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

    private static DcField getField(String s) {
        try {
            int mod = Integer.parseInt(s.substring(0, s.indexOf("/&/")));
            String columnName = s.substring(s.indexOf("/&/") + 3, s.length());
            
            DcModule module = DcModules.get(mod);
            for (DcField field : module.getFields()) {
                if (field.getDatabaseFieldName().equalsIgnoreCase(columnName))
                    return field;
            }
        } catch (Exception exp) {
            logger.error("Could not find valid field information in " + s);

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    @Override
    public Object apply(DcField field, Object value) {
        Object result = value;
        
        DcModule module = DcModules.get(field.getModule());
        int counter = 0;
        
        try {
            if (!fillGaps) {
                String query = "SELECT MAX(" + field.getDatabaseFieldName() + ") AS COUNTMAXIMUM FROM " +
                               module.getTableName();
                ResultSet rs = DatabaseManager.executeSQL(query);
                int maximum = 0;
                while (rs.next()) {
                    maximum = rs.getInt("COUNTMAXIMUM");
                }
                
                result = Long.valueOf(maximum + getStep());
                rs.close();
            } else {
                counter = counter + getStep();
                
                String qryCurrent = "SELECT " + field.getDatabaseFieldName() + " FROM " + module.getTableName() + 
                " WHERE " + field.getDatabaseFieldName() + " IS NOT NULL AND " +
                field.getDatabaseFieldName() + " > 0 " +
                "ORDER BY 1";            
                
                Collection<Integer> currentValues = new ArrayList<Integer>();

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    public ViewPopupMenu(DcObject dco, int viewType, int viewIdx) {
        
        this.dco = dco;
        
        DcModule current = DcModules.getCurrent();
        
        DcModule module = dco.getModule();
        if (viewType == View._TYPE_SEARCH && 
            !module.isChildModule() &&
            !(current.getIndex() == DcModules._CONTAINER && 
              dco.getModule().getIndex() != DcModules._CONTAINER)) {


            if (module.isAbstract())
                PluginHelper.add(this, "SaveSelected");
            
            PluginHelper.add(this, "OpenItem");
            
            if (module.getIndex() != DcModules._USER)
                PluginHelper.add(this, "EditAsNew", null, dco, null, -1, module.getIndex());
        }
        
        String filename = dco.getFilename();
        File file = !Utilities.isEmpty(filename) ? new File(filename) : null;
        
        if (viewType == View._TYPE_SEARCH) { 
            if (dco.getModule().getParent() != null) {
                // in case a child is selected, make sure its the child which is going to be deleted
                // and not the parent (via the DcModules.getCurrent(), which returns the parent).
                PluginHelper.add(this, "Delete", module.getIndex());
            } else if ((current.getIndex() == DcModules._CONTAINER && dco.getModule().getIndex() != DcModules._CONTAINER)) {
                PluginHelper.add(this, "Delete", DcModules._ITEM);                
            } else {
                // make sure the actual SELECTED module is used for deleting the item. otherwise, if
                // the media module is selected, the item from the, for example, software module view
                // is deleted.
                PluginHelper.add(this, "Delete", DcModules.getCurrent().getIndex());
            }
            
            if (file != null && SecurityCentre.getInstance().getUser().isAdmin() && dco.getModule().isFileBacked()) {
                
                JMenu menuFile = ComponentFactory.getMenu(IconLibrary._icoDriveManager, DcResources.getText("lblFile"));
                
                JMenuItem miDelete = ComponentFactory.getMenuItem(IconLibrary._icoDelete, DcResources.getText("lblDeleteFile"));
                miDelete.addActionListener(this);
                miDelete.setActionCommand("deleteFile");
                miDelete.setEnabled(file.exists());


                JMenuItem miMove = ComponentFactory.getMenuItem(DcResources.getText("lblMoveFile"));
                miMove.addActionListener(this);
                miMove.setActionCommand("moveFile");
                miMove.setEnabled(file.exists());


                JMenuItem miLocateHP = ComponentFactory.getMenuItem(IconLibrary._icoDriveScanner, DcResources.getText("lblLocateFile", DcResources.getText("lblMatchOnHashAndSize")));
                miLocateHP.addActionListener(this);
                miLocateHP.setActionCommand("locateFileHP");
                miLocateHP.setEnabled(!file.exists() && dco.isFilled(DcObject._SYS_FILEHASH) && dco.isFilled(DcObject._SYS_FILESIZE));
                
                JMenuItem miLocateMP = ComponentFactory.getMenuItem(IconLibrary._icoDriveScanner, DcResources.getText("lblLocateFile", DcResources.getText("lblMatchOnFilenameAndSize")));
                miLocateMP.addActionListener(this);
                miLocateMP.setActionCommand("locateFileMP");
                miLocateMP.setEnabled(!file.exists() && dco.isFilled(DcObject._SYS_FILESIZE));            


                JMenuItem miLocateLP = ComponentFactory.getMenuItem(IconLibrary._icoDriveScanner, DcResources.getText("lblLocateFile", DcResources.getText("lblMatchOnFilename")));
                miLocateLP.addActionListener(this);
                miLocateLP.setActionCommand("locateFileLP");
                miLocateLP.setEnabled(!file.exists());        
                
                menuFile.add(miDelete);
                menuFile.add(miMove);
                menuFile.add(miLocateHP);
                menuFile.add(miLocateMP);
                menuFile.add(miLocateLP);
                
                addSeparator();
                add(menuFile);
            }            
            
        } else {
            PluginHelper.add(this, "RemoveRow", DcModules.getCurrent().getIndex());
            PluginHelper.add(this, "AddRow", DcModules.getCurrent().getIndex());
        }   
        
        if (viewType == View._TYPE_SEARCH && 
            module.getIndex() == DcModules._USER &&
            SecurityCentre.getInstance().getUser().isAuthorized("SetPassword")) {


            addSeparator();
            PluginHelper.add(this, "SetPassword", "", dco, null, viewType, DcModules.getCurrent().getIndex());
        }


        if (!DcModules.getCurrent().isAbstract()) {
            addSeparator();
            PluginHelper.add(this, "ItemExporterWizard", "", dco, null, viewIdx, dco.getModule().getIndex());
        }
        
        if (viewType == View._TYPE_SEARCH && DcModules.getCurrent().hasReports()) {
            PluginHelper.add(this, "Report", "", dco, null, viewIdx, DcModules.getCurrent().getIndex());
        }
        
        addSeparator();
        PluginHelper.add(this, "Sort");
        
        if (  viewType == View._TYPE_SEARCH && 
            module.canBeLend() &&
            SecurityCentre.getInstance().getUser().isAuthorized("Loan")) {
          
            addSeparator();
            PluginHelper.add(this, "Loan");
        }


        addSeparator();


        JMenu menuAdmin = ComponentFactory.getMenu(IconLibrary._icoModuleTypeProperty16, DcResources.getText("lblAdministration"));
        
        Collection<DcPropertyModule> modules = new ArrayList<DcPropertyModule>(); 
        for (DcFieldDefinition definition : module.getFieldDefinitions().getDefinitions()) {
            DcField field = module.getField(definition.getIndex());
            DcPropertyModule pm = DcModules.getPropertyModule(field);
            
            if (pm != null && !modules.contains(pm))
                modules.add(pm);
        }


        for (DcModule pm : modules) {
            try {
                Plugin plugin = Plugins.getInstance().get("ManageItem", dco, null, viewIdx,  pm.getIndex());
                if (    plugin != null &&SecurityCentre.getInstance().getUser().isAuthorized(plugin) &&
                        UserMode.isCorrectXpLevel(plugin.getXpLevel())) {
                    
                    JMenuItem item = ComponentFactory.getMenuItem(plugin);
                    item.setEnabled(plugin.isEnabled());
                    item.setIcon(plugin.getIcon());
                    
                    menuAdmin.add(item);
                }
            } catch (InvalidPluginException e) {
                logger.error(e, e);
            }
        }
        
        if (menuAdmin.getItemCount() > 0)
            add(menuAdmin);
        
        addSeparator();
        PluginHelper.add(this, "ViewSettings");
        
        if (viewType == View._TYPE_SEARCH) {
            FileImporter importer = module.getImporter();
            if (importer != null && importer.allowReparsing() && module.getFileField() != null) { 
                addSeparator();
                PluginHelper.add(this, "AttachFileInfo");
            }
        }
        
        addSeparator();
        
        if (current.getIndex() != DcModules._ITEM) {
            PluginHelper.add(this, "UpdateAll", module.getIndex());
            PluginHelper.add(this, "FindReplace", module.getIndex());
        }
        
        if (file != null && dco.getModule().isFileBacked())
            PluginHelper.add(this, "FileLauncher", module.getIndex());
        
        Collection<Plugin> plugins = Plugins.getInstance().getUserPlugins(dco, viewType, module.getIndex());
        for (Plugin plugin : plugins) {
            if (plugin.isShowInPopupMenu()) {
                addSeparator();
                add(ComponentFactory.getMenuItem(plugin));
            }

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        List<DcReference> references = new ArrayList<DcReference>();
        if (getDcField().getFieldType() == ComponentFactory._RATINGCOMBOBOX) {
            for (int rating = -1; rating < 11; rating++)
                references.add(new DcReference(Rating.getLabel(rating), String.valueOf(rating)));
        } else {
            DcModule module = DcModules.getReferencedModule(getDcField());
            for (DcSimpleValue value : DataManager.getSimpleValues(module.getIndex(), false))
                references.add(new DcReference(value.getName(), value.getID()));
        }
        return references; 
    }

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            df = new DataFilter(moduleIdx);
            
            setFields(moduleIdx);
            modules.add(new DcWebModule(moduleIdx, DcModules.get(moduleIdx).getLabel()));
            
            DcModule child = DcModules.get(moduleIdx).getChild();
            if (child != null) {
                modules.add(new DcWebModule(child.getIndex(), DcModules.get(child.getIndex()).getLabel()));
                setFields(child.getIndex());
            }
        }
        
        setFieldIdx(fields.get(moduleIdx).get(0).getIndex(), moduleIdx);
    }

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        if (tab == 4 && !isPictureTabVisible())
            tab = 0;
    }


    public void loadChildren() {
        DcModule childModule = DcModules.get(getModule()).getChild(); 
        
        List<List<?>> woChildren = new ArrayList<List<?>>();
        List<DcWebField> woFields = new ArrayList<DcWebField>();
        getDcObject().setChildren(new ArrayList<DcObject>());
        getDcObject().loadChildren(null);
        if (getDcObject().getModule().getChild() != null) {
            for (DcObject child : getDcObject().getChildren()) {
                List<Object> values = new ArrayList<Object>();


                for (WebFieldDefinition def : childModule.getWebFieldDefinitions().getDefinitions()) {
                    DcField field = child.getModule().getField(def.getField());
                    if (def.isOverview() && getUser().isAuthorized(field) && field.isEnabled()) {
                        String s = child.getDisplayString(field.getIndex());
                        
                        if (def.getMaxTextLength() != 0 && field.getValueType() != DcRepository.ValueTypes._PICTURE)
                            s = StringUtils.concatUserFriendly(s, def.getMaxTextLength());


                        values.add(s);
                    }
                }
                values.add(child.getID());
                woChildren.add(values);
            }
            
            for (WebFieldDefinition def : DcModules.get(DcModules.get(getModule()).getChild().getIndex()).getWebFieldDefinitions().getDefinitions()) {
                DcField field = childModule.getField(def.getField());
                if (def.isOverview() && getUser().isAuthorized(field) && field.isEnabled()) {
                    DcWebField wf = new DcWebField(field);
                    wf.setWidth(def.getWidth());
                    wf.setLinkToDetails(def.isLink());
                    wf.setMaxTextLength(def.getMaxTextLength());

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                    module.getIndex() != DcModules._USER) {
                
                modules.add(new DcWebModule(module.getIndex(), module.getLabel()));
                
                for (DcField field : module.getFields()) {
                    DcModule referencedMod = DcModules.getReferencedModule(field);
                    if (    getUser().isAuthorized(module) &&
                            referencedMod.isEnabled() &&
                            referencedMod.getIndex() != module.getIndex() && 
                          !(referencedMod instanceof DcPropertyModule) &&
                            referencedMod.getIndex() != DcModules._CONTACTPERSON &&
                            referencedMod.getIndex() != DcModules._CONTAINER) {
                        
                        modules.add(new DcWebModule(referencedMod.getIndex(), referencedMod.getLabel()));
                    }
                }
            }
        }
    }

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    public static void refresh() {
        templates.clear();
        
        for (DcModule module : DcModules.getAllModules()) {
            if (module.getTemplateModule() != null) {
                DcModule templateModule = module.getTemplateModule();


                try {
                  for (DcObject dco : DataManager.get(templateModule.getIndex(), null))
                    templates.add((DcTemplate) dco);
                } catch (Exception e) {
                    logger.error("Could not refresh the taemplate list for " + module, e);


                }

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     * Sets the order. Results retrieved will be sorted based on this order.
     * @param s Array of field names (column names).
     */
    public void setOrder(String[] s) {
        order = new DcField[s.length];
        DcModule m = DcModules.get(module);
        for (int i = 0; i < s.length; i++)
            order[i] = m.getField(s[i]);
    }

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     * @param fields
     * @param order
     * @return
     */
    public String toSQLFlatStructure(int[] fields) {
      DcModule module = DcModules.get(getModule());
      int[] queryFields = fields == null || fields.length == 0 ? module.getFieldIndices() : fields;
      
      StringBuffer sql = new StringBuffer();
      StringBuffer joins = new StringBuffer();
      
      sql.append("SELECT ");
      joins.append(" FROM ");
      joins.append(module.getTableName());
      joins.append(" MAINTABLE ");
      
      DcModule mapping;
      DcModule reference;
      String subTable;
      String mapTable;
      int tableCounter = 0;
      int columnCounter = 0;
      
      for (int idx : queryFields) {
        DcField field = module.getField(idx);
        
        if (columnCounter > 0)
          sql.append(", ");
        
        if (field.getValueType() == DcRepository.ValueTypes._DCOBJECTCOLLECTION) {
          mapping = DcModules.get(DcModules.getMappingModIdx(module.getIndex(), field.getReferenceIdx(), field.getIndex()));
          reference = DcModules.get(field.getReferenceIdx());
          
          mapTable = " MAPTABLE" + tableCounter;
          
          joins.append(" LEFT OUTER JOIN ");
          joins.append(mapping.getTableName());
          joins.append(mapTable);
          joins.append(" ON ");
          joins.append(mapTable);
          joins.append(".");
          joins.append(mapping.getField(DcMapping._A_PARENT_ID).getDatabaseFieldName());
          joins.append(" = MAINTABLE.ID");
          
          subTable = " SUBTABLE" + tableCounter;
          joins.append(" INNER JOIN ");
          joins.append(reference.getTableName());
          joins.append(subTable);
          joins.append(" ON ");
          joins.append(subTable);
          joins.append(".ID");
          joins.append(" = ");
          joins.append(mapTable);
          joins.append(".");
          joins.append(mapping.getField(DcMapping._B_REFERENCED_ID).getDatabaseFieldName());
          
          sql.append(subTable);
          sql.append(".");
          sql.append(reference.getField(reference.getDisplayFieldIdx()).getDatabaseFieldName());
          tableCounter++;
          
        } else if (field.getValueType() == DcRepository.ValueTypes._DCOBJECTREFERENCE) {
          reference = DcModules.get(field.getReferenceIdx());
          subTable = " SUBTABLE" + tableCounter;
          joins.append(" LEFT OUTER JOIN ");
          joins.append(reference.getTableName());
          joins.append(subTable);
          joins.append(" ON ");
          joins.append(subTable);
          joins.append(".ID = MAINTABLE.");
          joins.append(field.getDatabaseFieldName());
          
          sql.append(subTable);
          sql.append(".");
          sql.append(reference.getField(reference.getDisplayFieldIdx()).getDatabaseFieldName());
          tableCounter++;
          
        } else if (field.getValueType() == DcRepository.ValueTypes._PICTURE) {
          reference = DcModules.get(DcModules._PICTURE);
          subTable = " SUBTABLE" + tableCounter;
          
          sql.append("(case when ");
          sql.append(subTable);
          sql.append(".OBJECTID IS NULL then '' else ");
          sql.append("'/mediaimages/'+MAINTABLE.ID+'_");
          sql.append(field.getDatabaseFieldName());
          sql.append("_small.jpg' ");
          sql.append("END) AS ");
          sql.append(field.getDatabaseFieldName());
          
          joins.append(" LEFT OUTER JOIN ");
          joins.append(reference.getTableName());
          joins.append(subTable);
          joins.append(" ON ");
          joins.append(subTable);
          joins.append(".OBJECTID = MAINTABLE.ID");
          joins.append(" AND ");
          joins.append(subTable);
          joins.append(".");
          joins.append(reference.getField(Picture._B_FIELD));
          joins.append("='");
          joins.append(field.getDatabaseFieldName());
          joins.append("'");


        } else if (field.getIndex() == DcObject._SYS_AVAILABLE ||

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