Examples with ContinuousMappingPoint org.cytoscape.view.vizmap.mappings.ContinuousMappingPoint used on opensource projects

Example 1 with ContinuousMappingPoint

use of org.cytoscape.view.vizmap.mappings.ContinuousMappingPoint in project EnrichmentMapApp by BaderLab.

the class EMStyleBuilder method setNodeSize.

@SuppressWarnings("rawtypes")
private void setNodeSize(VisualStyle vs, EMStyleOptions options, ChartType chartType) {
    if (chartType == null || chartType == ChartType.RADIAL_HEAT_MAP) {
        String prefix = options.getAttributePrefix();
        String columnName = Columns.NODE_GS_SIZE.with(prefix, null);
        int val0 = 10;
        int val1 = 474;
        VisualMappingFunction<?, Double> oldMapping = vs.getVisualMappingFunction(NODE_SIZE);
        // This is done for performance optimization only!
        boolean update = oldMapping instanceof ContinuousMapping == false;
        if (!update) {
            try {
                // Also test the mapped column name and number of points
                update = !columnName.equals(oldMapping.getMappingColumnName()) || ((ContinuousMapping) oldMapping).getPointCount() != 2;
                if (!update) {
                    // And the mapping values
                    ContinuousMappingPoint pt0 = ((ContinuousMapping) oldMapping).getPoint(0);
                    ContinuousMappingPoint pt1 = ((ContinuousMapping) oldMapping).getPoint(1);
                    update = val0 != (Integer) pt0.getValue();
                    update = update || val1 != (Integer) pt1.getValue();
                    if (// Finally test the boundary ranges
                    !update)
                        update = MIN_NODE_SIZE != (Double) pt0.getRange().equalValue || MAX_NODE_SIZE != (Double) pt1.getRange().equalValue;
                }
            } catch (NullPointerException | ClassCastException e) {
                update = true;
            }
        }
        if (update) {
            ContinuousMapping<Integer, Double> cm = (ContinuousMapping<Integer, Double>) cmFactory.createVisualMappingFunction(columnName, Integer.class, NODE_SIZE);
            BoundaryRangeValues<Double> bv0 = new BoundaryRangeValues<>(MIN_NODE_SIZE, MIN_NODE_SIZE, MIN_NODE_SIZE);
            BoundaryRangeValues<Double> bv1 = new BoundaryRangeValues<>(MAX_NODE_SIZE, MAX_NODE_SIZE, MAX_NODE_SIZE);
            // Silence events fired by this mapping to prevent unnecessary style and view updates
            eventHelper.silenceEventSource(cm);
            try {
                cm.addPoint(val0, bv0);
                cm.addPoint(val1, bv1);
            } finally {
                eventHelper.unsilenceEventSource(cm);
            }
            vs.addVisualMappingFunction(cm);
        }
    } else {
        vs.removeVisualMappingFunction(NODE_SIZE);
    }
}