151 lines
4.4 KiB
Java
151 lines
4.4 KiB
Java
//This file is part of SECONDO.
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//Copyright (C) 2004, 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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package viewer.hoese.algebras;
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import java.awt.geom.*;
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import java.awt.*;
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import viewer.*;
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import viewer.hoese.*;
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import sj.lang.ListExpr;
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import java.util.*;
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import javax.swing.*;
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import tools.Reporter;
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/**
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* A displayclass for the intimeline-type (spatiotemp algebra), 2D with TimePanel
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*/
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public class Dsplintimeline extends Dsplline implements Timed {
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Interval TimeBounds;
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private String entry;
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private boolean defined;
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/** A method of the Timed-Interface
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*
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* @return the global time boundaries [min..max] this instance is defined at
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* @see <a href="Dsplintimelinesrc.html#getTimebounds">Source</a>
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*/
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public Interval getBoundingInterval () {
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return TimeBounds;
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}
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/**
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* A method of the Timed-Interface to render the content of the TimePanel
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* @param PixelTime pixel per hour
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* @return A JPanel component with the renderer
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* @see <a href="Dsplintimeregionsrc.html#getTimeRenderer">Source</a>
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*/
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public JPanel getTimeRenderer (double PixelTime) {
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if(!defined){
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return new JPanel();
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}
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int start = 0;
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JLabel label = new JLabel("|"+LEUtils.convertTimeToString(TimeBounds.getStart()).substring(11,
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16), JLabel.LEFT);
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label.setBounds(start, 15, 100, 15);
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label.setVerticalTextPosition(JLabel.CENTER);
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label.setHorizontalTextPosition(JLabel.RIGHT);
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JPanel jp = new JPanel(null);
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jp.setPreferredSize(new Dimension(100, 25));
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jp.add(label);
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//Add labels to the JPanel.
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return jp;
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}
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/**
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* Scans the representation of an instant datatype
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* @param v An instant value
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* @see sj.lang.ListExpr
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* @see <a href="Dsplintimelinesrc.html#ScanValue">Source</a>
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*/
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public String getString (ListExpr v) {
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if(isUndefined(v)){
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defined=false;
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return "undefined";
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}
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Double d;
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if (v.listLength() != 2) {
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err=true;
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defined = false;
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return "<error>";
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}
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d = LEUtils.readInstant(v.first());
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if (d == null) {
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err = true;
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defined=false;
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return "<error>";
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}
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TimeBounds = new Interval(d.doubleValue(), d.doubleValue(), true, true);
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super.ScanValue(v.second());
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return "intimeline";
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}
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public void init (String name, int nameWidth, int indent, ListExpr type, ListExpr value, QueryResult qr) {
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AttrName = extendString(name,nameWidth, indent);
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String v = getString(value);
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entry = type.symbolValue()+":"+v;
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if(!err){
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qr.addEntry(this);
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}else{
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qr.addEntry(entry);
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}
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bounds = new Rectangle2D.Double();
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bounds.setRect(GP.getBounds2D());
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}
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public String toString(){
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return entry;
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}
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/**
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* Tests if a given position is near (10pxs) of this line, by iterating over all segments.
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* but only if ActualTime == defined time
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* @param xpos The x-Position to test.
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* @param ypos The y-Position to test.
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* @param scalex The actual x-zoomfactor
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* @param scaley The actual y-zoomfactor
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* @return true if x-, ypos is contained in this points type
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* @see <a href="Dsplintimepointssrc.html#contains">Source</a>
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*/
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public boolean contains (double xpos, double ypos, double scalex, double scaley) {
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double t = RefLayer.getActualTime();
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if (Math.abs(t - TimeBounds.getStart()) < 0.000001)
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return super.contains(xpos, ypos, scalex, scaley);
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else
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return false;
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}
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/** A method of the Timed-Interface
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* @return The Vector representation of the time intervals this instance is defined at
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* @see <a href="Dsplintimelinesrc.html#getIntervals">Source</a>
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*/
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public Vector getIntervals(){
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Vector v=new Vector(1,0);
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v.add(TimeBounds);
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return v;
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}
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}
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