# HG changeset patch
# User Ingo Weinzierl <ingo.weinzierl@intevation.de>
# Date 1324029392 0
# Node ID 3e703d134bbeaf631ad78d269bc244e2c839dac2
# Parent  85132c9edd64fef305075575464948d31fd62f1e
Parse the Settings of each Output during Collection's describe() operation.

flys-artifacts/trunk@3431 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r 85132c9edd64 -r 3e703d134bbe flys-artifacts/ChangeLog
--- a/flys-artifacts/ChangeLog	Fri Dec 16 09:19:11 2011 +0000
+++ b/flys-artifacts/ChangeLog	Fri Dec 16 09:56:32 2011 +0000
@@ -1,3 +1,11 @@
+2011-12-16  Ingo Weinzierl <ingo@intevation.de>
+
+	* src/main/java/de/intevation/flys/exports/ChartSettings.java: Added new
+	  functions that allow parsing a ChartSettings object from DOM Node.
+
+	* src/main/java/de/intevation/flys/collections/AttributeParser.java: Parse
+	  the Settings of each Output.
+
 2011-12-16  Ingo Weinzierl <ingo@intevation.de>
 
 	* src/main/java/de/intevation/flys/collections/CollectionAttribute.java:
diff -r 85132c9edd64 -r 3e703d134bbe flys-artifacts/src/main/java/de/intevation/flys/collections/AttributeParser.java
--- a/flys-artifacts/src/main/java/de/intevation/flys/collections/AttributeParser.java	Fri Dec 16 09:19:11 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/collections/AttributeParser.java	Fri Dec 16 09:56:32 2011 +0000
@@ -17,10 +17,12 @@
 import de.intevation.artifactdatabase.state.DefaultOutput;
 import de.intevation.artifactdatabase.state.Facet;
 import de.intevation.artifactdatabase.state.Output;
+import de.intevation.artifactdatabase.state.Settings;
 
 import de.intevation.artifacts.common.utils.XMLUtils;
 
 import de.intevation.flys.artifacts.model.ManagedDomFacet;
+import de.intevation.flys.exports.ChartSettings;
 
 /**
  * Access parts of the Attribute parts of a FLYSCollections description
@@ -115,10 +117,27 @@
             attribute.addOutput(name, o);
         }
 
+        parseSettings(out, name);
         parseItems(out, name);
     }
 
 
+    protected void parseSettings(Node out, String outname) {
+        Node settingsNode = (Node) XMLUtils.xpath(
+            out, "settings",
+            XPathConstants.NODE,
+            null);
+
+        if (settingsNode == null) {
+            logger.debug("No Settings found for Output '" + outname + "'");
+            return;
+        }
+
+        Settings settings = ChartSettings.parse(settingsNode);
+        attribute.setSettings(outname, settings);
+    }
+
+
     protected void parseItems(Node out, String outname) {
         NodeList themes = (NodeList) XMLUtils.xpath(
             out, "art:facet",
diff -r 85132c9edd64 -r 3e703d134bbe flys-artifacts/src/main/java/de/intevation/flys/exports/ChartSettings.java
--- a/flys-artifacts/src/main/java/de/intevation/flys/exports/ChartSettings.java	Fri Dec 16 09:19:11 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/ChartSettings.java	Fri Dec 16 09:56:32 2011 +0000
@@ -1,5 +1,14 @@
 package de.intevation.flys.exports;
 
+import javax.xml.xpath.XPathConstants;
+
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.artifacts.common.utils.XMLUtils;
+
 import de.intevation.artifactdatabase.state.DefaultSection;
 import de.intevation.artifactdatabase.state.DefaultSettings;
 import de.intevation.artifactdatabase.state.Section;
@@ -10,6 +19,8 @@
  */
 public class ChartSettings extends DefaultSettings {
 
+    private static final Logger logger = Logger.getLogger(ChartSettings.class);
+
     protected Section chartSection;
     protected Section legendSection;
     protected Section axesSection;
@@ -88,5 +99,115 @@
             axesSection.addSubsection(axisSection);
         }
     }
+
+
+    /**
+     * Parses the settings from <i>settings</i>. The result is a new
+     * ChartSettings instance.
+     *
+     * @param settings A <i>settings</i> node.
+     *
+     * @return a new <i>ChartSettings</i> instance.
+     */
+    public static ChartSettings parse(Node settings) {
+        if (settings == null) {
+            logger.warn("Tried to parse ChartSettings from empty Node!");
+            return null;
+        }
+
+        ChartSettings chartSettings = new ChartSettings();
+
+        parseAxes(chartSettings, settings);
+        parseChart(chartSettings, settings);
+        parseLegend(chartSettings, settings);
+
+        return chartSettings;
+    }
+
+
+    protected static void parseAxes(ChartSettings target, Node settings) {
+        NodeList axesList = (NodeList) XMLUtils.xpath(
+            settings, "axes/axis", XPathConstants.NODESET, null);
+
+        int num = axesList != null ? axesList.getLength() : 0;
+
+        if (num <= 0) {
+            logger.debug("No axis sections found.");
+            return;
+        }
+
+        for (int i = 0; i < num; i++) {
+            parseAxis(target, axesList.item(i));
+        }
+    }
+
+
+    protected static void parseAxis(ChartSettings target, Node axis) {
+        AxisSection section = new AxisSection();
+
+        String id       = XMLUtils.xpathString(axis, "id", null);
+        String label    = XMLUtils.xpathString(axis, "label", null);
+        String fSize    = XMLUtils.xpathString(axis, "font-size", null);
+        String fixation = XMLUtils.xpathString(axis, "fixation", null);
+        String low      = XMLUtils.xpathString(axis, "lower", null);
+        String up       = XMLUtils.xpathString(axis, "upper", null);
+
+        if (logger.isDebugEnabled()) {
+            logger.debug("Fount axis id:        '" + id + "'");
+            logger.debug("Fount axis label:     '" + label + "'");
+            logger.debug("Fount axis font size: '" + fSize + "'");
+            logger.debug("Fount axis fixation:  '" + fixation + "'");
+            logger.debug("Fount axis lower:     '" + low + "'");
+            logger.debug("Fount axis upper:     '" + up + "'");
+        }
+
+        section.setIdentifier(id);
+        section.setLabel(label);
+        section.setFontSize(Integer.valueOf(fSize.length() > 0 ? fSize : "-1"));
+        section.setFixed(Boolean.valueOf(fixation));
+        section.setLowerRange(Double.valueOf(low.length() > 0 ? low : "0"));
+        section.setUpperRange(Double.valueOf(up.length() > 0 ? up : "0"));
+
+        target.addAxisSection(section);
+    }
+
+
+    protected static void parseChart(ChartSettings target, Node chart) {
+        ChartSection chartSection = new ChartSection();
+
+        String title = XMLUtils.xpathString(chart, "chart/title", null);
+        String sub   = XMLUtils.xpathString(chart, "chart/subtitle", null);
+        String grid  = XMLUtils.xpathString(chart, "chart/display-grid", null);
+
+        if (logger.isDebugEnabled()) {
+            logger.debug("Found chart title:    '" + title + "'");
+            logger.debug("Found chart subtitle: '" + sub + "'");
+            logger.debug("Found chart grid:     '" + grid + "'");
+        }
+
+        chartSection.setTitle(title);
+        chartSection.setSubtitle(sub);
+        chartSection.setDisplayGird(Boolean.valueOf(grid));
+
+        target.setChartSection(chartSection);
+    }
+
+
+    protected static void parseLegend(ChartSettings target, Node legend) {
+        LegendSection section = new LegendSection();
+
+        String vis   = XMLUtils.xpathString(legend, "legend/visibility", null);
+        String fSize = XMLUtils.xpathString(legend, "legend/font-size", null);
+
+        if (logger.isDebugEnabled()) {
+            logger.debug("Found legend visibility: '" + vis + "'");
+            logger.debug("Found legend font size : '" + fSize + "'");
+        }
+
+        section.setVisibility(Boolean.valueOf(vis));
+        section.setFontSize(Integer.valueOf(fSize.length() > 0 ? fSize : "-1"));
+
+        target.setLegendSection(section);
+    }
 }
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