Examples with RenderableBlock edu.mit.blocks.renderable.RenderableBlock used on opensource projects

Example 11 with RenderableBlock

use of edu.mit.blocks.renderable.RenderableBlock 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 RenderableBlock

use of edu.mit.blocks.renderable.RenderableBlock in project openblocks by mikaelhg.

the class TypeBlockManager method automateBlockInsertion.

/**
 * @param workspace The workspace in use
 * @param genusName
 * @param label
 *
 * @requires if (label != null) then associated block.isLabelEditable() should return true
 * @modifies 	focusManager.focusblock &&
 * 				focusManager.focuspoint &&
 * 				blockCanvas
 * @effects Do nothing if "genusName" does not map to a valid block.
 * 			Otherwise, create and add a new block with matching genus
 * 			and label properties to one of the following:
 * 				1. the current block with focus at (0,0)
 * 				   relative to that block.
 * 				2. the current block with focus at next
 * 				   applicable socket location
 * 				3. the canvas at the last mouse click point.
 * 			Then update any focus and block connections.
 */
protected void automateBlockInsertion(Workspace workspace, String genusName, String label) {
    TypeBlockManager typeBlockManager = workspace.getTypeBlockManager();
    if (!typeBlockManager.isEnabled()) {
        System.err.println("AutoMateBlockInsertion invoked but typeBlockManager is disabled.");
        return;
    }
    // if genus is null, DO NOT insert a new block, DO NOT change the focus
    if (genusName == null) {
        return;
    }
    // get matching textual Block
    RenderableBlock createdRB = BlockUtilities.getBlock(workspace, genusName, null);
    if (createdRB == null) {
        return;
    } else {
        // does not need to have a unique label
        if (label != null && workspace.getEnv().getBlock(createdRB.getBlockID()).isLabelEditable() && !workspace.getEnv().getBlock(createdRB.getBlockID()).labelMustBeUnique()) {
            workspace.getEnv().getBlock(createdRB.getBlockID()).setBlockLabel(label);
        }
        // add block
        typeBlockManager.addBlock(createdRB);
    }
}

Example 13 with RenderableBlock

use of edu.mit.blocks.renderable.RenderableBlock in project openblocks by mikaelhg.

the class TypeBlockManager method pasteStack.

private void pasteStack(BlockNode node) {
    // ====================>>>>>>>>>>>>>>>>>>>>>>>>>
    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);
            // make sure the childrens are placed correctly
            mirror.moveConnectedBlocks();
        } 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);
        }
    }
}

Example 14 with RenderableBlock

use of edu.mit.blocks.renderable.RenderableBlock in project openblocks by mikaelhg.

the class TypeBlockManager method removeChildrenBlock.

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));
}

Example 15 with RenderableBlock

use of edu.mit.blocks.renderable.RenderableBlock in project openblocks by mikaelhg.

the class TypeBlockManager method displayAutoCompletePanel.

/**
 * @requires this.blockCanvas.getCanvas() != null
 * @param character
 */
private void displayAutoCompletePanel(char character) {
    // ====================>>>>>>>>>>>>>>>>>>>>>>>>>
    if (invalidBlockID(focusManager.getFocusBlockID())) {
        // canvas has focus
        this.blockCanvas.getCanvas().add(autoCompletePanel, JLayeredPane.DRAG_LAYER);
        autoCompletePanel.setLocation(this.focusManager.getCanvasPoint());
        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);
        autoCompletePanel.setLocation(location);
        autoCompletePanel.setVisible(true);
        autoCompletePanel.requestFocus();
    }
    autoCompletePanel.setText(String.valueOf(character));
}