Initial revision

1 files changed, 87 insertions, 0 deletions

diff --git a/src/form.hh b/src/form.hh
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+++ b/src/form.hh
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+#ifndef __FORM_HH__
+#define __FORM_HH__
+
+#include "dw/core.hh"
+#include "dw/ui.hh"
+
+namespace form {
+
+/**
+ * \brief Handles HTML form data.
+ *
+ * Add resources by calling the respective add...Resource method. Furtermore,
+ * this class impelements dw::core::ui::ButtonResource::ClickedReceiver, the
+ * form data is printed to stdout, when the "clicked" signal is received.
+ */
+class Form: public dw::core::ui::ButtonResource::ClickedReceiver
+{
+private:
+   /**
+    * \brief Decorates instances of dw::core::ui::Resource.
+    *
+    * This is the abstract base class, sub classes have to be defined to
+    * decorate specific sub interfaces of dw::core::ui::Resource.
+    */
+   class ResourceDecorator: public object::Object
+   {
+   private:
+      const char *name;
+
+   protected:
+      ResourceDecorator (const char *name);
+      ~ResourceDecorator ();
+
+   public:
+      inline const char *getName () { return name; }
+      virtual const char *getValue () = 0;
+   };
+
+   /**
+    * \brief Decorates instances of dw::core::ui::TextResource.
+    */
+   class TextResourceDecorator: public ResourceDecorator
+   {
+   private:
+      dw::core::ui::TextResource *resource;
+
+   public:
+      TextResourceDecorator (const char *name,
+                            dw::core::ui::TextResource *resource);
+      const char *getValue ();
+   };
+
+   /**
+    * \brief Decorates instances of dw::core::ui::RadioButtonResource.
+    *
+    * This class has to be instanciated only once for a group of radio
+    * buttons.
+    */
+   class RadioButtonResourceDecorator: public ResourceDecorator
+   {
+   private:
+      dw::core::ui::RadioButtonResource *resource;
+      const char **values;
+
+   public:
+      RadioButtonResourceDecorator (const char *name,
+                                   dw::core::ui::RadioButtonResource
+                                   *resource,
+                                   const char **values);
+      ~RadioButtonResourceDecorator ();
+      const char *getValue ();
+   };
+
+   container::typed::List <ResourceDecorator> *resources;
+
+   void *ext_data;  // external data pointer
+
+public:
+   Form (void *p);
+   ~Form ();
+   void clicked (dw::core::ui::ButtonResource *resource, int buttonNo);
+
+};
+
+} // namespace form
+
+#endif // __FORM_HH__