Examples with KGraphElement de.cau.cs.kieler.klighd.kgraph.KGraphElement used on opensource projects

Example 1 with KGraphElement

use of de.cau.cs.kieler.klighd.kgraph.KGraphElement in project lingua-franca by lf-lang.

the class ReactionPortAdjustment method modify.

@Override
public boolean modify(IStyleModifier.StyleModificationContext context) {
    try {
        KGraphElement node = context.getGraphElement();
        if (node instanceof KNode) {
            KNode knode = (KNode) node;
            // Find root node
            KNode parent = knode;
            while (parent.eContainer() != null) {
                parent = (KNode) parent.eContainer();
            }
            // Get viewer (this is a bit brittle because it fetches the viewer from some internal property)
            Map.Entry<IProperty<?>, Object> first = IterableExtensions.findFirst(parent.getAllProperties().entrySet(), it -> {
                return it.getKey().getId().equals("de.cau.cs.kieler.klighd.viewer") || it.getKey().getId().equals("klighd.layout.viewer");
            });
            Object viewer = first != null ? first.getValue() : null;
            ILayoutRecorder recorder = null;
            if (viewer instanceof IViewer) {
                recorder = ((IViewer) viewer).getViewContext().getLayoutRecorder();
            }
            if (!knode.getPorts().isEmpty()) {
                if (IterableExtensions.head(knode.getPorts()).getYpos() != 0 && !knode.getProperty(ReactionPortAdjustment.PROCESSED)) {
                    // important for incremental update animation
                    if (recorder != null) {
                        recorder.startRecording();
                    }
                    List<KPort> in = IterableExtensions.toList(IterableExtensions.sortBy(IterableExtensions.filter(knode.getPorts(), it -> {
                        return it.getProperty(CoreOptions.PORT_SIDE) == PortSide.WEST && !it.hasProperty(CoreOptions.PORT_BORDER_OFFSET);
                    }), it -> {
                        return it.getYpos();
                    }));
                    List<KPort> out = IterableExtensions.toList(IterableExtensions.sortBy(IterableExtensions.filter(knode.getPorts(), it -> {
                        return it.getProperty(CoreOptions.PORT_SIDE) == PortSide.EAST && !it.hasProperty(CoreOptions.PORT_BORDER_OFFSET);
                    }), it -> {
                        return it.getYpos();
                    }));
                    // Adjust
                    adjustPositions(IterableExtensions.indexed(in), in.size(), true);
                    adjustPositions(IterableExtensions.indexed(out), out.size(), false);
                    knode.setProperty(ReactionPortAdjustment.PROCESSED, true);
                    if (recorder != null) {
                        recorder.stopRecording(0);
                    }
                } else if (IterableExtensions.head(knode.getPorts()).getYpos() == 0) {
                    knode.setProperty(PROCESSED, false);
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    // do not disturb rendering process
    }
    return false;
}