felix@1090: package de.intevation.flys.utils;
felix@1090: 
raimund@1738: import org.apache.log4j.Logger;
raimund@1738: 
felix@1090: import java.awt.Color;
raimund@1738: import java.awt.Font;
felix@1090: 
felix@1090: import org.w3c.dom.Document;
felix@1090: 
felix@1090: import de.intevation.artifacts.common.utils.XMLUtils;
felix@1090: 
felix@1090: 
felix@1090: /**
felix@1090:  * Utility to deal with themes and their representations.
felix@1090:  */
felix@1090: public class ThemeUtil {
raimund@1738: 
raimund@1738:     private static Logger logger =
raimund@1738:         Logger.getLogger(ThemeUtil.class);
raimund@1738: 
felix@1711:     public final static String XPATH_LINE_COLOR =
felix@1711:         "/theme/field[@name='linecolor']/@default";
felix@1711: 
felix@1711:     public static final String XPATH_LINE_SIZE =
felix@1711:         "/theme/field[@name='linesize']/@default";
felix@1711: 
raimund@1753:     public static final String XPATH_LINE_STYLE =
raimund@1753:         "/theme/field[@name='linetype']/@default";
raimund@1753: 
raimund@1748:     public final static String XPATH_SHOW_POINTS =
raimund@1748:         "/theme/field[@name='showpoints']/@default";
raimund@1748: 
raimund@1753:     public final static String XPATH_SHOW_LINE =
raimund@1753:         "/theme/field[@name='showlines']/@default";
raimund@1753: 
raimund@1738:     public final static String XPATH_TEXT_COLOR =
raimund@1738:         "/theme/field[@name='textcolor']/@default";
raimund@1738: 
raimund@1738:     public final static String XPATH_TEXT_SIZE =
raimund@1738:         "/theme/field[@name='textsize']/@default";
raimund@1738: 
raimund@1738:     public final static String XPATH_TEXT_FONT =
raimund@1738:         "/theme/field[@name='font']/@default";
felix@1711: 
raimund@1748:     public final static String XPATH_TEXT_STYLE =
raimund@1748:         "/theme/field[@name='textstyle']/@default";
raimund@1748: 
raimund@1748:     public final static String XPATH_TEXT_ORIENTATION =
raimund@1748:         "/theme/field[@name='textorientation']/@default";
raimund@1748: 
raimund@1748:     public final static String XPATH_TEXT_BACKGROUND =
raimund@1750:         "/theme/field[@name='backgroundcolor']/@default";
raimund@1748: 
raimund@1748:     public final static String XPATH_SHOW_BACKGROUND =
raimund@1748:         "/theme/field[@name='showbackground']/@default";
raimund@1748: 
felix@1711:     /**
felix@1711:      * Parses line width, defaulting to 0.
felix@1711:      * @param theme the theme
felix@1711:      */
felix@1711:     public static int parseLineWidth(Document theme) {
felix@1711:         String size = XMLUtils.xpathString(theme, XPATH_LINE_SIZE, null);
felix@1711:         if (size == null || size.length() == 0) {
felix@1711:             return 0;
felix@1711:         }
felix@1711: 
felix@1711:         try {
felix@1711:             return Integer.valueOf(size);
felix@1711:         }
felix@1711:         catch (NumberFormatException nfe) {
raimund@1753:             logger.warn("Unable to set line size from string: '" + size + "'");
felix@1711:         }
felix@1711:         return 0;
felix@1711:     }
felix@1711: 
felix@1090: 
felix@1090:     /**
raimund@1753:      * Parses the line style, defaulting to '10'.
raimund@1753:      * @param theme The theme.
raimund@1753:      */
raimund@1753:     public static float[] parseLineStyle(Document theme) {
raimund@1753:         String dash = XMLUtils.xpathString(theme, XPATH_LINE_STYLE, null);
raimund@1753: 
raimund@1753:         float[] def = {10};
raimund@1753:         if (dash == null || dash.length() == 0) {
raimund@1753:             return def;
raimund@1753:         }
raimund@1753: 
raimund@1753:         String[] pattern = dash.split(",");
raimund@1753:         if(pattern.length == 1) {
raimund@1753:             return def;
raimund@1753:         }
raimund@1753: 
raimund@1753:         try {
raimund@1753:             float[] dashes = new float[pattern.length];
raimund@1753:             for (int i = 0; i < pattern.length; i++) {
raimund@1753:                 dashes[i] = Float.parseFloat(pattern[i]);
raimund@1753:             }
raimund@1753:             return dashes;
raimund@1753:         }
raimund@1753:         catch(NumberFormatException nfe) {
raimund@1753:             logger.warn("Unable to set dash from string: '" + dash + "'");
raimund@1753:             return def;
raimund@1753:         }
raimund@1753:     }
raimund@1753: 
raimund@1753: 
raimund@1753:     /**
raimund@1738:      * Parses text size, defaulting to 10.
raimund@1738:      * @param theme The theme.
raimund@1738:      */
raimund@1738:     public static int parseTextSize(Document theme) {
raimund@1738:         String size = XMLUtils.xpathString(theme, XPATH_TEXT_SIZE, null);
raimund@1738:         if (size == null || size.length() == 0) {
raimund@1738:             return 10;
raimund@1738:         }
raimund@1738: 
raimund@1738:         try {
raimund@1738:             return Integer.valueOf(size);
raimund@1738:         }
raimund@1738:         catch (NumberFormatException nfe) {
raimund@1738:         }
raimund@1738:         return 10;
raimund@1738:     }
raimund@1738: 
raimund@1738: 
raimund@1738:     /**
raimund@1748:      * Parses the attribute 'showpoints', defaults to false.
raimund@1748:      * @param theme The theme.
raimund@1748:      */
raimund@1748:     public static boolean parseShowPoints(Document theme) {
raimund@1748:         String show = XMLUtils.xpathString(theme, XPATH_SHOW_POINTS, null);
raimund@1748:         if (show == null || show.length() == 0) {
raimund@1748:             return false;
raimund@1748:         }
raimund@1748:         if (show.equals("true")) {
raimund@1748:             return true;
raimund@1748:         }
raimund@1748:         else {
raimund@1748:             return false;
raimund@1748:         }
raimund@1748:     }
raimund@1748: 
raimund@1748: 
raimund@1748:     /**
raimund@1753:      * Parses the attribute 'showlines', defaults to true.
raimund@1753:      * @param theme The theme.
raimund@1753:      */
raimund@1753:     public static boolean parseShowLine(Document theme) {
raimund@1753:         String show = XMLUtils.xpathString(theme, XPATH_SHOW_LINE, null);
raimund@1753:         if (show == null || show.length() == 0) {
raimund@1753:             return true;
raimund@1753:         }
raimund@1753:         if (show.equals("false")) {
raimund@1753:             return false;
raimund@1753:         }
raimund@1753:         else {
raimund@1753:             return true;
raimund@1753:         }
raimund@1753:     }
raimund@1753: 
raimund@1753: 
raimund@1753:     /**
raimund@1738:      * Parses text color.
raimund@1738:      * @param theme The theme.
raimund@1738:      */
raimund@1738:     public static Color parseTextColor(Document theme) {
raimund@1738:         String color = XMLUtils.xpathString(theme, XPATH_TEXT_COLOR, null);
raimund@1738:         return parseRGB(color);
raimund@1738:     }
raimund@1738: 
raimund@1738: 
raimund@1738:     /**
raimund@1738:      * Parses the font.
raimund@1738:      * @param theme The theme.
raimund@1738:      */
raimund@1738:     public static Font parseTextFont(Document theme) {
raimund@1738:         String font = XMLUtils.xpathString(theme, XPATH_TEXT_FONT, null);
raimund@1738:         if (font == null || font.length() == 0) {
raimund@1738:             return null;
raimund@1738:         }
raimund@1738: 
raimund@1738:         int size = parseTextSize(theme);
raimund@1750:         int style = parseTextStyle(theme);
raimund@1750:         Font f = new Font (font, style, size);
raimund@1738:         return f;
raimund@1738:     }
raimund@1738: 
raimund@1738: 
raimund@1738:     /**
raimund@1748:      * Parses the text style, defaults to 'Font.PLAIN'.
raimund@1748:      * @param theme The theme.
raimund@1748:      */
raimund@1748:     public static int parseTextStyle(Document theme) {
raimund@1748:         String style = XMLUtils.xpathString(theme, XPATH_TEXT_STYLE, null);
raimund@1748:         if (style == null || style.length() == 0) {
raimund@1748:             return Font.PLAIN;
raimund@1748:         }
raimund@1748: 
raimund@1748:         if (style.equals("italic")) {
raimund@1748:             return Font.ITALIC;
raimund@1748:         }
raimund@1748:         else if (style.equals("bold")) {
raimund@1748:             return Font.BOLD;
raimund@1748:         }
raimund@1748:         else {
raimund@1748:             return Font.PLAIN;
raimund@1748:         }
raimund@1748:     }
raimund@1748: 
raimund@1748: 
raimund@1748:     /**
raimund@1748:      * Parses the textorientation, defaults to 'vertical'.
raimund@1748:      * @param theme The theme.
raimund@1748:      */
raimund@1748:     public static String parseTextOrientation(Document theme) {
raimund@1748:         String o = XMLUtils.xpathString(theme, XPATH_TEXT_ORIENTATION, null);
raimund@1748:         if (o == null || o.length() == 0) {
raimund@1748:             return "vertical";
raimund@1748:         }
raimund@1750:         if(o.equals("true")) {
raimund@1750:             return "horizontal";
raimund@1750:         }
raimund@1750:         else {
raimund@1750:             return "vertical";
raimund@1750:         }
raimund@1748:     }
raimund@1748: 
raimund@1748: 
raimund@1748:     /**
raimund@1748:      * Parses the text background color, defaults to white.
raimund@1748:      * @param theme The theme.
raimund@1748:      */
raimund@1748:     public static Color parseTextBackground(Document theme) {
raimund@1748:         String color = XMLUtils.xpathString(theme, XPATH_TEXT_BACKGROUND, null);
raimund@1748:         if (color == null || color.length() == 0) {
raimund@1748:             return Color.WHITE;
raimund@1748:         }
raimund@1748:         return parseRGB(color);
raimund@1748:     }
raimund@1748: 
raimund@1748: 
raimund@1748:     /**
raimund@1748:      * Parses the attribute whether to show background or not, defaults to
raimund@1748:      * false.
raimund@1748:      * @param theme The theme.
raimund@1748:      */
raimund@1748:     public static boolean parseShowTextBackground(Document theme) {
raimund@1748:         String show = XMLUtils.xpathString(theme, XPATH_SHOW_BACKGROUND, null);
raimund@1748:         if(show == null || show.length() == 0) {
raimund@1748:             return false;
raimund@1748:         }
raimund@1748: 
raimund@1748:         if(show.equals("true")) {
raimund@1748:             return true;
raimund@1748:         }
raimund@1748:         else {
raimund@1748:             return false;
raimund@1748:         }
raimund@1748:     }
raimund@1748: 
raimund@1748: 
raimund@1748:     /**
felix@1090:      * Parse a string like "103, 100, 0" and return a corresping color.
felix@1090:      * @param rgbtext Color as string representation, e.g. "255,0,20".
felix@1090:      * @return Color, null in case of issues.
felix@1090:      */
felix@1090:     public static Color parseRGB(String rgbtext) {
felix@1090:         if (rgbtext == null) {
felix@1090:             return null;
felix@1090:         }
felix@1090:         String rgb[] = rgbtext.split(",");
felix@1090:         Color c = null;
felix@1090:         try {
felix@1090:             c = new Color(
felix@1090:                     Integer.valueOf(rgb[0].trim()),
felix@1090:                     Integer.valueOf(rgb[1].trim()),
felix@1090:                     Integer.valueOf(rgb[2].trim()));
felix@1090:         }
felix@1090:         catch (NumberFormatException nfe) {
felix@1090:             c = null;
felix@1090:         }
felix@1090:         return c;
felix@1090:     }
felix@1090: 
raimund@1748: 
felix@1090:     /**
felix@1090:      * Gets color from color field.
felix@1090:      * @param theme    the theme document.
felix@1090:      * @return color.
felix@1090:      */
felix@1090:     public static Color parseLineColorField(Document theme) {
felix@1090:         String color = XMLUtils.xpathString(theme, XPATH_LINE_COLOR, null);
felix@1090:         return parseRGB(color);
felix@1090:     }
felix@1090: }