KUtils

kreplacedialog.cpp

00001 /*
00002     Copyright (C) 2001, S.R.Haque <srhaque@iee.org>.
00003     Copyright (C) 2002, David Faure <david@mandrakesoft.com>
00004     This file is part of the KDE project
00005 
00006     This library is free software; you can redistribute it and/or
00007     modify it under the terms of the GNU Library General Public
00008     License version 2, as published by the Free Software Foundation.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public License
00016     along with this library; see the file COPYING.LIB.  If not, write to
00017     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018     Boston, MA 02110-1301, USA.
00019 */
00020 
00021 #include "kreplacedialog.h"
00022 
00023 #include <qcheckbox.h>
00024 #include <qgroupbox.h>
00025 #include <qlabel.h>
00026 #include <qlayout.h>
00027 #include <qregexp.h>
00028 #include <kcombobox.h>
00029 #include <klocale.h>
00030 #include <kmessagebox.h>
00031 #include <kdebug.h>
00032 
00038 class KReplaceDialog::KReplaceDialogPrivate {
00039   public:
00040     KReplaceDialogPrivate() : m_initialShowDone(false) {}
00041     QStringList replaceStrings;
00042     bool m_initialShowDone;
00043 };
00044 
00045 KReplaceDialog::KReplaceDialog(QWidget *parent, const char *name, long options, const QStringList &findStrings, const QStringList &replaceStrings, bool hasSelection) :
00046     KFindDialog(parent, name, true)
00047 {
00048     d = new KReplaceDialogPrivate;
00049     d->replaceStrings = replaceStrings;
00050     init(true, findStrings, hasSelection);
00051     setOptions(options);
00052 }
00053 
00054 KReplaceDialog::~KReplaceDialog()
00055 {
00056     delete d;
00057 }
00058 
00059 void KReplaceDialog::showEvent( QShowEvent *e )
00060 {
00061     if ( !d->m_initialShowDone )
00062     {
00063         d->m_initialShowDone = true; // only once
00064 
00065         if (!d->replaceStrings.isEmpty())
00066         {
00067           setReplacementHistory(d->replaceStrings);
00068           m_replace->lineEdit()->setText( d->replaceStrings[0] );
00069         }
00070     }
00071 
00072     KFindDialog::showEvent(e);
00073 }
00074 
00075 long KReplaceDialog::options() const
00076 {
00077     long options = 0;
00078 
00079     options = KFindDialog::options();
00080     if (m_promptOnReplace->isChecked())
00081         options |= PromptOnReplace;
00082     if (m_backRef->isChecked())
00083         options |= BackReference;
00084     return options;
00085 }
00086 
00087 QWidget *KReplaceDialog::replaceExtension()
00088 {
00089     if (!m_replaceExtension)
00090     {
00091       m_replaceExtension = new QWidget(m_replaceGrp);
00092       m_replaceLayout->addMultiCellWidget(m_replaceExtension, 3, 3, 0, 1);
00093     }
00094 
00095     return m_replaceExtension;
00096 }
00097 
00098 QString KReplaceDialog::replacement() const
00099 {
00100     return m_replace->currentText();
00101 }
00102 
00103 QStringList KReplaceDialog::replacementHistory() const
00104 {
00105     QStringList lst = m_replace->historyItems();
00106     // historyItems() doesn't tell us about the case of replacing with an empty string
00107     if ( m_replace->lineEdit()->text().isEmpty() )
00108         lst.prepend( QString::null );
00109     return lst;
00110 }
00111 
00112 void KReplaceDialog::setOptions(long options)
00113 {
00114     KFindDialog::setOptions(options);
00115     m_promptOnReplace->setChecked(options & PromptOnReplace);
00116     m_backRef->setChecked(options & BackReference);
00117 }
00118 
00119 void KReplaceDialog::setReplacementHistory(const QStringList &strings)
00120 {
00121     if (strings.count() > 0)
00122         m_replace->setHistoryItems(strings, true);
00123     else
00124         m_replace->clearHistory();
00125 }
00126 
00127 void KReplaceDialog::slotOk()
00128 {
00129     // If regex and backrefs are enabled, do a sanity check.
00130     if ( m_regExp->isChecked() && m_backRef->isChecked() )
00131     {
00132         QRegExp r ( pattern() );
00133         int caps = r.numCaptures();
00134         QRegExp check(QString("((?:\\\\)+)(\\d+)"));
00135         int p = 0;
00136         QString rep = replacement();
00137         while ( (p = check.search( rep, p ) ) > -1 )
00138         {
00139             if ( check.cap(1).length()%2 && check.cap(2).toInt() > caps )
00140             {
00141                 KMessageBox::information( this, i18n(
00142                         "Your replacement string is referencing a capture greater than '\\%1', ").arg( caps ) +
00143                     ( caps ?
00144                         i18n("but your pattern only defines 1 capture.",
00145                              "but your pattern only defines %n captures.", caps ) :
00146                         i18n("but your pattern defines no captures.") ) +
00147                     i18n("\nPlease correct.") );
00148                 return; // abort OKing
00149             }
00150             p += check.matchedLength();
00151         }
00152 
00153     }
00154 
00155     KFindDialog::slotOk();
00156     m_replace->addToHistory(replacement());
00157 }
00158 
00159 // kate: space-indent on; indent-width 4; replace-tabs on;
00160 #include "kreplacedialog.moc"
KUtils

kreplacedialog.cpp

KUtils

API Reference
