TreeView (forjavascript)

Functionpublic_GetParentByTagName (element, tagName) {varparentelement. parentNode; varupperTagNametagName. toUpperCase (); // if this element is not the expected tag, continue to the while (parent...

 

Function public_GetParentByTagName (element, tagName)

{

Var parent = element. parentNode;

Var upperTagName = tagName. toUpperCase ();

// If this element is not the desired tag, continue to trace

While (parent & (parent. tagName. toUpperCase ()! = UpperTagName ))

{

Parent = parent. parentNode? Parent. parentNode: parent. parentElement;

}

Return parent;

}

 

// Set the node's parent node Cheched -- this node is accessible, and its parent node must also be accessible.

Function setParentChecked (objNode)

{

Var objParentDiv = public_GetParentByTagName (objNode, "div ");

If (objParentDiv = null | objParentDiv = "undefined ")

{

Return;

}

Var objID = objParentDiv. getAttribute ("ID ");

ObjID = objID. substring (0, objID. indexOf ("Nodes "));

ObjID = objID + "CheckBox ";

Var objParentCheckBox = document. getElementById (objID );

If (objParentCheckBox = null | objParentCheckBox = "undefined ")

{

Return;

}

If (objParentCheckBox. tagName! = "INPUT" & objParentCheckBox. type = "checkbox ")

Return;

ObjParentCheckBox. checked = true;

SetParentChecked (objParentCheckBox );

}

 

// Set the node's subnode uncheched -- this node is not accessible, and its subnodes are not accessible.

Function setChildUnChecked (divID)

{

Var objchild = divID. children;

Var count = objchild. length;

For (var I = 0; I

{

Var tempObj = objchild [I];

If (tempObj. tagName = "INPUT" & tempObj. type = "checkbox ")

{

TempObj. checked = false;

}

SetChildUnChecked (tempObj );

}

}

 

// Set the node's subnode cheched -- this node can be accessed, and its subnodes can also be accessed.

Function setChildChecked (divID)

{

Var objchild = divID. children;

Var count = objchild. length;

For (var I = 0; I

{

Var tempObj = objchild [I];

If (tempObj. tagName = "INPUT" & tempObj. type = "checkbox ")

{

TempObj. checked = true;

}

SetChildChecked (tempObj );

}

}

 

// Trigger the event

Function CheckEvent ()

{

 

Var objNode = event. srcElement;

 

If (objNode. tagName! = "INPUT" | objNode. type! = "Checkbox ")

Return;

 

If (objNode. checked = true)

{

SetParentChecked (objNode );

Var objID = objNode. getAttribute ("ID ");

Var objID = objID. substring (0, objID. indexOf ("CheckBox "));

Var objParentDiv = document. getElementById (objID + "Nodes ");

If (objParentDiv = null | objParentDiv = "undefined ")

{

Return;

}

SetChildChecked (objParentDiv );

}

Else

{

Var objID = objNode. getAttribute ("ID ");

Var objID = objID. substring (0, objID. indexOf ("CheckBox "));

Var objParentDiv = document. getElementById (objID + "Nodes ");

If (objParentDiv = null | objParentDiv = "undefined ")

{

Return;

}

SetChildUnChecked (objParentDiv );

}

}

 

Server Control

This. tvPrivilege. Attributes. Add ("OnClick", "CheckEvent ()");

From happy pig's column