Source Code Cross Referenced for PropertyLinePrinter.java in  » UML » jrefactory » org » acm » seguin » print » text » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » UML » jrefactory » org.acm.seguin.print.text 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Author:  Chris Seguin
003:         *
004:         *  This software has been developed under the copyleft
005:         *  rules of the GNU General Public License.  Please
006:         *  consult the GNU General Public License for more
007:         *  details about use and distribution of this software.
008:         */
009:        package org.acm.seguin.print.text;
010:
011:        import java.awt.Color;
012:        import java.awt.Font;
013:        import java.awt.FontMetrics;
014:        import java.awt.Graphics;
015:        import org.acm.seguin.util.TextFormatter;
016:
017:        /**
018:         *  Prints a single line 
019:         *
020:         *@author    Chris Seguin 
021:         */
022:        public class PropertyLinePrinter extends LinePrinter {
023:            private Font lineNo;
024:            private Font normal;
025:            private Font keyword;
026:            private Font comment;
027:
028:            /**
029:             *  Constructor for the PropertyLinePrinter object 
030:             */
031:            public PropertyLinePrinter() {
032:                normal = null;
033:                keyword = null;
034:                comment = null;
035:                lineNo = null;
036:            }
037:
038:            /**
039:             *  Sets the FontSize attribute of the LinePrinter object 
040:             *
041:             *@param  value  The new FontSize value 
042:             */
043:            public void setFontSize(int value) {
044:                if (fontSize != value) {
045:                    super .setFontSize(value);
046:
047:                    normal = null;
048:                    keyword = null;
049:                    comment = null;
050:                    lineNo = null;
051:                }
052:            }
053:
054:            /**
055:             *  Initializes the graphics object to begin printing 
056:             *
057:             *@param  g  the graphics object 
058:             */
059:            public void init(Graphics g) {
060:                if (normal == null) {
061:                    normal = new Font("SansSerif", Font.PLAIN, fontSize);
062:                    keyword = new Font("SansSerif", Font.BOLD, fontSize);
063:                    comment = new Font("SansSerif", Font.ITALIC, fontSize);
064:                    lineNo = new Font("Monospaced", Font.PLAIN, fontSize);
065:                }
066:                g.setColor(Color.black);
067:                g.setFont(normal);
068:            }
069:
070:            /**
071:             *  Prints the line 
072:             *
073:             *@param  g      The graphics device 
074:             *@param  line   The string to print 
075:             *@param  x      The x location on the graphics device 
076:             *@param  y      The y location on the graphics device 
077:             *@param  set    The set of lines 
078:             *@param  index  The line we are printing 
079:             */
080:            public void print(Graphics g, String line, int x, int y,
081:                    LineSet set, int index) {
082:                String output = TextFormatter.rightJustifyNumber(index + 1, 5)
083:                        + ":  ";
084:                g.setFont(lineNo);
085:                FontMetrics fm = g.getFontMetrics();
086:                g.drawString(output, x, y);
087:
088:                x = x + fm.stringWidth(output);
089:
090:                //  Decide next part
091:                if (line.length() < 1) {
092:                    return;
093:                }
094:
095:                if (line.charAt(0) == '#') {
096:                    g.setFont(comment);
097:                    g.drawString(line, x, y);
098:                    return;
099:                }
100:
101:                int equalsIndex = line.indexOf('=');
102:                if (equalsIndex > 0) {
103:                    String keywordString = line.substring(0, equalsIndex);
104:                    String valueString = line.substring(equalsIndex + 1);
105:
106:                    g.setFont(keyword);
107:                    g.drawString(keywordString, x, y);
108:                    fm = g.getFontMetrics();
109:                    x = x + fm.stringWidth(keywordString);
110:
111:                    g.setColor(Color.gray);
112:                    g.drawString("=", x, y);
113:                    x = x + fm.stringWidth("=");
114:
115:                    g.setFont(normal);
116:                    g.setColor(Color.black);
117:                    g.drawString(valueString, x, y);
118:                    return;
119:                }
120:
121:                g.drawString(line, x, y);
122:            }
123:        }
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