Examples with ExpansionAlgorithm org.netxms.ui.eclipse.networkmaps.algorithms.ExpansionAlgorithm used on opensource projects

Example 1 with ExpansionAlgorithm

use of org.netxms.ui.eclipse.networkmaps.algorithms.ExpansionAlgorithm in project netxms by netxms.

the class AbstractNetworkMapView method setLayoutAlgorithm.

/**
 * Set layout algorithm for map
 *
 * @param alg Layout algorithm
 * @param forceChange
 */
protected void setLayoutAlgorithm(MapLayoutAlgorithm alg, boolean forceChange) {
    if (alg == MapLayoutAlgorithm.MANUAL) {
        if (!automaticLayoutEnabled)
            // manual layout already
            return;
        automaticLayoutEnabled = false;
        // TODO: rewrite, enum value should not be used as index
        actionSetAlgorithm[layoutAlgorithm.getValue()].setChecked(false);
        actionEnableAutomaticLayout.setChecked(false);
        return;
    }
    if (automaticLayoutEnabled && (alg == layoutAlgorithm) && !forceChange)
        // nothing to change
        return;
    if (!automaticLayoutEnabled) {
        actionEnableAutomaticLayout.setChecked(true);
        automaticLayoutEnabled = true;
    }
    LayoutAlgorithm algorithm;
    switch(alg) {
        case SPRING:
            algorithm = new SpringLayoutAlgorithm();
            break;
        case RADIAL:
            algorithm = new RadialLayoutAlgorithm();
            break;
        case HTREE:
            algorithm = new TreeLayoutAlgorithm(TreeLayoutAlgorithm.LEFT_RIGHT);
            break;
        case VTREE:
            algorithm = new TreeLayoutAlgorithm(TreeLayoutAlgorithm.TOP_DOWN);
            break;
        case SPARSE_VTREE:
            algorithm = new TreeLayoutAlgorithm(TreeLayoutAlgorithm.TOP_DOWN);
            ((TreeLayoutAlgorithm) algorithm).setNodeSpace(new Dimension(100, 100));
            break;
        default:
            algorithm = new GridLayoutAlgorithm();
            break;
    }
    viewer.setLayoutAlgorithm(alwaysFitLayout ? algorithm : new CompositeLayoutAlgorithm(new LayoutAlgorithm[] { algorithm, new ExpansionAlgorithm() }));
    actionSetAlgorithm[layoutAlgorithm.getValue()].setChecked(false);
    layoutAlgorithm = alg;
    actionSetAlgorithm[layoutAlgorithm.getValue()].setChecked(true);
}