protected void SetStateNode(RadTreeNode node)
{
if (node == null)
{
return;
}
if (!node.Enabled)
{
node.ImageUrl = ResourceProvider.GetImageUrl(typeof(EntityTreeView), "spacer.png", true);
node.Category = string.Empty;
node.Checkable = true;
node.Checked = false;
}
else if (string.IsNullOrEmpty(node.Category) && !node.Checked)
{
node.ImageUrl = ResourceProvider.GetImageUrl(typeof(EntityTreeView), "unchecked.png", true);
}
else if (string.IsNullOrEmpty(node.Category) && node.Checked)
{
node.ImageUrl = ResourceProvider.GetImageUrl(typeof(EntityTreeView), "checked.png", true);
}
else if (node.Category == "1")
{
node.ImageUrl = ResourceProvider.GetIconImageUrl("add.png", IconSize.Smaller, true);
node.CheckChildNodes();
}
else if (node.Category == "2")
{
node.ImageUrl = ResourceProvider.GetIconImageUrl("cancel.png", IconSize.Smaller, true);
DisableChildNodes(node);
}
node.Checkable = false;
}
protected void IconsList_ItemDataBound(object sender, DataListItemEventArgs e)
{
switch (e.Item.ItemType)
{
case ListItemType.Item:
case ListItemType.AlternatingItem:
Image img = e.Item.FindControl("Icon") as Image;
if (img != null)
{
string iconFileName = (string)e.Item.DataItem;
img.ImageUrl = ResourceProvider.GetIconImageUrl(iconFileName, this.IconSize, true);
img.ToolTip = iconFileName;
}
break;
}
}
/// <summary>
/// Raises the PreRender event and registers client scripts.
/// </summary>
/// <param name="e">An EventArgs that contains the event data.</param>
protected override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
radFormDecorator = new RadFormDecorator();
radFormDecorator.DecoratedControls = FormDecoratorDecoratedControls.CheckBoxes;
Controls.Add(radFormDecorator);
string script = @"
function EnableAllChildren(nodes)
{
var i;
for (i=0; i<nodes.get_count(); i++)
{
nodes.getNode(i).set_enabled(true);
nodes.getNode(i).set_checkable(true);
nodes.getNode(i).set_checked(false);
nodes.getNode(i).set_checkable(false);
nodes.getNode(i).set_imageUrl('" + ResourceProvider.GetImageUrl(typeof(EntityTreeView), "unchecked.png", true) + @"');
if (nodes.getNode(i).get_nodes().get_count()> 0)
{
EnableAllChildren(nodes.getNode(i).get_nodes());
}
}
}
function UpdateAllChildren(nodes, checked)
{
var i;
for (i=0; i<nodes.get_count(); i++)
{
nodes.getNode(i).set_category('');
if (checked)
{
nodes.getNode(i).set_enabled(true);
nodes.getNode(i).set_checkable(true);
nodes.getNode(i).set_checked(true);
nodes.getNode(i).set_checkable(false);
nodes.getNode(i).set_imageUrl('" + ResourceProvider.GetImageUrl(typeof(EntityTreeView), "checked.png", true) + @"');
}
else
{
nodes.getNode(i).set_imageUrl('" + ResourceProvider.GetImageUrl(typeof(EntityTreeView), "spacer.png", true) + @"');
nodes.getNode(i).set_checkable(true);
nodes.getNode(i).set_checked(false);
nodes.getNode(i).set_checkable(false);
nodes.getNode(i).set_enabled(false);
}
if (nodes.getNode(i).get_nodes().get_count()> 0)
{
UpdateAllChildren(nodes.getNode(i).get_nodes(), checked);
}
}
}
function onClientNodeClicked(sender, eventArgs)
{
var tree = $find('" + this.ClientID + @"');
tree.trackChanges();
var node = eventArgs.get_node();
var childNodes = eventArgs.get_node().get_nodes();
if (node.get_enabled())
{
if ((node.get_category() == '' || node.get_category() == null) && !node.get_checked())
{
node.set_checkable(true);
node.set_checked(true);
node.set_checkable(false);
node.set_category('');
node.set_imageUrl('" + ResourceProvider.GetImageUrl(typeof(EntityTreeView), "checked.png", true) + @"');
}
else if ((node.get_category() == '' || node.get_category() == null) && node.get_checked())
{
node.set_imageUrl('" + ResourceProvider.GetIconImageUrl("add.png", IconSize.Smaller, true) + @"');
node.set_category('1');
node.set_checkable(true);
node.set_checked(true);
node.set_checkable(false);
UpdateAllChildren(childNodes, true);
}
else if (node.get_category() == '1')
{
node.set_checkable(true);
node.set_checked(true);
node.set_checkable(false);
UpdateAllChildren(childNodes, false);
node.set_category('2');
node.set_imageUrl('" + ResourceProvider.GetIconImageUrl("cancel.png", IconSize.Smaller, true) + @"');
}
else if (node.get_category() == '2')
{
node.set_checkable(true);
node.set_checked(false);
node.set_checkable(false);
node.set_category('');
node.set_imageUrl('" + ResourceProvider.GetImageUrl(typeof(EntityTreeView), "unchecked.png", true) + @"');
EnableAllChildren(childNodes);
}
}
tree.commitChanges();
}";
ScriptManager.RegisterClientScriptBlock(Page, this.GetType(), "EntityTreeView_onClientNodeClicked", script, true);
}
