scratchfoundation/scratch-blocks
1
0
Fork 0
mirror of https://github.com/scratchfoundation/scratch-blocks.git synced 2025-08-13 14:39:18 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions1

Add red 'X' to mouse cursor if blocks are over toolbox.

Browse source
This commit is contained in:
Neil Fraser 2014-12-02 15:00:10 -08:00
parent 3bc81bd543
commit c9169285d9
6 changed files with 48 additions and 12 deletions

21
core/toolbox.js
View file

@ -32,6 +32,7 @@ goog.require('goog.html.SafeHtml');
goog.require('goog.style');
goog.require('goog.ui.tree.TreeControl');
goog.require('goog.ui.tree.TreeNode');
goog.require('goog.math.Rect');
/**
@ -197,6 +198,26 @@ Blockly.Toolbox.prototype.clearSelection = function() {
this.tree_.setSelectedItem(null);
};
/**
* Return the deletion rectangle for this toolbar.
* @return {goog.math.Rect} Rectangle in which to delete.
*/
Blockly.Toolbox.prototype.getRect = function() {
// BIG_NUM is offscreen padding so that blocks dragged beyond the toolbox
// area are still deleted. Must be smaller than Infinity, but larger than
// the largest screen size.
var BIG_NUM = 10000000;
// Assumes that the toolbox is on the SVG edge. If this changes
// (e.g. toolboxes in mutators) then this code will need to be more complex.
if (Blockly.RTL) {
var svgSize = Blockly.svgSize();
var x = svgSize.width - this.width;
} else {
var x = -BIG_NUM;
}
return new goog.math.Rect(x, -BIG_NUM, BIG_NUM + this.width, 2 * BIG_NUM);
};
// Extending Closure's Tree UI.
/**