SimpleView.java from gzz at Krugle
Show SimpleView.java syntax highlighted
/*
SimpleView.java
*
* Copyright (c) 2003 by Benja Fallenstein
*
* This file is part of Gzz.
*
* Gzz is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Gzz 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 Lesser General
* Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with Gzz; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
/*
* Written by Benja Fallenstein
*/
package gzz.loom;
import gzz.client.*;
import gzz.vob.*;
import gzz.vob.vobs.*;
import java.util.*;
import com.hp.hpl.mesa.rdf.jena.model.*;
/** A very simple view of an RDF graph.
* Example:
* <pre>
* neg1 \
* neg2 \ / pos1
* neg3 - focus - pos2
* neg4 / \ pos3
* neg5 /
* </pre>
*/
public class SimpleView implements View {
/** The view used to show the individual nodes.
*/
protected NodeView nodeView;
protected final Vob conn = new SimpleConnection(1,.5f,0,.5f);
public SimpleView(NodeView nodeView) {
this.nodeView = nodeView;
}
protected int sizex = 250, sizey = 20;
protected int gapx = 50, gapy = 30;
public void render(VobScene sc, int into, Cursor c) {
int midx = sc.size.width/2, midy = sc.size.height/2;
int cs = sc.orthoBoxCS(into, c.focus, 0, midx-sizex/2, midy-sizey/2,
1, 1, sizex, sizey);
nodeView.render(sc, cs, c.focus, 0);
int before = c.getRotationIndex(1);
int x = midx + gapx + sizex/2,
y = midy - sizey/2 - before*(gapy+sizey);
for(Iterator j=c.getConnections(1).iterator(); j.hasNext();) {
RDFNode node = (RDFNode)j.next();
int cs2 = sc.orthoBoxCS(into, node, 0, x, y, 1, 1, sizex, sizey);
nodeView.render(sc, cs2, node, 1);
sc.map.put(conn, cs, cs2);
y += sizey + gapy;
}
before = c.getRotationIndex(-1);
x = midx - gapx - sizex - sizex/2;
y = midy - sizey/2 - before*(gapy+sizey);
for(Iterator j=c.getConnections(-1).iterator(); j.hasNext();) {
RDFNode node = (RDFNode)j.next();
int cs2 = sc.orthoBoxCS(into, node, 0, x, y, 1, 1, sizex, sizey);
nodeView.render(sc, cs2, node, -1);
sc.map.put(conn, cs2, cs);
y += sizey + gapy;
}
}
}
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