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Java > Open Source Codes > org > apache > fop > fo > flow > PageNumber


1 /*
2  * $Id: PageNumber.java,v 1.21.2.6 2003/04/11 00:24:39 pietsch Exp $
3  * ============================================================================
4  * The Apache Software License, Version 1.1
5  * ============================================================================
6  *
7  * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without modifica-
10  * tion, are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * 3. The end-user documentation included with the redistribution, if any, must
20  * include the following acknowledgment: "This product includes software
21  * developed by the Apache Software Foundation (http://www.apache.org/)."
22  * Alternately, this acknowledgment may appear in the software itself, if
23  * and wherever such third-party acknowledgments normally appear.
24  *
25  * 4. The names "FOP" and "Apache Software Foundation" must not be used to
26  * endorse or promote products derived from this software without prior
27  * written permission. For written permission, please contact
28  * apache@apache.org.
29  *
30  * 5. Products derived from this software may not be called "Apache", nor may
31  * "Apache" appear in their name, without prior written permission of the
32  * Apache Software Foundation.
33  *
34  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
35  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
36  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
37  * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
38  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
39  * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
40  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
41  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
42  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
43  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44  * ============================================================================
45  *
46  * This software consists of voluntary contributions made by many individuals
47  * on behalf of the Apache Software Foundation and was originally created by
48  * James Tauber <jtauber@jtauber.com>. For more information on the Apache
49  * Software Foundation, please see <http://www.apache.org/>.
50  */
51 package org.apache.fop.fo.flow;
52
53 // FOP
54 import org.apache.fop.fo.*;
55 import org.apache.fop.layout.*;
56 import org.apache.fop.datatypes.*;
57 import org.apache.fop.fo.properties.*;
58 import org.apache.fop.apps.FOPException;
59
60 public class PageNumber extends FObj {
61
62     public static class Maker extends FObj.Maker {
63         public FObj make(FObj parent, PropertyList propertyList,
64                          String JavaDoc systemId, int line, int column)
65             throws FOPException {
66             return new PageNumber(parent, propertyList, systemId, line, column);
67         }
68
69     }
70
71     public static FObj.Maker maker() {
72         return new PageNumber.Maker();
73     }
74
75     float red;
76     float green;
77     float blue;
78     int wrapOption;
79     int whiteSpaceCollapse;
80     TextState ts;
81
82     public PageNumber(FObj parent, PropertyList propertyList,
83                       String JavaDoc systemId, int line, int column) {
84         super(parent, propertyList, systemId, line, column);
85     }
86
87     public String JavaDoc getName() {
88         return "fo:page-number";
89     }
90
91     public int layout(Area area) throws FOPException {
92         if (!(area instanceof BlockArea)) {
93             log.warn("page-number outside block area");
94             return Status.OK;
95         }
96         if (this.marker == START) {
97
98             // Common Accessibility Properties
99 AccessibilityProps mAccProps = propMgr.getAccessibilityProps();
100         
101             // Common Aural Properties
102 AuralProps mAurProps = propMgr.getAuralProps();
103
104             // Common Border, Padding, and Background Properties
105 BorderAndPadding bap = propMgr.getBorderAndPadding();
106             BackgroundProps bProps = propMgr.getBackgroundProps();
107
108             // Common Font Properties
109 //this.fontState = propMgr.getFontState(area.getFontInfo());
110
111             // Common Margin Properties-Inline
112 MarginInlineProps mProps = propMgr.getMarginInlineProps();
113
114             // Common Relative Position Properties
115 RelativePositionProps mRelProps = propMgr.getRelativePositionProps();
116         
117             // this.properties.get("alignment-adjust");
118 // this.properties.get("alignment-baseline");
119 // this.properties.get("baseline-shift");
120 // this.properties.get("dominant-baseline");
121 // this.properties.get("id");
122 // this.properties.get("keep-with-next");
123 // this.properties.get("keep-with-previous");
124 // this.properties.get("letter-spacing");
125 // this.properties.get("line-height");
126 // this.properties.get("line-height-shift-adjustment");
127 // this.properties.get("score-spaces");
128 // this.properties.get("text-decoration");
129 // this.properties.get("text-shadow");
130 // this.properties.get("text-transform");
131 // this.properties.get("word-spacing");
132
133             ColorType c = this.properties.get("color").getColorType();
134             this.red = c.red();
135             this.green = c.green();
136             this.blue = c.blue();
137
138             this.wrapOption = this.properties.get("wrap-option").getEnum();
139             this.whiteSpaceCollapse =
140                 this.properties.get("white-space-collapse").getEnum();
141             ts = new TextState();
142             this.marker = 0;
143
144             // initialize id
145 String JavaDoc id = this.properties.get("id").getString();
146             try {
147                 area.getIDReferences().initializeID(id, area);
148             }
149             catch(FOPException e) {
150                 if (!e.isLocationSet()) {
151                     e.setLocation(systemId, line, column);
152                 }
153                 throw e;
154             }
155         }
156
157         String JavaDoc p = area.getPage().getFormattedNumber();
158         this.marker = FOText.addText((BlockArea)area,
159                                      propMgr.getFontState(area.getFontInfo()),
160                                      red, green, blue, wrapOption, null,
161                                      whiteSpaceCollapse, p.toCharArray(), 0,
162                                      p.length(), ts, VerticalAlign.BASELINE);
163         return Status.OK;
164     }
165
166 }
167
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