--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/jfree/StyledAreaSeriesCollection.java	Fri Sep 28 12:14:39 2012 +0200
@@ -0,0 +1,164 @@
+package de.intevation.flys.jfree;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Stroke;
+
+import org.apache.log4j.Logger;
+import org.jfree.data.xy.XYSeriesCollection;
+import org.w3c.dom.Document;
+
+import de.intevation.flys.themes.ThemeAccess;
+import de.intevation.flys.utils.ThemeUtil;
+
+
+/**
+ * One or more dataseries to draw a polygon (either "open up/downwards", or
+ * the area between two curves), a theme-document and further display options.
+ * The theme-document will later "style" the graphical representation.
+ * The display options can be used to control the z-order and the axis of the
+ * dataset.
+ */
+public class StyledAreaSeriesCollection extends XYSeriesCollection {
+    /** Mode, how to draw/which areas to fill. */
+    public enum FILL_MODE {UNDER, ABOVE, BETWEEN};
+
+    /** MODE in use. */
+    protected FILL_MODE mode;
+
+    /** The theme-document with attributes about actual visual representation. */
+    protected Document theme;
+
+    /** Own logger. */
+    private static final Logger logger =
+        Logger.getLogger(StyledAreaSeriesCollection.class);
+
+
+    /**
+     * @param theme the theme-document.
+     */
+    public StyledAreaSeriesCollection(Document theme) {
+        this.theme = theme;
+        this.mode = FILL_MODE.BETWEEN;
+   }
+
+
+    /** Gets the Fill mode. */
+    public FILL_MODE getMode() {
+        return this.mode;
+    }
+
+
+    /** Sets the Fill mode. */
+    public void setMode(FILL_MODE fMode) {
+        this.mode = fMode;
+    }
+
+
+    /**
+     * Applies line color, size and type attributes to renderer, also
+     * whether to draw lines and/or points.
+     * @param renderer Renderer to apply theme to.
+     * @return \param renderer
+     */
+    public StableXYDifferenceRenderer applyTheme(
+        StableXYDifferenceRenderer renderer
+    ) {
+        applyFillColor(renderer);
+        applyShowShape(renderer);
+        applyOutlineColor(renderer);
+        applyOutlineStyle(renderer);
+        applyShowArea(renderer);
+        if (mode == FILL_MODE.UNDER) {
+            renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_NEGATIVE_AREA);
+        }
+        else if (mode == FILL_MODE.ABOVE) {
+            renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_POSITIVE_AREA);
+        }
+        else {
+            renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_ALL_AREA);
+        }
+
+        // Apply text style.
+        new ThemeAccess(theme).parseTextStyle().apply(renderer);
+        return renderer;
+    }
+
+
+    /**
+     * Blindly (for now) apply the positivepaint of renderer.
+     */
+    protected void applyFillColor(StableXYDifferenceRenderer renderer) {
+        // Get color.
+        Color paint = ThemeUtil.parseFillColorField(theme);
+        // Get half-transparency flag.
+        if (ThemeUtil.parseTransparency(theme)) {
+            paint = new Color(paint.getRed(), paint.getGreen(), paint.getBlue(),
+                128);
+        }
+        if (paint != null && this.getMode() == FILL_MODE.ABOVE) {
+            renderer.setPositivePaint(paint);
+            renderer.setNegativePaint(new Color(0,0,0,0));
+        }
+        else if (paint != null && this.getMode() == FILL_MODE.UNDER) {
+            renderer.setNegativePaint(paint);
+            renderer.setPositivePaint(new Color(0,0,0,0));
+        }
+        else {
+            if (paint == null) paint = new Color(177, 117, 102);
+            renderer.setPositivePaint(paint);
+            renderer.setNegativePaint(paint);
+        }
+    }
+
+    /**
+     * Blindly (for now) apply the postiviepaint of renderer.
+     */
+    protected void applyShowShape(StableXYDifferenceRenderer renderer) {
+        boolean show = ThemeUtil.parseShowBorder(theme);
+        renderer.setDrawOutline(show);
+    }
+
+
+    protected void applyShowLine(StableXYDifferenceRenderer renderer) {
+        boolean show = ThemeUtil.parseShowLine(theme);
+        renderer.setShapesVisible(show);
+    }
+
+
+    protected void applyOutlineColor(StableXYDifferenceRenderer renderer) {
+        Color c = ThemeUtil.parseLineColorField(theme);
+        renderer.setOutlinePaint(c);
+    }
+
+    protected void applyOutlineWidth(StableXYDifferenceRenderer renderer) {
+        int size = ThemeUtil.parseLineWidth(theme);
+    }
+
+    /** Inform renderer whether it should draw a label. */
+    protected void applyShowArea(StableXYDifferenceRenderer renderer) {
+        renderer.setLabelArea(ThemeUtil.parseShowArea(theme));
+    }
+
+    protected void applyOutlineStyle(StableXYDifferenceRenderer renderer) {
+        float[] dashes = ThemeUtil.parseLineStyle(theme);
+        int size       = ThemeUtil.parseLineWidth(theme);
+
+        Stroke stroke = null;
+
+        if (dashes.length <= 1) {
+            stroke = new BasicStroke(Integer.valueOf(size));
+        }
+        else {
+            stroke = new BasicStroke(Integer.valueOf(size),
+                BasicStroke.CAP_BUTT,
+                BasicStroke.JOIN_ROUND,
+                1.0f,
+                dashes,
+                0.0f);
+        }
+
+        renderer.setOutlineStroke(stroke);
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :