本文整理汇总了Java中edu.mit.blocks.renderable.BlockNode类的典型用法代码示例。如果您正苦于以下问题：Java BlockNode类的具体用法？Java BlockNode怎么用？Java BlockNode使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
BlockNode类属于edu.mit.blocks.renderable包，在下文中一共展示了BlockNode类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: pasteStack
import edu.mit.blocks.renderable.BlockNode; //导入依赖的package包/类
private void pasteStack(BlockNode node) {
// ====================>>>>>>>>>>>>>>>>>>>>>>>>>
// ====================focus coming in>>>>>>>>>> TODO
// ====================>>>>>>>>>>>>>>>>>>>>>>>>>
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);
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);
}
}
}