Developer Documentation

sceneElement.hh
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41
42
43
44 #ifndef VSI_SCENEELEMENT_HH
45 #define VSI_SCENEELEMENT_HH
46
47 //== INCLUDES =================================================================
48 #include <QGraphicsWidget>
49 #include <QString>
50 #include <QDomDocument>
51 #include <QDomElement>
52 #include <QXmlQuery>
53
54 //== FORWARDDECLARATIONS ======================================================
55 class QGraphicsLinearLayout;
56
57 //== NAMESPACES ===============================================================
58 namespace VSI {
59
60 //== FORWARDDECLARATIONS ======================================================
61 class GraphicsScene;
62 class ElementInput;
63 class ElementOutput;
64 class ElementFunction;
65
66 class Element;
67 class Text;
68
69 //== CLASS DEFINITION =========================================================
70
73 class SceneElement : public QGraphicsWidget
74 {
75 Q_OBJECT
76
77 public:
79 SceneElement (GraphicsScene *_scene, Element *_element);
80
82 ~SceneElement ();
83
85 void paint (QPainter *_painter, const QStyleOptionGraphicsItem *_option, QWidget *_widget = 0);
86
88 Element *element () const { return element_; };
89
91 QVector<ElementInput *> inputs () { return inputs_; };
92
94 QVector<ElementOutput *> outputs () { return outputs_; };
95
97 QVector<ElementFunction *> functions () { return functions_; };
98
100 ElementInput *dataIn () { return dataIn_; };
101
103 ElementOutput *dataOut () { return dataOut_; };
104
106 void resetCodeGeneration ();
107
109 void replaceCodeBlock (QString _name, QString _id, QString _value);
110
112 QString variableId ();
113
115 int id () { return id_; };
116
118 QString code () { return code_; };
119
121 bool isBefore (SceneElement *_e);
122
124 bool isAfter (SceneElement *_e);
125
127 void saveToXml (QDomDocument &_doc, QDomElement &_root);
128
130 void loadFromXml (QXmlQuery &_xml);
131
133 GraphicsScene *graphicsScene () { return scene_; };
134
135 protected:
136
137 // mouse handling for draging
138 void mousePressEvent (QGraphicsSceneMouseEvent *_event);
139 void mouseMoveEvent (QGraphicsSceneMouseEvent *_event);
140 void mouseReleaseEvent (QGraphicsSceneMouseEvent *_event);
141 void mouseDoubleClickEvent (QGraphicsSceneMouseEvent *_event);
142
143 // handle movement
144 void moveEvent (QGraphicsSceneMoveEvent *_event);
145
146 private slots:
147
148 // show input configuration dialog
149 void showInputConfig ();
150
151 private:
152
153 // invalidate (reset) all connections of this element
154 void invalidateConnections ();
155
156 private:
157
158 GraphicsScene *scene_;
159 Element *element_;
160
161 QVector<ElementInput *> inputs_;
162 QVector<ElementOutput *> outputs_;
163
164 ElementInput *dataIn_;
165 ElementOutput *dataOut_;
166
167 QVector<ElementFunction *> functions_;
168
169 QVector<ElementInput *> configInputs_;
170
171 QString code_;
172
173 int id_;
174
175 Text *name_;
176 Text *elementName_;
177 QGraphicsLinearLayout *nameLayout_;
178 };
179
180 //=============================================================================
181 }
182 //=============================================================================
183
184 #endif
VSI::GraphicsScene
Definition: graphicsScene.hh:80
VSI::SceneElement::paint
void paint(QPainter *_painter, const QStyleOptionGraphicsItem *_option, QWidget *_widget=0)
Background painting.
Definition: sceneElement.cc:356
VSI::ElementInput
Definition: elementInput.hh:67
VSI::SceneElement::variableId
QString variableId()
Unique variable name for code generation.
Definition: sceneElement.cc:581
VSI::SceneElement::dataIn
ElementInput * dataIn()
Scene input.
Definition: sceneElement.hh:100
VSI::SceneElement::id
int id()
Unique id for identification.
Definition: sceneElement.hh:115
VSI::SceneElement::mouseDoubleClickEvent
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *_event)
Double click occured. We can&#39;t use mouseDoubleClickEvent because we won&#39;t get one for the ConecctionP...
Definition: sceneElement.cc:471
VSI::ElementOutput
Definition: elementOutput.hh:60
VSI::SceneElement::code
QString code()
Code block.
Definition: sceneElement.hh:118
VSI::SceneElement::outputs
QVector< ElementOutput * > outputs()
Outputs.
Definition: sceneElement.hh:94
VSI::SceneElement::loadFromXml
void loadFromXml(QXmlQuery &_xml)
Load from xml.
Definition: sceneElement.cc:745
VSI::SceneElement::dataOut
ElementOutput * dataOut()
Scene output.
Definition: sceneElement.hh:103
VSI::SceneElement::SceneElement
SceneElement(GraphicsScene *_scene, Element *_element)
Constructor.
Definition: sceneElement.cc:98
VSI::SceneElement::~SceneElement
~SceneElement()
Destructor.
Definition: sceneElement.cc:340
VSI::SceneElement::saveToXml
void saveToXml(QDomDocument &_doc, QDomElement &_root)
Save to xml.
Definition: sceneElement.cc:693
VSI
Definition: baseWidget.cc:72
VSI::SceneElement::isBefore
bool isBefore(SceneElement *_e)
Will this element be executed before _e bacause of its connections?
Definition: sceneElement.cc:612
VSI::Element
Definition: element.hh:68
VSI::SceneElement::functions
QVector< ElementFunction * > functions()
Functions.
Definition: sceneElement.hh:97
VSI::SceneElement::element
Element * element() const
Context VSI::Element.
Definition: sceneElement.hh:88
VSI::SceneElement::resetCodeGeneration
void resetCodeGeneration()
Reset code block for code generation.
Definition: sceneElement.cc:559
VSI::SceneElement::isAfter
bool isAfter(SceneElement *_e)
Will this element be executed after _e bacause of its connections?
Definition: sceneElement.cc:641
VSI::SceneElement
Definition: sceneElement.hh:73
VSI::Text
Definition: text.hh:67
VSI::SceneElement::graphicsScene
GraphicsScene * graphicsScene()
Scene.
Definition: sceneElement.hh:133
VSI::SceneElement::replaceCodeBlock
void replaceCodeBlock(QString _name, QString _id, QString _value)
Replace block with name _name and id _id with _value.
Definition: sceneElement.cc:572
VSI::SceneElement::inputs
QVector< ElementInput * > inputs()
Inputs.
Definition: sceneElement.hh:91