editors.h

delphi做的类似与属性编辑器一样的控件

//---------------------------------------------------------------------------

#ifndef EditorsH
#define EditorsH

#include <vcl.h>
#include "VirtualTrees.hpp"
namespace WZZ_Editors_namespace
{
//---------------------------------------------------------------------------
typedef enum {
    vtNone,
    vtString,
    vtPickString,
    vtNumber,
    vtPickNumber,
    vtMemo,
    vtDate
}TValueType;

//----------------------------------------------------------------------------------------------------------------------

typedef struct __tagPropertyData
{
    TValueType ValueType;
    WideString Value;      // This value can actually be a date or a number too.
    bool Changed;
}TPropertyData ,*PPropertyData;

  // Our own edit link to implement several different node editors.
class  TPropertyEditLink :public IVTEditLink
{
  private:
    ULONG FRefCount;           //  used by our own implementation of the interface
    TWinControl *FEdit;        // One of the property editor classes.
    TVirtualStringTree *FTree; // A back reference to the tree calling.
    PVirtualNode FNode;       // The node being edited.
    int FColumn;          // The column of the node being edited.
  protected:
    void __fastcall EditKeyDown(TObject *Sender, WORD &Key, TShiftState Shift);
  public:
    __fastcall TPropertyEditLink();
    virtual __fastcall ~TPropertyEditLink(void);

    // IUnknown members
    virtual ULONG   __stdcall AddRef();
    virtual ULONG   __stdcall Release();
    virtual HResult  __stdcall QueryInterface(const GUID& IID, void** ppv);

    virtual bool __stdcall BeginEdit(void);
    virtual bool __stdcall CancelEdit(void);
    virtual bool __stdcall EndEdit(void);
    virtual bool __stdcall PrepareEdit(TBaseVirtualTree* Tree, PVirtualNode Node, TColumnIndex Column);
    virtual Types::TRect __stdcall GetBounds(void);
    virtual void __stdcall ProcessMessage(Messages::TMessage &Message);
    virtual void __stdcall SetBounds(const Types::TRect R);

};

//----------------------------------------------------------------------------------------------------------------------
typedef enum{
    ptkText,
    ptkHint
}TPropertyTextKind ;
// The following constants provide the property tree with default data.

const
  // Types of editors to use for a certain node in VST3.
  TValueType ValueTypes[2][13]= {
    {
      vtString,     // Title
      vtString,     // Theme
      vtPickString, // Category
      vtMemo,       // Keywords
      vtNone,       // Template
      vtNone,       // Page count
      vtNone,       // Word count
      vtNone,       // Character count
      vtNone,       // Lines
      vtNone,       // Paragraphs
      vtNone,       // Scaled
      vtNone,       // Links to update
      vtMemo},      // Comments
    {
      vtString,     // Author
      vtNone,       // Most recently saved by
      vtNumber,     // Revision number
      vtPickString, // Primary application
      vtString,     // Company name
      vtNone,       // Creation date
      vtDate,       // Most recently saved at
      vtNone,       // Last print
      vtNone,
      vtNone,
      vtNone,
      vtNone,
      vtNone}
};

  // types of editors to use for a certain node in VST3
AnsiString  DefaultValue[2][13] = {
    {
      "Virtual Treeview",         // Title
      "native Delphi controls",   // Theme
      "Virtual Controls",         // Category
      "virtual, treeview, VCL",   // Keywords
      "no template used",         // Template
      "> 900",                    // Page count
      "?",                        // Word count
      "~ 1.000.000",              // Character count
      "~ 28.000",                 // Lines
      "",                         // Paragraphs
      "False",                    // Scaled
      "www.delphi-gems.com",    // Links to update
      "Virtual Treeview is much more than a simple treeview."}, // Comments
    {
      "Dipl. Ing. Mike Lischke",  // Author
      "Mike Lischke",             // Most recently saved by
      "3.0",                      // Revision number
      "Delphi",                   // Primary application
      "",                         // Company name
      "July 1999",                // Creation date
      "January 2002",             // Most recently saved at
      "",                         // Last print
      "",
      "",
      "",
      "",
      ""}
  };

  // Fixed strings for property tree (VST3).
AnsiString PropertyTexts[2][13][2] = {
    {// first {upper} subtree
     {"Title", "Title of the file or document"},
     {"Theme", "Theme of the file or document"},
     {"Category", "Category of theme"},
     {"Keywords", "List of keywords which describe the content of the file"},
     {"Template", "Name of the template which was used to create the document"},
     {"Page count", "Number of pages in the document"},
     {"Word count", "Number of words in the document"},
     {"Character count", "Number of characters in the document"},
     {"Lines", "Number of lines in the document"},
     {"Paragraphs", "Number of paragraphs in the document"},
     {"Scaled", "Scaling of the document for output"},
     {"Links to update", "Links which must be updated"},
     {"Comments", "Description or comments for the file"}
     },
    {// second {lower} subtree
     {"Author", "name of the author of the file or document"},
     {"Most recently saved by", "Name of the person who has saved the document last"},
     {"Revision number", "Revision number of the file or document"},
     {"Primary application", "Name of the application which is primarily used to create this kind of file"},
     {"Company name", "Name of the company or institution"},
     {"Creation date", "Date when the file or document was created"},
     {"Most recently saved at", "Date when the file or document was saved the last time"},
     {"Last print", "Date when the file or document was printed the last time"},
     {"", ""},   // the remaining 5 entries are not used
     {"", ""},
     {"", ""},
     {"", ""},
     {"", ""}
   }
  };

//----------------------------------------------------------------------------------------------------------------------
/*
typedef struct __tagGridData{
    TValueType ValueType[4]; // one for each column
    Variant Value[4];
    bool Changed;
}TGridData,*PGridData;

  // Our own edit link to implement several different node editors.
class TGridEditLink :public(TPropertyEditLink, IVTEditLink)
{
  public:
    virtual bool __stdcall EndEdit(void);
    virtual bool __stdcall PrepareEdit(TBaseVirtualTree* Tree, PVirtualNode Node, TColumnIndex Column);
};

*/
//----------------------------------------------------------------------------------------------------------------------
}
#endif