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Add comments to break block change listener.

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This commit is contained in:
Beka Westberg
2020-02-19 14:40:28 -08:00
parent 392d25eb39
commit 5445cf4cf8
1 changed files with 6 additions and 1 deletions
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7
blocks/loops.js
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@@ -331,9 +331,13 @@ Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN = {
* @this {Blockly.Block}
*/
onchange: function(e) {
// Don't change state if:
// * It's at the start of a drag.
// * It's not a move event.
// * Or the moving block is not this block.
if (!this.workspace.isDragging || this.workspace.isDragging() ||
e.type != Blockly.Events.BLOCK_MOVE || e.blockId != this.id) {
return; // Don't change state at the start of a drag.
return;
}
var enabled = Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN
.getSurroundLoop(this);
@@ -341,6 +345,7 @@ Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN = {
Blockly.Msg['CONTROLS_FLOW_STATEMENTS_WARNING']);
if (!this.isInFlyout) {
var group = Blockly.Events.getGroup();
// Makes it so the move and the disable event get undone together.
Blockly.Events.setGroup(e.group);
this.setEnabled(enabled);
Blockly.Events.setGroup(group);