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elementArea.cc
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49 
50 //== INCLUDES =================================================================
51 #include <QGraphicsItem>
52 #include <QGraphicsSceneMouseEvent>
53 
54 #include "../parser/element.hh"
55 #include "elementArea.hh"
56 #include "graphicsScene.hh"
57 #include "sceneElement.hh"
58 
59 //== NAMESPACES ===============================================================
60 namespace VSI {
61 
62 //=============================================================================
63 //
64 // CLASS VSI::ElementArea - IMPLEMENTATION
65 //
66 //=============================================================================
67 
70  scene_ (_scene)
71 {
72 }
73 
74 //------------------------------------------------------------------------------
75 
78 {
79 }
80 
81 //------------------------------------------------------------------------------
82 
85 {
86  return elementsBoundingRect_;
87 }
88 
89 //------------------------------------------------------------------------------
90 
93 {
94  foreach (QGraphicsItem *e, elements_)
95  e->setSelected (false);
96 
97  elements_.append (_element);
98  _element->setParentItem (this);
99  prepareGeometryChange ();
100  elementsBoundingRect_ = _element->boundingRect () | _element->childrenBoundingRect ();
101 
102  _element->setSelected (true);
103  update ();
104 }
105 
106 //------------------------------------------------------------------------------
107 
109 bool ElementArea::removeElement (SceneElement *_element, bool _force)
110 {
111 
112  if (!_force && _element->element ()->flags () & ELEMENT_FLAG_NO_DELETE)
113  return false;
114  if (elements_.contains (_element))
115  {
116  elements_.removeAll (_element);
117  _element->setParentItem (0);
118  prepareGeometryChange();
119  elementsBoundingRect_ = childrenBoundingRect();
120  return true;
121  }
122  else
123  return false;
124 }
125 
126 //------------------------------------------------------------------------------
127 
129 const QList<SceneElement *>& ElementArea::elements () const
130 {
131  return elements_;
132 }
133 
134 //------------------------------------------------------------------------------
135 }
ElementArea(GraphicsScene *_scene)
Constructor.
Definition: elementArea.cc:69
Element * element() const
Context VSI::Element.
Definition: sceneElement.hh:94
bool removeElement(SceneElement *_element, bool _force=false)
Remove an element, if its removeable or _force is set.
Definition: elementArea.cc:109
unsigned int flags() const
Flags.
Definition: element.hh:115
const QList< SceneElement * > & elements() const
All elements.
Definition: elementArea.cc:129
QRectF boundingRect() const
Bounding rectangle.
Definition: elementArea.cc:84
void addElement(SceneElement *_element)
Add a child element.
Definition: elementArea.cc:92
~ElementArea()
Destructor.
Definition: elementArea.cc:77