Fraxinus  16.5.0-fx-rc9
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cx2DZoomHandler.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
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7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
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10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
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31 =========================================================================*/
32 
33 #include "cx2DZoomHandler.h"
34 #include "cxViewGroup.h"
35 #include "cxLogger.h"
36 #include "cxUtilHelpers.h"
37 #include "cxSyncedValue.h"
38 
39 namespace cx
40 {
41 
43 {
44  this->set(SyncedValue::create(1.0));
45 }
46 
48 {
49  mGroupData = group;
50  this->set(group->getGlobal2DZoom());
51 }
52 
54 {
55  return mZoom2D->get().toDouble();
56 }
57 
58 void Zoom2DHandler::setFactor(double factor)
59 {
60  factor = constrainValue(factor, 0.2, 10.0);
61  mZoom2D->set(factor);
62 }
63 
64 void Zoom2DHandler::set(SyncedValuePtr value)
65 {
66  if (mZoom2D)
67  disconnect(mZoom2D.get(), SIGNAL(changed()), this, SIGNAL(zoomChanged()));
68  mZoom2D = value;
69  if (mZoom2D)
70  connect(mZoom2D.get(), SIGNAL(changed()), this, SIGNAL(zoomChanged()));
71 
72  emit zoomChanged();
73 }
74 
75 void Zoom2DHandler::addActionsToMenu(QMenu* contextMenu)
76 {
77  this->addConnectivityAction("global", "Global 2D Zoom", contextMenu);
78  this->addConnectivityAction("group", "Group 2D Zoom", contextMenu);
79  this->addConnectivityAction("local", "Disconnected 2D Zoom", contextMenu);
80  contextMenu->addSeparator();
81 }
82 
83 void Zoom2DHandler::addConnectivityAction(QString type, QString text, QMenu* contextMenu)
84 {
85  QAction* action = new QAction(text, contextMenu);
86  action->setCheckable(true);
87  action->setData(type);
88  action->setChecked(this->getConnectivityType()==type);
89  connect(action, SIGNAL(triggered()), this, SLOT(zoom2DActionSlot()));
90  contextMenu->addAction(action);
91 }
92 
96 void Zoom2DHandler::zoom2DActionSlot()
97 {
98  QAction* theAction = static_cast<QAction*>(sender());
99  if(!theAction)
100  return;
101 
102  QString action = theAction->data().toString();
103  this->setConnectivityFromType(action);
104 }
105 
106 QString Zoom2DHandler::getConnectivityType()
107 {
108  if (!mGroupData)
109  return "local";
110  if (mGroupData->getGroup2DZoom() == mZoom2D)
111  return "group";
112  if (mGroupData->getGlobal2DZoom() == mZoom2D)
113  return "global";
114  return "local";
115 }
116 
117 void Zoom2DHandler::setConnectivityFromType(QString type)
118 {
119  if (!mGroupData)
120  type = "local";
121 
122  if (type=="global")
123  {
124  this->set(mGroupData->getGlobal2DZoom());
125  }
126  else if (type=="group")
127  {
128  this->set(mGroupData->getGroup2DZoom());
129  }
130  else if (type=="local")
131  {
132  this->set(SyncedValue::create(this->getFactor()));
133  }
134  else
135  {
136  reportWarning(QString("No zoom connectivity found for type [%1].").arg(type));
137  }
138 }
139 
140 
141 
142 
143 } // namespace cx
144 
145 
boost::shared_ptr< class ViewGroupData > ViewGroupDataPtr
Definition: cxViewGroup.h:50
void setFactor(double factor)
void addActionsToMenu(QMenu *contextMenu)
void reportWarning(QString msg)
Definition: cxLogger.cpp:91
double constrainValue(double val, double min, double max)
static SyncedValuePtr create(QVariant val=QVariant())
void setGroupData(ViewGroupDataPtr group)
boost::shared_ptr< class SyncedValue > SyncedValuePtr
Definition: cxViewGroup.h:51