code dump. unfortunate lack of commits. rick click menu on files/folders. comparative...
[ede] / libede / src / FileSystemBox.ec
index fda27fa..36e6b7b 100644 (file)
@@ -1,4 +1,5 @@
 public import "ecere"
+import "FileSystemCache"
 
 #ifdef __WIN32__
 static char * rootName = "Entire Computer";
@@ -11,7 +12,13 @@ private:
 define guiApp = (GuiApplication)((__thisModule).application);
 define selectionColor = guiApp.currentSkin.selectionColor; //Color { 10, 36, 106 };
 
-static char * fileIconNames[] = 
+void MessageBoxTodo(char * message)
+{
+   PrintLn("MessageBoxTodo(char * message) -- ", message);
+   MessageBox { type = ok, text = "MessageBoxTodo(char * message)", contents = message }.Modal();
+}
+
+static char * fileIconNames[] =
 {
    "<:ecere>mimeTypes/file.png",         /* none */
 
@@ -50,6 +57,25 @@ static char * fileIconNames[] =
    ""
 };
 
+define countOfCompIconNames = 6;
+static char * compIconNames[] =
+{
+/*
+   "<:ede>a.png",
+   "<:ede>b.png",
+   "<:ede>c.png",
+   "<:ede>d.png",
+   "<:ede>not.png",
+*/
+   "<:ede>devices/media-optical.png",
+   "<:ede>devices/media-flash.png",
+   "<:ede>places/network-server.png",
+   "<:ede>places/folder-saved-search.png",
+   "<:ede>places/user-home.png",
+   "<:ede>emblem-not.png",
+   ""
+};
+
 public enum _FileType
 {
    none,
@@ -137,14 +163,20 @@ public enum _FileType
    }
 };
 
+public enum FileSystemBoxMode { directory, list };
+
 class FileSystemBoxBits
 {
    bool foldersOnly:1, filesOnly:1, details:1, pathColumn:1, treeBranches:1, previewPictures:1, navigateFolders:1, autoLoad:1;
    bool preview:1;
+   bool columnsCompareStyle:1;
    //bool header:1, freeSelect:1, fullRowSelect:1, multiSelect:1, autoScroll:1, alwaysHL : 1, moveRows:1, resizable:1;
    //bool moveFields:1, clearHeader:1, alwaysEdit:1, collapse:1, treeBranch:1, rootCollapse:1, heightSet:1;
    //bool sortable:1, noDragging:1, fillLastField:1, expandOnAdd:1;
-};
+   bool textFileLinesStyle:1;
+
+   FileSystemBoxMode mode:2;
+}
 
 public class FileSystemBox : Window // should we not derive from ListBox instead?
                                     // I say we should, but we can't right now...
@@ -172,9 +204,14 @@ public:
    FileSystemNode root;
    FileSystemBoxSelection selection { };
 
+   subclass(InterfaceFileSystemIterator) iteratorClass;
+   FileSystemCache cache;
+
    virtual bool Window::NotifyNodeSelect(FileSystemBox box, FileSystemBoxSelection selection);
    //virtual bool Window::NotifyNodeNavigate(FileSystemBox box, FileSystemNode node);
    virtual bool Window::NotifyNodeOpen(FileSystemBox box, FileSystemBoxSelection selection);
+   virtual bool Window::NotifyNodeMenu(FileSystemBox box, Menu menu, FileSystemBoxSelection selection);
+   virtual bool Window::NotifyIteratorInit(FileSystemBox box, FileSystemIterator fileSystemIterator);
    
    property char * path
    {
@@ -188,11 +225,27 @@ public:
          if(created)
             Load();
       }
-
       get { return path; }
       //isset { return path && path[0]; }
    }
 
+   property Array<String> comparedPaths
+   {
+      set
+      {
+         delete comparedPaths;
+         if(value && value.count)
+            comparedPaths = value;
+         if(locationBox)
+            locationBox.path = value[0];
+         if(created)
+            Load();
+      }
+      get { return comparedPaths; }
+      //isset { return comparedPaths && comparedPaths.count; }
+   }
+
+   property FileSystemBoxMode mode { set { bits.mode = value; } get { return bits.mode; } };
    property bool foldersOnly { set { bits.foldersOnly = value; bits.filesOnly = !value; } get { return bits.foldersOnly; } };
    property bool filesOnly { set { bits.filesOnly = value; bits.foldersOnly = !value; } get { return bits.filesOnly; } };
    property bool previewPictures { set { bits.previewPictures = value; } get { return bits.previewPictures; } };
@@ -227,6 +280,8 @@ public:
       }
       get { return bits.preview; }
    };
+   property bool columnsCompareStyle { set { bits.columnsCompareStyle = value; } get { return bits.columnsCompareStyle; } };
+   property bool textFileLinesStyle { set { bits.textFileLinesStyle = value; } get { return bits.textFileLinesStyle; } };
    
    property FileSystemNode node
    {
@@ -360,26 +415,66 @@ public:
       Load();
    }
 
+   bool MenuOpen(MenuItem selection, Modifiers mods)
+   {
+      OpenNode();
+   }
+
+   bool MenuReplaceListItemByContainingDir(MenuItem selection, Modifiers mods)
+   {
+      bool result = true;
+      //FileSystemBoxSelection selection = this.selection.Copy(); // TOFIX compiler bug -- FileSystemBox.c -- ../libede/src/FileSystemBox.ec:420:49: error: ‘selection’ redeclared as different kind of symbol        
+      FileSystemBoxSelection sel = this.selection.Copy();
+      FileSystemNode node = sel.node;
+      char newPath[MAX_LOCATION];
+      StripLastDirectory(node.path, newPath);
+      //node.path = newPath;
+      //node.
+      //if(node && node.type.isFolder && bits.navigateFolders)
+      //   property::path = node.path;
+      delete sel;
+      return result;
+   }
+
+   bool MenuReplaceListItemByChild(MenuItem selection, Modifiers mods)
+   {
+      bool result = true;
+      //FileSystemBoxSelection selection = this.selection.Copy(); // TOFIX compiler bug -- FileSystemBox.c -- ../libede/src/FileSystemBox.ec:420:49: error: ‘selection’ redeclared as different kind of symbol        
+      FileSystemBoxSelection sel = this.selection.Copy();
+      FileSystemNode node = sel.node;
+      char newPath[MAX_LOCATION];
+      StripLastDirectory(node.path, newPath);
+      //node.path = newPath;
+      //node.
+      //if(node && node.type.isFolder && bits.navigateFolders)
+      //   property::path = node.path;
+      delete sel;
+      return result;
+   }
+
 private:
    FileSystemBoxBits bits;
 
    char * path;
    char * extensions;
+   Array<String> comparedPaths;
 
    BitmapResource fileIcons[_FileType];
+   BitmapResource compIcons[countOfCompIconNames]; // todo: fix this limitation
 
    Bitmap bitmap;
    //BitmapArray bitmaps { growingFactor = 16 };
 
    FileSystemBox()
    {
-      char wd[MAX_LOCATION];
-      GetWorkingDir(wd, sizeof(wd));
-      property::path = wd;
-      
+      path = CopyString("");
       InitFileIcons();
+      InitCompIcons(); // todo: these icons should not be initialize, they should be set
+                       //       or at least initalized when the comparison listing is requested
+                       //       and we know how many paths are being compared.
       list.AddField(nameField);
       bits.autoLoad = true;
+      //iteratorClass = class(FileSystemIterator);
    }
 
    ~FileSystemBox()
@@ -403,8 +498,18 @@ private:
       }
    }
 
-   DataField nameField { header = "Name", dataType = "FileSystemNode", width = 240, userData = this, freeData = false };
-   DataField pathField { header = "Location", dataType = /*"String"*/ "char *", width = 300, freeData = false };
+   void InitCompIcons()
+   {
+      _FileType c;
+      for(c = 0; c < countOfCompIconNames; c++)
+      {
+         compIcons[c] = BitmapResource { compIconNames[c], alphaBlend = true };
+         AddResource(compIcons[c]);
+      }
+   }
+
+   DataField nameField { header = "Name", dataType = "FileSystemNode", width = 240, userData = this, freeData = false/*, editable = true*/; };
+   DataField pathField { header = "Location", dataType = /*"String"*/ "char *", width = 300, freeData = true };
    DataField typeField { header = "Type", dataType = /*"String"*/ "char *", width = 40, freeData = false };
    DataField sizeField { header = "Size", dataType = "FileSize", width = 96, alignment = right, freeData = false };
    DataField modifiedField { header = "Modified", dataType = "SecSince1970", width = 96, alignment = right, freeData = false };
@@ -412,7 +517,15 @@ private:
    bool OnPostCreate()
    {
       if(bits.autoLoad)
+      {
+         if(!path)
+         {
+            char wd[MAX_LOCATION];
+            GetWorkingDir(wd, sizeof(wd));
+            property::path = wd;
+         }
          Load();
+      }
       return true;
    }
 
@@ -480,19 +593,35 @@ private:
             FileSystemNode node = (FileSystemNode)row.tag;
             if(node)
             {
-               char * text;
-
                PopupMenu popup;
                Menu menu { };
 
-               text = PrintString("Open ", node.path);
+               if(NotifyNodeMenu)
+                  NotifyNodeMenu(master, this, menu, selection);
+               else
+               {
+                  char * text;
+
+                  text = PrintString("Open ", node.name);
+                  MenuItem { menu, text, o, NotifySelect = MenuOpen, disabled = false }; //delete text;
 
-               MenuItem { menu, text, o, NotifySelect = MenuOpen, disabled = false };
-               MenuItem { menu, "Cut\tCtrl+X", t, NotifySelect = null, disabled = false };
-               MenuItem { menu, "Copy\tCtrl+C", c, NotifySelect = null, disabled = false };
-               MenuItem { menu, "Paste\tCtrl+V", p, NotifySelect = null, disabled = false /*!clipboard*/ };
-               MenuItem { menu, "Delete\tDel", d, NotifySelect = null, disabled = false };
-               //MenuDivider { menu };
+                  if(node.bits.isListItem/* && TODO: unless node is at root location*/)
+                  {
+                     MenuDivider { menu };
+                     MenuItem { menu, "Replace by Parent\tCtrl+R", r, NotifySelect = MenuReplaceListItemByContainingDir, disabled = false };
+                  }
+                  else if(bits.mode == list)
+                  {
+                     MenuDivider { menu };
+                     MenuItem { menu, "Replace List Item\tCtrl+R", r, NotifySelect = MenuReplaceListItemByChild, disabled = false };
+                  }
+                  MenuDivider { menu };
+                  MenuItem { menu, "Cut\tCtrl+X", t, NotifySelect = null, disabled = false };
+                  MenuItem { menu, "Copy\tCtrl+C", c, NotifySelect = null, disabled = false };
+                  MenuItem { menu, "Paste\tCtrl+V", p, NotifySelect = null, disabled = false /*!clipboard*/ };
+                  MenuItem { menu, "Delete\tDel", d, NotifySelect = null, disabled = false };
+                  //MenuDivider { menu };
+               }
 
                popup = PopupMenu
                   {
@@ -602,6 +731,15 @@ private:
          bool result;
          if((SmartKey)key == enter)
             result = OpenNode();
+         #if 0
+         else if((SmartKey)key == f2)
+            result = RenameNode();
+         #endif
+         else if((SmartKey)key == f2)
+         {
+            FileSystemNode node = selection.node;
+            node.row.Edit(nameField);
+         }
          else
             result = true;
          return true;
@@ -658,21 +796,44 @@ private:
       }
    }
 
-   bool MenuOpen(MenuItem selection, Modifiers mods)
+   bool OpenNode()
    {
-      OpenNode();
+      bool result = false;
+      FileSystemBoxSelection sel = this.selection.Copy();
+      //FileSystemNode node = selection.node;
+      for(node : sel.nodes)
+      {
+         sel.node = node;
+         if(node && node.type.isFolder && bits.navigateFolders)
+            property::path = node.path;
+         if(NotifyNodeOpen(this.master, this, sel) && !result)
+            result = true;
+      }
+      delete sel;
+      return result;
    }
 
-   bool OpenNode()
+   #if 0
+   bool RenameNode()
    {
       bool result;
-      FileSystemBoxSelection selection = this.selection.Copy();
+      //FileSystemBoxSelection selection = this.selection.Copy();
       FileSystemNode node = selection.node;
-      if(node && node.type.isFolder && bits.navigateFolders)
-         property::path = node.path;
-      result = NotifyNodeOpen(this.master, this, selection);
+      //if(node && node.type.isFolder && bits.navigateFolders)
+      //   property::path = node.path;
+      // ------------------------------------------- working here ---------------------------
+      //node.row.Edit();
+      /*result = NotifyNodeRename(this.master, this, node);
+      if(result)
+      {
+         if(RenameFile(oldn, newn))
+         {
+            node.name = newn;
+         }
+      }*/
       return result;
    }
+   #endif
 
    // Edit Menu
    Menu editMenu { menu, "Edit", e };
@@ -756,31 +917,50 @@ private:
             list.AddField(sizeField);
          }
       }*/
-      if(bits.treeBranches)
-         LoadTree();
-      else
-         LoadList();
-   }
-
-   void LoadList()
-   {
-      FileListing listing { path, extensions = extensions };
-
       list.Clear();
-      while(listing.Find())
+      if(comparedPaths && !bits.treeBranches)
+         LoadComparedList();
+      else
       {
-         if((!bits.foldersOnly && !bits.filesOnly) ||
-            (bits.foldersOnly && listing.stats.attribs.isDirectory) ||
-            (bits.filesOnly && listing.stats.attribs.isFile))
+         FileAttribs pathAttribs = FileExists(path);
+         if(pathAttribs)
          {
-            FileSystemNode node = MakeFileSystemNode(listing.stats, listing.name, listing.path, false, bits.previewPictures, displaySystem);
-            AddNode(node);
+            if(pathAttribs.isDirectory)
+            {
+               if(bits.treeBranches)
+                  LoadTreeDirectory();
+               else
+               {
+                  if(iteratorClass)
+                     LoadListIterator();
+                  else
+                     LoadListDirectory();
+               }
+            }
+            else if(pathAttribs.isFile) // we assume this is a file list
+            {
+               File f = FileOpen(path, read);
+               if(f)
+               {
+                  if(bits.treeBranches)
+                     LoadTreeFileList(f);
+                  else
+                     LoadListFileList(f);
+                  delete f;
+               }
+               else
+                  MessageBoxTodo($"unable to open file list");
+            }
+            else
+               MessageBoxTodo($"path is not a directory nor is it a file");
          }
+         else
+            MessageBoxTodo($"path does not exist");
       }
       list.Sort(nameField, 1);
    }
 
-   void LoadTree()
+   void LoadTreeDirectory()
    {
       bool isRoot = !strcmp(path, "/");
       char name[MAX_LOCATION];
@@ -798,14 +978,14 @@ private:
       else
          strcpy(path, startPath);*/
       
-      list.Clear();
+      bits.mode = directory;
 
       delete root;
-   #ifdef __WIN32__
+#ifdef __WIN32__
       if(isRoot)
       {
          root = FileSystemNode { bits.loaded = true, bits.childrenLoaded = true };
-         AddTreeNode(root, true, false, null);
+         AddTreeNode(root, true, false, false, null);
          while(listing.Find())
          {
             int len = strlen(listing.name);
@@ -825,24 +1005,37 @@ private:
                info[0] = 0;
             }
 
-            parent = MakeFileSystemNode(listing.stats, name, listing.path, false, bits.previewPictures, displaySystem);
+            parent =
+                  MakeFileSystemNode(
+                        listing.stats,
+                        name,
+                        listing.path,
+                        false, bits.previewPictures, false,
+                        displaySystem);
             if(info[0])
                parent.info = info; //CopyString(info);
             parent.bits.loaded = true;
-            AddTreeNode(parent, !listing.stats.attribs.isDirectory, listing.stats.attribs.isDirectory, root);
+            AddTreeNode(
+                  parent,
+                  !listing.stats.attribs.isDirectory,
+                  false,
+                  listing.stats.attribs.isDirectory,
+                  root);
             if(!listing.stats.attribs.isDirectory)
                parent.bits.childrenLoaded = true;
          }
 
          node = FileSystemNode { name = msNetwork, type = network };
-         AddTreeNode(node, false, true, null);
+         AddTreeNode(node, false, false, true, null);
          node.row.collapsed = true;
       }
       else
-   #endif
+#endif
       {
-         root = MakeFileSystemNode(FileStats { attribs = FileExists(path)}, name, path, false, bits.previewPictures, displaySystem);
-         AddTreeNode(root, false, true, null);
+         FileStats stats;
+         FileGetStats(path, stats);
+         root = MakeFileSystemNode(stats, name, path, false, bits.previewPictures, false, displaySystem);
+         AddTreeNode(root, false, false, true, null);
          LoadTreeNode(root);
       }
 
@@ -856,6 +1049,83 @@ private:
       list.SelectRow(root.row);
    }
 
+   void LoadListDirectory()
+   {
+      FileListing listing { path, extensions = extensions };
+
+      bits.mode = directory;
+      while(listing.Find())
+         ProcessListItem(listing.name, listing.path, listing.stats, false);
+   }
+
+   void LoadListFileList(File f)
+   {
+      char line[65536];
+      bits.mode = list;
+      while(f.GetLine(line, 65536))
+      {
+         FileStats stats {};
+         char name[MAX_FILENAME];
+         FileGetStats(line, stats);
+         GetLastDirectory(line, name);
+         ProcessListItem(name, line, stats, true);
+      }
+   }
+
+   void LoadTreeFileList(File f)
+   {
+      char line[65536];
+      bits.mode = list;
+      while(f.GetLine(line, 65536))
+      {
+         FileStats stats {};
+         char name[MAX_FILENAME];
+         FileSystemNode node;
+         FileGetStats(line, stats);
+         GetLastDirectory(line, name);
+         node = ProcessTreeItem(name, line, stats, node);
+      }
+   }
+
+   void LoadListIterator()
+   {
+      FileSystemIterator iterator = eInstance_New(iteratorClass);
+      if(iterator)
+      {
+         iterator.owner = this;
+         iterator.OnObject = ListIterator_OnObject;
+         //iterator.OnLeavingDirectory = ListIterator_OnLeavingDirectory;
+         NotifyIteratorInit(master, this, iterator);
+         iterator.Iterate(path, true);
+         delete iterator;
+      }
+   }
+
+   bool ListIterator_OnObject(char * name, char * path, FileStats stats, bool isRootObject)
+   {
+      ProcessListItem(name, path, stats, false);
+      return false;
+   }
+
+   //void ListIterator_OnLeavingDirectory(char * path) { }
+
+   void ProcessListItem(char * name, char * path, FileStats stats, bool isListItem)
+   {
+      if((!bits.foldersOnly && !bits.filesOnly) || (bits.foldersOnly && stats.attribs.isDirectory) || (bits.filesOnly && stats.attribs.isFile))
+      {
+         FileSystemNode node = MakeFileSystemNode(stats, name, path, false, bits.previewPictures, isListItem, displaySystem);
+         AddNode(node);
+      }
+   }
+
+   FileSystemNode ProcessTreeItem(char * name, char * path, FileStats stats, FileSystemNode parent)
+   {
+      FileSystemNode node = MakeFileSystemNode(stats, name, path, false, bits.previewPictures, true, displaySystem);
+      AddTreeNode(parent, false, false, true, null);
+      //LoadTreeNode(node);
+      return node;
+   }
+
    void LoadTreeNode(FileSystemNode node)
    {
       if(!node.bits.loaded)
@@ -869,14 +1139,17 @@ private:
 
             while(listing.Find())
             {
+               char * test;
+               FileSystemNode child = null;
                if(!listing.stats.attribs.isRemovable && ((!bits.foldersOnly && !bits.filesOnly) ||
                   (bits.foldersOnly && listing.stats.attribs.isDirectory) ||
                   (bits.filesOnly && listing.stats.attribs.isFile)))
-               {
-                  FileSystemNode child = MakeFileSystemNode(listing.stats, listing.name, listing.path, false, bits.previewPictures, displaySystem);
-                  AddTreeNode(child, true, false, node);
+                  child = MakeAndAddToTreeFileSystemNodeFromFileListing(listing, node);
+               if(child)
                   NodeChildLoad(child, node);
-               }
+               test = child.name;
+               if(!test)
+                  PrintLn("error");
             }
          }
          node.bits.childrenLoaded = true;
@@ -905,19 +1178,27 @@ private:
    {
       char path[MAX_LOCATION];
       parent.GetPath(path);
+      if(bits.textFileLinesStyle && FileExists(path).isFile)
+      {
+         PrintLn("Test");
+      }
+      else
       {
          bool added = false;
          FileListing listing { path, extensions = extensions };
          while(listing.Find())
          {
+            char * test;
+            FileSystemNode child = null;
             if((!bits.foldersOnly && !bits.filesOnly) ||
                (bits.foldersOnly && listing.stats.attribs.isDirectory) ||
                (bits.filesOnly && listing.stats.attribs.isFile))
-            {
-               FileSystemNode child = MakeFileSystemNode(listing.stats, listing.name, listing.path, false, bits.previewPictures, displaySystem);
-               AddTreeNode(child, listing.stats.attribs.isFile, !listing.stats.attribs.isFile, parent);
+               child = MakeAndAddToTreeFileSystemNodeFromFileListing(listing, parent);
+            if(child)
                added = true;
-            }
+            test = child.name;
+            if(!test)
+               PrintLn("error");
          }
          if(!added)
             added = true;
@@ -925,6 +1206,249 @@ private:
       parent.bits.childrenLoaded = true;
    }
 
+   void LoadComparedList()
+   {
+      int c, cmp/*, smallest*/, icon;//, equalCount;
+      int count = comparedPaths ? comparedPaths.count : 0;
+      //bool allDone = false;
+      bool not;
+      FileStats stats;
+      char path[MAX_LOCATION];
+      //Array<ComparisonState> states { };
+      //Array<FileListing> listings { };
+      //Array<int> equals { };
+      //Array<MapNode<String, int>> mapNodes { };
+
+      //Array<Map<String, int>> lists { };
+      //Map<int, bool> equals{ };
+
+
+      MapNode<String, /*Map<int, */Array<int>> na;
+      //MapNode<int, int> nb;
+      Map<String, /*Map<int, */Array<int>> names { };
+      //Map<String, Array<bool>> names { };
+      //Map<String, bool[16]> names { }; // does not seem to be working
+      //Map<String, BoolArrayInt> names { };
+      {
+         for(c = 0; c < comparedPaths.count; c++)
+         {
+            FileListing listing { comparedPaths[c], extensions = extensions };
+            while(listing.Find())
+            {
+               /*Map<int, int>*/Array<int> m = names[listing.name];
+               if(!m)
+                  m = { };
+               names[listing.name] = m;
+               /*/m[c] = */m.Add(c);
+            }
+         }
+         /* // compiles and should work but better solution?
+         for(c = 0; c < comparedPaths.count; c++)
+         {
+            FileListing listing { comparedPaths[c], extensions = extensions };
+            while(listing.Find())
+            {
+               Array<bool> a = names[listing.name];
+               if(!a)
+                  a = { };
+               names[listing.name] = a;
+               a[c] = true;
+            }
+         }
+         */
+         /* // does not seem to be working
+         for(c = 0; c < comparedPaths.count; c++)
+         {
+            FileListing listing { comparedPaths[c], extensions = extensions };
+            while(listing.Find())
+            {
+               names[listing.name][c] = true;
+            }
+         }
+         */
+         /*
+         if(comparedPaths.count > 0)
+         {
+            FileListing listing { comparedPaths[0], extensions = extensions };
+            while(listing.Find())
+            {
+               // should be able to just do names[listing.name]._0 = true;
+               BoolArrayInt bai = names[listing.name];
+               bai._0 = true;
+               names[listing.name] = bai;
+            }
+         }
+         if(comparedPaths.count > 1)
+         {
+            FileListing listing { comparedPaths[1], extensions = extensions };
+            while(listing.Find())
+            {
+               // should be able to just do names[listing.name]._1 = true;
+               BoolArrayInt bai = names[listing.name];
+               bai._1 = true;
+               names[listing.name] = bai;
+            }
+         }
+         */
+         // and so on....
+      }
+
+      /*
+      for(dirPath : comparedPaths)
+      {
+         char * p = dirPath;
+         if(FileExists(dirPath).isDirectory)
+         {
+            FileListing listing { dirPath, extensions = extensions };
+            //MapNode<String, int> mn;
+            Map<String, int> list { };
+            //states.Add(listing.Find() == true ? matching : endOfListing);
+            while(listing.Find())
+               list[listing.name] = 0;
+            //for(mn = ; mn; mn = mn.next)
+            //mn = list.root.minimum;
+            mapNodes.Add(/-*mn*-/list.root.minimum);
+            lists.Add(list);
+            //PrintLn(dirPath, " -- .Find() -- ", states[states.count-1] == matching ? listing.name : "endOfListing*");
+            //listings.Add(listing);
+
+            {
+               MapNode<String, int> mn;
+               PrintLn("------------- DIR LISTING FOR ", dirPath);
+               for(mn = list.root.minimum; mn; mn = mn.next)
+               {
+                  PrintLn(mn.key);
+               }
+            }
+         }
+      }
+      */
+
+      for(na = names.root.minimum; na; na = na.next)
+      {
+         /*Map<int, */Array<int> equals = na.value;
+         //MapNode<int, int> nb;
+      /*
+      while(!allDone)
+      {
+         smallest = 0;
+         equals.Add(0);
+         for(c = 1; c < count; c++)
+         {
+            //if(states[c] == endOfListing) continue;
+            if(!mapNodes[c]) continue;
+            // todo: use better comparison method
+            //       it should compare file type (dir/file) before
+            //       comparing file name.
+            //       should also provide alternative methods
+            //       of comparison including ones that consider
+            //       date changes as differences of some kind.
+            //       pethaps a OnCompare(a, b) to allow implementation
+            //       of custom methods of comparison.
+            // note: this (or these) method(s) depend on files
+            //       being listed in sorted order by FileListing.
+            //       different comparison methods should have
+            //       appropriatly different sorting in FileListing.
+            //
+            //cmp = strcmp(listings[smallest].name, listings[c].name);
+            cmp = fstrcmp(mapNodes[smallest].key, mapNodes[c].key);
+            PrintLn("COMPARING - ", mapNodes[smallest].key, " and ", mapNodes[c].key);
+            if(cmp == 0)
+               equals.Add(c);
+               //equals[c] = true;
+            else if(cmp > 0)
+            {
+               smallest = c;
+               equals.size = 0;
+               equals.Add(c);
+            }
+         }
+
+      */
+         if(equals.count == count) // all are equal, no diff icon
+         {
+            icon = 0;
+            not = false;
+         }
+         else if(equals.count == count-1) // all are equal but one, not-sign icon for singled out missing
+         {
+            int i;
+            /*
+            for(nb = equals.root.minimum, i = 0; nb; nb = nb.next, i++)
+            {
+               if(i != nb.key)
+               */
+            for(i = 0; i < equals.count; i++)
+            {
+               if(i != equals[i])
+               {
+                  icon = i+1;
+                  break;
+               }
+            }
+            //if(!nb)
+            if(i == equals.count)
+               icon = count;
+            not = true;
+         }
+         else if(equals.count == 1) // only one is present, all others missing, present-sign for singled out present
+         {
+            //icon = equals.root.minimum.key+1;
+            icon = equals[0]+1;
+            not = false;
+         }
+         else // mixed
+         {
+            icon = 0; // todo
+            not = true;
+         }
+#if 0
+         // or
+         if(equals.count == count) // all are equal, no diff icon
+            ;
+         else if(count/2 - equals.count < 0) // more than half are equal, use not-sign icons for all missing
+            ;
+         else // less than half are equal, use present-sign icons for all present
+            ;
+#endif
+
+         /*if((!bits.foldersOnly && !bits.filesOnly) ||
+            (bits.foldersOnly && listings[smallest].stats.attribs.isDirectory) ||
+            (bits.filesOnly && listings[smallest].stats.attribs.isFile))*/
+         strcpy(path, comparedPaths[/*smallest*/equals[0]]);
+         PathCat(path, /*mapNodes[smallest].key*/na.key);
+         FileGetStats(path, stats);
+         if((!bits.foldersOnly && !bits.filesOnly) ||
+            (bits.foldersOnly && stats.attribs.isDirectory) ||
+            (bits.filesOnly && stats.attribs.isFile))
+         {
+            FileSystemNode node =
+                  MakeComparedFileSystemNode(
+                        stats,
+                        /*mapNodes[smallest].key*/na.key,
+                        path,
+                        false, bits.previewPictures,
+                        icon, not, equals,
+                        displaySystem);
+            AddNode(node);
+         }
+      /*
+         for(equal : equals)
+         {
+            mapNodes[equal] = mapNodes[equal].next;
+            //states[equal] = listings[equal].Find() == true ? matching : endOfListing;
+            //PrintLn(comparedPaths[equal], " -- .Find() -- ", states[equal] == matching ? listings[equal].name : "endOfListing*");
+         }
+         equals.size = 0;
+         //for(c = 0; c < count && states[c] == endOfListing; c++);
+         for(c = 0; c < count && !mapNodes[c]; c++);
+         if(c == count)
+            allDone = true;
+      */
+      }
+      list.Sort(nameField, 1);
+   }
+
    void AddNode(FileSystemNode node)
    {
       DataRow row = list.AddRow();
@@ -933,7 +1457,11 @@ private:
       incref node;
       row.SetData(nameField, node);
       if(bits.pathColumn)
-         row.SetData(pathField, node.path);
+      {
+         char path[MAX_LOCATION];
+         StripLastDirectory(node.path, path);
+         row.SetData(pathField, CopyString(path));
+      }
       if(bits.details)
       {
          if(node.type.isFile)
@@ -945,7 +1473,46 @@ private:
       }
    }
 
-   void AddTreeNode(FileSystemNode node, bool loaded, bool addLoader, FileSystemNode addTo)
+   FileSystemNode MakeAndAddToTreeFileSystemNodeFromFileListing(FileListing listing, FileSystemNode parent)
+   {
+      FileSystemNode result = null;
+      /*if((!bits.foldersOnly && !bits.filesOnly) ||
+         (bits.foldersOnly && listing.stats.attribs.isDirectory) ||
+         (bits.filesOnly && listing.stats.attribs.isFile))*/
+      /*if(!listing.stats.attribs.isRemovable && ((!bits.foldersOnly && !bits.filesOnly) ||
+         (bits.foldersOnly && listing.stats.attribs.isDirectory) ||
+         (bits.filesOnly && listing.stats.attribs.isFile)))*/
+      {
+         bool textFileLinesStyle = false;
+         char * test = listing.name;
+         if(!test)
+            PrintLn("error");
+         result = MakeFileSystemNode(listing.stats, listing.name, listing.path, false, bits.previewPictures, false, displaySystem);
+         test = result.name;
+         if(!test)
+            PrintLn("error");
+         if(bits.textFileLinesStyle)
+         {
+            char ext[MAX_LOCATION];
+            GetExtension(listing.name, ext);
+            if(!strcmpi(ext, "txt") || !strcmpi(ext, "text"))
+               textFileLinesStyle = true;
+         }
+         //AddTreeNode(result, true, false, textFileLinesStyle, parent);
+         AddTreeNode(result, !textFileLinesStyle && listing.stats.attribs.isFile, false, !listing.stats.attribs.isFile || textFileLinesStyle, parent);
+         test = result.name;
+         if(!test)
+            PrintLn("error");
+      }
+      return result;
+   }
+
+   void AddTreeNode(
+      FileSystemNode node,
+      bool loaded,
+      bool childrenLoaded,
+      bool addLoader,
+      FileSystemNode addTo)
    {
       DataRow row = (addTo && addTo.row) ? addTo.row.AddRow() : list.AddRow();
       if(addTo)
@@ -958,7 +1525,11 @@ private:
       node.row = row;
       row.SetData(null, node);
       if(bits.pathColumn)
-         row.SetData(pathField, node.path);
+      {
+         char path[MAX_LOCATION];
+         StripLastDirectory(node.path, path);
+         row.SetData(pathField, CopyString(path));
+      }
       if(bits.details)
       {
          if(node.type.isFile)
@@ -970,11 +1541,12 @@ private:
       }
 
       node.bits.loaded = loaded;
+      node.bits.childrenLoaded = childrenLoaded;
       if(addLoader)
          //AddTreeNode(FileSystemNode { }, false, false, node); // why would this create a compile error?
-         AddTreeNode(FileSystemNode { type = none }, false, false, node);
+         AddTreeNode(FileSystemNode { type = none, name = "Loader" }, false, false, false, node);
 
-      if(node.indent > 0)
+      if(node.indent > 0 || bits.mode == list)
          row.collapsed = true;
       else if(node.type == folder)
          node.type = folderOpen;
@@ -995,6 +1567,8 @@ private:
    }
 }
 
+enum ComparisonState { endOfListing, matching };
+
 /*
 #if 0
 class ExplorerView : FileSystemBox
@@ -1673,7 +2247,7 @@ public:
    #else
       root.name = "/";
    #endif
-      AddTreeNode(root, true, false, null, tree);
+      AddTreeNode(root, true, false, false, null, tree);
 
    // How can this make sense for linux? 
    #ifdef __WIN32__
@@ -1700,13 +2274,13 @@ public:
          if(info[0])
             parent.info = CopyString(info);
          parent.loaded = true;
-         AddTreeNode(parent, !listing.stats.attribs.isDirectory, listing.stats.attribs.isDirectory, root, tree);
+         AddTreeNode(parent, !listing.stats.attribs.isDirectory, false, listing.stats.attribs.isDirectory, root, tree);
          if(!listing.stats.attribs.isDirectory)
             parent.childrenLoaded = true;
       }
    #endif
       node = FileSystemNode { name = msNetwork, type = network };
-      AddTreeNode(node, false, true, null, tree);
+      AddTreeNode(node, false, false, true, null, tree);
       node.row.collapsed = true;
       tree.Sort(nameField, 1);
       tree.SelectRow(root.row);
@@ -2079,7 +2653,7 @@ private:
 
 class FileSystemNodeBits
 {
-   bool loaded:1, childrenLoaded:1, displayPath:1;
+   bool loaded:1, childrenLoaded:1, isListItem:1;
 };
 
 public class FileSystemNode
@@ -2110,6 +2684,8 @@ public:
 
    int indent;
 
+   property bool isListItem { set { bits.isListItem = value; } get { return bits.isListItem; } };
+
    property char * path
    {
       set { delete path; if(value && value[0]) path = CopyString(value); }
@@ -2145,6 +2721,10 @@ public:
 
    Bitmap bitmap;
 
+   int cmpIcon;
+   bool cmpNot;
+   Array<int> exists; // would use (see) BoolArrayInt to pack this into an int if could be accessed as an array
+
    void GetPath(String outputPath)
    {  
       if(path)
@@ -2194,7 +2774,7 @@ public:
             FileSystemNode copy { };
             copy.name = child.name; //CopyString(child.name);
             copy.type = child.type;
-            fsb.AddTreeNode(copy, child.bits.loaded, false, addTo);
+            fsb.AddTreeNode(copy, child.bits.loaded, false, false, addTo);
             if(forceExpanded)
                copy.row.collapsed = false;
             if(recursive)
@@ -2248,25 +2828,46 @@ public:
       int len;
       int w, h;
       //int textOffset;
-      char string[MAX_FILENAME];
+      char * alt;
+      char text[MAX_LOCATION];
+      bool comp;
 
       Bitmap icon;
+      Bitmap diffIcon;
+      Bitmap notIcon;
 
       if(!this)
          return;
       
+      comp = fsb.comparedPaths && fsb.comparedPaths.count > 1;
       icon = fsb.fileIcons[type].bitmap;
+      alt = bits.isListItem ? path : name;
+      if(comp && !fsb.bits.columnsCompareStyle && cmpIcon)
+      {
+         /*
+         diffIcon = Bitmap { };
+         diffIcon.AllocateDD(
+               surface.display.displaySystem,
+               fsb.compIcons[cmpIcon].bitmap.width,
+               fsb.compIcons[cmpIcon].bitmap.height);
+         if(fsb.compIcons[cmpIcon].bitmap)
+            diffIcon.Copy(fsb.compIcons[cmpIcon].bitmap);
+         */
+         diffIcon = fsb.compIcons[cmpIcon-1].bitmap;
+         notIcon = fsb.compIcons[countOfCompIconNames-1].bitmap;
+      }
       //xStart = indent * indent + x + (icon ? (icon.width + 5) : 0);
-      xStart = x + (icon ? (icon.width + 5) : 0);
+      xStart = x + (icon ? (icon.width + 5) : 0) + (comp ? 18*(fsb.bits.columnsCompareStyle ? fsb.comparedPaths.count : 1) : 0);
 
-      if(!name)
+      if(!alt)
          return;
 
       if(info)
-         sprintf(string, "%s [%s]", label ? label : name, info);
+         sprintf(text, "%s [%s]", label ? label : alt, info);
       else
-         strcpy(string, label ? label : name);
-      len = strlen(string);
+         strcpy(text, label ? label : alt); //"%d-%d/%s", stats.inode, stats.nlink
+         //sprintf(text, "%d-%d/%s", stats.inode, stats.nlink, label ? label : alt);
+      len = strlen(text);
       
       if(!icon)
       {
@@ -2279,7 +2880,7 @@ public:
       
       surface.SetForeground(displayFlags.selected ? fsb.selectionText : fsb.foreground);
       surface.TextOpacity(false);
-      surface.TextExtent(string, len, &w, &h);
+      surface.TextExtent(text, len, &w, &h);
       h = Max(h, 16);
     
       // Draw the current row stipple
@@ -2288,8 +2889,8 @@ public:
          //surface.Area(xStart + w - 1, y, xStart + w + 1, y + h - 1);
          surface.Area(xStart - 3, y, xStart + w + 1, y + h - 1);
       
-      //surface.WriteTextDots(alignment, x + textOffset, y + 2, width - textOffset, name, strlen(name));
-      surface.WriteTextDots(alignment, xStart, y + 2, width, string, len);
+      //surface.WriteTextDots(alignment, x + textOffset, y + 2, width - textOffset, alt, strlen(alt));
+      surface.WriteTextDots(alignment, xStart, y + 2, width, text, len);
 
       if(!guiApp.textMode)
       {
@@ -2311,6 +2912,80 @@ public:
             surface.LineStipple(0);
          }
 
+         if(comp)
+         {
+            if(!fsb.bits.columnsCompareStyle && diffIcon)
+            {
+               w = diffIcon.width;
+               h = diffIcon.height;
+               /*if(cmpNot && notIcon)
+               {
+                  Surface s = diffIcon.GetSurface(0,0, {w,h});
+                  s.SetForeground(white);
+                  s.Blit(notIcon, x,y, 0,0, w,h);
+                  delete s;
+               }*/
+               surface.SetForeground(white);
+               surface.Blit(diffIcon, x,y, 0,0, w,h);
+               if(cmpNot && notIcon)
+                  surface.Blit(notIcon, x,y, 0,0, w,h);
+               x+=18;
+               //delete diffIcon;
+            }
+            else if(fsb.bits.columnsCompareStyle && exists && exists.count)
+            {
+               int c, d;
+               for(c = d = 0; c < fsb.comparedPaths.count; c++)
+               {
+                  if(d == exists.count || exists[d] != c)
+                     x+=18;
+                  else
+                  {
+                     diffIcon = fsb.compIcons[c].bitmap;
+                     if(diffIcon)
+                     {
+                        w = diffIcon.width;
+                        h = diffIcon.height;
+                        surface.SetForeground(white);
+                        surface.Blit(diffIcon, x,y, 0,0, w,h);
+                     }
+                     x+=18;
+                     d++;
+                  }
+               }
+               /*
+               for(c = d = 0; c < exists.count; c++)
+               {
+                  if(exists[c] != d)
+                  {
+                     d = exists[c]+1;
+                     x+=18*(exists[c]-d);
+                  }
+                  else
+                  {
+                     diffIcon = fsb.compIcons[exists[c]].bitmap;
+                     if(diffIcon)
+                     {
+                        w = diffIcon.width;
+                        h = diffIcon.height;
+                        surface.SetForeground(white);
+                        surface.Blit(diffIcon, x,y, 0,0, w,h);
+                     }
+                     d++;
+                     x+=18;
+                  }
+               }
+               if(exists.count < fsb.comparedPaths.count && exists[exists.count-1] != d)
+               {
+                  x+=18*(exists[exists.count-1]-d);
+               }
+               */
+            }
+            else if(fsb.bits.columnsCompareStyle)
+            {
+               x+=18*fsb.comparedPaths.count;
+            }
+         }
          if(icon)
          {
             w = icon.width;
@@ -2340,17 +3015,70 @@ public:
             //surface.alphaWrite = blend;
             surface.SetForeground(white);
             //surface.Blit(icon, x + indent * indentSize, y,0,0, icon.width, icon.height);
-            surface.Blit(icon, x,y,0,0, icon.width, icon.height);
+            surface.Blit(icon, x,y, 0,0, w,h);
          }
       }
    }
 
+   Window OnEdit(DataBox dataBox, DataBox obsolete, int x, int y, int w, int h, void * userData)
+   {
+      EditBox editBox
+      {
+         dataBox, anchor = { 0, 0, 0, 0 };
+         borderStyle = none;
+         //borderStyle = contour;
+         opacity = 1.0f;
+         //background = white;
+         //autoSize = true;
+         contents = name;
+      };
+      //dataBox.borderStyle = none;
+      dataBox.borderStyle = contour;
+      dataBox.background = white;
+      //dataBox.opacity = 0.0f;
+      editBox.Create();
+      return editBox;
+   }
+
+   bool OnSaveEdit(EditBox editBox, void * object)
+   {
+      bool changed = false;
+      if(editBox.modifiedDocument)
+      {
+#if 0
+         // how the heck did this work for PathBox? :S
+         //String::OnFree();
+         //changed = _class._vTbl[__ecereVMethodID_class_OnGetDataFromString](_class, &this, editBox.contents);
+         PrintLn(name);
+         //if(strcmp(editBox.contents, this.name))
+         ;
+         /*{
+            //changed = NotifyNodeRename(this.master, this, node);
+            changed = true;
+            if(changed && RenameFile(name, editBox.contents))
+            {
+               name = editBox.contents;
+            }
+            else
+            {
+               changed = false;
+            }
+         }*/
+#endif
+      }
+      return changed;
+   }
+
    int OnCompare(FileSystemNode b)
    {
       int result;
       FileSystemNode a = this;
       if(a.type == b.type || (a.type < folder && b.type < folder) || (a.type >= drive))
+      {
+         if(!a.name || !b.name)
+            PrintLn("error: FileSystemNode::OnCompare -- null-named node");
          result = strcmpi(a.name, b.name);
+      }
       else
       {
          if(a.type == folder && b.type < folder) result = -1;
@@ -2360,16 +3088,32 @@ public:
       return result;
    }
 
-   /*int OnCompare(FileSystemNode b)
+#if 0
+   //int OnCompare(FileSystemNode b)
+   //{
+      //int result;
+      //FileSystemNode a = this;
+      //if(a.parent < b.parent) result = -1;
+      //else if(a.parent > b.parent) result = 1;
+      //else
+         //result = fstrcmp(a.name, b.name);
+      //return result;
+   //}
+#endif
+
+   bool OnGetDataFromString(char * string)
    {
-      int result;
-      FileSystemNode a = this;
-      if(a.parent < b.parent) result = -1;
-      else if(a.parent > b.parent) result = 1;
-      else
-         result = fstrcmp(a.name, b.name);
-      return result;
-   }*/
+#if 0
+      if(string && *string)
+      {
+         int len = strlen(string) + 1;
+         name = new char[len];
+         CopyBytes(name, string, len);
+         return true;
+      }
+#endif
+      return false;
+   }
 
    char * OnGetString(char * tempString, FileSystemToolWindow fileSysToolWnd, bool * needClass)
    {
@@ -2413,6 +3157,7 @@ FileSystemNode MakeFileSystemNode(
    const char * path,
    const bool pathAddName,
    const bool previewPicture,
+   const bool isListItem,
    const DisplaySystem displaySystem)
 {
    int len = strlen(name);
@@ -2494,5 +3239,67 @@ FileSystemNode MakeFileSystemNode(
       node.bitmap.Load(path, null, displaySystem);
    }
 
+   if(isListItem)
+      node.bits.isListItem = true;
+
    return node;
 }
+
+FileSystemNode MakeComparedFileSystemNode(
+   const FileStats stats,
+   const char * name,
+   const char * path,
+   const bool pathAddName,
+   const bool previewPicture,
+   const int cmpIcon,
+   const bool cmpNot,
+   const Array<int> exists,
+   const DisplaySystem displaySystem)
+{
+   FileSystemNode node = MakeFileSystemNode(stats, name, path, pathAddName, previewPicture, false, displaySystem);
+   if(node)
+   {
+      node.cmpIcon = cmpIcon;
+      node.cmpNot = cmpNot;
+      node.exists = exists;
+   }
+   return node;
+}
+
+#if 0 // could we do this?
+class BoolArrayInt : int
+{
+   // packing 32 bools in one int exposing them as an array
+   bool [32]:1; // the :1 specifies the size of each element
+   // byte [4]:8; // packing 4 bytes in an int exposing them as an arrat
+}
+// allowing you to access each 32 bits with the following notation:
+static void Dummy()
+{
+   int c;
+   BoolArrayInt a;
+   a[0] = true;
+   a[31] = false;
+   for(c = 0; c < 32; c++)
+      a[c] = SomFunction(...);
+}
+#endif
+class BoolArrayInt : int
+{
+   bool  _0:1;
+   bool  _1:1;
+   bool  _2:1;
+   bool  _3:1;
+   bool  _4:1;
+   bool  _5:1;
+   bool  _6:1;
+   bool  _7:1;
+   bool  _8:1;
+   bool  _9:1;
+   bool _10:1;
+   bool _11:1;
+   bool _12:1;
+   bool _13:1;
+   bool _14:1;
+   bool _15:1;
+}