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

   1 /*
   2  * Copyright 2006-2007, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Stephan Aßmus <superstippi@gmx.de>
   7  */
   8
   9
  10 #include "Document.h"
  11
  12 #include "CommandStack.h"
  13 #include "DocumentSaver.h"
  14 #include "Icon.h"
  15 #include "PathContainer.h"
  16 #include "Selection.h"
  17 #include "ShapeContainer.h"
  18 #include "StyleContainer.h"
  19
  20 #include <Entry.h>
  21
  22 #include <new>
  23 #include <stdio.h>
  24
  25
  26 using std::nothrow;
  27 _USING_ICON_NAMESPACE
  28
  29
  30 // constructor
  31 Document::Document(const char* name)
  32         : RWLocker("document rw lock"),
  33           fIcon(new (nothrow) _ICON_NAMESPACE Icon()),
  34           fCommandStack(new (nothrow) ::CommandStack()),
  35           fSelection(new (nothrow) ::Selection()),
  36
  37           fName(name),
  38
  39           fNativeSaver(NULL),
  40           fExportSaver(NULL)
  41 {
  42 }
  43
  44 // destructor
  45 Document::~Document()
  46 {
  47         delete fCommandStack;
  48         delete fSelection;
  49         fIcon->ReleaseReference();
  50         delete fNativeSaver;
  51         delete fExportSaver;
  52 }
  53
  54 // SetName
  55 void
  56 Document::SetName(const char* name)
  57 {
  58         if (fName == name)
  59                 return;
  60
  61         fName = name;
  62         Notify();
  63 }
  64
  65 // Name
  66 const char*
  67 Document::Name() const
  68 {
  69         return fName.String();
  70 }
  71
  72 // SetNativeSaver
  73 void
  74 Document::SetNativeSaver(::DocumentSaver* saver)
  75 {
  76         delete fNativeSaver;
  77         fNativeSaver = saver;
  78 }
  79
  80 // SetExportSaver
  81 void
  82 Document::SetExportSaver(::DocumentSaver* saver)
  83 {
  84         delete fExportSaver;
  85         fExportSaver = saver;
  86 }
  87
  88 // SetIcon
  89 void
  90 Document::SetIcon(_ICON_NAMESPACE Icon* icon)
  91 {
  92         if (fIcon == icon)
  93                 return;
  94
  95         fIcon->ReleaseReference();
  96
  97         fIcon = icon;
  98
  99         // we don't acquire, since we own the icon
 100 }
 101
 102 // MakeEmpty
 103 void
 104 Document::MakeEmpty(bool includingSavers)
 105 {
 106         fCommandStack->Clear();
 107         fSelection->DeselectAll();
 108         fIcon->MakeEmpty();
 109
 110         if (includingSavers) {
 111                 delete fNativeSaver;
 112                 fNativeSaver = NULL;
 113                 delete fExportSaver;
 114                 fExportSaver = NULL;
 115         }
 116 }
 117
 118 // IsEmpty
 119 bool
 120 Document::IsEmpty() const
 121 {
 122         return fIcon->Styles()->CountStyles() == 0
 123                 && fIcon->Paths()->CountPaths() == 0
 124                 && fIcon->Shapes()->CountShapes() == 0;
 125 }
 126