From 60982deac8747c0572be62e1de56139a5cd581df Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 13 Jul 2005 18:05:00 +0000
Subject: [PATCH] added test for wxXmlResource::Unload()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@34840 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 samples/xrc/myframe.cpp | 25 ++++++++++++++++++++++---
 samples/xrc/myframe.h   |  2 ++
 samples/xrc/rc/menu.xrc |  8 ++++++++
 3 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/samples/xrc/myframe.cpp b/samples/xrc/myframe.cpp
index a12311059e..fc8a812c68 100644
--- a/samples/xrc/myframe.cpp
+++ b/samples/xrc/myframe.cpp
@@ -82,6 +82,9 @@
 // ID name to help new users emphasize this point which is often overlooked
 // when starting out with wxWidgets.
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+    EVT_MENU(XRCID("unload_resource_menuitem"), MyFrame::OnUnloadResourceMenuCommand)
+    EVT_MENU(XRCID("reload_resource_menuitem"), MyFrame::OnReloadResourceMenuCommand)
+    EVT_MENU(XRCID("exit_tool_or_menuitem"),  MyFrame::OnExitToolOrMenuCommand)
     EVT_MENU(XRCID("exit_tool_or_menuitem"),  MyFrame::OnExitToolOrMenuCommand)
     EVT_MENU(XRCID("non_derived_dialog_tool_or_menuitem"), MyFrame::OnNonDerivedDialogToolOrMenuCommand)
     EVT_MENU(XRCID("derived_tool_or_menuitem"), MyFrame::OnDerivedDialogToolOrMenuCommand)
@@ -136,6 +139,23 @@ MyFrame::MyFrame(wxWindow* parent)
 // Private methods
 //-----------------------------------------------------------------------------
 
+void MyFrame::OnUnloadResourceMenuCommand(wxCommandEvent& WXUNUSED(event))
+{
+    if ( wxXmlResource::Get()->Unload(wxT("rc/basicdlg.xrc")) )
+        wxLogMessage(_T("Basic dialog resource has now been unloaded, you ")
+                     _T("won't be able to use it before loading it again"));
+    else
+        wxLogWarning(_T("Failed to unload basic dialog resource"));
+}
+
+void MyFrame::OnReloadResourceMenuCommand(wxCommandEvent& WXUNUSED(event))
+{
+    if ( wxXmlResource::Get()->Load(wxT("rc/basicdlg.xrc")) )
+        wxLogStatus(_T("Basic dialog resource has been loaded."));
+    else
+        wxLogError(_T("Failed to load basic dialog resource"));
+}
+
 void MyFrame::OnExitToolOrMenuCommand(wxCommandEvent& WXUNUSED(event))
 {
     // true is to force the frame to close.
@@ -148,9 +168,8 @@ void MyFrame::OnNonDerivedDialogToolOrMenuCommand(wxCommandEvent& WXUNUSED(event
     wxDialog dlg;
     // "non_derived_dialog" is the name of the wxDialog XRC node that should
     // be loaded.
-    wxXmlResource::Get()->LoadDialog(&dlg, this, wxT("non_derived_dialog"));
-    dlg.ShowModal();
-
+    if ( wxXmlResource::Get()->LoadDialog(&dlg, this, wxT("non_derived_dialog")) )
+        dlg.ShowModal();
 }
 
 
diff --git a/samples/xrc/myframe.h b/samples/xrc/myframe.h
index eb5b2540e0..3a144d44f6 100644
--- a/samples/xrc/myframe.h
+++ b/samples/xrc/myframe.h
@@ -44,6 +44,8 @@ public:
 private:
 
     // Event handlers (these functions should _not_ be virtual)
+    void OnUnloadResourceMenuCommand(wxCommandEvent& event);
+    void OnReloadResourceMenuCommand(wxCommandEvent& event);
     void OnExitToolOrMenuCommand(wxCommandEvent& event);
     void OnAboutToolOrMenuCommand(wxCommandEvent& event);
     void OnNonDerivedDialogToolOrMenuCommand(wxCommandEvent& event);
diff --git a/samples/xrc/rc/menu.xrc b/samples/xrc/rc/menu.xrc
index 1257cc72a0..bc8ecc0e89 100644
--- a/samples/xrc/rc/menu.xrc
+++ b/samples/xrc/rc/menu.xrc
@@ -7,6 +7,14 @@
     <object class="wxMenu" name="file_tool_or_menuitem">
         <label>_File</label>
         <style>wxMENU_TEAROFF</style>
+        <object class="wxMenuItem" name="unload_resource_menuitem">
+            <label>_Unload resource\tCtrl-U</label>
+            <help>Unload basic dialog resource</help>
+        </object>
+        <object class="wxMenuItem" name="reload_resource_menuitem">
+            <label>_Reload resource\tCtrl-R</label>
+            <help>Reload basic dialog resource</help>
+        </object>
         <object class="wxMenuItem" name="exit_tool_or_menuitem">
             <label>E_xit\tAlt-X</label>
             <help>Exit this application</help>
-- 
2.45.2