110 lines
2.7 KiB
Java
110 lines
2.7 KiB
Java
/*
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This file is part of SECONDO.
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Copyright (C) 2013, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package viewer.hoese;
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import java.util.*;
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/**
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* Class TileManager updates minimum value and maximum value
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* of a Tile Algebra object before this object in drawn in layer.
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*
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* author: Dirk Zacher
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*/
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public class TileManager
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{
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/**
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* Member Object contains all graphical objects of the layer.
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*/
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private Vector Objects;
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/**
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* Constructor of TileManager initializes member Objects
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* by given parameter objects
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* @param objects - reference to a vector containing
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* all graphical objects of the layer
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* @author Dirk Zacher
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*/
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public TileManager(Vector objects)
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{
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Objects = objects;
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}
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/**
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* Method updateObjects updates all Tile objects of the layer.
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* @author Dirk Zacher
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*/
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public void updateObjects()
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{
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boolean hasTileObjects = false;
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Double minimumValue = Double.MAX_VALUE;
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Double maximumValue = Double.MIN_VALUE;
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for(int i = 0; i < Objects.size(); i++)
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{
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Object object = Objects.get(i);
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if(object instanceof Tile)
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{
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Tile tile = (Tile)object;
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if(tile != null)
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{
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hasTileObjects = true;
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Double tileMinimumValue = tile.GetMinimumValue();
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Double tileMaximumValue = tile.GetMaximumValue();
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if(tileMinimumValue < minimumValue)
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{
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minimumValue = tileMinimumValue;
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}
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if(tileMaximumValue > maximumValue)
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{
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maximumValue = tileMaximumValue;
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}
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}
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}
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}
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if(hasTileObjects == true)
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{
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for(int i = 0; i < Objects.size(); i++)
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{
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Object object = Objects.get(i);
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if(object instanceof Tile)
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{
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Tile tile = (Tile)object;
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if(tile != null)
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{
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tile.SetMinimumValue(minimumValue);
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tile.SetMaximumValue(maximumValue);
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}
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}
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}
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}
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}
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}
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