[TD]fix preference file handling

src/Mod/TechDraw/App/DrawGeomHatch.cpp

@@ -70,6 +70,7 @@
 
 #include "HatchLine.h"
 #include "DrawUtil.h"
+#include "Preferences.h"
 #include "Geometry.h"
 #include "DrawPage.h"
 #include "DrawViewPart.h"
@@ -615,19 +616,7 @@ void DrawGeomHatch::unsetupObject(void)
 
 std::string DrawGeomHatch::prefGeomHatchFile(void)
 {
-    Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
-        .GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/PAT");
-
-    std::string defaultDir = App::Application::getResourceDir() + "Mod/TechDraw/PAT/";
-    std::string defaultFileName = defaultDir + "FCPAT.pat";
-    std::string prefHatchFile = hGrp->GetASCII("FilePattern", defaultFileName.c_str());
-    std::string result = prefHatchFile;
-    Base::FileInfo fi(result);
-    if (!fi.isReadable()) {
-        result = defaultFileName;
-        Base::Console().Warning("Pat Hatch File: %s is not readable\n", prefHatchFile.c_str());
-    }
-    return result;
+    return Preferences::patFile();
 }
 
 std::string DrawGeomHatch::prefGeomHatchName()

src/Mod/TechDraw/App/DrawHatch.cpp

@@ -45,6 +45,7 @@
 
 #include "DrawViewPart.h"
 #include "DrawUtil.h"
+#include "Preferences.h"
 #include "DrawHatch.h"
 
 #include <Mod/TechDraw/App/DrawHatchPy.h>  // generated from DrawHatchPy.xml
@@ -261,19 +262,7 @@ void DrawHatch::unsetupObject(void)
 //standard preference getters
 std::string DrawHatch::prefSvgHatch(void)
 {
-    Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
-        .GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/Files");
-
-    std::string defaultDir = App::Application::getResourceDir() + "Mod/TechDraw/Patterns/";
-    std::string defaultFileName = defaultDir + "simple.svg";
-    std::string prefHatchFile = hGrp->GetASCII("FileHatch",defaultFileName.c_str());
-    std::string result = prefHatchFile;
-    Base::FileInfo fi(result);
-    if (!fi.isReadable()) {
-        result = defaultFileName;
-        Base::Console().Warning("Svg Hatch File: %s is not readable\n", prefHatchFile.c_str());
-    }
-    return result;
+    return Preferences::svgFile();
 }
 
 App::Color DrawHatch::prefSvgHatchColor(void)

src/Mod/TechDraw/App/Preferences.cpp

@@ -193,6 +193,9 @@ QString Preferences::defaultTemplate()
     std::string defaultDir = App::Application::getResourceDir() + "Mod/TechDraw/Templates/";
     std::string defaultFileName = defaultDir + "A4_LandscapeTD.svg";
     std::string prefFileName = hGrp->GetASCII("TemplateFile",defaultFileName.c_str());
+    if (prefFileName.empty()) {
+        prefFileName = defaultFileName;
+    }
     QString templateFileName = QString::fromStdString(prefFileName);
     Base::FileInfo fi(prefFileName);
     if (!fi.isReadable()) {
@@ -209,6 +212,9 @@ QString Preferences::defaultTemplateDir()
 
     std::string defaultDir = App::Application::getResourceDir() + "Mod/TechDraw/Templates";
     std::string prefTemplateDir = hGrp->GetASCII("TemplateDir", defaultDir.c_str());
+    if (prefTemplateDir.empty()) {
+        prefTemplateDir = defaultDir;
+    }
     QString templateDir = QString::fromStdString(prefTemplateDir);
     Base::FileInfo fi(prefTemplateDir);
     if (!fi.isReadable()) {
@@ -226,6 +232,9 @@ std::string Preferences::lineGroupFile()
     std::string defaultDir = App::Application::getResourceDir() + "Mod/TechDraw/LineGroup/";
     std::string defaultFileName = defaultDir + "LineGroup.csv";
     std::string lgFileName = hGrp->GetASCII("LineGroupFile",defaultFileName.c_str());
+    if (lgFileName.empty()) {
+        lgFileName = defaultFileName;
+    }
     Base::FileInfo fi(lgFileName);
     if (!fi.isReadable()) {
         Base::Console().Warning("Line Group File: %s is not readable\n", lgFileName.c_str());
@@ -256,3 +265,40 @@ int Preferences::mattingStyle()
     int style = hGrp->GetInt("MattingStyle", 0);
     return style;
 }
+
+std::string Preferences::svgFile()
+{
+    Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
+        .GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/Files");
+
+    std::string defaultDir = App::Application::getResourceDir() + "Mod/TechDraw/Patterns/";
+    std::string defaultFileName = defaultDir + "simple.svg";
+    std::string prefHatchFile = hGrp->GetASCII("FileHatch",defaultFileName.c_str());
+    if (prefHatchFile.empty()) {
+        prefHatchFile = defaultFileName;
+    }
+    std::string result = prefHatchFile;
+    Base::FileInfo fi(result);
+    if (!fi.isReadable()) {
+        result = defaultFileName;
+        Base::Console().Warning("Svg Hatch File: %s is not readable\n", prefHatchFile.c_str());
+    }
+    return result;
+}
+
+std::string Preferences::patFile()
+{
+    Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
+        .GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/PAT");
+
+    std::string defaultDir = App::Application::getResourceDir() + "Mod/TechDraw/PAT/";
+    std::string defaultFileName = defaultDir + "FCPAT.pat";
+    std::string prefHatchFile = hGrp->GetASCII("FilePattern", defaultFileName.c_str());
+    std::string result = prefHatchFile;
+    Base::FileInfo fi(result);
+    if (!fi.isReadable()) {
+        result = defaultFileName;
+        Base::Console().Warning("Pat Hatch File: %s is not readable\n", prefHatchFile.c_str());
+    }
+    return result;
+}

src/Mod/TechDraw/App/Preferences.h

@@ -71,6 +71,9 @@ static int          altDecimals();
 
 static int         mattingStyle();
 
+static std::string svgFile();
+static std::string patFile();
+
 };
 
 } //end namespace TechDraw

src/Mod/TechDraw/Gui/DlgPrefsTechDrawGeneralImp.cpp

@@ -25,6 +25,11 @@
 
 #include "PreCompiled.h"
 
+#include <App/Application.h>
+#include <Base/Console.h>
+#include <Base/Parameter.h>
+#include <Base/Tools.h>
+
 #include <Mod/TechDraw/App/DrawHatch.h>
 #include <Mod/TechDraw/App/DrawGeomHatch.h>
 
@@ -97,13 +102,6 @@ void DlgPrefsTechDrawGeneralImp::loadSettings()
     ui->cbProjAngle->onRestore();
     ui->cbHiddenLineStyle->onRestore(); 
     
-    ui->pfc_DefTemp->setFileName(Preferences::defaultTemplate());
-    ui->pfc_DefDir->setFileName(Preferences::defaultTemplateDir());
-    ui->pfc_HatchFile->setFileName(QString::fromStdString(DrawHatch::prefSvgHatch()));
-    ui->pfc_LineGroup->setFileName(QString::fromUtf8(Preferences::lineGroupFile().c_str()));
-    ui->pfc_Welding->setFileName(PreferencesGui::weldingDirectory());
-    ui->pfc_FilePattern->setFileName(QString::fromStdString(DrawGeomHatch::prefGeomHatchFile()));
-    
     ui->pfc_DefTemp->onRestore();
     ui->pfc_DefDir->onRestore();
     ui->pfc_HatchFile->onRestore();

src/Mod/TechDraw/Gui/PreferencesGui.cpp

@@ -190,6 +190,9 @@ QString PreferencesGui::weldingDirectory()
                                          GetGroup("Preferences")->GetGroup("Mod/TechDraw/Files");
                                     
     std::string symbolDir = hGrp->GetASCII("WeldingDir", defaultDir.c_str());
+    if (symbolDir.empty()) {
+        symbolDir = defaultDir;
+    }
     QString qSymbolDir = QString::fromUtf8(symbolDir.c_str());
     Base::FileInfo fi(symbolDir);
     if (!fi.isReadable()) {