I am having an issue with the RadTreeView control where it scrolls to the selected node unexpectedly. See attached code:
Replication steps:
1) Expand enough nodes to have a scrollbar.
2) Select a node.
3) Scroll until the selected node is not in view.
4) Expand or Collapse a node.
5) The screen will scroll until the selected node is in view. <- bad.
Please help me fix this.
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2","cssClass":"ChildPropertyNode","image":""},{"ID":"23","PK":"2","value":"NodeType=Object:19114422,ObjectID=23,ObjectPK=2,EntityObjectPK=1000015","name":"Credit Card","tooltip":"23, 1527, 2","cssClass":"ChildPropertyNode","image":""},{"ID":"23","PK":"1","value":"NodeType=Object:19114421,ObjectID=23,ObjectPK=1,EntityObjectPK=1000015","name":"Credit Card","tooltip":"23, 1527, 1","cssClass":"ChildPropertyNode","image":""}]}]}]},{"ID":"0","PK":"Document","value":"","name":"Document","tooltip":"Document","cssClass":"ParentPropertyNode","image":"/UI/private/images/Folder.jpg","Nodes":[{"ID":"22","PK":"89","value":"NodeType=Object:19114677,ObjectID=22,ObjectPK=89,EntityObjectPK=1000015","name":"Test Document","tooltip":"22, 1712, 89","cssClass":"ChildPropertyNode","image":"/UI/Private/Images/Document.jpg"},{"ID":"22","PK":"87","value":"NodeType=Object:19114674,ObjectID=22,ObjectPK=87,EntityObjectPK=1000015","name":"Test Document","tooltip":"22, 1712, 87","cssClass":"ChildPropertyNode","image":"/UI/Private/Images/Document.jpg"}]},{"ID":"0","PK":"Names","value":"","name":"Names","tooltip":"Names","cssClass":"ParentPropertyNode","image":"/UI/private/images/Folder.jpg","Nodes":[{"ID":"19","PK":"1000051","value":"NodeType=Object:19114442,ObjectID=19,ObjectPK=1000051,EntityObjectPK=1000015","name":"Individual Name: Current: _test: bag","tooltip":"19, 5, 1000051","cssClass":"ChildPropertyNode","image":"/UI/Private/Images/Name.jpg"}]},{"ID":"0","PK":"History","value":"","name":"History","tooltip":"History","cssClass":"ParentPropertyNode","image":"/UI/private/images/Folder.jpg","Nodes":[{"ID":"14","PK":"21","value":"NodeType=Object:19114432,ObjectID=14,ObjectPK=21,EntityObjectPK=1000015","name":"Medical School","tooltip":"14, 1708, 21","cssClass":"ChildPropertyNode","image":"/UI/Private/Images/History.jpg"},{"ID":"14","PK":"20","value":"NodeType=Object:19114431,ObjectID=14,ObjectPK=20,EntityObjectPK=1000015","name":"Medical School","tooltip":"14, 1708, 20","cssClass":"ChildPropertyNode","image":"/UI/Private/Images/History.jpg"},{"ID":"14","PK":"19","value":"NodeType=Object:19114430,ObjectID=14,ObjectPK=19,EntityObjectPK=1000015","name":"Medical School","tooltip":"14, 1708, 19","cssClass":"ChildPropertyNode","image":"/UI/Private/Images/History.jpg"},{"ID":"14","PK":"18","value":"NodeType=Object:19114429,ObjectID=14,ObjectPK=18,EntityObjectPK=1000015","name":"Medical School","tooltip":"14, 1708, 18","cssClass":"ChildPropertyNode","image":"/UI/Private/Images/History.jpg"},{"ID":"14","PK":"1","value":"NodeType=Object:19114277,ObjectID=14,ObjectPK=1,EntityObjectPK=1000015","name":"Medical School","tooltip":"14, 1708, 1","cssClass":"ChildPropertyNode","image":"/UI/Private/Images/History.jpg"}]},{"ID":"0","PK":"Test Collection","value":"","name":"Test Collection","tooltip":"Test Collection","cssClass":"ParentPropertyNode","image":"/UI/private/images/Folder.jpg","Nodes":[{"ID":"14","PK":"17","value":"NodeType=Object:19114428,ObjectID=14,ObjectPK=17,EntityObjectPK=1000015","name":"High School","tooltip":"14, 1709, 17","cssClass":"ChildPropertyNode","image":"/UI/Private/Images/History.jpg"}]}]}]'); var _savedSubtrees = null; this.savedSubtrees = new GLMDictionary(2); this.get_savedSubtrees = function() { return _savedSubtrees; }; this.set_savedSubtrees = function(subtree) { _savedSubtrees = subtree; }; var etc; var _entitytreecontrol = { // static methods and attributes // This data are pushed to the client from server on load (indicating the initial nodes to select) _control: null, _initialize: function() { }, _entityTreeCollapseAll: function(button, args) { handleEntityTreeCollapseAll(button, args); }, _entityTreeExpandAll: function(button, args) { handleEntityTreeExpandAll(button, args); }, _OnETCClientNodeClicking: function(sender, args) { }, _OnETCClientNodeExpanding: function(sender, args) { }, _keyRegister: [], _loadingID: "<%= EntityTreeLoading.ClientID %>", _treeName: "<%= entityTreeView.ClientID %>", _updatePanel: "<%= EntityTreeUpdatePanel.ClientID %>", _lastClick: null }; function get_tree() { return $find(_entitytreecontrol._treeName); } $(document).ready(function() { appendNodesToTree(json_nodes); }); function appendNodesToTree(json_msg) { this.savedSubtrees.clear(); // clears the dictionary of sub-trees this.addChildrenNodes(json_msg, this.get_tree().get_nodes(), [], this.get_tree()); this.get_tree().get_nodes()._array[0].select(); } function findExistingNode(nodesArray, jsonNode) { var i; if (nodesArray) { for (i = 0; i < nodesArray.length; i++) { var existingNode = nodesArray[i]; var attrib = existingNode.get_attributes(); var id = attrib.getAttribute('objID'); var pk = attrib.getAttribute('objPK'); if (id == jsonNode.ID && pk == jsonNode.PK) { return existingNode; } } } return null; } function findNodeDeep(node, jsonNode) { var i; if (node) { var nodes = node.get_nodes(); for (i = 0; i < nodes.get_count() ; i++) { var newNode = nodes.getNode(i); var attrib = newNode.get_attributes(); var id = attrib.getAttribute('objID'); var pk = attrib.getAttribute('objPK'); if (id == jsonNode.ID && pk == jsonNode.PK) { return newNode; } else { var deepNode = this.findNodeDeep(newNode, jsonNode); if (deepNode) { return deepNode; } } } } return null; } function addChildrenNodes(json_nodes, appendPoint, oldNodeCollection, parentNode) { var i; var ei; if (json_nodes) { var existingNode; for (i = 0; i < json_nodes.length; i++) { existingNode = oldNodeCollection !== null ? this.findExistingNode(oldNodeCollection, json_nodes[i]) : null; if (existingNode === null) { existingNode = this.savedSubtrees.get_entry(json_nodes[i].ID, json_nodes[i].PK); } else if (existingNode.get_nodes().get_count() > 0) { for (ei = 0; ei < existingNode.get_nodes().get_count() ; ei++) { var oldChildNode = existingNode.get_nodes().getNode(ei); var oldattrib = oldChildNode.get_attributes(); var oldid = oldattrib.getAttribute('objID'); var oldpk = oldattrib.getAttribute('objPK'); this.savedSubtrees.set_entry(oldid, oldpk, existingNode); } } var child = new Telerik.Web.UI.RadTreeNode(); child.set_text(json_nodes[i].name); child.set_value(json_nodes[i]); child.set_toolTip(json_nodes[i].tooltip); //child.set_imageUrl(json_nodes[i].image); child.set_cssClass(json_nodes[i].cssClass); var attrib = child.get_attributes(); attrib.setAttribute('objID', json_nodes[i].ID); attrib.setAttribute('objPK', json_nodes[i].PK); if (existingNode !== null) { child.set_selected(existingNode.get_selected()); child.set_expanded(existingNode.get_expanded()); child.set_enabled(existingNode.get_enabled()); if (child.get_expanded() && (!json_nodes[i].Nodes || json_nodes[i].Nodes.length === 0)) { glsuite.get_pageController().schedulePRB(this.processMenuRestoreViewRequest, this, 0, [child], null, null); } } this.addChildrenNodes(json_nodes[i].Nodes, child.get_nodes(), (existingNode !== null ? existingNode.get_nodes().toArray() : null), child); appendPoint.add(child); } } } function handleEntityTreeExpandAll(button, args) { var i; var treeView = this.get_tree(); var nodes = treeView.get_allNodes(); for (i = 0; i < nodes.length; i++) { if (nodes[i].get_nodes() !== null) { nodes[i].expand(); } } } function handleEntityTreeCollapseAll(button, args) { var i; var treeView = this.get_tree(); var nodes = treeView.get_allNodes(); for (i = 0; i < nodes.length; i++) { if (nodes[i].get_nodes() !== null) { nodes[i].collapse(); } } } //]]> </script> </telerik:RadScriptBlock> <table width="100%" style="overflow: scroll;"> <tr style="overflow: scroll;"> <td style="width: 15%; vertical-align: top;"> <table align="left" style="width: 100%;"> <tr align="center" style="width: 100px;"> <td style="vertical-align: top; text-align: left;"> <div> <br /> <div> <table> <tr> <td> <telerik:RadButton ID="showAllButton" runat="server" EnableEmbeddedBaseStylesheet="false" AutoPostBack="false" Text="Show All â–¶" OnClientClicked="_entitytreecontrol._entityTreeExpandAll"> </telerik:RadButton> </td> <td> <telerik:RadButton ID="hideAllButton" runat="server" AutoPostBack="false" Text="Hide All â–¶" OnClientClicked="_entitytreecontrol._entityTreeCollapseAll" CssClass="HideAllButton"> </telerik:RadButton> </td> </tr> </table> </div> <br /> <telerik:RadAjaxPanel ID="EntityTreeUpdatePanel" runat="server"> <telerik:RadTreeView ID="entityTreeView" runat="server" EnableAjaxSkinRendering="true" Height="500px" Width="300px" OnClientNodeClicking="_entitytreecontrol._OnETCClientNodeClicking" OnClientNodeExpanding="_entitytreecontrol._OnETCClientNodeExpanding" EnableEmbeddedScripts="true" EnableTheming="true" EnableViewState="false" ShowLineImages="false" TabIndex="1" SingleExpandPath="false" CausesValidation="false" Style="white-space: normal;" RegisterWithScriptManager="True" EnableAriaSupport="True"> </telerik:RadTreeView> </telerik:RadAjaxPanel> </div> </td> </tr> </table> </td> </tr> </table> </form></body></html>Replication steps:
1) Expand enough nodes to have a scrollbar.
2) Select a node.
3) Scroll until the selected node is not in view.
4) Expand or Collapse a node.
5) The screen will scroll until the selected node is in view. <- bad.
Please help me fix this.