Leader and RichText block improvements

src/Mod/TechDraw/App/DrawRichAnno.cpp

@@ -0,0 +1,131 @@
+/***************************************************************************
+ *   Copyright (c) 2019 Wanderer Fan <wandererfan@gmail.com>               *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  is distributed in the hope that it will be useful,      *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "PreCompiled.h"
+
+#ifndef _PreComp_
+#endif
+
+#include <App/Application.h>
+#include <Base/Console.h>
+#include <Base/Exception.h>
+#include <Base/Parameter.h>
+
+#include "DrawUtil.h"
+
+#include <Mod/TechDraw/App/DrawRichAnnoPy.h>  // generated from DrawRichAnnoPy.xml
+#include "DrawRichAnno.h"
+
+using namespace TechDraw;
+
+//===========================================================================
+// DrawRichAnno - movable rich text block
+//===========================================================================
+
+PROPERTY_SOURCE(TechDraw::DrawRichAnno, TechDraw::DrawView)
+
+DrawRichAnno::DrawRichAnno(void)
+{
+    static const char *group = "Text Block";
+
+    ADD_PROPERTY_TYPE(AnnoParent,(0),group,(App::PropertyType)(App::Prop_None),
+                      "Object to which this annontation is attached");
+    ADD_PROPERTY_TYPE(AnnoText, (""), group, App::Prop_None, "Anno text");
+//    Base::Vector3d pos(0.0,0.0,0.0);
+//    ADD_PROPERTY_TYPE(TextPosition, (pos), group, App::Prop_None, "Anno position relative to parent");
+    ADD_PROPERTY_TYPE(ShowFrame, (true), group, App::Prop_None, "Outline rectangle on/off");
+    ADD_PROPERTY_TYPE(MaxWidth, (-1.0), group, App::Prop_None, "Width limit before auto wrap");
+}
+
+DrawRichAnno::~DrawRichAnno()
+{
+}
+
+void DrawRichAnno::onChanged(const App::Property* prop)
+{
+    if (!isRestoring()) {
+        //nothing in particular
+    }
+    DrawView::onChanged(prop);
+
+}
+
+short DrawRichAnno::mustExecute() const
+{
+    bool result = 0;
+    if (!isRestoring()) {
+        result =  (AnnoText.isTouched());
+    }
+    if (result) {
+        return result;
+    }
+
+    return DrawView::mustExecute();
+}
+
+App::DocumentObjectExecReturn *DrawRichAnno::execute(void)
+{ 
+//    Base::Console().Message("DRA::execute()\n");
+    if (!keepUpdated()) {
+        return App::DocumentObject::StdReturn;
+    }
+    return DrawView::execute();
+}
+
+DrawView* DrawRichAnno::getBaseView(void) const
+{
+//    Base::Console().Message("DRA::getBaseView() - %s\n", getNameInDocument());
+    DrawView* result = nullptr;
+    App::DocumentObject* baseObj = AnnoParent.getValue();
+    if (baseObj != nullptr) {
+        DrawView* cast = dynamic_cast<DrawView*>(baseObj);
+        if (cast != nullptr) {
+            result = cast;
+        }
+    }
+    return result;
+}
+
+
+PyObject *DrawRichAnno::getPyObject(void)
+{
+    if (PythonObject.is(Py::_None())) {
+        // ref counter is set to 1
+        PythonObject = Py::Object(new DrawRichAnnoPy(this),true);
+    }
+    return Py::new_reference_to(PythonObject);
+}
+
+// Python Drawing feature ---------------------------------------------------------
+
+namespace App {
+/// @cond DOXERR
+PROPERTY_SOURCE_TEMPLATE(TechDraw::DrawRichAnnoPython, TechDraw::DrawRichAnno)
+template<> const char* TechDraw::DrawRichAnnoPython::getViewProviderName(void) const {
+    return "TechDrawGui::ViewProviderRichAnno";
+}
+/// @endcond
+
+// explicit template instantiation
+template class TechDrawExport FeaturePythonT<TechDraw::DrawRichAnno>;
+}
+