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annotate org.eclipse.jface/src/org/eclipse/jface/viewers/StyledString.d @ 17:6f068362a363

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Remove direct import of tango.text.convert.Format
author Frank Benoit <benoit@tionex.de>
date Wed, 18 Mar 2009 09:09:23 +0100
parents bc29606a740c
children 52184e4b815c
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1 /*******************************************************************************
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2 * Copyright (c) 2008 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module org.eclipse.jface.viewers.StyledString;
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15 import org.eclipse.swt.custom.StyleRange;
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16 import org.eclipse.swt.graphics.TextStyle;
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17 import org.eclipse.jface.preference.JFacePreferences;
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18 import org.eclipse.jface.resource.ColorRegistry;
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19 import org.eclipse.jface.resource.JFaceResources;
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20
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21 import java.lang.all;
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22 import java.util.List;
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23 import java.util.ArrayList;
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24 import java.util.Set;
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25 import tango.core.Exception;
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27
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28 /**
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29 * A mutable string with styled ranges. All ranges mark substrings of the string
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30 * and do not overlap. Styles are applied using instances of {@link Styler} to
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31 * compute the result of {@link #getStyleRanges()}.
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32 *
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33 * The styled string can be built in the following two ways:
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34 * <ul>
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35 * <li>new strings with stylers can be appended</li>
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36 * <li>stylers can by applied to ranges of the existing string</li>
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37 * </ul>
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38 *
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39 * <p>
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40 * This class may be instantiated; it is not intended to be subclassed.
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41 * </p>
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42 *
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43 * @since 3.4
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44 */
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45 public class StyledString {
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46
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47 /**
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48 * A styler will be asked to apply its styles to one ore more ranges in the
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49 * {@link StyledString}.
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50 *
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51 */
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52 public static abstract class Styler {
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53
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54 /**
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55 * Applies the styles represented by this object to the given textStyle.
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56 *
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57 * @param textStyle
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58 * the {@link TextStyle} to modify
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59 */
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60 public abstract void applyStyles(TextStyle textStyle);
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61 }
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62
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63 /**
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64 * A built-in styler using the {@link JFacePreferences#QUALIFIER_COLOR}
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65 * managed in the JFace color registry (See
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66 * {@link JFaceResources#getColorRegistry()}).
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67 */
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68 public static const Styler QUALIFIER_STYLER;
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69
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70 /**
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71 * A built-in styler using the {@link JFacePreferences#COUNTER_COLOR}
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72 * managed in the JFace color registry (See
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73 * {@link JFaceResources#getColorRegistry()}).
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74 */
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75 public static const Styler COUNTER_STYLER;
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76
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77 /**
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78 * A built-in styler using the {@link JFacePreferences#DECORATIONS_COLOR}
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79 * managed in the JFace color registry (See
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80 * {@link JFaceResources#getColorRegistry()}).
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81 */
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82 public static const Styler DECORATIONS_STYLER;
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83
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84 /**
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85 * Creates a styler that takes the given foreground and background colors
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86 * from the JFace color registry.
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87 *
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88 * @param foregroundColorName
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89 * the color name for the foreground color
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90 * @param backgroundColorName
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91 * the color name for the background color
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92 *
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93 * @return the created style
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94 */
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95 public static Styler createColorRegistryStyler(String foregroundColorName,
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96 String backgroundColorName) {
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97 return new DefaultStyler(foregroundColorName, backgroundColorName);
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98 }
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99
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100 private static const StyleRange[] EMPTY;
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101 private StringBuffer fBuffer;
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102 private StyleRunList fStyleRuns;
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103
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104 static this(){
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105 QUALIFIER_STYLER = createColorRegistryStyler(
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106 JFacePreferences.QUALIFIER_COLOR, null);
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107 COUNTER_STYLER = createColorRegistryStyler(
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108 JFacePreferences.COUNTER_COLOR, null);
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109 DECORATIONS_STYLER = createColorRegistryStyler(
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110 JFacePreferences.DECORATIONS_COLOR, null);
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111 EMPTY = new StyleRange[0];
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112 }
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113
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114 /**
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115 * Creates an empty {@link StyledString}.
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116 */
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117 public this() {
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118 fBuffer = new StringBuffer();
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119 fStyleRuns = null;
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120 }
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121
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122 /**
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123 * Creates an {@link StyledString} initialized with a string without
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124 * a style associated.
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125 *
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126 * @param string
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127 * the string
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128 */
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129 public this(String string) {
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130 this(string, null);
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131 }
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132
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133 /**
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134 * Creates an {@link StyledString} initialized with a string and a
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135 * style.
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136 *
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137 * @param string
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138 * the string
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139 * @param styler
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140 * the styler for the string or <code>null</code> to not
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141 * associated a styler.
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142 */
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143 public this(String string, Styler styler) {
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144 this();
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145 append(string, styler);
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146 }
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147
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148 /**
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149 * Returns the string of this {@link StyledString}.
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150 *
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151 * @return the current string of this {@link StyledString}.
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152 */
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153 public String getString() {
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154 return fBuffer.toString();
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155 }
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156
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157 /**
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158 * Returns the string of this {@link StyledString}.
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159 *
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160 * @return the current string of this {@link StyledString}.
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161 */
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162 public override String toString() {
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163 return getString();
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164 }
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165
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166 /**
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167 * Returns the length of the string of this {@link StyledString}.
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168 *
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169 * @return the length of the current string
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170 */
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171 public int length() {
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172 return fBuffer.length();
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173 }
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174
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175 /**
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176 * Appends a string to the {@link StyledString}. The appended string
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177 * will have no associated styler.
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178 *
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179 * @param string
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180 * the string to append
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181 * @return returns a reference to this object
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182 */
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183 public StyledString append(String string) {
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184 return append(string, null);
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185 }
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186
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187 // /**
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188 // * Appends the string representation of the given character array
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189 // * to the {@link StyledString}. The appended
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190 // * character array will have no associated styler.
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191 // *
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192 // * @param chars
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193 // * the character array to append
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194 // * @return returns a reference to this object
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195 // */
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196 // public StyledString append(char[] chars) {
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197 // return append(chars, null);
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198 // }
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199
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200 /**
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201 * Appends the string representation of the given character
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202 * to the {@link StyledString}. The appended
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203 * character will have no associated styler.
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204 *
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205 * @param ch
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206 * the character to append
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207 * @return returns a reference to this object
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208 */
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209 public StyledString append(dchar ch) {
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210 return append(dcharToString(ch), null);
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211 }
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212
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213 /**
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214 * Appends a string with styles to the {@link StyledString}.
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215 *
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216 * @param string
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217 * the string to append
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218 * @return returns a reference to this object
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219 */
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220 public StyledString append(StyledString string) {
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221 if (string.length() is 0) {
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222 return this;
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223 }
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224
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225 int offset = fBuffer.length();
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226 fBuffer.append(string.toString());
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227
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228 List otherRuns = string.fStyleRuns;
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229 if (otherRuns !is null && !otherRuns.isEmpty()) {
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230 for (int i = 0; i < otherRuns.size(); i++) {
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231 StyleRun curr = cast(StyleRun) otherRuns.get(i);
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232 if (i is 0 && curr.offset !is 0) {
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233 appendStyleRun(null, offset); // appended string will
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234 // start with the default
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235 // color
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236 }
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237 appendStyleRun(curr.style, offset + curr.offset);
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238 }
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239 } else {
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240 appendStyleRun(null, offset); // appended string will start with
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241 // the default color
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242 }
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243 return this;
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244 }
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245
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246 /**
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247 * Appends the string representation of the given character
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248 * with a style to the {@link StyledString}. The
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249 * appended character will have the given style associated.
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250 *
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251 * @param ch
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252 * the character to append
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253 * @param styler
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254 * the styler to use for styling the character to append or
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255 * <code>null</code> if no styler should be associated with the
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256 * appended character
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257 * @return returns a reference to this object
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258 */
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259 public StyledString append(dchar ch, Styler styler) {
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260 return append(dcharToString(ch), styler);
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261 }
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262
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263 /**
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264 * Appends a string with a style to the {@link StyledString}. The
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265 * appended string will be styled using the given styler.
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266 *
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267 * @param string
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268 * the string to append
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269 * @param styler
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270 * the styler to use for styling the string to append or
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271 * <code>null</code> if no styler should be associated with the
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272 * appended string.
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273 * @return returns a reference to this object
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274 */
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275 public StyledString append(String string, Styler styler) {
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276 if (string.length is 0)
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277 return this;
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278
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279 int offset = fBuffer.length; // the length before appending
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280 fBuffer.append(string);
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281 appendStyleRun(styler, offset);
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282 return this;
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283 }
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284
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285 // /**
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286 // * Appends the string representation of the given character array
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287 // * with a style to the {@link StyledString}. The
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288 // * appended character array will be styled using the given styler.
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289 // *
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290 // * @param chars
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291 // * the character array to append
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292 // * @param styler
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293 // * the styler to use for styling the character array to append or
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294 // * <code>null</code> if no styler should be associated with the
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295 // * appended character array
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296 // * @return returns a reference to this object
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diff changeset
297 // */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
diff changeset
298 // public StyledString append(char[] chars, Styler styler) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
diff changeset
299 // if (chars.length is 0)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
diff changeset
300 // return this;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
301 //
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
302 // int offset = fBuffer.length(); // the length before appending
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
303 // fBuffer.append(chars);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
304 // appendStyleRun(styler, offset);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
305 // return this;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
306 // }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
307
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
308 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
309 * Sets a styler to use for the given source range. The range must be
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
310 * subrange of actual string of this {@link StyledString}. Stylers
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
311 * previously set for that range will be overwritten.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
312 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
313 * @param offset
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
314 * the start offset of the range
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
315 * @param length
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
316 * the length of the range
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
317 * @param styler
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
318 * the styler to set
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
319 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
320 * @throws StringIndexOutOfBoundsException
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
321 * if <code>start</code> is less than zero, or if offset plus
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
322 * length is greater than the length of this object.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
323 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
324 public void setStyle(int offset, int length, Styler styler) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
325 if (offset < 0 || offset + length > fBuffer.length) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
326 throw new IllegalArgumentException (
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
327 Format( "Invalid offset ({}) or length ({})", offset, length )); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
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diff changeset
328 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
329 if (length is 0) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
330 return;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
331 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
332 if (!hasRuns() || getLastRun().offset <= offset) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
333 appendStyleRun(styler, offset);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
334 if (offset + length !is fBuffer.length()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
335 appendStyleRun(null, offset + length);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
336 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
337 return;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
338 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
339
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
340 int endRun = findRun(offset + length);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
341 if (endRun >= 0) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
342 // run with the same end index, nothing to change
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
343 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
344 endRun = -(endRun + 1);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
345 if (offset + length < fBuffer.length()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
346 Styler prevStyle = endRun > 0 ? fStyleRuns.getRun(endRun - 1).style
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parents:
diff changeset
347 : null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
348 fStyleRuns
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Frank Benoit <benoit@tionex.de>
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diff changeset
349 .add(endRun, new StyleRun(offset + length, prevStyle));
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parents:
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350 }
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Frank Benoit <benoit@tionex.de>
parents:
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351 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
352
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
353 int startRun = findRun(offset);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
354 if (startRun >= 0) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
355 // run with the same start index
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
356 StyleRun styleRun = fStyleRuns.getRun(startRun);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
357 styleRun.style = styler;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
358 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
359 startRun = -(startRun + 1);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
360
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
361 Styler prevStyle = startRun > 0 ? fStyleRuns.getRun(startRun - 1).style
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
362 : null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
363 if (isDifferentStyle(prevStyle, styler)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
364 || (startRun is 0 && styler !is null)) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
365 fStyleRuns.add(startRun, new StyleRun(offset, styler));
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
366 endRun++; // endrun is moved one back
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
367 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
368 startRun--; // we use the previous
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
369 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
370 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
371 if (startRun + 1 < endRun) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
372 fStyleRuns.removeRange(startRun + 1, endRun);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
373 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
374 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
375
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
376 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
377 * Returns an array of {@link StyleRange} resulting from applying all
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
378 * associated stylers for this string builder.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
379 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
380 * @return an array of all {@link StyleRange} resulting from applying the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
381 * stored stylers to this string.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
382 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
383 public StyleRange[] getStyleRanges() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
384 if (hasRuns()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
385 ArrayList res = new ArrayList();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
386
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
387 List styleRuns = getStyleRuns();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
388 int offset = 0;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
389 Styler style = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
390 for (int i = 0; i < styleRuns.size(); i++) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
391 StyleRun curr = cast(StyleRun) styleRuns.get(i);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
392 if (isDifferentStyle(curr.style, style)) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
393 if (curr.offset > offset && style !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
394 res.add(createStyleRange(offset, curr.offset, style));
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
395 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
396 offset = curr.offset;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
397 style = curr.style;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
398 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
399 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
400 if (fBuffer.length() > offset && style !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
401 res.add(createStyleRange(offset, fBuffer.length(), style));
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
402 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
403 return arraycast!(StyleRange)(res.toArray());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
404 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
405 return EMPTY;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
406 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
407
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
408 private int findRun(int offset) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
409 // method assumes that fStyleRuns is not null
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
410 int low = 0;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
411 int high = fStyleRuns.size() - 1;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
412 while (low <= high) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
413 int mid = (low + high) / 2;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
414 StyleRun styleRun = fStyleRuns.getRun(mid);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
415 if (styleRun.offset < offset) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
416 low = mid + 1;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
417 } else if (styleRun.offset > offset) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
418 high = mid - 1;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
419 } else {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
420 return mid; // key found
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
421 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
422 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
423 return -(low + 1); // key not found.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
424 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
425
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
426 private StyleRange createStyleRange(int start, int end, Styler style) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
427 StyleRange styleRange = new StyleRange();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
428 styleRange.start = start;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
429 styleRange.length = end - start;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
430 style.applyStyles(styleRange);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
431 return styleRange;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
432 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
433
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
434 private bool hasRuns() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
435 return fStyleRuns !is null && !fStyleRuns.isEmpty();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
436 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
437
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
438 private void appendStyleRun(Styler style, int offset) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
439 StyleRun lastRun = getLastRun();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
440 if (lastRun !is null && lastRun.offset is offset) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
441 lastRun.style = style;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
442 return;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
443 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
444
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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445 if (lastRun is null && style !is null || lastRun !is null
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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446 && isDifferentStyle(style, lastRun.style)) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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447 getStyleRuns().add(new StyleRun(offset, style));
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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448 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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449 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
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450
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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451 private bool isDifferentStyle(Styler style1, Styler style2) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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452 if (style1 is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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453 return style2 !is null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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454 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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455 return !style1.opEquals(style2);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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456 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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457
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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458 private StyleRun getLastRun() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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459 if (fStyleRuns is null || fStyleRuns.isEmpty()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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460 return null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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461 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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462 return fStyleRuns.getRun(fStyleRuns.size() - 1);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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463 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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464
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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465 private List getStyleRuns() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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466 if (fStyleRuns is null)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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467 fStyleRuns = new StyleRunList();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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468 return fStyleRuns;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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469 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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470
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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471 private static class StyleRun {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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472 public int offset;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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473 public Styler style;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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474
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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475 public this(int offset, Styler style) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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476 this.offset = offset;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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477 this.style = style;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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478 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
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479
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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480 public override String toString() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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481 return Format("Offset {}, style: {}", offset, style ); //$NON-NLS-1$//$NON-NLS-2$
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parents:
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482 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
483 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
diff changeset
484
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
diff changeset
485 private static class StyleRunList : ArrayList {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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486 private static final long serialVersionUID = 123L;
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parents:
diff changeset
487
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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488 public this() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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489 super(3);
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490 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
diff changeset
491
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492 public StyleRun getRun(int index) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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493 return cast(StyleRun) get(index);
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494 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
diff changeset
495
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parents:
diff changeset
496 public void removeRange(int fromIndex, int toIndex) {
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diff changeset
497 super.removeRange(fromIndex, toIndex);
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498 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
499 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
500
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parents:
diff changeset
501 private static class DefaultStyler : Styler {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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502 private final String fForegroundColorName;
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parents:
diff changeset
503 private final String fBackgroundColorName;
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parents:
diff changeset
504
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
diff changeset
505 public this(String foregroundColorName,
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diff changeset
506 String backgroundColorName) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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diff changeset
507 fForegroundColorName = foregroundColorName;
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parents:
diff changeset
508 fBackgroundColorName = backgroundColorName;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
509 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
510
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
511 public void applyStyles(TextStyle textStyle) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
diff changeset
512 ColorRegistry colorRegistry = JFaceResources.getColorRegistry();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
513 if (fForegroundColorName !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
514 textStyle.foreground = colorRegistry.get(fForegroundColorName);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
515 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
516 if (fBackgroundColorName !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
517 textStyle.background = colorRegistry.get(fBackgroundColorName);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
518 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
519 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
520 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
521
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
522 }