AllAxes.java from BIRT at Krugle

Show AllAxes.java syntax highlighted

/***********************************************************************
 * Copyright (c) 2004 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Actuate Corporation - initial API and implementation
 ***********************************************************************/

package org.eclipse.birt.chart.computation.withaxes;

import org.eclipse.birt.chart.computation.IConstants;
import org.eclipse.birt.chart.model.attribute.Insets;
import org.eclipse.birt.chart.model.attribute.impl.InsetsImpl;

/**
 * AllAxes
 */
public final class AllAxes implements IConstants
{

	// PRIMARY AXES INFORMATION
	private OneAxis axPrimaryBase = null;

	private OneAxis axPrimaryOrthogonal = null;

	private OneAxis axAncillaryBase = null;

	private boolean bAxesSwapped = false;

	// OVERLAY AXES INFORMATION
	private OneAxis[] oa = null;

	private double dStart = 0, dLength = 0;

	private int iOverlayOrientation = 0;

	private Insets insClientArea = null;

	AllAxes( Insets _insClientArea )
	{
		insClientArea = _insClientArea;
		if ( insClientArea == null )
		{
			insClientArea = InsetsImpl.create( 0, 0, 0, 0 );
		}

	}

	final void initOverlays( int _iAxisCount, int _iOverlayOrientation )
	{
		if ( _iAxisCount > 0 )
		{
			oa = new OneAxis[_iAxisCount];
		}
		else
		{
			oa = null;
		}
		iOverlayOrientation = _iOverlayOrientation;
	}

	final void defineAncillaryBase( OneAxis axBase )
	{
		axAncillaryBase = axBase;
	}

	final void definePrimary( OneAxis axPrimary )
	{
		int iOrientation = axPrimary.getOrientation( );
		if ( iOrientation == HORIZONTAL )
		{
			if ( bAxesSwapped )
			{
				axPrimaryOrthogonal = axPrimary;
			}
			else
			{
				axPrimaryBase = axPrimary;
			}
		}
		else if ( iOrientation == VERTICAL )
		{
			if ( bAxesSwapped )
			{
				axPrimaryBase = axPrimary;
			}
			else
			{
				axPrimaryOrthogonal = axPrimary;
			}
		}
	}

	final void defineOverlay( int iAxisIndex, OneAxis axOverlay )
	{
		oa[iAxisIndex] = axOverlay;
	}

	public final OneAxis getOverlay( int iAxisIndex )
	{
		return oa[iAxisIndex];
	}

	final double getMaxStartShift( )
	{
		double dMaxSS = 0;
		for ( int i = 0; i < getOverlayCount( ); i++ )
		{
			if ( oa[i].getScale( ).getStartShift( ) > dMaxSS )
			{
				dMaxSS = oa[i].getScale( ).getStartShift( );
			}
		}
		return dMaxSS;
	}

	final double getMaxEndShift( )
	{
		double dMaxES = 0;
		for ( int i = 0; i < getOverlayCount( ); i++ )
		{
			if ( oa[i].getScale( ).getEndShift( ) > dMaxES )
			{
				dMaxES = oa[i].getScale( ).getEndShift( );
			}
		}
		return dMaxES;
	}

	public final int getOverlayCount( )
	{
		return oa == null ? 0 : oa.length;
	}

	final int getOrientation( )
	{
		return iOverlayOrientation;
	}

	final void setBlockCordinates( double _dStart, double _dLength )
	{
		dStart = _dStart;
		dLength = _dLength;
	}

	final double getStart( )
	{
		return dStart;
	}

	final double getLength( )
	{
		return dLength;
	}

	public final OneAxis getPrimaryBase( )
	{
		return axPrimaryBase;
	}

	public final OneAxis getPrimaryOrthogonal( )
	{
		return axPrimaryOrthogonal;
	}

	public final OneAxis getAncillaryBase( )
	{
		return axAncillaryBase;
	}

	public boolean areAxesSwapped( )
	{
		return bAxesSwapped;
	}

	final void swapAxes( boolean _bAxesSwapped )
	{
		bAxesSwapped = _bAxesSwapped;
		iOverlayOrientation = _bAxesSwapped ? HORIZONTAL : VERTICAL;
	}

	final boolean anyOverlayPositionedAt( int iMinOrMax )
	{
		final int iOC = getOverlayCount( );
		for ( int i = 0; i < iOC; i++ )
		{
			if ( getOverlay( i ).getIntersectionValue( ).getType( ) == iMinOrMax )
			{
				return true;
			}
		}
		return false;
	}

	public final Insets getInsets( )
	{
		return insClientArea;
	}
}
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