Support wildcards for the filter

Thanks to Janardhan Reddy for the patch!

BUG: 155986
FIXED-IN: 4.8.0

1 files changed, 74 insertions, 0 deletions

diff --git a/src/kitemviews/kfileitemmodelfilter.cpp b/src/kitemviews/kfileitemmodelfilter.cpp
new file mode 100644
index 000000000..dd40e2452
--- /dev/null
+++ b/src/kitemviews/kfileitemmodelfilter.cpp
@@ -0,0 +1,74 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Janardhan Reddy                                 *
+ *   <[email protected]>                                 *
+ *                                                                         *
+ *   Based on the Itemviews NG project from Trolltech Labs:                *
+ *   http://qt.gitorious.org/qt-labs/itemviews-ng                          *
+ *                                                                         *
+ *   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 "kfileitemmodelfilter_p.h"
+
+#include <KFileItem>
+#include <QRegExp>
+
+KFileItemModelFilter::KFileItemModelFilter() :
+    m_useRegExp(false),
+    m_regExp(0),
+    m_lowerCasePattern(),
+    m_pattern()
+{
+}
+
+KFileItemModelFilter::~KFileItemModelFilter()
+{
+    delete m_regExp;
+    m_regExp = 0;
+}
+
+void KFileItemModelFilter::setPattern(const QString& filter)
+{
+    m_pattern = filter;
+    m_lowerCasePattern = filter.toLower();
+
+    m_useRegExp = filter.contains('*') ||
+                  filter.contains('?') ||
+                  filter.contains('[');
+    if (m_useRegExp) {
+        if (!m_regExp) {
+            m_regExp = new QRegExp();
+            m_regExp->setCaseSensitivity(Qt::CaseInsensitive);
+            m_regExp->setMinimal(false);
+            m_regExp->setPatternSyntax(QRegExp::WildcardUnix);
+        }
+        m_regExp->setPattern(filter);
+    }
+}
+
+QString KFileItemModelFilter::pattern() const
+{
+    return m_pattern;
+}
+
+bool KFileItemModelFilter::matches(const KFileItem& item) const
+{
+    if (m_useRegExp) {
+        return m_regExp->exactMatch(item.text());
+    } else {
+        return item.text().toLower().contains(m_lowerCasePattern);
+    }
+}