Examples with DataImportPreviewResponse org.rstudio.studio.client.workbench.views.environment.dataimport.model.DataImportPreviewResponse used on opensource projects

Example 1 with DataImportPreviewResponse

use of org.rstudio.studio.client.workbench.views.environment.dataimport.model.DataImportPreviewResponse in project rstudio by rstudio.

the class DataImport method previewDataImport.

private void previewDataImport() {
    Operation previewDataImportOperation = new Operation() {

        @Override
        public void execute() {
            DataImportOptions previewImportOptions = getOptions();
            if (dataImportFileChooser_.getText() == "") {
                gridViewer_.setData(null);
                return;
            }
            previewImportOptions.setMaxRows(maxRows_);
            progressIndicator_.onProgress("Retrieving preview data...", new Operation() {

                @Override
                public void execute() {
                    progressIndicator_.clearProgress();
                    cleanPreviewResources();
                    server_.previewDataImportAsyncAbort(new ServerRequestCallback<Void>() {

                        @Override
                        public void onResponseReceived(Void empty) {
                        }

                        @Override
                        public void onError(ServerError error) {
                            Debug.logError(error);
                            progressIndicator_.onError(error.getMessage());
                        }
                    });
                }
            });
            server_.previewDataImportAsync(previewImportOptions, maxCols_, maxFactors_, new ServerRequestCallback<DataImportPreviewResponse>() {

                @Override
                public void onResponseReceived(DataImportPreviewResponse response) {
                    if (response == null || response.getErrorMessage() != null) {
                        if (response != null) {
                            setGridViewerData(response);
                            response.setColumnDefinitions(lastSuccessfulResponse_);
                            progressIndicator_.onError(enhancePreviewErrorMessage(response.getErrorMessage()));
                        }
                        return;
                    }
                    // Set the column definitions to allow subsequent calls to assemble
                    // generate preview code based on data.
                    importOptions_.setBaseColumnDefinitions(response);
                    lastSuccessfulResponse_ = response;
                    dataImportOptionsUi_.setPreviewResponse(response);
                    if (response.getLocalFiles() != null) {
                        localFiles_ = response.getLocalFiles();
                    }
                    gridViewer_.setOption("status", "Previewing first " + toLocaleString(maxRows_) + " entries. " + (response.getParsingErrors() > 0 ? Integer.toString(response.getParsingErrors()) + " parsing errors." : ""));
                    assignColumnDefinitions(response, importOptions_.getColumnDefinitions());
                    setGridViewerData(response);
                    progressIndicator_.onCompleted();
                }

                @Override
                public void onError(ServerError error) {
                    Debug.logError(error);
                    cleanPreviewResources();
                    gridViewer_.setData(null);
                    progressIndicator_.onError(error.getMessage());
                }
            });
        }
    };
    assembleDataImport(previewDataImportOperation);
}