TimelineTrackPosition.java

/*******************************************************************************
 * Catroid: An on-device visual programming system for Android devices
 *  Copyright (C) 2010-2013 The Catrobat Team
 *  (<http://developer.catrobat.org/credits>)
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *
 *  An additional term exception under section 7 of the GNU Affero
 *  General Public License, version 3, is available at
 *  http://www.catroid.org/catroid/licenseadditionalterm
 *
 *  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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.catrobat.musicdroid.soundmixer.timeline;

import android.content.Context;
import android.view.View;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;

public class TimelineTrackPosition extends View {
	private Context context;
	private int colorId;

	public TimelineTrackPosition(Context c, int colId) {
		super(c);
		context = c;
		colorId = colId;
		addTrackPosition();
	}

	public void updateTrackPosition(int pixPos, int secPos) {
		setVisibility(View.VISIBLE);

		RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) getLayoutParams();
		layoutParams.leftMargin = pixPos;
		setLayoutParams(layoutParams);
	}

	private void addTrackPosition() {
		LayoutParams seperatorParams = new RelativeLayout.LayoutParams(2,
				android.view.ViewGroup.LayoutParams.WRAP_CONTENT);
		seperatorParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
		setLayoutParams(seperatorParams);
		setBackgroundColor(context.getResources().getColor(colorId));
		setVisibility(View.INVISIBLE);
	}

	public View getTrackPosition() {
		return this;
	}

}