ui: file not up to date display

* the codeview now displays a hatched background for a filename when the file's content has changed or the file does not exist anymore.
* added TimePoint class to encapsulate boost.

src/lib/CMakeLists.txt

@@ -302,6 +302,8 @@ add_files(
 	utility/ConfigManager.cpp
 	utility/ConfigManager.h
 	utility/Property.h
+	utility/TimePoint.cpp
+	utility/TimePoint.h
 	utility/types.h
 	utility/utility.cpp
 	utility/utility.h

src/lib/component/controller/CodeController.cpp

@@ -121,6 +121,7 @@ void CodeController::handleMessage(MessageShowFile* message)
 	std::shared_ptr<TextAccess> textAccess = m_storageAccess->getFileContent(message->filePath);
 	params.code = textAccess->getText();
 
+	params.modificationTime = m_storageAccess->getFileModificationTime(message->filePath);
 	params.locationFile = m_storageAccess->getTokenLocationsForFile(message->filePath.str());
 
 	getView()->showCodeFile(params);
@@ -194,6 +195,7 @@ std::vector<CodeView::CodeSnippetParams> CodeController::getSnippetsForActiveTok
 				CodeView::CodeSnippetParams params;
 				params.locationFile = file;
 				params.refCount = file->getUnscopedStartTokenLocationCount();
+				params.modificationTime = m_storageAccess->getFileModificationTime(file->getFilePath());
 
 				params.isCollapsed = true;
 				snippets.push_back(params);
@@ -259,6 +261,8 @@ std::vector<CodeView::CodeSnippetParams> CodeController::getSnippetsForFile(std:
 		params.refCount = file->getUnscopedStartTokenLocationCount();
 		params.startLineNumber = std::max<int>(1, range.start.row - (range.start.strong ? 0 : snippetExpandRange));
 		params.endLineNumber = std::min<int>(textAccess->getLineCount(), range.end.row + (range.end.strong ? 0 : snippetExpandRange));
+		params.modificationTime = m_storageAccess->getFileModificationTime(file->getFilePath());
+
 
 		std::shared_ptr<TokenLocationFile> tempFile =
 			m_storageAccess->getTokenLocationsForLinesInFile(file->getFilePath().str(), params.startLineNumber, params.endLineNumber);

src/lib/component/view/CodeView.h

@@ -5,6 +5,7 @@
 
 #include "component/view/View.h"
 #include "data/location/TokenLocationFile.h"
+#include "utility/TimePoint.h"
 #include "utility/types.h"
 
 class CodeController;
@@ -26,6 +27,7 @@ public:
 		std::string code;
 
 		Id titleId;
+		TimePoint modificationTime;
 
 		std::shared_ptr<TokenLocationFile> locationFile;
 

src/lib/data/Storage.cpp

@@ -5,6 +5,7 @@
 
 #include "utility/file/FileSystem.h"
 #include "utility/logging/logging.h"
+#include "utility/TimePoint.h"
 #include "utility/utility.h"
 #include "utility/utilityString.h"
 
@@ -1219,6 +1220,11 @@ std::shared_ptr<TextAccess> Storage::getFileContent(const FilePath& filePath) co
 	return m_sqliteStorage.getFileContentByPath(filePath.str());
 }
 
+TimePoint Storage::getFileModificationTime(const FilePath& filePath) const
+{
+	return TimePoint(m_sqliteStorage.getFileByPath(filePath.str()).modificationTime);
+}
+
 Id Storage::addNodeHierarchy(Node::NodeType nodeType, NameHierarchy nameHierarchy, bool defined, bool distinct)
 {
 	std::vector<Id> nameIds = addNameHierarchyElements(nameHierarchy);

src/lib/data/Storage.h

@@ -161,8 +161,7 @@ public:
 	virtual std::shared_ptr<TokenLocationFile> getTokenLocationOfParentScope(const TokenLocation* child) const;
 
 	virtual std::shared_ptr<TextAccess> getFileContent(const FilePath& filePath) const;
-
-
+	virtual TimePoint getFileModificationTime(const FilePath& filePath) const;
 
 private:
 	Id addNodeHierarchy(Node::NodeType nodeType, NameHierarchy nameHierarchy, bool defined, bool distinct = false);

src/lib/data/access/StorageAccess.h

@@ -17,6 +17,7 @@ class TextAccess;
 class TokenLocation;
 class TokenLocationCollection;
 class TokenLocationFile;
+class TimePoint;
 
 class StorageAccess
 {
@@ -56,6 +57,7 @@ public:
 	virtual std::shared_ptr<TokenLocationFile> getTokenLocationOfParentScope(const TokenLocation* child) const = 0;
 
 	virtual std::shared_ptr<TextAccess> getFileContent(const FilePath& filePath) const = 0;
+	virtual TimePoint getFileModificationTime(const FilePath& filePath) const = 0;
 };
 
 #endif // STORAGE_ACCESS_H

src/lib/data/access/StorageAccessProxy.cpp

@@ -6,6 +6,7 @@
 
 #include "utility/logging/logging.h"
 #include "utility/file/FileInfo.h"
+#include "utility/TimePoint.h"
 
 StorageAccessProxy::StorageAccessProxy()
 	: m_subject(nullptr)
@@ -243,3 +244,13 @@ std::shared_ptr<TextAccess> StorageAccessProxy::getFileContent(const FilePath& f
 
 	return nullptr;
 }
+
+TimePoint StorageAccessProxy::getFileModificationTime(const FilePath& filePath) const
+{
+	if (hasSubject())
+	{
+		return m_subject->getFileModificationTime(filePath);
+	}
+
+	return TimePoint(boost::posix_time::not_a_date_time);
+}

src/lib/data/access/StorageAccessProxy.h

@@ -47,6 +47,7 @@ public:
 	virtual std::shared_ptr<TokenLocationFile> getTokenLocationOfParentScope(const TokenLocation* child) const;
 
 	virtual std::shared_ptr<TextAccess> getFileContent(const FilePath& filePath) const;
+	virtual TimePoint getFileModificationTime(const FilePath& filePath) const;
 
 private:
 	StorageAccess* m_subject;

src/lib/utility/TimePoint.cpp

@@ -0,0 +1,21 @@
+#include "TimePoint.h"
+
+TimePoint::TimePoint()
+	: m_time(boost::posix_time::not_a_date_time)
+{
+}
+
+TimePoint::TimePoint(boost::posix_time::ptime t)
+	: m_time(t)
+{
+}
+
+//TimePoint::TimePoint(time_t t)
+//{
+// needs an implementation
+//}
+
+TimePoint::TimePoint(std::string s)
+{
+	m_time = boost::posix_time::time_from_string(s);
+}

src/lib/utility/TimePoint.h

@@ -0,0 +1,25 @@
+#ifndef TIME_POINT_H
+#define TIME_POINT_H
+
+#include "boost/date_time/posix_time/posix_time.hpp"
+
+class TimePoint
+{
+public:
+	TimePoint();
+	TimePoint(boost::posix_time::ptime t);
+	//TimePoint(time_t t);
+	TimePoint(std::string s);
+
+	inline bool operator==(const TimePoint& rhs){ return m_time == rhs.m_time; }
+	inline bool operator!=(const TimePoint& rhs){ return m_time != rhs.m_time; }
+	inline bool operator<(const TimePoint& rhs){ return m_time < rhs.m_time; }
+	inline bool operator>(const TimePoint& rhs){ return m_time > rhs.m_time; }
+	inline bool operator<=(const TimePoint& rhs){ return m_time <= rhs.m_time; }
+	inline bool operator>=(const TimePoint& rhs){ return m_time >= rhs.m_time; }
+
+private:
+	boost::posix_time::ptime m_time;
+};
+
+#endif // TIME_POINT_H

src/lib/utility/file/FileSystem.cpp

@@ -94,6 +94,17 @@ std::vector<FileInfo> FileSystem::getFileInfosFromPaths(
 	return files;
 }
 
+TimePoint FileSystem::getLastWriteTime(const FilePath& filePath)
+{
+	boost::posix_time::ptime lastWriteTime;
+	if (FileSystem::exists(filePath.str()))
+	{
+		std::time_t t = boost::filesystem::last_write_time(filePath.path());
+		lastWriteTime = boost::posix_time::from_time_t(t);
+	}
+	return TimePoint(lastWriteTime);
+}
+
 std::string FileSystem::getTimeStringNow() // TODO: move to utility
 {
 	return boost::posix_time::to_iso_string(boost::posix_time::second_clock::universal_time());

src/lib/utility/file/FileSystem.h

@@ -5,6 +5,7 @@
 #include <vector>
 
 #include "utility/file/FileInfo.h"
+#include "utility/TimePoint.h"
 
 class FileSystem
 {
@@ -19,6 +20,7 @@ public:
 	static std::vector<FileInfo> getFileInfosFromPaths(
 		const std::vector<FilePath>& paths, const std::vector<std::string>& fileExtensions);
 
+	static TimePoint getLastWriteTime(const FilePath& filePath);
 	static std::string getTimeStringNow();
 
 	static std::vector<FilePath> getSubDirectories(const FilePath& path);