private TreeNode CreateNode(object element, TreeNodeCollection nodes)
{
TreeNode node = null;
IElementALiensReseau eltALien = element as IElementALiensReseau;
if (eltALien != null)
{
node = new TreeNode(eltALien.Libelle);
node.Tag = eltALien;
}
IEtapeLienReseau etape = element as IEtapeLienReseau;
if (etape != null)
{
if (node == null)
{
node = new TreeNode(etape.Libelle);
node.Tag = etape;
node.BackColor = Color.LightCyan;
}
}
if (node == null)
{
return(null);
}
nodes.Add(node);
if (etape != null)
{
TreeNode dummy = new TreeNode("");
dummy.Tag = null;
node.Nodes.Add(dummy);
}
return(node);
}
//----------------------------------------------
private void m_btnOk_Click(object sender, EventArgs e)
{
if (m_arbre.SelectedNode.Tag == null)
{
return;
}
m_elementSelectionne = m_arbre.SelectedNode.Tag as IElementALiensReseau;
TreeNode parent = m_arbre.SelectedNode.Parent;
List <IEtapeLienReseau> lstEtapes = new List <IEtapeLienReseau>();
while (parent != null)
{
IEtapeLienReseau etape = parent.Tag as IEtapeLienReseau;
if (etape != null)
{
lstEtapes.Insert(0, etape);
}
parent = parent.Parent;
}
m_etapes = lstEtapes.ToArray();
if (m_elementSelectionne != null)
{
DialogResult = DialogResult.OK;
Close();
}
}
private void m_arbre_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
TreeNode node = e.Node;
if (node.Nodes.Count == 1 && node.Nodes[0].Tag == null)
{
node.Nodes.Clear();
IEtapeLienReseau etape = node.Tag as IEtapeLienReseau;
if (etape != null)
{
//Trie les éléments par type
Dictionary <Type, ArrayList> dicParType = new Dictionary <Type, ArrayList>();
foreach (IElementALiensReseau elt in etape.ElementsALiensContenus)
{
ArrayList lst = null;
if (!dicParType.TryGetValue(elt.GetType(), out lst))
{
lst = new ArrayList();
dicParType[elt.GetType()] = lst;
}
if (!lst.Contains(elt))
{
lst.Add(elt);
}
}
foreach (IEtapeLienReseau etapeFille in etape.EtapesContenues)
{
ArrayList lst = null;
if (!dicParType.TryGetValue(etapeFille.GetType(), out lst))
{
lst = new ArrayList();
dicParType[etapeFille.GetType()] = lst;
}
if (!lst.Contains(etapeFille))
{
lst.Add(etapeFille);
}
}
foreach (KeyValuePair <Type, ArrayList> paire in dicParType)
{
TreeNode nodeType = new TreeNode(DynamicClassAttribute.GetNomConvivial(paire.Key));
nodeType.Tag = paire.Key;
foreach (object element in paire.Value)
{
CreateNode(element, nodeType.Nodes);
}
nodeType.BackColor = Color.LightYellow;
node.Nodes.Add(nodeType);
}
}
}
}
/// <summary>
/// Sélectionne une extremité pour l'objet de schéma demandé.
/// </summary>
/// <param name="objetDeSchema"></param>
/// <returns></returns>
public static IElementALiensReseau SelectExtremite(IElementDeSchemaReseau eltDeSchema, ref IEtapeLienReseau[] etapes)
{
if (eltDeSchema == null)
{
return(null);
}
IEtapeLienReseau etape = eltDeSchema as IEtapeLienReseau;
IElementALiensReseau eltALien = eltDeSchema as IElementALiensReseau;
if (etape == null)
{
return(eltALien);
}
IElementALiensReseau[] elementsPossibles = etape.ElementsALiensContenus;
IEtapeLienReseau[] etapesPossibles = etape.EtapesContenues;
if (elementsPossibles.Length == 0 && etapesPossibles.Length == 0)
{
return(eltALien);
}
if (eltALien == null && elementsPossibles.Length == 1 && etapesPossibles.Length == 0)
{
etapes = new IEtapeLienReseau[] { etape };
return(elementsPossibles[0]);
}
CFormSelectExtremiteDeElementDeSchema form = new CFormSelectExtremiteDeElementDeSchema();
form.m_elementDeSchemaRacine = eltDeSchema;
eltALien = null;
form.Location = Cursor.Position;
if (form.ShowDialog() == DialogResult.OK)
{
eltALien = form.m_elementSelectionne;
etapes = form.m_etapes;
}
form.Dispose();
return(eltALien);
}
