public void workspaceEventOccurred(WorkspaceEvent event) {
// THIS ENTIRE METHOD IS A HACK!
// PLEASE CHANGE WITH CAUTION
// IT DOES SOME PREETY STRANGE THINGS
if (event.getEventType() == WorkspaceEvent.BLOCK_ADDED) {
if (event.getSourceWidget() instanceof Page) {
Page page = (Page) event.getSourceWidget();
Block block = Block.getBlock(event.getSourceBlockID());
// block may not be null if this is a block added event
if (block.hasStubs()) {
for (BlockStub stub : block.getFreshStubs()) {
this.addDynamicBlock(
new FactoryRenderableBlock(this, stub.getBlockID()), page.getPageDrawer());
}
}
}
} else if (event.getEventType() == WorkspaceEvent.BLOCK_REMOVED) {
// may not be removing a null stanc eof block, so DO NOT check for it
Block block = Block.getBlock(event.getSourceBlockID());
if (block.hasStubs()) {
for (Long stub : BlockStub.getStubsOfParent(block.getBlockID())) {
RenderableBlock rb = RenderableBlock.getRenderableBlock(stub);
if (rb != null
&& !rb.getBlockID().equals(Block.NULL)
&& rb.getParentWidget() != null
&& rb.getParentWidget().equals(this)) {
// rb.getParent() should not be null
rb.getParent().remove(rb);
rb.setParentWidget(null);
}
}
}
this.relayoutBlocks();
} else if (event.getEventType() == WorkspaceEvent.BLOCK_MOVED) {
Block block = Block.getBlock(event.getSourceBlockID());
if (block != null && block.hasStubs()) {
for (Long stub : BlockStub.getStubsOfParent(block.getBlockID())) {
RenderableBlock rb = RenderableBlock.getRenderableBlock(stub);
if (rb != null
&& !rb.getBlockID().equals(Block.NULL)
&& rb.getParentWidget() != null
&& rb.getParentWidget().equals(this)) {
// rb.getParent() should not be null
rb.getParent().remove(rb);
rb.setParentWidget(null);
}
}
this.relayoutBlocks();
}
} else if (event.getEventType() == WorkspaceEvent.PAGE_RENAMED) {
// this.relayoutBlocks();
}
}
public void addDynamicBlocks(Collection<RenderableBlock> blocks, String drawer) {
// find canvas
for (FactoryCanvas canvas : this.dynamicCanvases) {
if (canvas.getName().equals(drawer)) {
for (RenderableBlock block : blocks) {
if (block == null || Block.NULL.equals(block.getBlockID())) continue;
canvas.addBlock(block);
Workspace.getInstance()
.notifyListeners(
new WorkspaceEvent(this, block.getBlockID(), WorkspaceEvent.BLOCK_ADDED));
}
canvas.layoutBlocks();
return;
}
}
this.printError("Drawer not found: " + drawer);
return;
}
/**
* Adds the specified RenderableBlocks to the drawer with the specified drawerName. Do nothing if
* the drawer with the specified drawerName does not exist.
*
* @param blocks Collection of RenderableBlocks to the drawer with name: drawerName
* @param drawerName String name of the drawer to add blocks to
*/
public void addSubsetBlocks(Collection<RenderableBlock> blocks, String drawerName) {
// find canvas //TODO generalize the following code to one method where you pass in the blocks,
// drawername, and canvas types
for (FactoryCanvas canvas : this.subsetCanvases) {
if (canvas.getName().equals(drawerName)) {
for (RenderableBlock block : blocks) {
if (block == null || Block.NULL.equals(block.getBlockID())) continue;
canvas.addBlock(block);
Workspace.getInstance()
.notifyListeners(
new WorkspaceEvent(this, block.getBlockID(), WorkspaceEvent.BLOCK_ADDED));
}
canvas.layoutBlocks();
return;
}
}
this.printError("Drawer not found: " + drawerName);
return;
}
public void addDynamicBlock(RenderableBlock block, String drawer) {
for (FactoryCanvas canvas : this.dynamicCanvases) {
if (canvas.getName().equals(drawer)) {
if (block == null || Block.NULL.equals(block.getBlockID())) {
printError("Attempting to add a null instance of block");
return;
} else {
canvas.addBlock(block);
Workspace.getInstance()
.notifyListeners(
new WorkspaceEvent(this, block.getBlockID(), WorkspaceEvent.BLOCK_ADDED));
canvas.layoutBlocks();
return;
}
}
}
this.printError("Drawer not found: " + drawer);
return;
}
/**
* Sets up the subsets by clearing all subsets and installing the new collection of subsets. If
* "usingSys" is true, the the factory and myblocks drawers will be accessible. If "usingSubs" is
* true, then the subset drawers will be accessible.
*
* @param subsets - collection of subsets
* @param usingSys - true for factory and myblocks
* @param usingSubs - true for subsets
*/
public void setupSubsets(Collection<Subset> subsets, boolean usingSys, boolean usingSubs) {
if (usingSubs) {
this.subsetCanvases.clear();
for (Subset subset : subsets) {
FactoryCanvas canvas = new FactoryCanvas(subset.getName(), subset.getColor());
for (RenderableBlock frb : subset.getBlocks()) {
canvas.addBlock(frb);
Workspace.getInstance()
.notifyListeners(
new WorkspaceEvent(this, frb.getBlockID(), WorkspaceEvent.BLOCK_ADDED));
}
canvas.layoutBlocks();
this.subsetCanvases.add(canvas);
}
this.navigator.setCanvas(this.subsetCanvases, SUBSETS_NAME);
if (usingSys) {
this.factorySwicther.removeAll();
this.factorySwicther.add(this.navigator.getSwitcher());
} else {
this.factorySwicther.removeAll();
this.factorySwicther.add(new CLabel(SUBSETS_NAME));
}
this.viewSubsetsDrawers();
} else if (usingSys) {
this.factorySwicther.removeAll();
final CBorderlessButton factoryButton = new CBorderlessButton(STATIC_NAME);
final CBorderlessButton myblocksButton = new CBorderlessButton(DYNAMIC_NAME);
ActionListener listener =
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (factoryButton.equals(e.getSource())) {
FactoryManager.this.viewStaticDrawers();
} else if (myblocksButton.equals(e.getSource())) {
FactoryManager.this.viewDynamicDrawers();
}
}
};
factoryButton.addActionListener(listener);
myblocksButton.addActionListener(listener);
this.factorySwicther.add(factoryButton, BorderLayout.WEST);
this.factorySwicther.add(myblocksButton, BorderLayout.EAST);
this.viewStaticDrawers();
}
this.factorySwicther.revalidate();
this.factorySwicther.repaint();
}
public void blockDropped(RenderableBlock block) {
// remove block
WorkspaceWidget oldParent = block.getParentWidget();
if (oldParent != null) oldParent.removeBlock(block);
Container parent = block.getParent();
if (parent != null) {
parent.remove(block);
parent.validate();
parent.repaint();
block.setParentWidget(null);
}
// fire to workspace that block was removed
// DO FIRE AN EVENT IF BLOCK IS REMOVED BY USER!!!!
// NOTE however that we do not throw na event for adding internally
Workspace.getInstance()
.notifyListeners(
new WorkspaceEvent(this, block.getBlockID(), WorkspaceEvent.BLOCK_REMOVED));
}