Added delete button

--HG--
branch : feature

src/app/valentina/dialogs/dialogpatternproperties.cpp

@@ -65,6 +65,7 @@ DialogPatternProperties::DialogPatternProperties(VPattern *doc,  VContainer *pat
     connect(ui->plainTextEditTechNotes, &QPlainTextEdit::textChanged, this, &DialogPatternProperties::DescEdited);
 
     InitImage();
+    connect(ui->deleteImageButton, &QPushButton::clicked, this, &DialogPatternProperties::DeleteImage);
 
     connect(ui->buttonBox->button(QDialogButtonBox::Ok), &QPushButton::clicked, this, &DialogPatternProperties::Ok);
     connect(ui->buttonBox->button(QDialogButtonBox::Apply), &QPushButton::clicked, this,
@@ -649,5 +650,11 @@ void DialogPatternProperties::SetNewImage()
         // save our image to file.val
         doc->SetImage(iconBase64);
     }
-
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogPatternProperties::DeleteImage()
+{
+    doc->DeleteImage();
+    ui->imageLabel->setText("Change image");
 }

src/app/valentina/dialogs/dialogpatternproperties.h

@@ -64,6 +64,7 @@ private slots:
     void ToggleComboBox();
     void DefValueChanged();
     void SecurityValueChanged();
+    void DeleteImage();
 private:
     Q_DISABLE_COPY(DialogPatternProperties)
     Ui::DialogPatternProperties *ui;

src/app/valentina/dialogs/dialogpatternproperties.ui

@@ -106,6 +106,13 @@
              </property>
             </widget>
            </item>
+           <item>
+            <widget class="QPushButton" name="deleteImageButton">
+             <property name="text">
+              <string>delete image</string>
+             </property>
+            </widget>
+           </item>
           </layout>
          </item>
         </layout>

src/app/valentina/xml/vpattern.cpp

@@ -86,7 +86,6 @@ void VPattern::CreateEmptyFile()
     patternElement.appendChild(createElement(TagAuthor));
     patternElement.appendChild(createElement(TagDescription));
     patternElement.appendChild(createElement(TagNotes));
-    patternElement.appendChild(createElement(TagImage));
 
     patternElement.appendChild(createElement(TagMeasurements));
     patternElement.appendChild(createElement(TagIncrements));
@@ -128,7 +127,7 @@ void VPattern::Parse(const Document &parse)
     SCASSERT(sceneDraw != nullptr);
     SCASSERT(sceneDetail != nullptr);
     QStringList tags = QStringList() << TagDraw << TagIncrements << TagAuthor << TagDescription << TagNotes
-                                     << TagImage << TagMeasurements << TagVersion << TagGradation << TagUnit;
+                                     << TagMeasurements << TagVersion << TagGradation << TagImage << TagUnit;
     PrepareForParse(parse);
     QDomNode domNode = documentElement().firstChild();
     while (domNode.isNull() == false)

src/libs/ifc/xml/vabstractpattern.cpp

@@ -932,6 +932,20 @@ void VAbstractPattern::SetImage(const QString &text)
     emit patternChanged(false);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractPattern::DeleteImage()
+{
+    QDomElement pattern = documentElement();
+    QDomNodeList images = this->elementsByTagName(TagImage);
+    for (int i=0; i<images.count(); ++i)
+    {
+        QDomNode image = images.at(i);
+        pattern.removeChild(image);
+    }
+    modified = true;
+    emit patternChanged(false);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 QString VAbstractPattern::GetVersion() const
 {

src/libs/ifc/xml/vabstractpattern.h

@@ -108,6 +108,7 @@ public:
 
     QString        GetImage() const;
     void           SetImage(const QString &text);
+    void           DeleteImage();
 
     QString        GetVersion() const;
     void           SetVersion();