[FEM] make the Fluid Boundary dialog behave like the other dialogs

- allows highlighting and multiple selection

src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.cpp

@@ -156,23 +156,27 @@ TaskFemConstraintFluidBoundary::TaskFemConstraintFluidBoundary(ViewProviderFemCo
     connect(ui->comboThermalBoundaryType, SIGNAL(currentIndexChanged(int)),
             this, SLOT(onThermalBoundaryTypeChanged(void)));
 
-    connect(ui->buttonReference, SIGNAL(pressed()),
-            this, SLOT(onButtonReference()));
     connect(ui->buttonDirection, SIGNAL(pressed()),
             this, SLOT(onButtonDirection()));
     connect(ui->checkReverse, SIGNAL(toggled(bool)),
             this, SLOT(onCheckReverse(bool)));
 
+    connect(ui->listReferences, SIGNAL(itemClicked(QListWidgetItem*)),
+        this, SLOT(setSelection(QListWidgetItem*)));
+
     this->groupLayout()->addWidget(proxy);
 
     // Temporarily prevent unnecessary feature recomputes
     ui->spinBoundaryValue->blockSignals(true);
     ui->listReferences->blockSignals(true);
     // boundaryType and subType combo signal is Temporarily prevented in initComboBox()
-    ui->buttonReference->blockSignals(true);
     ui->buttonDirection->blockSignals(true);
     ui->checkReverse->blockSignals(true);
 
+    //Selection buttons
+    connect(ui->btnAdd, SIGNAL(clicked()), this, SLOT(addToSelection()));
+    connect(ui->btnRemove, SIGNAL(clicked()), this, SLOT(removeFromSelection()));
+
     // Get the feature data
     Fem::ConstraintFluidBoundary* pcConstraint = static_cast<Fem::ConstraintFluidBoundary*>(ConstraintView->getObject());
 
@@ -310,11 +314,11 @@ TaskFemConstraintFluidBoundary::TaskFemConstraintFluidBoundary(ViewProviderFemCo
     ui->checkReverse->setVisible(true); // it is still useful to swap direction of an edge
 
     ui->listReferences->blockSignals(false);
-    ui->buttonReference->blockSignals(false);
     ui->spinBoundaryValue->blockSignals(false);
     ui->buttonDirection->blockSignals(false);
     ui->checkReverse->blockSignals(false);
-    updateSelectionUI();
+
+    updateUI();
 }
 
 const Fem::FemSolverObject* TaskFemConstraintFluidBoundary::getFemSolver(void) const
@@ -502,122 +506,6 @@ void TaskFemConstraintFluidBoundary::updateThermalBoundaryUI()
     }
 }
 
-void TaskFemConstraintFluidBoundary::updateSelectionUI()
-{
-    if (ui->listReferences->model()->rowCount() == 0) {
-        // Go into reference selection mode if no reference has been selected yet
-        onButtonReference(true);
-        return;
-    }
-
-    /** not needed for fluid boundary, as it must be Face for 3D part,
-     * Edge type boundary is needed for 2D CFD, but it is not supported yet
-    std::string ref = ui->listReferences->item(0)->text().toStdString();
-    int pos = ref.find_last_of(":");
-    if (ref.substr(pos+1, 6) == "Vertex")
-        ui->labelForce->setText(tr("Point load"));
-    else if (ref.substr(pos+1, 4) == "Edge")
-        ui->labelForce->setText(tr("Line load"));
-    else if (ref.substr(pos+1, 4) == "Face")
-        ui->labelForce->setText(tr("Area load"));
-    */
-}
-
-void TaskFemConstraintFluidBoundary::onSelectionChanged(const Gui::SelectionChanges& msg)
-{
-    if (msg.Type == Gui::SelectionChanges::AddSelection) {
-        // Don't allow selection in other document
-        if (strcmp(msg.pDocName, ConstraintView->getObject()->getDocument()->getName()) != 0)
-            return;
-
-        if (!msg.pSubName || msg.pSubName[0] == '\0')
-            return;
-        std::string subName(msg.pSubName);
-
-        if (selectionMode == selnone)
-            return;
-
-        std::vector<std::string> references(1,subName);
-        Fem::ConstraintFluidBoundary* pcConstraint = static_cast<Fem::ConstraintFluidBoundary*>(ConstraintView->getObject());
-        App::DocumentObject* obj = ConstraintView->getObject()->getDocument()->getObject(msg.pObjectName);
-        Part::Feature* feat = static_cast<Part::Feature*>(obj);
-        TopoDS_Shape ref = feat->Shape.getShape().getSubShape(subName.c_str());
-        //* string conversion:  <Base/Tools.h> toStdString()/fromStdString()
-        if (selectionMode == selref) {
-            std::vector<App::DocumentObject*> Objects = pcConstraint->References.getValues();
-            std::vector<std::string> SubElements = pcConstraint->References.getSubValues();
-
-            // Ensure we don't have mixed reference types
-            if (SubElements.size() > 0) {
-                if (subName.substr(0,4) != SubElements.front().substr(0,4)) {
-                    QMessageBox::warning(this, tr("Selection error"), tr("Mixed shape types are not possible. Use a second constraint instead"));
-                    return;
-                }
-            }
-            else {
-                if ((subName.substr(0,4) != "Face"  && dimension == 3)) {
-                    QMessageBox::warning(this, tr("Selection error"), tr("Only faces can be picked for fluid boundary of 3D geometry"));
-                    return;
-                }
-                if ((subName.substr(0,4) != "Edge"  && dimension == 2)) {
-                    QMessageBox::warning(this, tr("Selection error"), tr("Only edges can be picked for fluid boundary of 2D geometry"));
-                    return;
-                }
-            }
-
-            // Avoid duplicates
-            std::size_t pos = 0;
-            for (; pos < Objects.size(); pos++) {
-                if (obj == Objects[pos]) {
-                    break;
-                }
-            }
-
-            if (pos != Objects.size()) {
-                if (subName == SubElements[pos]) {
-                    return;
-                }
-            }
-
-            // add the new reference
-            Objects.push_back(obj);
-            SubElements.push_back(subName);
-            pcConstraint->References.setValues(Objects,SubElements);
-            ui->listReferences->addItem(makeRefText(obj, subName));
-
-            // Turn off reference selection mode
-            onButtonReference(false);
-        }
-        else if (selectionMode == seldir) {  // select direction, can be Edge or Face(Face normal)
-            if (subName.substr(0,4) == "Face" && dimension ==3) {
-                if (!Fem::Tools::isPlanar(TopoDS::Face(ref))) {
-                    QMessageBox::warning(this, tr("Selection error"), tr("Only planar faces can be picked for 3D"));
-                    return;
-                }
-            }
-            else if (subName.substr(0,4) == "Edge") {  // 2D or 3D can use edge as direction vector
-                if (!Fem::Tools::isLinear(TopoDS::Edge(ref))) {
-                    QMessageBox::warning(this, tr("Selection error"), tr("Only planar edges can be picked for 2D"));
-                    return;
-                }
-            }
-            else {
-                QMessageBox::warning(this, tr("Selection error"), tr("Only faces for 3D part or edges for 2D can be picked"));
-                return;
-            }
-            pcConstraint->Direction.setValue(obj, references);
-            ui->lineDirection->setText(makeRefText(obj, subName));
-            // Turn off direction selection mode
-            onButtonDirection(false);
-        }
-
-        Gui::Selection().clearSelection();
-        updateSelectionUI();
-        // recompute (redrawing has been called by FemConstraint base class? )
-        //bool ret = pcConstraint->recomputeFeature();  // not needed
-    }
-}
-
 void TaskFemConstraintFluidBoundary::onBoundaryTypeChanged(void)
 {
     Fem::ConstraintFluidBoundary* pcConstraint = static_cast<Fem::ConstraintFluidBoundary*>(ConstraintView->getObject());
@@ -660,25 +548,70 @@ void TaskFemConstraintFluidBoundary::onThermalBoundaryTypeChanged(void)
 }
 
 void TaskFemConstraintFluidBoundary::onReferenceDeleted() {
-    int row = ui->listReferences->currentIndex().row();
-    TaskFemConstraint::onReferenceDeleted(row);
-    ui->listReferences->model()->removeRow(row);
-    ui->listReferences->setCurrentRow(0, QItemSelectionModel::ClearAndSelect);
+    TaskFemConstraintFluidBoundary::removeFromSelection(); //On right-click face is automatically selected, so just remove
 }
 
 void TaskFemConstraintFluidBoundary::onButtonDirection(const bool pressed) {
-    if (pressed) {
-        selectionMode = seldir;
-    } else {
-        selectionMode = selnone;
+    // sets the normal vector of the currently selecteed planar face as direction
+
+    //get vector of selected objects of active document
+    std::vector<Gui::SelectionObject> selection = Gui::Selection().getSelectionEx();
+    if (selection.size() == 0) {
+        QMessageBox::warning(this, tr("Selection error"), tr("Nothing selected!"));
+        return;
     }
-    ui->buttonDirection->setChecked(pressed);
-    Gui::Selection().clearSelection();
-    /* minor bug:  once Direction property(edge link) is cleared in UI, arrow direction is not updated.
-    Direction property can not be easily setup in C++, see example at the end of this file `accept()`
-    redraw will only happen once taskpanel is closed,
-    */
-    //pcConstraint->Direction.setValue(pressed);
+    Fem::ConstraintFluidBoundary* pcConstraint = static_cast<Fem::ConstraintFluidBoundary*>(ConstraintView->getObject());
+
+    // we only handle the first selected object
+    std::vector<Gui::SelectionObject>::iterator selectionElement = selection.begin();
+    std::string TypeName = static_cast<std::string>(selectionElement->getTypeName());
+
+    // we can only handle part objects
+    if (TypeName.substr(0, 4).compare(std::string("Part")) != 0) {
+        QMessageBox::warning(this, tr("Selection error"), tr("Selected object is not a part!"));
+        return;
+    }
+    // get the names of the subobjects
+    std::vector<std::string> subNames = selectionElement->getSubNames();
+
+    if (subNames.size() > 1) {
+        QMessageBox::warning(this, tr("Selection error"), tr("Only one planar face or edge can be selected!"));
+        return;
+    }
+    // we are now sure we only have one object
+    std::string subNamesElement = subNames[0];
+    // vector for the direction
+    std::vector<std::string> direction(1, subNamesElement);
+
+    App::DocumentObject* obj = ConstraintView->getObject()->getDocument()->getObject(selectionElement->getFeatName());
+    Part::Feature* feat = static_cast<Part::Feature*>(obj);
+    TopoDS_Shape ref = feat->Shape.getShape().getSubShape(subNamesElement.c_str());
+
+    if (TypeName.substr(0, 4).compare(std::string("Part")) != 0) {
+        QMessageBox::warning(this, tr("Selection error"), tr("Selected object is not a part!"));
+        return;
+    }
+    if (subNamesElement.substr(0, 4) == "Face") {
+        if (!Fem::Tools::isPlanar(TopoDS::Face(ref))) {
+            QMessageBox::warning(this, tr("Selection error"), tr("Only planar faces can be picked for 3D"));
+            return;
+        }
+    }
+    else if (subNamesElement.substr(0, 4) == "Edge") { // 2D or 3D can use edge as direction vector
+        if (!Fem::Tools::isLinear(TopoDS::Edge(ref))) {
+            QMessageBox::warning(this, tr("Selection error"), tr("Only planar edges can be picked for 2D"));
+            return;
+        }
+    }
+    else {
+        QMessageBox::warning(this, tr("Selection error"), tr("Only faces for 3D part or edges for 2D can be picked"));
+        return;
+    }
+    // update the direction
+    pcConstraint->Direction.setValue(obj, direction);
+    ui->lineDirection->setText(makeRefText(obj, subNamesElement));
+    //Update UI
+    updateUI();
 }
 
 void TaskFemConstraintFluidBoundary::onCheckReverse(const bool pressed)
@@ -798,6 +731,150 @@ TaskFemConstraintFluidBoundary::~TaskFemConstraintFluidBoundary()
     delete ui;
 }
 
+void TaskFemConstraintFluidBoundary::addToSelection()
+{
+    std::vector<Gui::SelectionObject> selection = Gui::Selection().getSelectionEx(); //gets vector of selected objects of active document
+    if (selection.size() == 0) {
+        QMessageBox::warning(this, tr("Selection error"), tr("Nothing selected!"));
+        return;
+    }
+
+    Fem::ConstraintFluidBoundary* pcConstraint = static_cast<Fem::ConstraintFluidBoundary*>(ConstraintView->getObject());
+    std::vector<App::DocumentObject*> Objects = pcConstraint->References.getValues();
+    std::vector<std::string> SubElements = pcConstraint->References.getSubValues();
+
+    for (std::vector<Gui::SelectionObject>::iterator it = selection.begin(); it != selection.end(); ++it) {//for every selected object
+        if (static_cast<std::string>(it->getTypeName()).substr(0, 4).compare(std::string("Part")) != 0) {
+            QMessageBox::warning(this, tr("Selection error"), tr("Selected object is not a part!"));
+            return;
+        }
+
+        std::vector<std::string> subNames = it->getSubNames();
+        App::DocumentObject* obj = ConstraintView->getObject()->getDocument()->getObject(it->getFeatName());
+        for (unsigned int subIt = 0; subIt < (subNames.size()); ++subIt) {// for every selected sub element
+            bool addMe = true;
+            for (std::vector<std::string>::iterator itr = std::find(SubElements.begin(), SubElements.end(), subNames[subIt]);
+                itr != SubElements.end();
+                itr = std::find(++itr, SubElements.end(), subNames[subIt]))
+            {// for every sub element in selection that matches one in old list
+                if (obj == Objects[std::distance(SubElements.begin(), itr)]) {//if selected sub element's object equals the one in old list then it was added before so don't add
+                    addMe = false;
+                }
+            }
+            // limit constraint such that only vertexes or faces or edges can be used depending on what was selected first
+            std::string searchStr("");
+            if (subNames[subIt].find("Vertex") != std::string::npos)
+                searchStr = "Vertex";
+            else if (subNames[subIt].find("Edge") != std::string::npos)
+                searchStr = "Edge";
+            else
+                searchStr = "Face";
+            for (unsigned int iStr = 0; iStr < (SubElements.size()); ++iStr) {
+                if ((SubElements[iStr].find(searchStr) == std::string::npos) && (SubElements.size() > 0)) {
+                    QString msg = tr("Only one type of selection (vertex,face or edge) per constraint allowed!");
+                    QMessageBox::warning(this, tr("Selection error"), msg);
+                    addMe = false;
+                    break;
+                }
+            }
+            if (addMe) {
+                disconnect(ui->listReferences, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)),
+                    this, SLOT(setSelection(QListWidgetItem*)));
+                Objects.push_back(obj);
+                SubElements.push_back(subNames[subIt]);
+                ui->listReferences->addItem(makeRefText(obj, subNames[subIt]));
+                connect(ui->listReferences, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)),
+                    this, SLOT(setSelection(QListWidgetItem*)));
+            }
+        }
+    }
+    //Update UI
+    pcConstraint->References.setValues(Objects, SubElements);
+    updateUI();
+}
+
+void TaskFemConstraintFluidBoundary::removeFromSelection()
+{
+    std::vector<Gui::SelectionObject> selection = Gui::Selection().getSelectionEx(); //gets vector of selected objects of active document
+    if (selection.size() == 0) {
+        QMessageBox::warning(this, tr("Selection error"), tr("Nothing selected!"));
+        return;
+    }
+
+    Fem::ConstraintFluidBoundary* pcConstraint = static_cast<Fem::ConstraintFluidBoundary*>(ConstraintView->getObject());
+    std::vector<App::DocumentObject*> Objects = pcConstraint->References.getValues();
+    std::vector<std::string> SubElements = pcConstraint->References.getSubValues();
+    std::vector<unsigned int> itemsToDel;
+    for (std::vector<Gui::SelectionObject>::iterator it = selection.begin(); it != selection.end(); ++it) {//for every selected object
+        if (static_cast<std::string>(it->getTypeName()).substr(0, 4).compare(std::string("Part")) != 0) {
+            QMessageBox::warning(this, tr("Selection error"), tr("Selected object is not a part!"));
+            return;
+        }
+
+        std::vector<std::string> subNames = it->getSubNames();
+        App::DocumentObject* obj = ConstraintView->getObject()->getDocument()->getObject(it->getFeatName());
+
+        for (unsigned int subIt = 0; subIt < (subNames.size()); ++subIt) {// for every selected sub element
+            for (std::vector<std::string>::iterator itr = std::find(SubElements.begin(), SubElements.end(), subNames[subIt]);
+                itr != SubElements.end();
+                itr = std::find(++itr, SubElements.end(), subNames[subIt]))
+            {// for every sub element in selection that matches one in old list
+                if (obj == Objects[std::distance(SubElements.begin(), itr)]) {//if selected sub element's object equals the one in old list then it was added before so mark for deletion
+                    itemsToDel.push_back(std::distance(SubElements.begin(), itr));
+                }
+            }
+        }
+    }
+
+    std::sort(itemsToDel.begin(), itemsToDel.end());
+    while (itemsToDel.size() > 0) {
+        Objects.erase(Objects.begin() + itemsToDel.back());
+        SubElements.erase(SubElements.begin() + itemsToDel.back());
+        itemsToDel.pop_back();
+    }
+
+    //Update UI
+    disconnect(ui->listReferences, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)),
+        this, SLOT(setSelection(QListWidgetItem*)));
+
+    ui->listReferences->clear();
+    for (unsigned int j = 0; j < Objects.size(); j++) {
+        ui->listReferences->addItem(makeRefText(Objects[j], SubElements[j]));
+    }
+    connect(ui->listReferences, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)),
+        this, SLOT(setSelection(QListWidgetItem*)));
+
+    pcConstraint->References.setValues(Objects, SubElements);
+    updateUI();
+}
+
+void TaskFemConstraintFluidBoundary::setSelection(QListWidgetItem* item) {
+    std::string s = item->text().toStdString();
+    std::string docName = ConstraintView->getObject()->getDocument()->getName();
+
+    std::string delimiter = ":";
+
+    size_t pos = 0;
+    std::string objName;
+    std::string subName;
+    pos = s.find(delimiter);
+    objName = s.substr(0, pos);
+    s.erase(0, pos + delimiter.length());
+    subName = s;
+
+    Gui::Selection().clearSelection();
+    Gui::Selection().addSelection(docName.c_str(), objName.c_str(), subName.c_str(), 0, 0, 0);
+}
+
+void TaskFemConstraintFluidBoundary::updateUI()
+{
+    if (ui->listReferences->model()->rowCount() == 0) {
+        // Go into reference selection mode if no reference has been selected yet
+        onButtonReference(true);
+        return;
+    }
+}
+
 bool TaskFemConstraintFluidBoundary::event(QEvent *e)
 {
     return TaskFemConstraint::KeyEvent(e);

src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.h

@@ -34,6 +34,7 @@
 #include "ViewProviderFemConstraintFluidBoundary.h"
 
 #include <QKeyEvent>
+#include <QListWidgetItem>
 
 class Ui_TaskFemConstraintFluidBoundary;
 
@@ -72,7 +73,7 @@ public:
     double getHeatFluxValue(void) const;
     double getHTCoeffValue(void) const;
 
-    virtual const std::string getReferences() const;
+    const std::string getReferences() const;
     const std::string getDirectionName(void) const;
     const std::string getDirectionObject(void) const;
     bool getReverse(void) const;
@@ -86,18 +87,20 @@ private Q_SLOTS:
     void onReferenceDeleted(void);
     void onButtonDirection(const bool pressed = true);
     void onCheckReverse(bool); // consider removing this slot as the UI is hidden
+    void addToSelection();
+    void removeFromSelection();
+    void setSelection(QListWidgetItem* item);
 
 protected:
     bool event(QEvent *e);
     virtual void changeEvent(QEvent *e);
 
 private:
-    virtual void onSelectionChanged(const Gui::SelectionChanges& msg);
-    void updateSelectionUI();
     void updateBoundaryTypeUI();
     void updateSubtypeUI();
     void updateThermalBoundaryUI();
     void updateTurbulenceUI();
+    void updateUI();
 
 private:
     Ui_TaskFemConstraintFluidBoundary* ui;

src/Mod/Fem/Gui/TaskFemConstraintFluidBoundary.ui

@@ -6,459 +6,506 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>292</width>
-    <height>477</height>
+    <width>330</width>
+    <height>430</height>
    </rect>
   </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Maximum" vsizetype="Maximum">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>330</width>
+    <height>430</height>
+   </size>
+  </property>
   <property name="windowTitle">
    <string>Form</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout">
+  <layout class="QVBoxLayout" name="verticalLayout_4">
    <item>
-    <layout class="QFormLayout" name="layoutBoundaryType">
-     <item row="0" column="0">
-      <widget class="QLabel" name="labelBoundaryType">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-       <property name="text">
-        <string>Boundary </string>
-       </property>
-      </widget>
-     </item>
-     <item row="0" column="1">
-      <widget class="QComboBox" name="comboBoundaryType">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-      </widget>
-     </item>
-     <item row="1" column="0">
-      <widget class="QLabel" name="labelSubtype">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-       <property name="text">
-        <string>Subtype</string>
-       </property>
-      </widget>
-     </item>
-     <item row="1" column="1">
-      <widget class="QComboBox" name="comboSubtype">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-      </widget>
-     </item>
-    </layout>
-   </item>
-   <item>
-    <widget class="QPushButton" name="buttonReference">
-     <property name="text">
-      <string>Add geometry reference</string>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QListWidget" name="listReferences">
-     <property name="sizePolicy">
-      <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
-       <horstretch>0</horstretch>
-       <verstretch>0</verstretch>
-      </sizepolicy>
-     </property>
-     <property name="maximumSize">
-      <size>
-       <width>16777215</width>
-       <height>120</height>
-      </size>
-     </property>
-     <property name="baseSize">
-      <size>
-       <width>0</width>
-       <height>30</height>
-      </size>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QLabel" name="labelHelpText">
-     <property name="text">
-      <string>Help text</string>
-     </property>
-     <property name="wordWrap">
-      <bool>true</bool>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QTabWidget" name="tabWidget">
-     <property name="enabled">
-      <bool>true</bool>
-     </property>
-     <property name="currentIndex">
-      <number>2</number>
-     </property>
-     <widget class="QWidget" name="tabBasicBoundary">
-      <property name="enabled">
-       <bool>true</bool>
-      </property>
-      <attribute name="title">
-       <string>Tab 1</string>
-      </attribute>
-      <layout class="QVBoxLayout" name="verticalLayout_3">
-       <item>
-        <widget class="QLabel" name="labelBoundaryValue">
-         <property name="enabled">
-          <bool>true</bool>
-         </property>
-         <property name="minimumSize">
-          <size>
-           <width>50</width>
-           <height>0</height>
-          </size>
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <layout class="QFormLayout" name="layoutBoundaryType">
+       <item row="0" column="0">
+        <widget class="QLabel" name="labelBoundaryType">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
          </property>
          <property name="text">
-          <string>Value [Unit]</string>
+          <string>Boundary </string>
          </property>
         </widget>
        </item>
-       <item>
-        <layout class="QHBoxLayout" name="layoutBoundaryValue">
-         <item>
-          <spacer name="horizontalSpacer">
-           <property name="orientation">
-            <enum>Qt::Horizontal</enum>
-           </property>
-           <property name="sizeType">
-            <enum>QSizePolicy::Expanding</enum>
-           </property>
-           <property name="sizeHint" stdset="0">
-            <size>
-             <width>40</width>
-             <height>20</height>
-            </size>
-           </property>
-          </spacer>
-         </item>
-         <item>
-          <widget class="QDoubleSpinBox" name="spinBoundaryValue">
-           <property name="enabled">
-            <bool>true</bool>
-           </property>
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="minimumSize">
-            <size>
-             <width>80</width>
-             <height>0</height>
-            </size>
-           </property>
-           <property name="minimum">
-            <double>-99999.000000000000000</double>
-           </property>
-           <property name="maximum">
-            <double>99999.000000000000000</double>
-           </property>
-           <property name="value">
-            <double>0.000000000000000</double>
-           </property>
-          </widget>
-         </item>
-        </layout>
-       </item>
-       <item>
-        <layout class="QHBoxLayout" name="layoutDirection">
-         <item>
-          <widget class="QPushButton" name="buttonDirection">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="maximumSize">
-            <size>
-             <width>16777215</width>
-             <height>16777215</height>
-            </size>
-           </property>
-           <property name="text">
-            <string>Direction </string>
-           </property>
-          </widget>
-         </item>
-         <item>
-          <widget class="QLineEdit" name="lineDirection">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="minimumSize">
-            <size>
-             <width>75</width>
-             <height>0</height>
-            </size>
-           </property>
-           <property name="maximumSize">
-            <size>
-             <width>16777215</width>
-             <height>16777215</height>
-            </size>
-           </property>
-           <property name="baseSize">
-            <size>
-             <width>0</width>
-             <height>0</height>
-            </size>
-           </property>
-          </widget>
-         </item>
-        </layout>
-       </item>
-       <item>
-        <widget class="QCheckBox" name="checkReverse">
-         <property name="enabled">
-          <bool>true</bool>
-         </property>
-         <property name="minimumSize">
-          <size>
-           <width>160</width>
-           <height>0</height>
-          </size>
-         </property>
-         <property name="maximumSize">
-          <size>
-           <width>200</width>
-           <height>16777215</height>
-          </size>
-         </property>
-         <property name="text">
-          <string>Reverse direction</string>
-         </property>
-        </widget>
-       </item>
-       <item>
-        <spacer name="verticalSpacer">
-         <property name="orientation">
-          <enum>Qt::Vertical</enum>
-         </property>
-         <property name="sizeHint" stdset="0">
-          <size>
-           <width>20</width>
-           <height>7</height>
-          </size>
-         </property>
-        </spacer>
-       </item>
-      </layout>
-     </widget>
-     <widget class="QWidget" name="tabTurbulenceBoundary">
-      <attribute name="title">
-       <string>Page</string>
-      </attribute>
-      <layout class="QVBoxLayout" name="verticalLayout_2">
-       <item>
-        <widget class="QLabel" name="labelTurbulenceSpecification">
-         <property name="text">
-          <string>Turbulence specification</string>
-         </property>
-        </widget>
-       </item>
-       <item>
-        <widget class="QComboBox" name="comboTurbulenceSpecification">
+       <item row="0" column="1">
+        <widget class="QComboBox" name="comboBoundaryType">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
          </property>
-         <property name="frame">
-          <bool>true</bool>
+        </widget>
+       </item>
+       <item row="1" column="0">
+        <widget class="QLabel" name="labelSubtype">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="text">
+          <string>Subtype</string>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="1">
+        <widget class="QComboBox" name="comboSubtype">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <widget class="QLabel" name="lbl_info">
+       <property name="text">
+        <string>Select multiple face(s), click Add or Remove</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_2">
+       <item>
+        <widget class="QPushButton" name="btnAdd">
+         <property name="text">
+          <string>Add</string>
          </property>
         </widget>
        </item>
        <item>
-        <layout class="QHBoxLayout" name="layoutTurbulenceValue">
-         <item>
-          <widget class="QLabel" name="labelTurbulentIntensityValue">
-           <property name="text">
-            <string>Intensity    </string>
-           </property>
-          </widget>
-         </item>
-         <item>
-          <widget class="QDoubleSpinBox" name="spinTurbulentIntensityValue">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="minimumSize">
-            <size>
-             <width>80</width>
-             <height>0</height>
-            </size>
-           </property>
-          </widget>
-         </item>
-        </layout>
-       </item>
-       <item>
-        <layout class="QHBoxLayout" name="horizontalLayout">
-         <item>
-          <widget class="QLabel" name="labelTurbulentLengthValue">
-           <property name="text">
-            <string>Length [m]</string>
-           </property>
-          </widget>
-         </item>
-         <item>
-          <widget class="QDoubleSpinBox" name="spinTurbulentLengthValue">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="minimumSize">
-            <size>
-             <width>80</width>
-             <height>0</height>
-            </size>
-           </property>
-          </widget>
-         </item>
-        </layout>
-       </item>
-      </layout>
-     </widget>
-     <widget class="QWidget" name="tabThermalBoundary">
-      <attribute name="title">
-       <string>Tab 2</string>
-      </attribute>
-      <layout class="QVBoxLayout" name="verticalLayout_5">
-       <item>
-        <layout class="QFormLayout" name="formLayout">
-         <property name="fieldGrowthPolicy">
-          <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
+        <widget class="QPushButton" name="btnRemove">
+         <property name="text">
+          <string>Remove</string>
          </property>
-         <item row="0" column="0">
-          <widget class="QLabel" name="labelThermalBoundaryType">
-           <property name="text">
-            <string> Type </string>
-           </property>
-          </widget>
-         </item>
-         <item row="0" column="1">
-          <widget class="QComboBox" name="comboThermalBoundaryType">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-          </widget>
-         </item>
-         <item row="1" column="0">
-          <widget class="QLabel" name="labelTemperature">
-           <property name="text">
-            <string>Temperature[K]</string>
-           </property>
-          </widget>
-         </item>
-         <item row="1" column="1">
-          <widget class="QDoubleSpinBox" name="spinTemperatureValue">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="minimum">
-            <double>-273.149999999999977</double>
-           </property>
-           <property name="maximum">
-            <double>9999.000000000000000</double>
-           </property>
-          </widget>
-         </item>
-         <item row="2" column="0">
-          <widget class="QLabel" name="labelHeatFlux">
-           <property name="text">
-            <string>Heat flux [W/m2]</string>
-           </property>
-          </widget>
-         </item>
-         <item row="3" column="0">
-          <widget class="QLabel" name="labelHTCeoff">
-           <property name="text">
-            <string>HT coeff</string>
-           </property>
-          </widget>
-         </item>
-         <item row="3" column="1">
-          <widget class="QDoubleSpinBox" name="spinHTCoeffValue">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="minimum">
-            <double>0.000000000000000</double>
-           </property>
-           <property name="maximum">
-            <double>99999.000000000000000</double>
-           </property>
-           <property name="value">
-            <double>0.000000000000000</double>
-           </property>
-          </widget>
-         </item>
-         <item row="2" column="1">
-          <widget class="QDoubleSpinBox" name="spinHeatFluxValue">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="minimum">
-            <double>0.000000000000000</double>
-           </property>
-           <property name="maximum">
-            <double>99999.000000000000000</double>
-           </property>
-           <property name="value">
-            <double>0.000000000000000</double>
-           </property>
-          </widget>
-         </item>
-        </layout>
+        </widget>
        </item>
       </layout>
-     </widget>
-    </widget>
+     </item>
+     <item>
+      <widget class="QListWidget" name="listReferences">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>0</width>
+         <height>100</height>
+        </size>
+       </property>
+       <property name="maximumSize">
+        <size>
+         <width>16777215</width>
+         <height>16777215</height>
+        </size>
+       </property>
+       <property name="baseSize">
+        <size>
+         <width>0</width>
+         <height>0</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="labelHelpText">
+       <property name="text">
+        <string>Help text</string>
+       </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QTabWidget" name="tabWidget">
+       <property name="enabled">
+        <bool>true</bool>
+       </property>
+       <property name="currentIndex">
+        <number>0</number>
+       </property>
+       <widget class="QWidget" name="tabBasicBoundary">
+        <property name="enabled">
+         <bool>true</bool>
+        </property>
+        <attribute name="title">
+         <string>Tab 1</string>
+        </attribute>
+        <layout class="QVBoxLayout" name="verticalLayout_3">
+         <item>
+          <widget class="QLabel" name="labelBoundaryValue">
+           <property name="enabled">
+            <bool>true</bool>
+           </property>
+           <property name="minimumSize">
+            <size>
+             <width>50</width>
+             <height>0</height>
+            </size>
+           </property>
+           <property name="text">
+            <string>Value [Unit]</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <layout class="QHBoxLayout" name="layoutBoundaryValue">
+           <item>
+            <spacer name="horizontalSpacer">
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+             <property name="sizeType">
+              <enum>QSizePolicy::Expanding</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>40</width>
+               <height>20</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item>
+            <widget class="QDoubleSpinBox" name="spinBoundaryValue">
+             <property name="enabled">
+              <bool>true</bool>
+             </property>
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="minimumSize">
+              <size>
+               <width>80</width>
+               <height>0</height>
+              </size>
+             </property>
+             <property name="minimum">
+              <double>-99999.000000000000000</double>
+             </property>
+             <property name="maximum">
+              <double>99999.000000000000000</double>
+             </property>
+             <property name="value">
+              <double>0.000000000000000</double>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+         <item>
+          <layout class="QHBoxLayout" name="layoutDirection">
+           <item>
+            <widget class="QPushButton" name="buttonDirection">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="maximumSize">
+              <size>
+               <width>16777215</width>
+               <height>16777215</height>
+              </size>
+             </property>
+             <property name="toolTip">
+              <string>Select a planar edge or face, then press this button</string>
+             </property>
+             <property name="text">
+              <string>Direction </string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QLineEdit" name="lineDirection">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="minimumSize">
+              <size>
+               <width>75</width>
+               <height>0</height>
+              </size>
+             </property>
+             <property name="maximumSize">
+              <size>
+               <width>16777215</width>
+               <height>16777215</height>
+              </size>
+             </property>
+             <property name="baseSize">
+              <size>
+               <width>0</width>
+               <height>0</height>
+              </size>
+             </property>
+             <property name="toolTip">
+              <string>The direction of the edge or the direction of the
+normal vector of the face is used as direction</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+         <item>
+          <widget class="QCheckBox" name="checkReverse">
+           <property name="enabled">
+            <bool>true</bool>
+           </property>
+           <property name="minimumSize">
+            <size>
+             <width>160</width>
+             <height>0</height>
+            </size>
+           </property>
+           <property name="maximumSize">
+            <size>
+             <width>200</width>
+             <height>16777215</height>
+            </size>
+           </property>
+           <property name="text">
+            <string>Reverse direction</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="verticalSpacer">
+           <property name="orientation">
+            <enum>Qt::Vertical</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>20</width>
+             <height>7</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+        </layout>
+       </widget>
+       <widget class="QWidget" name="tabTurbulenceBoundary">
+        <attribute name="title">
+         <string>Page</string>
+        </attribute>
+        <layout class="QVBoxLayout" name="verticalLayout_2">
+         <item>
+          <widget class="QLabel" name="labelTurbulenceSpecification">
+           <property name="text">
+            <string>Turbulence specification</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QComboBox" name="comboTurbulenceSpecification">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="frame">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <layout class="QHBoxLayout" name="layoutTurbulenceValue">
+           <item>
+            <widget class="QLabel" name="labelTurbulentIntensityValue">
+             <property name="text">
+              <string>Intensity    </string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QDoubleSpinBox" name="spinTurbulentIntensityValue">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="minimumSize">
+              <size>
+               <width>80</width>
+               <height>0</height>
+              </size>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+         <item>
+          <layout class="QHBoxLayout" name="horizontalLayout">
+           <item>
+            <widget class="QLabel" name="labelTurbulentLengthValue">
+             <property name="text">
+              <string>Length [m]</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QDoubleSpinBox" name="spinTurbulentLengthValue">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="minimumSize">
+              <size>
+               <width>80</width>
+               <height>0</height>
+              </size>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+        </layout>
+       </widget>
+       <widget class="QWidget" name="tabThermalBoundary">
+        <attribute name="title">
+         <string>Tab 2</string>
+        </attribute>
+        <layout class="QVBoxLayout" name="verticalLayout_5">
+         <item>
+          <layout class="QFormLayout" name="formLayout">
+           <property name="fieldGrowthPolicy">
+            <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
+           </property>
+           <item row="0" column="0">
+            <widget class="QLabel" name="labelThermalBoundaryType">
+             <property name="text">
+              <string> Type </string>
+             </property>
+            </widget>
+           </item>
+           <item row="0" column="1">
+            <widget class="QComboBox" name="comboThermalBoundaryType">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="0">
+            <widget class="QLabel" name="labelTemperature">
+             <property name="text">
+              <string>Temperature[K]</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1">
+            <widget class="QDoubleSpinBox" name="spinTemperatureValue">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="minimum">
+              <double>-273.149999999999977</double>
+             </property>
+             <property name="maximum">
+              <double>9999.000000000000000</double>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="0">
+            <widget class="QLabel" name="labelHeatFlux">
+             <property name="text">
+              <string>Heat flux [W/m2]</string>
+             </property>
+            </widget>
+           </item>
+           <item row="3" column="0">
+            <widget class="QLabel" name="labelHTCeoff">
+             <property name="text">
+              <string>HT coeff</string>
+             </property>
+            </widget>
+           </item>
+           <item row="3" column="1">
+            <widget class="QDoubleSpinBox" name="spinHTCoeffValue">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="minimum">
+              <double>0.000000000000000</double>
+             </property>
+             <property name="maximum">
+              <double>99999.000000000000000</double>
+             </property>
+             <property name="value">
+              <double>0.000000000000000</double>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="1">
+            <widget class="QDoubleSpinBox" name="spinHeatFluxValue">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="minimum">
+              <double>0.000000000000000</double>
+             </property>
+             <property name="maximum">
+              <double>99999.000000000000000</double>
+             </property>
+             <property name="value">
+              <double>0.000000000000000</double>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </item>
+        </layout>
+       </widget>
+      </widget>
+     </item>
+    </layout>
    </item>
   </layout>
  </widget>