Improve multi-selector control to provide items multi-selection and "Delete" context...

[modules/shaper.git] / src / ModuleBase / ModuleBase_ModelWidget.cpp

diff --git a/src/ModuleBase/ModuleBase_ModelWidget.cpp b/src/ModuleBase/ModuleBase_ModelWidget.cpp
index ff7554f1dff06e840c764d1b6da435c2985129c7..86fe765daafc4e328d73f14677ec27471f799be4 100644 (file)
--- a/src/ModuleBase/ModuleBase_ModelWidget.cpp
+++ b/src/ModuleBase/ModuleBase_ModelWidget.cpp
@@ -11,6 +11,7 @@
 #include <ModelAPI_Attribute.h>
 #include <ModelAPI_Events.h>
 #include <ModelAPI_Session.h>
+#include <ModelAPI_Validator.h>
 
 #include <Config_Keywords.h>
 #include <Config_WidgetAPI.h>
@@ -18,8 +19,6 @@
 #include <Events_Loop.h>
 
 #include <QEvent>
-#include <QGraphicsDropShadowEffect>
-#include <QColor>
 #include <QLabel>
 #include <QFocusEvent>
 
@@ -32,6 +31,8 @@ ModuleBase_ModelWidget::ModuleBase_ModelWidget(QWidget* theParent,
       myState(Stored),
       myIsValueStateBlocked(false)
 {
+  myIsInternal = theData->getBooleanAttribute(ATTR_INTERNAL, false);
+
   myDefaultValue = theData->getProperty(ATTR_DEFAULT);
   myUseReset = theData->getBooleanAttribute(ATTR_USE_RESET, true);
   myIsComputedDefault = theData->getProperty(ATTR_DEFAULT) == DOUBLE_WDG_DEFAULT_COMPUTED;
@@ -66,10 +67,6 @@ QString ModuleBase_ModelWidget::getValueStateError() const
     if (anAttr.get()) {
       QString anAttributeName = anAttr->id().c_str();
       switch (aState) {
-        case ModuleBase_ModelWidget::ModifiedInPP:
-          anError = "Attribute \"" + anAttributeName +
-                    "\" modification is not applyed. Please click \"Enter\" or \"Tab\".";
-          break;
         case ModuleBase_ModelWidget::ModifiedInViewer:
           anError = "Attribute \"" + anAttributeName +
                     "\" is locked by modification value in the viewer.";
@@ -77,23 +74,50 @@ QString ModuleBase_ModelWidget::getValueStateError() const
         case ModuleBase_ModelWidget::Reset:
           anError = "Attribute \"" + anAttributeName + "\" is not initialized.";
           break;
+        case ModuleBase_ModelWidget::ModifiedInPP: // Apply should be enabled in this mode
+        default:
+          break;
       }
     }
   }
   return anError;
 }
 
+QString ModuleBase_ModelWidget::getError() const
+{
+  QString anError;
+
+  if (!feature().get())
+    return anError;
+
+  std::string anAttributeID = attributeID();
+  AttributePtr anAttribute = feature()->attribute(anAttributeID);
+  if (!anAttribute.get())
+    return anError;
+
+  std::string aValidatorID;
+  std::string anErrorMsg;
+
+  static ModelAPI_ValidatorsFactory* aValidators = ModelAPI_Session::get()->validators();
+  if (!aValidators->validate(anAttribute, aValidatorID, anErrorMsg)) {
+    if (anErrorMsg.empty())
+      anErrorMsg = "unknown error.";
+    anErrorMsg = anAttributeID + " - " + aValidatorID + ": " + anErrorMsg;
+  }
+
+  anError = QString::fromStdString(anErrorMsg);
+  if (anError.isEmpty())
+    anError = getValueStateError();
+
+  return anError;
+}
+
 void ModuleBase_ModelWidget::enableFocusProcessing()
 {
   QList<QWidget*> aMyControls = getControls();
   foreach(QWidget*  eachControl, aMyControls) {
-    if (myIsObligatory) {
       eachControl->setFocusPolicy(Qt::StrongFocus);
       eachControl->installEventFilter(this);
-    }
-    else {
-      eachControl->setFocusPolicy(Qt::NoFocus);
-    }
   }
 }
 
@@ -104,21 +128,10 @@ void ModuleBase_ModelWidget::setHighlighted(bool isHighlighted)
     QLabel* aLabel = qobject_cast<QLabel*>(aWidget);
     // We won't set the effect to QLabels - it looks ugly
     if(aLabel) continue;
-    if(isHighlighted) {
-      // If effect is the installed on a different widget, setGraphicsEffect() will
-      // remove the effect from the widget and install it on this widget.
-      // That's why we create a new effect for each widget
-      QGraphicsDropShadowEffect* aGlowEffect = new QGraphicsDropShadowEffect();
-      aGlowEffect->setOffset(.0);
-      aGlowEffect->setBlurRadius(10.0);
-      aGlowEffect->setColor(QColor(0, 170, 255)); // Light-blue color, #00AAFF
-      aWidget->setGraphicsEffect(aGlowEffect);
-    } else {
-      QGraphicsEffect* anEffect = aWidget->graphicsEffect();
-      if(anEffect)
-        anEffect->deleteLater();
-      aWidget->setGraphicsEffect(NULL);
-    }
+    // If effect is the installed on a different widget, setGraphicsEffect() will
+    // remove the effect from the widget and install it on this widget.
+    // That's why we create a new effect for each widget
+    ModuleBase_Tools::setShadowEffect(aWidget, isHighlighted);
   }
 }
 
@@ -160,7 +173,7 @@ void ModuleBase_ModelWidget::activate()
 void ModuleBase_ModelWidget::deactivate()
 {
   myIsValueStateBlocked = false;
-  if (myState == ModifiedInPP)
+  if (myState == ModifiedInPP || myState == ModifiedInViewer)
     storeValue();
   myState = Stored;
 }
@@ -287,8 +300,11 @@ bool ModuleBase_ModelWidget::eventFilter(QObject* theObject, QEvent *theEvent)
                         aReason == Qt::TabFocusReason ||
                         aReason == Qt::BacktabFocusReason ||
                         aReason == Qt::OtherFocusReason; // to process widget->setFocus()
-    if (aMouseOrKey && getControls().contains(aWidget) && getValueState() == ModifiedInPP)
-      storeValue();
+    if (aMouseOrKey && getControls().contains(aWidget)) {
+      if (getValueState() == ModifiedInPP) {
+        storeValue();
+      }
+    }
   }
   // pass the event on to the parent class