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127 lines
3.8 KiB
C++
127 lines
3.8 KiB
C++
/*
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* CiderPress
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* Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved.
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* See the file LICENSE for distribution terms.
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*/
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/*
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* Fill out a CTreeCtrl with the results of a tree search through a DiskFS and
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* its sub-volumes.
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*/
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#ifndef APP_DISKFSTREE_H
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#define APP_DISKFSTREE_H
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#include "resource.h"
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#include "../diskimg/DiskImg.h"
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/*
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* Utility class for extracting a directory hierarchy from a DiskFS and
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* adding it to a CTreeCtrl.
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*
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* The storage for some of the strings provided to the tree control is
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* managed by this class, so delete this object after the CTreeCtrl is
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* deleted. (Generally, this should be paired with a CTreeCtrl in a dialog
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* object.)
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*/
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class DiskFSTree {
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public:
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DiskFSTree(void) {
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fIncludeSubdirs = false;
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fExpandDepth = 0;
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fpDiskFS = NULL;
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fpTargetData = NULL;
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LoadTreeImages();
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}
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virtual ~DiskFSTree(void) { FreeAllTargetData(); }
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/*
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* Create the contents of the tree control.
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*/
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bool BuildTree(DiskImgLib::DiskFS* pDiskFS, CTreeCtrl* pTree);
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/* if set, includes folders as well as disks */
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bool fIncludeSubdirs;
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/* start with the tree expanded to this depth (0=none, -1=all) */
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int fExpandDepth;
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typedef enum {
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kTargetUnknown = 0, kTargetDiskFS, kTargetSubdir
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} TargetKind;
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struct TargetData {
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TargetData()
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: kind(kTargetUnknown), selectable(false), pDiskFS(NULL),
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pFile(NULL), pNext(NULL)
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{}
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TargetKind kind;
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bool selectable;
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DiskImgLib::DiskFS* pDiskFS;
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DiskImgLib::A2File* pFile;
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// easier to keep a list than to chase through the tree
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struct TargetData* pNext;
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};
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private:
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/*
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* Load the specified DiskFS into the tree, recursively adding any
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* sub-volumes. Pass in an initial depth of 1.
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*
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* Returns true on success.
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*/
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bool AddDiskFS(CTreeCtrl* pTree, HTREEITEM root,
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DiskImgLib::DiskFS* pDiskFS, int depth);
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/*
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* Add the subdir and all of the subdirectories of the current subdir.
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*
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* The files are held in a linear list in the DiskFS, so we have to
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* reconstruct the hierarchy from the path names. Pass in NULL for the
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* root volume.
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*
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* Returns a pointer to the next A2File in the list (i.e. the first one
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* that we couldn't digest). This assumes that the contents of a
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* subdirectory are grouped together in the linear list, so that we can
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* immediately bail when the first misfit is encountered.
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*/
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DiskImgLib::A2File* AddSubdir(CTreeCtrl* pTree, HTREEITEM parent,
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DiskImgLib::DiskFS* pDiskFS, DiskImgLib::A2File* pFile,
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int depth);
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/*
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* Allocate a new TargetData struct, and add it to our list.
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*/
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TargetData* AllocTargetData(void);
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/*
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* Free up the TargetData structures we created.
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*/
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void FreeAllTargetData(void);
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/*
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* Load bitmaps used in the tree control.
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*/
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void LoadTreeImages(void) {
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if (!fTreeImageList.Create(IDB_TREE_PICS, 16, 1, CLR_DEFAULT)) {
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LOGW("GLITCH: list image create failed");
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}
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fTreeImageList.SetBkColor(::GetSysColor(COLOR_WINDOW));
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}
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enum { // defs for IDB_TREE_PICS
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kTreeImageFolderClosed = 0,
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kTreeImageFolderOpen = 1,
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kTreeImageHardDriveRW = 2,
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kTreeImageHardDriveRO = 3,
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};
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CImageList fTreeImageList;
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DiskImgLib::DiskFS* fpDiskFS;
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TargetData* fpTargetData;
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// Storage for wide strings that were converted from DiskFS narrow strings.
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CStringArray fStringHolder;
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};
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#endif /*APP_DISKFSTREE_H*/
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