Fraxinus  17.12
An IGT application
cxRegistrationHistoryWidget.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
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32 
33 #include "cxRegistrationHistoryWidget.h"
34 
35 #include <QTreeWidget>
36 #include <QTreeWidgetItem>
37 #include <QStringList>
38 #include <QVBoxLayout>
39 #include "cxImage.h"
40 
41 #include "cxTime.h"
42 #include "cxTypeConversions.h"
43 #include "cxPatientModelService.h"
44 #include "cxLogger.h"
45 #include "cxTrackingService.h"
46 
47 namespace cx
48 {
49 RegistrationHistoryWidget::RegistrationHistoryWidget(RegServicesPtr servicesPtr, QWidget* parent, bool compact) :
50  BaseWidget(parent, "registration_history_widget", "Registration History"),
51  mServices(servicesPtr)
52 {
53  this->setWhatsThis(this->defaultWhatsThis());
54  this->setToolTip(this->defaultWhatsThis());
55 
56  mGroup = new QFrame;
57  mTextEdit = NULL;
58 
59  QVBoxLayout* toptopLayout = new QVBoxLayout(this);
60  QHBoxLayout* topLayout = new QHBoxLayout;
61  this->createControls(topLayout);
62 
63  toptopLayout->addWidget(mGroup);
64  mGroup->setLayout(topLayout);
65  if (!compact)
66  {
67  mTextEdit = new QTextEdit;
68  mTextEdit->setLineWrapMode(QTextEdit::NoWrap);
69 // mTextEdit->setVisible(true);
70  toptopLayout->addWidget(mTextEdit, 1);
71  toptopLayout->addStretch();
72  topLayout->addStretch();
73  }else
74  {
75  toptopLayout->setContentsMargins(QMargins(0,0,0,0));
76  topLayout->setContentsMargins(QMargins(0,0,0,0));
77  }
78 
79 }
80 
81 RegistrationHistoryWidget::~RegistrationHistoryWidget()
82 {
83 }
84 
85 QString RegistrationHistoryWidget::defaultWhatsThis() const
86 {
87  return "<html>"
88  "<h3>Registration history.</h3>"
89  "<p>"
90  "Use the registration history to rewind the system to previous time. When history is rewinded, "
91  "all registrations performed after the active time is ignored by the system."
92  "</p>"
93  "<p>"
94  "<b>NB:</b> While a previous time is active, <em>no new registrations or adding of data</em> should be performed. "
95  "This will lead to undefined behaviour!</b>"
96  "</p>"
97  "</html>";
98 }
99 
100 void RegistrationHistoryWidget::createControls(QHBoxLayout* layout)
101 {
102  mRemoveAction = this->createAction(layout, ":/icons/open_icon_library/dialog-close.png", "Remove",
103  "Delete all registrations after the active time", SLOT(removeSlot()));
104 
105  mBehindLabel = new QLabel(this);
106  mBehindLabel->setToolTip("Number of registrations before the active time");
107  layout->addWidget(mBehindLabel);
108 
109  mRewindAction = this->createAction(layout, ":/icons/open_icon_library/arrow-left-3.png", "Rewind",
110  "One step back in registration history, changing active time.\nThis enables looking at a previous system state,\nbut take care to not add more registrations while this state.",
111  SLOT(rewindSlot()));
112 
113  mForwardAction = this->createAction(layout, ":/icons/open_icon_library/arrow-right-3.png",
114  "Rewind", "One step forward in registration history", SLOT(forwardSlot()));
115 
116  mInFrontLabel = new QLabel(this);
117  mInFrontLabel->setToolTip("Number of registrations after active time");
118  layout->addWidget(mInFrontLabel);
119 
120  mFastForwardAction = this->createAction(layout,
121  ":/icons/open_icon_library/arrow-right-double-3.png", "Fast Forward",
122  "Step to latest registration", SLOT(fastForwardSlot()));
123 }
124 
125 void RegistrationHistoryWidget::showEvent(QShowEvent* event)
126 {
127  QWidget::showEvent(event);
128 
129  this->reconnectSlot();
130  connect(mServices->patient().get(), &PatientModelService::dataAddedOrRemoved, this, &RegistrationHistoryWidget::reconnectSlot);
131  connect(mServices->patient().get(), &PatientModelService::dataAddedOrRemoved, this, &RegistrationHistoryWidget::setModified);
132 
133  setModified();
134 }
135 
136 void RegistrationHistoryWidget::hideEvent(QCloseEvent* event)
137 {
138  QWidget::closeEvent(event);
139 
140  for (unsigned i = 0; i < mHistories.size(); ++i)
141  {
142  disconnect(mHistories[i].get(), &RegistrationHistory::currentChanged, this, &RegistrationHistoryWidget::setModified);
143  }
144  disconnect(mServices->patient().get(), &PatientModelService::dataAddedOrRemoved, this, &RegistrationHistoryWidget::reconnectSlot);
145  disconnect(mServices->patient().get(), &PatientModelService::dataAddedOrRemoved, this, &RegistrationHistoryWidget::setModified);
146 }
147 
148 void RegistrationHistoryWidget::reconnectSlot()
149 {
150  for (unsigned i = 0; i < mHistories.size(); ++i)
151  {
152  disconnect(mHistories[i].get(), &RegistrationHistory::currentChanged, this, &RegistrationHistoryWidget::setModified);
153  }
154 
155  mHistories = this->getAllRegistrationHistories();
156 
157  for (unsigned i = 0; i < mHistories.size(); ++i)
158  {
159  connect(mHistories[i].get(), &RegistrationHistory::currentChanged, this, &RegistrationHistoryWidget::setModified);
160  }
161 }
162 
166 RegistrationHistoryWidget::TimeMap RegistrationHistoryWidget::generateRegistrationTimes()
167 {
168  TimeMap retval;
169 
170  std::vector<RegistrationHistoryPtr> allHistories = this->getAllRegistrationHistories();
171 
172  retval.insert(TimeMapPair(QDateTime(QDate(2000, 1, 1)),"initial"));
173 
174  for (unsigned i = 0; i < allHistories.size(); ++i)
175  {
176  std::vector<RegistrationTransform> current = allHistories[i]->getData();
177  for (unsigned j = 0; j < current.size(); ++j)
178  {
179  retval.insert(TimeMapPair(current[j].mTimestamp, QString("%1 [fixed=%2, moving=%3]").arg(current[j].mType).arg(current[j].mFixed).arg(
180  current[j].mMoving)));
181  }
182  std::vector<ParentSpace> frames = allHistories[i]->getParentSpaces();
183  for (unsigned j = 0; j < frames.size(); ++j)
184  {
185  if(retval.find(frames[j].mTimestamp) == retval.end())//Only print each frame one time
186  retval.insert(TimeMapPair(frames[j].mTimestamp, QString("%1 [spaceUid=%2]").arg(frames[j].mType).arg(frames[j].mUid)));
187  }
188  }
189 
190  retval.erase(QDateTime());
191 
192  return retval;
193 }
194 
195 RegistrationHistoryWidget::TimeMap::iterator RegistrationHistoryWidget::findActiveRegistration(TimeMap& times)
196 {
197  QDateTime activeTime = this->getActiveTime();
198 
199  if (!activeTime.isValid())
200  return times.end();
201 
202  RegistrationHistoryWidget::TimeMapIterators activeRegistrations = findActiveRegistrations(times);
203  if (!activeRegistrations.empty())
204  return activeRegistrations.back();
205  return times.end();
206 }
207 
208 RegistrationHistoryWidget::TimeMapIterators RegistrationHistoryWidget::findActiveRegistrations(TimeMap& times)
209 {
210  RegistrationHistoryWidget::TimeMapIterators retval;
211 
212  QDateTime activeTime = this->getActiveTime();
213 
214  if (!activeTime.isValid())
215  {
216  retval.push_back(times.end());
217  return retval;
218  }
219 
220  for (TimeMap::iterator iter = times.begin(); iter != times.end(); ++iter)
221  {
222  if(!retval.empty() && iter->first == retval[0]->first)
223  retval.push_back(iter);//Return all registrations at the same point in time
224  else if (retval.empty() && iter->first >= activeTime)
225  retval.push_back(iter);
226  }
227 
228  if(retval.empty())
229  retval.push_back(times.end());
230  return retval;
231 }
232 
233 QDateTime RegistrationHistoryWidget::getActiveTime()
234 {
235  std::vector<RegistrationHistoryPtr> raw = getAllRegistrationHistories();
236 
237  for (unsigned i = 0; i < raw.size(); ++i)
238  {
239  if (raw[i]->isNull())
240  continue;
241  return raw[i]->getActiveTime();
242  }
243 
244  return QDateTime();
245 }
246 
247 void RegistrationHistoryWidget::setActiveTime(QDateTime active)
248 {
249  std::vector<RegistrationHistoryPtr> raw = getAllRegistrationHistories();
250  for (unsigned i = 0; i < raw.size(); ++i)
251  {
252  raw[i]->setActiveTime(active);
253  }
254 }
255 
259 std::vector<RegistrationHistoryPtr> RegistrationHistoryWidget::getAllRegistrationHistories()
260 {
261  std::vector<RegistrationHistoryPtr> retval;
262  retval.push_back(mServices->patient()->get_rMpr_History());
263 
264  std::map<QString, DataPtr> data = mServices->patient()->getDatas();
265  for (std::map<QString, DataPtr>::iterator iter = data.begin(); iter != data.end(); ++iter)
266  {
267  retval.push_back(iter->second->get_rMd_History());
268  }
269 
270  return retval;
271 }
272 
275 void RegistrationHistoryWidget::removeSlot()
276 {
277  debugDump();
278 
279  QDateTime active = this->getActiveTime();
280  if (!active.isValid()) // if invalid: we are already at head
281  return;
282 
283  report(
284  "Removing all registration performed later than " + active.toString(timestampSecondsFormatNice()) + ".");
285 
286  std::vector<RegistrationHistoryPtr> raw = getAllRegistrationHistories();
287  for (unsigned i = 0; i < raw.size(); ++i)
288  {
289  raw[i]->removeNewerThan(active);
290  }
291 
292  debugDump();
293 }
294 
295 std::vector<RegistrationTransform> RegistrationHistoryWidget::mergeHistory(const std::vector<RegistrationHistoryPtr>& allHistories)
296 {
297  std::vector<RegistrationTransform> history;
298  for (unsigned i = 0; i < allHistories.size(); ++i)
299  {
300  std::vector<RegistrationTransform> current = allHistories[i]->getData();
301  std::copy(current.begin(), current.end(), std::back_inserter(history));
302  }
303  std::sort(history.begin(), history.end());
304 
305  return history;
306 }
307 
311 void RegistrationHistoryWidget::rewindSlot()
312 {
313 
314  TimeMap registrationTimes = this->generateRegistrationTimes();
315 
316  if (registrationTimes.size() <= 1)
317  return;
318 
319  // current points to the timestamp currently in use. end() is current time.
320 // std::map<QDateTime, QString>::iterator current = this->findActiveRegistrations(times);
321  TimeMapIterators activeRegistrations = this->findActiveRegistrations(registrationTimes);
322  TimeMap::iterator activeRegistration = registrationTimes.end();
323  if (!activeRegistrations.empty())
324  activeRegistration = activeRegistrations.front();
325 
326  if (activeRegistration == registrationTimes.begin())
327  return;
328 
329  if (activeRegistration == registrationTimes.end())
330  --activeRegistration; // ignore the last entry
331 
332  --activeRegistration;
333  report(
334  "Rewind: Setting registration time to " + activeRegistration->first.toString(timestampSecondsFormatNice()) + ", ["
335  + activeRegistration->second + "]");
336  this->setActiveTime(activeRegistration->first);
337 }
338 
339 QString RegistrationHistoryWidget::debugDump()
340 {
341  TimeMap times = this->generateRegistrationTimes();
342  bool addedBreak = false;
343  std::stringstream ss;
344  ss << "<html>";
345  ss << "<p><i>";
346  if (!this->getActiveTime().isValid())
347  ss << "Active time: Current \n";
348  else
349  ss << "Active time: " << this->getActiveTime().toString(timestampSecondsFormatNice()) << "\n";
350  ss << "</i></p>";
351 
352  ss << "<p><span style=\"color:blue\">";
353  for (TimeMap::iterator iter = times.begin(); iter != times.end(); ++iter)
354  {
355  if (iter->first > this->getActiveTime() && !addedBreak && this->getActiveTime().isValid())
356  {
357  ss << "</span> <span style=\"color:gray\">";
358  addedBreak = true;
359  }
360  //else
361  {
362  ss << "<br />";
363  }
364  ss << iter->first.toString(timestampSecondsFormatNice()) << "\t" << iter->second;
365  }
366  ss << "</span></p>";
367 
368  return qstring_cast(ss.str());
369 }
370 
371 template<class T>
372 QAction* RegistrationHistoryWidget::createAction(QLayout* layout, QString iconName, QString text, QString tip, T slot)
373 {
374  QAction* action = new QAction(QIcon(iconName), text, this);
375  action->setToolTip(tip);
376  connect(action, SIGNAL(triggered()), this, slot);
377 
378  QToolButton* button = new QToolButton();
379  button->setDefaultAction(action);
380  layout->addWidget(button);
381 
382  return action;
383 }
384 
387 void RegistrationHistoryWidget::forwardSlot()
388 {
389  TimeMap registrationTimes = this->generateRegistrationTimes();
390 
391  if (registrationTimes.empty())
392  return;
393 
394  // current points to the timestamp currently in use. end() is current time.
395  TimeMapIterators activeRegistrations = this->findActiveRegistrations(registrationTimes);
396  TimeMap::iterator activeRegistration = registrationTimes.end();
397  if (!activeRegistrations.empty())
398  activeRegistration = activeRegistrations.back();
399 
400  if (activeRegistration == registrationTimes.end()) // already at end, ignore
401  return;
402  ++activeRegistration;
403 
404  if (activeRegistration == registrationTimes.end() || registrationTimes.rbegin()->first == activeRegistration->first) // if at end or at the last position, interpret as end
405  {
406  report("Forward: Setting registration time to current, [" + registrationTimes.rbegin()->second + "]");
407  this->setActiveTime(QDateTime());
408  }
409  else
410  {
411  report("Forward: Setting registration time to " + activeRegistration->first.toString(timestampSecondsFormatNice()) + ", ["+ activeRegistration->second + "]");
412  this->setActiveTime(activeRegistration->first);
413  }
414 }
415 
419 void RegistrationHistoryWidget::fastForwardSlot()
420 {
421  std::vector<RegistrationHistoryPtr> raw = getAllRegistrationHistories();
422  report("Fast Forward: Setting registration time to current.");
423 
424  for (unsigned i = 0; i < raw.size(); ++i)
425  {
426  raw[i]->setActiveTime(QDateTime());
427  }
428 }
429 
430 void RegistrationHistoryWidget::prePaintEvent()
431 {
432  TimeMap times = this->generateRegistrationTimes();
433  std::map<QDateTime, QString>::iterator current = this->findActiveRegistration(times);
434  size_t behind = std::min<int>(distance(times.begin(), current), times.size() - 1);
435  size_t infront = times.size() - 1 - behind;
436 
437  mRewindAction->setText("Rewind (" + qstring_cast(behind) + ")");
438  mForwardAction->setText("Forward (" + qstring_cast(infront) + ")");
439 
440  mBehindLabel->setText("(" + qstring_cast(behind) + ")");
441  mInFrontLabel->setText("(" + qstring_cast(infront) + ")");
442 
443  mRewindAction->setEnabled(behind > 0);
444  mRemoveAction->setEnabled(infront != 0);
445  mForwardAction->setEnabled(infront != 0);
446  mFastForwardAction->setEnabled(infront != 0);
447 
448  QString color;
449  if (infront == 0)
450  {
451  color = "";
452  }
453  else
454  {
455  color = QString("QFrame {background: qradialgradient(cx:0.5, cy:0.5, radius: 0.5, fx:0.5, fy:0.5, stop:0 rgb(255,30,0), stop:0.8 rgb(255,50,0), stop:1 transparent) }");
456  color += QString("QLabel {background-color: transparent }");
457  }
458 
459  mGroup->setStyleSheet(color);
460 
461  if (mTextEdit)
462  mTextEdit->setText(debugDump());
463 }
464 
465 } //end namespace cx
qstring_cast
QString qstring_cast(const T &val)
Definition: cxTypeConversions.h:67
cx::timestampSecondsFormatNice
QString timestampSecondsFormatNice()
Definition: cxTime.cpp:47
cx::RegistrationHistoryWidget::hideEvent
virtual void hideEvent(QCloseEvent *event)
disconnects stuff
Definition: cxRegistrationHistoryWidget.cpp:136
cx::RegServicesPtr
boost::shared_ptr< class RegServices > RegServicesPtr
Definition: cxRegServices.h:41
cx::RegistrationHistoryWidget::showEvent
virtual void showEvent(QShowEvent *event)
updates internal info before showing the widget
Definition: cxRegistrationHistoryWidget.cpp:125
cx::BaseWidget
Interface for QWidget which handles widgets uniformly for the system.
Definition: cxBaseWidget.h:109
cx::report
void report(QString msg)
Definition: cxLogger.cpp:90
cx
Namespace for all CustusX production code.
Definition: cx_dev_group_definitions.h:34