Examples with IMetadataTable org.talend.core.model.metadata.IMetadataTable used on opensource projects

Example 91 with IMetadataTable

use of org.talend.core.model.metadata.IMetadataTable in project tdi-studio-se by Talend.

the class MapperManager method addRejectOutput.

public void addRejectOutput() {
    String baseName = ERROR_REJECT;
    IProcess process = getAbstractMapComponent().getProcess();
    String tableName = baseName;
    if (!process.checkValidConnectionName(baseName) && process instanceof IProcess2) {
        final String uniqueName = ((IProcess2) process).generateUniqueConnectionName("row", baseName);
        tableName = uniqueName;
        ((IProcess2) process).addUniqueConnectionName(uniqueName);
    } else if (process instanceof IProcess2) {
        tableName = baseName;
        ((IProcess2) process).addUniqueConnectionName(baseName);
    }
    IMetadataTable metadataTable = getNewMetadataTable();
    metadataTable.setTableName(tableName);
    MetadataColumn errorMessageCol = new MetadataColumn();
    errorMessageCol.setLabel(ERROR_REJECT_MESSAGE);
    errorMessageCol.setTalendType(DesignerPlugin.getDefault().getPreferenceStore().getString(MetadataTypeLengthConstants.FIELD_DEFAULT_TYPE));
    errorMessageCol.setNullable(true);
    errorMessageCol.setOriginalDbColumnName(ERROR_REJECT_MESSAGE);
    errorMessageCol.setReadOnly(true);
    errorMessageCol.setCustom(true);
    errorMessageCol.setCustomId(0);
    metadataTable.getListColumns().add(errorMessageCol);
    MetadataColumn errorStackTrace = new MetadataColumn();
    errorStackTrace.setLabel(ERROR_REJECT_STACK_TRACE);
    errorStackTrace.setTalendType(DesignerPlugin.getDefault().getPreferenceStore().getString(MetadataTypeLengthConstants.FIELD_DEFAULT_TYPE));
    errorStackTrace.setNullable(true);
    errorStackTrace.setOriginalDbColumnName(ERROR_REJECT_STACK_TRACE);
    errorStackTrace.setReadOnly(true);
    errorStackTrace.setCustom(true);
    errorStackTrace.setCustomId(1);
    metadataTable.getListColumns().add(errorStackTrace);
    OutputTable abstractDataMapTable = new OutputTable(this, metadataTable, tableName);
    abstractDataMapTable.setErrorRejectTable(true);
    abstractDataMapTable.initFromExternalData(null);
    TablesZoneView tablesZoneViewOutputs = uiManager.getTablesZoneViewOutputs();
    DataMapTableView rejectDataMapTableView = uiManager.createNewOutputTableView(null, abstractDataMapTable, tablesZoneViewOutputs);
    tablesZoneViewOutputs.setSize(tablesZoneViewOutputs.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    List<DataMapTableView> outputsTablesView = uiManager.getOutputsTablesView();
    int sizeList = outputsTablesView.size();
    for (int i = 0; i < sizeList; i++) {
        if (i + 1 < sizeList) {
            FormData formData = (FormData) outputsTablesView.get(i + 1).getLayoutData();
            formData.top = new FormAttachment(outputsTablesView.get(i));
        }
    }
    CustomTableManager.addCustomManagementToTable(uiManager.getOutputMetaEditorView(), true);
    tablesZoneViewOutputs.setSize(tablesZoneViewOutputs.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    tablesZoneViewOutputs.layout();
    uiManager.moveOutputScrollBarZoneToMax();
    uiManager.refreshBackground(true, false);
    uiManager.selectDataMapTableView(rejectDataMapTableView, true, false);
}

Example 92 with IMetadataTable

use of org.talend.core.model.metadata.IMetadataTable in project tdi-studio-se by Talend.

the class MapperManager method addOutput.

/**
     * DOC amaumont Comment method "addOutput".
     */
public void addOutput() {
    String joinTableName = null;
    OutputTable abstractDataMapTable = null;
    String name = uiManager.openNewOutputCreationDialog();
    if (name == null) {
        return;
    }
    String[] split = name.split(uiManager.NAME_SEPARATOR);
    String tableName = split[0];
    boolean isCreatingJoinTable = split.length == 2;
    if (isCreatingJoinTable) {
        joinTableName = split[1];
    }
    IProcess process = getAbstractMapComponent().getProcess();
    OutputTable orignalOutputTable = null;
    if (isCreatingJoinTable) {
        orignalOutputTable = getOutputTableByName(tableName);
        if (orignalOutputTable != null) {
            IMetadataTable metadataTable = orignalOutputTable.getMetadataTable();
            if (metadataTable != null) {
                process.addUniqueConnectionName(joinTableName);
                abstractDataMapTable = new OutputTable(this, metadataTable, joinTableName);
                abstractDataMapTable.setIsJoinTableOf(tableName);
            }
        }
    } else {
        process.addUniqueConnectionName(tableName);
        IMetadataTable metadataTable = getNewMetadataTable();
        metadataTable.setTableName(tableName);
        abstractDataMapTable = new OutputTable(this, metadataTable, tableName);
    }
    if (abstractDataMapTable == null) {
        return;
    }
    abstractDataMapTable.initFromExternalData(null);
    List<DataMapTableView> outputsTablesView = uiManager.getOutputsTablesView();
    int sizeOutputsView = outputsTablesView.size();
    Control lastChild = null;
    if (sizeOutputsView - 1 >= 0) {
        lastChild = outputsTablesView.get(sizeOutputsView - 1);
    }
    TablesZoneView tablesZoneViewOutputs = uiManager.getTablesZoneViewOutputs();
    DataMapTableView dataMapTableView = uiManager.createNewOutputTableView(lastChild, abstractDataMapTable, tablesZoneViewOutputs);
    tablesZoneViewOutputs.setSize(tablesZoneViewOutputs.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    tablesZoneViewOutputs.layout();
    uiManager.moveOutputScrollBarZoneToMax();
    uiManager.refreshBackground(true, false);
    tablesZoneViewOutputs.layout();
    uiManager.selectDataMapTableView(dataMapTableView, true, false);
}

Example 93 with IMetadataTable

use of org.talend.core.model.metadata.IMetadataTable in project tdi-studio-se by Talend.

the class MapperMain method getMetadataListOut.

/**
     * DOC amaumont Comment method "getMetadataListOut".
     * 
     * @return
     */
public List<IMetadataTable> getMetadataListOut() {
    List<OutputTable> tables = mapperManager.getOutputTables();
    List<IMetadataTable> metadataTables = new ArrayList<IMetadataTable>(tables.size());
    for (OutputTable table : tables) {
        if (table.getIsJoinTableOf() == null) {
            metadataTables.add(table.getMetadataTable());
        }
    }
    return metadataTables;
}

Example 94 with IMetadataTable

use of org.talend.core.model.metadata.IMetadataTable in project tdi-studio-se by Talend.

the class MetadataExportXmlCommandExt method execute.

/*
     * (non-Java)
     * 
     * @see org.talend.commons.ui.command.CommonCommand#execute()
     */
@Override
public void execute() {
    try {
        if (file != null) {
            file.createNewFile();
            if (extendedTableModel != null) {
                IMetadataTable currentTable = extendedTableModel.getMetadataTable();
                // get all the columns from the table
                if (currentTable != null) {
                    MetadataSchemaExt ext = new MetadataSchemaExt(extendedTableModel.getRowGenUI().getFunctionManager());
                    ext.saveColumnsToFile(file, currentTable);
                }
            }
        }
    } catch (IOException e) {
        ExceptionHandler.process(e);
    } catch (ParserConfigurationException e) {
        ExceptionHandler.process(e);
    }
}

Example 95 with IMetadataTable

use of org.talend.core.model.metadata.IMetadataTable in project tdi-studio-se by Talend.

the class SchemaReferenceController method createButtonCommand.

@Override
protected Command createButtonCommand(Button button) {
    if (checkForRepositoryShema(button)) {
        return null;
    }
    Button inputButton = button;
    IElementParameter switchParam = elem.getElementParameter(EParameterName.REPOSITORY_ALLOW_AUTO_SWITCH.getName());
    if (inputButton.getData(NAME).equals(SCHEMA)) {
        // this map wil hold the all input connection for the tUnite component
        Map<INode, Map<IMetadataTable, Boolean>> inputInfos = new HashMap<INode, Map<IMetadataTable, Boolean>>();
        INode node;
        if (elem instanceof Node) {
            node = (INode) elem;
        } else {
            // else instanceof Connection
            node = ((IConnection) elem).getSource();
        }
        IMetadataTable inputMetadata = null, inputMetaCopy = null;
        Connection inputConec = null;
        String propertyName = (String) inputButton.getData(PARAMETER_NAME);
        IElementParameter param = node.getElementParameter(propertyName);
        IElementParameter connectionParam = param.getChildParameters().get(EParameterName.CONNECTION.getName());
        String connectionName = null;
        if (connectionParam != null) {
            connectionName = (String) connectionParam.getValue();
        }
        Object obj = button.getData(FORCE_READ_ONLY);
        boolean forceReadOnly = false;
        if (obj != null) {
            forceReadOnly = (Boolean) obj;
        }
        boolean inputReadOnly = false, outputReadOnly = false, inputReadOnlyNode = false, inputReadOnlyParam = false;
        for (Connection connec : (List<Connection>) node.getIncomingConnections()) {
            if (connec.isActivate() && (connec.getLineStyle().equals(EConnectionType.FLOW_MAIN) || connec.getLineStyle().equals(EConnectionType.TABLE) || connec.getLineStyle().equals(EConnectionType.FLOW_MERGE) || connec.getLineStyle() == EConnectionType.FLOW_REF)) {
                if (connectionName != null && !connec.getName().equals(connectionName)) {
                    continue;
                }
                inputMetadata = connec.getMetadataTable();
                inputMetaCopy = inputMetadata.clone();
                inputConec = connec;
                if (connec.getSource().isReadOnly()) {
                    inputReadOnlyNode = true;
                } else {
                    for (IElementParameter curParam : connec.getSource().getElementParameters()) {
                        if (curParam.getFieldType() == EParameterFieldType.SCHEMA_REFERENCE) {
                            if (curParam.isReadOnly()) {
                                inputReadOnlyParam = true;
                            }
                        }
                    }
                }
                // check if the inputMetadata is readonly
                if (inputMetadata != null) {
                    for (IMetadataColumn column : inputMetadata.getListColumns(true)) {
                        IMetadataColumn columnCopied = inputMetaCopy.getColumn(column.getLabel());
                        columnCopied.setCustom(column.isCustom());
                        columnCopied.setReadOnly(column.isReadOnly());
                    }
                    inputMetaCopy.setReadOnly(inputMetadata.isReadOnly());
                    inputReadOnly = prepareReadOnlyTable(inputMetaCopy, inputReadOnlyParam, inputReadOnlyNode);
                }
                // store the value for Dialog
                Map<IMetadataTable, Boolean> oneInput = new HashMap<IMetadataTable, Boolean>();
                oneInput.put(inputMetaCopy, inputReadOnly);
                inputInfos.put(connec.getSource(), oneInput);
            }
        }
        if (connectionParam != null && inputMetadata == null) {
            //$NON-NLS-1$
            MessageDialog.openError(//$NON-NLS-1$
            button.getShell(), //$NON-NLS-1$
            Messages.getString("SchemaReferenceController.inputNotSet"), //$NON-NLS-1$
            Messages.getString("SchemaReferenceController.connectionNotAvaliable"));
            return null;
        }
        IMetadataTable originaleMetadataTable = getMetadataTableFromXml(node);
        // check if the outputMetadata is readonly
        IMetadataTable originaleOutputTable = node.getMetadataFromConnector(param.getContext());
        // when several schema_type button ,need get the right one which is opening
        //$NON-NLS-1$
        IElementParameter schemaParam = param.getChildParameters().get("SCHEMA_TYPE");
        // need setRepository here
        if (!param.getContext().equals(schemaParam.getContext())) {
            //$NON-NLS-1$
            schemaParam = param.getChildParameters().get("SCHEMA_TYPE");
        }
        if (schemaParam != null && EmfComponent.REPOSITORY.equals(schemaParam.getValue())) {
            if (originaleOutputTable != null && originaleOutputTable instanceof MetadataTable) {
                ((MetadataTable) originaleOutputTable).setRepository(true);
            }
        } else if (schemaParam != null && EmfComponent.BUILTIN.equals(schemaParam.getValue())) {
            if (originaleOutputTable != null && originaleOutputTable instanceof MetadataTable) {
                ((MetadataTable) originaleOutputTable).setRepository(false);
            }
        }
        IMetadataTable outputMetaCopy = originaleOutputTable.clone(true);
        for (IMetadataColumn column : originaleOutputTable.getListColumns(true)) {
            IMetadataColumn columnCopied = outputMetaCopy.getColumn(column.getLabel());
            columnCopied.setCustom(column.isCustom());
            columnCopied.setReadOnly(column.isReadOnly());
        }
        outputMetaCopy.setReadOnly(originaleOutputTable.isReadOnly() || param.isReadOnly(node.getElementParametersWithChildrens()));
        //$NON-NLS-1$
        IElementParameter schemaTypeParam = param.getChildParameters().get("SCHEMA_TYPE");
        List<IElementParameterDefaultValue> defaultValues = schemaTypeParam.getDefaultValues();
        for (IElementParameterDefaultValue elementParameterDefaultValue : defaultValues) {
            if (elementParameterDefaultValue.getDefaultValue() instanceof MetadataTable) {
                MetadataTable table = (MetadataTable) elementParameterDefaultValue.getDefaultValue();
                outputMetaCopy.setReadOnlyColumnPosition(table.getReadOnlyColumnPosition());
                break;
            }
        }
        outputMetaCopy.sortCustomColumns();
        if (!forceReadOnly) {
            outputReadOnly = prepareReadOnlyTable(outputMetaCopy, param.isReadOnly(), node.isReadOnly());
        } else {
            outputReadOnly = true;
        }
        MetadataDialog metaDialog = null;
        if (inputMetadata != null) {
            if (inputInfos != null && inputInfos.size() > 1 && connectionName == null) {
                MetadataDialogForMerge metaDialogForMerge = new MetadataDialogForMerge(composite.getShell(), inputInfos, outputMetaCopy, node, getCommandStack());
                //$NON-NLS-1$
                metaDialogForMerge.setText(Messages.getString("SchemaReferenceController.schemaOf") + node.getLabel());
                metaDialogForMerge.setInputReadOnly(inputReadOnly);
                metaDialogForMerge.setOutputReadOnly(outputReadOnly);
                if (metaDialogForMerge.open() == MetadataDialogForMerge.OK) {
                    outputMetaCopy = metaDialogForMerge.getOutputMetaData();
                    // check if the metadata is modified
                    boolean modified = false;
                    if (!outputMetaCopy.sameMetadataAs(originaleOutputTable, IMetadataColumn.OPTIONS_NONE)) {
                        modified = true;
                    } else {
                        if (inputMetadata != null) {
                            // Notice: the Map inputInfos maybe is modified by the dialog.
                            Set<INode> inputNodes = inputInfos.keySet();
                            for (INode inputNode : inputNodes) {
                                Map<IMetadataTable, Boolean> oneInput = inputInfos.get(inputNode);
                                inputMetaCopy = (IMetadataTable) oneInput.keySet().toArray()[0];
                                if (!inputMetaCopy.sameMetadataAs(inputNode.getMetadataList().get(0), IMetadataColumn.OPTIONS_NONE)) {
                                    modified = true;
                                }
                            }
                        }
                    }
                    // create the changeMetadataCommand
                    if (modified) {
                        if (switchParam != null) {
                            switchParam.setValue(Boolean.FALSE);
                        }
                        Command changeMetadataCommand = null;
                        // only output, no input
                        if (inputInfos.isEmpty()) {
                            changeMetadataCommand = new ChangeMetadataCommand(node, param, null, null, null, originaleOutputTable, outputMetaCopy);
                        } else {
                            Set<INode> inputNodes = inputInfos.keySet();
                            int count = 0;
                            for (INode inputNode : inputNodes) {
                                Map<IMetadataTable, Boolean> oneInput = inputInfos.get(inputNode);
                                inputMetaCopy = (IMetadataTable) oneInput.keySet().toArray()[0];
                                if (count == 0) {
                                    changeMetadataCommand = new ChangeMetadataCommand(node, param, inputNode, inputNode.getMetadataList().get(0), inputMetaCopy, originaleOutputTable, outputMetaCopy);
                                } else {
                                    changeMetadataCommand = changeMetadataCommand.chain(new ChangeMetadataCommand(node, param, inputNode, inputNode.getMetadataList().get(0), inputMetaCopy, originaleOutputTable, outputMetaCopy));
                                }
                                count++;
                            }
                        }
                        return changeMetadataCommand;
                    }
                }
            } else {
                INode inputNode = (inputConec.getSource());
                if (inputMetaCopy.getAttachedConnector() == null) {
                    INodeConnector mainConnector;
                    if (inputNode.isELTComponent()) {
                        mainConnector = inputNode.getConnectorFromType(EConnectionType.TABLE);
                    } else {
                        mainConnector = inputNode.getConnectorFromType(EConnectionType.FLOW_MAIN);
                    }
                    inputMetaCopy.setAttachedConnector(mainConnector.getName());
                }
                metaDialog = new MetadataDialog(composite.getShell(), inputMetaCopy, inputNode, outputMetaCopy, node, getCommandStack());
            }
        } else {
            metaDialog = new MetadataDialog(composite.getShell(), outputMetaCopy, node, getCommandStack());
        }
        if (metaDialog != null) {
            //$NON-NLS-1$
            metaDialog.setText(Messages.getString("SchemaReferenceController.schema.title", node.getLabel()));
            metaDialog.setInputReadOnly(inputReadOnly);
            metaDialog.setOutputReadOnly(outputReadOnly);
            if (metaDialog.open() == MetadataDialog.OK) {
                inputMetaCopy = metaDialog.getInputMetaData();
                outputMetaCopy = metaDialog.getOutputMetaData();
                boolean modified = false;
                if (!outputMetaCopy.sameMetadataAs(originaleOutputTable, IMetadataColumn.OPTIONS_NONE)) {
                    modified = true;
                } else {
                    if (inputMetadata != null) {
                        if (!inputMetaCopy.sameMetadataAs(inputMetadata, IMetadataColumn.OPTIONS_NONE)) {
                            modified = true;
                        }
                    }
                }
                if (modified) {
                    if (switchParam != null) {
                        switchParam.setValue(Boolean.FALSE);
                    }
                    INode inputNode = null;
                    if (inputConec != null) {
                        inputNode = inputConec.getSource();
                    }
                    // update the component schema
                    if (param instanceof GenericElementParameter) {
                        GenericElementParameter genericElementParameter = (GenericElementParameter) param;
                        String paramName = genericElementParameter.getName();
                        ComponentProperties componentProperties = node.getComponentProperties();
                        if (componentProperties != null) {
                            org.talend.daikon.properties.property.Property schemaProperty = componentProperties.getValuedProperty(paramName);
                            if (schemaProperty != null) {
                                SchemaUtils.updateComponentSchema(node, outputMetaCopy, null);
                            }
                        }
                    }
                    if (node.getComponent().isSchemaAutoPropagated()) {
                        ChangeMetadataCommand changeMetadataCommand = new ChangeMetadataCommand(node, param, inputNode, inputMetadata, inputMetaCopy, originaleOutputTable, outputMetaCopy);
                        return changeMetadataCommand;
                    } else {
                        ChangeMetadataCommand changeMetadataCommand = new ChangeMetadataCommand(node, param, inputNode, inputMetadata, inputMetaCopy, originaleOutputTable, outputMetaCopy);
                        changeMetadataCommand.setPropagate(Boolean.FALSE);
                        return changeMetadataCommand;
                    }
                }
            }
        }
    } else if (inputButton.getData(NAME).equals(RETRIEVE_SCHEMA)) {
        Node node = (Node) elem;
        // String propertyName = (String) inputButton.getData(PARAMETER_NAME);
        final Command cmd = RetrieveSchemaHelper.retrieveSchemasCommand(node);
        if (switchParam != null) {
            switchParam.setValue(Boolean.FALSE);
        }
        return cmd;
    } else if (inputButton.getData(NAME).equals(RESET_COLUMNS)) {
        Node node = (Node) elem;
        String propertyName = (String) inputButton.getData(PARAMETER_NAME);
        IElementParameter param = node.getElementParameter(propertyName);
        final Command cmd = SynchronizeSchemaHelper.createCommand(node, param);
        if (switchParam != null) {
            switchParam.setValue(Boolean.FALSE);
        }
        return cmd;
    } else if (button.getData(NAME).equals(REPOSITORY_CHOICE)) {
        String paramName = (String) button.getData(PARAMETER_NAME);
        IElementParameter schemaParam = elem.getElementParameter(paramName);
        ERepositoryObjectType type = ERepositoryObjectType.METADATA_CON_TABLE;
        String filter = schemaParam.getFilter();
        RepositoryReviewDialog dialog = new RepositoryReviewDialog(button.getShell(), type, filter);
        if (dialog.open() == RepositoryReviewDialog.OK) {
            RepositoryNode node = dialog.getResult();
            while (node.getObject().getProperty().getItem() == null || (!(node.getObject().getProperty().getItem() instanceof ConnectionItem))) {
                node = node.getParent();
            }
            IRepositoryViewObject object = dialog.getResult().getObject();
            Property property = object.getProperty();
            String id = property.getId();
            // The name is Table Name.
            String name = object.getLabel();
            if (name != null) {
                if (elem instanceof Node) {
                    //$NON-NLS-1$
                    String value = id + " - " + name;
                    //$NON-NLS-1$
                    paramName = paramName + ":" + EParameterName.REPOSITORY_SCHEMA_TYPE.getName();
                    Command selectorCommand = new PropertyChangeCommand(elem, paramName, TalendTextUtils.addQuotes(value));
                    executeCommand(selectorCommand);
                }
            }
            //$NON-NLS-1$
            String value = id + " - " + name;
            //$NON-NLS-1$
            String fullParamName = paramName + ":" + getRepositoryChoiceParamName();
            org.talend.core.model.metadata.builder.connection.Connection connection = null;
            if (elem instanceof Node) {
                IMetadataTable repositoryMetadata = MetadataToolHelper.getMetadataFromRepository(value);
                connection = MetadataToolHelper.getConnectionFromRepository(value);
                // For validation rule.
                boolean isValRulesLost = false;
                IRepositoryViewObject currentValRuleObj = ValidationRulesUtil.getCurrentValidationRuleObjs(elem);
                if (currentValRuleObj != null) {
                    List<IRepositoryViewObject> valRuleObjs = ValidationRulesUtil.getRelatedValidationRuleObjs(value);
                    if (!ValidationRulesUtil.isCurrentValRuleObjInList(valRuleObjs, currentValRuleObj)) {
                        if (!MessageDialog.openConfirm(button.getShell(), //$NON-NLS-1$
                        Messages.getString("SchemaReferenceController.validationrule.title.confirm"), Messages.getString("SchemaReferenceController.validationrule.selectMetadataMsg"))) {
                            //$NON-NLS-1$
                            return null;
                        } else {
                            isValRulesLost = true;
                        }
                    }
                }
                if (repositoryMetadata == null) {
                    repositoryMetadata = new MetadataTable();
                }
                if (switchParam != null) {
                    switchParam.setValue(Boolean.FALSE);
                }
                CompoundCommand cc = new CompoundCommand();
                RepositoryChangeMetadataCommand changeMetadataCommand = new RepositoryChangeMetadataCommand((Node) elem, fullParamName, value, repositoryMetadata, null, null);
                changeMetadataCommand.setConnection(connection);
                cc.add(changeMetadataCommand);
                if (isValRulesLost) {
                    ValidationRulesUtil.appendRemoveValidationRuleCommands(cc, elem);
                }
                return cc;
            }
        }
    } else if (button.getData(NAME).equals(COPY_CHILD_COLUMNS)) {
        String paramName = (String) button.getData(PARAMETER_NAME);
        IElementParameter param = elem.getElementParameter(paramName);
        IElementParameter processParam = elem.getElementParameterFromField(EParameterFieldType.PROCESS_TYPE);
        IElementParameter processIdParam = processParam.getChildParameters().get(EParameterName.PROCESS_TYPE_PROCESS.getName());
        String id = (String) processIdParam.getValue();
        Item item = ItemCacheManager.getProcessItem(id);
        Node node = (Node) elem;
        copySchemaFromChildJob(node, item);
        // pop up the schema dialog
        MetadataDialog metaDialog = new MetadataDialog(composite.getShell(), node.getMetadataList().get(0), node, getCommandStack());
        //$NON-NLS-1$
        metaDialog.setText(Messages.getString("SchemaReferenceController.schemaOf") + node.getLabel());
        if (metaDialog.open() == MetadataDialog.OK) {
            IMetadataTable outputMetaData = metaDialog.getOutputMetaData();
            return new ChangeMetadataCommand(node, param, null, outputMetaData);
        }
    }
    return null;
}