Examples with GridHeader org.hisp.dhis.common.GridHeader used on opensource projects

Example 46 with GridHeader

use of org.hisp.dhis.common.GridHeader in project dhis2-core by dhis2.

the class GridUtils method toCsv.

/**
 * Writes a CSV representation of the given Grid to the given OutputStream.
 */
public static void toCsv(Grid grid, Writer writer) throws IOException {
    if (grid == null) {
        return;
    }
    CsvWriter csvWriter = new CsvWriter(writer, CSV_DELIMITER);
    Iterator<GridHeader> headers = grid.getHeaders().iterator();
    if (!grid.getHeaders().isEmpty()) {
        while (headers.hasNext()) {
            csvWriter.write(headers.next().getColumn());
        }
        csvWriter.endRecord();
    }
    for (List<Object> row : grid.getRows()) {
        for (Object value : row) {
            csvWriter.write(value != null ? String.valueOf(maybeFormat(value)) : StringUtils.EMPTY);
        }
        csvWriter.endRecord();
    }
}

Example 47 with GridHeader

use of org.hisp.dhis.common.GridHeader in project dhis2-core by dhis2.

the class ListGrid method addRegressionColumn.

@Override
public Grid addRegressionColumn(int columnIndex, boolean addHeader) {
    verifyGridState();
    SimpleRegression regression = new SimpleRegression();
    List<Object> column = getColumn(columnIndex);
    int index = 0;
    for (Object value : column) {
        if (value != null && !MathUtils.isEqual(Double.parseDouble(String.valueOf(value)), 0d)) {
            regression.addData(index++, Double.parseDouble(String.valueOf(value)));
        }
    }
    List<Object> regressionColumn = new ArrayList<>();
    for (int i = 0; i < column.size(); i++) {
        final double predicted = regression.predict(i);
        if (!Double.isNaN(predicted)) {
            regressionColumn.add(Precision.round(predicted, 1));
        } else {
            regressionColumn.add(null);
        }
    }
    addColumn(regressionColumn);
    if (addHeader && columnIndex < headers.size()) {
        GridHeader header = headers.get(columnIndex);
        if (header != null) {
            GridHeader regressionHeader = new GridHeader(header.getName() + REGRESSION_SUFFIX, header.getColumn() + REGRESSION_SUFFIX, header.getValueType(), header.isHidden(), header.isMeta());
            addHeader(regressionHeader);
        }
    }
    return this;
}

Example 48 with GridHeader

use of org.hisp.dhis.common.GridHeader in project dhis2-core by dhis2.

the class ListGrid method addCumulativeColumn.

@Override
public Grid addCumulativeColumn(int columnIndex, boolean addHeader) {
    verifyGridState();
    List<Object> column = getColumn(columnIndex);
    List<Object> cumulativeColumn = new ArrayList<>();
    double sum = 0d;
    for (Object value : column) {
        double number = value != null ? Double.parseDouble(String.valueOf(value)) : 0d;
        sum += number;
        cumulativeColumn.add(sum);
    }
    addColumn(cumulativeColumn);
    if (addHeader && columnIndex < headers.size()) {
        GridHeader header = headers.get(columnIndex);
        if (header != null) {
            GridHeader regressionHeader = new GridHeader(header.getName() + CUMULATIVE_SUFFIX, header.getColumn() + CUMULATIVE_SUFFIX, header.getValueType(), header.isHidden(), header.isMeta());
            addHeader(regressionHeader);
        }
    }
    return this;
}

Example 49 with GridHeader

use of org.hisp.dhis.common.GridHeader in project dhis2-core by dhis2.

the class ListGrid method toString.

// -------------------------------------------------------------------------
// toString
// -------------------------------------------------------------------------
@Override
public String toString() {
    StringBuilder builder = new StringBuilder("[\n");
    if (headers != null && headers.size() > 0) {
        List<String> headerNames = new ArrayList<>();
        for (GridHeader header : headers) {
            headerNames.add(header.getName());
        }
        builder.append(headerNames).append("\n");
    }
    for (List<Object> row : grid) {
        builder.append(row).append("\n");
    }
    return builder.append("]").toString();
}

Example 50 with GridHeader

use of org.hisp.dhis.common.GridHeader in project dhis2-core by dhis2.

the class ListGrid method repositionHeaders.

/**
 * Re-order the GridHeaders of the given Grid based on the List headers. The
 * final Grid will have the all its headers defined in the same order as the
 * given List of headers.
 *
 * @param headers
 * @return a Set of indexes that holds the holds the new order
 */
@Override
public Set<Integer> repositionHeaders(final Set<String> headers) {
    verifyGridState();
    final List<String> gridHeaders = getHeaders().stream().map(GridHeader::getName).collect(toList());
    final List<GridHeader> orderedHeaders = new ArrayList<>();
    final Set<Integer> newColumnIndexes = new LinkedHashSet<>();
    for (final String header : headers) {
        if (gridHeaders.contains(header)) {
            final int gridHeaderIndex = getIndexOfHeader(header);
            orderedHeaders.add(getHeaders().get(gridHeaderIndex));
            newColumnIndexes.add(gridHeaderIndex);
        } else {
            throw new IllegalQueryException(new ErrorMessage(E7230, header));
        }
    }
    replaceHeaders(orderedHeaders);
    return newColumnIndexes;
}