/**
* This method serves to help clients sort blocks within a page in some manner.
*
* @param page
* @param topLevelBlocks
* @requires page != null && topLevelBlocks != null
* @modifies the location of all topLevelBlocks
* @effects sort the topLevelBlocks and move them to an order location on the page
*/
protected static void sortBlockStacks(Page page, Collection<RenderableBlock> topLevelBlocks) {
blocksToArrange.clear();
positioningBounds.setBounds(
BUFFER_BETWEEN_BLOCKS, BUFFER_BETWEEN_BLOCKS, 0, BUFFER_BETWEEN_BLOCKS);
// created an ordered list of blocks based on x-coordinate position
blocksToArrange.addAll(topLevelBlocks);
// Naively places blocks from top to bottom, left to right.
for (RenderableBlock block : blocksToArrange) {
Rectangle bounds = block.getStackBounds();
if (positioningBounds.height + bounds.height > page.getJComponent().getHeight()) {
// need to go to next column
positioningBounds.x = positioningBounds.x + positioningBounds.width + BUFFER_BETWEEN_BLOCKS;
positioningBounds.width = 0;
positioningBounds.height = BUFFER_BETWEEN_BLOCKS;
}
block.setLocation(positioningBounds.x, positioningBounds.height);
// sets the x and y position for when workspace is unzoomed
block.setUnzoomedX(block.calculateUnzoomedX(positioningBounds.x));
block.setUnzoomedY(block.calculateUnzoomedY(positioningBounds.height));
block.moveConnectedBlocks();
// update positioning bounds
positioningBounds.width = Math.max(positioningBounds.width, bounds.width);
positioningBounds.height = positioningBounds.height + bounds.height + BUFFER_BETWEEN_BLOCKS;
if (positioningBounds.x + positioningBounds.width > page.getJComponent().getWidth()) {
// resize page to the difference
page.addPixelWidth(
positioningBounds.x + positioningBounds.width - page.getJComponent().getWidth());
}
}
}
