src/apps/icon-o-matic/style/AssignStyleCommand.cpp

   1 /*
   2  * Copyright 2006, Haiku. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Stephan Aßmus <superstippi@gmx.de>
   7  */
   8
   9 #include "AssignStyleCommand.h"
  10
  11 #include <Catalog.h>
  12 #include <Locale.h>
  13
  14 #include "Shape.h"
  15 #include "Style.h"
  16
  17
  18 #undef B_TRANSLATION_CONTEXT
  19 #define B_TRANSLATION_CONTEXT "Icon-O-Matic-AssignStyleCmd"
  20
  21
  22 // constructor
  23 AssignStyleCommand::AssignStyleCommand(Shape* shape,
  24                                                                            Style* style)
  25         : Command(),
  26           fShape(shape),
  27           fOldStyle(shape ? shape->Style() : NULL),
  28           fNewStyle(style)
  29 {
  30         if (fOldStyle)
  31                 fOldStyle->AcquireReference();
  32         if (fNewStyle)
  33                 fNewStyle->AcquireReference();
  34 }
  35
  36 // destructor
  37 AssignStyleCommand::~AssignStyleCommand()
  38 {
  39         if (fOldStyle)
  40                 fOldStyle->ReleaseReference();
  41         if (fNewStyle)
  42                 fNewStyle->ReleaseReference();
  43 }
  44
  45 // InitCheck
  46 status_t
  47 AssignStyleCommand::InitCheck()
  48 {
  49         return fShape && fNewStyle ? B_OK : B_NO_INIT;
  50 }
  51
  52 // Perform
  53 status_t
  54 AssignStyleCommand::Perform()
  55 {
  56         fShape->SetStyle(fNewStyle);
  57
  58         return B_OK;
  59 }
  60
  61 // Undo
  62 status_t
  63 AssignStyleCommand::Undo()
  64 {
  65         fShape->SetStyle(fOldStyle);
  66
  67         return B_OK;
  68 }
  69
  70 // GetName
  71 void
  72 AssignStyleCommand::GetName(BString& name)
  73 {
  74         name << B_TRANSLATE("Assign Style");
  75         if (fNewStyle)
  76                 name << " \"" << fNewStyle->Name() << "\"";
  77 }
  78