# HG changeset patch
# User Raimund Renkert <rrenkert@intevation.de>
# Date 1308828450 -7200
# Node ID 7632850b9520c402c2d124a337c2578d8add38e4
# Parent  a4ab239509f1ea8f6299e4ff8536a05be06268cc
Convert cartographic line template to mapfile pattern.

diff -r a4ab239509f1 -r 7632850b9520 ChangeLog
--- a/ChangeLog	Wed Jun 22 13:55:22 2011 +0200
+++ b/ChangeLog	Thu Jun 23 13:27:30 2011 +0200
@@ -1,3 +1,11 @@
+2011-06-22  Raimund Renkert  <raimund.renkert@intevation.de>
+
+	* src/java/de/intevation/mxd/reader/CartoLineSymbolReader.java:
+	  Read mark and gap values from cartographic line template.
+
+	* src/java/de/intevation/mxd/writer/LineStyleWriter.java:
+	  Create and write pattern from mark and gap values.
+
 2011-06-22  Raimund Renkert  <raimund.renkert@intevation.de>
 
 	* src/java/de/intevation/mxd/reader/ArrowMarkerSymbolReader.java,
diff -r a4ab239509f1 -r 7632850b9520 src/java/de/intevation/mxd/reader/CartoLineSymbolReader.java
--- a/src/java/de/intevation/mxd/reader/CartoLineSymbolReader.java	Wed Jun 22 13:55:22 2011 +0200
+++ b/src/java/de/intevation/mxd/reader/CartoLineSymbolReader.java	Thu Jun 23 13:27:30 2011 +0200
@@ -9,6 +9,7 @@
 import com.esri.arcgis.display.CartographicLineSymbol;
 import com.esri.arcgis.display.IRgbColor;
 import com.esri.arcgis.display.RgbColor;
+import com.esri.arcgis.display.Template;
 
 import com.esri.arcgis.display.esriLineCapStyle;
 import com.esri.arcgis.display.esriLineJoinStyle;
@@ -175,6 +176,25 @@
         }
         //TODO Read further attributes depending on the Mapscript functionality:
         //     Template, MarkerSymbol, LineDecorations
+
+        try {
+            Template temp = (Template)symbol.getTemplate();
+            double length = temp.getInterval();
+            int count = temp.getPatternElementCount();
+            symbolElement.setAttribute("pattern_count", String.valueOf(count));
+            for (int j = 0; j < count; j++) {
+                double[] mark = new double[1];
+                double[] gap = new double[1];
+                temp.getPatternElement(j, mark, gap);
+                symbolElement.setAttribute(
+                    "mark_" + j,
+                    String.valueOf(mark[0]));
+                symbolElement.setAttribute("gap_" + j, String.valueOf(gap[0]));
+            }
+        }
+        catch(IOException ioe){
+            logger.warn("Could not read pattern elements.");
+        }
         symbolElement.setAttribute("type", "line");
         symbolElement.setAttribute("style", "carto");
 
diff -r a4ab239509f1 -r 7632850b9520 src/java/de/intevation/mxd/writer/LineStyleWriter.java
--- a/src/java/de/intevation/mxd/writer/LineStyleWriter.java	Wed Jun 22 13:55:22 2011 +0200
+++ b/src/java/de/intevation/mxd/writer/LineStyleWriter.java	Thu Jun 23 13:27:30 2011 +0200
@@ -97,6 +97,45 @@
                 style.setPattern(vals);
             }
         }
+        else if(symbolElement.hasAttribute("pattern_count")) {
+            int count = 0;
+            try {
+                count = Integer.parseInt(
+                            symbolElement.getAttribute("pattern_count"));
+                double[] vals = new double[10];
+                double move = 0.0;
+                int pos = 0;
+                for(int i = 0; i < count; i++) {
+                    double mark =
+                        Double.parseDouble(symbolElement.getAttribute("mark_" + i));
+                    double gap =
+                        Double.parseDouble(symbolElement.getAttribute("gap_" + i));
+                    if(i == 0 && mark == 0.0) {
+                        move = gap;
+                    }
+                    else if(i == count - 1 && move > 0.0) {
+                       vals[pos++] = mark;
+                       vals[pos++] = gap + move;
+                    }
+                    else {
+                        vals[pos++] = mark;
+                        vals[pos++] = gap;
+                    }
+                }
+                if(move > 0.0) {
+                    style.setPatternlength((count*2) -2);
+                }
+                else {
+                    style.setPatternlength(count*2);
+                }
+                style.setPattern(vals);
+
+            }
+            catch(NumberFormatException nfe) {
+                logger.warn("Could not write PATTERN.");
+            }
+        }
+
         String type = symbolElement.getAttribute("type");
 
         if(type.equals("marker")) {