Examples with SLinkElbow org.antlr.xjlib.appkit.gview.shape.SLinkElbow used on opensource projects

Example 1 with SLinkElbow

use of org.antlr.xjlib.appkit.gview.shape.SLinkElbow in project antlrworks by antlr.

the class AWTreeGraphView method addChildElement.

public void addChildElement(GElementNode parent, GElementNode child) {
    /** Get the far right position of the last child */
    double x = parent.getLastChildRightSpan();
    /** Add a gap if there is already a child otherwise use the parent left coordinate */
    if (x > 0)
        x += HORIZONTAL_GAP;
    else
        x = parent.getLeft();
    /** Set the child position */
    child.setPositionOfUpperLeftCorner(x, parent.getBottom() + VERTICAL_GAP);
    /** Create the link from the parent to this child */
    GLink link = new GLink(parent, GLink.ANCHOR_BOTTOM, child, GLink.ANCHOR_TOP, GLink.SHAPE_ELBOW, "", 0);
    link.setDraggable(DRAGGABLE);
    /** Configure the link geometry */
    SLinkElbow l = (SLinkElbow) link.getLink();
    l.setOutOffsetLength(10);
    l.getArrow().setLength(6);
    /** Add the link and the child */
    parent.addElement(link);
    parent.addElement(child);
}

Example 2 with SLinkElbow

use of org.antlr.xjlib.appkit.gview.shape.SLinkElbow in project antlrworks by antlr.

the class GEventCreateLinkElement method mousePressed.

public void mousePressed(MouseEvent e, Point mousePosition) {
    GElement selectedElement = delegate.eventQueryElementAtPoint(mousePosition);
    if (startElement != null) {
        if (selectedElement != null) {
            int type;
            if (linkElement instanceof SLinkElbow)
                type = GLink.SHAPE_ELBOW;
            else
                type = GLink.SHAPE_ARC;
            delegate.eventCreateLink(startElement, startAnchorKey, selectedElement, selectedElement.getAnchorKeyClosestToPoint(mousePosition), type, mousePosition);
        }
        removeExclusiveValue(GEventManager.EXCLUSIVE_CREATE_LINK_VALUE);
        startElement = null;
        linkElement = null;
        delegate.eventShouldRepaint();
        return;
    }
    if (selectedElement == null || !selectedElement.acceptOutgoingLink()) {
        return;
    }
    int mask = InputEvent.SHIFT_DOWN_MASK + InputEvent.BUTTON1_DOWN_MASK;
    if ((e.getModifiersEx() & mask) == mask || delegate.eventCanCreateLink()) {
        startElement = selectedElement;
        startAnchorKey = startElement.getAnchorKeyClosestToPoint(mousePosition);
        linkArc = new SLinkArc();
        linkArc.setStartTangentOffset(startElement.getDefaultAnchorOffset(startAnchorKey));
        linkElbow = new SLinkElbow();
        if (view.defaultLinkShape() == GLink.SHAPE_ARC)
            linkElement = linkArc;
        else
            linkElement = linkElbow;
        linkElement.setFlateness(delegate.eventLinkFlateness());
        addExclusiveValue(GEventManager.EXCLUSIVE_CREATE_LINK_VALUE);
    }
}