src/apps/icon-o-matic/document/SetPropertiesCommand.cpp

   1 /*
   2  * Copyright 2006, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Stephan Aßmus <superstippi@gmx.de>
   7  */
   8
   9 #include "SetPropertiesCommand.h"
  10
  11 #include <stdio.h>
  12
  13 #include <Catalog.h>
  14 #include <Locale.h>
  15
  16 #include "CommonPropertyIDs.h"
  17 #include "IconObject.h"
  18 #include "Property.h"
  19 #include "PropertyObject.h"
  20
  21
  22 #undef B_TRANSLATION_CONTEXT
  23 #define B_TRANSLATION_CONTEXT "Icon-O-Matic-Properties"
  24
  25
  26 // constructor
  27 SetPropertiesCommand::SetPropertiesCommand(IconObject** objects,
  28                                                                                    int32 objectCount,
  29                                                                                    PropertyObject* previous,
  30                                                                                    PropertyObject* current)
  31         : Command(),
  32           fObjects(objects),
  33           fObjectCount(objectCount),
  34
  35           fOldProperties(previous),
  36           fNewProperties(current)
  37 {
  38 }
  39
  40 // destructor
  41 SetPropertiesCommand::~SetPropertiesCommand()
  42 {
  43         delete[] fObjects;
  44         delete fOldProperties;
  45         delete fNewProperties;
  46 }
  47
  48 // InitCheck
  49 status_t
  50 SetPropertiesCommand::InitCheck()
  51 {
  52         return fObjects && fOldProperties && fNewProperties
  53                    && fObjectCount > 0 && fOldProperties->CountProperties() > 0
  54                    && fOldProperties->ContainsSameProperties(*fNewProperties) ?
  55                    B_OK : B_NO_INIT;
  56 }
  57
  58 // Perform
  59 status_t
  60 SetPropertiesCommand::Perform()
  61 {
  62         for (int32 i = 0; i < fObjectCount; i++) {
  63                 if (fObjects[i])
  64                         fObjects[i]->SetToPropertyObject(fNewProperties);
  65         }
  66         return B_OK;
  67 }
  68
  69 // Undo
  70 status_t
  71 SetPropertiesCommand::Undo()
  72 {
  73         for (int32 i = 0; i < fObjectCount; i++) {
  74                 if (fObjects[i])
  75                         fObjects[i]->SetToPropertyObject(fOldProperties);
  76         }
  77         return B_OK;
  78 }
  79
  80 // GetName
  81 void
  82 SetPropertiesCommand::GetName(BString& name)
  83 {
  84         if (fOldProperties->CountProperties() > 1) {
  85                 if (fObjectCount > 1)
  86                         name << B_TRANSLATE("Multi Paste Properties");
  87                 else
  88                         name << B_TRANSLATE("Paste Properties");
  89         } else {
  90                 BString property = name_for_id(
  91                         fOldProperties->PropertyAt(0)->Identifier());
  92                 if (fObjectCount > 1)
  93                         name << B_TRANSLATE_CONTEXT("Multi Set ",
  94                                 "Multi Set (property name)") << property;
  95                 else
  96                         name << B_TRANSLATE_CONTEXT("Set ", "Set (property name)")
  97                                  << property;
  98         }
  99 }