InControl.cxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "InControl.hxx"
#include "OutControl.hxx"
#include "Processing.hxx"

namespace CLAM 
{

InControl::InControl(const std::string &name, Processing* parent, const bool publish)
        : mLastValue(0)
        , mName(name)
        , mParent(parent)
        , mUpperBound(1)
        , mLowerBound(0)
        , mBounded(false)
        , mHasDefaultValue(false)

{
        if (parent && publish) parent->RegisterInControl(this);
}


InControl::~InControl() 
{
        while (!mLinks.empty())
                mLinks.front()->RemoveLink(*this);
        
        if (mParent)
                mParent->GetInControls().ProcessingInterface_Unregister(this);
}

bool InControl::IsConnectedTo( OutControl & out)
{
        return out.IsConnectedTo( *this );
}

bool InControl::IsConnected() const
{
        return !mLinks.empty();
}

bool InControl::IsBounded() const
{
        return mBounded;
}
TControlData InControl::UpperBound() const
{
        return mUpperBound;
}
TControlData InControl::LowerBound() const
{
        return mLowerBound;
}
void InControl::SetBounds( TControlData lower, TControlData upper )
{
        mLowerBound = lower;
        mUpperBound = upper;
        mBounded = true;
}
void InControl::SetDefaultValue( TControlData val )
{
        mDefaultValue = val;
        mHasDefaultValue = true;
}
TControlData InControl::DefaultValue() const
{
        if (mHasDefaultValue) return mDefaultValue;
        return (mUpperBound+mLowerBound)/2.f;
}

void InControl::OutControlInterface_AddLink(OutControl & outControl)
{
        mLinks.push_back(&outControl);
}

void InControl::OutControlInterface_RemoveLink(OutControl & outControl)
{
        mLinks.remove(&outControl);
}


}; // namespace CLAM

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