#include "view_btree_data.h"
+#define NODE_PTR_WIDTH 5
ViewBTreeData::ViewBTreeData (BTreeData *data, Canvas::Group *parent, double x1, double y1, double x2, double y2):
Canvas::Rect (*parent, x1, y1, x2, y2)
this->data = data;
property_fill_color () = "red";
property_outline_color () = "black";
-
- init (parent);
}
void ViewBTreeData::init (Canvas::Group *parent)
double w = property_x2() - property_x1();
double h = property_y2() - property_y1();
- std::string s = *data;
- new Canvas::Text (*parent, property_x1()+w/2, h/2, s);
+ Canvas::Rect *ptr = new Canvas::Rect (*parent, property_x1()+w-NODE_PTR_WIDTH, h-NODE_PTR_WIDTH, property_x1()+w-1, h-1);
+ ptr->property_fill_color () = "green";
+ ptr->property_outline_color () = "black";
}
bool ViewBTreeData::on_event (GdkEvent *p1)
{
switch (p1->type) {
case GDK_BUTTON_PRESS:
- m_signal_clicked(data);
+ SetSelected (true);
+ break;
+ case GDK_2BUTTON_PRESS:
+ m_signal_double_clicked (data, this);
}
return Canvas::Rect::on_event (p1);
return m_signal_clicked;
}
+ViewBTreeData::type_signal_double_clicked ViewBTreeData::signal_double_clicked ()
+{
+ return m_signal_double_clicked;
+}
+
+
ViewBTreeData*
ViewBTreeData::Create (BTreeData *data, Canvas::Group *parent, double x1, double y1, double x2, double y2)
{
+ ViewBTreeData *ret;
if (dynamic_cast<BTreeChildData *>(data))
- return new ViewBTreeChildData (data, parent, x1, y1, x2, y2);
-
- return new ViewBTreeData (data, parent, x1, y1, x2, y2);
+ ret = new ViewBTreeChildData (data, parent, x1, y1, x2, y2);
+ else
+ ret = new ViewBTreeData (data, parent, x1, y1, x2, y2);
+ ret->init (parent);
+ return ret;
}
ViewBTreeChildData::ViewBTreeChildData (BTreeData *data, Canvas::Group *parent, double x1, double y1, double x2, double y2):
void ViewBTreeChildData::init (Canvas::Group *parent)
{
- property_fill_color () = "yellow";
property_outline_color () = "black";
+}
- double w = property_x2() - property_x1();
- double h = property_y2() - property_y1();
+void ViewBTreeData::SetSelected (bool b)
+{
+ if (b) {
+ property_fill_color () = "yellow";
+ m_signal_clicked(data, this);
+ } else {
+ property_fill_color () = "red";
+ }
+}
+
+bool ViewBTreeData::operator == (Clave &k) const
+{
+ if (!data->GetKey ()) return false;
- std::string s = *data;
- Canvas::Text *text = new Canvas::Text (*parent, property_x1()+w/2, h/2, s);
+ return (*(data->GetKey ())) == k;
}