Examples with Block edu.mit.blocks.codeblocks.Block used on opensource projects

Example 11 with Block

use of edu.mit.blocks.codeblocks.Block in project openblocks by mikaelhg.

the class TypeBlockManager method deleteBlockAndChildren.

/**
     * @requires the current block with focus must exist with non-null
     * 			 ID in a non-null widget with a non-null parent
     * @modifies the current block with focus
     * @effects  removes the current block with focus and children
     * 			 from the GUI and destroys the link
     * 			 between the block with focus and it's parent
     * 			 block if one exist and children blocks
     * 			 if it has childrens.
     */
private void deleteBlockAndChildren() {
    //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;
    }
    //get the Block's location on the canvas
    Point location = SwingUtilities.convertPoint(renderable, new Point(0, 0), this.blockCanvas.getCanvas());
    //for every valid and active connection, disconnect it.
    Long parentID = null;
    if (validConnection(block.getPlug())) {
        parentID = block.getPlugBlockID();
        this.disconnectBlock(block, widget);
        if (validConnection(block.getAfterConnector())) {
            disconnectBlock(workspace.getEnv().getBlock(block.getAfterBlockID()), widget);
        }
    } else if (validConnection(block.getBeforeConnector())) {
        parentID = block.getBeforeBlockID();
        BlockConnector parentConnectorToBlock = workspace.getEnv().getBlock(parentID).getConnectorTo(block.getBlockID());
        this.disconnectBlock(block, widget);
        if (validConnection(block.getAfterConnector())) {
            Long afterBlockID = block.getAfterBlockID();
            disconnectBlock(workspace.getEnv().getBlock(afterBlockID), widget);
            if (parentID != null) {
                BlockLink link = BlockLinkChecker.canLink(workspace, workspace.getEnv().getBlock(parentID), workspace.getEnv().getBlock(afterBlockID), parentConnectorToBlock, workspace.getEnv().getBlock(afterBlockID).getBeforeConnector());
                if (link != null) {
                    link.connect();
                    workspace.notifyListeners(new WorkspaceEvent(workspace, workspace.getEnv().getRenderableBlock(link.getPlugBlockID()).getParentWidget(), link, WorkspaceEvent.BLOCKS_CONNECTED));
                    workspace.getEnv().getRenderableBlock(link.getPlugBlockID()).repaintBlock();
                    workspace.getEnv().getRenderableBlock(link.getPlugBlockID()).repaint();
                    workspace.getEnv().getRenderableBlock(link.getPlugBlockID()).moveConnectedBlocks();
                    workspace.getEnv().getRenderableBlock(link.getSocketBlockID()).repaintBlock();
                    workspace.getEnv().getRenderableBlock(link.getSocketBlockID()).repaint();
                }
            }
        }
    } else if (validConnection(block.getAfterConnector())) {
        parentID = block.getAfterBlockID();
    }
    //remove form widget and container
    this.removeChildrenBlock(renderable, widget, container);
    //Otherwise, give the focus to the canvas (NOT BLOCK CANVAS)
    if (invalidBlockID(parentID)) {
        this.focusManager.setFocus(location, Block.NULL);
        this.blockCanvas.getCanvas().requestFocus();
        return;
    } else {
        this.focusManager.setFocus(parentID);
        this.blockCanvas.getCanvas().requestFocus();
        return;
    }
}

Example 12 with Block

use of edu.mit.blocks.codeblocks.Block in project openblocks by mikaelhg.

the class TypeBlockManager method automateNegationInsertion.

/**
     * assumes number and differen genus exist and number genus has ediitabel lable
     */
protected void automateNegationInsertion(Workspace workspace) {
    TypeBlockManager typeBlockManager = workspace.getTypeBlockManager();
    if (!typeBlockManager.isEnabled()) {
        System.err.println("AutoMateNegationInsertion invoked but typeBlockManager is disabled.");
        return;
    }
    //		====================>>>>>>>>>>>>>>>>>>>>>>>>>
    //		====================focus coming in>>>>>>>>>> TODO
    //		====================>>>>>>>>>>>>>>>>>>>>>>>>>
    //get focus block
    Long parentBlockID = typeBlockManager.focusManager.getFocusBlockID();
    if (isNullBlockInstance(parentBlockID)) {
        //focus on canvas
        automateBlockInsertion(workspace, "number", "-");
    } else {
        Block parentBlock = workspace.getEnv().getBlock(parentBlockID);
        if (parentBlock.isDataBlock()) {
            //focus on a data block
            automateBlockInsertion(workspace, "difference", null);
        } else {
            //focus on a non-data block
            automateBlockInsertion(workspace, "number", "-");
        }
    }
}

Example 13 with Block

use of edu.mit.blocks.codeblocks.Block in project openblocks by mikaelhg.

the class RenderableBlock method updateConnectors.

/**
     * Updates the renderable block with the underlying block's before,
     * after, and plug connectors.
     */
public void updateConnectors() {
    Block b = workspace.getEnv().getBlock(blockID);
    afterTag.setSocket(b.getAfterConnector());
    beforeTag.setSocket(b.getBeforeConnector());
    plugTag.setSocket(b.getPlug());
}

Example 14 with Block

use of edu.mit.blocks.codeblocks.Block in project openblocks by mikaelhg.

the class RenderableBlock method moveConnectedBlocks.

//////////////////////////////////
// MOVEMENT OF CONNECTED BLOCKS //
//////////////////////////////////
/**
     * Aligns all RenderableBlocks plugged into this one with the current location of this RenderableBlock.
     * These RenderableBlocks to move include blocks connected at sockets and the after connector.
     */
public void moveConnectedBlocks() {
    if (DEBUG) {
        System.out.println("move connected blocks of this: " + this);
    }
    // if this hasn't been added anywhere, asking its location will break stuff
    if (getParent() == null) {
        return;
    }
    Block b = workspace.getEnv().getBlock(blockID);
    Point socketLocation;
    Point plugLocation;
    RenderableBlock rb;
    Point myScreenOffset = getLocation();
    Point otherScreenOffset;
    for (BlockConnector socket : BlockLinkChecker.getSocketEquivalents(b)) {
        socketLocation = getSocketPixelPoint(socket);
        if (socket.hasBlock()) {
            rb = workspace.getEnv().getRenderableBlock(socket.getBlockID());
            // needs to be found and fixed!!
            if (rb == null) {
                System.out.println("Block doesn't exist yet: " + socket.getBlockID());
                continue;
            }
            plugLocation = rb.getSocketPixelPoint(BlockLinkChecker.getPlugEquivalent(workspace.getEnv().getBlock(socket.getBlockID())));
            otherScreenOffset = SwingUtilities.convertPoint(rb.getParent(), rb.getLocation(), getParent());
            otherScreenOffset.translate(-rb.getX(), -rb.getY());
            rb.setLocation((int) Math.round((float) myScreenOffset.getX() + socketLocation.getX() - (float) otherScreenOffset.getX() - plugLocation.getX()), (int) Math.round((float) myScreenOffset.getY() + socketLocation.getY() - (float) otherScreenOffset.getY() - plugLocation.getY()));
            rb.moveConnectedBlocks();
        }
    }
}

Example 15 with Block

use of edu.mit.blocks.codeblocks.Block in project openblocks by mikaelhg.

the class RenderableBlock method calcDimensionOfSocket.

/**
     * Calculates the dimensions at the specified socket
     * @param socket BlockConnector to calculate the dimension of
     * @return Dimension of the specified socket
     */
private Dimension calcDimensionOfSocket(BlockConnector socket) {
    Dimension finalDimension = new Dimension(0, 0);
    long curBlockID = socket.getBlockID();
    while (curBlockID != Block.NULL) {
        Block curBlock = workspace.getEnv().getBlock(curBlockID);
        //System.out.println("evaluating block :" + curBlock.getBlockLabel());
        RenderableBlock curRenderableBlock = workspace.getEnv().getRenderableBlock(curBlockID);
        Dimension curRBSize = curRenderableBlock.getBlockSize();
        //add height
        finalDimension.height += curRBSize.height;
        //subtract after plug
        if (curBlock.hasAfterConnector()) {
            finalDimension.height -= BlockConnectorShape.CONTROL_PLUG_HEIGHT;
        }
        //set largest width by iterating through to sockets and getting
        //the max width ONLY if curBlockID == connectedToBlockID
        int width = curRBSize.width;
        if (curBlock.getNumSockets() > 0 && !curBlock.isInfix()) {
            int maxSocWidth = getMaxWidthOfSockets(curBlockID);
            //need to add the placeholder width within bottom sockets if maxSocWidth is zero
            if (maxSocWidth == 0) {
                // Adjust for zoom
                width += 2 * BlockShape.BOTTOM_SOCKET_SIDE_SPACER * curRenderableBlock.getZoom();
            }
            if (maxSocWidth > 0) {
                //need to minus the data plug width, otherwise it is counted twice
                maxSocWidth -= BlockConnectorShape.NORMAL_DATA_PLUG_WIDTH;
                // Adjust for zoom
                width += maxSocWidth * curRenderableBlock.getZoom();
            }
        }
        if (width > finalDimension.width) {
            finalDimension.width = width;
        }
        //move down the afters
        curBlockID = workspace.getEnv().getBlock(curBlockID).getAfterBlockID();
    }
    return finalDimension;
}