internal GroupViewItemCollection(GroupViewSection owner)
{
this._owner = owner;
this._items = new ArrayList();
}
private void OnSectionSelected(int newIndex, bool uiSelection)
{
try
{
if (uiSelection)
{
this._itemContainer.BeginUpdate();
}
if (this._selectedSection != null)
{
if (uiSelection)
{
this.OnSelectedSectionChanging(EventArgs.Empty);
}
this._selectedSection.OnDeactivate();
this._selectedSection = null;
}
this._selectedSectionIndex = newIndex;
if (this._selectedSectionIndex != -1)
{
this._selectedSection = this._sectionCollection[this._selectedSectionIndex];
this._selectedSection.OnActivate(this._itemContainer);
if (uiSelection)
{
this.OnSelectedSectionChanged(EventArgs.Empty);
}
}
}
finally
{
if (uiSelection)
{
this._itemContainer.EndUpdate();
}
}
this.DirtySectionRectangles(false);
if (base.IsHandleCreated)
{
base.PerformLayout();
base.Invalidate();
}
}
private void PaintSection(Graphics g, GroupViewSection section, int sectionIndex, Brush sectionBrush, Font font)
{
Brush control;
Rectangle rect = section.Rectangle;
Rectangle layoutRectangle = rect;
layoutRectangle.Inflate(-2, -2);
if ((sectionIndex == this._mouseDownIndex) || (sectionIndex == this._selectedSectionIndex))
{
g.FillRectangle(SystemBrushes.ControlDark, rect);
control = SystemBrushes.Control;
}
else
{
g.FillRectangle(sectionBrush, rect);
control = SystemBrushes.ControlText;
}
if (this._sectionImages != null)
{
if ((section.ImageIndex != -1) && (this._sectionImages.Images.Count > section.ImageIndex))
{
int x = (rect.Left + 2) + 1;
int y = rect.Top + ((rect.Height - 0x10) / 2);
this._sectionImages.Draw(g, x, y, section.ImageIndex);
}
int num3 = 20;
layoutRectangle.X += num3;
layoutRectangle.Width -= num3;
}
StringFormat format = new StringFormat(StringFormatFlags.NoWrap);
format.Alignment = StringAlignment.Near;
format.LineAlignment = StringAlignment.Center;
format.Trimming = StringTrimming.EllipsisCharacter;
g.DrawString(section.Text, font, control, layoutRectangle, format);
format.Dispose();
if (sectionIndex == this._hoverIndex)
{
g.DrawRectangle(SystemPens.ControlDark, rect.Left, rect.Top, rect.Width - 1, rect.Height - 1);
}
}
internal void OnSectionChanged(GroupViewSection section, bool relayoutRequired)
{
if (relayoutRequired)
{
this.DirtySectionRectangles(base.IsHandleCreated);
if (section.Visible && (this._selectedSectionIndex == -1))
{
int index = this._sectionCollection.IndexOf(section);
this.SelectedSectionIndex = index;
}
else if (!section.Visible && (section == this._selectedSection))
{
int nextVisibleSection = this.GetNextVisibleSection(this._selectedSectionIndex);
this.SelectedSectionIndex = nextVisibleSection;
}
base.PerformLayout();
}
if (base.IsHandleCreated)
{
base.Invalidate();
}
}
internal void OnSectionRemoved(GroupViewSection section)
{
if (section == this._selectedSection)
{
int selectedSectionIndex = this.SelectedSectionIndex;
if (selectedSectionIndex == this._sectionCollection.Count)
{
selectedSectionIndex--;
}
this.SelectedSectionIndex = selectedSectionIndex;
}
else
{
for (int i = 0; i < this._sectionCollection.Count; i++)
{
if (this._sectionCollection[i] == this._selectedSection)
{
this.SelectedSectionIndex = i;
}
}
}
section.SetOwner(null);
}
public void Remove(GroupViewSection value)
{
this._sections.Remove(value);
this._owner.OnSectionRemoved(value);
}
internal void OnSectionAdded(GroupViewSection section)
{
section.SetOwner(this);
if ((this._selectedSectionIndex == -1) && section.Visible)
{
this.SelectedSectionIndex = 0;
}
}
public int IndexOf(GroupViewSection section)
{
int count = this.Count;
for (int i = 0; i < count; i++)
{
if (this[i] == section)
{
return i;
}
}
return -1;
}
public bool Contains(GroupViewSection section)
{
return (this.IndexOf(section) != -1);
}
public void AddRange(GroupViewSection[] sections)
{
foreach (GroupViewSection section in sections)
{
this.Add(section);
}
}
public void Add(GroupViewSection value)
{
this._sections.Add(value);
this._owner.OnSectionAdded(value);
}
private void OnSectionAdded(object sender, ToolboxSectionEventArgs e)
{
ToolboxSection section = e.Section;
this._groupViewImages.Images.Add(section.Icon);
GroupViewSection section2 = new GroupViewSection();
section2.ImageIndex = this._groupViewImages.Images.Count - 1;
section2.Text = section.Name;
section2.Visible = false;
foreach (ToolboxDataItem item in section.ToolboxDataItems)
{
ToolboxDataGroupViewItem item2 = new ToolboxDataGroupViewItem(item, this);
section2.Items.Add(item2);
}
SectionInfo info = new SectionInfo();
info.ToolboxSection = section;
info.UISection = section2;
this._sections.Add(info);
this._groupView.Sections.Add(section2);
section.ItemsChanged += new EventHandler(this.OnToolboxSectionItemsChanged);
this.UpdateToolboxClient();
}
