/// <summary>
/// Add an image to the ImagesCollection.
/// </summary>
/// <param name="elementImage"></param>
/// <author>
/// Created by Iulian Iuga; 26 January, 2003
/// </author>
public void Add(ElementImage elementImage)
{
if (_members == null)
{
_members = new ArrayList();
}
_members.Add(elementImage);
}
/// <summary>
/// (IStateManager.LoadViewState)
/// Loads the ImagesCollection's previously saved view state.
/// </summary>
/// <author>
/// Created by Iulian Iuga; 26 January, 2003
/// </author>
void IStateManager.LoadViewState(object state)
{
if (state != null)
{
object[] membersState = (object[])state;
for (int index = 0; index < membersState.Length; index++)
{
ElementImage _elementImage = new ElementImage();
Add(_elementImage);
((IStateManager)_elementImage).TrackViewState();
((IStateManager)_elementImage).LoadViewState(membersState[index]);
}
}
}
/// <summary>
/// (IStateManager.LoadViewState)
/// Loads the ImagesCollection's previously saved view state.
/// </summary>
/// <author>
/// Created by Iulian Iuga; 26 January, 2003
/// </author>
void IStateManager.LoadViewState( object state )
{
if( state != null )
{
object[] membersState = (object[])state;
for( int index = 0; index < membersState.Length; index++ )
{
ElementImage _elementImage = new ElementImage();
Add( _elementImage );
((IStateManager)_elementImage).TrackViewState();
((IStateManager)_elementImage).LoadViewState( membersState[index] );
}
}
}
/// <summary>
///
/// </summary>
/// <param name="writer"></param>
/// <author>
/// Created by Iulian Iuga; 30 December, 2002
/// </author>
protected void RenderContents(HtmlTextWriter writer)
{
TableRow _tr = new TableRow();
TableCell _td = new TableCell();
_tr.RenderBeginTag(writer);
// apply CssClass for current element
if (_element.TreeWeb.DefaultElementCssClass.Length > 0)
{
_td.CssClass = _element.TreeWeb.DefaultElementCssClass;
}
if (_element.CssClass.Length > 0)
{
_td.CssClass = _element.CssClass;
}
//_td.Style.Add( "display", "none" );
_td.Attributes.Add("nowrap", "yes");
_td.RenderBeginTag(writer);
// render a at the begining of each element
writer.Write(" ");
// render element indentation based on element level
string _indentation = "";
int nIndentationPerStep = _element.TreeWeb.Indentation;
for (int index = 0; index < (_element.Level * nIndentationPerStep); index++)
{
_indentation += _indentationStep;
}
writer.Write(_indentation);
// render the expand/collapse link if the element has child elements and is expandable.
if (_element.HasElements)
{
HyperLink _link = new HyperLink();
Image _image = new Image();
if (_element.TreeWeb.Expandable && _element.Expandable)
{
if (_element.IsExpanded)
{
_link.Text = _expcol[1];
if (_element.TreeWeb.ExpandedElementImage.Length > 0)
{
_image.ImageUrl = _element.TreeWeb.ExpandedElementImage;
}
}
else
{
_link.Text = _expcol[0];
if (_element.TreeWeb.CollapsedElementImage.Length > 0)
{
_image.ImageUrl = _element.TreeWeb.CollapsedElementImage;
}
}
}
string scriptCode = "javascript:";
scriptCode += _element.TreeWeb.Page.GetPostBackEventReference(_element.TreeWeb, _element.ID);
_link.NavigateUrl = scriptCode;
if (_image.ImageUrl.Length > 0)
{
_link.RenderBeginTag(writer);
_image.RenderControl(writer);
_link.RenderEndTag(writer);
}
else
{
_link.RenderControl(writer);
}
_image = null;
_link = null;
writer.Write(" ");
}
// render checkbox
if (_element.TreeWeb.CheckBoxes || _element.CheckBox)
{
CheckBox _checkbox = new CheckBox();
_checkbox.ID = _element.ID + TreeElement._separator + TreeElement._checkboxIDSufix;
_checkbox.RenderControl(writer);
_checkbox = null;
// write a non-breaking space before the element text
writer.Write(" ");
}
// render element's image if it has one
if (_element.ImageIndex > -1)
{
ElementImage _elementImage = _element.TreeWeb.ImageList[_element.ImageIndex];
if (_elementImage != null)
{
Image _image = new Image();
_image.ImageUrl = _elementImage.ImageUrl;
_image.RenderControl(writer);
_image = null;
// write a non-breaking space before the element text
writer.Write(" ");
}
}
// render element text as a link if NavigateUrl is present or otherwise as normal text
if (_element.NavigateUrl.Length > 0)
{
HyperLink _linkNavigateUrl = new HyperLink();
_linkNavigateUrl.Text = _element.Text;
_linkNavigateUrl.NavigateUrl = _element.NavigateUrl;
if (_element.TreeWeb.Target.Length > 0)
{
_linkNavigateUrl.Target = _element.TreeWeb.Target;
}
if (_element.Target.Length > 0)
{
_linkNavigateUrl.Target = _element.Target;
}
if (_element.ToolTip.Length > 0)
{
_linkNavigateUrl.ToolTip = _element.ToolTip;
}
_linkNavigateUrl.RenderControl(writer);
_linkNavigateUrl = null;
}
else
{
Label _label = new Label();
_label.Text = _element.Text;
if (_element.ToolTip.Length > 0)
{
_label.ToolTip = _element.ToolTip;
}
_label.RenderControl(writer);
_label = null;
}
_td.RenderEndTag(writer);
_tr.RenderEndTag(writer);
}
/// <summary>
/// Add an image to the ImagesCollection.
/// </summary>
/// <param name="elementImage"></param>
/// <author>
/// Created by Iulian Iuga; 26 January, 2003
/// </author>
public void Add( ElementImage elementImage )
{
if ( _members == null )
_members = new ArrayList();
_members.Add( elementImage );
}