private void SetPrevSectionItem(float currentPos, int prevIndex)
{
if (prevIndex != -1)
{
ListPanel.ListPanelSectionItem listPanelSectionItem = this.CreateSectionItem();
this.UpdateSectionItem(listPanelSectionItem, prevIndex);
listPanelSectionItem.Y = currentPos - listPanelSectionItem.ContainEdgeHeight;
this.displayAllItems.Insert(0, listPanelSectionItem);
}
}
private void SetNextSectionItem(float nextPos, int nextIndex)
{
if (nextIndex != this.Sections.Count)
{
ListPanel.ListPanelSectionItem listPanelSectionItem = this.CreateSectionItem();
this.UpdateSectionItem(listPanelSectionItem, nextIndex);
listPanelSectionItem.Y = nextPos;
this.displayAllItems.Add(listPanelSectionItem);
}
}
private void UpdateSectionItem(ListPanel.ListPanelSectionItem item, int sectionIndex)
{
item.Title = this.Sections[sectionIndex].Title;
item.SectionIndex = sectionIndex;
if (this.displaySectionItems.Count > 0 && this.displaySectionItems[0].SectionIndex > item.SectionIndex)
{
this.displaySectionItems.Insert(0, item);
return;
}
this.displaySectionItems.Add(item);
}
private ListPanel.ListPanelSectionItem CreateSectionItem()
{
ListPanel.ListPanelSectionItem listPanelSectionItem;
if (this.cacheSectionItems.Count == 0)
{
listPanelSectionItem = new ListPanel.ListPanelSectionItem();
this.AddChildLast(listPanelSectionItem);
}
else
{
listPanelSectionItem = this.cacheSectionItems[0];
this.cacheSectionItems.Remove(listPanelSectionItem);
}
listPanelSectionItem.Width = this.Width;
listPanelSectionItem.Height = 47f;
listPanelSectionItem.Visible = true;
return(listPanelSectionItem);
}
private void DestroySectionItem(ListPanel.ListPanelSectionItem item)
{
item.Visible = false;
this.displaySectionItems.Remove(item);
this.cacheSectionItems.Add(item);
}