Playlist.cpp

#include "Playlist.h"
#include <ostream>
#include <sstream>
#include <string>

using std::ostream;
using std::string;
using std::stringstream;

Playlist::Playlist() {printstrchanged = changed = true;}

Playlist::Playlist(const string& n) : name(n) {printstrchanged = changed = true;}

Playlist::Playlist(const string& n, const Playlist& b) :
	name(n), items(b.items) {
	printstrchanged = true;
}

Playlist::Playlist(const string& n, Show& s) :
	name(n) {
	add(s);
}

void Playlist::add(Show& s) {
	items.push_back(s);
	printstrchanged = changed = true;
}

void Playlist::add(Show& s, size_t pos) {
	if(pos < items.size())
		items.insert(items.begin()+pos, s);
	else
		add(s);
	printstrchanged = changed = true;
}

auto Playlist::begin() -> decltype(items.end()) {
	return items.begin();
}

void Playlist::change() {
	printstrchanged = changed = true;
}

void Playlist::deleteselection(decltype(items.begin()) s) {
  if (!items.empty()) {
    items.erase(s);
  }
}

auto Playlist::end() -> decltype(items.end()) {
	return items.end();
}

auto Playlist::first() -> decltype(items.end()) {
	unsigned int watched = begin()->getwatched();
	for(auto i = begin(); i < end(); ++i)
		if(i->getwatched() < watched)
			return i;
	return begin();
}

const std::string& Playlist::getname() const {
	return name;
}

const std::string& Playlist::getoldname() const {
	return old_name;
}

bool Playlist::haschanged() {
	return changed;
}

unsigned int Playlist::played() {
	unsigned int ret = 0;
	if(printstrchanged) {
#if __GNUC__ <= 4 && __GNUC_MINOR__ < 6
		size_t size = items.size();
		for(size_t i = 0; i < size; ++i)
			if(items[i].getwatched())
				++ret;
#else
		for(Show &s: items) {
			if(s.getwatched())
				++ret;
		}
#endif
	}
	return ret;
}

bool Playlist::operator< (const Playlist& o) const {
	return getname() < o.getname();
}

string Playlist::print() {
	stringstream out;
	if(printstrchanged) {
		out << '[' << played() << '/' << items.size() << "]";
		// Make all the playlist names line up, assumes max # items 999
		auto len = out.str().length();
		int dif = 10 - len;

		for(;dif;--dif)
			out << ' ';
		out << '\t' << name;

		printstr = out.str();
		printstrchanged = false;
	}

	return printstr;
}

string Playlist::print(size_t pos) {
	if(pos >= 0 && pos < items.size()) {
		stringstream out;
		out << pos << ": " << items[pos].print();
		return out.str();
	}
	return "";
}
		
void Playlist::printdetail(ostream& o) {
	size_t played = 0;
	o << played << ' ' << items.size() << ' ' << name;
}

void Playlist::remove(size_t pos) {
	if(pos < items.size())
		items.erase(items.begin()+pos);
}

const size_t Playlist::size() {
	return items.size();
}