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copied!<p>This is PrimeFaces bug in <strong>treetable.js</strong>, <a href="https://code.google.com/p/primefaces/issues/detail?id=6007" rel="nofollow">there is issue</a>.</p> <p>The problem is because <em>unselectAllNodes()</em> function in <strong>treetable.js</strong> does not clear <strong>selection</strong> array variable but it should be empty after exit from this function:</p> <pre><code>unselectAllNodes: function() { var selectedNodes = this.tbody.children('tr.ui-state-highlight'); for(var i = 0; i < selectedNodes.length; i++) { this.unselectNode(selectedNodes.eq(i), true); } } </code></pre> <p>When parent row with previous selected row is expanded this bug not occur, because all visible selected rows (search by <em>ui-state-highlight</em> attribute) unselects with removing from <strong>selection</strong> array variable. But when parent row is collapsed, tbody.children*('tr.ui-state-highlight')* return empty list, and <strong>selection</strong> array variable have previous value plus new selectable value separated by comma.</p> <p>Good news that from PrimeFaces 4.0 release this bug was fixed. because <a href="https://code.google.com/p/primefaces/source/diff?spec=svn10078&r=10078&format=side&path=/primefaces/trunk/src/main/resources/META-INF/resources/primefaces/treetable/treetable.js&old_path=/primefaces/trunk/src/main/resources/META-INF/resources/primefaces/treetable/treetable.js&old=10076" rel="nofollow">this commit</a> have been inluded to release. One small difference: <strong>selection</strong> array variable have been renamed to <strong>selections</strong> by other commits.</p> <pre><code>unselectAllNodes: function() { var selectedNodes = this.tbody.children('tr.ui-state-highlight'); for(var i = 0; i < selectedNodes.length; i++) { this.unselectNode(selectedNodes.eq(i), true); } this.selections = []; this.writeSelections(); } </code></pre>

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