//----------------------------------------------------
/// <summary>
/// Crée l'image d'un item
/// </summary>
/// <param name="item"></param>
/// <param name="bGereItemEnCours">si true, en sortie, le contrôle
/// aura repris l'aspect qu'il avait avant</param>
/// <returns></returns>
public Image CreateImage(CCustomizableListItem item, bool bGereItemEnCours)
{
CCustomizableListItem old = m_currentItem;
IsCreatingImage = true;
if (item != m_currentItem || AspectDifferentEnInactif)
{
OnStartCreateImage();
if (bGereItemEnCours)
{
MajChamps();
}
InitChamps(item);
}
Image img = CreateCurrentItemImage();
IsCreatingImage = false;
if (item != m_currentItem)
{
if (bGereItemEnCours)
{
InitChamps(old);
}
}
return(img);
}
//-------------------------------------------
private void AddToDicImages(CCustomizableListItem item, CCacheImage cache)
{
m_dicItemToImage[item] = cache;
if (m_dicItemToImage.Count > m_nMaxImagesInCache)
{
//Supprime l'image la plus vieille
DateTime?dt = null;
KeyValuePair <CCustomizableListItem, CCacheImage>?toDelete = null;
foreach (KeyValuePair <CCustomizableListItem, CCacheImage> kv in m_dicItemToImage)
{
if (dt == null || kv.Value.LastAcces < dt.Value)
{
toDelete = kv;
dt = kv.Value.LastAcces;
}
}
if (toDelete != null)
{
if (toDelete.Value.Value.Image != null)
{
toDelete.Value.Value.Image.Dispose();
}
m_dicItemToImage.Remove(toDelete.Value.Key);
}
}
}
//-------------------------------------------
public void AddItem(CCustomizableListItem item, bool bRedraw)
{
m_listeItems.Add(item);
item.Index = m_listeItems.Count - 1;
if (bRedraw)
{
Refresh();
}
}
//-------------------------------------------
public void InsertItem(int nIndex, CCustomizableListItem item, bool bRedraw)
{
m_listeItems.Insert(nIndex, item);
RenumerotteItems();
if (bRedraw)
{
Refresh();
}
}
//----------------------------------------------------
/// <summary>
/// Permet de calculer la hauteur d'un ITEM.
/// Par défaut retourne la hauteur du contrôle
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public virtual int GetItemHeight(CCustomizableListItem item)
{
if (item.IsMasque)
{
return(0);
}
if (IsFixedSize || item.Height == null)
{
return(Height);
}
return(item.Height.Value);
}
//-------------------------------------------
/// <summary>
/// Retourne le précédent visible d'un index
/// </summary>
/// <param name="nIndex"></param>
/// <returns></returns>
public CCustomizableListItem GetVisibleItemBefore(int nIndex)
{
nIndex--;
if (nIndex >= 0)
{
CCustomizableListItem item = m_listeItems[nIndex];
if (item.IsMasque)
{
return(GetVisibleItemBefore(nIndex));
}
return(item);
}
return(null);
}
//-------------------------------------------
/// <summary>
/// Retourne le suivant visible d'un index
/// </summary>
/// <param name="nIndex"></param>
/// <returns></returns>
public CCustomizableListItem GetVisibleItemAfter(int nIndex)
{
nIndex++;
if (nIndex < m_listeItems.Count)
{
CCustomizableListItem item = m_listeItems[nIndex];
if (item.IsMasque)
{
return(GetVisibleItemAfter(nIndex));
}
return(item);
}
return(null);
}
//-------------------------------------------
public void RefreshItem(CCustomizableListItem item)
{
if (item != null)
{
lock (typeof(CLockerImages))
{
CCacheImage cache = null;
if (m_dicItemToImage.TryGetValue(item, out cache))
{
if (cache.Image != null)
{
cache.Image.Dispose();
}
m_dicItemToImage.Remove(item);
}
}
}
}
protected virtual void MoveItem(int nIndexSource, int nIndexDest, bool bCursorIsAvant)
{
CCustomizableListItem item = m_listeItems[nIndexSource];
if (nIndexDest > nIndexSource)
{
m_listeItems.Insert(nIndexDest, item);
m_listeItems.RemoveAt(nIndexSource);
CurrentItemIndex = nIndexDest - 1;
}
else
{
m_listeItems.RemoveAt(nIndexSource);
m_listeItems.Insert(nIndexDest, item);
CurrentItemIndex = nIndexDest;
}
RenumerotteItems();
}
//----------------------------------------------------
public CResultAErreur InitChamps(CCustomizableListItem item)
{
m_currentItem = item;
CResultAErreur result = MyInitChamps(item);
if (result)
{
HasChange = false;
}
if (item != null && item.DonneesControles != null)
{
CUtilDonneesSpecifiquesDansCustomList.RestoreDonneesControle(this, item.DonneesControles);
}
if (item != null)
{
item.Height = item.IsMasque?0:Height;
}
return(result);
}
//-------------------------------------------
public int GetItemTop(int nItem)
{
if (m_controle == null)
{
return(0);
}
if (m_controle.IsFixedSize)
{
return(nItem * m_controle.Height);
}
int nPos = 0;
for (int nItemTest = 0; nItemTest < nItem; nItemTest++)
{
CCustomizableListItem item = m_listeItems[nItemTest];
nPos += m_controle.GetItemHeight(item);
}
return(nPos);
}
public virtual void OnStartCreateImage()
{
if (m_bAToutSauvéAvantDeFaireDesImages)
{
return;
}
m_bAToutSauvéAvantDeFaireDesImages = true;
m_itemBeforePaint = CurrentItem;
if (Bottom > 0)
{
if (CurrentItem != null)
{
MajChamps();
}
m_listActives = CUtilControl.GetActiveControls(this);
m_ptLocationBeforePaint = Location;
Location = new Point(0, -Height * 100);
ActiveControl = null;
}
}
//-------------------------------------------
public Image GetImage(CCustomizableListItem item, bool bKeepItemEnCours)
{
if (item == null)
{
return(null);
}
lock (typeof(CLockerImages))
{
CCacheImage cache = null;
if (m_dicItemToImage.TryGetValue(item, out cache))
{
if (cache.Image.Size == new Size(m_controle.Size.Width, item.Height != null?item.Height.Value : m_controle.Height))
{
cache.LastAcces = DateTime.Now;
return(cache.Image);
}
else
{
cache = null;
}
}
if (cache == null)
{
cache = new CCacheImage();
if (m_controle != null)
{
bool bOldEnEdition = m_bControlEnEdition;
m_bControlEnEdition = false;
cache.Image = m_controle.CreateImage(item, bKeepItemEnCours);
m_bControlEnEdition = bOldEnEdition;
if (cache.Image != null)
{
AddToDicImages(item, cache);
return(cache.Image);
}
}
}
}
return(null);
}
//-------------------------------------------
public int?GetItemIndexAtPosition(int nY)
{
int nPos = 0;
if (m_controle == null)
{
return(null);
}
//contrôle à taille fixe->fastoche
if (m_controle.IsFixedSize)
{
return(nY / m_controle.Height);
}
//Sinon, on est obligé de calculer la taille de tous les précédents !
int?nLastNotHeightZero = null;
for (int nIndex = 0; nIndex < m_listeItems.Count(); nIndex++)
{
CCustomizableListItem item = m_listeItems[nIndex];
int nHeight = m_controle.GetItemHeight(item);
if (nHeight > 0)
{
nLastNotHeightZero = nIndex;
}
if (nPos <= nY && nPos + nHeight > nY)
{
if (nLastNotHeightZero != null)
{
return(nLastNotHeightZero.Value);
}
return(nIndex);
}
nPos += nHeight;
}
return(null);
}
//-------------------------------------------
public void RemoveItem(CCustomizableListItem item, bool bRedraw)
{
if (item != null)
{
RemoveItem(item.Index, bRedraw);
}
/*int nItem = item.Index;
* if (CurrentItemIndex != null && CurrentItemIndex == nItem)
* {
* m_controle.CancelEdit();
* if (nItem < m_listeItems.Count - 1)
* CurrentItemIndex = nItem + 1;
* else if (nItem > 0)
* CurrentItemIndex = nItem - 1;
* else
* CurrentItemIndex = -1;
* }
* }
* m_listeItems.Remove(item);
* RenumerotteItems();
* if (bRedraw)
* Refresh(); */
}
//-------------------------------------------------------
private int?GetItemIndex(CCustomizableListItem item)
{
int nIndex = m_listeItems.IndexOf(item);
return(nIndex >= 0 ? (int?)nIndex : null);
}
//----------------------------------------------------
public void CancelEdit()
{
m_currentItem = null;
}
private void m_PanelDessin_Paint(object sender, PaintEventArgs e)
{
if (m_bIsDrawing)
{
return;
}
try
{
if (Items.Count() == 0 && ItemControl != null)
{
ItemControl.Visible = false;
}
if (Items.Count() > 0 && ItemControl != null)
{
ItemControl.Visible = true;
}
m_bIsDrawing = true;
if (!m_bMouseWheelHandled)
{
Form frm = FindForm();
if (frm != null)
{
frm.MouseWheel += new MouseEventHandler(frm_MouseWheel);
m_bMouseWheelHandled = true;
}
}
if (m_controle != null)
{
m_controle.PreparePaintList();
RecalcScrollSizes();
int?nCurrent = CurrentItemIndex;
int?nItem = GetItemIndexAtPosition(-m_panelDessin.AutoScrollPosition.Y);
if (nItem == null)
{
return;
}
int nY = GetItemTop(nItem.Value) + m_panelDessin.AutoScrollPosition.Y;
while (nY < ClientSize.Height && nItem < m_listeItems.Count)
{
CCustomizableListItem item = m_listeItems[nItem.Value];
if (!item.IsMasque)
{
Image img = GetImage(item, false);
if (item.Height > 0)
{
Rectangle rct = new Rectangle(-5, nY, m_panelDessin.ClientSize.Width + 10, item.Height.Value);
Brush br = new SolidBrush(BackColor);
e.Graphics.FillRectangle(br, rct);
br.Dispose();
if (img != null)
{
e.Graphics.DrawImageUnscaled(img,
new Point(m_panelDessin.AutoScrollPosition.X, nY));
}
if (nCurrent == nItem)
{
Pen p = new Pen(m_controle.BackColor);
e.Graphics.DrawRectangle(p, m_panelDessin.AutoScrollPosition.X, nY, m_controle.Width - 1, item.Height.Value - 1);
p.Dispose();
}
}
}
else
{
item.Height = 0;
}
nItem++;
if (item.Height == null)
{
nY += m_controle.GetItemHeight(item);
}
else
{
nY += item.Height.Value;
}
}
if (m_controle != null)
{
m_controle.OnEndPaintList();
}
/*if ( nCurrent != null && (m_controle.CurrentItem == null ||
* m_controle.CurrentItem.Index != nCurrent ))
* m_controle.InitChamps ( Items[nCurrent.Value] );*/
}
}
finally
{
m_bIsDrawing = false;
}
if (AfterPaint != null)
{
AfterPaint(this, null);
}
}
//----------------------------------------------------
protected virtual CResultAErreur MyInitChamps(CCustomizableListItem item)
{
return(CResultAErreur.True);
}