X-Git-Url: https://git.llucax.com/z.facultad/75.52/treemulator.git/blobdiff_plain/3d105729f2a5cd73307e6431a17c21a2c37de459..24f882b98f421e1d65f4fa46cda094f2ac2a34cd:/viewer/view_btree.cpp diff --git a/viewer/view_btree.cpp b/viewer/view_btree.cpp index a73f396..d8bc219 100644 --- a/viewer/view_btree.cpp +++ b/viewer/view_btree.cpp @@ -1,6 +1,9 @@ #include "view_btree.h" #include "view_btree_data.h" +#include + +double ViewBTree::byte_to_pixels = 0; ViewBTree::ViewBTree (Canvas::Group *parent, std::string filename):Canvas::Group (*parent, 0, 0), BTree (filename, 64) @@ -14,9 +17,6 @@ ViewBTree::ViewBTree (Canvas::Group *parent, std::string filename):Canvas::Group AddKey (c); } - Canvas::Rect *rect = new Canvas::Rect (*this, 0, 0, NODE_WIDTH, NODE_HEIGHT); - rect->property_fill_color() = "gray"; - byte_to_pixels = NODE_WIDTH/64; // TODO : 64 == BlockSize AddNode (0); @@ -24,6 +24,12 @@ ViewBTree::ViewBTree (Canvas::Group *parent, std::string filename):Canvas::Group void ViewBTree::AddNode (uint num) { + if (node_placed[num]) { + std::cout << "WARNING : Tratando de agregar de nuevo el nodo " << num << std::endl; + return; + } + + node_placed[num] = true; /* Muestro la raiz */ double y = 0; uchar *node = ReadBlock (num); @@ -39,45 +45,40 @@ void ViewBTree::AddNode (uint num) std::list keys = ReadKeys (node, node_h); - double header_w = byte_to_pixels * sizeof (BTreeNodeHeader); - double x = 0; - - Canvas::Rect *view_header = new Canvas::Rect (*this, x, y, x+header_w, y+NODE_HEIGHT); - view_header->property_fill_color() = "blue"; - - /* Numero de nodo */ - std::string node_num; - std::stringstream ss; - ss << num; - ss >> node_num; - new Canvas::Text (*this, header_w/2, y+NODE_HEIGHT/2, node_num); - - x += header_w; - - /* Cuento los hijos para saber como centrarlos más adelante */ - std::list hijos; - - std::list::iterator it = keys.begin (); - while (it != keys.end ()) { - BTreeData *data = (*it); - double w = byte_to_pixels * data->Size (); - - ViewBTreeData *v = ViewBTreeData::Create (data, this, x, y, w+x, y+NODE_HEIGHT); - - x += w; - it++; - - if (dynamic_cast(data)) { - BTreeChildData *child = dynamic_cast(data); - hijos.push_back (child->getChild ()); + ViewNode *vnode = new ViewNode (this, num, node_h, keys); + vnode->property_y () = y; + vnode->property_x () = pos_x[node_h.level]; + pos_x[node_h.level] += NODE_WIDTH+10; + vnode->signal_selected().connect ( sigc::mem_fun (*this, &ViewBTree::on_item_selected) ); + + std::list childs = vnode->getChilds (); + std::list::iterator hit = childs.begin (); + while (hit != childs.end ()) { + if ((*hit) == 0) { + std::cout << "WARNING : Referencia a 0 encontrada!!" << std::endl; + hit = childs.end (); + continue; } - } - - - std::list::iterator hit = hijos.begin (); - while (hit != hijos.end ()) { AddNode (*hit); hit++; } } +void ViewBTree::on_item_selected (BTreeData *data, uint num) +{ + BTreeNodeHeader node_h; + uchar *node; + + node = ReadBlock (num); + ReadNodoHeader (node, &node_h); + delete [] node; + + std::cout << "Emit SignalSelected" << std::endl; + m_signal_selected (data, node_h); +} + +ViewBTree::type_signal_selected ViewBTree::signal_selected () +{ + return m_signal_selected; +} +