi = dynamic_cast<KWalletFolderItem *>(item->parent()->parent());
            if (!fi) {
                KMessageBox::error(this, i18n("An unexpected error occurred trying to delete the entry"));
                return;
            }
            _displayedItem = 0;
            _w->removeEntry(item->text(0));
            delete item;
            entrySelectionChanged(_entryList->currentItem());
            fi->refresh();
            _entryTitle->setText(QString::fromLatin1("<font size=\"+1\">%1</font>").arg(fi->text(0)));
        }
    }
}

void KWalletEditor::changePassword() {
    KWallet::Wallet::changePassword(_walletName, winId());
}


void KWalletEditor::walletOpened(bool success) {
    if (success) {
        emit enableFolderActions(true);
        emit enableContextFolderActions(false);
        emit enableWalletActions(true);
        updateFolderList();
        _entryList->setWallet(_w);
    } else {
        if (!_newWallet) {
            KMessageBox::sorry(this, i18n("Unable to open the requested wallet."));
        }
    }
}


void KWalletEditor::hidePasswordContents() {
    _entryStack->setCurrentIndex(4);
}


void KWalletEditor::showPasswordContents() {
    _entryStack->setCurrentIndex(1);
}


void KWalletEditor::showHideMapEditorValue(bool show) {
    if (show) {
        _mapEditor->showColumn(2);
    } else {
        _mapEditor->hideColumn(2);
    }
}


enum MergePlan { Prompt = 0, Always = 1, Never = 2, Yes = 3, No = 4 };

void KWalletEditor::importWallet() {
    KUrl url = KFileDialog::getOpenUrl(KUrl(), QLatin1String( "*.kwl" ), this);
    if (url.isEmpty()) {
        return;
    }

    QString tmpFile;
    if (!KIO::NetAccess::download(url, tmpFile, this)) {
        KMessageBox::sorry(this, i18n("Unable to access wallet '<b>%1</b>'.", url.prettyUrl()));
        return;
    }

    KWallet::Wallet *w = KWallet::Wallet::openWallet(tmpFile, winId(), KWallet::Wallet::Path);
    if (w && w->isOpen()) {
        MergePlan mp = Prompt;
        QStringList fl = w->folderList();
        for (QStringList::ConstIterator f = fl.constBegin(); f != fl.constEnd(); ++f) {
            if (!w->setFolder(*f)) {
                continue;
            }

            if (!_w->hasFolder(*f)) {
                _w->createFolder(*f);
            }

            _w->setFolder(*f);

            QMap<QString, QMap<QString, QString> > map;
            QSet<QString> mergedkeys; // prevents re-merging already merged entries.
            int rc;
            rc = w->readMapList(QLatin1String( "*" ), map);
            if (rc == 0) {
                QMap<QString, QMap<QString, QString> >::ConstIterator me;
                for (me = map.constBegin(); me != map.constEnd(); ++me) {
                    bool hasEntry = _w->hasEntry(me.key());
                    if (hasEntry && mp == Prompt) {
                        KBetterThanKDialogBase *bd;
                        bd = new KBetterThanKDialogBase(this);
                        bd->setLabel(i18n("Folder '<b>%1</b>' already contains an entry '<b>%2</b>'.  Do you wish to replace it?", Qt::escape(*f), Qt::escape(me.key())));
                        mp = (MergePlan)bd->exec();
                        delete bd;
                        bool ok = false;
                        if (mp == Always || mp == Yes) {
                            ok = true;
                        }
                        if (mp == Yes || mp == No) {
                                // reset mp
                            mp = Prompt;
                        }
                        if (!ok) {
                            continue;
                        }
                    } else if (hasEntry && mp == Never) {
                        continue;
                    }
                    _w->writeMap(me.key(), me.value());
                    mergedkeys.insert(me.key()); // remember this key has been merged
                }
            }

            QMap<QString, QString> pwd;
            rc = w->readPasswordList(QLatin1String( "*" ), pwd);
            if (rc == 0) {
                QMap<QString, QString>::ConstIterator pe;
                for (pe = pwd.constBegin(); pe != pwd.constEnd(); ++pe) {
                    bool hasEntry = _w->hasEntry(pe.key());
                    if (hasEntry && mp == Prompt) {
                        KBetterThanKDialogBase *bd;
                        bd = new KBetterThanKDialogBase(this);
                        bd->setLabel(i18n("Folder '<b>%1</b>' already contains an entry '<b>%2</b>'.  Do you wish to replace it?", Qt::escape(*f), Qt::escape(pe.key())));
                        mp = (MergePlan)bd->exec();
                        delete bd;
                        bool ok = false;
                        if (mp == Always || mp == Yes) {
                            ok = true;
                        }
                        if (mp == Yes || mp == No) {
                                // reset mp
                            mp = Prompt;
                        }
                        if (!ok) {
                            continue;
                        }
                    } else if (hasEntry && mp == Never) {
                        continue;
                    }
                    _w->writePassword(pe.key(), pe.value());
                    mergedkeys.insert(pe.key()); // remember this key has been merged
                }
            }

            QMap<QString, QByteArray> ent;
            rc = w->readEntryList(QLatin1String( "*" ), ent);
            if (rc == 0) {
                QMap<QString, QByteArray>::ConstIterator ee;
                for (ee = ent.constBegin(); ee != ent.constEnd(); ++ee) {
                    // prevent re-merging already merged entries.
                    if (mergedkeys.contains(ee.key())) {
                        continue;
                    }
                    bool hasEntry = _w->hasEntry(ee.key());
                    if (hasEntry && mp == Prompt) {
                        KBetterThanKDialogBase *bd;
                        bd = new KBetterThanKDialogBase(this);
                        bd->setLabel(i18n("Folder '<b>%1</b>' already contains an entry '<b>%2</b>'.  Do you wish to replace it?", Qt::escape(*f), Qt::escape(ee.key())));
                        mp = (MergePlan)bd->exec();
                        delete bd;
                        bool ok = false;
                        if (mp == Always || mp == Yes) {
                            ok = true;
                        }
                        if (mp == Yes || mp == No) {
                                // reset mp
                            mp = Prompt;
                        }
                        if (!ok) {
                            continue;
                        }
                    } else if (hasEntry && mp == Never) {
                        continue;
                    }
                    _w->writeEntry(ee.key(), ee.value());
                }
            }
        }
    }

    delete w;

    KIO::NetAccess::removeTempFile(tmpFile);
    updateFolderList(true);
    restoreEntry();
}


void KWalletEditor::importXML() {
    KUrl url = KFileDialog::getOpenUrl( KUrl(), QLatin1String( "*.xml" ), this);
    if (url.isEmpty()) {
        return;
    }

    QString tmpFile;
    if (!KIO::NetAccess::download(url, tmpFile, this)) {
        KMessageBox::sorry(this, i18n("Unable to access XML file '<b>%1</b>'.", url.prettyUrl()));
        return;
    }

    QFile qf(tmpFile);
    if (!qf.open(QIODevice::ReadOnly)) {
        KMessageBox::sorry(this, i18n("Error opening XML file '<b>%1</b>' for input.", url.prettyUrl()));
        KIO::NetAccess::removeTempFile(tmpFile);
        return;
    }

    QDomDocument doc(tmpFile);
    if (!doc.setContent(&qf)) {
        KMessageBox::sorry(this, i18n("Error reading XML file '<b>%1</b>' for input.", url.prettyUrl()));
        KIO::NetAccess::removeTempFile(tmpFile);
        return;
    }

    QDomElement top = doc.documentElement();
    if (top.tagName().toLower() != QLatin1String( "wallet" )) {
        KMessageBox::sorry(this, i18n("Error: XML file does not contain a wallet."));
        KIO::NetAccess::removeTempFile(tmpFile);
        return;
    }

    QDomNode n = top.firstChild();
    MergePlan mp = Prompt;
    while (!n.isNull()) {
        QDomElement e = n.toElement();
        if (e.tagName().toLower() != QLatin1String( "folder" )) {
            n = n.nextSibling();
            continue;
        }

        QString fname = e.attribute(QLatin1String( "name" ));
        if (fname.isEmpty()) {
            n = n.nextSibling();
            continue;
        }
        if (!_w->hasFolder(fname)) {
            _w->createFolder(fname);
        }
        _w->setFolder(fname);
        QDomNode enode = e.firstChild();
        while (!enode.isNull()) {
            e = enode.toElement();
            QString type = e.tagName().toLower();
            QString ename = e.attribute(QLatin1String( "name" ));
            bool hasEntry = _w->hasEntry(ename);
            if (hasEntry && mp == Prompt) {
                KBetterThanKDialogBase *bd;
                bd = new KBetterThanKDialogBase(this);
                bd->setLabel(i18n("Folder '<b>%1</b>' already contains an entry '<b>%2</b>'.  Do you wish to replace it?", Qt::escape(fname), Qt::escape(ename)));
                mp = (MergePlan)bd->exec();
                delete bd;
                bool ok = false;
                if (mp == Always || mp == Yes) {
                    ok = true;
                }
                if (mp == Yes || mp == No) { // reset mp
                    mp = Prompt;
                }
                if (!ok) {
                    enode = enode.nextSibling();
                    continue;
                }
            } else if (hasEntry && mp == Never) {
                enode = enode.nextSibling();
                continue;
            }

            if (type == QLatin1String( "password" )) {
                _w->writePassword(ename, e.text());
            } else if (type == QLatin1String( "stream" )) {
                _w->writeEntry(ename, KCodecs::base64Decode(e.text().toLatin1()));
            } else if (type == QLatin1String( "map" )) {
                QMap<QString,QString> map;
                QDomNode mapNode = e.firstChild();
                while (!mapNode.isNull()) {
                    QDomElement mape = mapNode.toElement();
                    if (mape.tagName().toLower() == QLatin1String( "mapentry" )) {
                        map[mape.attribute(QLatin1String( "name" ))] = mape.text();
                    }
                    mapNode = mapNode.nextSibling();
                }
                _w->writeMap(ename, map);
            }
            enode = enode.nextSibling();
        }
        n = n.nextSibling();
    }

    KIO::NetAccess::removeTempFile(tmpFile);
    updateFolderList(true);
    restoreEntry();
}


void KWalletEditor::exportXML() {
    KTemporaryFile tf;
    tf.open();
    QXmlStreamWriter xml(&tf);
    xml.setAutoFormatting(true);
    xml.writeStartDocument();
    const QStringList fl = _w->folderList();

    xml.writeStartElement(QLatin1String( "wallet" ));
    xml.writeAttribute(QLatin1String( "name" ), _walletName);
    for (QStringList::const_iterator i = fl.constBegin(); i != fl.constEnd(); ++i) {
        xml.writeStartElement(QLatin1String( "folder" ));
        xml.writeAttribute(QLatin1String( "name" ), *i);
        _w->setFolder(*i);
        QStringList entries = _w->entryList();
        for (QStringList::const_iterator j = entries.constBegin(); j != entries.constEnd(); ++j) {
            switch (_w->entryType(*j)) {
                case KWallet::Wallet::Password:
                    {
                        QString pass;
                        if (_w->readPassword(*j, pass) == 0) {
                            xml.writeStartElement(QLatin1String( "password" ));
                            xml.writeAttribute(QLatin1String( "name" ), *j);
                            xml.writeCharacters(pass);
                            xml.writeEndElement();
                        }
                        break;
                    }
                case KWallet::Wallet::Stream:
                    {
                        QByteArray ba;
                        if (_w->readEntry(*j, ba) == 0) {
                            xml.writeStartElement(QLatin1String( "stream" ));
                            xml.writeAttribute(QLatin1String( "name" ), *j);
                            xml.writeCharacters(QLatin1String( KCodecs::base64Encode(ba) ));
                            xml.writeEndElement();
                        }
                        break;
                    }
                case KWallet::Wallet::Map:
                    {
                        QMap<QString,QString> map;
                        if (_w->readMap(*j, map) == 0) {
                            xml.writeStartElement(QLatin1String( "map" ));
                            xml.writeAttribute(QLatin1String( "name" ), *j);
                            for (QMap<QString,QString>::ConstIterator k = map.constBegin(); k != map.constEnd(); ++k) {
                                xml.writeStartElement(QLatin1String( "mapentry" ));
                                xml.writeAttribute(QLatin1String( "name" ), k.key());
                                xml.writeCharacters(k.value());
                                xml.writeEndElement();
                            }
                            xml.writeEndElement();
                        }
                        break;
                    }
                case KWallet::Wallet::Unknown:
                default:
                    break;
            }
        }
        xml.writeEndElement();
    }

    xml.writeEndElement();
    xml.writeEndDocument();
    tf.flush();

    KUrl url = KFileDialog::getSaveUrl(KUrl(), QLatin1String( "*.xml" ), this);

    if (!url.isEmpty()) {
        KIO::NetAccess::dircopy(KUrl::fromPath(tf.fileName()), url, this);
    }
}


void KWalletEditor::setNewWallet(bool x) {
    _newWallet = x;
}


void KWalletEditor::saveAs() {
    KUrl url = KFileDialog::getSaveUrl(KUrl(), QLatin1String( "*.kwl" ), this);
    if (!url.isEmpty()) {
        // Sync() kwalletd
        if (_nonLocal) {
            KIO::NetAccess::dircopy(_walletName, url, this);
        } else {
            QString path = KGlobal::dirs()->saveLocation("kwallet") + QLatin1Char( '/' ) + _walletName + QLatin1String( ".kwl" );
            KIO::NetAccess::dircopy(KUrl::fromPath(path), url, this);
        }
    }
}

void KWalletEditor::hideEvent(QHideEvent* )
{
    emit enableContextFolderActions(false);
    emit enableFolderActions(false);
    emit enableWalletActions(false);
    disconnectActions();
    _saveAsAction->setEnabled(false);
}

void KWalletEditor::showEvent(QShowEvent* )
{
    connectActions();
    emit enableContextFolderActions(true);
    emit enableFolderActions(true);
    emit enableWalletActions(true);
}

void KWalletEditor::onSearchTextChanged(const QString& text)
{
    static bool treeIsExpanded = false;
    if (text.isEmpty()) {
        if (treeIsExpanded) {
            _entryList->setCurrentItem(NULL);
            // NOTE: the 300 ms here is a value >200 ms used internally by KTreeWidgetSearchLine
            // TODO: replace this timer with a connection to KTreeWidgetSearchLine::searchUpdated signal introduced with KF5
            QTimer::singleShot(300, _entryList, SLOT(collapseAll()));
            treeIsExpanded = false;
        }
    } else {
        if (!treeIsExpanded) {
            _entryList->expandAll();
            treeIsExpanded = true;
        }
        // NOTE: the 300 ms here is a value >200 ms used internally by KTreeWidgetSearchLine
        // TODO: replace this timer with a connection to KTreeWidgetSearchLine::searchUpdated signal introduced with KF5
        QTimer::singleShot(300, _entryList, SLOT(selectFirstVisible()));
    }
    // TODO: reduce timer count when KTreeWidgetSearchLine::searchUpdated signal will be there
    QTimer::singleShot(300, _entryList, SLOT(refreshItemsCount()));
}

void KWalletEditor::onAlwaysShowContents(bool checked)
{
    _alwaysShowContents = checked;
    _alwaysHideContentsAction->setChecked(!_alwaysShowContents);
    showPasswordContents();
}

void KWalletEditor::onAlwaysHideContents(bool checked)
{
    _alwaysShowContents = !checked;
    _alwaysShowContentsAction->setChecked(_alwaysShowContents);
    if (checked) {
        hidePasswordContents();
    }
}

#include "kwalleteditor.moc"