StoreCharCodeAction Class Reference

This action is used to restore a character's UniCode value on undo. Using this an op can chage the character code of a TextChar without having to hide the old char and create a new one. More...

#include <textacts.h>

Inheritance diagram for StoreCharCodeAction:

List of all members.

Public Member Functions
	StoreCharCodeAction ()
	Constructor - initialises the member variables.
	~StoreCharCodeAction ()
	Destructor.
virtual ActionCode	Execute ()
	Called during undo/redo to restore a character code to a particular character Inserts StoreCharCodeAction to restore the current character code then sets it to the value in the action.
Static Public Member Functions
static ActionCode	Init (Operation *, ActionList *, TextStory *, TextChar *)
static BOOL	DoStoreCharacterCode (Operation *pOp, ActionList *, TextChar *)
Protected Attributes
TextChar *	pChar
WCHAR	CharCode

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Detailed Description

This action is used to restore a character's UniCode value on undo. Using this an op can chage the character code of a TextChar without having to hide the old char and create a new one.

Author:

Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com>

Date:

15/5/95

See also:

BaseTextAction

Definition at line 145 of file textacts.h.

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Constructor & Destructor Documentation

StoreCharCodeAction::StoreCharCodeAction (   )

Constructor - initialises the member variables. Author: Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com> Date: 15/5/95 Definition at line 150 of file textacts.cpp. { pChar = NULL; CharCode = 0; }

StoreCharCodeAction::~StoreCharCodeAction (   )

Destructor. Author: Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com> Date: 15/5/95 Definition at line 164 of file textacts.cpp. { }

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Member Function Documentation

BOOL StoreCharCodeAction::DoStoreCharacterCode (  Operation *  pOp, ActionList *  , TextChar *  )  [static]

Definition at line 253 of file textacts.cpp. { // Check the parameters ERROR2IF(pOp == NULL, AC_FAIL, "The operation pointer is NULL"); ERROR2IF(pActionList == NULL, AC_FAIL, "The action list pointer is NULL"); ERROR2IF(pTextChar == NULL, AC_FAIL, "TextChar pointer is NULL"); // Get a pointer to the characters parent TextStory TextStory* pParentStory = (TextStory*)pTextChar->FindParent(CC_RUNTIME_CLASS(TextStory)); ERROR2IF(pParentStory == NULL, AC_FAIL, "TextChar has no parent TextStory"); // Insert the action ActionCode Ac; Ac = Init(pOp, pActionList, pParentStory, pTextChar); return (Ac != AC_FAIL); }

ActionCode StoreCharCodeAction::Execute (   )  [virtual]

Called during undo/redo to restore a character code to a particular character Inserts StoreCharCodeAction to restore the current character code then sets it to the value in the action. Author: Peter_Arnold (Xara Group Ltd) <camelotdev@xara.com> Date: 15/5/95 Reimplemented from Action. Definition at line 178 of file textacts.cpp. { // Check the member variables ERROR2IF(pStory == NULL, AC_FAIL, "The TextStory pointer is NULL"); ERROR2IF(pChar == NULL, AC_FAIL, "TextChar pointer is NULL"); // Insert an action to restore the character code to its current value on redo ActionCode ActCode; ActCode = StoreCharCodeAction::Init(pOperation, pOppositeActLst, pStory, pChar); // Now set the character code the old value if (ActCode != AC_FAIL) pChar->SetUnicodeValue(CharCode); return ActCode; }

ActionCode StoreCharCodeAction::Init (  Operation *  , ActionList *  , TextStory *  , TextChar *  )  [static]

Definition at line 213 of file textacts.cpp. { // Check the parameters ERROR2IF(pOp == NULL, AC_FAIL, "The operation pointer is NULL"); ERROR2IF(pActionList == NULL, AC_FAIL, "The action list pointer is NULL"); ERROR2IF(pTextStory == NULL, AC_FAIL, "The TextStory pointer is NULL"); ERROR2IF(pTextChar == NULL, AC_FAIL, "TextChar pointer is NULL"); // Create a new action and insert it in the action list UINT32 ActSize = sizeof(StoreCharCodeAction); StoreCharCodeAction* pNewAction = NULL; ActionCode Ac = Action::Init( pOp, pActionList, ActSize, CC_RUNTIME_CLASS(StoreCharCodeAction), (Action**)&pNewAction); // Set the members of the new action if ((Ac == AC_OK) && (pNewAction != NULL)) { pNewAction->pStory = pTextStory; pNewAction->pChar = pTextChar; pNewAction->CharCode = pTextChar->GetUnicodeValue(); } return Ac; }

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Member Data Documentation

WCHAR StoreCharCodeAction::CharCode [protected]

Definition at line 159 of file textacts.h.

TextChar* StoreCharCodeAction::pChar [protected]

Definition at line 158 of file textacts.h.

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The documentation for this class was generated from the following files:

• Kernel/textacts.h (r1785/r1282)
• Kernel/textacts.cpp (r1785/r751)

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