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21
22 package org.armedbear.j;
23
24 import java.awt.Color  ;
25 import java.awt.Font ;
26 import java.util.ArrayList ;
27 import java.util.List ;
28
29 public abstract class Formatter implements Constants
30 {
31 protected Buffer buffer;
32
33 protected FormatTable formatTable;
34 protected Color colorCaret;
35 protected Color colorBackground;
36 protected Color colorCurrentLineBackground;
37 protected Color colorSelectionBackground;
38 protected Color colorMatchingBracketBackground;
39
40 protected LineSegmentList segmentList = new LineSegmentList();
41
42 public abstract LineSegmentList formatLine(Line line);
43 public abstract FormatTable getFormatTable();
44
45 public boolean parseBuffer()
46 {
47 buffer.setNeedsParsing(false);
48 return false;
49 }
50
51 protected final boolean isKeyword(String s)
52 {
53 return buffer.isKeyword(s);
54 }
55
56 public Color getCaretColor()
57 {
58 if (colorCaret == null) {
59 colorCaret = buffer.getMode().getColorProperty(Property.COLOR_CARET);
60 if (colorCaret == null) {
61 colorCaret = buffer.getMode().getColorProperty(Property.COLOR_TEXT);
62 if (colorCaret == null)
63 colorCaret = DefaultTheme.getColor("caret");
64 }
65 }
66 return colorCaret;
67 }
68
69 public Color getBackgroundColor()
70 {
71 if (colorBackground == null) {
72 colorBackground = buffer.getMode().getColorProperty(Property.COLOR_BACKGROUND);
73 if (colorBackground == null)
74 colorBackground = DefaultTheme.getColor("background");
75 }
76 return colorBackground;
77 }
78
79 public Color getCurrentLineBackgroundColor()
80 {
81 if (colorCurrentLineBackground == null) {
82 colorCurrentLineBackground = buffer.getMode().getColorProperty(Property.COLOR_CURRENT_LINE_BACKGROUND);
83 if (colorCurrentLineBackground == null)
84 colorCurrentLineBackground = DefaultTheme.getColor("currentLineBackground");
85 }
86 return colorCurrentLineBackground;
87 }
88
89 public Color getSelectionBackgroundColor()
90 {
91 if (colorSelectionBackground == null) {
92 colorSelectionBackground = buffer.getMode().getColorProperty(Property.COLOR_SELECTION_BACKGROUND);
93 if (colorSelectionBackground == null)
94 colorSelectionBackground = DefaultTheme.getColor("selectionBackground");
95 }
96 return colorSelectionBackground;
97 }
98
99 public Color getMatchingBracketBackgroundColor()
100 {
101 if (colorMatchingBracketBackground == null) {
102 colorMatchingBracketBackground = buffer.getMode().getColorProperty(Property.COLOR_MATCHING_BRACKET_BACKGROUND);
103 if (colorMatchingBracketBackground == null)
104 colorMatchingBracketBackground = DefaultTheme.getColor("matchingBracketBackground");
105 }
106 return colorMatchingBracketBackground;
107 }
108
109 public Color getColor(int format)
110 {
111 FormatTableEntry entry = getFormatTable().lookup(format);
112 if (entry != null)
113 return entry.getColor();
114 return DefaultTheme.getColor("text");
115 }
116
117 public int getStyle(int format)
118 {
119 FormatTableEntry entry = getFormatTable().lookup(format);
120 if (entry != null)
121 return entry.getStyle();
122 return Font.PLAIN;
123 }
124
125 public FormatTableEntry getFormatTableEntry(int format)
126 {
127 return getFormatTable().lookup(format);
128 }
129
130 public boolean getUnderline(int format)
131 {
132 return false;
133 }
134
135 public void reset()
136 {
137 colorCaret = null;
138 colorBackground = null;
139 colorCurrentLineBackground = null;
140 colorSelectionBackground = null;
141 colorMatchingBracketBackground = null;
142 formatTable = null;
143 }
144
145 protected final void addSegment(String text, int begin, int end, int format)
146 {
147 segmentList.addSegment(new LineSegment(text, begin, end, format));
148 }
149
150 protected final void addSegment(String text, int begin, int format)
151 {
152 segmentList.addSegment(new LineSegment(text, begin, text.length(), format));
153 }
154
155 protected final void addSegment(String text, int format)
156 {
157 segmentList.addSegment(new LineSegment(text, format));
158 }
159
160 protected final LineSegment getLastSegment()
161 {
162 return segmentList.getLastSegment();
163 }
164
165 protected final void clearSegmentList()
166 {
167 segmentList.clear();
168 }
169
170 protected final String getDetabbedText(Line line)
171 {
172 if (Editor.tabsAreVisible())
173 return Utilities.makeTabsVisible(line.getText(), buffer.getTabWidth());
174 return Utilities.detab(line.getText(), buffer.getTabWidth());
175 }
176 }
177 |
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