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annotate flys-artifacts/src/main/java/de/intevation/flys/utils/ThemeUtil.java @ 1716:3ca999f507b7

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flys/issue314: Variables in datacage are now case insensitive. flys-artifacts/trunk@2994 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 17 Oct 2011 15:53:03 +0000
parents f708120cb7bc
children 6cdc7a77d3d4
rev   line source
1090
9324839684a4 New theme-related utilities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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1 package de.intevation.flys.utils;
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2
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3 import java.awt.Color;
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4
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5 import org.w3c.dom.Document;
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6
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7 import de.intevation.artifacts.common.utils.XMLUtils;
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8
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9
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10 /**
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11 * Utility to deal with themes and their representations.
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12 */
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13 public class ThemeUtil {
1711
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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14 public final static String XPATH_LINE_COLOR =
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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15 "/theme/field[@name='linecolor']/@default";
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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16
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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17 public static final String XPATH_LINE_SIZE =
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1090
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18 "/theme/field[@name='linesize']/@default";
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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19
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1090
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20
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1090
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21 /**
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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22 * Parses line width, defaulting to 0.
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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23 * @param theme the theme
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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24 */
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25 public static int parseLineWidth(Document theme) {
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26 String size = XMLUtils.xpathString(theme, XPATH_LINE_SIZE, null);
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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27 if (size == null || size.length() == 0) {
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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28 return 0;
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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29 }
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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parents: 1090
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30
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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31 try {
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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32 return Integer.valueOf(size);
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33 }
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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34 catch (NumberFormatException nfe) {
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
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35 //logger.warn("Unable to set line size from string: '" + size + "'");
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36 }
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1090
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37 return 0;
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1090
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38 }
f708120cb7bc Fix flys/issue363 (W-INFO/ Abflusskurve, Extremwert-Rendering).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1090
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39
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40
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41 /**
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42 * Parse a string like "103, 100, 0" and return a corresping color.
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43 * @param rgbtext Color as string representation, e.g. "255,0,20".
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44 * @return Color, null in case of issues.
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45 */
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46 public static Color parseRGB(String rgbtext) {
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47 if (rgbtext == null) {
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48 return null;
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49 }
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50 String rgb[] = rgbtext.split(",");
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51 Color c = null;
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52 try {
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53 c = new Color(
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54 Integer.valueOf(rgb[0].trim()),
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55 Integer.valueOf(rgb[1].trim()),
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56 Integer.valueOf(rgb[2].trim()));
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57 }
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58 catch (NumberFormatException nfe) {
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59 c = null;
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60 }
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61 return c;
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62 }
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63
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64 /**
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65 * Gets color from color field.
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66 * @param theme the theme document.
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67 * @return color.
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68 */
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69 public static Color parseLineColorField(Document theme) {
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70 String color = XMLUtils.xpathString(theme, XPATH_LINE_COLOR, null);
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71 return parseRGB(color);
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72 }
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73 }
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