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elementArea.cc
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42 /*===========================================================================*\
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48 \*===========================================================================*/
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
69 ElementArea::ElementArea (GraphicsScene *_scene) :
70 scene_ (_scene)
71 {
72 }
73
74 //------------------------------------------------------------------------------
75
77 ElementArea::~ElementArea ()
78 {
79 }
80
81 //------------------------------------------------------------------------------
82
84 QRectF ElementArea::boundingRect () const
85 {
86 return elementsBoundingRect_;
87 }
88
89 //------------------------------------------------------------------------------
90
92 void ElementArea::addElement (SceneElement *_element)
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 }
VSI::ElementArea::ElementArea
ElementArea(GraphicsScene *_scene)
Constructor.
Definition: elementArea.cc:69
VSI
Definition: baseWidget.cc:78
VSI::GraphicsScene
Definition: graphicsScene.hh:86
VSI::SceneElement::element
Element * element() const
Context VSI::Element.
Definition: sceneElement.hh:94
VSI::ElementArea::removeElement
bool removeElement(SceneElement *_element, bool _force=false)
Remove an element, if its removeable or _force is set.
Definition: elementArea.cc:109
VSI::Element::flags
unsigned int flags() const
Flags.
Definition: element.hh:115
VSI::SceneElement
Definition: sceneElement.hh:79
VSI::ElementArea::elements
const QList< SceneElement * > & elements() const
All elements.
Definition: elementArea.cc:129
VSI::ElementArea::boundingRect
QRectF boundingRect() const
Bounding rectangle.
Definition: elementArea.cc:84
VSI::ElementArea::addElement
void addElement(SceneElement *_element)
Add a child element.
Definition: elementArea.cc:92
VSI::ElementArea::~ElementArea
~ElementArea()
Destructor.
Definition: elementArea.cc:77