src/plugins/locator/basefilefilter.cpp

   1 /**************************************************************************
   2 **
   3 ** This file is part of Qt Creator
   4 **
   5 ** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
   6 **
   7 ** Contact: Nokia Corporation (qt-info@nokia.com)
   8 **
   9 ** No Commercial Usage
  10 **
  11 ** This file contains pre-release code and may not be distributed.
  12 ** You may use this file in accordance with the terms and conditions
  13 ** contained in the Technology Preview License Agreement accompanying
  14 ** this package.
  15 **
  16 ** GNU Lesser General Public License Usage
  17 **
  18 ** Alternatively, this file may be used under the terms of the GNU Lesser
  19 ** General Public License version 2.1 as published by the Free Software
  20 ** Foundation and appearing in the file LICENSE.LGPL included in the
  21 ** packaging of this file.  Please review the following information to
  22 ** ensure the GNU Lesser General Public License version 2.1 requirements
  23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  24 **
  25 ** In addition, as a special exception, Nokia gives you certain additional
  26 ** rights.  These rights are described in the Nokia Qt LGPL Exception
  27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
  28 **
  29 ** If you have questions regarding the use of this file, please contact
  30 ** Nokia at qt-info@nokia.com.
  31 **
  32 **************************************************************************/
  33
  34 #include "basefilefilter.h"
  35
  36 #include <coreplugin/editormanager/editormanager.h>
  37
  38 #include <QtCore/QDir>
  39 #include <QtCore/QStringMatcher>
  40
  41 using namespace Core;
  42 using namespace Locator;
  43
  44 BaseFileFilter::BaseFileFilter()
  45   : m_forceNewSearchList(false)
  46 {
  47 }
  48
  49 QList<FilterEntry> BaseFileFilter::matchesFor(QFutureInterface<Locator::FilterEntry> &future, const QString &origEntry)
  50 {
  51     updateFiles();
  52     QList<FilterEntry> matches;
  53     QList<FilterEntry> badMatches;
  54     QString needle = trimWildcards(origEntry);
  55     QStringMatcher matcher(needle, Qt::CaseInsensitive);
  56     const QChar asterisk = QLatin1Char('*');
  57     const QRegExp regexp(asterisk + needle+ asterisk, Qt::CaseInsensitive, QRegExp::Wildcard);
  58     if (!regexp.isValid())
  59         return matches;
  60     bool hasWildcard = (needle.contains(asterisk) || needle.contains('?'));
  61     QStringList searchListPaths;
  62     QStringList searchListNames;
  63     if (!m_previousEntry.isEmpty() && !m_forceNewSearchList && needle.contains(m_previousEntry)) {
  64         searchListPaths = m_previousResultPaths;
  65         searchListNames = m_previousResultNames;
  66     } else {
  67         searchListPaths = m_files;
  68         searchListNames = m_fileNames;
  69     }
  70     m_previousResultPaths.clear();
  71     m_previousResultNames.clear();
  72     m_forceNewSearchList = false;
  73     m_previousEntry = needle;
  74     QStringListIterator paths(searchListPaths);
  75     QStringListIterator names(searchListNames);
  76     while (paths.hasNext() && names.hasNext()) {
  77         if (future.isCanceled())
  78             break;
  79
  80         QString path = paths.next();
  81         QString name = names.next();
  82         if ((hasWildcard && regexp.exactMatch(name))
  83                 || (!hasWildcard && matcher.indexIn(name) != -1)) {
  84             QFileInfo fi(path);
  85             FilterEntry entry(this, fi.fileName(), path);
  86             entry.extraInfo = QDir::toNativeSeparators(fi.path());
  87             entry.resolveFileIcon = true;
  88             if (name.startsWith(needle))
  89                 matches.append(entry);
  90             else
  91                 badMatches.append(entry);
  92             m_previousResultPaths.append(path);
  93             m_previousResultNames.append(name);
  94         }
  95     }
  96
  97     matches.append(badMatches);
  98     return matches;
  99 }
 100
 101 void BaseFileFilter::accept(Locator::FilterEntry selection) const
 102 {
 103     Core::EditorManager *em = Core::EditorManager::instance();
 104     em->openEditor(selection.internalData.toString(), QString(), Core::EditorManager::ModeSwitch);
 105 }
 106
 107 void BaseFileFilter::generateFileNames()
 108 {
 109     m_fileNames.clear();
 110     foreach (const QString &fileName, m_files) {
 111         QFileInfo fi(fileName);
 112         m_fileNames.append(fi.fileName());
 113     }
 114     m_forceNewSearchList = true;
 115 }
 116
 117 void BaseFileFilter::updateFiles()
 118 {
 119 }