/// <summary>
///
/// </summary>
/// <author>
/// Created by Iulian Iuga; 28 December, 2002
/// </author>
internal ElementsCollection( TreeElement proprietor )
{
if( proprietor == null )
throw new ArgumentNullException();
_proprietor = proprietor;
}
/// <summary>
///
/// </summary>
/// <param name="tabs">IList - can be a Array or ArrayList</param>
/// <param name="parent"></param>
private void InternalBuildTree(ArrayList tabs, TreeElement parent)
{
foreach(PortalDefinition.Tab t in tabs)
{
int n = parent.Elements.Add(t.title);
parent.Elements[n].Key = t.reference;
parent.Elements[n].Text = "<a class=\"LinkButton\" href=" +
Page.GetPostBackClientHyperlink(this, t.reference) +
">" + t.title + "</a>";
if(t.tabs != null && t.tabs.Count != 0)
{
InternalBuildTree(t.tabs, parent.Elements[n]);
parent.Elements[n].Expand();
}
else
{
parent.Elements[n].ImageIndex = 0;
}
}
}
/// <summary>
///
/// </summary>
/// <param name="index"></param>
/// <param name="element"></param>
/// <returns></returns>
/// <author>
/// Created by Iulian Iuga; 28 December, 2002
/// </author>
public int AddAt(int index, TreeElement element)
{
if (_members == null)
{
_members = new ArrayList();
}
int elementIndex = index;
if (index == -1)
{
elementIndex = _members.Add(element);
}
else
{
_members.Insert(index, element);
}
// configure the new added element
ConfigureNewElement(element);
return(elementIndex);
}
/// <summary>
/// Finds a specified child element of current tree element.
///
/// Note: The search algorithm can be optimized.
/// </summary>
/// <param name="ID">The searched element id.</param>
/// <returns>The child element coresponding to the ID parameter value.</returns>
/// <author>
/// Created by Iulian Iuga; 04 January, 2003
/// </author>
public TreeElement FindElement(string ID)
{
// TODO: optimize the search algorithm.
foreach (TreeElement element in Elements)
{
if (element.ID == ID)
{
return(element);
}
}
foreach (TreeElement element in Elements)
{
TreeElement _found = element.FindElement(ID);
if (_found != null)
{
return(_found);
}
}
return(null);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
/// <author>
/// Created by Iulian Iuga; 11 January, 2003
/// </author>
object IStateManager.SaveViewState()
{
if (Count == 0)
{
return(null);
}
object[] membersState = new object[Count];
int index = 0;
foreach (TreeElement _element in this)
{
membersState[index] = new object[3] {
((IStateManager)_element).SaveViewState(),
_element.ElementType,
index++
}
}
;
return(membersState);
}
/// <summary>
///
/// </summary>
/// <author>
/// Created by Iulian Iuga; 11 January, 2003
/// </author>
void IStateManager.LoadViewState(object state)
{
if (state != null)
{
object[] membersState = (object[])state;
for (int index = 0; index < membersState.Length; index++)
{
object[] stateElement = (object[])membersState[index];
if (stateElement[0] != null)
{
if ((byte)stateElement[1] == (byte)_ElementType._designTimeElement)
{
((IStateManager)this[index]).LoadViewState(stateElement[0]);
}
else if ((byte)stateElement[1] == (byte)_ElementType._runTimeElement)
{
TreeElement _element = new TreeElement();
int _elementIndex = AddAt((int)stateElement[2], _element);
((IStateManager)this[_elementIndex]).TrackViewState();
((IStateManager)this[_elementIndex]).LoadViewState(stateElement[0]);
}
}
}
}
}
/// <summary>
///
/// </summary>
/// <author>
/// Created by Iulian Iuga; 11 January, 2003
/// </author>
void IStateManager.TrackViewState()
{
_marked = true;
foreach (TreeElement _element in this)
{
((IStateManager)_element).TrackViewState();
}
}
/// <summary>
///
/// </summary>
/// <author>
/// Created by Iulian Iuga; 11 January, 2003
/// </author>
bool IStateManager.IsTrackingViewState
{
get {
return(_marked);
}
}
/// <summary>
///
/// </summary>
/// <param name="index"></param>
/// <param name="text"></param>
/// <returns></returns>
/// <author>
/// Created by Iulian Iuga; 28 December, 2002
/// </author>
public int AddAt(int index, string text)
{
TreeElement _element = new TreeElement(text);
return(AddAt(index, _element));
}
/// <summary>
///
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
/// <author>
/// Created by Iulian Iuga; 28 December, 2002
/// </author>
public int Add(TreeElement element)
{
// add the element at the end of the elements list
return(AddAt(-1, element));
}
/// <summary>
///
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
/// <author>
/// Created by Iulian Iuga; 28 December, 2002
/// </author>
public int Add( TreeElement element )
{
// add the element at the end of the elements list
return AddAt( -1, element );
}
/// <summary>
/// Internaly sets the node parent.
/// </summary>
/// <param name="parent"></param>
/// <author>
/// Created by Iulian Iuga; 01 January, 2003
/// </author>
internal void SetParent( TreeElement parent )
{
_parent = parent;
}
/// <summary>
///
/// </summary>
/// <param name="element"></param>
/// <author>
/// Created by Iulian Iuga; 28 December, 2002
/// </author>
public void Remove( TreeElement element )
{
if(_members == null) return;
_members.Remove(element);
}
/// <summary>
///
/// </summary>
/// <author>
/// Created by Iulian Iuga; 11 January, 2003
/// </author>
void IStateManager.LoadViewState( object state )
{
if( state != null )
{
object[] membersState = (object[])state;
for( int index = 0; index < membersState.Length; index++ )
{
object[] stateElement = (object[])membersState[index];
if( stateElement[0] != null )
{
if( (byte)stateElement[1] == (byte)_ElementType._designTimeElement )
{
((IStateManager)this[index]).LoadViewState( stateElement[0] );
}
else if( (byte)stateElement[1] == (byte)_ElementType._runTimeElement )
{
TreeElement _element = new TreeElement();
int _elementIndex = AddAt( (int)stateElement[2], _element );
((IStateManager)this[_elementIndex]).TrackViewState();
((IStateManager)this[_elementIndex]).LoadViewState( stateElement[0] );
}
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
/// <author>
/// Created by Iulian Iuga; 01 January, 2003
/// </author>
public int IndexOf( TreeElement element )
{
if( element != null && _members != null )
return _members.IndexOf( element, 0, Count );
return -1;
}
/// <summary>
///
/// </summary>
/// <param name="index"></param>
/// <param name="text"></param>
/// <returns></returns>
/// <author>
/// Created by Iulian Iuga; 28 December, 2002
/// </author>
public int AddAt( int index, string text )
{
TreeElement _element = new TreeElement( text );
return AddAt( index, _element );
}
/// <summary>
///
/// </summary>
/// <param name="index"></param>
/// <param name="element"></param>
/// <returns></returns>
/// <author>
/// Created by Iulian Iuga; 28 December, 2002
/// </author>
public int AddAt( int index, TreeElement element )
{
if( _members == null )
_members = new ArrayList();
int elementIndex = index;
if( index == -1 )
elementIndex = _members.Add( element );
else
_members.Insert( index, element );
// configure the new added element
ConfigureNewElement( element );
return elementIndex;
}
/// <summary>
///
/// </summary>
/// <param name="writer"></param>
/// <param name="element"></param>
/// <author>
/// Created by Iulian Iuga; 04 January, 2003
/// </author>
public void RenderElement( HtmlTextWriter writer, TreeElement element )
{
_element = element;
Render( writer );
}
/// <summary>
///
/// </summary>
/// <param name="writer"></param>
/// <param name="element"></param>
/// <author>
/// Created by Iulian Iuga; 04 January, 2003
/// </author>
public void RenderElement(HtmlTextWriter writer, TreeElement element)
{
_element = element;
Render(writer);
}
/// <summary>
/// Configure internaly the required properties for a new tree element.
/// </summary>
/// <param name="element"></param>
/// <author>
/// Created by Iulian Iuga; 01 January, 2003
/// </author>
private void ConfigureNewElement( TreeElement element )
{
element.SetParent( _proprietor );
element.SetTreeWeb( _proprietor.TreeWeb );
element.SetLevel( _proprietor.Level + 1 );
element.ElementType = _ElementType._runTimeElement;
// configure element children too
foreach( TreeElement _element in element.Elements )
ConfigureNewElement( _element );
}
/// <summary>
/// Internaly sets the node parent.
/// </summary>
/// <param name="parent"></param>
/// <author>
/// Created by Iulian Iuga; 01 January, 2003
/// </author>
internal void SetParent(TreeElement parent)
{
_parent = parent;
}
/// <summary>
///
/// </summary>
/// <param name="element"></param>
/// <author>
/// Created by Iulian Iuga; 18 January, 2003
/// </author>
private void ConfigureParsedElements( TreeElement element )
{
foreach( TreeElement _element in element.Elements )
{
_element.SetParent( element );
_element.SetTreeWeb( this );
_element.SetLevel( element.Level + 1 );
_element.ElementType = _ElementType._designTimeElement;
ConfigureParsedElements( _element );
}
}
/// <summary>
///
/// </summary>
/// <param name="element"></param>
/// <author>
/// Created by Iulian Iuga; 23 February, 2003
/// </author>
public TreeWebEventArgs(TreeElement element)
{
this._element = element;
}
/// <summary>
///
/// </summary>
/// <param name="element"></param>
/// <author>
/// Created by Iulian Iuga; 23 February, 2003
/// </author>
public TreeWebEventArgs( TreeElement element )
{
this._element = element;
}