Examples of net.datacrow.core.modules.DcModule

net.datacrow.core.modules.DcModule
A module represents items. The module dictates among other things where the items are stored, which views they can be displayed, which fields they have and which online services are available to update or search for new items. The module is where it all comes together.
Modules can have relationships between each other and come in different types. An important property of the module is the top module boolean which indicates if the module can be displayed within module bar and if the module can be disabled and or enabled by the user.
Furthermore is it important to know that modules are generic. They can be created from an {@link XmlModule} which holds a flexible XML definition of the module.
The {@link DcModules} class creates and holds all modules. @see XmlModule @see DcModules @see DcPropertyModule @see DcMediaModule @see DcChildModule @see DcMediaChildModule @see DcParentModule @see DcMediaParentModule @author Robert Jan van der Waals

        String ID;
        String value;
        String previousID = null;
        boolean concat = false;
        
        DcModule module = DcModules.get(df.getModule());
        DcObject template = module.getItem();
          
        while(rs.next()) {
          values = new ArrayList<String>();
          ID = rs.getString("ID");


          // concatenate previous result set (needed for multiple references)
          if (ID.equals(previousID)) {
            values = result.get(result.size() - 1);
            concat = true;
          }
          
          for (int i = 0; i < fields.length; i++) {
            field = module.getField(fields[i]);


            if (!field.isUiOnly() && 
              field.getValueType() != DcRepository.ValueTypes._STRING &&
              field.getValueType() != DcRepository.ValueTypes._DCOBJECTREFERENCE) {

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     * @param childIdx The child module index.
     * @return The children or an empty collection.
     */
    public static List<DcObject> getChildren(String parentID, int childIdx, int[] fields) {
        DataFilter df = new DataFilter(childIdx);
        DcModule module = DcModules.get(childIdx);
        df.addEntry(new DataFilterEntry(DataFilterEntry._AND, childIdx, module.getParentReferenceFieldIndex(), Operator.EQUAL_TO, parentID));
        return new SelectQuery(df, null, fields).run();
    }

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     * @param childIdx The child module index.
     * @return The children or an empty collection.
     */
    public static Map<String, Integer> getChildrenKeys(String parentID, int childIdx) {
        DataFilter df = new DataFilter(childIdx);
        DcModule module = DcModules.get(childIdx);
        df.addEntry(new DataFilterEntry(DataFilterEntry._AND, childIdx, module.getParentReferenceFieldIndex(), Operator.EQUAL_TO, parentID));
        return getKeys(df);
    }

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        if (Utilities.isEmpty(name)) return null;
        
        // method 1: item is provided and exists
        int moduleIdx = DcModules.getReferencedModule(dco.getField(fieldIdx)).getIndex();
        DcModule module = DcModules.get(moduleIdx);
        DcObject ref = value instanceof DcObject ? (DcObject) value : null;


        // check if we are dealing with an external reference
        if (ref == null && module.getType() == DcModule._TYPE_EXTERNALREFERENCE_MODULE) {


            ref = getExternalReference(moduleIdx, name); 
        
        } else if (ref == null && module.getType() != DcModule._TYPE_EXTERNALREFERENCE_MODULE) {
            
            // method 2: simple external reference + display value comparison
            ref = DataManager.getObjectForString(moduleIdx, name);
    
            if (ref == null && fieldIdx != DcObject._SYS_EXTERNAL_REFERENCES) {
                ref = module.getItem();
                
                boolean onlinesearch = false;
                if (module.getType() == DcModule._TYPE_ASSOCIATE_MODULE) {
                    ref.setValue(DcAssociate._A_NAME, name);
                    onlinesearch = ref.getModule().deliversOnlineService() &&
                                   dco.getModule().getSettings().getBoolean(DcRepository.ModuleSettings.stOnlineSearchSubItems);  
                } else {
                    ref.setValue(ref.getSystemDisplayFieldIdx(), name);
                }
                
                if (onlinesearch) {
                    OnlineSearchHelper osh = new OnlineSearchHelper(moduleIdx, SearchTask._ITEM_MODE_FULL);
                    DcObject queried = osh.query(ref, name, new int[] {module.getSystemDisplayFieldIdx()});
                    ref = queried != null ? queried : ref;
                    osh.clear();
                }
                
                ref.setIDs();

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        List<DcObject> items = get(df, new int[] {DcObject._ID});
        return items.size() > 0 ? items.get(0) : null;    
    }    
    
    public static DcObject getObjectByExternalID(int moduleIdx, String type, String externalID) {
        DcModule module =  DcModules.get(moduleIdx);
       
        if (module.getField(DcObject._SYS_EXTERNAL_REFERENCES) == null) return null;
        
        DcModule extRefModule =  DcModules.get(moduleIdx + DcModules._EXTERNALREFERENCE);
        String sql = "SELECT ID FROM " + extRefModule.getTableName() + " WHERE " +
            "UPPER(" + extRefModule.getField(ExternalReference._EXTERNAL_ID).getDatabaseFieldName() + ") = UPPER(?) AND " +
            "UPPER(" + extRefModule.getField(ExternalReference._EXTERNAL_ID_TYPE).getDatabaseFieldName() + ") = UPPER(?)";
        
        Connection conn = DatabaseManager.getConnection();
        DcObject result = null;
        
        try {
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1, externalID);
            ps.setString(2, type);
            
            ResultSet rs = ps.executeQuery();
            String referenceID;
            while (rs.next()) {
                referenceID = rs.getString(1);
                
                int idx = DcModules.getMappingModIdx(extRefModule.getIndex() - DcModules._EXTERNALREFERENCE, extRefModule.getIndex(), DcObject._SYS_EXTERNAL_REFERENCES);
                DcModule mappingMod = DcModules.get(idx);
                sql = "SELECT * FROM " + DcModules.get(moduleIdx) + " WHERE ID IN (" +
                    "SELECT OBJECTID FROM " + mappingMod.getTableName() + 
                      " WHERE " + mappingMod.getField(DcMapping._B_REFERENCED_ID).getDatabaseFieldName() + " = ?)";
    
                PreparedStatement ps2 = conn.prepareStatement(sql);
                ps2.setString(1, referenceID);
                
                List<DcObject> items = WorkFlow.getInstance().convert(ps2.executeQuery(), new int[] {DcObject._ID});

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     * @param module
     * @param s The display value.
     * @return Either the item or null. 
     */
    private static DcObject getObjectForDisplayValue(int moduleIdx, String s) {
        DcModule module = DcModules.get(moduleIdx);


        try {
          String columns = module.getIndex() + " AS MODULEIDX";
          for (DcField field : module.getFields()) {
            if (!field.isUiOnly())
              columns += "," + field.getDatabaseFieldName();
          }
          
            String query = "SELECT " + columns + " FROM " + module.getTableName() + " WHERE " + 
                "RTRIM(LTRIM(UPPER(" + module.getField(module.getSystemDisplayFieldIdx()).getDatabaseFieldName() + "))) =  UPPER(?)";
            
            if (module.getType() == DcModule._TYPE_ASSOCIATE_MODULE)
              query += " OR RTRIM(LTRIM(UPPER(" + module.getField(DcAssociate._A_NAME).getDatabaseFieldName() + "))) LIKE ?"; 
            
            if (module.getType() == DcModule._TYPE_PROPERTY_MODULE)
                query += " OR RTRIM(LTRIM(UPPER(" + module.getField(DcProperty._C_ALTERNATIVE_NAMES).getDatabaseFieldName() + "))) LIKE ?"; 
            
            PreparedStatement ps = DatabaseManager.getConnection().prepareStatement(query);


            ps.setString(1, s);
            
            if (module.getType() == DcModule._TYPE_ASSOCIATE_MODULE) {
            String firstname = Utilities.getFirstName(s);
            String lastname = Utilities.getLastName(s);
            ps.setString(2, Utilities.getName(firstname, lastname, false).toUpperCase());
            }
            
            if (module.getType() == DcModule._TYPE_PROPERTY_MODULE)
                ps.setString(2,  ";%" + s.toUpperCase().trim() + "%;");
            
            List<DcObject> items = WorkFlow.getInstance().convert(ps.executeQuery(), new int[] {DcObject._ID});
            return items.size() > 0 ? items.get(0) : null;

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     * @see DataFilter
     * @param filter
     * @param fields 
     */
    public static List<DcSimpleValue> getSimpleValues(int module, boolean icons) {
        DcModule m = DcModules.get(module);
        boolean useIcons = icons && m.getIconField() != null;
        String sql = "select ID, " + m.getField(m.getDisplayFieldIdx()).getDatabaseFieldName() + 
                      (useIcons ? ", " + m.getIconField().getDatabaseFieldName() : " ") +  
                     " from " + m.getTableName() +
                     " order by 2";


        List<DcSimpleValue> values = new ArrayList<DcSimpleValue>();
        try {
            ResultSet rs = DatabaseManager.executeSQL(sql);

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                  }
              }
              
              try {
                  // fake registration to make sure the index is known
                  DcModule module = new DcModule(xm);
                  module.setValid(false);
                  DcModules.register(module);
                    mj.save();
                } catch (ModuleJarException e) {
                    logger.error(e, e);
                }

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        client.notifyStarted(data.size());
        
        client.notifyMessage(DcResources.getText("msgProcessingModuleItems"));
        
        for (String key : data.keySet()) {
            DcModule module = DcModules.get(key);
            
            client.notifyMessage(DcResources.getText("msgProcessingItemsForX", key));
            
                // for existing module data has to be loaded manually.
                // new modules can use the demo data / default data functionality.
            if (module != null) {
                
                client.notifyMessage(DcResources.getText("msgModuleExistsMergingItems"));
                
                // place the images in the correct folder
                storeImages(key, icons.get(key), true);
                // start the import process
                loadItems(data.get(key), module.getIndex());
                
                
            } else { 
                try {
                    client.notifyMessage(DcResources.getText("msgModuleIsNewCreatingItems"));

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public class AdministrationMenu extends DcMenu {
    
    public AdministrationMenu(DcModule module) {
        super(DcResources.getText("lblAdministration"));
        
        DcModule child = module.getChild();
        
        for (DcPropertyModule pm : DcModules.getPropertyModules(module)) {
            int sourceIdx = pm.isServingMultipleModules() ? pm.getIndex() : pm.getIndex() - module.getIndex();
            if (child != null && child.hasReferenceTo(sourceIdx) && !pm.isServingMultipleModules()) {
                add(pm, module.getObjectName() + " " + pm.getObjectNamePlural());
                add((DcPropertyModule) DcModules.get(sourceIdx + child.getIndex()), 
                    child.getObjectName() + " " + DcModules.get(sourceIdx + child.getIndex()).getObjectNamePlural());
            } else {
                add(pm, pm.getObjectNamePlural());
            }
        }


        // add references to property modules for the child
        if (child != null) {
            for (DcPropertyModule pm : DcModules.getPropertyModules(child)) {
                int sourceIdx = pm.isServingMultipleModules() ? pm.getIndex() : pm.getIndex() - child.getIndex();
                if (!module.hasReferenceTo(sourceIdx) && !pm.isServingMultipleModules())
                    add(pm, child.getObjectName() + " " + pm.getObjectNamePlural());
            }
        }
        
        if (module.isTopModule() &&  module.getTemplateModule() != null) {
          addSeparator();

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