GetLayoutId
Demostrate how to use Layout introspection
main.cpp
#include <CtrlLib/CtrlLib.h>
using namespace Upp;
#define LAYOUTFILE <GetLayoutId/MyApp.lay>
#include <CtrlCore/lay.h>
class MyApp : public WithMyAppLayout<TopWindow> {
public:
typedef MyApp CLASSNAME;
void Load();
void Save();
MyApp();
};
void MyApp::Load()
{
Value v = ParseJSON(LoadFile(ConfigFile("data.json")));
for(Ctrl *q = GetFirstChild(); q; q = q->GetNext())
if(dynamic_cast<EditField *>(q))
*q <<= v[q->GetLayoutId()]; // If missing in JSON, sets Null, which is OK
}
void MyApp::Save()
{
Json json;
for(Ctrl *q = GetFirstChild(); q; q = q->GetNext())
if(dynamic_cast<EditField *>(q)) {
String id = q->GetLayoutId();
if(id.GetCount())
json(id, ~*q);
}
SaveFile(ConfigFile("data.json"), json);
}
MyApp::MyApp()
{
CtrlLayoutOKCancel(*this, "Window title");
}
GUI_APP_MAIN
{
MyApp app;
app.Load();
if(app.Execute() == IDOK)
app.Save();
}
MyApp.lay
LAYOUT(MyAppLayout, 216, 140)
ITEM(Label, dv___0, SetLabel(t_("Name")).LeftPosZ(8, 68).TopPosZ(8, 21))
ITEM(EditString, name, LeftPosZ(80, 128).TopPosZ(8, 19))
ITEM(Label, dv___2, SetLabel(t_("Last Name")).LeftPosZ(8, 68).TopPosZ(32, 21))
ITEM(EditString, lastname, LeftPosZ(80, 128).TopPosZ(32, 19))
ITEM(Label, dv___4, SetLabel(t_("City")).LeftPosZ(8, 68).TopPosZ(56, 21))
ITEM(EditString, city, LeftPosZ(80, 128).TopPosZ(56, 19))
ITEM(Label, dv___6, SetLabel(t_("Street")).LeftPosZ(8, 68).TopPosZ(80, 21))
ITEM(EditString, street, LeftPosZ(80, 128).TopPosZ(80, 19))
ITEM(Button, ok, SetLabel(t_("OK")).HCenterPosZ(64, 0).BottomPosZ(8, 24))
ITEM(Button, cancel, SetLabel(t_("Cancel")).RightPosZ(8, 64).BottomPosZ(8, 24))
END_LAYOUT
GetLayoutId.lay
LAYOUT(GetLayoutIdLayout, 216, 140)
ITEM(Label, dv___0, SetLabel(t_("Name")).LeftPosZ(8, 68).TopPosZ(8, 21))
ITEM(EditString, name, LeftPosZ(80, 128).TopPosZ(8, 19))
ITEM(Label, dv___2, SetLabel(t_("Last Name")).LeftPosZ(8, 68).TopPosZ(32, 21))
ITEM(EditString, lastname, LeftPosZ(80, 128).TopPosZ(32, 19))
ITEM(Label, dv___4, SetLabel(t_("City")).LeftPosZ(8, 68).TopPosZ(56, 21))
ITEM(EditString, city, LeftPosZ(80, 128).TopPosZ(56, 19))
ITEM(Label, dv___6, SetLabel(t_("Street")).LeftPosZ(8, 68).TopPosZ(80, 21))
ITEM(EditString, street, LeftPosZ(80, 128).TopPosZ(80, 19))
ITEM(Button, ok, SetLabel(t_("OK")).HCenterPosZ(64, 0).BottomPosZ(8, 24))
ITEM(Button, cancel, SetLabel(t_("Cancel")).RightPosZ(8, 64).BottomPosZ(8, 24))
END_LAYOUT
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