teichmann@5835: package org.dive4elements.river.client.shared.model;
ingo@524: 
ingo@524: import java.io.Serializable;
ingo@524: 
ingo@2438: import java.util.ArrayList;
felix@1435: import java.util.LinkedHashMap;
ingo@524: import java.util.List;
ingo@524: 
ingo@524: 
ingo@524: /**
felix@1435:  * Data Model for list of themes (shown facets).
ingo@524:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@524:  */
ingo@524: public class ThemeList implements Serializable {
ingo@524: 
ingo@524:     public List<Theme> themes;
ingo@524: 
ingo@524: 
ingo@524:     public ThemeList() {
ingo@524:     }
ingo@524: 
ingo@524: 
ingo@524:     public ThemeList(List<Theme> themes) {
ingo@524:         this.themes = themes;
ingo@524:     }
ingo@524: 
ingo@524: 
ingo@524:     public List<Theme> getThemes() {
ingo@524:         return themes;
ingo@524:     }
ingo@524: 
ingo@524: 
ingo@2438:     public List<Theme> getActiveThemes() {
ingo@2438:         List<Theme> active = new ArrayList<Theme>();
ingo@2438:         List<Theme> all    = getThemes();
ingo@2438: 
ingo@2438:         if (all == null || all.isEmpty()) {
ingo@2438:             return active;
ingo@2438:         }
ingo@2438: 
ingo@2438:         for (Theme theme: all) {
ingo@2438:             if (theme.getActive() == 1) {
ingo@2438:                 active.add(theme);
ingo@2438:             }
ingo@2438:         }
ingo@2438: 
ingo@2438:         return active;
ingo@2438:     }
ingo@2438: 
ingo@2438: 
ingo@524:     public int getThemeCount() {
ingo@524:         return themes.size();
ingo@524:     }
ingo@524: 
ingo@524: 
ingo@524:     /**
felix@1473:      * Returns (first) theme of which the artifact has given uuid, null if none
felix@1473:      * found.
felix@1473:      * @param uuid Artifacts identifier for which to search theme.
felix@1473:      * @return theme of which getArtifact() equals given uuid.
felix@1473:     */
felix@1473:     public Theme getTheme(String uuid) {
felix@1473:         for (Theme theme: themes) {
felix@1473:             if (theme.getArtifact().equals(uuid)) {
felix@1473:                 return theme;
felix@1473:             }
felix@1473:         }
felix@1473:         return null;
felix@1473:     }
felix@1473: 
felix@1473: 
felix@1473:     /**
ingo@524:      * Returns a theme at a specific position. <b>NOTE: Themes start at position
ingo@524:      * 1. So, take care in loops, that might start at index 0!</b>
ingo@524:      *
ingo@524:      * @param pos The position of the desired theme.
ingo@524:      *
ingo@524:      * @return a theme.
ingo@524:      */
ingo@524:     public Theme getThemeAt(int pos) {
ingo@524:         for (Theme theme: themes) {
ingo@524:             if (theme.getPosition() == pos) {
ingo@524:                 return theme;
ingo@524:             }
ingo@524:         }
ingo@524: 
ingo@524:         return null;
ingo@524:     }
ingo@526: 
ingo@526: 
ingo@526:     public void removeTheme(Theme theme) {
ingo@526:         if (theme != null) {
ingo@526:             themes.remove(theme);
ingo@526:         }
ingo@526:     }
ingo@526: 
ingo@526: 
ingo@526:     public void addTheme(Theme theme) {
ingo@526:         if (theme != null) {
ingo@526:             themes.add(theme);
ingo@526:         }
ingo@526:     }
ingo@528: 
ingo@528: 
ingo@528:     /**
ingo@528:      * Modifies the order of themes in this list and the position of the
ingo@528:      * <i>theme</i> itself.
ingo@528:      *
ingo@528:      * @param theme The theme which position has to be modified.
ingo@528:      * @param newPos The new position.
ingo@528:      */
ingo@528:     public void setThemePosition(Theme theme, int newPos) {
ingo@528:         int count  = getThemeCount();
ingo@528:         int oldPos = theme.getPosition();
ingo@528: 
ingo@528:         if (newPos == oldPos || newPos > count || newPos < 1) {
ingo@528:             return;
ingo@528:         }
ingo@528: 
ingo@528:         boolean moveUp = newPos < oldPos;
ingo@528: 
ingo@528:         for (Theme aTheme: themes) {
ingo@528:             int tmpPos = aTheme.getPosition();
ingo@528: 
ingo@528:             if (theme.equals(aTheme)) {
ingo@528:                 theme.setPosition(newPos);
ingo@528:             }
ingo@528:             else if (tmpPos >= newPos && tmpPos < oldPos && moveUp) {
ingo@528:                 aTheme.setPosition(tmpPos+1);
ingo@528:             }
ingo@528:             else if (tmpPos <= newPos && tmpPos > oldPos && !moveUp) {
ingo@528:                 aTheme.setPosition(tmpPos-1);
ingo@528:             }
ingo@528:         }
ingo@528:     }
felix@1435: 
felix@1435: 
felix@1435:     /**
felix@1435:      * Create a map from index to description of facets that have a given name.
felix@1435:      * Only visible facets are taken into account.
felix@1435:      * @param facetName name to match against facets whose info to put in map.
felix@1435:      * @return mapping of index to description
felix@1435:      */
felix@1435:     public LinkedHashMap<String, String> toMapIndexDescription(String facetName) {
felix@1435:         int count = getThemeCount();
felix@1435:         LinkedHashMap<String, String> valueMap = new LinkedHashMap<String, String>();
felix@1437:         for (int i = 0; i <= count; i++) {
felix@1435:             Theme theme = getThemeAt(i + 1);
felix@1435: 
felix@1435:             if (theme == null || theme.getVisible() == 0) {
felix@1435:                 continue;
felix@1435:             }
felix@1435: 
felix@1435:             if (theme.getFacet().equals(facetName)) {
felix@1435:                 valueMap.put(String.valueOf(theme.getIndex()),
felix@1435:                     theme.getDescription());
felix@1435:             }
felix@1435:         }
felix@1435:         return valueMap;
felix@1435:     }
felix@1435: 
felix@1435: 
felix@1435:     public LinkedHashMap<String, String>
felix@1435:         toMapArtifactUUIDDescription(String facetName
felix@1435:     ) {
felix@1435:         int count = getThemeCount();
felix@1435:         LinkedHashMap<String, String> valueMap = new LinkedHashMap<String, String>();
felix@1437:         for (int i = 0; i <= count; i++) {
felix@1435:             Theme theme = getThemeAt(i + 1);
felix@1435: 
felix@1435:             if (theme == null || theme.getVisible() == 0) {
felix@1435:                 continue;
felix@1435:             }
felix@1435: 
felix@1435:             if (theme.getFacet().equals(facetName)) {
felix@1435:                 valueMap.put(theme.getArtifact(),
felix@1435:                     theme.getDescription());
felix@1435:             }
felix@1435:         }
felix@1435:         return valueMap;
felix@1435:     }
ingo@524: }
ingo@524: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :