Gabriele Cosmo
318 lines
7.9 KiB
Plaintext
318 lines
7.9 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_sg_group
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#define tools_sg_group
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//#define TOOLS_SG_GROUP_DEBUG
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#include "node"
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#include "pick_action"
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#include "event_action"
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#ifdef TOOLS_SG_GROUP_DEBUG
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#include "render_action"
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#endif
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namespace tools {
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namespace sg {
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class group : public node {
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TOOLS_NODE(group,tools::sg::group,node)
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public:
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virtual void render(render_action& a_action) {
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#ifdef TOOLS_SG_GROUP_DEBUG
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std::ostream& out = a_action.out();
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tools_vforcit(node*,m_children,it) {
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out << "debug : tools::sg::group::render : children : " << (*it)->s_cls() << " begin : " << std::endl;
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(*it)->render(a_action);
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out << "debug : tools::sg::group::render : children : " << (*it)->s_cls() << " end," << std::endl;
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}
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#else
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tools_vforcit(node*,m_children,it) (*it)->render(a_action);
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#endif
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}
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virtual void pick(pick_action& a_action) {
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tools_vforcit(node*,m_children,it) {
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(*it)->pick(a_action);
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if(a_action.done()) break;
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}
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}
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virtual void bbox(bbox_action& a_action) {
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tools_vforcit(node*,m_children,it) (*it)->bbox(a_action);
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}
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virtual void event(event_action& a_action) {
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tools_vforcit(node*,m_children,it) {
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(*it)->event(a_action);
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if(a_action.done()) break;
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}
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}
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virtual void search(search_action& a_action) {
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if(a_action.do_path()) a_action.path_push(this);
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tools_vforcit(node*,m_children,it) {
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(*it)->search(a_action);
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if(a_action.done()) return;
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}
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if(a_action.do_path()) a_action.path_pop();
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}
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virtual void get_matrix(get_matrix_action& a_action) {
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tools_vforcit(node*,m_children,it) {
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(*it)->get_matrix(a_action);
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if(a_action.done()) return;
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}
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}
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virtual bool write(write_action& a_action) {
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if(!a_action.beg_node(*this)) return false;
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if(!write_fields(a_action)) return false;
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if(!write_children(a_action)) return false;
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if(!a_action.end_node(*this)) return false;
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return true;
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}
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virtual void is_visible(visible_action& a_action) {
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tools_vforcit(node*,m_children,it) {
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(*it)->is_visible(a_action);
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}
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}
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public:
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group():node(){}
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virtual ~group(){clear();}
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public:
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group(const group& a_from)
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:node(a_from)
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{
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tools_vforcit(node*,a_from.m_children,it) m_children.push_back((*it)->copy());
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}
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group& operator=(const group& a_from){
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node::operator=(a_from);
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if(&a_from==this) return *this;
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clear();
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tools_vforcit(node*,a_from.m_children,it) m_children.push_back((*it)->copy());
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return *this;
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}
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public:
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void add(node* a_node) {
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//WARNING : take ownership of a_node.
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m_children.push_back(a_node);
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}
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void add_front(node* a_node) {
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//WARNING : take ownership of a_node.
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m_children.insert(m_children.begin(),a_node);
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}
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void set(unsigned int a_index,node* a_node) {
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//WARNING : take ownership of a_node.
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//WARNING : no check is done on a_index.
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m_children[a_index] = a_node;
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}
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bool replace(const node* a_from,node* a_to,bool a_del){
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tools_vforit(node*,m_children,it) {
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if((*it)==a_from) {
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node* old = *it;
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(*it) = a_to;
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if(a_del) delete old;
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return true;
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}
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}
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return false;
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}
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void swap(unsigned int a_1,unsigned int a_2){
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// WARNING : no check is done on a_1,a_2.
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node* tmp = m_children[a_1];
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m_children[a_1] = m_children[a_2];
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m_children[a_2] = tmp;
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}
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template <class T>
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T* search() const {
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tools_vforcit(node*,m_children,it) {
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T* o = safe_cast<node,T>(*(*it));
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if(o) return o;
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}
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return 0;
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}
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/*
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template <class T>
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T* rsearch_from(const node* a_node) const {
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bool found = false;
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tools_vforcrit(node*,m_children,it) {
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// the below logic permits to test a_node.
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if(!found) {if(*it==a_node) found = true;}
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if(found) {
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T* o = safe_cast<node,T>(*(*it));
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if(o) return o;
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}
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}
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return 0;
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}
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*/
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void* rsearch_from(const node* a_node,
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const std::string& a_class,
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bool a_inc_a_node = true) const {
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bool found = false;
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tools_vforcrit(node*,m_children,it) {
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// the below logic permits to test a_node.
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if(!found) {
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if(*it==a_node) {
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found = true;
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if(!a_inc_a_node) continue; //skip a_node
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}
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}
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if(found) {
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void* p = (*it)->cast(a_class);
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if(p) return p;
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}
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}
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return 0;
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}
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bool remove(const node* a_node){
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//NOTE : no delete on a_node is performed.
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tools_vforit(node*,m_children,it) {
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if(a_node==(*it)) {
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m_children.erase(it);
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return true;
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}
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}
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return false;
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}
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bool remove_index(unsigned int a_index){
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//NOTE : no delete on node at a_index is performed.
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std::vector<node*>::iterator it = m_children.begin();
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it += a_index;
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if(it>=m_children.end()) return false;
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m_children.erase(it);
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return true;
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}
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bool delete_from(const node* a_node,bool a_inc_a_node = true){
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bool found = false;
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std::vector<node*>::iterator it;
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for(it=m_children.begin();it!=m_children.end();) {
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if(!found) {
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if(*it==a_node) {
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found = true;
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if(!a_inc_a_node) {it++;continue;} //skip a_node
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}
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}
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if(found) {
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node* old = *it;
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it = m_children.erase(it);
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delete old;
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} else {
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it++;
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}
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}
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return found;
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}
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void transfer(group& a_from) {
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if(&a_from==this) return;
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clear();
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m_children.resize(a_from.size());
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std::vector<node*>::iterator it = m_children.begin();
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std::vector<node*>::iterator fit = a_from.m_children.begin();
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for(;fit!=a_from.m_children.end();++it,++fit) {
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*it = *fit;
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*fit = 0;
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}
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a_from.m_children.clear();
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}
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void transfer(std::vector<node*>& a_to) {
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a_to = m_children;
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m_children.clear();
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//touch();
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}
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void clear() {tools::clear<node>(m_children);}
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void raw_clear(){ //used for sg coming from exlib/rroot/vis_volume.
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tools::raw_clear<node>(m_children);
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}
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size_t size() const {return m_children.size();}
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bool empty() const {return m_children.size()?false:true;}
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node* operator[](size_t a_index) const{
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//WARNING : no check is done on a_index.
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return m_children[a_index];
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}
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const std::vector<node*>& children() const {return m_children;}
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std::vector<node*>& children() {return m_children;}
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bool insert(unsigned int a_index,node* a_new){ //iv2sg
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if(a_index==m_children.size()) {
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m_children.push_back(a_new);
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return true;
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}
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unsigned int index = 0;
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std::vector<node*>::iterator it;
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for(it=m_children.begin();it!=m_children.end();++it,index++) {
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if(index==a_index) {
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m_children.insert(it,a_new);
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return true;
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}
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}
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return false;
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}
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/*
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bool insert(const node* a_from,node* a_new){
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tools_vforit(node*,m_children,it) {
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if((*it)==a_from) {
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m_children.insert(it,a_new);
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return true;
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}
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}
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return false;
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}
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*/
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template <class T>
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T* rsearch() const { //used in agora.
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tools_vforcrit(node*,m_children,it) {
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T* o = safe_cast<node,T>(*(*it));
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if(o) return o;
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}
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return 0;
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}
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bool position(const node* a_node,unsigned int& a_index) const {
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a_index = 0;
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tools_vforcit(node*,m_children,it) {
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if(a_node==(*it)) return true;
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a_index++;
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}
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return false;
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}
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node* node_at(unsigned int a_index) const {
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if(a_index>=m_children.size()) return 0;
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return m_children[a_index];
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}
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template <class T>
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T* child(unsigned int a_index) const {
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if(a_index>=m_children.size()) return 0;
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node* _node = m_children[a_index];
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if(!_node) return 0;
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return safe_cast<node,T>(*_node);
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}
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protected:
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bool write_children(write_action& a_action) {
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tools_vforcit(node*,m_children,it) {
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if(!(*it)->write(a_action)) return false;
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}
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return true;
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}
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protected:
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std::vector<node*> m_children;
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};
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}}
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#endif
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