Examples with DatasetThumbnail edu.harvard.iq.dataverse.dataset.DatasetThumbnail used on opensource projects

Example 1 with DatasetThumbnail

use of edu.harvard.iq.dataverse.dataset.DatasetThumbnail in project dataverse by IQSS.

the class DatasetPage method getThumbnailString.

// This is the Dataset-level thumbnail;
// it's either the thumbnail of the designated datafile,
// or scaled down uploaded "logo" file, or randomly selected
// image datafile from this dataset.
public String getThumbnailString() {
    if (thumbnailString != null) {
        if ("".equals(thumbnailString)) {
            return null;
        }
        return thumbnailString;
    }
    if (!readOnly) {
        DatasetThumbnail datasetThumbnail = dataset.getDatasetThumbnail();
        if (datasetThumbnail == null) {
            thumbnailString = "";
            return null;
        }
        if (datasetThumbnail.isFromDataFile()) {
            if (!datasetThumbnail.getDataFile().equals(dataset.getThumbnailFile())) {
                datasetService.assignDatasetThumbnailByNativeQuery(dataset, datasetThumbnail.getDataFile());
                dataset = datasetService.find(dataset.getId());
            }
        }
        thumbnailString = datasetThumbnail.getBase64image();
    } else {
        thumbnailString = thumbnailServiceWrapper.getDatasetCardImageAsBase64Url(dataset, workingVersion.getId());
        if (thumbnailString == null) {
            thumbnailString = "";
            return null;
        }
    }
    return thumbnailString;
}

Example 2 with DatasetThumbnail

use of edu.harvard.iq.dataverse.dataset.DatasetThumbnail in project dataverse by IQSS.

the class DatasetWidgetsPage method save.

public String save() {
    logger.fine("save clicked");
    if (updateDatasetThumbnailCommand == null) {
        logger.fine("The user clicked saved without making any changes.");
        return null;
    }
    try {
        DatasetThumbnail datasetThumbnailFromCommand = commandEngine.submit(updateDatasetThumbnailCommand);
        JsfHelper.addSuccessMessage(BundleUtil.getStringFromBundle("dataset.thumbnailsAndWidget.success"));
        return "/dataset.xhtml?persistentId=" + dataset.getGlobalId() + "&faces-redirect=true";
    } catch (CommandException ex) {
        String error = ex.getLocalizedMessage();
        /**
         * @todo Should this go in the ActionLogRecord instead?
         */
        // Username @dataverseAdmin experienced a problem executing UpdateDatasetThumbnailCommand on a DVObject {=[Dataset id:1377 ]} and saw this error: Just testing what an error would look like in the GUI.
        logger.info("Username " + updateDatasetThumbnailCommand.getRequest().getUser().getIdentifier() + " experienced a problem executing " + updateDatasetThumbnailCommand.getClass().getSimpleName() + " on a DVObject " + updateDatasetThumbnailCommand.getAffectedDvObjects() + " and saw this error: " + error);
        JsfHelper.addErrorMessage(error);
        return null;
    }
}

Example 3 with DatasetThumbnail

use of edu.harvard.iq.dataverse.dataset.DatasetThumbnail in project dataverse by IQSS.

the class DatasetWidgetsPage method handleImageFileUpload.

public void handleImageFileUpload(FileUploadEvent event) {
    logger.fine("handleImageFileUpload clicked");
    UploadedFile uploadedFile = event.getFile();
    try {
        updateDatasetThumbnailCommand = new UpdateDatasetThumbnailCommand(dvRequestService.getDataverseRequest(), dataset, UpdateDatasetThumbnailCommand.UserIntent.setNonDatasetFileAsThumbnail, null, uploadedFile.getInputstream());
    } catch (IOException ex) {
        String error = "Unexpected error while uploading file.";
        logger.warning("Problem uploading dataset thumbnail to dataset id " + dataset.getId() + ". " + error + " . Exception: " + ex);
        updateDatasetThumbnailCommand = null;
        return;
    }
    File file = null;
    try {
        file = FileUtil.inputStreamToFile(uploadedFile.getInputstream());
    } catch (IOException ex) {
        Logger.getLogger(DatasetWidgetsPage.class.getName()).log(Level.SEVERE, null, ex);
        return;
    }
    String base64image = ImageThumbConverter.generateImageThumbnailFromFileAsBase64(file, ImageThumbConverter.DEFAULT_CARDIMAGE_SIZE);
    if (base64image != null) {
        datasetThumbnail = new DatasetThumbnail(base64image, datasetFileThumbnailToSwitchTo);
    } else {
        Logger.getLogger(DatasetWidgetsPage.class.getName()).log(Level.SEVERE, "Failed to produce a thumbnail from the uploaded dataset logo.");
    }
}

Example 4 with DatasetThumbnail

use of edu.harvard.iq.dataverse.dataset.DatasetThumbnail in project dataverse by IQSS.

the class DatasetWidgetsPage method setDataFileAsThumbnail.

public void setDataFileAsThumbnail() {
    logger.fine("setDataFileAsThumbnail clicked");
    updateDatasetThumbnailCommand = new UpdateDatasetThumbnailCommand(dvRequestService.getDataverseRequest(), dataset, UpdateDatasetThumbnailCommand.UserIntent.setDatasetFileAsThumbnail, datasetFileThumbnailToSwitchTo.getId(), null);
    String base64image = ImageThumbConverter.getImageThumbnailAsBase64(datasetFileThumbnailToSwitchTo, ImageThumbConverter.DEFAULT_CARDIMAGE_SIZE);
    datasetThumbnail = new DatasetThumbnail(base64image, datasetFileThumbnailToSwitchTo);
}

Example 5 with DatasetThumbnail

use of edu.harvard.iq.dataverse.dataset.DatasetThumbnail in project dataverse by IQSS.

the class UpdateDatasetThumbnailCommandTest method testSetDatasetFileAsThumbnailFileNull.

@Test
public void testSetDatasetFileAsThumbnailFileNull() {
    String expected = "A file was not selected to be the new dataset thumbnail.";
    String actual = null;
    DatasetThumbnail datasetThumbnail = null;
    try {
        datasetThumbnail = testEngine.submit(new UpdateDatasetThumbnailCommand(null, dataset, UpdateDatasetThumbnailCommand.UserIntent.setDatasetFileAsThumbnail, null, null));
    } catch (CommandException ex) {
        actual = ex.getMessage();
    }
    assertEquals(expected, actual);
    assertNull(datasetThumbnail);
}