/**
* Add I/O blocks and reconnect them
*
* @param childGraph the child graph
* @param childModel the child graph model
* @param broken the broken entry
*/
private void connectChild(
final XcosDiagram childGraph, final mxGraphModel childModel, Broken broken) {
childGraph.addCell(broken.getChildBlock());
childGraph.addCell(broken.getChildLink());
final mxICell source = broken.getChildTerminal(true);
final mxICell target = broken.getChildTerminal(false);
// then connect the link
mxGraphModel.setTerminals(childModel, broken.getChildLink(), source, target);
}
/**
* Add I/O port and reconnect them
*
* @param parentGraph the parent graph
* @param parentModel the parent graph model
* @param superBlock the super block
* @param broken the broken entry
*/
private void connectParent(
final XcosDiagram parentGraph,
final mxGraphModel parentModel,
final SuperBlock superBlock,
Broken broken) {
parentGraph.addCell(broken.getParentPort(), superBlock);
parentGraph.addCell(broken.getParentLink());
final mxICell source = broken.getParentTerminal(true);
final mxICell target = broken.getParentTerminal(false);
// then connect the link
mxGraphModel.setTerminals(parentModel, broken.getParentLink(), source, target);
}
/**
* Create child cells and add them to the parent diagram. All links are also reconnected
*
* @param parentGraph the parent diagram
* @param superBlock the superblock
* @param inSelectionCells the cells in the selection
* @return the broken descriptor set
*/
private Collection<Broken> updateParent(
final XcosDiagram parentGraph,
final SuperBlock superBlock,
final Set<Object> inSelectionCells) {
final Collection<Broken> brokenLinks;
final mxGraphModel parentModel = (mxGraphModel) parentGraph.getModel();
parentModel.beginUpdate();
try {
/*
* Add the internal links and fill border links Sort the broken
* links by position (to perform a good numbering order) and keep
* only one occurrence of a broken link.
*/
brokenLinks = new TreeSet<Broken>();
fillLinks(parentModel, inSelectionCells, brokenLinks);
/*
* Disconnect the broken links
*/
for (Broken broken : brokenLinks) {
mxGraphModel.setTerminals(parentModel, broken.getParentLink(), null, null);
}
/*
* Add the super block
*/
parentGraph.addCell(superBlock);
/*
* Main broken loop
*/
// ordering access is : IN, OUT, e_IN, e_OUT
final int[] ordering = {0, 0, 0, 0};
for (Broken broken : brokenLinks) {
// set the ordering
incrementOrdering(ordering, broken);
connectParent(parentGraph, parentModel, superBlock, broken);
connectChild(parentGraph, parentModel, broken);
/*
* Update the view
*/
BlockPositioning.updateBlockView(broken.getChildBlock());
}
} finally {
parentModel.endUpdate();
}
return brokenLinks;
}