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Java > Open Source Codes > org > openlaszlo > iv > flash > commands > XMLTickerCommand


1 /*
2  * $Id: XMLTickerCommand.java,v 1.3 2002/02/24 02:10:19 skavish Exp $
3  *
4  * ===========================================================================
5  *
6  * The JGenerator Software License, Version 1.0
7  *
8  * Copyright (c) 2000 Dmitry Skavish (skavish@usa.net). All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
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16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution, if
22  * any, must include the following acknowlegement:
23  * "This product includes software developed by Dmitry Skavish
24  * (skavish@usa.net, http://www.flashgap.com/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
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28  * 4. The name "The JGenerator" must not be used to endorse or promote
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30  * For written permission, please contact skavish@usa.net.
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32  * 5. Products derived from this software may not be called "The JGenerator"
33  * nor may "The JGenerator" appear in their names without prior written
34  * permission of Dmitry Skavish.
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36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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40  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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50
51 package org.openlaszlo.iv.flash.commands;
52
53 import org.openlaszlo.iv.flash.parser.*;
54 import org.openlaszlo.iv.flash.api.*;
55 import org.openlaszlo.iv.flash.util.*;
56
57 import org.openlaszlo.iv.flash.context.Context;
58
59 import java.io.*;
60 import java.awt.geom.*;
61
62 public class XMLTickerCommand extends GeneralXMLListCommand {
63
64     public XMLTickerCommand() {}
65
66     public void doCommand( FlashFile file, Context context, Script parent, int frameNum ) throws IVException {
67         initParms( context );
68
69         int stepsize = getIntParameter( context, "stepsize", 4 ) * 20;
70
71         Script listScript = makeList( file, context, parent, frameNum );
72
73         Script myScript = getInstance().copyScript();
74
75         int scrollFrames = stepsize==0?1:(listSize+Math.abs(stepsize)-1)/Math.abs(stepsize);
76
77         int current = 0;
78         for( int i=0; i<scrollFrames; i++ ) {
79             Frame scrollFrame = myScript.newFrame();
80             AffineTransform m;
81
82             if ( orient == ORIENT_VERT ) {
83                 m = AffineTransform.getTranslateInstance(0,current);
84             } else if ( orient == ORIENT_HORIZ ) {
85                 m = AffineTransform.getTranslateInstance(current,0);
86             } else {
87                 m = new AffineTransform(); // ?????
88 }
89
90             if( i==0 ) scrollFrame.addInstance(listScript, 1, m, null, "contents" );
91             else scrollFrame.addInstance(1, m);
92
93             if ( orient == ORIENT_VERT ) {
94                 m = AffineTransform.getTranslateInstance(0,current+listSize);
95             } else if ( orient == ORIENT_HORIZ ) {
96                 m = AffineTransform.getTranslateInstance(current+listSize,0);
97             } else {
98                 m = new AffineTransform(); // ?????
99 }
100
101             if( i==0 ) scrollFrame.addInstance(listScript, 2, m, null, "contents2" );
102             else scrollFrame.addInstance(2, m);
103
104             current -= stepsize;
105         }
106
107         addMask( parent, frameNum );
108     }
109
110 }
111
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