MyGUI  3.4.1
MyGUI_LayerManager.cpp
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1 /*
2  * This source file is part of MyGUI. For the latest info, see http://mygui.info/
3  * Distributed under the MIT License
4  * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
5  */
6 
7 #include "MyGUI_Precompiled.h"
8 #include "MyGUI_LayerManager.h"
9 #include "MyGUI_LayerItem.h"
10 #include "MyGUI_WidgetManager.h"
11 #include "MyGUI_RenderManager.h"
12 #include "MyGUI_Widget.h"
13 #include "MyGUI_FactoryManager.h"
14 
15 #include "MyGUI_SharedLayer.h"
16 #include "MyGUI_OverlappedLayer.h"
17 
18 namespace MyGUI
19 {
20 
22 
24  mIsInitialise(false),
25  mCategoryName("Layer"),
26  mSingletonHolder(this)
27  {
28  }
29 
31  {
32  MYGUI_ASSERT(!mIsInitialise, getClassTypeName() << " initialised twice");
33  MYGUI_LOG(Info, "* Initialise: " << getClassTypeName());
34 
36  ResourceManager::getInstance().registerLoadXmlDelegate(mCategoryName) = newDelegate(this, &LayerManager::_load);
37 
40 
41  MYGUI_LOG(Info, getClassTypeName() << " successfully initialized");
42  mIsInitialise = true;
43  }
44 
46  {
47  MYGUI_ASSERT(mIsInitialise, getClassTypeName() << " is not initialised");
48  MYGUI_LOG(Info, "* Shutdown: " << getClassTypeName());
49 
52 
53  // удаляем все хранители слоев
54  clear();
55 
58 
59  MYGUI_LOG(Info, getClassTypeName() << " successfully shutdown");
60  mIsInitialise = false;
61  }
62 
63  void LayerManager::clear()
64  {
65  for (VectorLayer::iterator iter = mLayerNodes.begin(); iter != mLayerNodes.end(); ++iter)
66  {
67  destroy(*iter);
68  }
69  mLayerNodes.clear();
70  }
71 
72  void LayerManager::_load(xml::ElementPtr _node, const std::string& _file, Version _version)
73  {
74  VectorLayer layers;
75  // берем детей и крутимся, основной цикл
76  xml::ElementEnumerator layer = _node->getElementEnumerator();
77  while (layer.next(mCategoryName))
78  {
79 
80  std::string name;
81 
82  if ( !layer->findAttribute("name", name))
83  {
84  MYGUI_LOG(Warning, "Attribute 'name' not found (file : " << _file << ")");
85  continue;
86  }
87 
88  for (VectorLayer::iterator iter = layers.begin(); iter != layers.end(); ++iter)
89  {
90  MYGUI_ASSERT((*iter)->getName() != name, "Layer '" << name << "' already exist (file : " << _file << ")");
91  }
92 
93  std::string type = layer->findAttribute("type");
94  if (type.empty() && _version <= Version(1, 0))
95  {
96  bool overlapped = utility::parseBool(layer->findAttribute("overlapped"));
97  type = overlapped ? "OverlappedLayer" : "SharedLayer";
98  }
99 
100  ILayer* item = _createLayerObject(type);
101  item->deserialization(layer.current(), _version);
102 
103  layers.push_back(item);
104  }
105 
106  // теперь мержим новые и старые слои
107  merge(layers);
108  }
109 
110  ILayer* LayerManager::_createLayerObject(const std::string& _type)
111  {
112  IObject* object = FactoryManager::getInstance().createObject(mCategoryName, _type);
113  MYGUI_ASSERT(object != nullptr, "factory '" << _type << "' is not found");
114 
115  return object->castType<ILayer>();
116  }
117 
118  void LayerManager::_unlinkWidget(Widget* _widget)
119  {
120  detachFromLayer(_widget);
121  }
122 
123  // поправить на виджет и проверять на рутовость
124  void LayerManager::attachToLayerNode(const std::string& _name, Widget* _item)
125  {
126  MYGUI_ASSERT(nullptr != _item, "pointer must be valid");
127  MYGUI_ASSERT(_item->isRootWidget(), "attached widget must be root");
128 
129  // сначала отсоединяем
130  _item->detachFromLayer();
131 
132  // а теперь аттачим
133  for (VectorLayer::iterator iter = mLayerNodes.begin(); iter != mLayerNodes.end(); ++iter)
134  {
135  if (_name == (*iter)->getName())
136  {
137  ILayerNode* node = (*iter)->createChildItemNode();
138  node->attachLayerItem(_item);
139 
140  return;
141  }
142  }
143  MYGUI_LOG(Error, "Layer '" << _name << "' is not found");
144  //MYGUI_EXCEPT("Layer '" << _name << "' is not found");
145  }
146 
148  {
149  MYGUI_ASSERT(nullptr != _item, "pointer must be valid");
150  _item->detachFromLayer();
151  }
152 
154  {
155  MYGUI_ASSERT(nullptr != _item, "pointer must be valid");
156  _item->upLayerItem();
157  }
158 
159  bool LayerManager::isExist(const std::string& _name) const
160  {
161  return getByName(_name, false) != nullptr;
162  }
163 
164  void LayerManager::merge(VectorLayer& _layers)
165  {
166  for (VectorLayer::iterator iter = mLayerNodes.begin(); iter != mLayerNodes.end(); ++iter)
167  {
168  if ((*iter) == nullptr) continue;
169  bool find = false;
170  std::string name = (*iter)->getName();
171  for (VectorLayer::iterator iter2 = _layers.begin(); iter2 != _layers.end(); ++iter2)
172  {
173  if (name == (*iter2)->getName())
174  {
175  // заменяем новый слой, на уже существующий
176  delete (*iter2);
177  (*iter2) = (*iter);
178  (*iter) = nullptr;
179  find = true;
180  break;
181  }
182  }
183  if (!find)
184  {
185  destroy(*iter);
186  (*iter) = nullptr;
187  }
188  }
189 
190  // теперь в основной
191  mLayerNodes = _layers;
192  }
193 
194  ILayer* LayerManager::createLayerAt(const std::string& _name, const std::string& _type, size_t _index)
195  {
196  MYGUI_ASSERT_RANGE(_index, mLayerNodes.size() + 1, "LayerManager::getLayer");
197 
198  ILayer* item = _createLayerObject(_type);
199  item->setName(_name);
200 
201  mLayerNodes.insert(mLayerNodes.begin() + _index, item);
202 
203  return item;
204  }
205 
206  void LayerManager::destroy(ILayer* _layer)
207  {
208  MYGUI_LOG(Info, "destroy layer '" << _layer->getName() << "'");
209  delete _layer;
210  }
211 
212  Widget* LayerManager::getWidgetFromPoint(int _left, int _top) const
213  {
214  VectorLayer::const_reverse_iterator iter = mLayerNodes.rbegin();
215  while (iter != mLayerNodes.rend())
216  {
217  ILayerItem* item = (*iter)->getLayerItemByPoint(_left, _top);
218  if (item != nullptr) return static_cast<Widget*>(item);
219  ++iter;
220  }
221  return nullptr;
222  }
223 
224  void LayerManager::renderToTarget(IRenderTarget* _target, bool _update)
225  {
226  for (VectorLayer::iterator iter = mLayerNodes.begin(); iter != mLayerNodes.end(); ++iter)
227  {
228  (*iter)->renderToTarget(_target, _update);
229  }
230  }
231 
232  ILayer* LayerManager::getByName(const std::string& _name, bool _throw) const
233  {
234  for (VectorLayer::const_iterator iter = mLayerNodes.begin(); iter != mLayerNodes.end(); ++iter)
235  {
236  if (_name == (*iter)->getName())
237  return (*iter);
238  }
239  MYGUI_ASSERT(!_throw, "Layer '" << _name << "' not found");
240  return nullptr;
241  }
242 
244  {
245  return EnumeratorLayer(mLayerNodes);
246  }
247 
248  void LayerManager::resizeView(const IntSize& _viewSize)
249  {
250  for (VectorLayer::const_iterator iter = mLayerNodes.begin(); iter != mLayerNodes.end(); ++iter)
251  (*iter)->resizeView(_viewSize);
252  }
253 
255  {
256  return mLayerNodes.size();
257  }
258 
259  ILayer* LayerManager::getLayer(size_t _index) const
260  {
261  MYGUI_ASSERT_RANGE(_index, mLayerNodes.size(), "LayerManager::getLayer");
262  return mLayerNodes[_index];
263  }
264 
265  const std::string& LayerManager::getCategoryName() const
266  {
267  return mCategoryName;
268  }
269 
270 } // namespace MyGUI
#define MYGUI_ASSERT(exp, dest)
#define MYGUI_ASSERT_RANGE(index, size, owner)
#define MYGUI_LOG(level, text)
void unregisterFactory(const std::string &_category, const std::string &_type)
void registerFactory(const std::string &_category, const std::string &_type, Delegate::IDelegate *_delegate)
IObject * createObject(const std::string &_category, const std::string &_type)
static FactoryManager & getInstance()
const std::string & getName() const
Definition: MyGUI_ILayer.h:29
void setName(const std::string &_name)
Definition: MyGUI_ILayer.h:34
virtual ILayerItem * getLayerItemByPoint(int _left, int _top) const =0
virtual ILayerNode * createChildItemNode()=0
virtual void attachLayerItem(ILayerItem *_item)=0
void detachFromLayer() override
void upLayerItem() override
void detachFromLayer(Widget *_item)
void upLayerItem(Widget *_item)
ILayer * getLayer(size_t _index) const
bool isExist(const std::string &_name) const
const std::string & getCategoryName() const
EnumeratorLayer getEnumerator() const
size_t getLayerCount() const
void renderToTarget(IRenderTarget *_target, bool _update)
Enumerator< VectorLayer > EnumeratorLayer
void resizeView(const IntSize &_viewSize)
ILayer * getByName(const std::string &_name, bool _throw=true) const
static const char * getClassTypeName()
Widget * getWidgetFromPoint(int _left, int _top) const
std::vector< ILayer * > VectorLayer
void attachToLayerNode(const std::string &_name, Widget *_item)
ILayer * createLayerAt(const std::string &_name, const std::string &_type, size_t _index)
void unregisterLoadXmlDelegate(const std::string &_key)
static ResourceManager & getInstance()
LoadXmlDelegate & registerLoadXmlDelegate(const std::string &_key)
widget description should be here.
Definition: MyGUI_Widget.h:37
bool isRootWidget() const
void unregisterUnlinker(IUnlinkWidget *_unlink)
static WidgetManager & getInstance()
void registerUnlinker(IUnlinkWidget *_unlink)
bool parseBool(const std::string &_value)
Element * ElementPtr
delegates::DelegateFunction< Args... > * newDelegate(void(*_func)(Args... args))
MYGUI_SINGLETON_DEFINITION(ClipboardManager)