#1337 Caf: Preserve the user collapse settings for each object type within session.

Provide means to set groups collapsed by default in the defineUiOrdering method, and to force the setting disregrding the user actions

Fwk/AppFwk/cafProjectDataModel/cafPdmUiCore/cafPdmUiOrdering.h

@@ -81,12 +81,30 @@ private:
 };
 
 //==================================================================================================
-/// Class representing a group of fields
+/// Class representing a group of fields communicated to the Gui
 //==================================================================================================
 
 class PdmUiGroup : public PdmUiItem, public PdmUiOrdering
 {
+public:
+    PdmUiGroup() { m_isCollapsedByDefault = false; m_hasForcedExpandedState = false; m_forcedCollapseState = false;}
+
     virtual bool isUiGroup() { return true; }
+
+    /// Set this group to be collapsed by default. When the user expands the group, the default no longer has any effect. 
+    void         setCollapsedByDefault(bool doCollapse) { m_isCollapsedByDefault = doCollapse;} 
+    /// Forcifully set the collapsed state of the group, overriding the previous user actions and the default
+    void         setCollapsed(bool doCollapse)          { m_hasForcedExpandedState = true; m_forcedCollapseState = doCollapse;}
+
+    // Internal use
+    bool         isExpandedByDefault()    const { return !m_isCollapsedByDefault;} 
+    bool         hasForcedExpandedState() const { return m_hasForcedExpandedState;} 
+    bool         forcedExpandedState()    const { return !m_forcedCollapseState;}
+
+private:
+    bool         m_isCollapsedByDefault;
+    bool         m_hasForcedExpandedState;
+    bool         m_forcedCollapseState;
 };
 
 

Fwk/AppFwk/cafUserInterface/CMakeLists.txt

@@ -23,6 +23,7 @@ set( QOBJECT_HEADERS
     cafPdmUiCheckBoxTristateEditor.h
     cafPdmUiColorEditor.h
     cafPdmUiComboBoxEditor.h
+    cafPdmUiDefaultObjectEditor.h
     cafPdmUiDoubleSliderEditor.h
     cafPdmUiFilePathEditor.h
     cafPdmUiLineEditor.h

Fwk/AppFwk/cafUserInterface/QMinimizePanel.cpp

@@ -181,14 +181,26 @@ void QMinimizePanel::setTitle(const QString& title)
     m_titleLabel->setText(title);
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+QString QMinimizePanel::title() const
+{
+    return m_titleLabel->text();
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
 void QMinimizePanel::setExpanded(bool isExpanded)
 {
+    if (m_contentFrame->isHidden() != isExpanded) return;
+
     m_contentFrame->setVisible(isExpanded);
     isExpanded ? m_collapseButton->setIcon(expandUpIcon()) : m_collapseButton->setIcon(expandDownIcon());
     this->QWidget::updateGeometry();
+    
+    emit expandedChanged(isExpanded);
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -196,7 +208,7 @@ void QMinimizePanel::setExpanded(bool isExpanded)
 //--------------------------------------------------------------------------------------------------
 void QMinimizePanel::toggleExpanded()
 {
-    setExpanded(!m_contentFrame->isVisible());
+    setExpanded(m_contentFrame->isHidden());
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -207,7 +219,7 @@ QSize QMinimizePanel::minimumSizeHint() const
     QSize labelSize =  m_titleLabel->sizeHint();
     QSize titleBarHint = labelSize + QSize(4 + labelSize.height() + 8 - 2 + 1, 8);
 
-    if (m_contentFrame->isVisible())
+    if (!m_contentFrame->isHidden())
     {
         QSize titleBarMin(0, labelSize.height() + 8  );
         QSize contentsMin(m_contentFrame->minimumSizeHint());
@@ -236,10 +248,10 @@ void QMinimizePanel::resizeEvent(QResizeEvent *resizeEv )
     int buttonSize = titleHeight - 2;
 
     m_titleFrame->setGeometry(0,0,width, titleHeight);
-    m_titleLabel->setGeometry( 4, titleHeight - labelHeight - 4, width - buttonSize - 1, labelHeight);
+    m_titleLabel->setGeometry( 4, titleHeight - labelHeight - 4, width - 4 - buttonSize - 1, labelHeight);
     m_collapseButton->setGeometry(width - buttonSize - 1, 1, buttonSize, buttonSize);
     
-    m_contentFrame->setGeometry(0, titleHeight-1, width, heigth - titleHeight-1);
+    m_contentFrame->setGeometry(0, titleHeight-1, width, heigth - (titleHeight-1));
 }
 
 bool  QMinimizePanel::event(QEvent* event)

Fwk/AppFwk/cafUserInterface/QMinimizePanel.h

@@ -52,10 +52,15 @@ public:
 
     QFrame *      contentFrame() { return m_contentFrame; }  
     void          setTitle (const QString& title);
+    QString       title() const;
 
 public slots:
     void          setExpanded(bool isExpanded);
     void          toggleExpanded();
+
+signals:
+    void          expandedChanged(bool isExpanded);
+
 public:
     virtual QSize minimumSizeHint() const override;
 

Fwk/AppFwk/cafUserInterface/cafPdmUiDefaultObjectEditor.cpp

@@ -227,6 +227,7 @@ void PdmUiDefaultObjectEditor::recursiveSetupFieldsAndGroups(const std::vector<P
                 groupBox->setTitle(uiItems[i]->uiName());
                 groupBoxLayout = new QGridLayout();
                 groupBox->contentFrame()->setLayout(groupBoxLayout);
+                connect(groupBox, SIGNAL(expandedChanged(bool)), this, SLOT(groupBoxExpandedStateToggled(bool)));
 
                 m_newGroupBoxes[groupBoxKey] = groupBox;
             }
@@ -244,6 +245,11 @@ void PdmUiDefaultObjectEditor::recursiveSetupFieldsAndGroups(const std::vector<P
             /// Insert the group box at the correct position of the parent layout
 
             parentLayout->addWidget(groupBox, currentRowIndex, 0, 1, 2);
+
+            // Set Expanded state
+            bool isExpanded = isUiGroupExpanded(group);
+            groupBox->setExpanded(isExpanded);
+
             recursiveSetupFieldsAndGroups(groupChildren, groupBox->contentFrame(), groupBoxLayout, uiConfigName);
             currentRowIndex++;
         }
@@ -358,6 +364,28 @@ void PdmUiDefaultObjectEditor::recursiveSetupFieldsAndGroups(const std::vector<P
     }
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool PdmUiDefaultObjectEditor::isUiGroupExpanded(const PdmUiGroup* uiGroup)
+{
+    if (uiGroup->hasForcedExpandedState()) return uiGroup->forcedExpandedState();
+
+    auto kwMapPair = m_objectKeywordGroupUiNameExpandedState.find(pdmObject()->xmlCapability()->classKeyword());
+    if ( kwMapPair != m_objectKeywordGroupUiNameExpandedState.end() )
+    {
+        QString uiName = uiGroup->uiName();
+
+        auto uiNameExpStatePair = kwMapPair->second.find(uiName);
+        if ( uiNameExpStatePair != kwMapPair->second.end() )
+        {
+            return uiNameExpStatePair->second;
+        }
+    }
+
+    return uiGroup->isExpandedByDefault();
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
@@ -447,4 +475,20 @@ caf::PdmUiFieldEditorHandle* PdmUiFieldEditorHelper::fieldEditorForField(PdmUiFi
     return fieldEditor;
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void PdmUiDefaultObjectEditor::groupBoxExpandedStateToggled(bool isExpanded)
+{
+    if (!this->pdmObject()->xmlCapability()) return;
+
+    QString objKeyword = this->pdmObject()->xmlCapability()->classKeyword();
+    QMinimizePanel* panel = dynamic_cast<QMinimizePanel*>(this->sender());
+    
+    if (!panel) return;
+
+    m_objectKeywordGroupUiNameExpandedState[objKeyword][panel->title()] = isExpanded;
+
+}
+
 } // end namespace caf

Fwk/AppFwk/cafUserInterface/cafPdmUiDefaultObjectEditor.h

@@ -53,6 +53,7 @@ namespace caf
 {
 class PdmUiFieldEditorHandle;
 class PdmUiItem;
+class PdmUiGroup;
 
 
 class PdmUiFieldEditorHelper
@@ -68,6 +69,7 @@ public:
 
 class PdmUiDefaultObjectEditor : public PdmUiObjectEditorHandle
 {
+    Q_OBJECT
 public:
     PdmUiDefaultObjectEditor();
     ~PdmUiDefaultObjectEditor();
@@ -77,8 +79,12 @@ protected:
     virtual void        configureAndUpdateUi(const QString& uiConfigName) override;
     virtual void        cleanupBeforeSettingPdmObject() override;
 
+protected slots:
+    void                groupBoxExpandedStateToggled(bool isExpanded);
+
 private:
     void                recursiveSetupFieldsAndGroups(const std::vector<PdmUiItem*>& uiItems, QWidget* parent, QGridLayout* parentLayout, const QString& uiConfigName);
+    bool                isUiGroupExpanded(const PdmUiGroup* uiGroup);
     void                recursiveVerifyUniqueNames(const std::vector<PdmUiItem*>& uiItems, const QString& uiConfigName, std::set<QString>* fieldKeywordNames, std::set<QString>* groupNames);
 
     std::map<PdmFieldHandle*, PdmUiFieldEditorHandle*>  m_fieldViews; 
@@ -87,6 +93,8 @@ private:
 
     QPointer<QWidget>                                   m_mainWidget;
     QPointer<QGridLayout>                               m_layout;
+
+    std::map<QString, std::map<QString, bool> >         m_objectKeywordGroupUiNameExpandedState; 
 };