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/*
$Id: treeview_node.cpp,v 1.10 2002/01/16 19:43:06 sphair Exp $
ClanGUI, copyrights by various people. Have a look in the CREDITS file.
This sourcecode is distributed using the Library GNU Public Licence,
version 2 or (at your option) any later version. Please read LICENSE
for details.
*/
#include "precomp.h"
#include "API/GUI/treeview.h"
#include "API/GUI/treeview_item.h"
#include "API/GUI/treeview_node.h"
#include "API/Display/Display/display.h"
/////////////////////////////////////////////////////////////////////////////
// Construction:
CL_TreeView_Node::CL_TreeView_Node(CL_TreeView *root)
{
rootTree = root;
component = NULL;
delete_component = false;
collapsed = false;
selected = false;
userdata = NULL;
}
CL_TreeView_Node::~CL_TreeView_Node()
{
clear();
}
/////////////////////////////////////////////////////////////////////////////
// Attributes:
void *CL_TreeView_Node::get_userdata() const
{
return userdata;
}
/////////////////////////////////////////////////////////////////////////////
// Operations:
CL_TreeView_Node *CL_TreeView_Node::insert_item(const std::string &text, int index)
{
CL_Component *new_component = new CL_TreeView_Item(text, rootTree->get_client_area());
CL_TreeView_Node *node = new CL_TreeView_Node(rootTree);
node->component = new_component;
node->delete_component = true;
children.push_back(node);
slots.connect(new_component->sig_mouse_up(), node, &CL_TreeView_Node::on_child_click);
return node;
}
CL_TreeView_Node *CL_TreeView_Node::insert_item(CL_Component *new_component, int index)
{
rootTree->get_client_area()->add_child(new_component);
CL_TreeView_Node *node = new CL_TreeView_Node(rootTree);
node->component = new_component;
children.push_back(node);
slots.connect(new_component->sig_mouse_up(), node, &CL_TreeView_Node::on_child_click);
return node;
}
void CL_TreeView_Node::draw_nodes(CL_Point &point)
{
std::list<CL_TreeView_Node *>::iterator it;
for (it = children.begin(); it != children.end(); ++it)
(*it)->draw_node(point);
}
void CL_TreeView_Node::draw_node(CL_Point &point)
{
// Size and place child component
component->set_position(point.x + 12, point.y);
int height = component->get_height();
int mid = (height) / 2;
// Draw collapse box
if(!children.empty())
{
// Box
CL_Display::draw_rect(point.x, point.y + mid - 5, point.x + 9, point.y + mid + 4, 0.0f, 0.0f, 0.0f);
// Horizontal line
CL_Display::draw_line(point.x + 2, point.y + mid - 1, point.x + 6, point.y + mid - 1, 0.0f, 0.0f, 0.0f);
// Vertical line
if(collapsed)
CL_Display::draw_line(point.x + 4, point.y + mid - 3, point.x + 4, point.y + mid + 1, 0.0f, 0.0f, 0.0f);
}
// Draw component
CL_Display::push_translate_offset(point.x + 12, point.y);
component->sig_paint()();
if(selected)
CL_Display::fill_rect(0, 0, component->get_width(), component->get_height(), 0.5f, 0.5f, 1.0f, 0.3f);
CL_Display::pop_translate_offset();
// Move down for next component
point.y += height;
// Draw children
if(collapsed == false)
{
point.x += 15;
draw_nodes(point);
point.x -= 15;
}
}
void CL_TreeView_Node::set_selected(bool select)
{
selected = select;
}
void CL_TreeView_Node::set_selected(CL_TreeView_Node *node, bool select)
{
node->set_selected(select);
}
void CL_TreeView_Node::clear_selection()
{
set_selected(false);
std::list<CL_TreeView_Node *>::iterator it;
for (it = children.begin(); it != children.end(); ++it)
(*it)->clear_selection();
}
void CL_TreeView_Node::clear()
{
std::list<CL_TreeView_Node *>::iterator it;
for (it = children.begin(); it != children.end(); ++it)
delete (*it);
children.clear();
if(component && delete_component)
delete component;
}
void CL_TreeView_Node::set_userdata(void *data)
{
userdata = data;
}
/////////////////////////////////////////////////////////////////////////////
// Callbacks:
void CL_TreeView_Node::on_child_click(const CL_Key &key)
{
collapsed = !collapsed;
rootTree->sig_selection_changed()(*this);
}
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