logic: added Gradle project setup (issue #379)

* added implementation for Gradle project setup (icon is still missing)
* refactored project loading/saving and SourceGroupSettings
* removed long deprecated Cxx UseSourcePathsForHeaderSearch option

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src/lib/project/Project.cpp

@@ -45,7 +45,6 @@ Project::Project(std::shared_ptr<ProjectSettings> settings, StorageAccessProxy*
 {
 }
 
-
 Project::~Project()
 {
 }
@@ -53,7 +52,7 @@ Project::~Project()
 bool Project::refresh(bool forceRefresh)
 {
 	if (m_state == PROJECT_STATE_NOT_LOADED)
-			{
+	{
 		return false;
 	}
 

src/lib/project/SourceGroup.cpp

@@ -1,5 +1,7 @@
 #include "project/SourceGroup.h"
 
+#include "settings/SourceGroupSettings.h"
+#include "utility/file/FileManager.h"
 #include "utility/file/FilePath.h"
 
 SourceGroup::~SourceGroup()
@@ -21,6 +23,18 @@ bool SourceGroup::prepareIndexing()
 	return true;
 }
 
+void SourceGroup::fetchAllSourceFilePaths()
+{
+	m_sourceFilePathsToIndex.clear();
+	FileManager fileManager;
+	fileManager.update(
+		getAllSourcePaths(), 
+		getSourceGroupSettings()->getExcludePathsExpandedAndAbsolute(), 
+		getSourceGroupSettings()->getSourceExtensions()
+	);
+	m_allSourceFilePaths = fileManager.getAllSourceFilePaths();
+}
+
 void SourceGroup::fetchSourceFilePathsToIndex(const std::set<FilePath>& staticSourceFilePaths)
 {
 	for (const FilePath& sourceFilePath: m_allSourceFilePaths)

src/lib/project/SourceGroup.h

@@ -10,6 +10,7 @@
 
 class FilePath;
 class IndexerCommand;
+class SourceGroupSettings;
 
 class SourceGroup
 {
@@ -22,7 +23,7 @@ public:
 	virtual bool prepareRefresh();
 	virtual bool prepareIndexing();
 
-	virtual void fetchAllSourceFilePaths() = 0;
+	void fetchAllSourceFilePaths();
 	void fetchSourceFilePathsToIndex(const std::set<FilePath>& staticSourceFilePaths);
 
 	std::set<FilePath> getAllSourceFilePaths() const;
@@ -34,6 +35,10 @@ public:
 protected:
 	std::set<FilePath> m_allSourceFilePaths;
 	std::set<FilePath> m_sourceFilePathsToIndex;
+
+private:
+	virtual std::shared_ptr<SourceGroupSettings> getSourceGroupSettings() = 0;
+	virtual std::vector<FilePath> getAllSourcePaths() const = 0;
 };
 
 #endif // SOURCE_GROUP_H