Vcs: Move handling of settings from VcsBaseClient to VcsBaseClientImpl

... and update users of that functionality accordingly.

Unexpected plus: Now every supported VCS actually saves their setting
when requested.

Change-Id: I02db7b2ce14e5f52d26409b2a01aea290c2a294a
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/mercurial/clonewizard.cpp

@@ -30,6 +30,7 @@
 
 #include "clonewizard.h"
 #include "clonewizardpage.h"
+#include "mercurialclient.h"
 #include "mercurialplugin.h"
 #include "mercurialsettings.h"
 
@@ -74,7 +75,7 @@ VcsCommand *CloneWizard::createCommand(Utils::FileName *checkoutDir)
     if (!cwp)
         return 0;
 
-    const MercurialSettings &settings = MercurialPlugin::settings();
+    const VcsBaseClientSettings &settings = MercurialPlugin::client()->settings();
 
     QString path = cwp->path();
     QString directory = cwp->directory();

src/plugins/mercurial/mercurialclient.cpp

@@ -58,25 +58,20 @@ class MercurialDiffParameterWidget : public VcsBaseEditorParameterWidget
 {
     Q_OBJECT
 public:
-    MercurialDiffParameterWidget(MercurialSettings *settings, QWidget *parent = 0) :
+    MercurialDiffParameterWidget(VcsBaseClientSettings &settings, QWidget *parent = 0) :
         VcsBaseEditorParameterWidget(parent)
     {
         mapSetting(addToggleButton(QLatin1String("-w"), tr("Ignore Whitespace")),
-                   settings->boolPointer(MercurialSettings::diffIgnoreWhiteSpaceKey));
+                   settings.boolPointer(MercurialSettings::diffIgnoreWhiteSpaceKey));
         mapSetting(addToggleButton(QLatin1String("-B"), tr("Ignore Blank Lines")),
-                   settings->boolPointer(MercurialSettings::diffIgnoreBlankLinesKey));
+                   settings.boolPointer(MercurialSettings::diffIgnoreBlankLinesKey));
     }
 };
 
-MercurialClient::MercurialClient(MercurialSettings *settings) :
-    VcsBaseClient(settings)
+MercurialClient::MercurialClient() :
+    VcsBaseClient(new MercurialSettings)
 {
-    setDiffParameterWidgetCreator([=] { return new MercurialDiffParameterWidget(settings); });
-}
-
-MercurialSettings *MercurialClient::settings() const
-{
-    return dynamic_cast<MercurialSettings *>(VcsBaseClient::settings());
+    setDiffParameterWidgetCreator([this] { return new MercurialDiffParameterWidget(settings()); });
 }
 
 bool MercurialClient::manifestSync(const QString &repository, const QString &relativeFilename)

src/plugins/mercurial/mercurialclient.h

@@ -42,9 +42,7 @@ class MercurialClient : public VcsBase::VcsBaseClient
 {
     Q_OBJECT
 public:
-    MercurialClient(MercurialSettings *settings);
-
-    MercurialSettings *settings() const;
+    MercurialClient();
 
     bool synchronousClone(const QString &workingDir,
                           const QString &srcLocation,

src/plugins/mercurial/mercurialcontrol.cpp

@@ -98,7 +98,7 @@ bool MercurialControl::managesFile(const QString &workingDirectory, const QStrin
 
 bool MercurialControl::isConfigured() const
 {
-    const Utils::FileName binary = mercurialClient->settings()->binaryPath();
+    const Utils::FileName binary = mercurialClient->vcsBinary();
     if (binary.isEmpty())
         return false;
     QFileInfo fi = binary.toFileInfo();
@@ -186,10 +186,5 @@ void MercurialControl::changed(const QVariant &v)
     }
 }
 
-void MercurialControl::emitConfigurationChanged()
-{
-    emit configurationChanged();
-}
-
 } // namespace Internal
 } // namespace Mercurial

src/plugins/mercurial/mercurialcontrol.h

@@ -70,7 +70,6 @@ public slots:
     // files changed signals according to the variant's type:
     // String -> repository, StringList -> files
     void changed(const QVariant&);
-    void emitConfigurationChanged();
 
 private:
     MercurialClient *mercurialClient;

src/plugins/mercurial/mercurialplugin.cpp

@@ -136,12 +136,11 @@ bool MercurialPlugin::initialize(const QStringList & /* arguments */, QString *
 {
     Core::Context context(Constants::MERCURIAL_CONTEXT);
 
-    m_client = new MercurialClient(&mercurialSettings);
+    m_client = new MercurialClient;
     initializeVcs(new MercurialControl(m_client), context);
 
     optionsPage = new OptionsPage();
     addAutoReleasedObject(optionsPage);
-    mercurialSettings.readSettings(core->settings());
 
     connect(m_client, SIGNAL(changed(QVariant)), versionControl(), SLOT(changed(QVariant)));
     connect(m_client, SIGNAL(needUpdate()), this, SLOT(update()));
@@ -176,19 +175,6 @@ bool MercurialPlugin::initialize(const QStringList & /* arguments */, QString *
     return true;
 }
 
-const MercurialSettings &MercurialPlugin::settings()
-{
-    return m_instance->mercurialSettings;
-}
-
-void MercurialPlugin::setSettings(const MercurialSettings &settings)
-{
-    if (settings != m_instance->mercurialSettings) {
-        m_instance->mercurialSettings = settings;
-        static_cast<MercurialControl *>(m_instance->versionControl())->emitConfigurationChanged();
-    }
-}
-
 void MercurialPlugin::createMenu(const Core::Context &context)
 {
     // Create menu item for Mercurial

src/plugins/mercurial/mercurialplugin.h

@@ -75,9 +75,6 @@ public:
     static MercurialPlugin *instance() { return m_instance; }
     static MercurialClient *client() { return m_instance->m_client; }
 
-    static const MercurialSettings &settings();
-    static void setSettings(const MercurialSettings &settings);
-
 private slots:
     // File menu action slots
     void addCurrentFile();

src/plugins/mercurial/optionspage.cpp

@@ -29,6 +29,8 @@
 ****************************************************************************/
 
 #include "optionspage.h"
+
+#include "mercurialclient.h"
 #include "mercurialsettings.h"
 #include "mercurialplugin.h"
 
@@ -38,6 +40,8 @@
 
 #include <QTextStream>
 
+using namespace VcsBase;
+
 namespace Mercurial {
 namespace Internal  {
 
@@ -50,9 +54,9 @@ OptionsPageWidget::OptionsPageWidget(QWidget *parent) :
     m_ui.commandChooser->setPromptDialogTitle(tr("Mercurial Command"));
 }
 
-MercurialSettings OptionsPageWidget::settings() const
+VcsBaseClientSettings OptionsPageWidget::settings() const
 {
-    MercurialSettings s = MercurialPlugin::settings();
+    MercurialSettings s;
     s.setValue(MercurialSettings::binaryPathKey, m_ui.commandChooser->rawPath());
     s.setValue(MercurialSettings::userNameKey, m_ui.defaultUsernameLineEdit->text().trimmed());
     s.setValue(MercurialSettings::userEmailKey, m_ui.defaultEmailLineEdit->text().trimmed());
@@ -61,7 +65,7 @@ MercurialSettings OptionsPageWidget::settings() const
     return s;
 }
 
-void OptionsPageWidget::setSettings(const MercurialSettings &s)
+void OptionsPageWidget::setSettings(const VcsBaseClientSettings &s)
 {
     m_ui.commandChooser->setPath(s.stringValue(MercurialSettings::binaryPathKey));
     m_ui.defaultUsernameLineEdit->setText(s.stringValue(MercurialSettings::userNameKey));
@@ -80,7 +84,7 @@ QWidget *OptionsPage::widget()
 {
     if (!optionsPageWidget)
         optionsPageWidget = new OptionsPageWidget;
-    optionsPageWidget->setSettings(MercurialPlugin::settings());
+    optionsPageWidget->setSettings(MercurialPlugin::client()->settings());
     return optionsPageWidget;
 }
 
@@ -88,13 +92,15 @@ void OptionsPage::apply()
 {
     if (!optionsPageWidget)
         return;
-    const MercurialSettings newSettings = optionsPageWidget->settings();
-    if (newSettings != MercurialPlugin::settings()) {
-        //assume success and emit signal that settings are changed;
-        MercurialPlugin::setSettings(newSettings);
-        newSettings.writeSettings(Core::ICore::settings());
+
+    const VcsBaseClientSettings newSettings = optionsPageWidget->settings();
+    VcsBaseClientSettings &s = MercurialPlugin::instance()->client()->settings();
+    if (s != newSettings) {
+        s = newSettings;
+        s.writeSettings(Core::ICore::settings());
         emit settingsChanged();
     }
+
 }
 
 void OptionsPage::finish()

src/plugins/mercurial/optionspage.h

@@ -38,11 +38,13 @@
 #include <QWidget>
 #include <QPointer>
 
+namespace VcsBase {
+class VcsBaseClientSettings;
+} // namespace VcsBase
+
 namespace Mercurial {
 namespace Internal {
 
-class MercurialSettings;
-
 class OptionsPageWidget : public QWidget
 {
     Q_OBJECT
@@ -50,8 +52,8 @@ class OptionsPageWidget : public QWidget
 public:
     explicit OptionsPageWidget(QWidget *parent = 0);
 
-    MercurialSettings settings() const;
-    void setSettings(const MercurialSettings &s);
+    VcsBase::VcsBaseClientSettings settings() const;
+    void setSettings(const VcsBase::VcsBaseClientSettings &s);
 
 private:
     Ui::OptionsPage m_ui;