1 files changed, 327 insertions, 0 deletions
diff --git a/kcontrol/konqhtml/filteropts.cpp b/kcontrol/konqhtml/filteropts.cpp
new file mode 100644
index 000000000..a1a68b63e
--- /dev/null
+++ b/kcontrol/konqhtml/filteropts.cpp
@@ -0,0 +1,327 @@
+/*
+   Copyright (C) 2005 Ivor Hewitt <ivor@ivor.org>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#include <kconfig.h>
+#include <klocale.h>
+#include <kglobal.h>
+#include <kaboutdata.h>
+#include <kfiledialog.h>
+#include <dcopclient.h>
+
+#include <qlayout.h>
+#include <qlistbox.h>
+#include <qpushbutton.h>
+#include <qgroupbox.h>
+#include <qhbox.h>
+#include <qvbox.h>
+#include <qlineedit.h>
+#include <qlabel.h>
+#include <qcheckbox.h>
+#include <qwhatsthis.h>
+#include <qregexp.h>
+
+#include "filteropts.h"
+#include "filteropts.moc"
+
+KCMFilter::KCMFilter(KConfig *config, QString group,
+                     QWidget *parent, const char * )
+    : KCModule( parent, "kcmkonqhtml" ),
+      mConfig( config ),
+      mGroupname( group ),
+      mSelCount(0)
+{
+    setButtons(Default|Apply);
+
+    QVBoxLayout *topLayout = new QVBoxLayout(this, 0, KDialog::spacingHint());
+
+    mEnableCheck = new QCheckBox(i18n("Enable filters"), this);
+    topLayout->addWidget( mEnableCheck );
+
+    mKillCheck = new QCheckBox(i18n("Hide filtered images"), this);
+    topLayout->addWidget( mKillCheck );
+
+    QGroupBox *topBox = new QGroupBox( 1, Horizontal, i18n("URL Expressions to Filter"), this );
+    topLayout->addWidget( topBox );
+
+    mListBox = new QListBox( topBox );
+    mListBox->setSelectionMode(QListBox::Extended);
+    new QLabel( i18n("Expression (e.g. http://www.site.com/ad/*):"), topBox);
+    mString = new QLineEdit( topBox );
+
+    QHBox *buttonBox = new QHBox( topBox );
+    buttonBox->setSpacing( KDialog::spacingHint() );
+
+    mInsertButton = new QPushButton( i18n("Insert"), buttonBox );
+    connect( mInsertButton, SIGNAL( clicked() ), SLOT( insertFilter() ) );
+    mUpdateButton = new QPushButton( i18n("Update"), buttonBox );
+    connect( mUpdateButton, SIGNAL( clicked() ), SLOT( updateFilter() ) );
+    mRemoveButton = new QPushButton( i18n("Remove"), buttonBox );
+    connect( mRemoveButton, SIGNAL( clicked() ), SLOT( removeFilter() ) );
+
+    mImportButton = new QPushButton(i18n("Import..."),buttonBox);
+    connect( mImportButton, SIGNAL( clicked() ), SLOT( importFilters() ) );
+    mExportButton = new QPushButton(i18n("Export..."),buttonBox);
+    connect( mExportButton, SIGNAL( clicked() ), SLOT( exportFilters() ) );
+
+    connect( mEnableCheck, SIGNAL( clicked()), this, SLOT( slotEnableChecked()));
+    connect( mKillCheck, SIGNAL( clicked()), this, SLOT( slotKillChecked()));
+    connect( mListBox, SIGNAL( selectionChanged ()),this, SLOT( slotItemSelected()));
+
+/*
+ * Whats this items
+ */
+    QWhatsThis::add( mEnableCheck, i18n("Enable or disable AdBlocK filters. When enabled a set of expressions "
+                                        "to be blocked should be defined in the filter list for blocking to "
+                                        "take effect."));
+    QWhatsThis::add( mKillCheck, i18n("When enabled blocked images will be removed from the page completely "
+                                      "otherwise a placeholder 'blocked' image will be used."));
+    QWhatsThis::add( mListBox, i18n("This is the list of URL filters that will be applied to all linked "
+                                    "images and frames. The filters are processed in order so place "
+                                    "more generic filters towards the top of the list."));
+    QWhatsThis::add( mString, i18n("Enter an expression to filter. Expressions can be defined as either "
+                                   "a filename style wildcard e.g. http://www.site.com/ads* or as a full "
+                                   "regular expression by surrounding the string with '/' e.g. "
+                                   " //(ad|banner)\\./"));
+    load();
+    updateButton();
+}
+
+KCMFilter::~KCMFilter()
+{
+    delete mConfig;
+}
+
+void KCMFilter::slotKillChecked()
+{
+    emit changed( true );
+}
+
+void KCMFilter::slotEnableChecked()
+{
+    updateButton();
+    emit changed( true );
+}
+
+void KCMFilter::slotItemSelected()
+{
+    int currentId=-1;
+    unsigned int i;
+    for( i=0,mSelCount=0; i < mListBox->count() && mSelCount<2; ++i )
+    {
+        if (mListBox->isSelected(i))
+        {
+            currentId=i;
+            mSelCount++;
+        }
+    }
+
+    if ( currentId >= 0 )
+    {
+        mString->setText(mListBox->text(currentId));
+    }
+    updateButton();
+}
+
+void KCMFilter::updateButton()
+{
+    bool state = mEnableCheck->isChecked();
+
+    mUpdateButton->setEnabled(state && (mSelCount == 1));
+    mRemoveButton->setEnabled(state && (mSelCount > 0));
+    mInsertButton->setEnabled(state);
+    mImportButton->setEnabled(state);
+    mExportButton->setEnabled(state);
+
+    mListBox->setEnabled(state);
+    mString->setEnabled(state);
+    mKillCheck->setEnabled(state);
+}
+
+void KCMFilter::importFilters()
+{
+    QString inFile = KFileDialog::getOpenFileName();
+    if (inFile.length() > 0)
+    {
+        QFile f(inFile);
+        if ( f.open( IO_ReadOnly ) )
+        {
+            QTextStream ts( &f );
+            QStringList paths;
+            QString line;
+            while (!ts.atEnd())
+            {
+                line = ts.readLine();
+                if (line.lower().compare("[adblock]") == 0)
+                    continue;
+                
+                // Treat leading ! as filter comment, otherwise check expressions
+                // are valid.
+                if (!line.startsWith("!"))
+                {
+                    if (line.length()>2 && line[0]=='/' && line[line.length()-1] == '/')
+                    {
+                        QString inside = line.mid(1, line.length()-2);
+                        QRegExp rx(inside);
+                        if (!rx.isValid())
+                            continue;
+                    }
+                    else
+                    {
+                        QRegExp rx(line);
+                        rx.setWildcard(true);
+                        if (!rx.isValid())
+                            continue;
+                    }
+                }
+
+                if (!line.isEmpty() && mListBox->findItem(line, Qt::CaseSensitive|Qt::ExactMatch) == 0)
+                    paths.append(line);
+            }
+            f.close();
+            
+            mListBox->insertStringList( paths );
+            emit changed(true);
+        }
+    }
+}
+
+void KCMFilter::exportFilters()
+{
+  QString outFile = KFileDialog::getSaveFileName();
+  if (outFile.length() > 0)
+  {
+    QFile f(outFile);
+    if ( f.open( IO_WriteOnly ) )
+    {
+      QTextStream ts( &f );
+      ts.setEncoding( QTextStream::UnicodeUTF8 );
+      ts << "[AdBlock]" << endl;
+
+      uint i;
+      for( i = 0; i < mListBox->count(); ++i )
+        ts << mListBox->text(i) << endl;
+
+      f.close();
+    }
+  }
+}
+
+void KCMFilter::defaults()
+{
+	load( true );
+}
+
+void KCMFilter::save()
+{
+    mConfig->deleteGroup(mGroupname);
+    mConfig->setGroup(mGroupname);
+
+    mConfig->writeEntry("Enabled",mEnableCheck->isChecked());
+    mConfig->writeEntry("Shrink",mKillCheck->isChecked());
+
+    uint i;
+    for( i = 0; i < mListBox->count(); ++i )
+    {
+        QString key = "Filter-" + QString::number(i);
+        mConfig->writeEntry(key, mListBox->text(i));
+    }
+    mConfig->writeEntry("Count",mListBox->count());
+
+    mConfig->sync();
+    DCOPClient::mainClient()->send("konqueror*","KonquerorIface","reparseConfiguration()",QByteArray());
+
+}
+void KCMFilter::load()
+{
+	load( false );
+}
+
+void KCMFilter::load( bool useDefaults )
+{
+    QStringList paths;
+
+	 mConfig->setReadDefaults( useDefaults );
+
+    mConfig->setGroup( mGroupname );
+    mEnableCheck->setChecked( mConfig->readBoolEntry("Enabled",false));
+    mKillCheck->setChecked( mConfig->readBoolEntry("Shrink",false));
+
+    QMap<QString,QString> entryMap = mConfig->entryMap( mGroupname );
+    QMap<QString,QString>::ConstIterator it;
+    int num = mConfig->readNumEntry("Count",0);
+    for (int i=0; i<num; ++i)
+    {
+        QString key = "Filter-" + QString::number(i);
+        it = entryMap.find(key);
+        if (it != entryMap.end())
+            paths.append(it.data());
+    }
+
+    mListBox->insertStringList( paths );
+
+	 emit changed( useDefaults );
+}
+
+void KCMFilter::insertFilter()
+{
+    if ( !mString->text().isEmpty() )
+    {
+        mListBox->insertItem( mString->text() );
+        int id=mListBox->count()-1;
+        mListBox->clearSelection();
+        mListBox->setSelected(id,true);
+        mListBox->setCurrentItem(id);
+        mListBox->ensureCurrentVisible();
+        mString->clear();
+        emit changed( true );
+    }
+    updateButton();
+}
+
+void KCMFilter::removeFilter()
+{
+    for( int i = mListBox->count(); i >= 0; --i )
+    {
+        if (mListBox->isSelected(i))
+            mListBox->removeItem(i);
+    }
+    mString->clear();
+    emit changed( true );
+    updateButton();
+}
+
+void KCMFilter::updateFilter()
+{
+    if ( !mString->text().isEmpty() )
+    {
+        int index = mListBox->currentItem();
+        if ( index >= 0 )
+        {
+            mListBox->changeItem( mString->text(), index );
+            emit changed( true );
+        }
+    }
+    updateButton();
+}
+
+QString KCMFilter::quickHelp() const
+{
+    return i18n("<h1>Konqueror AdBlocK</h1> Konqueror AdBlocK allows you to create a list of filters"
+                " that are checked against linked images and frames. URL's that match are either discarded or"
+                " replaced with a placeholder image. ");
+}