Examples of edu.mit.blocks.renderable.RenderableBlock

edu.mit.blocks.renderable.RenderableBlock
RenderableBlock is responsible for all graphical rendering of a code Block. This class is also responsible for consuming all mouse and key events on itself. Each RenderableBlock object is coupled with its associated Block object, and uses information maintained in Block to render the graphical block accordingly.

            if (pageChild.getNodeName().equals("PageBlocks")) {
                NodeList blocks = pageChild.getChildNodes();
                Node blockNode;
                for (int j = 0; j < blocks.getLength(); j++) {
                    blockNode = blocks.item(j);
                    RenderableBlock rb = RenderableBlock.loadBlockNode(workspace, blockNode, this, idMapping);
                    // save the loaded blocks to add later
                    loadedBlocks.add(rb);
                }
                break;  //should only have one set of page blocks
            }

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                this.removeBlock(toBeRemovedBlock);
            }
            //Finally, add all the remaining blocks that weren't there before
            ArrayList<RenderableBlock> blocksToAdd = new ArrayList<RenderableBlock>();
            for (Long newBlockID : unloadedRenderableBlockStates) {
                RenderableBlock newBlock = new RenderableBlock(workspace, this, newBlockID);
                newBlock.loadState(renderableBlockStates.get(newBlockID));
                blocksToAdd.add(newBlock);
            }
            this.addBlocks(blocksToAdd);
            this.pageJComponent.repaint();
        }

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        socket blocks.  If stacks were dropped top-first, this would check the
        blocks up the stack rather than down the stack. TODO - this doesn't
        always work, because there can be multiple "branches" that might get
        dropped on different places.  Need to find a way to drop according the
        widget of the top block of the stack...*/
        RenderableBlock socketBlock;
        for (BlockConnector con : (workspace.getEnv().getBlock(block.getBlockID()).getSockets())) {
            socketBlock = block.getWorkspace().getEnv().getRenderableBlock(con.getBlockID());
            if (socketBlock != null) {
                w = socketBlock.getParentWidget();
            }
        }
        w.blockDropped(block);
        this.repaint();
    }

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        //Do not delete null block references.  Otherwise, get Block and RenderableBlock instances.
        if (isNullBlockInstance(focusManager.getFocusBlockID())) {
            throw new RuntimeException("TypeBlockManager: deleting a null block references.");
        }
        Block block = workspace.getEnv().getBlock(focusManager.getFocusBlockID());
        RenderableBlock renderable = workspace.getEnv().getRenderableBlock(block.getBlockID());


        //get workspace widget associated with current focus
        WorkspaceWidget widget = renderable.getParentWidget();
        //do not delete block instances in null widgets
        if (widget == null) {
            throw new RuntimeException("TypeBlockManager: do not delete blocks with no parent widget.");
            //return;
        }
        //get parent container of this graphical representation
        Container container = renderable.getParent();
        //do not delete block instances in null parents
        if (container == null) {
            throw new RuntimeException("TypeBlockManager: do not delete blocks with no parent container.");
            //return;
        }

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        //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);
        }

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        //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);
        }

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            return;
        }


        link.disconnect();


        RenderableBlock parentRenderable = workspace.getEnv().getRenderableBlock(parentBlock.getBlockID());
        if (parentRenderable == null) {
            throw new RuntimeException("INCONSISTANCY VIOLATION: "
                    + "parent block was valid, non-null, and existed.\n\tBut yet, when we get it's renderable"
                    + "representation, we recieve a null instance.\n\tIf the Block instance of an ID is non-null"
                    + "then its graphical RenderableBlock should be non-null as well");
        }
        parentRenderable.blockDisconnected(parentSocket);
        workspace.notifyListeners(new WorkspaceEvent(workspace, widget, link, WorkspaceEvent.BLOCKS_DISCONNECTED));
    }

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            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);
            }

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            } else if (dir == Direction.LEFT) {
                focusManager.focusPrevBlock();
            } else if (dir == Direction.RIGHT) {
                focusManager.focusNextBlock();
            } else if (dir == Direction.ESCAPE) {
                RenderableBlock block = workspace.getEnv().getRenderableBlock(
                        focusManager.getFocusBlockID());
                Point location = SwingUtilities.convertPoint(block, new Point(0, 0), this.blockCanvas.getCanvas());
                this.focusManager.setFocus(location, Block.NULL);
                this.blockCanvas.getCanvas().requestFocus();
            } else if (dir == Direction.ENTER) {

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            autoCompletePanel.setVisible(true);
            autoCompletePanel.requestFocus();
        } else {
            //renderableblock has focus
            this.blockCanvas.getCanvas().add(autoCompletePanel, JLayeredPane.DRAG_LAYER);
            RenderableBlock block = workspace.getEnv().getRenderableBlock(focusManager.getFocusBlockID());
            Point location = SwingUtilities.convertPoint(
                    block,
                    this.focusManager.getBlockPoint(),
                    this.blockCanvas.getCanvas());
            location.translate(10, 10);

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Related Classes of edu.mit.blocks.renderable.RenderableBlock

com.ardublock.core.Context

edu.mit.blocks.codeblocks.Block

edu.mit.blocks.codeblocks.BlockConnector

edu.mit.blocks.codeblocks.BlockLink

edu.mit.blocks.codeblocks.BlockShape

edu.mit.blocks.codeblocks.BlockStub

edu.mit.blocks.codeblocks.InfixBlockShape

edu.mit.blocks.codeblocks.JComponentDragHandler

edu.mit.blocks.codeblockutil.CToolTip

edu.mit.blocks.workspace.FactoryCanvas

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