| @@ -538,15 +538,18 module CollectiveIdea #:nodoc: | |||||
| 538 | end |
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538 | end | |
| 539 | end |
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539 | end | |
| 540 |
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540 | |||
| 541 | # on creation, set automatically lft and rgt to the end of the tree |
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541 | def right_most_bound | |
| 542 | def set_default_left_and_right |
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542 | right_most_node = | |
| 543 | highest_right_row = |
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| 544 | self.class.base_class.unscoped. |
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543 | self.class.base_class.unscoped. | |
| 545 | order("#{quoted_right_column_full_name} desc").limit(1).lock(true).first |
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544 | order("#{quoted_right_column_full_name} desc").limit(1).lock(true).first | |
| 546 |
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545 | right_most_node ? right_most_node[right_column_name] : 0 | |
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546 | end | |||
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547 | ||||
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548 | # on creation, set automatically lft and rgt to the end of the tree | |||
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549 | def set_default_left_and_right | |||
| 547 | # adds the new node to the right of all existing nodes |
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550 | # adds the new node to the right of all existing nodes | |
| 548 |
self[left_column_name] = |
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551 | self[left_column_name] = right_most_bound + 1 | |
| 549 |
self[right_column_name] = |
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552 | self[right_column_name] = right_most_bound + 2 | |
| 550 | end |
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553 | end | |
| 551 |
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554 | |||
| 552 | def in_tenacious_transaction(&block) |
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555 | def in_tenacious_transaction(&block) | |
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