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// This file is part of fityk program. Copyright 2001-2014 Marcin Wojdyr
// Licence: GNU General Public License ver. 2+
#include "recent.h"
using std::list;
using std::string;
static const int MAX_NUMBER_OF_ITEMS = 15;
static const char* MAGIC_SEP = " ";
void RecentFiles::load_from_config(wxConfigBase *c)
{
items_.clear();
if (menu_ != NULL)
delete menu_;
menu_ = new wxMenu;
if (c && c->HasGroup(config_group_)) {
// gaps shouldn't happend in the config file, but just in case...
int counter = 0;
for (int i = 0; i < MAX_NUMBER_OF_ITEMS; i++) {
wxString key = wxString::Format("%s/%i", config_group_, i);
if (c->HasEntry(key)) {
wxString value = c->Read(key, wxT(""));
if (value.empty()) // it should not normally happen
continue;
int id = first_item_id_ + counter;
++counter;
wxString opt;
string::size_type sep = value.find(MAGIC_SEP);
if (sep != string::npos) {
opt = value.substr(sep+3);
value.resize(sep);
}
wxFileName fn(value);
Item item = { id, fn, opt };
items_.push_back(item);
wxString hint = fn.GetFullPath();
if (!opt.empty())
hint += " " + opt;
menu_->Append(id, fn.GetFullName(), hint);
}
}
}
}
void RecentFiles::save_to_config(wxConfigBase *c)
{
if (!c)
return;
if (c->HasGroup(config_group_))
c->DeleteGroup(config_group_);
int counter = 0;
for (list<Item>::const_iterator i = items_.begin(); i != items_.end(); ++i){
wxString key = wxString::Format("%s/%i", config_group_, counter);
counter++;
wxString value = i->fn.GetFullPath();
if (!i->options.empty())
value += MAGIC_SEP + i->options;
c->Write(key, value);
}
}
void RecentFiles::add(const wxString& path, const wxString& options)
{
assert(menu_ != NULL);
const wxFileName fn = wxFileName(path);
// avoid duplicates
for (list<Item>::iterator it = items_.begin(); it != items_.end(); ++it) {
if (it->fn == fn && it->options == options) {
pull(it->id);
return;
}
}
int id;
if (items_.size() < (size_t) MAX_NUMBER_OF_ITEMS) {
id = first_item_id_ + items_.size();
} else {
id = items_.back().id;
items_.pop_back();
menu_->Destroy(id);
}
Item item = { id, fn, options };
items_.push_front(item);
wxString hint = fn.GetFullPath();
if (!options.empty())
hint += " " + options;
menu_->Prepend(id, fn.GetFullName(), hint);
}
const RecentFiles::Item& RecentFiles::pull(int id)
{
for (list<Item>::iterator it = items_.begin(); it != items_.end(); ++it) {
if (it->id == id) {
if (it != items_.begin()) {
items_.push_front(*it); // it does not invalidate iterator
items_.erase(it);
menu_->Prepend(menu_->Remove(id));
}
break;
}
}
return items_.front();
}
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