kivio
kivio_connector_point.cpp00001
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00019 #include "kivio_common.h"
00020 #include "kivio_connector_point.h"
00021 #include "kivio_connector_target.h"
00022 #include "kivio_stencil.h"
00023
00024 KivioConnectorPoint::KivioConnectorPoint()
00025 {
00026 m_pTarget = 0L;
00027 m_pStencil = 0L;
00028 m_targetId = -1;
00029 m_connectable = true;
00030 }
00031
00032 KivioConnectorPoint::KivioConnectorPoint( KivioStencil *pParent, bool conn )
00033 {
00034 m_pTarget = 0L;
00035 m_pStencil = pParent;
00036 m_targetId = -1;
00037 m_connectable = conn;
00038 }
00039
00040 KivioConnectorPoint::~KivioConnectorPoint()
00041 {
00042 if( m_pTarget )
00043 {
00044 m_pTarget->removeConnectorPointFromList( this );
00045 m_pTarget = 0L;
00046 }
00047
00048 m_pStencil = 0L;
00049 }
00050
00060 void KivioConnectorPoint::setTarget( KivioConnectorTarget *pTarget )
00061 {
00062 if( m_connectable == false )
00063 {
00064 return;
00065 }
00066
00067 if( m_pTarget )
00068 {
00069 m_pTarget->removeConnectorPointFromList( this );
00070 }
00071
00072
00073 m_pTarget = pTarget;
00074
00075 m_pos.setX(pTarget->x());
00076 m_pos.setY(pTarget->y());
00077
00078 m_pTarget->addConnectorPointToList( this );
00079 }
00080
00081
00091 void KivioConnectorPoint::setX( double newX, bool updateStencil )
00092 {
00093 double oldX = m_pos.x();
00094 m_pos.setX(newX);
00095
00096 if( updateStencil && m_pStencil )
00097 m_pStencil->updateConnectorPoints(this, oldX, m_pos.y());
00098 }
00099
00100
00110 void KivioConnectorPoint::setY( double newY, bool updateStencil )
00111 {
00112 double oldY = m_pos.y();
00113 m_pos.setY(newY);
00114
00115 if( updateStencil && m_pStencil )
00116 m_pStencil->updateConnectorPoints(this, m_pos.x(), oldY);
00117 }
00118
00119
00130 void KivioConnectorPoint::setPosition( double newX, double newY, bool updateStencil )
00131 {
00132 double oldX = m_pos.x();
00133 double oldY = m_pos.y();
00134
00135 m_pos.setCoords(newX, newY);
00136
00137 if( updateStencil && m_pStencil )
00138 m_pStencil->updateConnectorPoints(this, oldX, oldY);
00139 }
00140
00141
00151 void KivioConnectorPoint::disconnect( bool removeFromTargetList )
00152 {
00153 if( m_pTarget )
00154 {
00155 if( removeFromTargetList == true )
00156 m_pTarget->removeConnectorPointFromList(this);
00157
00158 m_pTarget = 0L;
00159 m_targetId = -1;
00160 }
00161
00162 }
00163
00164
00172 bool KivioConnectorPoint::loadXML( const QDomElement &e )
00173 {
00174 m_pos.setX(XmlReadFloat( e, "x", 1.0f ));
00175 m_pos.setY(XmlReadFloat( e, "y", 1.0f ));
00176 m_targetId = XmlReadInt( e, "targetId", -1 );
00177 m_connectable = (bool)XmlReadInt( e, "connectable", (int)true );
00178
00179 return true;
00180 }
00181
00182
00192 QDomElement KivioConnectorPoint::saveXML( QDomDocument &doc )
00193 {
00194 QDomElement e = doc.createElement("KivioConnectorPoint");
00195
00196 XmlWriteFloat( e, "x", m_pos.x() );
00197 XmlWriteFloat( e, "y", m_pos.y() );
00198 XmlWriteInt( e, "connectable", (int)m_connectable );
00199
00200 if( m_targetId != -1 )
00201 XmlWriteInt( e, "targetId", m_targetId );
00202
00203 return e;
00204 }
00205
00206 void KivioConnectorPoint::moveBy( double _x, double _y, bool updateStencil )
00207 {
00208 m_pos += KoPoint(_x, _y);
00209
00210 if( updateStencil && m_pStencil )
00211 m_pStencil->updateConnectorPoints(this, _x, _y);
00212 }
00213
00214 bool KivioConnectorPoint::isConnected()
00215 {
00216 return (m_pTarget != 0L);
00217 }
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