public SelectorTreeNodeCollectionEnumerator(StylesheetTreeNodeCollection owner)
{
if (owner.nodes != null)
{
this.ownerEnumerator = owner.nodes.GetEnumerator();
}
else
{
this.ownerEnumerator = null;
}
}
public StylesheetTreeNode(StylesheetTree ownerTree, IElementSelector selector)
{
this.ownerTree = ownerTree;
this.selector = selector;
this.nodes = new StylesheetTreeNodeCollection(this);
int selectorKey = 0;
//Generally RootNode registers with
if (selector != null)
{
selectorKey = selector.Key;
}
ownerTree.RegisterNodeWithKey(selectorKey, this);
}
public void DetachElements()
{
if (this.mappedElements != null)
{
if (this.propertySettingGroups != null)
{
foreach (NodeElementEntry elementEntry in this.mappedElements.Values)
{
this.ManagePropetyChangeSubscription(elementEntry, false);
for (int i = 0; i < this.propertySettingGroups.Count; i++)
{
foreach (IPropertySetting setting in this.propertySettingGroups[i].PropertySettings.EnumeratePropertySettingsForElement(elementEntry.Element))
{
setting.UnapplyValue(elementEntry.Element);
if (setting is AnimatedPropertySetting)
{
elementEntry.Element.ResetValue(setting.Property, ValueResetFlags.Style);
}
}
}
}
this.propertySettingGroups.Clear();
this.propertySettingGroups = null;
}
this.mappedElements.Clear();
this.mappedElements = null;
}
if (this.nodes != null)
{
foreach (StylesheetTreeNode node in this.nodes)
{
node.DetachElements();
}
this.nodes.Clear();
this.nodes = null;
}
this.ownerTree = null;
}
private StylesheetTreeNode AddNodeRecursive(PropertySettingGroup propertySettings, IElementSelector selector, StylesheetTreeNodeCollection parentNodeCollection)
{
if (selector.Key == 0)
{
return(null);
}
StylesheetTreeNode node = parentNodeCollection.FindSelectorNode(selector.Key);
if (node == null)
{
node = new StylesheetTreeNode(this.ownerNode.OwnerTree, selector);
parentNodeCollection.RegisterSelectorNode(node);
}
if (selector.ChildSelector != null)
{
this.AddNodeRecursive(propertySettings, selector.ChildSelector, node.Nodes);
}
else
{
node.PropertySettingGroups.Add(propertySettings);
}
return(node);
}
