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

        }
    }
    
    @Override
    protected void createTopNode() {
        DcModule mod = DcModules.get(getModule());
        String label = mod.getObjectNamePlural();
        
        if (isEnabled() && fields != null && fields.length > 0) {
            label += " by ";
            for (int i = 0; i < fields.length; i++)
                label += (i > 0 ? " & " : "") + mod.getField(fields[i]).getLabel();
        }
        
        top = new DcDefaultMutableTreeNode(label);
        top.setUserObject(new NodeElement(null, label, null));
    }

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        //**********************************************************
        //Tabbed pane
        //**********************************************************
        JTabbedPane tp = ComponentFactory.getTabbedPane();
        
        DcModule module = DcModules.getCurrent();
        fsp = new FieldSelectionPanel(module, false, true, true);
        
        int[] fields = (int[]) module.getSetting(DcRepository.ModuleSettings.stCardViewItemDescription);
        fsp.setSelectedFields(fields);
        
        DcColorSelector csTextBg = ComponentFactory.getColorSelector(DcRepository.Settings.stCardViewBackgroundColor);
        DcColorSelector csOdd = ComponentFactory.getColorSelector(DcRepository.Settings.stOddRowColor);
        DcColorSelector csEven = ComponentFactory.getColorSelector(DcRepository.Settings.stEvenRowColor);

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         * Creates a flat structure of the tree to be build.
         * The tree is created based on the result one SQL statement.
         * @param fields
         */
        private void createTree(int[] fields) {
            DcModule m = DcModules.get(getModule());


            StringBuffer sql = new StringBuffer("");
            
            List<String> joinOn = new ArrayList<String>();
            
            DcField field;
            DcModule reference;
            DcModule main;
            
            Collection<DcModule> modules = new ArrayList<DcModule>();
            
            if (m.isAbstract()) {
              modules = DcModules.getPersistentModules(m);
            } else {
              modules.add(m);
            }
            
            int moduleCounter = 0;
            int fieldCounter = 0;
            
            StringBuffer columns;
            StringBuffer joins;
            
            for (DcModule module : modules) {
              
              fieldCounter = 0;


              columns = new StringBuffer("select ");
                joins = new StringBuffer("from ");
                joins.append(module.getTableName());
                
              if (moduleCounter > 0)
                sql.append(" UNION ");
              
                columns.append(module.getTableName());
                columns.append(".ID, ");
                columns.append(module.getIndex());
                columns.append(" AS MODULEIDX");      
              
              for (int idx : fields) {
                  field = module.getField(idx);
                  if (field.isUiOnly() &&
                      field.getValueType() != DcRepository.ValueTypes._DCOBJECTCOLLECTION &&
                      field.getValueType() != DcRepository.ValueTypes._DCOBJECTREFERENCE) continue;
                  
                    columns.append(",");
                  
                  joinOn.add(module.getTableName() + fieldCounter + ".ID");
                  
                  if (field.getValueType() == DcRepository.ValueTypes._DCOBJECTCOLLECTION ||
                      field.getValueType() == DcRepository.ValueTypes._DCOBJECTREFERENCE) {
  
                      reference = DcModules.get(field.getReferenceIdx());
                      main = field.getValueType() == DcRepository.ValueTypes._DCOBJECTREFERENCE ? module : 
                             DcModules.get(DcModules.getMappingModIdx(module.getIndex(), reference.getIndex(), field.getIndex()));
  
                      if (    field.getValueType() == DcRepository.ValueTypes._DCOBJECTCOLLECTION ||
                              field.getFieldType() == ComponentFactory._REFERENCEFIELD) {
                          
                          columns.append("subselect");
                          columns.append(fieldCounter);
                          columns.append(".ID AS ");
                          columns.append("ID");
                          columns.append(fieldCounter);
                          columns.append(", ");
                          
                          columns.append("subselect");
                          columns.append(fieldCounter);
                          columns.append(".name AS ");
                          columns.append("NAME");
                          columns.append(fieldCounter);
                          columns.append(", ");
                          
                          columns.append("subselect");
                          columns.append(fieldCounter);                            
                          columns.append(".icon AS ");
                          columns.append("ICON");
                          columns.append(fieldCounter);
                              
                          if (field.getValueType() == DcRepository.ValueTypes._DCOBJECTCOLLECTION) {
                              joins.append(" left outer join ");
                              joins.append("(select ");
                              joins.append(reference.getTableName());
                              joins.append(".ID as ID,");
                              joins.append(main.getTableName());
                              joins.append(".");
                              joins.append(main.getField(DcMapping._A_PARENT_ID).getDatabaseFieldName());
                              joins.append(" as parentID, ");
                              joins.append(reference.getTableName());
                              joins.append(".");
                              joins.append(reference.getField(reference.getSystemDisplayFieldIdx()).getDatabaseFieldName());
                              joins.append(" as name,");
                              
                              if (reference.getType() == DcModule._TYPE_PROPERTY_MODULE) {
                                  joins.append(reference.getTableName());
                                  joins.append(".");
                                  joins.append(reference.getField(DcProperty._B_ICON).getDatabaseFieldName());
                              } else {
                                  joins.append("NULL");
                              }
                              
                              joins.append(" as icon");
                              joins.append(" from ");
                              joins.append(reference.getTableName());
                              joins.append(" inner join ");
                              joins.append(main.getTableName());
                              joins.append(" on ");
                              joins.append(reference.getTableName());
                              joins.append(".ID = ");
                              joins.append(main.getTableName());
                              joins.append(".");
                              joins.append(main.getField(DcMapping._B_REFERENCED_ID).getDatabaseFieldName());
                              joins.append(") subselect");
                              joins.append(fieldCounter);
                              joins.append(" on ");
                              joins.append(" subselect");
                              joins.append(fieldCounter);

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        if (!DcSwingUtilities.displayQuestion("msgDeleteModuleConfirmation"))
            return;
        
        XmlModule xmlModule = (XmlModule) getCurrent().apply();
        DcModule module = DcModules.get(xmlModule.getIndex()) == null ?
                          DcModules.getPropertyBaseModule(xmlModule.getIndex()) : 
                          DcModules.get(xmlModule.getIndex());
                          
        try {
            module.delete();


            // update the referencing modules; remove fields holding a reference to this module
            Collection<XmlField> remove = new ArrayList<XmlField>();
            for (DcModule reference : DcModules.getReferencingModules(xmlModule.getIndex())) {
                if (reference != null && reference.getXmlModule() != null) {
                    for (XmlField field : reference.getXmlModule().getFields()){
                        if (reference.getField(field.getIndex()).getSourceModuleIdx() == xmlModule.getIndex())
                            remove.add(field);
                    }
                    reference.getXmlModule().getFields().removeAll(remove);
                    new ModuleJar(reference.getXmlModule()).save();
                }
            }
            
            // parent child relation should be undone
            undoParentChildRelation(module.getParent() != null ? module.getParent() : module.getChild());
            
            // make sure the 'hasDependingModules' property is corrected for modules holding
            // a referencing to this module
            for (DcField field : module.getFields()) {
                if (field.getValueType() == DcRepository.ValueTypes._DCOBJECTREFERENCE) {
                    DcModule reference = DcModules.getReferencedModule(field);
                    
                    if (reference.getXmlModule() == null) continue;


                    if (reference.hasDependingModules() && DcModules.getReferencingModules(reference.getIndex()).size() == 1)
                        reference.getXmlModule().setHasDependingModules(false);
                    
                    new ModuleJar(reference.getXmlModule()).save();
                }
            }
            
            // not needed for property base modules
            if (DcModules.get(xmlModule.getIndex()) != null) {

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        super();
        
        setTitle(DcResources.getText("lblViewSettings"));
        setHelpIndex("dc.settings.tableview");


        DcModule module = DcModules.getCurrent();
        
        fspParent = new FieldSelectionPanel(module, true, true, true);
        fspParent.setSelectedFields((int[]) module.getSetting(DcRepository.ModuleSettings.stTableColumnOrder));
        if (module.getChild() != null) {
            fspChild = new FieldSelectionPanel(module.getChild(), true, true, true);
            fspChild.setSelectedFields((int[]) module.getChild().getSetting(DcRepository.ModuleSettings.stTableColumnOrder));
        }
        
        build();
        pack();
        
        setSize(module.getSettings().getDimension(DcRepository.ModuleSettings.stTableViewSettingsDialogSize));
        setCenteredLocation();
    }

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          ResultSetMetaData md = rs.getMetaData();
          
          int fieldStart = 1;
            int[] fields = null;
            DcObject dco;
            DcModule module = null;
            while (rs.next()) {
              try {
                int moduleIdx = rs.getInt("MODULEIDX");
              module = DcModules.get(moduleIdx);
              fieldStart = 2;
              } catch (Exception e) {
                module = DcModules.get(md.getTableName(1));
              }
              
              if (fields == null) {
                  fields = new int[md.getColumnCount() - (fieldStart - 1)];
                  int fieldIdx = 0;
                  for (int i = fieldStart; i < fields.length + fieldStart; i++) {
                    String column = md.getColumnName(i);
                      fields[fieldIdx++] = module.getField(column).getIndex();
                  }
              }
              
              dco = module.getItem();
                setValues(rs, dco, fields, requestedFields);


                objects.add(dco);
            }
        } catch (Exception e) {

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        ResultSet rs = null;     
        String sql = null;
        
        try {
        
          DcModule module = DcModules.get(DcModules._CONTAINER);
          
          DataFilter df = DataFilters.getCurrent(DcModules._CONTAINER);
          sql = df.toSQL(new int[] {Container._ID, Container._A_NAME, Container._F_PARENT, Container._E_ICON}, true, false);
          
          conn = DatabaseManager.getConnection();
          stmt = conn.createStatement();
          
          logger.debug(sql);
          rs = stmt.executeQuery(sql);
          
          String name;
          String id;
          String parentId;
          String icon;
          
          Map<String, DcImageIcon> icons = new HashMap<String, DcImageIcon>();
          Map<String, String> parents = new LinkedHashMap<String, String>();
          Map<String, String> all = new LinkedHashMap<String, String>();
          Map<String, Collection<String>> relations = new HashMap<String, Collection<String>>();
          
          
          Settings settings = DcModules.get(DcModules._CONTAINER).getSettings();
          boolean flatView = settings.getBoolean(DcRepository.ModuleSettings.stContainerTreePanelFlat);
          
          while (rs.next()) {
            id = rs.getString(module.getField(Container._ID).getDatabaseFieldName()); 
            name = rs.getString(module.getField(Container._A_NAME).getDatabaseFieldName());
            parentId = rs.getString(module.getField(Container._F_PARENT).getDatabaseFieldName());
            icon = rs.getString(module.getField(Container._E_ICON).getDatabaseFieldName());
            
            if (parentId != null && !flatView) {
              Collection<String> children = relations.get(parentId);
              children = children == null ? new ArrayList<String>() : children;
              children.add(id);
              relations.put(parentId, children);
            } else {
              parents.put(id, name);  
            }
            
            if (icon != null) icons.put(id, Utilities.base64ToImage(icon));
            all.put(id, name);
          }
          
          DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
          int counter = 0;
          for (String parentKey : parents.keySet()) {
            
            if (stop) break;
            
            ContainerNodeElement ne = new ContainerNodeElement(parentKey, (String) parents.get(parentKey), icons.get(parentKey));
            DcDefaultMutableTreeNode current = new DcDefaultMutableTreeNode(ne);
            model.insertNodeInto(current, top, counter++);
            top.addItem(parentKey, Integer.valueOf(module.getIndex()));
            createChildren(model, parentKey, current, relations, all, icons);
          }
          
        } catch (Exception e) {
          logger.error("Error while building the container tree", e);

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            new ModuleJar(module).save();
            
            for (XmlField field : module.getFields()) {
                
                if (field.getModuleReference() !=  0 && field.getModuleReference() != module.getIndex()) {
                    DcModule m = DcModules.get(field.getModuleReference()) == null ? 
                                 DcModules.get(field.getModuleReference() + module.getIndex()) : 
                                 DcModules.get(field.getModuleReference());
                    
                    if (m != null && m.getXmlModule() != null)
                        new ModuleJar(m.getXmlModule()).save();
                } 
            }
            
            module.setServingMultipleModules(true);


            DcModule result = DcModules.convert(module);
            DcModules.register(result);
            DcModules.registerPropertyModules(result);


            Settings settings = result.getSettings();
            DcFieldDefinitions definitions = (DcFieldDefinitions) settings.getDefinitions(DcRepository.ModuleSettings.stFieldDefinitions);
            DcFieldDefinition definition;
            for (XmlField field : module.getFields()) {
                definition = definitions.get(field.getIndex());

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    }
    
    private Collection<DcField> getDefaultFields() {
        XmlModule xmlModule = getModule();


        DcModule module = null;
        if (xmlModule.getModuleClass() != null) { 
            if (xmlModule.getModuleClass().equals(DcMediaModule.class))
                module = new DcMediaModule(10, false, "", "", "", "", "", "");
            else if (xmlModule.getModuleClass().equals(DcPropertyModule.class))
                module = new DcPropertyModule(10, "", "", "", "", "");
            else if (xmlModule.getModuleClass().equals(DcAssociateModule.class))
                module = new DcAssociateModule(10, "", "", "", "", "", "");
        }
        
        return module != null ? module.getFields() : new ArrayList<DcField>();
    }

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        return table;
    }
    
    private String getChildTable(DcObject dco) {
        DcModule module = dco.getModule().getChild();
        
        QuickViewFieldDefinitions definitions = 
            (QuickViewFieldDefinitions) module.getSettings().getDefinitions(DcRepository.ModuleSettings.stQuickViewFieldDefinitions);
        
        if (!module.isAbstract()) {
            Collection<Integer> additional = new ArrayList<Integer>();
            for (QuickViewFieldDefinition definition : definitions.getDefinitions())
                if (definition.isEnabled())
                    additional.add(definition.getField());
            
            dco.loadChildren(module.getMinimalFields(additional));
        } else {
            dco.loadChildren(new int[] {DcObject._ID});
        }
        
        Collection<DcObject> children = dco.getChildren();
        
        if (children == null || children.size() == 0)
            return "";
        
        String table = "<br><h3>" + module.getObjectNamePlural() + "</h3>";
        
        table += "<table " + Utilities.getHtmlStyle(DcSettings.getColor(DcRepository.Settings.stQuickViewBackgroundColor)) + ">\n";
        
        boolean first;
        StringBuffer description;
        String value;


        for (DcObject child : children) {
            
            if (module.isAbstract())
                child.load(new int[] {DcObject._ID, child.getModule().getDisplayFieldIdx()});
            
            table += "<tr><td>";


            first = true;

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