private static boolean isNullBlockInstance(Long blockID) {
if (blockID == null) {
return true;
} else if (blockID.equals(Block.NULL)) {
return true;
} else if (Block.getBlock(blockID) == null) {
return true;
} else if (Block.getBlock(blockID).getBlockID() == null) {
return true;
} else if (Block.getBlock(blockID).getBlockID().equals(Block.NULL)) {
return true;
} else if (RenderableBlock.getRenderableBlock(blockID) == null) {
return true;
} else if (RenderableBlock.getRenderableBlock(blockID).getBlockID() == null) {
return true;
} else if (RenderableBlock.getRenderableBlock(blockID).getBlockID().equals(Block.NULL)) {
return true;
} else {
return false;
}
}
public static RenderableBlock makeRenderable(
Workspace workspace, BlockNode node, WorkspaceWidget widget) {
String genusName = node.getGenusName(); // genusName may not be null
RenderableBlock renderable = BlockUtilities.getBlock(workspace, genusName, node.getLabel());
if (renderable == null) {
throw new RuntimeException("No children block exists for this genus: " + genusName);
}
Block block = Block.getBlock(renderable.getBlockID()); // assume not null
widget.blockDropped(renderable);
for (int i = 0; i < node.getChildren().size(); i++) {
BlockConnector socket = block.getSocketAt(i);
BlockNode child = node.getChildren().get(i);
RenderableBlock childRenderable = makeRenderable(workspace, child, widget);
Block childBlock = Block.getBlock(childRenderable.getBlockID());
// link blocks
BlockLink link;
if (childBlock.hasPlug()) {
link = BlockLinkChecker.canLink(workspace, block, childBlock, socket, childBlock.getPlug());
} else if (childBlock.hasBeforeConnector()) {
link =
BlockLinkChecker.canLink(
workspace, block, childBlock, socket, childBlock.getBeforeConnector());
} else {
link = null;
} // assume link is not null
link.connect();
workspace.notifyListeners(
new WorkspaceEvent(
workspace,
RenderableBlock.getRenderableBlock(link.getPlugBlockID()).getParentWidget(),
link,
WorkspaceEvent.BLOCKS_CONNECTED));
}
if (node.getAfterNode() != null) {
BlockConnector socket = block.getAfterConnector(); // assume has after connector
BlockNode child = node.getAfterNode();
RenderableBlock childRenderable = makeRenderable(workspace, child, widget);
Block childBlock = Block.getBlock(childRenderable.getBlockID());
// link blocks
BlockLink link;
if (childBlock.hasPlug()) {
link = BlockLinkChecker.canLink(workspace, block, childBlock, socket, childBlock.getPlug());
} else if (childBlock.hasBeforeConnector()) {
link =
BlockLinkChecker.canLink(
workspace, block, childBlock, socket, childBlock.getBeforeConnector());
} else {
link = null;
} // assume link is not null
link.connect();
workspace.notifyListeners(
new WorkspaceEvent(
workspace,
RenderableBlock.getRenderableBlock(link.getPlugBlockID()).getParentWidget(),
link,
WorkspaceEvent.BLOCKS_CONNECTED));
}
return renderable;
}
