Fix for undo command DeletePatternPiece.

--HG--
branch : feature

src/app/mainwindow.cpp

@@ -166,6 +166,7 @@ void MainWindow::ActionNewPP()
         {
             return;
         }
+        path = doc->MPath();
     }
     if (doc->appendPP(patternPieceName) == false)
     {
@@ -195,7 +196,10 @@ void MainWindow::ActionNewPP()
     if ( index != -1 )
     { // -1 for not found
         comboBoxDraws->setCurrentIndex(index);
-        currentDrawChanged( index );
+    }
+    else
+    {
+        comboBoxDraws->setCurrentIndex(0);
     }
     connect(comboBoxDraws,  static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this,
             &MainWindow::currentDrawChanged);
@@ -1590,8 +1594,13 @@ void MainWindow::FullParseFile()
     qint32 index = comboBoxDraws->findText(patternPiece);
     if ( index != -1 )
     { // -1 for not found
-        comboBoxDraws->setCurrentIndex(index);
+        currentDrawChanged(index);
     }
+    else
+    {
+        currentDrawChanged(0);
+    }
+
     if (comboBoxDraws->count() > 0)
     {
         SetEnableTool(true);

src/app/tools/drawTools/vdrawtool.h

@@ -98,9 +98,9 @@ protected:
             QMenu menu;
             QAction *actionOption = menu.addAction(tr("Options"));
             QAction *actionRemove = nullptr;
+            actionRemove = menu.addAction(tr("Delete"));
             if (showRemove)
             {
-                actionRemove = menu.addAction(tr("Delete"));
                 if (_referens > 1)
                 {
                     actionRemove->setEnabled(false);
@@ -110,6 +110,11 @@ protected:
                     actionRemove->setEnabled(true);
                 }
             }
+            else
+            {
+                actionRemove->setEnabled(false);
+            }
+
             QAction *selectedAction = menu.exec(event->screenPos());
             if (selectedAction == actionOption)
             {
@@ -130,15 +135,12 @@ protected:
 
                 dialog->show();
             }
-            if (showRemove)
-            {
             if (selectedAction == actionRemove)
             {
                 DeleteTool();
             }
         }
     }
-    }
     template <typename Item>
     /**
      * @brief ShowItem highlight tool.

src/app/tools/drawTools/vtoolsinglepoint.cpp

@@ -34,6 +34,8 @@
 #include "../../undocommands/deletepatternpiece.h"
 #include "../../geometry/vpointf.h"
 
+#include <QMessageBox>
+
 const QString VToolSinglePoint::ToolType = QStringLiteral("single");
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -185,8 +187,18 @@ void VToolSinglePoint::decrementReferens()
 //---------------------------------------------------------------------------------------------------------------------
 void VToolSinglePoint::DeleteTool()
 {
-    DeletePatternPiece *deletePP = new DeletePatternPiece(doc, namePP);
+    QMessageBox msgBox;
-    connect(deletePP, &DeletePatternPiece::ClearScene, doc, &VPattern::ClearScene);
+    msgBox.setText(tr("Confirm the deletion."));
+    msgBox.setInformativeText(tr("Do you really want delete?"));
+    msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
+    msgBox.setDefaultButton(QMessageBox::Ok);
+    msgBox.setIcon(QMessageBox::Question);
+    if (msgBox.exec() == QMessageBox::Cancel)
+    {
+        return;
+    }
+
+    DeletePatternPiece *deletePP = new DeletePatternPiece(doc, nameActivDraw);
     connect(deletePP, &DeletePatternPiece::NeedFullParsing, doc, &VPattern::NeedFullParsing);
     qApp->getUndoStack()->push(deletePP);
 }
@@ -224,9 +236,16 @@ void VToolSinglePoint::setColorLabel(const Qt::GlobalColor &color)
  * @param event context menu event.
  */
 void VToolSinglePoint::contextMenuEvent ( QGraphicsSceneContextMenuEvent * event )
+{
+    if (doc->CountPP() > 1)
     {
         ContextMenu<DialogSinglePoint>(this, event);
     }
+    else
+    {
+        ContextMenu<DialogSinglePoint>(this, event, false);
+    }
+}
 
 //---------------------------------------------------------------------------------------------------------------------
 /**
@@ -276,6 +295,13 @@ void VToolSinglePoint::SetFactor(qreal factor)
  * @param event context menu event.
  */
 void VToolSinglePoint::ShowContextMenu(QGraphicsSceneContextMenuEvent *event)
+{
+    if (doc->CountPP() > 1)
+    {
+        ContextMenu<DialogSinglePoint>(this, event);
+    }
+    else
     {
         ContextMenu<DialogSinglePoint>(this, event, false);
     }
+}

src/app/tools/drawTools/vtoolsinglepoint.h

@@ -40,8 +40,7 @@ class VToolSinglePoint : public VToolPoint
     Q_OBJECT
 public:
     VToolSinglePoint (VPattern *doc, VContainer *data, quint32 id, const Source &typeCreation,
-                      const QString &namePP = QString(), const QString &mPath = QString(),
+                      const QString &namePP, const QString &mPath, QGraphicsItem * parent = nullptr );
-                      QGraphicsItem * parent = nullptr );
     virtual void setDialog();
     static const QString ToolType;
 public slots:
@@ -60,10 +59,6 @@ protected:
     virtual void RefreshDataInFile();
     QVariant     itemChange ( GraphicsItemChange change, const QVariant &value );
     virtual void decrementReferens();
-    /**
-     * @brief DeleteTool delete tool from file and scene. This tool can't be deleted by now.
-     * @param tool tool what me delete.
-     */
     virtual void DeleteTool();
     virtual void SaveDialog(QDomElement &domElement);
 private:

src/app/undocommands/addpatternpiece.cpp

@@ -34,6 +34,9 @@ AddPatternPiece::AddPatternPiece(const QDomElement &xml, VPattern *doc, const QS
                                  QUndoCommand *parent)
     : QObject(), QUndoCommand(parent), xml(xml), doc(doc), namePP(namePP), redoFlag(false), mPath(mPath)
 {
+    Q_ASSERT(xml.isNull() == false);
+    Q_ASSERT(namePP.isEmpty() == false);
+    Q_ASSERT(mPath.isEmpty() == false);
     setText(tr("Add pattern piece %1").arg(namePP));
 }
 
@@ -44,7 +47,7 @@ AddPatternPiece::~AddPatternPiece()
 //---------------------------------------------------------------------------------------------------------------------
 void AddPatternPiece::undo()
 {
-    if (CountPP() <= 1)
+    if (doc->CountPP() <= 1)
     {
         emit ClearScene();
     }
@@ -60,7 +63,7 @@ void AddPatternPiece::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void AddPatternPiece::redo()
 {
-    if (CountPP() == 0 && mPath.isEmpty() == false)
+    if (doc->CountPP() == 0 && mPath.isEmpty() == false)
     {
         doc->CreateEmptyFile(mPath);
     }
@@ -75,16 +78,3 @@ void AddPatternPiece::redo()
     }
     redoFlag = true;
 }
-
-//---------------------------------------------------------------------------------------------------------------------
-int AddPatternPiece::CountPP()
-{
-    QDomElement rootElement = doc->documentElement();
-    if (rootElement.isNull())
-    {
-        return 0;
-    }
-
-    const QDomNodeList elements = rootElement.elementsByTagName( VPattern::TagDraw );
-    return elements.count();
-}

src/app/undocommands/addpatternpiece.h

@@ -53,7 +53,6 @@ private:
     QString    namePP;
     bool       redoFlag;
     QString    mPath;
-    int        CountPP();
 };
 
 #endif // ADDPATTERNPIECE_H

src/app/undocommands/deletepatternpiece.cpp

@@ -50,42 +50,19 @@ DeletePatternPiece::~DeletePatternPiece()
 //---------------------------------------------------------------------------------------------------------------------
 void DeletePatternPiece::undo()
 {
-    if (CountPP() == 0)
-    {
-        doc->CreateEmptyFile(mPath);
-    }
 
     QDomElement rootElement = doc->documentElement();
     rootElement.insertAfter(patternPiece, previousNode);
 
     emit NeedFullParsing();
+    doc->ChangedActivPP(namePP);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void DeletePatternPiece::redo()
-{
-    if (CountPP() <= 1)
-    {
-        emit ClearScene();
-    }
-    else
 {
     QDomElement rootElement = doc->documentElement();
     QDomElement patternPiece = doc->GetPPElement(namePP);
     rootElement.removeChild(patternPiece);
     emit NeedFullParsing();
 }
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-int DeletePatternPiece::CountPP()
-{
-    QDomElement rootElement = doc->documentElement();
-    if (rootElement.isNull())
-    {
-        return 0;
-    }
-
-    const QDomNodeList elements = rootElement.elementsByTagName( VPattern::TagDraw );
-    return elements.count();
-}

src/app/undocommands/deletepatternpiece.h

@@ -43,7 +43,6 @@ public:
     virtual void undo();
     virtual void redo();
 signals:
-    void ClearScene();
     void NeedFullParsing();
 private:
     Q_DISABLE_COPY(DeletePatternPiece)
@@ -52,7 +51,6 @@ private:
     QDomElement patternPiece;
     QString     mPath;
     QDomNode    previousNode;
-    int         CountPP();
 };
 
 #endif // DELETEPATTERNPIECE_H

src/app/xml/vpattern.cpp

@@ -126,8 +126,6 @@ void VPattern::CreateEmptyFile(const QString &tablePath)
 void VPattern::ChangeActivPP(const QString &name, const Document &parse)
 {
     Q_ASSERT_X(name.isEmpty() == false, "ChangeActivPP", "name pattern piece is empty");
-    if (this->nameActivDraw != name)
-    {
     if (CheckNamePP(name))
     {
         this->nameActivDraw = name;
@@ -137,7 +135,6 @@ void VPattern::ChangeActivPP(const QString &name, const Document &parse)
         }
     }
 }
-}
 
 //---------------------------------------------------------------------------------------------------------------------
 /**
@@ -194,7 +191,8 @@ bool VPattern::appendPP(const QString &name)
         }
         else
         {
-            ChangeActivPP(name);
+            this->nameActivDraw = name;
+            emit ChangedActivPP(name);
         }
         return true;
     }
@@ -338,7 +336,7 @@ void VPattern::setCurrentData()
 {
     if (*mode == Draw::Calculation)
     {
-        if (patternPieces.size() > 1)//don't need upadate data if we have only one pattern piece
+        if (CountPP() > 1)//don't need upadate data if we have only one pattern piece
         {
             quint32 id = 0;
             if (history.size() == 0)
@@ -985,7 +983,7 @@ void VPattern::ParsePointElement(VMainGraphicsScene *scene, QDomElement &domElem
                 }
                 if (parse == Document::FullParse)
                 {
-                    spoint = new VToolSinglePoint(this, data, id, Source::FromFile);
+                    spoint = new VToolSinglePoint(this, data, id, Source::FromFile, nameActivDraw, MPath());
                     scene->addItem(spoint);
                     connect(spoint, &VToolSinglePoint::ChoosedTool, scene, &VMainGraphicsScene::ChoosedItem);
                     connect(scene, &VMainGraphicsScene::NewFactor, spoint, &VToolSinglePoint::SetFactor);
@@ -1911,3 +1909,15 @@ QDomElement VPattern::GetPPElement(const QString &name)
     }
     return QDomElement();
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+int VPattern::CountPP() const
+{
+    const QDomElement rootElement = this->documentElement();
+    if (rootElement.isNull())
+    {
+        return 0;
+    }
+
+    return rootElement.elementsByTagName( TagDraw ).count();
+}

src/app/xml/vpattern.h

@@ -109,6 +109,8 @@ public:
     virtual bool   SaveDocument(const QString &fileName);
     QStringList    getPatternPieces() const;
     QDomElement    GetPPElement(const QString &name);
+    bool           CheckNamePP(const QString& name) const;
+    int            CountPP() const;
 signals:
     /**
      * @brief ChangedActivDraw change active pattern peace.
@@ -172,7 +174,6 @@ private:
     VMainGraphicsScene *sceneDraw;
     VMainGraphicsScene *sceneDetail;
 
-    bool           CheckNamePP(const QString& name) const;
     void           SetActivPP(const QString& name);
     void           ParseDrawElement(VMainGraphicsScene  *sceneDraw, VMainGraphicsScene *sceneDetail,
                                     const QDomNode& node, const Document &parse);