Speed up bulk removing pieces.

Optimizations for 'do' and 'undo' operations.

--HG--
branch : develop

src/app/valentina/dialogs/vwidgetdetails.cpp

@@ -35,6 +35,7 @@
 #include "../vtools/tools/vtoolseamallowance.h"
 
 #include <QMenu>
+#include <QTimer>
 #include <QUndoStack>
 
 namespace
@@ -54,7 +55,8 @@ VWidgetDetails::VWidgetDetails(VContainer *data, VAbstractPattern *doc, QWidget
     : QWidget(parent),
       ui(new Ui::VWidgetDetails),
       m_doc(doc),
-      m_data(data)
+      m_data(data),
+      m_updateListTimer(new QTimer(this))
 {
     ui->setupUi(this);
 
@@ -66,6 +68,12 @@ VWidgetDetails::VWidgetDetails(VContainer *data, VAbstractPattern *doc, QWidget
 
     connect(ui->tableWidget, &QTableWidget::cellClicked, this, &VWidgetDetails::InLayoutStateChanged);
     connect(ui->tableWidget, &QTableWidget::customContextMenuRequested, this, &VWidgetDetails::ShowContextMenu);
+
+    m_updateListTimer->setSingleShot(true);
+    connect(m_updateListTimer, &QTimer::timeout, this, [this]()
+    {
+        FillTable(m_data->DataPieces());
+    });
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -77,7 +85,10 @@ VWidgetDetails::~VWidgetDetails()
 //---------------------------------------------------------------------------------------------------------------------
 void VWidgetDetails::UpdateList()
 {
-    FillTable(m_data->DataPieces());
+    // The filling table is a very expensive operation. This optimization will postpone it.
+    // Each time a new request happen we will wait 800 ms before calling it. If at this time a new request will arrive
+    // we will wait 800 ms more. And so on, until nothing happens within 800ms.
+    m_updateListTimer->start(800);
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/valentina/dialogs/vwidgetdetails.h

@@ -68,6 +68,7 @@ private:
     Ui::VWidgetDetails *ui;
     VAbstractPattern   *m_doc;
     VContainer         *m_data;
+    QTimer             *m_updateListTimer;
 
     void FillTable(const QHash<quint32, VPiece> *details);
     void ToggleSectionDetails(bool select);

src/libs/ifc/xml/vdomdocument.cpp

@@ -939,9 +939,9 @@ QDomElement VDomDocument::CloneNodeById(const quint32 &nodeId)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-QDomElement VDomDocument::NodeById(const quint32 &nodeId)
+QDomElement VDomDocument::NodeById(const quint32 &nodeId, const QString &tagName)
 {
-    QDomElement domElement = elementById(nodeId);
+    QDomElement domElement = elementById(nodeId, tagName);
     if (domElement.isNull() || domElement.isElement() == false)
     {
         throw VExceptionBadId(tr("Couldn't get node"), nodeId);

src/libs/ifc/xml/vdomdocument.h

@@ -135,7 +135,7 @@ public:
 
     QDomNode       ParentNodeById(const quint32 &nodeId);
     QDomElement    CloneNodeById(const quint32 &nodeId);
-    QDomElement    NodeById(const quint32 &nodeId);
+    QDomElement    NodeById(const quint32 &nodeId, const QString &tagName = QString());
 
     static bool    SafeCopy(const QString &source, const QString &destination, QString &error);
 
@@ -144,6 +144,8 @@ public:
 
     void           TestUniqueId() const;
 
+    void RefreshElementIdCache();
+
 protected:
     bool           setTagText(const QString &tag, const QString &text);
     bool           setTagText(const QDomElement &domElement, const QString &text);
@@ -152,9 +154,6 @@ protected:
 
     static void    ValidateVersion(const QString &version);
 
-protected slots:
-    void RefreshElementIdCache();
-
 private slots:
     void CacheRefreshed();
 

src/libs/vtools/undocommands/deletepiece.cpp

@@ -91,7 +91,7 @@ void DeletePiece::undo()
 {
     qCDebug(vUndo, "Undo.");
 
-    UndoDeleteAfterSibling(m_parentNode, m_siblingId);
+    UndoDeleteAfterSibling(m_parentNode, m_siblingId, VAbstractPattern::TagDetail);
 
     VAbstractPattern::AddTool(nodeId, m_tool);
     m_data.UpdatePiece(nodeId, m_detail);

src/libs/vtools/undocommands/vundocommand.cpp

@@ -62,7 +62,7 @@ void VUndoCommand::RedoFullParsing()
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VUndoCommand::UndoDeleteAfterSibling(QDomNode &parentNode, const quint32 &siblingId) const
+void VUndoCommand::UndoDeleteAfterSibling(QDomNode &parentNode, quint32 siblingId, const QString &tagName) const
 {
     if (siblingId == NULL_ID)
     {
@@ -70,8 +70,9 @@ void VUndoCommand::UndoDeleteAfterSibling(QDomNode &parentNode, const quint32 &s
     }
     else
     {
-        const QDomElement refElement = doc->NodeById(siblingId);
+        const QDomElement refElement = doc->NodeById(siblingId, tagName);
         parentNode.insertAfter(xml, refElement);
+        doc->RefreshElementIdCache();
     }
 }
 

src/libs/vtools/undocommands/vundocommand.h

@@ -81,7 +81,8 @@ protected:
     quint32      nodeId;
     bool         redoFlag;
     virtual void RedoFullParsing();
-    void         UndoDeleteAfterSibling(QDomNode &parentNode, const quint32 &siblingId) const;
+    void         UndoDeleteAfterSibling(QDomNode &parentNode, quint32 siblingId,
+                                        const QString &tagName = QString()) const;
 
     void         IncrementReferences(const QVector<quint32> &nodes) const;
     void         DecrementReferences(const QVector<quint32> &nodes) const;