Add a scratch file wizard.

Add a wizard that quickly creates a text file without prompting
for a path, useful for shuffling clipboard pastes around, for
examples when collecting stack traces, etc and posting them
to a code paster.

Acked-by: Eike Ziller <eike.ziller@nokia.com>

Change-Id: I9fa6375a961cfcfef28a79b71ee4e046e57f0ec7
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

src/plugins/texteditor/texteditorplugin.cpp

@@ -65,6 +65,8 @@
 #include <QtPlugin>
 #include <QMainWindow>
 #include <QShortcut>
+#include <QDir>
+#include <QTemporaryFile>
 
 using namespace TextEditor;
 using namespace TextEditor::Internal;
@@ -98,6 +100,54 @@ TextEditorPlugin *TextEditorPlugin::instance()
     return m_instance;
 }
 
+static const char wizardCategoryC[] = "U.General";
+
+static inline QString wizardDisplayCategory()
+{
+    return TextEditorPlugin::tr("General");
+}
+
+// A wizard that quickly creates a scratch buffer
+// based on a temporary file without prompting for a path.
+class ScratchFileWizard : public Core::IWizard
+{
+public:
+    virtual WizardKind kind() const { return FileWizard; }
+    virtual QIcon icon() const { return QIcon(); }
+    virtual QString description() const
+        { return TextEditorPlugin::tr("Creates a scratch buffer using a temporary file."); }
+    virtual QString displayName() const
+        { return TextEditorPlugin::tr("Scratch Buffer"); }
+    virtual QString id() const
+        { return QLatin1String("Z.ScratchFile"); }
+    virtual QString category() const
+        { return QLatin1String(wizardCategoryC); }
+    virtual QString displayCategory() const
+        {  return wizardDisplayCategory(); }
+    virtual QString descriptionImage() const
+        { return QString(); }
+    virtual Core::FeatureSet requiredFeatures() const
+        { return Core::FeatureSet(); }
+    virtual WizardFlags flags() const
+        { return Core::IWizard::PlatformIndependent; }
+
+    virtual void runWizard(const QString &path, QWidget *parent, const QString &platform);
+};
+
+void ScratchFileWizard::runWizard(const QString &, QWidget *, const QString &)
+{
+    QString tempPattern = QDir::tempPath();
+    if (!tempPattern.endsWith(QLatin1Char('/')))
+        tempPattern += QLatin1Char('/');
+    tempPattern += QLatin1String("scratchXXXXXX.txt");
+    QTemporaryFile file(tempPattern);
+    file.setAutoRemove(false);
+    QTC_ASSERT(file.open(), return; );
+    file.close();
+    Core::EditorManager *em = Core::EditorManager::instance();
+    em->openEditor(file.fileName(), Core::Id(), Core::EditorManager::ModeSwitch);
+}
+
 // ExtensionSystem::PluginInterface
 bool TextEditorPlugin::initialize(const QStringList &arguments, QString *errorMessage)
 {
@@ -110,14 +160,15 @@ bool TextEditorPlugin::initialize(const QStringList &arguments, QString *errorMe
     wizardParameters.setDescription(tr("Creates a text file. The default file extension is <tt>.txt</tt>. "
                                        "You can specify a different extension as part of the filename."));
     wizardParameters.setDisplayName(tr("Text File"));
-    wizardParameters.setCategory(QLatin1String("U.General"));
+    wizardParameters.setCategory(QLatin1String(wizardCategoryC));
-    wizardParameters.setDisplayCategory(tr("General"));
+    wizardParameters.setDisplayCategory(wizardDisplayCategory());
     wizardParameters.setFlags(Core::IWizard::PlatformIndependent);
     TextFileWizard *wizard = new TextFileWizard(QLatin1String(Constants::C_TEXTEDITOR_MIMETYPE_TEXT),
                                                 QLatin1String("text$"),
                                                 wizardParameters);
     // Add text file wizard
     addAutoReleasedObject(wizard);
+    addAutoReleasedObject(new ScratchFileWizard);
 
     m_settings = new TextEditorSettings(this);