Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/utils/ThemeUtil.java @ 1975:b30e1710df1d
Server-side of interactive cross-section diagrams.
flys-artifacts/trunk@3394 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Tue, 13 Dec 2011 09:10:48 +0000 |
parents | 84cf67a2a19e |
children | 796dfe96b6b2 |
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package de.intevation.flys.utils; import org.apache.log4j.Logger; import java.awt.Color; import java.awt.Font; import org.w3c.dom.Document; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.flys.artifacts.model.MapserverStyle; import de.intevation.flys.artifacts.model.MapserverStyle.Clazz; import de.intevation.flys.artifacts.model.MapserverStyle.Style; import de.intevation.flys.artifacts.model.MapserverStyle.Label; /** * Utility to deal with themes and their representations. */ public class ThemeUtil { private static Logger logger = Logger.getLogger(ThemeUtil.class); public final static String XPATH_LINE_COLOR = "/theme/field[@name='linecolor']/@default"; public static final String XPATH_LINE_SIZE = "/theme/field[@name='linesize']/@default"; public static final String XPATH_LINE_STYLE = "/theme/field[@name='linetype']/@default"; public final static String XPATH_SHOW_POINTS = "/theme/field[@name='showpoints']/@default"; public final static String XPATH_SHOW_LINE = "/theme/field[@name='showlines']/@default"; public final static String XPATH_TEXT_COLOR = "/theme/field[@name='textcolor']/@default"; public final static String XPATH_TEXT_SIZE = "/theme/field[@name='textsize']/@default"; public final static String XPATH_TEXT_FONT = "/theme/field[@name='font']/@default"; public final static String XPATH_TEXT_STYLE = "/theme/field[@name='textstyle']/@default"; public final static String XPATH_TEXT_ORIENTATION = "/theme/field[@name='textorientation']/@default"; public final static String XPATH_TEXT_BACKGROUND = "/theme/field[@name='backgroundcolor']/@default"; public final static String XPATH_SHOW_BACKGROUND = "/theme/field[@name='showbackground']/@default"; public final static String XPATH_SYMBOL = "/theme/field[@name='symbol']/@default"; /** * Parses line width, defaulting to 0. * @param theme the theme */ public static int parseLineWidth(Document theme) { String size = XMLUtils.xpathString(theme, XPATH_LINE_SIZE, null); if (size == null || size.length() == 0) { return 0; } try { return Integer.valueOf(size); } catch (NumberFormatException nfe) { logger.warn("Unable to set line size from string: '" + size + "'"); } return 0; } /** * Parses the line style, defaulting to '10'. * @param theme The theme. */ public static float[] parseLineStyle(Document theme) { String dash = XMLUtils.xpathString(theme, XPATH_LINE_STYLE, null); float[] def = {10}; if (dash == null || dash.length() == 0) { return def; } String[] pattern = dash.split(","); if(pattern.length == 1) { return def; } try { float[] dashes = new float[pattern.length]; for (int i = 0; i < pattern.length; i++) { dashes[i] = Float.parseFloat(pattern[i]); } return dashes; } catch(NumberFormatException nfe) { logger.warn("Unable to set dash from string: '" + dash + "'"); return def; } } /** * Parses text size, defaulting to 10. * @param theme The theme. */ public static int parseTextSize(Document theme) { String size = XMLUtils.xpathString(theme, XPATH_TEXT_SIZE, null); if (size == null || size.length() == 0) { return 10; } try { return Integer.valueOf(size); } catch (NumberFormatException nfe) { } return 10; } /** * Parses the attribute 'showpoints', defaults to false. * @param theme The theme. */ public static boolean parseShowPoints(Document theme) { String show = XMLUtils.xpathString(theme, XPATH_SHOW_POINTS, null); if (show == null || show.length() == 0) { return false; } if (show.equals("true")) { return true; } else { return false; } } /** * Parses the attribute 'showlines', defaults to true. * @param theme The theme. */ public static boolean parseShowLine(Document theme) { String show = XMLUtils.xpathString(theme, XPATH_SHOW_LINE, null); if (show == null || show.length() == 0) { return true; } if (show.equals("false")) { return false; } else { return true; } } /** * Parses text color. * @param theme The theme. */ public static Color parseTextColor(Document theme) { return parseRGB(getTextColorString(theme)); } /** * Parses the font. * @param theme The theme. */ public static Font parseTextFont(Document theme) { String font = XMLUtils.xpathString(theme, XPATH_TEXT_FONT, null); if (font == null || font.length() == 0) { return null; } int size = parseTextSize(theme); int style = parseTextStyle(theme); Font f = new Font (font, style, size); return f; } /** * Parses the text style, defaults to 'Font.PLAIN'. * @param theme The theme. */ public static int parseTextStyle(Document theme) { String style = XMLUtils.xpathString(theme, XPATH_TEXT_STYLE, null); if (style == null || style.length() == 0) { return Font.PLAIN; } if (style.equals("italic")) { return Font.ITALIC; } else if (style.equals("bold")) { return Font.BOLD; } else { return Font.PLAIN; } } /** * Parses the textorientation, defaults to 'vertical'. * @param theme The theme. */ public static String parseTextOrientation(Document theme) { String o = XMLUtils.xpathString(theme, XPATH_TEXT_ORIENTATION, null); if (o == null || o.length() == 0) { return "vertical"; } if(o.equals("true")) { return "horizontal"; } else { return "vertical"; } } /** * Parses the text background color, defaults to white. * @param theme The theme. */ public static Color parseTextBackground(Document theme) { String color = getBackgroundColorString(theme); if (color == null || color.length() == 0) { return Color.WHITE; } return parseRGB(color); } /** * Parses the attribute whether to show background or not, defaults to * false. * @param theme The theme. */ public static boolean parseShowTextBackground(Document theme) { String show = XMLUtils.xpathString(theme, XPATH_SHOW_BACKGROUND, null); if(show == null || show.length() == 0) { return false; } if(show.equals("true")) { return true; } else { return false; } } /** * Parse a string like "103, 100, 0" and return a corresping color. * @param rgbtext Color as string representation, e.g. "255,0,20". * @return Color, null in case of issues. */ public static Color parseRGB(String rgbtext) { if (rgbtext == null) { return null; } String rgb[] = rgbtext.split(","); Color c = null; try { c = new Color( Integer.valueOf(rgb[0].trim()), Integer.valueOf(rgb[1].trim()), Integer.valueOf(rgb[2].trim())); } catch (NumberFormatException nfe) { c = null; } return c; } public static String getLineColorString(Document theme) { return XMLUtils.xpathString(theme, XPATH_LINE_COLOR, null); } public static String getBackgroundColorString(Document theme) { return XMLUtils.xpathString(theme, XPATH_TEXT_BACKGROUND, null); } public static String getTextColorString(Document theme) { return XMLUtils.xpathString(theme, XPATH_TEXT_COLOR, null); } public static String getSymbol(Document theme) { return XMLUtils.xpathString(theme, XPATH_SYMBOL, null); } /** * Gets color from color field. * @param theme the theme document. * @return color. */ public static Color parseLineColorField(Document theme) { return parseRGB(getLineColorString(theme)); } public static String createMapserverStyle(Document theme) { String symbol = getSymbol(theme); String backcolor = getBackgroundColorString(theme); String linecolor = getLineColorString(theme); int linewidth = parseLineWidth(theme); MapserverStyle ms = new MapserverStyle(); Clazz c = new Clazz(" "); Style s = new Style(); s.setOutlineColor(linecolor.replace(",", "")); if (backcolor != null && backcolor.length() > 0) { s.setColor(backcolor.replace(",", "")); } s.setSize(linewidth); s.setSymbol(symbol); c.addItem(s); String textcolor = getTextColorString(theme); int textsize = parseTextSize(theme); if (textcolor != null && textcolor.length() > 0 && textsize > 0) { Label l = new Label(); l.setColor(textcolor.replace(",", "")); l.setSize(textsize); c.addItem(l); } ms.addClazz(c); return ms.toString(); } }