export data flag, fix android create dir

android/src/cpp/main.cpp

@@ -376,6 +376,7 @@ bool android_set_clipboard(const std::string& s)
 
 bool android_create_dir(const std::string& path)
 {
+    android_attach_jni();
     jclass clazz = jni->GetObjectClass(g_engine.app->activity->clazz);
     jmethodID method = jni->GetMethodID(clazz, "createDir", "(Ljava/lang/String;)Z");
     jstring js = JniStringFromUTF8(path);

data/layout.xml

@@ -59,28 +59,30 @@
                 <button id="header-open" text="Open" grow="1" height="100%"/>
                 <button id="header-clear" text="Clear" grow="1" height="100%"/>
               </node>
-              <border color=".4" grow="1" pad="5" margin="10 0 0 0" justify="center">
+              <border os="win,mac,android" color=".4" grow="1" pad="5" margin="10 0 0 0" justify="center">
                 <node dir="row" align="center">
                   <checkbox id="export-data" width="30" aspect-ratio="1" margin="0 5 0 0"/>
                   <text text="Export data"/>
+                  <node grow="1"/>
+                  <button os="mac" id="pick-dest" text="Pick dest." pad="5"/>
                 </node>
-                <text color=".7" text-wrap-width="256" text="Note: exports the data into..."/>
+                <text color=".7" text-wrap-width="256" text="Save the generated preview images to a separete folder."/>
               </border>
             </node>
             <node grow="1" dir="col">
-              <node dir="row" height="30" align="center" grow="1" margin="0 0 4 0">
+              <node dir="row" height="30" align="center" margin="0 0 4 0">
                 <text text="Author" margin="0 5 0 0"/>
                 <text-input id="info-author" pad="5" grow="1" height="30" color=".3"/>
               </node>
-              <node dir="row" height="30" align="center" grow="1" margin="0 0 4 0">
+              <node dir="row" height="30" align="center" margin="0 0 4 0">
                 <text text="Email" margin="0 5 0 0"/>
                 <text-input id="info-email" pad="5" grow="1" height="30" color=".3"/>
               </node>
-              <node dir="row" height="30" align="center" grow="1" margin="0 0 4 0">
+              <node dir="row" height="30" align="center" margin="0 0 4 0">
                 <text text="URL" margin="0 5 0 0"/>
                 <text-input id="info-url" pad="5" grow="1" height="30" color=".3"/>
               </node>
-              <node dir="row" height="80" align="center" grow="2">
+              <node dir="row" grow="1">
                 <text text="Description" margin="0 5 0 0"/>
                 <text-input id="info-descr" text-vertical-align="top" pad="5" grow="1" height="100%" color=".3" multiline="1"/>
               </node>

src/app_dialogs.cpp

@@ -615,6 +615,7 @@ void App::dialog_ppbr_export()
         info.email = dialog->txt_email->m_text;
         info.descr = dialog->txt_descr->m_text;
         info.header_image = dialog->m_header_image;
+        info.export_data = dialog->export_check->checked;
 #if __IOS__
         App::I->pick_file_save("ppbr",
             [this, dialog, info] (std::string path) {

src/node_dialog_export_ppbr.cpp

@@ -53,6 +53,7 @@ void NodeDialogExportPPBR::init_controls()
     txt_email = find<NodeTextInput>("info-email");
     txt_url = find<NodeTextInput>("info-url");
     txt_descr = find<NodeTextInput>("info-descr");
+    export_check = find<NodeCheckBox>("export-data");
 }
 
 void NodeDialogExportPPBR::open_header()

src/node_dialog_export_ppbr.h

@@ -5,6 +5,7 @@
 #include "node_text.h"
 #include "node_text_input.h"
 #include "node_image_texture.h"
+#include "node_checkbox.h"
 
 class NodeDialogExportPPBR : public NodeBorder
 {
@@ -22,6 +23,7 @@ public:
     NodeTextInput* txt_descr;
     NodeTextInput* txt_url;
     NodeTextInput* txt_email;
+    NodeCheckBox* export_check;
     virtual Node* clone_instantiate() const override;
     virtual void clone_finalize(Node* dest) const override;
     virtual void init() override;

src/node_panel_brush.cpp

@@ -686,7 +686,9 @@ void NodePanelBrushPreset::add_brush(std::shared_ptr<Brush> brush)
 
 bool NodePanelBrushPreset::export_ppbr(const std::string& path, const PPBRInfo& info_data)
 {
-    std::regex r(R"((.*)[\\/]([^\\/]+)\.(\w+)$)");
+    LOG("export ppbr to: %s", path.c_str());
+
+    std::regex r(R"((.*)[\\/]([^\\/]+)(\.\w+)?$)");
     std::smatch m;
     if (!std::regex_search(path, m, r))
         return false;
@@ -695,7 +697,7 @@ bool NodePanelBrushPreset::export_ppbr(const std::string& path, const PPBRInfo&
     auto ext = m[3].str();
     std::string out_path = base + "/" + name + "_data";
 
-    bool path_created = Asset::create_dir(out_path);
+    bool path_created = info_data.export_data ? Asset::create_dir(out_path) : false;
     
     std::ofstream f(path, std::ios::binary);
     if (f.good())
@@ -805,6 +807,7 @@ bool NodePanelBrushPreset::export_ppbr(const std::string& path, const PPBRInfo&
         
         return true;
     }
+    LOG("export failed file creation");
     return false;
 }
 

src/node_panel_brush.h

@@ -95,6 +95,7 @@ public:
         std::string url;
         std::string descr;
         std::shared_ptr<Image> header_image;
+        bool export_data;
     };
 
     Node* m_container;

src/util.cpp

@@ -579,8 +579,7 @@ std::wstring str2wstr(const std::string& str)
     //return converted;
     if (str.empty())
         return {};
-    using convert_typeX = std::codecvt_utf8<wchar_t>;
+    std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converterX;
-    std::wstring_convert<convert_typeX, wchar_t> converterX;
     return converterX.from_bytes(str);
 }
 
@@ -594,8 +593,7 @@ std::string wstr2str(const std::wstring & wstr)
     //return converted;
     if (wstr.empty())
         return {};
-    using convert_typeX = std::codecvt_utf8<wchar_t>;
+    std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converterX;
-    std::wstring_convert<convert_typeX, wchar_t> converterX;
     return converterX.to_bytes(wstr);
 }