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lightning-sunbird  0.9+nobinonly
CreateElementTxn.h
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00037 
00038 #ifndef CreateElementTxn_h__
00039 #define CreateElementTxn_h__
00040 
00041 #include "EditTxn.h"
00042 #include "nsEditor.h"
00043 #include "nsIDOMNode.h"
00044 #include "nsCOMPtr.h"
00045 
00046 #define CREATE_ELEMENT_TXN_CID \
00047 {/* 7a6393c0-ac48-11d2-86d8-000064657374 */ \
00048 0x7a6393c0, 0xac48, 0x11d2, \
00049 {0x86, 0xd8, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74} }
00050 
00054 class CreateElementTxn : public EditTxn
00055 {
00056 public:
00057 
00058   static const nsIID& GetCID() { static const nsIID iid = CREATE_ELEMENT_TXN_CID; return iid; }
00059 
00060   enum { eAppend=-1 };
00061 
00069   NS_IMETHOD Init(nsEditor *aEditor,
00070                   const nsAString& aTag,
00071                   nsIDOMNode *aParent,
00072                   PRUint32 aOffsetInParent);
00073 
00074 private:
00075   CreateElementTxn();
00076 
00077 public:
00078 
00079   virtual ~CreateElementTxn();
00080 
00081   NS_IMETHOD DoTransaction(void);
00082 
00083   NS_IMETHOD UndoTransaction(void);
00084 
00085   NS_IMETHOD RedoTransaction(void);
00086 
00087   NS_IMETHOD Merge(nsITransaction *aTransaction, PRBool *aDidMerge);
00088 
00089   NS_IMETHOD GetTxnDescription(nsAString& aTxnDescription);
00090 
00091   NS_IMETHOD GetNewNode(nsIDOMNode **aNewNode);
00092 
00093 protected:
00094   
00096   nsEditor* mEditor;
00097   
00099   nsString mTag;
00100 
00102   nsCOMPtr<nsIDOMNode> mParent;
00103 
00105   PRUint32 mOffsetInParent;
00106 
00108   nsCOMPtr<nsIDOMNode> mNewNode;  
00109 
00111   nsCOMPtr<nsIDOMNode> mRefNode;
00112 
00113   friend class TransactionFactory;
00114 
00115 };
00116 
00117 #endif