/// <summary>
/// 将项插入 CharmCatalogueList 的指定索引处
/// </summary>
/// <param name="index"></param>
/// <param name="item"></param>
public void Insert(int index, CatalogListBoxItem item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
Owner.OldItems.Insert(index, item);
}
/// <summary>
/// 向 CharmCatalogueList 的项列表添加项
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public int Add(CatalogListBoxItem item)
{
if (item == null)
{
throw new ArgumentException("item");
}
return(Owner.OldItems.Add(item));
}
/// <summary>
/// 引发 MouseMove 事件
/// </summary>
/// <param name="e">包含事件数据的 MouseEventArgs</param>
protected override void OnMouseMove(MouseEventArgs e)
{
bool isChange = false; // 是否改变标识符
base.OnMouseMove(e);
for (int i = 0; i < Items.Count; i++)
{
Rectangle bounds = GetItemRectangle(i);
if (bounds.Contains(e.X, e.Y))
{
if (e.X > 445 && e.X < 545 && e.Y > (27 + bounds.Y) && e.Y < (57 + bounds.Y))
{
if (buttonHighlightIndex != i)
{
buttonHighlightIndex = i;
isChange = true;
}
}
else if (e.X > 330 && e.X < 410 && e.Y > (45 + bounds.Y) && e.Y < (65 + bounds.Y))
{
if (Cursor != Cursors.Hand)
{
Cursor = Cursors.Hand;
}
}
else
{
if (Cursor != Cursors.Arrow)
{
Cursor = Cursors.Arrow;
}
if (buttonHighlightIndex == i)
{
buttonHighlightIndex = -1;
isChange = true;
}
}
if (Items[i] != mMouseItem)
{
mMouseItem = Items[i];
isChange = true;
}
}
if (isChange)
{
break;
}
}
if (isChange)
{
Invalidate();
}
}
/// <summary>
/// 选中项被改变事件
/// </summary>
/// <param name="e"></param>
protected override void OnSelectedIndexChanged(EventArgs e)
{
// 判断不为主分类标签才执行事件
if (!Items[SelectedIndex].IsClass)
{
mMouseItem = Items[SelectedIndex];
mClassName = mMouseItem.Text;
base.OnSelectedIndexChanged(e);
}
else
{
// 分类表项被单击
// 获取分类展开标识、分类ID
bool isExpand = Items[SelectedIndex].IsExpand;
int classID = Items[SelectedIndex].ClassID;
// 判断当前展开状态
if (isExpand)
{
// 当前为展开状态，需要闭合
for (int i = Items.Count - 1; i >= 0; i--)
{
if (Items[i].ClassID == classID && !Items[i].IsClass)
{
mHideItems.Insert(0, Items[i]);
Items.RemoveAt(i);
}
}
// 设置展开状态为假
Items[SelectedIndex].IsExpand = false;
}
else
{
// 当前为闭合状态，需要展开
for (int i = mHideItems.Count - 1; i >= 0; i--)
{
if ((mHideItems[i]).ClassID == classID)
{
Items.Insert(SelectedIndex + 1, mHideItems[i]);
mHideItems.RemoveAt(i);
}
}
// 设置展开状态为真
Items[SelectedIndex].IsExpand = true;
}
}
// 重绘列表
Invalidate();
}
/// <summary>
/// 选中项被改变事件
/// </summary>
/// <param name="e"></param>
protected override void OnSelectedIndexChanged(EventArgs e)
{
// 判断不为主分类标签才执行事件
if (!Items[SelectedIndex].IsClass)
{
mMouseItem = Items[SelectedIndex];
mClassName = mMouseItem.Text;
base.OnSelectedIndexChanged(e);
}
else
{
// 分类表项被单击
// 获取分类展开标识、分类ID
bool isExpand = Items[SelectedIndex].IsExpand;
int classID = Items[SelectedIndex].ClassID;
// 判断当前展开状态
if (isExpand)
{
// 当前为展开状态，需要闭合
for (int i = Items.Count - 1; i >= 0; i--)
{
if (Items[i].ClassID == classID && !Items[i].IsClass)
{
mHideItems.Insert(0, Items[i]);
Items.RemoveAt(i);
}
}
// 设置展开状态为假
Items[SelectedIndex].IsExpand = false;
}
else
{
// 当前为闭合状态，需要展开
for (int i = mHideItems.Count - 1; i >= 0; i--)
{
if ((mHideItems[i]).ClassID == classID)
{
Items.Insert(SelectedIndex + 1,mHideItems[i]);
mHideItems.RemoveAt(i);
}
}
// 设置展开状态为真
Items[SelectedIndex].IsExpand = true;
}
}
// 重绘列表
Invalidate();
}
/// <summary>
/// 引发 MouseMove 事件
/// </summary>
/// <param name="e">包含事件数据的 MouseEventArgs</param>
protected override void OnMouseMove(MouseEventArgs e)
{
bool isChange = false; // 是否改变标识符
base.OnMouseMove(e);
for (int i = 0; i < Items.Count; i++)
{
Rectangle bounds = GetItemRectangle(i);
if (bounds.Contains(e.X, e.Y))
{
if (e.X > 445 && e.X < 545 && e.Y > (27 + bounds.Y) && e.Y < (57 + bounds.Y))
{
if (buttonHighlightIndex != i)
{
buttonHighlightIndex = i;
isChange = true;
}
}
else if (e.X > 330 && e.X < 410 && e.Y > (45 + bounds.Y) && e.Y < (65 + bounds.Y))
{
if (Cursor != Cursors.Hand)
Cursor = Cursors.Hand;
}
else
{
if (Cursor != Cursors.Arrow)
Cursor = Cursors.Arrow;
if (buttonHighlightIndex == i)
{
buttonHighlightIndex = -1;
isChange = true;
}
}
if (Items[i] != mMouseItem)
{
mMouseItem = Items[i];
isChange = true;
}
}
if (isChange)
break;
}
if (isChange)
{
Invalidate();
}
}
/// <summary>
/// 从集合中移除指定的对象
/// </summary>
/// <param name="item"></param>
public void Remove(CatalogListBoxItem item)
{
Owner.OldItems.Remove(item);
}
/// <summary>
/// 将项插入 CharmCatalogueList 的指定索引处
/// </summary>
/// <param name="index"></param>
/// <param name="item"></param>
public void Insert(int index, CatalogListBoxItem item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
Owner.OldItems.Insert(index, item);
}
/// <summary>
/// 返回指定项在集合中的索引
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public int IndexOf(CatalogListBoxItem item)
{
return Owner.OldItems.IndexOf(item);
}
/// <summary>
/// 将整个集合复制到现有的数组集合中，从该数组的指定位置开始复制
/// </summary>
/// <param name="destination"></param>
/// <param name="arrayIndex"></param>
public void CopyTo(CatalogListBoxItem[] destination, int arrayIndex)
{
Owner.OldItems.CopyTo(destination, arrayIndex);
}
/// <summary>
/// 确定指定的项是否位于集合内
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public bool Contains(CatalogListBoxItem item)
{
return Owner.OldItems.Contains(item);
}
/// <summary>
/// 向 CharmCatalogueList 的项列表添加项
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public int Add(CatalogListBoxItem item)
{
if (item == null)
{
throw new ArgumentException("item");
}
return Owner.OldItems.Add(item);
}
/// <summary>
/// 引发 Paint 事件
/// </summary>
/// <param name="e">包含事件数据的 PaintEventArgs</param>
protected override void OnPaint(PaintEventArgs e)
{
// 获取绘制对象
Graphics g = e.Graphics;
// 循环绘制每项
for (int i = 0; i < Items.Count; i++)
{
// 获取表项工作区矩形
Rectangle itemRect = GetItemRectangle(i);
// 获取当前绘制的表项
CatalogListBoxItem item = Items[i];
// 绘制表项分割线
g.DrawLine(Pens.LightGray, new Point(0, itemRect.Top), new Point(Width, itemRect.Top));
// 绘制表项背景
g.DrawImage(Resources.Catalog_normal, new Rectangle(new Point(0, itemRect.Y), new Size(189, 33)));
// 第1项需要绘制特殊背景
if (i == 0)
{
g.DrawImage(Resources.Catalog_First, new Rectangle(new Point(0, itemRect.Y), new Size(189, 33)));
}
;
// 判断该表项是否为分类
if (item.IsClass)
{
// 绘制展开/收缩图标
if (item.IsExpand)
{
g.DrawImage(Resources.catalog_class_expand, new Rectangle(new Point(itemRect.Left + 8, itemRect.Y + 11), new Size(12, 12)));
}
else
{
g.DrawImage(Resources.catalog_class_collapse, new Rectangle(new Point(itemRect.Left + 8, itemRect.Y + 11), new Size(12, 12)));
};
// 绘制表项标题文本
g.DrawString(item.Text, new Font("微软雅黑", 10, FontStyle.Bold), Brushes.DarkBlue, itemRect.Left + 25, itemRect.Top + 7);
}
else
{
// 判断是否为选中项
if (SelectedIndex == i)
{
// 绘制现行选中项
g.DrawImage(Resources.Catalog_pushed, new Rectangle(new Point(0, itemRect.Y), new Size(189, 33)));
if (item.StatusImages[2] != null)
{
g.DrawImage(item.StatusImages[2], new Rectangle(new Point(25, itemRect.Y + 7), item.StatusImages[0].Size));
g.DrawString(item.Text, new Font("微软雅黑", 9, FontStyle.Bold), Brushes.White, itemRect.Left + 55, itemRect.Top + 7);
}
else
{
g.DrawString(item.Text, new Font("微软雅黑", 9, FontStyle.Bold), Brushes.White, itemRect.Left + 50, itemRect.Top + 7);
}
}
else
{
// 非现行选中项
// 判断是否为高亮项，是则绘制高亮背景
if (mMouseItem == Items[i])
{
g.DrawImage(Resources.Catalog_hover, new Rectangle(new Point(0, itemRect.Y), new Size(189, 33)));
if (item.StatusImages[1] != null)
{
g.DrawImage(item.StatusImages[1], new Rectangle(new Point(25, itemRect.Y + 7), item.StatusImages[0].Size));
g.DrawString(item.Text, new Font("微软雅黑", 9), Brushes.Black, itemRect.Left + 55, itemRect.Top + 7);
}
else
{
g.DrawString(item.Text, new Font("微软雅黑", 9), Brushes.Black, itemRect.Left + 50, itemRect.Top + 7);
}
}
else if (item.StatusImages[0] != null)
{
g.DrawImage(item.StatusImages[0], new Rectangle(new Point(25, itemRect.Y + 7), item.StatusImages[0].Size));
g.DrawString(item.Text, new Font("微软雅黑", 9), Brushes.Black, itemRect.Left + 55, itemRect.Top + 7);
}
else
{
g.DrawString(item.Text, new Font("微软雅黑", 9), Brushes.Black, itemRect.Left + 50, itemRect.Top + 7);
}
}
}
}
//base.OnPaint(e);
}
/// <summary>
/// 从集合中移除指定的对象
/// </summary>
/// <param name="item"></param>
public void Remove(CatalogListBoxItem item)
{
Owner.OldItems.Remove(item);
}
/// <summary>
/// 返回指定项在集合中的索引
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public int IndexOf(CatalogListBoxItem item)
{
return(Owner.OldItems.IndexOf(item));
}
/// <summary>
/// 确定指定的项是否位于集合内
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public bool Contains(CatalogListBoxItem item)
{
return(Owner.OldItems.Contains(item));
}
