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Show alert when block is deleted. Prevent errors from happening when a block is deleted from a field.

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This commit is contained in:
Sean Lip
2016-07-21 16:29:52 -07:00
parent bbde98c2a2
commit 21f15aca48
1 changed files with 11 additions and 6 deletions
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17
accessible/workspace-tree.component.js
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@@ -106,12 +106,13 @@ blocklyApp.WorkspaceTreeComponent = ng.core
isIsolatedTopLevelBlock_: function(block) {
// Returns whether the given block is at the top level, and has no
// siblings.
return Boolean(
!block.nextConnection.targetConnection &&
!block.previousConnection.targetConnection &&
blocklyApp.workspace.topBlocks_.some(function(topBlock) {
return topBlock.id == block.id;
}));
var blockIsAtTopLevel = !block.getParent();
var blockHasNoSiblings = (
(!block.nextConnection ||
!block.nextConnection.targetConnection) &&
(!block.previousConnection ||
!block.previousConnection.targetConnection));
return blockIsAtTopLevel && blockHasNoSiblings;
},
removeBlockAndSetFocus_: function(block, deleteBlockFunc) {
// This method runs the given function and then does one of two things:
@@ -139,10 +140,14 @@ blocklyApp.WorkspaceTreeComponent = ng.core
});
},
deleteBlock_: function() {
var blockDescription = this.block.toString();
var that = this;
this.removeBlockAndSetFocus_(this.block, function() {
that.block.dispose(true);
});
alert('Block deleted: ' + blockDescription);
},
pasteToConnection_: function(connection) {
var that = this;