Add "Open Documents" find filter.

Task-number: QTCREATORBUG-6832

Change-Id: I589e4b1eeebaa193279859b4413e8726fd26d640
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>

src/plugins/texteditor/findinopenfiles.cpp

+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#include "findinopenfiles.h"
+#include "itexteditor.h"
+
+#include <coreplugin/icore.h>
+#include <coreplugin/editormanager/editormanager.h>
+#include <coreplugin/editormanager/openeditorsmodel.h>
+
+#include <QtCore/QSettings>
+
+using namespace Find;
+using namespace TextEditor;
+using namespace TextEditor::Internal;
+
+FindInOpenFiles::FindInOpenFiles()
+{
+    connect(Core::ICore::instance()->editorManager(), SIGNAL(editorOpened(Core::IEditor*)),
+            this, SLOT(updateEnabledState()));
+    connect(Core::ICore::instance()->editorManager(), SIGNAL(editorsClosed(QList<Core::IEditor*>)),
+            this, SLOT(updateEnabledState()));
+}
+
+QString FindInOpenFiles::id() const
+{
+    return QLatin1String("Open Files");
+}
+
+QString FindInOpenFiles::displayName() const
+{
+    return tr("Open Documents");
+}
+
+Utils::FileIterator *FindInOpenFiles::files(const QStringList &nameFilters,
+                                              const QVariant &additionalParameters) const
+{
+    Q_UNUSED(nameFilters)
+    Q_UNUSED(additionalParameters)
+    QMap<QString, QTextCodec *> openEditorEncodings = ITextEditor::openedTextEditorsEncodings();
+    QStringList fileNames;
+    QList<QTextCodec *> codecs;
+    foreach (const Core::OpenEditorsModel::Entry &entry,
+             Core::EditorManager::instance()->openedEditorsModel()->entries()) {
+        QString fileName = entry.fileName();
+        if (!fileName.isEmpty()) {
+            fileNames.append(fileName);
+            QTextCodec *codec = openEditorEncodings.value(fileName);
+            if (!codec)
+                codec = Core::EditorManager::instance()->defaultTextCodec();
+            codecs.append(codec);
+        }
+    }
+
+    return new Utils::FileIterator(fileNames, codecs);
+}
+
+QVariant FindInOpenFiles::additionalParameters() const
+{
+    return QVariant();
+}
+
+QString FindInOpenFiles::label() const
+{
+    return tr("Open Documents:");
+}
+
+QString FindInOpenFiles::toolTip() const
+{
+    // %1 is filled by BaseFileFind::runNewSearch
+    return tr("Open Documents\n%1");
+}
+
+bool FindInOpenFiles::isEnabled() const
+{
+    return Core::EditorManager::instance()->openedEditors().count() > 0;
+}
+
+void FindInOpenFiles::writeSettings(QSettings *settings)
+{
+    settings->beginGroup(QLatin1String("FindInOpenFiles"));
+    writeCommonSettings(settings);
+    settings->endGroup();
+}
+
+void FindInOpenFiles::readSettings(QSettings *settings)
+{
+    settings->beginGroup(QLatin1String("FindInOpenFiles"));
+    readCommonSettings(settings, QLatin1String("*"));
+    settings->endGroup();
+}
+
+void FindInOpenFiles::updateEnabledState()
+{
+    emit enabledChanged(isEnabled());
+}

src/plugins/texteditor/findinopenfiles.h

+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#ifndef FINDINOPENFILES_H
+#define FINDINOPENFILES_H
+
+#include "basefilefind.h"
+
+namespace TextEditor {
+namespace Internal {
+
+class FindInOpenFiles : public BaseFileFind
+{
+    Q_OBJECT
+
+public:
+    FindInOpenFiles();
+
+    QString id() const;
+    QString displayName() const;
+    bool isEnabled() const;
+    void writeSettings(QSettings *settings);
+    void readSettings(QSettings *settings);
+
+protected:
+    Utils::FileIterator *files(const QStringList &nameFilters,
+                               const QVariant &additionalParameters) const;
+    QVariant additionalParameters() const;
+    QString label() const;
+    QString toolTip() const;
+
+private slots:
+    void updateEnabledState();
+};
+
+} // namespace Internal
+} // namespace TextEditor
+
+#endif // FINDINOPENFILES_H

src/plugins/texteditor/texteditor.pro

@@ -31,6 +31,7 @@ SOURCES += texteditorplugin.cpp \
     texteditorsettings.cpp \
     codecselector.cpp \
     findincurrentfile.cpp \
+    findinopenfiles.cpp \
     colorscheme.cpp \
     colorschemeedit.cpp \
     itexteditor.cpp \
@@ -139,6 +140,7 @@ HEADERS += texteditorplugin.h \
     texteditorsettings.h \
     codecselector.h \
     findincurrentfile.h \
+    findinopenfiles.h \
     colorscheme.h \
     colorschemeedit.h \
     texteditoroverlay.h \

src/plugins/texteditor/texteditorplugin.cpp

@@ -34,6 +34,7 @@
 
 #include "findinfiles.h"
 #include "findincurrentfile.h"
+#include "findinopenfiles.h"
 #include "fontsettings.h"
 #include "linenumberfilter.h"
 #include "texteditorconstants.h"
@@ -183,6 +184,7 @@ void TextEditorPlugin::extensionsInitialized()
 
     addAutoReleasedObject(new FindInFiles);
     addAutoReleasedObject(new FindInCurrentFile);
+    addAutoReleasedObject(new FindInOpenFiles);
 
     Core::VariableManager *vm = Core::VariableManager::instance();
     vm->registerVariable(kCurrentDocumentSelection,