view base/Command.cpp @ 363:0e30c8ec15a0

* Add wave file model method for reading more than one channel at once,
  avoiding ludicrously expensive backward seeks and double-reads when
  playing multi-channel files or using them as inputs to feature extraction
  plugins

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 Chris Cannam.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#include "Command.h"

MacroCommand::MacroCommand(QString name) :
    m_name(name)
{
}

MacroCommand::~MacroCommand()
{
    for (size_t i = 0; i < m_commands.size(); ++i) {
	delete m_commands[i];
    }
}

void
MacroCommand::addCommand(Command *command)
{
    m_commands.push_back(command);
}

void
MacroCommand::deleteCommand(Command *command)
{
    for (std::vector<Command *>::iterator i = m_commands.begin();
	 i != m_commands.end(); ++i) {

	if (*i == command) {
	    m_commands.erase(i);
	    delete command;
	    return;
	}
    }
}

bool
MacroCommand::haveCommands() const
{
    return !m_commands.empty();
}

void
MacroCommand::execute()
{
    for (size_t i = 0; i < m_commands.size(); ++i) {
	m_commands[i]->execute();
    }
}

void
MacroCommand::unexecute()
{
    for (size_t i = 0; i < m_commands.size(); ++i) {
	m_commands[m_commands.size() - i - 1]->unexecute();
    }
}

QString
MacroCommand::getName() const
{
    return m_name;
}

void
MacroCommand::setName(QString name)
{
    m_name = name;
}