private void pasteStack(BlockNode node) {
// ====================>>>>>>>>>>>>>>>>>>>>>>>>>
// ====================focus coming in>>>>>>>>>> TODO
// ====================>>>>>>>>>>>>>>>>>>>>>>>>>
if (node == null) {
return;
}
WorkspaceWidget widget = null;
Iterable<WorkspaceWidget> widgets = null;
Point spot = null;
if (invalidBlockID(focusManager.getFocusBlockID())) {
// canvas has focus
Point location =
SwingUtilities.convertPoint(
this.blockCanvas.getCanvas(), this.focusManager.getCanvasPoint(), workspace);
widget = workspace.getWidgetAt(location);
spot =
SwingUtilities.convertPoint(
this.blockCanvas.getCanvas(),
this.focusManager.getCanvasPoint(),
widget.getJComponent());
} else {
RenderableBlock focusRenderable =
workspace.getEnv().getRenderableBlock(focusManager.getFocusBlockID());
widget = focusRenderable.getParentWidget();
spot = focusRenderable.getLocation();
}
if (widget == null) {
// TODO: To be examined and fixed, occurs on macs
JOptionPane.showMessageDialog(
frame, "Please click somewhere on the canvas first.", "Error", JOptionPane.PLAIN_MESSAGE);
// throw new RuntimeException("Why are we adding a block to a null widget?");
} else {
// checks to see if the copied block still exists
if (BlockUtilities.blockExists(workspace, node)) {
// create mirror block and mirror childrens
spot.translate(10, 10);
RenderableBlock mirror = BlockUtilities.makeRenderable(workspace, node, widget);
mirror.setLocation(spot);
mirror.moveConnectedBlocks(); // make sure the childrens are placed correctly
} else {
// TODO: future version, allow them to paste
JOptionPane.showMessageDialog(
frame,
"You cannot paste blocks that are currently NOT on the canvas."
+ "\nThis function will be available in a future version.\n",
"Error",
JOptionPane.PLAIN_MESSAGE);
}
}
}
/**
* @param renderable
* @param widget
* @param container
* @requires renderable != null && renderable.blockID != null && renderable.blockID != Block.NULL
* && widget != null && container != null
* @modifies renderable && children blocks connected to renderable
* @effects removes renderable from container and widget and re-renders renderable block, widget,
* and container appropriately. Repeats for all of renderable's children.
*/
private void removeBlock(
RenderableBlock renderable, WorkspaceWidget widget, Container container) {
widget.removeBlock(renderable);
container.remove(renderable);
container.validate();
container.repaint();
renderable.setParentWidget(null);
// Workspace.getInstance().notifyListeners(new WorkspaceEvent(widget, renderable.getBlockID(),
// WorkspaceEvent.BLOCK_REMOVED));
for (BlockConnector child :
BlockLinkChecker.getSocketEquivalents(
workspace.getEnv().getBlock(renderable.getBlockID()))) {
if (child == null || child.getBlockID().equals(Block.NULL)) {
continue;
}
RenderableBlock childRenderable = workspace.getEnv().getRenderableBlock(child.getBlockID());
if (childRenderable == null) {
continue;
}
removeBlock(childRenderable, widget, container);
}
if (renderable.hasComment()) {
renderable.removeComment();
}
workspace.notifyListeners(
new WorkspaceEvent(
workspace, widget, renderable.getBlockID(), WorkspaceEvent.BLOCK_REMOVED));
}
public static void deleteBlock(RenderableBlock block) {
block.setLocation(0, 0);
WorkspaceWidget widget = block.getParentWidget();
if (widget != null) {
widget.removeBlock(block);
}
Container parent = block.getParent();
if (parent != null) {
parent.remove(block);
parent.validate();
}
block.setParentWidget(null);
Workspace workspace = block.getWorkspace();
workspace.notifyListeners(
new WorkspaceEvent(workspace, widget, block.getBlockID(), WorkspaceEvent.BLOCK_REMOVED));
}
private void removeChildrenBlock(
RenderableBlock renderable, WorkspaceWidget widget, Container container) {
widget.removeBlock(renderable);
container.remove(renderable);
container.validate();
container.repaint();
renderable.setParentWidget(null);
// Workspace.getInstance().notifyListeners(new WorkspaceEvent(widget, renderable.getBlockID(),
// WorkspaceEvent.BLOCK_REMOVED));
for (BlockConnector child : workspace.getEnv().getBlock(renderable.getBlockID()).getSockets()) {
if (child == null || child.getBlockID().equals(Block.NULL)) {
continue;
}
RenderableBlock childRenderable = workspace.getEnv().getRenderableBlock(child.getBlockID());
if (childRenderable == null) {
continue;
}
removeBlock(childRenderable, widget, container);
}
// If it is a procedure block, we want to delete the entire stack
if (workspace.getEnv().getBlock(renderable.getBlockID()).isProcedureDeclBlock()) {
if (workspace.getEnv().getBlock(renderable.getBlockID()).getAfterBlockID() != Block.NULL) {
removeAfterBlock(
workspace
.getEnv()
.getRenderableBlock(
workspace.getEnv().getBlock(renderable.getBlockID()).getAfterBlockID()),
widget,
container);
this.disconnectBlock(
workspace
.getEnv()
.getBlock(workspace.getEnv().getBlock(renderable.getBlockID()).getAfterBlockID()),
widget);
}
}
if (renderable.hasComment()) {
renderable.removeComment();
}
workspace.notifyListeners(
new WorkspaceEvent(
workspace, widget, renderable.getBlockID(), WorkspaceEvent.BLOCK_REMOVED));
}
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;
}
