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Java > Open Source Codes > com > jcorporate > expresso > services > html > Heading


1 /* ====================================================================
2  * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
3  *
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19  * if any, must include the following acknowledgment:
20  * "This product includes software developed by Jcorporate Ltd.
21  * (http://www.jcorporate.com/)."
22  * Alternately, this acknowledgment may appear in the software itself,
23  * if and wherever such third-party acknowledgments normally appear.
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59  * <http://www.jcorporate.com/>.
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61  * Portions of this software are based upon other open source
62  * products and are subject to their respective licenses.
63  */

64
65 package com.jcorporate.expresso.services.html;
66
67 /**
68  * Heading.java
69  *
70  * Copyright 1999, 2000, 2001 Jcorporate Ltd.
71  */

72
73 import java.io.PrintWriter JavaDoc;
74
75
76 /**
77  * An HTML Heading item
78  *
79  * @author Michael Nash
80  * @version $Revision: 1.8 $ $Date: 2004/11/17 20:48:18 $
81  */

82 public class Heading
83         extends Text {
84     private int level = 1;
85     private String JavaDoc alignment = ("center");
86     private String JavaDoc thisClass = (this.getClass().getName() + ".");
87
88     /**
89      * Constructor
90      *
91      * @throws HtmlException If the superclass constructor fails
92      */

93     public Heading()
94             throws HtmlException {
95         super();
96     } /* Heading() */
97
98     /**
99      * Constructor
100      * Create the heading with the given name
101      *
102      * @param newString the value for the heading
103      */

104     public Heading(String JavaDoc newString)
105             throws HtmlException {
106         super(newString);
107     } /* Heading(String) */
108
109     /**
110      * Constructor
111      * Create a heading with the given level and given string as contents
112      *
113      * @param newString String for the contents of the heading
114      * @param newLevel Level of the heading
115      * @throws HtmlException If the parameters are invalid
116      */

117     public Heading(String JavaDoc newString, int newLevel)
118             throws HtmlException {
119         super(newString);
120         level = newLevel;
121     } /* Heading(String, int) */
122
123     /**
124      * Constructor
125      * Build a heading object with the given contents and the given style
126      *
127      * @param newString The string for the heading
128      * @param newStyle A style, such as "bold", or "italic"
129      * @throws HtmlException If the parameters are invalid
130      */

131     public Heading(String JavaDoc newString, String JavaDoc newStyle)
132             throws HtmlException {
133         super(newString, newStyle);
134     } /* Heading(String, String) */
135
136     /**
137      * Constructor
138      * Create a heading specifying the contents, style and level
139      *
140      * @param newString String for the contents of the heading
141      * @param newStyle Style of the contents, e.g. "bold", "italic"
142      * @param newLevel Level of the heading
143      * @throws HtmlException If the parameters are invalid
144      */

145     public Heading(String JavaDoc newString, String JavaDoc newStyle, int newLevel)
146             throws HtmlException {
147         super(newString, newStyle);
148         level = newLevel;
149     } /* Heading(String, String, int) */
150
151     /**
152      * Display the heading
153      *
154      * @param out PrintWriter to display
155      * @param depth the number of tabs to indent
156      * @throws HtmlException If the heading cannot be displayed
157      */

158     protected void display(PrintWriter JavaDoc out, int depth)
159             throws HtmlException {
160         this.padWithTabs(out, depth);
161         out.print("<h" + level);
162
163         if (cSSClass != null) {
164             out.print(" class=\"" + cSSClass + "\"");
165         }
166         if (cSSID != null) {
167             out.print(" ID=\"" + cSSID + "\"");
168         }
169
170         out.print(" align=\"" + alignment + "\">");
171         super.display(out, depth + 1);
172         this.padWithTabs(out, depth);
173         out.println("</h" + level + ">");
174         setDisplayed();
175     } /* display(PrintWriter) */
176
177
178     /**
179      * Set the horizontal alignment of the contents of this heading
180      *
181      * @param newAlignment New alignment as a string. Must be "left", "right"
182      * or "center"
183      * @throws HtmlException If the parameter is invalid
184      */

185     public synchronized void setAlignment(String JavaDoc newAlignment)
186             throws HtmlException {
187         String JavaDoc myName = (thisClass + "setAlignment(String)");
188
189         if (newAlignment.equalsIgnoreCase("left")) {
190             alignment = newAlignment;
191         } else if (newAlignment.equalsIgnoreCase("right")) {
192             alignment = newAlignment;
193         } else if (newAlignment.equalsIgnoreCase("center")) {
194             alignment = newAlignment;
195         } else {
196             throw new HtmlException(myName +
197                     ":Alignment must be left, right, or center for '" +
198                     getName() + "'");
199         }
200     } /* setAlignment(String) */
201
202
203 } /* Heading */
204
205 /* Heading */
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