Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/utils/ThemeUtil.java @ 3815:ecab7e7804a9 pre2.6-2012-01-04
merged flys-backend/pre2.6-2012-01-04
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Fri, 28 Sep 2012 12:14:57 +0200 |
parents | 5746c74c69cf |
children | 4cdd9c4896f6 |
rev | line source |
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1 package de.intevation.flys.utils; |
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2 |
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3 import org.apache.log4j.Logger; |
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4 |
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5 import java.awt.Color; |
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6 import java.awt.Font; |
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7 |
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8 import org.w3c.dom.Document; |
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9 |
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10 import de.intevation.artifacts.common.utils.XMLUtils; |
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11 |
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12 import de.intevation.flys.artifacts.model.MapserverStyle; |
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13 import de.intevation.flys.artifacts.model.MapserverStyle.Clazz; |
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14 import de.intevation.flys.artifacts.model.MapserverStyle.Style; |
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15 import de.intevation.flys.artifacts.model.MapserverStyle.Label; |
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16 |
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17 |
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18 /** |
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19 * Utility to deal with themes and their representations. |
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20 */ |
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21 public class ThemeUtil { |
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22 |
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23 private static Logger logger = |
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24 Logger.getLogger(ThemeUtil.class); |
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25 |
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26 public final static String XPATH_FILL_COLOR = |
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27 "/theme/field[@name='fillcolor']/@default"; |
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28 |
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29 public final static String XPATH_LINE_COLOR = |
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30 "/theme/field[@name='linecolor']/@default"; |
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31 |
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32 public static final String XPATH_LINE_SIZE = |
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33 "/theme/field[@name='linesize']/@default"; |
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34 |
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35 public static final String XPATH_LINE_STYLE = |
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36 "/theme/field[@name='linetype']/@default"; |
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37 |
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38 public final static String XPATH_SHOW_BORDER = |
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39 "/theme/field[@name='showborder']/@default"; |
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40 |
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41 public final static String XPATH_SHOW_POINTS = |
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42 "/theme/field[@name='showpoints']/@default"; |
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43 |
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44 public final static String XPATH_SHOW_LINE = |
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45 "/theme/field[@name='showlines']/@default"; |
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46 |
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47 public final static String XPATH_TRANSPARENCY = |
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48 "/theme/field[@name='transparent']/@default"; |
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49 |
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50 public final static String XPATH_TEXT_COLOR = |
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51 "/theme/field[@name='textcolor']/@default"; |
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52 |
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53 public final static String XPATH_TEXT_SIZE = |
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54 "/theme/field[@name='textsize']/@default"; |
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55 |
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56 public final static String XPATH_TEXT_FONT = |
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57 "/theme/field[@name='font']/@default"; |
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58 |
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59 public final static String XPATH_TEXT_STYLE = |
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60 "/theme/field[@name='textstyle']/@default"; |
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61 |
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62 public final static String XPATH_TEXT_ORIENTATION = |
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63 "/theme/field[@name='textorientation']/@default"; |
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64 |
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65 public final static String XPATH_TEXT_BACKGROUND = |
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66 "/theme/field[@name='backgroundcolor']/@default"; |
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67 |
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68 public final static String XPATH_SHOW_BACKGROUND = |
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69 "/theme/field[@name='showbackground']/@default"; |
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70 |
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71 public final static String XPATH_SYMBOL = |
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72 "/theme/field[@name='symbol']/@default"; |
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73 |
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74 |
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75 /** Parse string to be boolean with default if empty or unrecognized. */ |
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76 public static boolean parseBoolean(String value, boolean defaultsTo) { |
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77 if (value == null || value.length() == 0) { |
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78 return defaultsTo; |
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79 } |
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80 if (value.equals("false")) { |
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81 return false; |
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82 } |
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83 else if (value.equals("true")) { |
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84 return true; |
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85 } |
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86 else { |
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87 return defaultsTo; |
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88 } |
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89 } |
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90 |
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91 |
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92 /** |
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93 * Parses line width, defaulting to 0. |
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94 * @param theme the theme |
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95 */ |
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96 public static int parseLineWidth(Document theme) { |
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97 String size = XMLUtils.xpathString(theme, XPATH_LINE_SIZE, null); |
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98 if (size == null || size.length() == 0) { |
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99 return 0; |
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100 } |
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101 |
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102 try { |
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103 return Integer.valueOf(size); |
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104 } |
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105 catch (NumberFormatException nfe) { |
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106 logger.warn("Unable to set line size from string: '" + size + "'"); |
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107 } |
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108 return 0; |
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109 } |
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110 |
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111 |
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112 /** |
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113 * Parses the line style, defaulting to '10'. |
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114 * @param theme The theme. |
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115 */ |
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116 public static float[] parseLineStyle(Document theme) { |
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117 String dash = XMLUtils.xpathString(theme, XPATH_LINE_STYLE, null); |
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118 |
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119 float[] def = {10}; |
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120 if (dash == null || dash.length() == 0) { |
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121 return def; |
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122 } |
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123 |
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124 String[] pattern = dash.split(","); |
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125 if(pattern.length == 1) { |
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126 return def; |
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127 } |
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128 |
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129 try { |
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130 float[] dashes = new float[pattern.length]; |
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131 for (int i = 0; i < pattern.length; i++) { |
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132 dashes[i] = Float.parseFloat(pattern[i]); |
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133 } |
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134 return dashes; |
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135 } |
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136 catch(NumberFormatException nfe) { |
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137 logger.warn("Unable to set dash from string: '" + dash + "'"); |
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138 return def; |
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139 } |
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140 } |
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141 |
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142 |
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143 /** |
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144 * Parses text size, defaulting to 10. |
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145 * @param theme The theme. |
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146 */ |
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147 public static int parseTextSize(Document theme) { |
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148 String size = XMLUtils.xpathString(theme, XPATH_TEXT_SIZE, null); |
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149 if (size == null || size.length() == 0) { |
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150 return 10; |
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151 } |
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152 |
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153 try { |
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154 return Integer.valueOf(size); |
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155 } |
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156 catch (NumberFormatException nfe) { |
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157 } |
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158 return 10; |
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159 } |
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160 |
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161 |
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162 /** |
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163 * Parses the attribute 'showpoints', defaults to false. |
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164 * @param theme The theme. |
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165 */ |
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166 public static boolean parseShowPoints(Document theme) { |
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167 String show = XMLUtils.xpathString(theme, XPATH_SHOW_POINTS, null); |
2016
796dfe96b6b2
Refactoring, added Style accessors for area styles.
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168 return parseBoolean(show, false); |
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169 } |
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170 |
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171 |
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172 /** |
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173 * Parses the attribute 'showlines', defaults to true. |
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174 * @param theme The theme. |
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175 */ |
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176 public static boolean parseShowLine(Document theme) { |
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177 String show = XMLUtils.xpathString(theme, XPATH_SHOW_LINE, null); |
2016
796dfe96b6b2
Refactoring, added Style accessors for area styles.
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178 return parseBoolean(show, true); |
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179 } |
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180 |
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181 |
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182 /** |
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183 * Parses text color. |
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184 * @param theme The theme. |
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185 */ |
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186 public static Color parseTextColor(Document theme) { |
1876
dd467951335c
Added support for labels in Mapserver layers and options to modify its style.
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187 return parseRGB(getTextColorString(theme)); |
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188 } |
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189 |
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190 |
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191 /** |
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192 * Parses the font. |
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193 * @param theme The theme. |
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194 */ |
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195 public static Font parseTextFont(Document theme) { |
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196 String font = XMLUtils.xpathString(theme, XPATH_TEXT_FONT, null); |
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197 if (font == null || font.length() == 0) { |
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198 return null; |
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199 } |
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200 |
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201 int size = parseTextSize(theme); |
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Renamed text background attribute and parse text attributes correctly.
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202 int style = parseTextStyle(theme); |
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203 Font f = new Font (font, style, size); |
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204 return f; |
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205 } |
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206 |
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207 |
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208 /** |
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209 * Parses the text style, defaults to 'Font.PLAIN'. |
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210 * @param theme The theme. |
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211 */ |
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212 public static int parseTextStyle(Document theme) { |
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213 String style = XMLUtils.xpathString(theme, XPATH_TEXT_STYLE, null); |
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214 if (style == null || style.length() == 0) { |
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215 return Font.PLAIN; |
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216 } |
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217 |
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218 if (style.equals("italic")) { |
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219 return Font.ITALIC; |
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220 } |
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221 else if (style.equals("bold")) { |
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222 return Font.BOLD; |
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223 } |
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224 else { |
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225 return Font.PLAIN; |
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226 } |
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227 } |
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228 |
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229 |
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230 /** |
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231 * Parses the textorientation, defaults to 'vertical'. |
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232 * @param theme The theme. |
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233 */ |
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234 public static String parseTextOrientation(Document theme) { |
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235 String o = XMLUtils.xpathString(theme, XPATH_TEXT_ORIENTATION, null); |
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236 if (o == null || o.length() == 0) { |
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237 return "vertical"; |
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238 } |
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239 if(o.equals("true")) { |
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240 return "horizontal"; |
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241 } |
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242 else { |
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243 return "vertical"; |
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244 } |
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245 } |
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246 |
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247 |
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248 /** |
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249 * Parses the text background color, defaults to white. |
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250 * @param theme The theme. |
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251 */ |
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252 public static Color parseTextBackground(Document theme) { |
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253 String color = getBackgroundColorString(theme); |
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254 if (color == null || color.length() == 0) { |
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255 return Color.WHITE; |
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256 } |
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257 return parseRGB(color); |
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258 } |
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259 |
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260 |
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261 /** |
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262 * Parses the attribute whether to show background or not, defaults to |
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263 * false. |
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264 * @param theme The theme. |
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265 */ |
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266 public static boolean parseShowTextBackground(Document theme) { |
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267 String show = XMLUtils.xpathString(theme, XPATH_SHOW_BACKGROUND, null); |
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268 return parseBoolean(show, false); |
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269 } |
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270 |
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271 |
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272 /** |
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273 * Parse a string like "103, 100, 0" and return a corresping color. |
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274 * @param rgbtext Color as string representation, e.g. "255,0,20". |
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275 * @return Color, null in case of issues. |
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276 */ |
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277 public static Color parseRGB(String rgbtext) { |
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278 if (rgbtext == null) { |
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279 return null; |
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280 } |
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281 String rgb[] = rgbtext.split(","); |
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282 Color c = null; |
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283 try { |
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284 c = new Color( |
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285 Integer.valueOf(rgb[0].trim()), |
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286 Integer.valueOf(rgb[1].trim()), |
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287 Integer.valueOf(rgb[2].trim())); |
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288 } |
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289 catch (NumberFormatException nfe) { |
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290 c = null; |
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291 } |
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292 return c; |
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293 } |
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294 |
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295 |
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296 public static String getLineColorString(Document theme) { |
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297 return XMLUtils.xpathString(theme, XPATH_LINE_COLOR, null); |
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298 } |
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299 |
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300 /** Get show border as string. */ |
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301 public static String getShowBorderString(Document theme) { |
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302 return XMLUtils.xpathString(theme, XPATH_SHOW_BORDER, null); |
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303 } |
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304 |
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305 /** Get fill color as string. */ |
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306 public static String getFillColorString(Document theme) { |
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307 return XMLUtils.xpathString(theme, XPATH_FILL_COLOR, null); |
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308 } |
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309 |
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310 public static String getBackgroundColorString(Document theme) { |
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311 return XMLUtils.xpathString(theme, XPATH_TEXT_BACKGROUND, null); |
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312 } |
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313 |
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314 |
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315 public static String getTextColorString(Document theme) { |
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316 return XMLUtils.xpathString(theme, XPATH_TEXT_COLOR, null); |
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317 } |
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318 |
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319 |
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320 public static String getSymbol(Document theme) { |
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321 return XMLUtils.xpathString(theme, XPATH_SYMBOL, null); |
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322 } |
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323 |
2032
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324 public static String getTransparencyString(Document theme) { |
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325 return XMLUtils.xpathString(theme, XPATH_TRANSPARENCY, null); |
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326 } |
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327 |
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328 |
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329 /** |
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330 * Gets color from color field. |
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331 * @param theme the theme document. |
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332 * @return color. |
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333 */ |
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334 public static Color parseFillColorField(Document theme) { |
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335 return parseRGB(getFillColorString(theme)); |
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336 } |
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337 |
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338 public static boolean parseShowBorder(Document theme) { |
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339 return parseBoolean(getShowBorderString(theme), false); |
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340 } |
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341 |
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342 public static boolean parseTransparency(Document theme) { |
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343 return parseBoolean(getTransparencyString(theme), false); |
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344 } |
2016
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345 |
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346 /** |
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347 * Gets color from color field. |
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348 * @param theme the theme document. |
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349 * @return color. |
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350 */ |
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351 public static Color parseLineColorField(Document theme) { |
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352 return parseRGB(getLineColorString(theme)); |
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353 } |
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354 |
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355 |
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356 public static String createMapserverStyle(Document theme) { |
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357 String symbol = getSymbol(theme); |
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358 String backcolor = getBackgroundColorString(theme); |
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359 String linecolor = getLineColorString(theme); |
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360 |
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361 int linewidth = parseLineWidth(theme); |
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362 |
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363 MapserverStyle ms = new MapserverStyle(); |
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364 |
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365 Clazz c = new Clazz(" "); |
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366 |
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367 Style s = new Style(); |
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368 s.setOutlineColor(linecolor.replace(",", "")); |
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369 |
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370 if (backcolor != null && backcolor.length() > 0) { |
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371 s.setColor(backcolor.replace(",", "")); |
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372 } |
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373 |
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374 s.setSize(linewidth); |
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375 s.setSymbol(symbol); |
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376 c.addItem(s); |
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377 |
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378 String textcolor = getTextColorString(theme); |
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379 int textsize = parseTextSize(theme); |
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380 |
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381 if (textcolor != null && textcolor.length() > 0 && textsize > 0) { |
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382 Label l = new Label(); |
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383 l.setColor(textcolor.replace(",", "")); |
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384 l.setSize(textsize); |
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385 c.addItem(l); |
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386 } |
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387 |
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388 ms.addClazz(c); |
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389 |
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390 return ms.toString(); |
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391 } |
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392 } |
2016
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393 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |