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// *****************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: https://www.gnu.org/licenses/gpl-3.0 *
// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
// *****************************************************************************
#ifndef TREE_VIEW_H_841703190201835280256673425
#define TREE_VIEW_H_841703190201835280256673425
#include <functional>
#include <zen/optional.h>
#include <wx+/grid.h>
#include "tree_grid_attr.h"
#include "../file_hierarchy.h"
namespace fff
{
//tree view of FolderComparison
class TreeView
{
public:
TreeView() {}
void setData(FolderComparison& newData); //set data, taking (partial) ownership
//apply view filter: comparison results
void updateCmpResult(bool showExcluded,
bool leftOnlyFilesActive,
bool rightOnlyFilesActive,
bool leftNewerFilesActive,
bool rightNewerFilesActive,
bool differentFilesActive,
bool equalFilesActive,
bool conflictFilesActive);
//apply view filter: synchronization preview
void updateSyncPreview(bool showExcluded,
bool syncCreateLeftActive,
bool syncCreateRightActive,
bool syncDeleteLeftActive,
bool syncDeleteRightActive,
bool syncDirOverwLeftActive,
bool syncDirOverwRightActive,
bool syncDirNoneActive,
bool syncEqualActive,
bool conflictFilesActive);
enum NodeStatus
{
STATUS_EXPANDED,
STATUS_REDUCED,
STATUS_EMPTY
};
//---------------------------------------------------------------------
struct Node
{
Node(int percent, uint64_t bytes, int itemCount, unsigned int level, NodeStatus status) :
percent_(percent), bytes_(bytes), itemCount_(itemCount), level_(level), status_(status) {}
virtual ~Node() {}
const int percent_; //[0, 100]
const uint64_t bytes_;
const int itemCount_;
const unsigned int level_;
const NodeStatus status_;
};
struct FilesNode : public Node
{
FilesNode(int percent, uint64_t bytes, int itemCount, unsigned int level, const std::vector<FileSystemObject*>& fsos) :
Node(percent, bytes, itemCount, level, STATUS_EMPTY), filesAndLinks(fsos) {}
std::vector<FileSystemObject*> filesAndLinks; //files and symlinks matching view filter; pointers are bound!
};
struct DirNode : public Node
{
DirNode(int percent, uint64_t bytes, int itemCount, unsigned int level, NodeStatus status, FolderPair& fp) : Node(percent, bytes, itemCount, level, status), folder(fp) {}
FolderPair& folder;
};
struct RootNode : public Node
{
RootNode(int percent, uint64_t bytes, int itemCount, NodeStatus status, BaseFolderPair& bFolder, const std::wstring& dispName) :
Node(percent, bytes, itemCount, 0, status), baseFolder(bFolder), displayName(dispName) {}
BaseFolderPair& baseFolder;
const std::wstring displayName;
};
std::unique_ptr<Node> getLine(size_t row) const; //return nullptr on error
size_t linesTotal() const { return flatTree_.size(); }
void expandNode(size_t row);
void reduceNode(size_t row);
NodeStatus getStatus(size_t row) const;
ptrdiff_t getParent(size_t row) const; //return < 0 if none
void setSortDirection(ColumnTypeTree colType, bool ascending); //apply permanently!
std::pair<ColumnTypeTree, bool> getSortDirection() { return { sortColumn_, sortAscending_ }; }
private:
struct DirNodeImpl;
struct Container
{
uint64_t bytesGross = 0;
uint64_t bytesNet = 0; //bytes for files on view in this directory only
int itemCountGross = 0;
int itemCountNet = 0; //number of files on view for in this directory only
std::vector<DirNodeImpl> subDirs;
FileSystemObject::ObjectId firstFileId = nullptr; //weak pointer to first FilePair or SymlinkPair
//- "compress" algorithm may hide file nodes for directories with a single included file, i.e. itemCountGross == itemCountNet == 1
//- a ContainerObject* would be a better fit, but we need weak pointer semantics!
//- a std::vector<FileSystemObject::ObjectId> would be a better design, but we don't want a second memory structure as large as custom grid!
};
struct DirNodeImpl : public Container
{
FileSystemObject::ObjectId objId = nullptr; //weak pointer to FolderPair
};
struct RootNodeImpl : public Container
{
std::shared_ptr<BaseFolderPair> baseFolder;
std::wstring displayName;
};
enum NodeType
{
TYPE_ROOT, //-> RootNodeImpl
TYPE_DIRECTORY, //-> DirNodeImpl
TYPE_FILES //-> Container
};
struct TreeLine
{
unsigned int level = 0;
int percent = 0; //[0, 100]
const Container* node = nullptr; //
NodeType type = NodeType::TYPE_ROOT; //we increase size of "flatTree" using C-style types rather than have a polymorphic "folderCmpView"
};
static void compressNode(Container& cont);
template <class Function>
static void extractVisibleSubtree(ContainerObject& hierObj, Container& cont, Function includeObject);
void getChildren(const Container& cont, unsigned int level, std::vector<TreeLine>& output);
template <class Predicate> void updateView(Predicate pred);
void applySubView(std::vector<RootNodeImpl>&& newView);
template <bool ascending> static void sortSingleLevel(std::vector<TreeLine>& items, ColumnTypeTree columnType);
template <bool ascending> struct LessShortName;
std::vector<TreeLine> flatTree_; //collapsable/expandable sub-tree of folderCmpView -> always sorted!
/* /|\
| (update...)
| */
std::vector<RootNodeImpl> folderCmpView_; //partial view on folderCmp -> unsorted (cannot be, because files are not a separate entity)
std::function<bool(const FileSystemObject& fsObj)> lastViewFilterPred_; //buffer view filter predicate for lazy evaluation of files/symlinks corresponding to a TYPE_FILES node
/* /|\
| (update...)
| */
std::vector<std::shared_ptr<BaseFolderPair>> folderCmp_; //full raw data
ColumnTypeTree sortColumn_ = treeGridLastSortColumnDefault;
bool sortAscending_ = getDefaultSortDirection(treeGridLastSortColumnDefault);
};
namespace treegrid
{
void init(zen::Grid& grid);
TreeView& getDataView(zen::Grid& grid);
void setShowPercentage(zen::Grid& grid, bool value);
bool getShowPercentage(const zen::Grid& grid);
}
}
#endif //TREE_VIEW_H_841703190201835280256673425
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