src/ModuleBase/ModuleBase_SelectorWidget.cpp

   1 // File:        ModuleBase_SelectorWidget.h
   2 // Created:     2 June 2014
   3 // Author:      Vitaly Smetannikov
   4
   5
   6 #include "ModuleBase_SelectorWidget.h"
   7 #include "ModuleBase_IWorkshop.h"
   8
   9 #include <Events_Loop.h>
  10 #include <Model_Events.h>
  11
  12 #include <ModelAPI_Data.h>
  13 #include <ModelAPI_Object.h>
  14 #include <ModelAPI_AttributeReference.h>
  15 #include <Config_WidgetAPI.h>
  16
  17 #include <QWidget>
  18 #include <QLayout>
  19 #include <QLabel>
  20 #include <QLineEdit>
  21 #include <QToolButton>
  22 #include <QString>
  23 #include <QEvent>
  24
  25
  26 ModuleBase_SelectorWidget::ModuleBase_SelectorWidget(QWidget* theParent,
  27                                                      ModuleBase_IWorkshop* theWorkshop,
  28                                                      const Config_WidgetAPI* theData)
  29 : ModuleBase_ModelWidget(theParent), myWorkshop(theWorkshop), myActivateOnStart(false)
  30 {
  31   myFeatureAttributeID = theData->widgetId();
  32
  33   myContainer = new QWidget(theParent);
  34   QHBoxLayout* aLayout = new QHBoxLayout(myContainer);
  35
  36   aLayout->setContentsMargins(0, 0, 0, 0);
  37   QString aLabelText = QString::fromStdString(theData->widgetLabel());
  38   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
  39   myLabel = new QLabel(aLabelText, myContainer);
  40   myLabel->setPixmap(QPixmap(aLabelIcon));
  41
  42   aLayout->addWidget(myLabel);
  43
  44   QString aToolTip = QString::fromStdString(theData->widgetTooltip());
  45   myTextLine = new QLineEdit(myContainer);
  46   myTextLine->setReadOnly(true);
  47   myTextLine->setToolTip(aToolTip);
  48   myTextLine->installEventFilter(this);
  49
  50   aLayout->addWidget(myTextLine);
  51
  52   myActivateBtn = new QToolButton(myContainer);
  53   myActivateBtn->setIcon(QIcon(":icons/hand_point.png"));
  54   myActivateBtn->setCheckable(true);
  55   myActivateBtn->setToolTip(tr("Activate/Deactivate selection"));
  56   connect(myActivateBtn, SIGNAL(toggled(bool)), this, SLOT(activateSelection(bool)));
  57
  58   aLayout->addWidget(myActivateBtn);
  59
  60   QString aActivateTxt = QString::fromStdString(theData->getProperty("activate"));
  61   if (!aActivateTxt.isNull()) {
  62     myActivateOnStart = (aActivateTxt == "true");
  63   }
  64 }
  65
  66 //********************************************************************
  67 ModuleBase_SelectorWidget::~ModuleBase_SelectorWidget()
  68 {
  69 }
  70
  71 //********************************************************************
  72 bool ModuleBase_SelectorWidget::storeValue(FeaturePtr theFeature)
  73 {
  74   DataPtr aData = theFeature->data();
  75   boost::shared_ptr<ModelAPI_AttributeReference> aRef =
  76     boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(aData->attribute(myFeatureAttributeID));
  77
  78   bool isBlocked = this->blockSignals(true);
  79   aRef->setValue(mySelectedFeature);
  80   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_FEATURE_UPDATED));
  81
  82   this->blockSignals(isBlocked);
  83   return true;
  84 }
  85
  86 //********************************************************************
  87 bool ModuleBase_SelectorWidget::restoreValue(FeaturePtr theFeature)
  88 {
  89   DataPtr aData = theFeature->data();
  90   boost::shared_ptr<ModelAPI_AttributeReference> aRef =
  91     boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(aData->attribute(myFeatureAttributeID));
  92
  93   bool isBlocked = this->blockSignals(true);
  94   mySelectedFeature = aRef->value();
  95   updateSelectionName();
  96
  97   this->blockSignals(isBlocked);
  98   return true;
  99 }
 100
 101 //********************************************************************
 102 bool ModuleBase_SelectorWidget::canFocusTo(const std::string& theAttributeName)
 103 {
 104   return false;
 105 }
 106
 107 //********************************************************************
 108 void ModuleBase_SelectorWidget::focusTo()
 109 {
 110 }
 111
 112 //********************************************************************
 113 QList<QWidget*> ModuleBase_SelectorWidget::getControls() const
 114 {
 115   QList<QWidget*> aControls;
 116   aControls.append(myLabel);
 117   aControls.append(myTextLine);
 118   aControls.append(myActivateBtn);
 119   return aControls;
 120 }
 121
 122 //********************************************************************
 123 void ModuleBase_SelectorWidget::onSelectionChanged()
 124 {
 125   QList<FeaturePtr> aFeatures = myWorkshop->selectedFeatures();
 126   if (aFeatures.size() > 0) {
 127     FeaturePtr aFeature = aFeatures.first();
 128     if ((!mySelectedFeature) && (!aFeature))
 129       return;
 130     if (mySelectedFeature && aFeature && mySelectedFeature->isSame(aFeature))
 131       return;
 132
 133     // TODO: Check that the selection corresponds to selection type
 134     if (aFeature->getKind().compare("Sketch") != 0)
 135       return;
 136
 137     mySelectedFeature = aFeature;
 138     if (mySelectedFeature) {
 139       updateSelectionName();
 140       activateSelection(false);
 141     } else {
 142       myTextLine->setText("");
 143     }
 144     emit valuesChanged();
 145   }
 146 }
 147
 148 //********************************************************************
 149 void ModuleBase_SelectorWidget::updateSelectionName()
 150 {
 151   if (mySelectedFeature) {
 152     std::string aName;
 153     if (mySelectedFeature->data())
 154       aName = mySelectedFeature->data()->getName();
 155     else
 156       aName = boost::dynamic_pointer_cast<ModelAPI_Object>(mySelectedFeature)->getName();
 157
 158     myTextLine->setText(QString::fromStdString(aName));
 159   } else
 160     myTextLine->setText("");
 161 }
 162
 163 //********************************************************************
 164 bool ModuleBase_SelectorWidget::eventFilter(QObject* theObj, QEvent* theEvent)
 165 {
 166   if (theObj == myTextLine) {
 167     if (theEvent->type() == QEvent::Polish) {
 168       activateSelection(myActivateOnStart);
 169       onSelectionChanged();
 170     }
 171   }
 172   return ModuleBase_ModelWidget::eventFilter(theObj, theEvent);
 173 }
 174
 175 //********************************************************************
 176 void ModuleBase_SelectorWidget::enableOthersControls(bool toEnable)
 177 {
 178   QWidget* aParent = myContainer->parentWidget();
 179   QList<QWidget*> aChldList = aParent->findChildren<QWidget*>();
 180   foreach(QWidget* aWgt, aChldList) {
 181     if ((aWgt != myLabel) && (aWgt != myActivateBtn) && (aWgt != myTextLine) && (aWgt != myContainer))
 182       aWgt->setEnabled(toEnable);
 183   }
 184 }
 185
 186 //********************************************************************
 187 void ModuleBase_SelectorWidget::activateSelection(bool toActivate)
 188 {
 189   enableOthersControls(!toActivate);
 190   myTextLine->setEnabled(toActivate);
 191
 192   if (toActivate)
 193     connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 194   else
 195     disconnect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
 196
 197   myActivateBtn->setDown(toActivate);
 198 }