Examples with Element org.gephi.graph.api.Element used on opensource projects

Example 16 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsMergeStrategiesControllerImpl method mergeDateColumnsToTimeInterval.

@Override
public Column mergeDateColumnsToTimeInterval(Table table, Column startColumn, Column endColumn, SimpleDateFormat dateFormat, String defaultStartDate, String defaultEndDate) {
    checkTableAndOneColumn(table, startColumn, endColumn);
    if (dateFormat == null) {
        throw new IllegalArgumentException("Date format can't be null can't be null");
    }
    Column timeIntervalColumn = getTimeIntervalColumn(table);
    final int startColumnIndex = startColumn != null ? startColumn.getIndex() : -1;
    final int endColumnIndex = endColumn != null ? endColumn.getIndex() : -1;
    double defaultStart = parseDateToDouble(dateFormat, defaultStartDate, Double.NEGATIVE_INFINITY);
    double defaultEnd = parseDateToDouble(dateFormat, defaultEndDate, Double.POSITIVE_INFINITY);
    AttributeColumnsController ac = Lookup.getDefault().lookup(AttributeColumnsController.class);
    Object value;
    double start, end;
    for (Element row : ac.getTableAttributeRows(table)) {
        if (startColumnIndex != -1) {
            value = row.getAttribute(startColumn);
            start = parseDateToDouble(dateFormat, value != null ? value.toString() : null, defaultStart);
        } else {
            start = defaultStart;
        }
        if (endColumnIndex != -1) {
            value = row.getAttribute(endColumn);
            end = parseDateToDouble(dateFormat, value != null ? value.toString() : null, defaultEnd);
        } else {
            end = defaultEnd;
        }
        if (!Double.isInfinite(start) && !Double.isInfinite(end) && start > end) {
            //When start>end, check what column was provided and keep its value. If both columns were provided, set an infinite interval:
            if (startColumnIndex == -1) {
                start = Double.NEGATIVE_INFINITY;
            } else if (endColumnIndex == -1) {
                end = Double.POSITIVE_INFINITY;
            } else {
                start = Double.NEGATIVE_INFINITY;
                end = Double.POSITIVE_INFINITY;
            }
        }
        IntervalSet timeInterval = new IntervalSet(new double[] { start, end });
        row.setAttribute(timeIntervalColumn, timeInterval);
    }
    return timeIntervalColumn;
}

Example 17 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsMergeStrategiesControllerImpl method firstQuartileNumberMerge.

@Override
public Column firstQuartileNumberMerge(Table table, Column[] columnsToMerge, String newColumnTitle) {
    checkTableAndColumnsAreNumberOrNumberList(table, columnsToMerge);
    AttributeColumnsController ac = Lookup.getDefault().lookup(AttributeColumnsController.class);
    Column newColumn;
    //Create as BIGDECIMAL column by default. Then it can be duplicated to other type.
    newColumn = ac.addAttributeColumn(table, newColumnTitle, BigDecimal.class);
    if (newColumn == null) {
        return null;
    }
    BigDecimal Q1;
    for (Element row : ac.getTableAttributeRows(table)) {
        Q1 = StatisticsUtils.quartile1(ac.getRowNumbers(row, columnsToMerge));
        row.setAttribute(newColumn, Q1);
    }
    return newColumn;
}

Example 18 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsControllerImpl method copyColumnDataToOtherColumn.

@Override
public void copyColumnDataToOtherColumn(Table table, Column sourceColumn, Column targetColumn) {
    if (sourceColumn == targetColumn) {
        throw new IllegalArgumentException("Source and target columns can't be equal");
    }
    Class targetType = targetColumn.getTypeClass();
    Object value;
    if (!targetType.equals(sourceColumn.getTypeClass())) {
        for (Element row : getTableAttributeRows(table)) {
            value = row.getAttribute(sourceColumn);
            setAttributeValue(value, row, targetColumn);
        }
    } else {
        for (Element row : getTableAttributeRows(table)) {
            value = row.getAttribute(sourceColumn);
            if (value == null) {
                row.removeAttribute(targetColumn);
            } else {
                row.setAttribute(targetColumn, value);
            }
        }
    }
}

Example 19 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsControllerImpl method getRowsColumnNumbers.

@Override
public Number[] getRowsColumnNumbers(Element[] rows, Column column) {
    Class type = column.getTypeClass();
    if (!AttributeUtils.isNumberType(type)) {
        throw new IllegalArgumentException("The column has to be a number column");
    }
    boolean isDynamic = AttributeUtils.isDynamicType(type);
    boolean isArray = type.isArray();
    ArrayList<Number> numbers = new ArrayList<>();
    Number number;
    for (Element row : rows) {
        Object value = row.getAttribute(column);
        if (value != null) {
            if (!isDynamic) {
                if (isArray) {
                    numbers.addAll(getArrayNumbers(value));
                } else {
                    //Single number column:
                    number = (Number) row.getAttribute(column);
                    if (number != null) {
                        numbers.add(number);
                    }
                }
            } else {
                numbers.addAll(getDynamicNumberColumnNumbers(row, column));
            }
        }
    }
    return numbers.toArray(new Number[0]);
}

Example 20 with Element

use of org.gephi.graph.api.Element in project gephi by gephi.

the class AttributeColumnsControllerImpl method calculateColumnValuesFrequencies.

@Override
public Map<Object, Integer> calculateColumnValuesFrequencies(Table table, Column column) {
    Map<Object, Integer> valuesFrequencies = new HashMap<>();
    Object value;
    for (Element row : getTableAttributeRows(table)) {
        value = row.getAttribute(column);
        if (valuesFrequencies.containsKey(value)) {
            valuesFrequencies.put(value, valuesFrequencies.get(value) + 1);
        } else {
            valuesFrequencies.put(value, 1);
        }
    }
    return valuesFrequencies;
}