Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/utils/ThemeUtil.java @ 1748:d56b94325bec

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Added methods to extract further attributes from theme. flys-artifacts/trunk@3048 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Thu, 20 Oct 2011 14:26:22 +0000
parents 6cdc7a77d3d4
children 415ec0223dff
rev   line source
1090
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
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
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13 /**
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14 * Utility to deal with themes and their representations.
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15 */
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16 public class ThemeUtil {
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17
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18 private static Logger logger =
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19 Logger.getLogger(ThemeUtil.class);
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20
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f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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21 public final static String XPATH_LINE_COLOR =
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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22 "/theme/field[@name='linecolor']/@default";
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23
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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24 public static final String XPATH_LINE_SIZE =
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25 "/theme/field[@name='linesize']/@default";
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26
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27 public final static String XPATH_SHOW_POINTS =
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28 "/theme/field[@name='showpoints']/@default";
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29
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30 public final static String XPATH_TEXT_COLOR =
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31 "/theme/field[@name='textcolor']/@default";
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32
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33 public final static String XPATH_TEXT_SIZE =
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34 "/theme/field[@name='textsize']/@default";
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35
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36 public final static String XPATH_TEXT_FONT =
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37 "/theme/field[@name='font']/@default";
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38
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39 public final static String XPATH_TEXT_STYLE =
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40 "/theme/field[@name='textstyle']/@default";
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41
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42 public final static String XPATH_TEXT_ORIENTATION =
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43 "/theme/field[@name='textorientation']/@default";
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44
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45 public final static String XPATH_TEXT_BACKGROUND =
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46 "/theme/field[@name='textbackground']/@default";
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47
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48 public final static String XPATH_SHOW_BACKGROUND =
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49 "/theme/field[@name='showbackground']/@default";
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50
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51 /**
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52 * Parses line width, defaulting to 0.
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53 * @param theme the theme
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54 */
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55 public static int parseLineWidth(Document theme) {
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56 String size = XMLUtils.xpathString(theme, XPATH_LINE_SIZE, null);
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57 if (size == null || size.length() == 0) {
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58 return 0;
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59 }
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60
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61 try {
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62 return Integer.valueOf(size);
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63 }
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64 catch (NumberFormatException nfe) {
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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65 //logger.warn("Unable to set line size from string: '" + size + "'");
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66 }
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67 return 0;
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68 }
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69
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70
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71 /**
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72 * Parses text size, defaulting to 10.
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73 * @param theme The theme.
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74 */
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75 public static int parseTextSize(Document theme) {
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76 String size = XMLUtils.xpathString(theme, XPATH_TEXT_SIZE, null);
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77 if (size == null || size.length() == 0) {
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78 return 10;
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79 }
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80
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81 try {
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82 return Integer.valueOf(size);
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83 }
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84 catch (NumberFormatException nfe) {
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85 }
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86 return 10;
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87 }
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88
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89
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90 /**
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91 * Parses the attribute 'showpoints', defaults to false.
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92 * @param theme The theme.
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93 */
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94 public static boolean parseShowPoints(Document theme) {
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95 String show = XMLUtils.xpathString(theme, XPATH_SHOW_POINTS, null);
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96 if (show == null || show.length() == 0) {
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97 return false;
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98 }
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99 if (show.equals("true")) {
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100 return true;
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101 }
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102 else {
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103 return false;
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104 }
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105 }
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106
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107
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108 /**
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109 * Parses text color.
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110 * @param theme The theme.
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111 */
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112 public static Color parseTextColor(Document theme) {
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113 String color = XMLUtils.xpathString(theme, XPATH_TEXT_COLOR, null);
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114 return parseRGB(color);
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115 }
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116
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117
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118 /**
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119 * Parses the font.
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120 * @param theme The theme.
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121 */
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122 public static Font parseTextFont(Document theme) {
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123 String font = XMLUtils.xpathString(theme, XPATH_TEXT_FONT, null);
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124 if (font == null || font.length() == 0) {
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125 return null;
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126 }
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127
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128 int size = parseTextSize(theme);
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129 Font f = new Font (font, 0, size);
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130 return f;
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131 }
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132
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133
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134 /**
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135 * Parses the text style, defaults to 'Font.PLAIN'.
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136 * @param theme The theme.
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Raimund Renkert <raimund.renkert@intevation.de>
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137 */
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138 public static int parseTextStyle(Document theme) {
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139 String style = XMLUtils.xpathString(theme, XPATH_TEXT_STYLE, null);
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140 if (style == null || style.length() == 0) {
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141 return Font.PLAIN;
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142 }
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143
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144 if (style.equals("italic")) {
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145 return Font.ITALIC;
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146 }
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147 else if (style.equals("bold")) {
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148 return Font.BOLD;
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149 }
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150 else {
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151 return Font.PLAIN;
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152 }
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parents: 1738
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153 }
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154
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155
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Raimund Renkert <raimund.renkert@intevation.de>
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156 /**
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157 * Parses the textorientation, defaults to 'vertical'.
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158 * @param theme The theme.
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 1738
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159 */
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160 public static String parseTextOrientation(Document theme) {
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161 String o = XMLUtils.xpathString(theme, XPATH_TEXT_ORIENTATION, null);
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parents: 1738
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162 if (o == null || o.length() == 0) {
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163 return "vertical";
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164 }
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165 return o;
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166 }
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167
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168
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Raimund Renkert <raimund.renkert@intevation.de>
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169 /**
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parents: 1738
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170 * Parses the text background color, defaults to white.
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 1738
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171 * @param theme The theme.
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Raimund Renkert <raimund.renkert@intevation.de>
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172 */
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173 public static Color parseTextBackground(Document theme) {
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174 String color = XMLUtils.xpathString(theme, XPATH_TEXT_BACKGROUND, null);
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diff changeset
175 if (color == null || color.length() == 0) {
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176 return Color.WHITE;
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177 }
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178 return parseRGB(color);
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179 }
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180
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181
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182 /**
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parents: 1738
diff changeset
183 * Parses the attribute whether to show background or not, defaults to
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184 * false.
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185 * @param theme The theme.
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Raimund Renkert <raimund.renkert@intevation.de>
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186 */
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187 public static boolean parseShowTextBackground(Document theme) {
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188 String show = XMLUtils.xpathString(theme, XPATH_SHOW_BACKGROUND, null);
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189 if(show == null || show.length() == 0) {
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190 return false;
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parents: 1738
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191 }
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diff changeset
192
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193 if(show.equals("true")) {
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194 return true;
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195 }
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196 else {
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diff changeset
197 return false;
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198 }
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diff changeset
199 }
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parents: 1738
diff changeset
200
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diff changeset
201
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parents: 1738
diff changeset
202 /**
1090
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parents:
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203 * Parse a string like "103, 100, 0" and return a corresping color.
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parents:
diff changeset
204 * @param rgbtext Color as string representation, e.g. "255,0,20".
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parents:
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205 * @return Color, null in case of issues.
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parents:
diff changeset
206 */
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parents:
diff changeset
207 public static Color parseRGB(String rgbtext) {
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parents: 1711
diff changeset
208 logger.debug("parseColor: " + rgbtext);
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parents:
diff changeset
209 if (rgbtext == null) {
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parents:
diff changeset
210 return null;
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
211 }
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
212 String rgb[] = rgbtext.split(",");
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parents:
diff changeset
213 Color c = null;
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
214 try {
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
215 c = new Color(
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
216 Integer.valueOf(rgb[0].trim()),
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
217 Integer.valueOf(rgb[1].trim()),
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
218 Integer.valueOf(rgb[2].trim()));
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
219 }
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
220 catch (NumberFormatException nfe) {
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
221 c = null;
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
222 }
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
223 return c;
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
224 }
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
225
1748
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parents: 1738
diff changeset
226
1090
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
227 /**
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
228 * Gets color from color field.
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
229 * @param theme the theme document.
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
230 * @return color.
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
231 */
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
232 public static Color parseLineColorField(Document theme) {
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
233 String color = XMLUtils.xpathString(theme, XPATH_LINE_COLOR, null);
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
234 return parseRGB(color);
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
235 }
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
236 }
http://dive4elements.wald.intevation.org