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