teichmann@6905: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@6905:  * Software engineering by Intevation GmbH
teichmann@6905:  *
teichmann@6905:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@6905:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@6905:  * documentation coming with Dive4Elements River for details.
teichmann@6905:  */
teichmann@6905: 
teichmann@6905: package org.dive4elements.river.themes;
teichmann@6905: 
teichmann@6905: import java.awt.Color;
teichmann@6905: import java.awt.Font;
teichmann@6905: 
teichmann@6906: import org.apache.log4j.Logger;
teichmann@6905: import org.dive4elements.artifacts.CallMeta;
teichmann@6906: import org.dive4elements.artifacts.common.utils.XMLUtils;
teichmann@6906: import org.dive4elements.river.artifacts.model.MapserverStyle;
teichmann@6906: import org.dive4elements.river.artifacts.model.MapserverStyle.Clazz;
teichmann@6906: import org.dive4elements.river.artifacts.model.MapserverStyle.Expression;
teichmann@6906: import org.dive4elements.river.artifacts.model.MapserverStyle.Label;
teichmann@6906: import org.dive4elements.river.artifacts.model.MapserverStyle.Style;
teichmann@6906: import org.dive4elements.river.artifacts.resources.Resources;
teichmann@6905: import org.w3c.dom.Document;
teichmann@6905: 
teichmann@6905: public class ThemeDocument
teichmann@6905: {
teichmann@6906:     private static Logger logger = Logger.getLogger(ThemeDocument.class);
teichmann@6906: 
teichmann@6906:     private static final String MSG_ISOBATH_CLASS = "floodmap.isobath.class";
teichmann@6906: 
teichmann@6906:     private static final String MSG_ISOBATH_LASTCLASS = "floodmap.isobath.lastclass";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_FILL_COLOR =
teichmann@6906:             "/theme/field[@name='fillcolor']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_LINE_COLOR =
teichmann@6906:             "/theme/field[@name='linecolor']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_AREA_LINE_COLOR =
teichmann@6906:             "/theme/field[@name='areabordercolor']/@default";
teichmann@6906: 
teichmann@6906:     public static final String XPATH_LINE_SIZE =
teichmann@6906:             "/theme/field[@name='linesize']/@default";
teichmann@6906: 
teichmann@6906:     public static final String XPATH_LINE_STYLE =
teichmann@6906:             "/theme/field[@name='linetype']/@default";
teichmann@6906: 
teichmann@6906:     public static final String XPATH_POINT_SIZE =
teichmann@6906:             "/theme/field[@name='pointsize']/@default";
teichmann@6906: 
teichmann@6906:     public static final String XPATH_POINT_COLOR =
teichmann@6906:             "/theme/field[@name='pointcolor']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_BORDER =
teichmann@6906:             "/theme/field[@name='showborder']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_AREA_SHOW_BORDER =
teichmann@6906:             "/theme/field[@name='showborder']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_POINTS =
teichmann@6906:             "/theme/field[@name='showpoints']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_LINE =
teichmann@6906:             "/theme/field[@name='showlines']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_VERTICAL_LINE =
teichmann@6906:             "/theme/field[@name='showverticalline']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_HORIZONTAL_LINE =
teichmann@6906:             "/theme/field[@name='showhorizontalline']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_LINE_LABEL =
teichmann@6906:             "/theme/field[@name='showlinelabel']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_POINT_LABEL =
teichmann@6906:             "/theme/field[@name='showpointlabel']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_WIDTH =
teichmann@6906:             "/theme/field[@name='showwidth']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_LEVEL =
teichmann@6906:             "/theme/field[@name='showlevel']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_TRANSPARENCY =
teichmann@6906:             "/theme/field[@name='transparency']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_AREA_TRANSPARENCY =
teichmann@6906:             "/theme/field[@name='areatransparency']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_AREA =
teichmann@6906:             "/theme/field[@name='showarea']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_MIDDLE_HEIGHT =
teichmann@6906:             "/theme/field[@name='showmiddleheight']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_LABEL_FONT_COLOR =
teichmann@6906:             "/theme/field[@name='labelfontcolor']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_LABEL_FONT_SIZE =
teichmann@6906:             "/theme/field[@name='labelfontsize']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_LABEL_FONT_FACE =
teichmann@6906:             "/theme/field[@name='labelfontface']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_LABEL_FONT_STYLE =
teichmann@6906:             "/theme/field[@name='labelfontstyle']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_TEXT_ORIENTATION =
teichmann@6906:             "/theme/field[@name='textorientation']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_LABEL_BGCOLOR =
teichmann@6906:             "/theme/field[@name='labelbgcolor']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_LABEL_SHOW_BACKGROUND =
teichmann@6906:             "/theme/field[@name='labelshowbg']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_BACKGROUND_COLOR =
teichmann@6906:             "/theme/field[@name='backgroundcolor']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_AREA_BACKGROUND_COLOR =
teichmann@6906:             "/theme/field[@name='areabgcolor']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SYMBOL =
teichmann@6906:             "/theme/field[@name='symbol']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_MINIMUM =
teichmann@6906:             "/theme/field[@name='showminimum']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_SHOW_MAXIMUM =
teichmann@6906:             "/theme/field[@name='showmaximum']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_WSPLGEN_FIELDS =
teichmann@6906:             "/theme[@name='WSPLGEN']/field";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_WSPLGEN_STARTCOLOR =
teichmann@6906:             "/theme/field[@name='startcolor']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_WSPLGEN_ENDCOLOR =
teichmann@6906:             "/theme/field[@name='endcolor']/@default";
teichmann@6906: 
teichmann@6906:     public final static String XPATH_WSPLGEN_NUMCLASSES =
teichmann@6906:             "/theme/field[@name='numclasses']/@default";
teichmann@6906: 
teichmann@6906:     /** XPATH to bandwidth field. */
teichmann@6906:     public final static String XPATH_BANDWIDTH =
teichmann@6906:             "/theme/field[@name='bandwidth']/@default";
teichmann@6906: 
teichmann@6906:     /** XPATH to find showextramark field. */
teichmann@6906:     public final static String XPATH_SHOWEXTRAMARK =
teichmann@6906:             "/theme/field[@name='showextramark']/@default";
teichmann@6906: 
teichmann@6905:     private Document document;
teichmann@6905: 
teichmann@6905:     public ThemeDocument() {
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public ThemeDocument(Document document) {
teichmann@6905:         this.document = document;
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public Document getDocument() {
teichmann@6905:         return document;
teichmann@6905:     }
teichmann@6905: 
teichmann@6906:     /** Parse string to be boolean with default if empty or unrecognized. */
teichmann@6906:     public static boolean parseBoolean(String value, boolean defaultsTo) {
teichmann@6906:         if (value == null || value.length() == 0) {
teichmann@6906:             return defaultsTo;
teichmann@6906:         }
teichmann@6906:         if (value.equals("false")) {
teichmann@6906:             return false;
teichmann@6906:         }
teichmann@6906:         else if (value.equals("true")) {
teichmann@6906:             return true;
teichmann@6906:         }
teichmann@6906:         else {
teichmann@6906:             return defaultsTo;
teichmann@6906:         }
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     /**
teichmann@6906:      * Attempt converting \param value to an integer, in failing cases,
teichmann@6906:      * return \param defaultsTo.
teichmann@6906:      * @param value String to be converted to integer.
teichmann@6906:      * @param defaultsTo Default to return if conversion failed.
teichmann@6906:      * @return \param value as integer or defaultsto if conversion failed.
teichmann@6906:      */
teichmann@6906:     public static int parseInteger(String value, int defaultsTo) {
teichmann@6906:         if (value == null || value.length() == 0) {
teichmann@6906:             return defaultsTo;
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         try {
teichmann@6906:             return Integer.parseInt(value);
teichmann@6906:         }
teichmann@6906:         catch (NumberFormatException nfe) {
teichmann@6906:             // do nothing
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         return defaultsTo;
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     /**
teichmann@6906:      * Attempt converting \param value to a double, in failing cases,
teichmann@6906:      * return \param defaultsTo.
teichmann@6906:      * @param value String to be converted to double.
teichmann@6906:      * @param defaultsTo Default to return if conversion failed.
teichmann@6906:      * @return \param value as integer or defaultsto if conversion failed.
teichmann@6906:      */
teichmann@6906:     public static double parseDouble(String value, double defaultsTo) {
teichmann@6906:         if (value == null || value.length() == 0) {
teichmann@6906:             return defaultsTo;
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         try {
teichmann@6906:             return Double.parseDouble(value);
teichmann@6906:         }
teichmann@6906:         catch (NumberFormatException nfe) {
teichmann@6906:             // do nothing
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         return defaultsTo;
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseShowLineLabel() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOW_LINE_LABEL, null);
teichmann@6906:         return parseBoolean(show, false);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseShowWidth() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOW_WIDTH, null);
teichmann@6906:         return parseBoolean(show, false);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseShowLevel() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOW_LEVEL, null);
teichmann@6906:         return parseBoolean(show, false);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906:     public String parseTextOrientation() {
teichmann@6906:         String o = XMLUtils.xpathString(document, XPATH_TEXT_ORIENTATION, null);
teichmann@6906:         if ("true".equals(o)) {
teichmann@6906:             return "horizontal";
teichmann@6906:         }
teichmann@6906:         else {
teichmann@6906:             return "vertical";
teichmann@6906:         }
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseShowMiddleHeight() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOW_MIDDLE_HEIGHT, null);
teichmann@6906:         return parseBoolean(show, false);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseLabelShowBackground() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_LABEL_SHOW_BACKGROUND, null);
teichmann@6906:         return parseBoolean(show, false);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public Font parseTextFont() {
teichmann@6906:         String font = XMLUtils.xpathString(document, XPATH_LABEL_FONT_FACE, null);
teichmann@6906:         if (font == null || font.length() == 0) {
teichmann@6906:             return null;
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         int size = parseTextSize();
teichmann@6906:         int style = parseTextStyle();
teichmann@6906:         Font f = new Font(font, style, size);
teichmann@6906:         return f;
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public Color parseTextColor() {
teichmann@6906:         return parseRGB(getTextColorString());
teichmann@6906:     }
teichmann@6906: 
teichmann@6906:     public String getTextColorString() {
teichmann@6906:         String textColor = XMLUtils.xpathString(document, XPATH_LABEL_FONT_COLOR, null);
teichmann@6906:         return textColor;
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public Color parseTextBackground() {
teichmann@6906:         String color = getLabelBackgroundColorString();
teichmann@6906:         if (color == null || color.length() == 0) {
teichmann@6906:             return Color.WHITE;
teichmann@6906:         }
teichmann@6906:         return parseRGB(color);
teichmann@6905:     }
teichmann@6905: 
teichmann@6906:     public String getLabelBackgroundColorString() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_LABEL_BGCOLOR, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6905:     public int parseLineWidth() {
teichmann@6906:         String size = XMLUtils.xpathString(document, XPATH_LINE_SIZE, null);
teichmann@6906:         if (size == null || size.length() == 0) {
teichmann@6906:             return 0;
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         try {
teichmann@6906:             return Integer.parseInt(size);
teichmann@6906:         }
teichmann@6906:         catch (NumberFormatException nfe) {
teichmann@6906:             logger.warn("Unable to set line size from string: '" + size + "'");
teichmann@6906:         }
teichmann@6905:         return 0;
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public float [] parseLineStyle() {
teichmann@6906:         String dash = XMLUtils.xpathString(document, XPATH_LINE_STYLE, null);
teichmann@6906: 
teichmann@6906:         float[] def = {10};
teichmann@6906:         if (dash == null || dash.length() == 0) {
teichmann@6906:             return def;
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         String[] pattern = dash.split(",");
teichmann@6906:         if(pattern.length == 1) {
teichmann@6906:             return def;
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         try {
teichmann@6906:             float[] dashes = new float[pattern.length];
teichmann@6906:             for (int i = 0; i < pattern.length; i++) {
teichmann@6906:                 dashes[i] = Float.parseFloat(pattern[i]);
teichmann@6906:             }
teichmann@6906:             return dashes;
teichmann@6906:         }
teichmann@6906:         catch(NumberFormatException nfe) {
teichmann@6906:             logger.warn("Unable to set dash from string: '" + dash + "'");
teichmann@6906:             return def;
teichmann@6906:         }
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public int parsePointWidth() {
teichmann@6906:         String width = XMLUtils.xpathString(document, XPATH_POINT_SIZE, null);
teichmann@6906: 
teichmann@6906:         return parseInteger(width, 3);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public Color parsePointColor() {
teichmann@6906:         String color = XMLUtils.xpathString(document, XPATH_POINT_COLOR, null);
teichmann@6906:         logger.debug("parsePointColor(): color = " + color);
teichmann@6906:         return parseColor(color);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseShowPoints() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOW_POINTS, null);
teichmann@6906:         return parseBoolean(show, false);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseShowLine() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOW_LINE, null);
teichmann@6906:         return parseBoolean(show, true);
teichmann@6905:     }
teichmann@6905: 
teichmann@6906:     public int parseTextStyle() {
teichmann@6906:         return parseTextStyle(XPATH_LABEL_FONT_STYLE);
teichmann@6905:     }
teichmann@6905: 
teichmann@6906:     public int parseTextStyle(String path) {
teichmann@6906:         String style = XMLUtils.xpathString(document, path, null);
teichmann@6906:         if (style == null || style.length() == 0) {
teichmann@6906:             return Font.PLAIN;
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         if (style.equals("italic")) {
teichmann@6906:             return Font.ITALIC;
teichmann@6906:         }
teichmann@6906:         else if (style.equals("bold")) {
teichmann@6906:             return Font.BOLD;
teichmann@6906:         }
teichmann@6906:         else {
teichmann@6906:             return Font.PLAIN;
teichmann@6906:         }
teichmann@6906:     }
teichmann@6906: 
teichmann@6906:     public TextStyle parseComplexTextStyle() {
teichmann@6906:         return new TextStyle(
teichmann@6906:             parseTextColor(),
teichmann@6906:             parseTextFont(),
teichmann@6906:             parseTextBackground(),
teichmann@6906:             parseLabelShowBackground(),
teichmann@6906:             !parseTextOrientation().equals("horizontal"));
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public LineStyle parseComplexLineStyle() {
teichmann@6906:         return new LineStyle(
teichmann@6906:             parseLineColorField(),
teichmann@6906:             Integer.valueOf(parseLineWidth()));
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public Color parseComplexLineColorField() {
teichmann@6905:         return null;
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseShowVerticalLine() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOW_VERTICAL_LINE, null);
teichmann@6906:         return parseBoolean(show, true);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseShowHorizontalLine() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOW_HORIZONTAL_LINE, null);
teichmann@6906:         return parseBoolean(show, true);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public double parseBandWidth() {
teichmann@6906:         String bandWidth = XMLUtils.xpathString(document, XPATH_BANDWIDTH, null);
teichmann@6906:         return parseDouble(bandWidth, 0);
teichmann@6905:     }
teichmann@6905: 
teichmann@6906:     public static Color parseColor(String colorString) {
teichmann@6906:         if (colorString == null || colorString.length() == 0) {
teichmann@6906:             return null;
teichmann@6906:         }
teichmann@6906:         else if (colorString.indexOf("#") == 0) {
teichmann@6906:             return parseHexColor(colorString);
teichmann@6906:         }
teichmann@6906:         else if (colorString.indexOf(",") >= 0) {
teichmann@6906:             return parseRGB(colorString);
teichmann@6906:         }
teichmann@6905: 
teichmann@6905:         return null;
teichmann@6905:     }
teichmann@6905: 
teichmann@6906: 
teichmann@6906:     /**
teichmann@6906:      * Parse a string like "#00CC22" and return the corresponding color.
teichmann@6906:      *
teichmann@6906:      * @param hex The hex color value.
teichmann@6906:      *
teichmann@6906:      * @return a Color or null, if <i>hex</i> is empty.
teichmann@6906:      */
teichmann@6906:     public static Color parseHexColor(String hex) {
teichmann@6906:         if (hex == null) {
teichmann@6906:             return null;
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         return Color.decode(hex);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905: 
teichmann@6905:     public boolean parseShowArea() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOW_AREA, null);
teichmann@6906:         return parseBoolean(show, false);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseShowPointLabel() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOW_POINT_LABEL, null);
teichmann@6906:         return parseBoolean(show, false);
teichmann@6905:     }
teichmann@6905: 
teichmann@6905:     public boolean parseShowExtraMark() {
teichmann@6906:         String show = XMLUtils.xpathString(document, XPATH_SHOWEXTRAMARK, null);
teichmann@6906:         return parseBoolean(show, false);
teichmann@6905:     }
teichmann@6905: 
teichmann@6906:     public int parseTextSize() {
teichmann@6906:         return parseTextSize(XPATH_LABEL_FONT_SIZE);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906:     public int parseTextSize(String path) {
teichmann@6906:         String size = XMLUtils.xpathString(document, path, null);
teichmann@6906:         if (size == null || size.length() == 0) {
teichmann@6906:             return 10;
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         try {
teichmann@6906:             return Integer.parseInt(size);
teichmann@6906:         }
teichmann@6906:         catch (NumberFormatException nfe) {
teichmann@6906:         }
teichmann@6906:         return 10;
teichmann@6906:     }
teichmann@6906: 
teichmann@6906:     /**
teichmann@6906:      * Parse a string like "103, 100, 0" and return a corresping color.
teichmann@6906:      * @param rgbtext Color as string representation, e.g. "255,0,20".
teichmann@6906:      * @return Color, null in case of issues.
teichmann@6906:      */
teichmann@6906:     public static Color parseRGB(String rgbtext) {
teichmann@6906:         if (rgbtext == null) {
teichmann@6906:             return null;
teichmann@6906:         }
teichmann@6906:         String rgb[] = rgbtext.split(",");
teichmann@6906:         Color c = null;
teichmann@6906:         try {
teichmann@6906:             c = new Color(
teichmann@6906:                     Integer.parseInt(rgb[0].trim()),
teichmann@6906:                     Integer.parseInt(rgb[1].trim()),
teichmann@6906:                     Integer.parseInt(rgb[2].trim()));
teichmann@6906:         }
teichmann@6906:         catch (NumberFormatException nfe) {
teichmann@6906:             c = null;
teichmann@6906:         }
teichmann@6906:         return c;
teichmann@6906:     }
teichmann@6906: 
teichmann@6906:     public String getLineColorString() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_LINE_COLOR, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     /** Get show border as string. */
teichmann@6906:     public String getShowBorderString() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_SHOW_BORDER, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     /** Get fill color as string. */
teichmann@6906:     public String getFillColorString() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_FILL_COLOR, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public String getBackgroundColorString() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_BACKGROUND_COLOR, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906:     public String getSymbol() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_SYMBOL, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public String getTransparencyString() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_TRANSPARENCY, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public String getAreaTransparencyString() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_AREA_TRANSPARENCY, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public String getShowMinimum() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_SHOW_MINIMUM, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public String getShowMaximum() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_SHOW_MAXIMUM, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     /**
teichmann@6906:      * Gets color from color field.
teichmann@6906:      * @param theme    the theme document.
teichmann@6906:      * @return color.
teichmann@6906:      */
teichmann@6906:     public Color parseFillColorField() {
teichmann@6906:         return parseRGB(getFillColorString());
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public boolean parseShowBorder() {
teichmann@6906:         return parseBoolean(getShowBorderString(), false);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public int parseTransparency() {
teichmann@6906:         return parseInteger(getTransparencyString(), 50);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     /**
teichmann@6906:      * Gets color from color field.
teichmann@6906:      * @param theme    the theme document.
teichmann@6906:      * @return color.
teichmann@6906:      */
teichmann@6906:     public Color parseLineColorField() {
teichmann@6906:         String lineColorStr = getLineColorString();
teichmann@6906:         logger.debug("parseLineColorField: lineColorStr = " +
teichmann@6906:                 (lineColorStr == null ? "null" : lineColorStr));
teichmann@6906:         return parseColor(lineColorStr);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public Color parseAreaLineColorField() {
teichmann@6906:         String lineColorStr = getAreaLineColorString();
teichmann@6906:         logger.debug("parseLineColorField: lineColorStr = " +
teichmann@6906:                 (lineColorStr == null ? "null" : lineColorStr));
teichmann@6906:         return parseColor(lineColorStr);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     private String getAreaLineColorString() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_AREA_LINE_COLOR, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public boolean parseShowMinimum() {
teichmann@6906:         return parseBoolean(getShowMinimum(), false);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public boolean parseShowMaximum() {
teichmann@6906:         return parseBoolean(getShowMaximum(), false);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     /**
teichmann@6906:      * Creates a MapserverStyle from the given XML theme.
teichmann@6906:      * This method uses a start- and endcolor to interpolate a
teichmann@6906:      * given number of color classes for the MapserverStyle.
teichmann@6906:      * @param theme
teichmann@6906:      * @return String representation of the MapserverStyle
teichmann@6906:      */
teichmann@6905:     public String createDynamicMapserverStyle(
teichmann@6906:             float from, float to, float step, CallMeta meta)
teichmann@6906:     {
teichmann@6906:         MapserverStyle ms = new MapserverStyle();
teichmann@6906: 
teichmann@6906:         String strStartColor = XMLUtils.xpathString(document, XPATH_WSPLGEN_STARTCOLOR, null);
teichmann@6906:         Color startColor = strStartColor != null ? parseColor(strStartColor) : new Color(178, 201, 215);
teichmann@6906:         String strEndColor = XMLUtils.xpathString(document, XPATH_WSPLGEN_ENDCOLOR, null);
teichmann@6906:         Color endColor = strEndColor != null? parseColor(strEndColor) : new Color(2, 27, 42);
teichmann@6906: 
teichmann@6906:         to = to != 0 ? to : 9999;
teichmann@6906:         step = step != 0 ? step : to;
teichmann@6906: 
teichmann@6906:         int numClasses = (int)((to - from) / step);
teichmann@6906: 
teichmann@6906:         float rd = (endColor.getRed()   - startColor.getRed())   / (float)numClasses;
teichmann@6906:         float gd = (endColor.getGreen() - startColor.getGreen()) / (float)numClasses;
teichmann@6906:         float bd = (endColor.getBlue()  - startColor.getBlue())  / (float)numClasses;
teichmann@6906: 
teichmann@6906:         if (numClasses > 1) {
teichmann@6906:             // Desktop Flys always added a last "and larger class"
teichmann@6906:             numClasses += 1;
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         for (int n = 0; n < numClasses; n++) {
teichmann@6906:             StringBuilder newColor = new StringBuilder();
teichmann@6906:             newColor.append(startColor.getRed()   + Math.round(n * rd));
teichmann@6906:             newColor.append(' ');
teichmann@6906:             newColor.append(startColor.getGreen() + Math.round(n * gd));
teichmann@6906:             newColor.append(' ');
teichmann@6906:             newColor.append(startColor.getBlue()  + Math.round(n * bd));
teichmann@6906: 
teichmann@6906:             String expr = createWSPLGENClassExpression(from + n * step, step, n + 1, numClasses);
teichmann@6906:             String name = createWSPLGENClassName(from + n * step, step, n + 1, numClasses, meta);
teichmann@6906: 
teichmann@6906:             Clazz c = new Clazz(name);
teichmann@6906:             Style s = new Style();
teichmann@6906:             s.setColor(newColor.toString());
teichmann@6906:             s.setSize(5);
teichmann@6906: 
teichmann@6906:             c.addItem(new Expression("(" + expr + ")"));
teichmann@6906:             c.addItem(s);
teichmann@6906: 
teichmann@6906:             ms.addClazz(c);
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         return ms.toString();
teichmann@6905:     }
teichmann@6905: 
teichmann@6906: 
teichmann@6906:     protected static String createWSPLGENClassExpression(float val, float step, int idx, int maxIdx) {
teichmann@6906:         if (idx < maxIdx) {
teichmann@6906:             return "[DIFF] >= " + val + " AND  [DIFF] < " + (val + step);
teichmann@6906:         }
teichmann@6906:         else {
teichmann@6906:             return "[DIFF] >= " + val;
teichmann@6906:         }
teichmann@6906:     }
teichmann@6906: 
teichmann@6906:     /**
teichmann@6906:      * Creates a class name for the mapfile style that visualizes a floodmap.
teichmann@6906:      * The class names are used in the map's legend.
teichmann@6906:      *
teichmann@6906:      * @param val       Current isobath value.
teichmann@6906:      * @param step      Difference between to class values.
teichmann@6906:      * @param idx       Current class index that is being processed.
teichmann@6906:      * @param maxIdx    Highest class index.
teichmann@6906:      * @param meta      Caller meta object used to determine locale.
teichmann@6906:      * @return
teichmann@6906:      */
teichmann@6906:     protected static String createWSPLGENClassName(float val, float step, int idx, int maxIdx, CallMeta meta) {
teichmann@6906:         assert meta != null : "CallMeta instance is null";
teichmann@6906: 
teichmann@6906:         if (idx < maxIdx) {
teichmann@6906:             return Resources.getMsg(meta, MSG_ISOBATH_CLASS,
teichmann@6906:                     new Object[] {val, val + step});
teichmann@6906:         }
teichmann@6906:         else {
teichmann@6906:             return Resources.getMsg(meta, MSG_ISOBATH_LASTCLASS,
teichmann@6906:                     new Object[] {val});
teichmann@6906:         }
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public String createMapserverStyle() {
teichmann@6906:         String symbol    = getSymbol();
teichmann@6906:         String backcolor = getLabelBackgroundColorString();
teichmann@6906:         String linecolor = getLineColorString();
teichmann@6906:         if (linecolor == null || "".equals(linecolor)) {
teichmann@6906:             logger.warn("createMapserverStyle: linecolor String is empty");
teichmann@6906:             linecolor = "0,128,255";
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         int linewidth = parseLineWidth();
teichmann@6906: 
teichmann@6906:         MapserverStyle ms = new MapserverStyle();
teichmann@6906: 
teichmann@6906:         Clazz c = new Clazz(" ");
teichmann@6906: 
teichmann@6906:         Style s = new Style();
teichmann@6906:         s.setOutlineColor(linecolor.replace(",", " "));
teichmann@6906: 
teichmann@6906:         if (backcolor != null && backcolor.length() > 0) {
teichmann@6906:             s.setColor(backcolor.replace(",", " "));
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         s.setSize(linewidth);
teichmann@6906:         s.setSymbol(symbol);
teichmann@6906:         c.addItem(s);
teichmann@6906: 
teichmann@6906:         String textcolor = getTextColorString();
teichmann@6906:         int    textsize  = parseTextSize();
teichmann@6906: 
teichmann@6906:         if (textcolor != null && textcolor.length() > 0 && textsize > 0) {
teichmann@6906:             Label l = new Label();
teichmann@6906:             l.setColor(textcolor.replace(",", " "));
teichmann@6906:             l.setSize(textsize);
teichmann@6906:             c.addItem(l);
teichmann@6906:         }
teichmann@6906: 
teichmann@6906:         ms.addClazz(c);
teichmann@6906: 
teichmann@6906:         return ms.toString();
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     public String getAreaBackgroundColorString() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_AREA_BACKGROUND_COLOR, null);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6905:     public Color parseAreaBackgroundColor() {
teichmann@6906:         return parseColor(getAreaBackgroundColorString());
teichmann@6905:     }
teichmann@6905: 
teichmann@6906: 
teichmann@6906:     public int parseAreaTransparency() {
teichmann@6906:         return parseInteger(getAreaTransparencyString(), 50);
teichmann@6905:     }
teichmann@6905: 
teichmann@6906: 
teichmann@6906:     public boolean parseAreaShowBorder() {
teichmann@6906:         return parseBoolean(getAreaShowBorderString(), false);
teichmann@6906:     }
teichmann@6906: 
teichmann@6906: 
teichmann@6906:     private String getAreaShowBorderString() {
teichmann@6906:         return XMLUtils.xpathString(document, XPATH_AREA_SHOW_BORDER, null);
teichmann@6906:     }
teichmann@6905: }
teichmann@6905: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :