TaskHandler: Add task handler that let's you jump into the configuration

... wire it up so that "No compiler found in kit" gets you to the kits
page.

Change-Id: Ie7b34d285a6d2eef81ccd5fdc86d91bcd0254515
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/projectexplorer/configtaskhandler.cpp

+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "configtaskhandler.h"
+
+#include "task.h"
+#include "taskhub.h"
+
+#include <coreplugin/icore.h>
+
+#include <QAction>
+
+#include <utils/qtcassert.h>
+
+using namespace ProjectExplorer::Internal;
+
+ConfigTaskHandler::ConfigTaskHandler(const Task &pattern, Core::Id group, Core::Id page) :
+    m_pattern(pattern),
+    m_targetGroup(group),
+    m_targetPage(page)
+{ }
+
+bool ConfigTaskHandler::canHandle(const ProjectExplorer::Task &task) const
+{
+    return task.description == m_pattern.description
+            && task.category == m_pattern.category;
+}
+
+void ConfigTaskHandler::handle(const ProjectExplorer::Task &task)
+{
+    Q_UNUSED(task);
+    Core::ICore::showOptionsDialog(m_targetGroup, m_targetPage);
+}
+
+QAction *ConfigTaskHandler::createAction(QObject *parent) const
+{
+    QAction *action = new QAction(Core::ICore::msgShowOptionsDialog(), parent);
+    action->setToolTip(Core::ICore::msgShowOptionsDialogToolTip());
+    return action;
+}

src/plugins/projectexplorer/configtaskhandler.h

+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef PROJECTEXPLORER_CONFIGTASKHANDLER_H
+#define PROJECTEXPLORER_CONFIGTASKHANDLER_H
+
+#include "itaskhandler.h"
+
+#include "task.h"
+
+namespace ProjectExplorer {
+namespace Internal {
+
+class ConfigTaskHandler : public ITaskHandler
+{
+    Q_OBJECT
+
+public:
+    ConfigTaskHandler(const Task &pattern, Core::Id group, Core::Id page);
+
+    bool canHandle(const Task &task) const;
+    void handle(const Task &task);
+    QAction *createAction(QObject *parent) const;
+
+private:
+    const Task m_pattern;
+
+    const Core::Id m_targetGroup;
+    const Core::Id m_targetPage;
+};
+
+} // namespace Internal
+} // namespace ProjectExplorer
+
+#endif // PROJECTEXPLORER_CONFIGTASKHANDLER_H

src/plugins/projectexplorer/projectexplorer.cpp

@@ -30,6 +30,7 @@
 #include "projectexplorer.h"
 
 #include "buildsteplist.h"
+#include "configtaskhandler.h"
 #include "customwizard/customwizard.h"
 #include "deployablefile.h"
 #include "deployconfiguration.h"
@@ -418,6 +419,9 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
     addAutoReleasedObject(new ShowInEditorTaskHandler);
     addAutoReleasedObject(new VcsAnnotateTaskHandler);
     addAutoReleasedObject(new RemoveTaskHandler);
+    addAutoReleasedObject(new ConfigTaskHandler(Task::compilerMissingTask(),
+                                                Constants::PROJECTEXPLORER_SETTINGS_CATEGORY,
+                                                Constants::KITS_SETTINGS_PAGE_ID));
     addAutoReleasedObject(new CoreListener);
 
     d->m_outputPane = new AppOutputPane;

src/plugins/projectexplorer/projectexplorer.pro

@@ -8,6 +8,7 @@ HEADERS += projectexplorer.h \
     ansifilterparser.h \
     buildinfo.h \
     clangparser.h \
+    configtaskhandler.h \
     environmentaspect.h \
     environmentaspectwidget.h \
     gcctoolchain.h \
@@ -154,6 +155,7 @@ SOURCES += projectexplorer.cpp \
     abiwidget.cpp \
     ansifilterparser.cpp \
     clangparser.cpp \
+    configtaskhandler.cpp \
     environmentaspect.cpp \
     environmentaspectwidget.cpp \
     gcctoolchain.cpp \

src/plugins/projectexplorer/projectexplorer.qbs

@@ -49,6 +49,7 @@ QtcPlugin {
             "clangparser.cpp", "clangparser.h",
             "codestylesettingspropertiespage.cpp", "codestylesettingspropertiespage.h", "codestylesettingspropertiespage.ui",
             "compileoutputwindow.cpp", "compileoutputwindow.h",
+            "configtaskhandler.cpp", "configtaskhandler.h",
             "copytaskhandler.cpp", "copytaskhandler.h",
             "corelistenercheckingforrunningbuild.cpp", "corelistenercheckingforrunningbuild.h",
             "currentprojectfilter.cpp", "currentprojectfilter.h",