--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-client/src/main/java/org/dive4elements/river/client/shared/model/ThemeList.java	Thu Apr 25 12:31:32 2013 +0200
@@ -0,0 +1,183 @@
+package de.intevation.flys.client.shared.model;
+
+import java.io.Serializable;
+
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+
+
+/**
+ * Data Model for list of themes (shown facets).
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class ThemeList implements Serializable {
+
+    public List<Theme> themes;
+
+
+    public ThemeList() {
+    }
+
+
+    public ThemeList(List<Theme> themes) {
+        this.themes = themes;
+    }
+
+
+    public List<Theme> getThemes() {
+        return themes;
+    }
+
+
+    public List<Theme> getActiveThemes() {
+        List<Theme> active = new ArrayList<Theme>();
+        List<Theme> all    = getThemes();
+
+        if (all == null || all.isEmpty()) {
+            return active;
+        }
+
+        for (Theme theme: all) {
+            if (theme.getActive() == 1) {
+                active.add(theme);
+            }
+        }
+
+        return active;
+    }
+
+
+    public int getThemeCount() {
+        return themes.size();
+    }
+
+
+    /**
+     * Returns (first) theme of which the artifact has given uuid, null if none
+     * found.
+     * @param uuid Artifacts identifier for which to search theme.
+     * @return theme of which getArtifact() equals given uuid.
+    */
+    public Theme getTheme(String uuid) {
+        for (Theme theme: themes) {
+            if (theme.getArtifact().equals(uuid)) {
+                return theme;
+            }
+        }
+        return null;
+    }
+
+
+    /**
+     * Returns a theme at a specific position. <b>NOTE: Themes start at position
+     * 1. So, take care in loops, that might start at index 0!</b>
+     *
+     * @param pos The position of the desired theme.
+     *
+     * @return a theme.
+     */
+    public Theme getThemeAt(int pos) {
+        for (Theme theme: themes) {
+            if (theme.getPosition() == pos) {
+                return theme;
+            }
+        }
+
+        return null;
+    }
+
+
+    public void removeTheme(Theme theme) {
+        if (theme != null) {
+            themes.remove(theme);
+        }
+    }
+
+
+    public void addTheme(Theme theme) {
+        if (theme != null) {
+            themes.add(theme);
+        }
+    }
+
+
+    /**
+     * Modifies the order of themes in this list and the position of the
+     * <i>theme</i> itself.
+     *
+     * @param theme The theme which position has to be modified.
+     * @param newPos The new position.
+     */
+    public void setThemePosition(Theme theme, int newPos) {
+        int count  = getThemeCount();
+        int oldPos = theme.getPosition();
+
+        if (newPos == oldPos || newPos > count || newPos < 1) {
+            return;
+        }
+
+        boolean moveUp = newPos < oldPos;
+
+        for (Theme aTheme: themes) {
+            int tmpPos = aTheme.getPosition();
+
+            if (theme.equals(aTheme)) {
+                theme.setPosition(newPos);
+            }
+            else if (tmpPos >= newPos && tmpPos < oldPos && moveUp) {
+                aTheme.setPosition(tmpPos+1);
+            }
+            else if (tmpPos <= newPos && tmpPos > oldPos && !moveUp) {
+                aTheme.setPosition(tmpPos-1);
+            }
+        }
+    }
+
+
+    /**
+     * Create a map from index to description of facets that have a given name.
+     * Only visible facets are taken into account.
+     * @param facetName name to match against facets whose info to put in map.
+     * @return mapping of index to description
+     */
+    public LinkedHashMap<String, String> toMapIndexDescription(String facetName) {
+        int count = getThemeCount();
+        LinkedHashMap<String, String> valueMap = new LinkedHashMap<String, String>();
+        for (int i = 0; i <= count; i++) {
+            Theme theme = getThemeAt(i + 1);
+
+            if (theme == null || theme.getVisible() == 0) {
+                continue;
+            }
+
+            if (theme.getFacet().equals(facetName)) {
+                valueMap.put(String.valueOf(theme.getIndex()),
+                    theme.getDescription());
+            }
+        }
+        return valueMap;
+    }
+
+
+    public LinkedHashMap<String, String>
+        toMapArtifactUUIDDescription(String facetName
+    ) {
+        int count = getThemeCount();
+        LinkedHashMap<String, String> valueMap = new LinkedHashMap<String, String>();
+        for (int i = 0; i <= count; i++) {
+            Theme theme = getThemeAt(i + 1);
+
+            if (theme == null || theme.getVisible() == 0) {
+                continue;
+            }
+
+            if (theme.getFacet().equals(facetName)) {
+                valueMap.put(theme.getArtifact(),
+                    theme.getDescription());
+            }
+        }
+        return valueMap;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :