public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture,
object value, Type destinationType)
{
if (destinationType == null)
throw new ArgumentNullException("DestinationType cannot be null");
//MessageBox.Show("Convertto OK");
if (destinationType == typeof(InstanceDescriptor) && (value is ChatListItem)) {
ConstructorInfo constructor = null;
ChatListItem item = (ChatListItem)value;
ChatListSubItem[] subItems = null;
//MessageBox.Show("Convertto Start Item:" + item.Text);
//MessageBox.Show("Item.SubItems.Count:" + item.SubItems.Count);
if (item.SubItems.Count > 0) {
subItems = new ChatListSubItem[item.SubItems.Count];
item.SubItems.CopyTo(subItems, 0);
}
//MessageBox.Show("Item.SubItems.Count:" + item.SubItems.Count);
if (item.Text != null && subItems != null)
constructor = typeof(ChatListItem).GetConstructor(new Type[] { typeof(string), typeof(ChatListSubItem[]) });
//MessageBox.Show("Constructor(Text,item[]):" + (constructor != null));
if (constructor != null)
return new InstanceDescriptor(constructor, new object[] { item.Text, subItems }, false);
if (subItems != null)
constructor = typeof(ChatListItem).GetConstructor(new Type[] { typeof(ChatListSubItem[]) });
if (constructor != null)
return new InstanceDescriptor(constructor, new object[] { subItems }, false);
if (item.Text != null) {
//MessageBox.Show("StartGetConstructor(text)");
constructor = typeof(ChatListItem).GetConstructor(new Type[] { typeof(string), typeof(bool) });
}
//MessageBox.Show("Constructor(Text):" + (constructor != null));
if (constructor != null) {
//System.Windows.Forms.MessageBox.Show("text OK");
return new InstanceDescriptor(constructor, new object[] { item.Text, item.IsOpen });
}
}
return base.ConvertTo(context, culture, value, destinationType);
}
/// <summary>
/// 绘制列表子项
/// </summary>
/// <param name="g">绘图表面</param>
/// <param name="subItem">要绘制的子项</param>
/// <param name="rectSubItem">该子项的区域</param>
/// <param name="sb">画刷</param>
protected virtual void DrawSubItem(Graphics g, ChatListSubItem subItem, ref Rectangle rectSubItem, SolidBrush sb)
{
if (subItem.Equals(selectSubItem)) { //判断改子项是否被选中
rectSubItem.Height = (int)ChatListItemIcon.Large; //如果选中则绘制成大图标
sb.Color = this.subItemSelectColor;
g.FillRectangle(sb, rectSubItem);
//对color进行变换
for (int i = rectSubItem.Height; i > 0; i--)
{
if (sb.Color.R - i * 3 >= 0//先保证RGB值在合理范围内
&& sb.Color.G - i * 3 >= 0)
{
g.DrawLine(new Pen(Color.FromArgb(100, sb.Color.R - i * 3, sb.Color.G - i * 3, sb.Color.B)),
rectSubItem.Left, rectSubItem.Top + i,
rectSubItem.Right, rectSubItem.Top + i);
}
}
DrawHeadImage(g, subItem, rectSubItem); //绘制头像
DrawLargeSubItem(g, subItem, rectSubItem); //绘制大图标 显示的个人信息
subItem.Bounds = new Rectangle(rectSubItem.Location, rectSubItem.Size);
return;
} else if (subItem.Equals(m_mouseOnSubItem))
sb.Color = this.subItemMouseOnColor;
else
sb.Color = this.subItemColor;
g.FillRectangle(sb, rectSubItem);//
//对color进行变换
for (int i = rectSubItem.Height; i > 0; i--) {
if (sb.Color.R - i * 3 >= 0
&& sb.Color.R - i * 3 >= 0)
{
g.DrawLine(new Pen(Color.FromArgb(100, sb.Color.R - i * 3, sb.Color.G - i * 3, sb.Color.B)),
rectSubItem.Left, rectSubItem.Top+i,
rectSubItem.Right, rectSubItem.Top+i);
}
}
DrawHeadImage(g, subItem, rectSubItem);
if (iconSizeMode == ChatListItemIcon.Large) //没有选中则根据 图标模式绘制
DrawLargeSubItem(g, subItem, rectSubItem);
else
DrawSmallSubItem(g, subItem, rectSubItem);
subItem.Bounds = new Rectangle(rectSubItem.Location, rectSubItem.Size);
}
/// <summary>
/// 绘制小图标模式的个人信息
/// </summary>
/// <param name="g">绘图表面</param>
/// <param name="subItem">要绘制信息的子项</param>
/// <param name="rectSubItem">该子项的区域</param>
protected virtual void DrawSmallSubItem(Graphics g, ChatListSubItem subItem, Rectangle rectSubItem)
{
rectSubItem.Height = (int)ChatListItemIcon.Small; //重新赋值一个高度
StringFormat sf = new StringFormat();
sf.LineAlignment = StringAlignment.Center;
sf.FormatFlags = StringFormatFlags.NoWrap;
string strDraw = subItem.DisplayName;
if (string.IsNullOrEmpty(strDraw)) strDraw = subItem.NicName; //如果没有备注绘制昵称
Size szFont = TextRenderer.MeasureText(strDraw, this.Font);
sf.SetTabStops(0.0F, new float[] { rectSubItem.Height });
g.DrawString("\t" + strDraw, this.Font, Brushes.Black, rectSubItem, sf);
sf.SetTabStops(0.0F, new float[] { rectSubItem.Height + 5 + szFont.Width });
g.DrawString("\t" + subItem.PersonalMsg, this.Font, Brushes.Gray, rectSubItem, sf);
}
/// <summary>
/// 绘制大图标模式的个人信息
/// </summary>
/// <param name="g">绘图表面</param>
/// <param name="subItem">要绘制信息的子项</param>
/// <param name="rectSubItem">该子项的区域</param>
protected virtual void DrawLargeSubItem(Graphics g, ChatListSubItem subItem, Rectangle rectSubItem)
{
rectSubItem.Height = (int)ChatListItemIcon.Large; //重新赋值一个高度
string strDraw = subItem.DisplayName;
Size szFont = TextRenderer.MeasureText(strDraw, this.Font);
if (szFont.Width > 0) { //判断是否有备注名称
g.DrawString(strDraw, this.Font, Brushes.Black, rectSubItem.Height, rectSubItem.Top + 5);
g.DrawString(subItem.NicName,
this.Font, Brushes.Gray, rectSubItem.Height + szFont.Width, rectSubItem.Top + 5);
} else { //如果没有备注名称 这直接绘制昵称
g.DrawString(subItem.NicName, this.Font, Brushes.Black, rectSubItem.Height, rectSubItem.Top + 5);
} //绘制个人签名
g.DrawString(subItem.PersonalMsg, this.Font, Brushes.Gray, rectSubItem.Height, rectSubItem.Top + 5 + this.Font.Height);
}
/// <summary>
/// 绘制列表子项的头像
/// </summary>
/// <param name="g">绘图表面</param>
/// <param name="subItem">要绘制头像的子项</param>
/// <param name="rectSubItem">该子项的区域</param>
protected virtual void DrawHeadImage(Graphics g, ChatListSubItem subItem, Rectangle rectSubItem)
{
if (subItem.IsTwinkle) { //判断改头像是否闪动
if (subItem.IsTwinkleHide) //同理该值 在线程中 取反赋值
return;
}
int imageHeight = rectSubItem.Height - 10; //根据子项的大小计算头像的区域
subItem.HeadRect = new Rectangle(5, rectSubItem.Top + 5, imageHeight, imageHeight);
if (subItem.HeadImage == null) //如果头像位空 用默认资源给定的头像
subItem.HeadImage = global::_CUSTOM_CONTROLS.Properties.Resources._null;
if (subItem.Status == ChatListSubItem.UserStatus.OffLine)
g.DrawImage(subItem.GetDarkImage(), subItem.HeadRect);
else {
pairs_image image = new pairs_image();
g.DrawImage(image.get_image_from_name(subItem.DisplayName), subItem.HeadRect);//绘制小图标
/*
if (subItem.Status == ChatListSubItem.UserStatus.QMe)
g.DrawImage(global::_CUSTOM_CONTROLS.Properties.Resources.QMe, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11));
if (subItem.Status == ChatListSubItem.UserStatus.Away)
g.DrawImage(global::_CUSTOM_CONTROLS.Properties.Resources.Away, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11));
if (subItem.Status == ChatListSubItem.UserStatus.Busy)
g.DrawImage(global::_CUSTOM_CONTROLS.Properties.Resources.Busy, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11));
if (subItem.Status == ChatListSubItem.UserStatus.DontDisturb)
g.DrawImage(global::_CUSTOM_CONTROLS.Properties.Resources.Dont_Disturb, new Rectangle(subItem.HeadRect.Right - 10, subItem.HeadRect.Bottom - 10, 11, 11));
//*/
}
if (subItem.Equals(selectSubItem)) //根据是否选中头像绘制头像的外边框
;//g.DrawRectangle(Pens.Cyan, subItem.HeadRect);
else
;// g.DrawRectangle(Pens.Gray, subItem.HeadRect);
}
/// <summary>
/// 根据在线状态添加一个子项
/// </summary>
/// <param name="subItem">要添加的子项</param>
public void AddAccordingToStatus(ChatListSubItem subItem)
{
if (subItem.Status == ChatListSubItem.UserStatus.OffLine) {
this.Add(subItem);
return;
}
for (int i = 0, len = this.count; i < len; i++) {
if (subItem.Status <= m_arrSubItems[i].Status) {
this.Insert(i, subItem);
return;
}
}
this.Add(subItem);
}
private void MenuMain_Load(object sender, EventArgs e)
{
Rectangle rect = System.Windows.Forms.Screen.PrimaryScreen.WorkingArea;
//Width = rect.Width;
Height = rect.Height - 50;
this.Location = new Point(10, 40);
TitleItem temp_item = new TitleItem();
temp_item.MainTitle = "订单管理";
temp_item.SubItem.Add("订单");
temp_item.SubItem.Add("打样");
temp_item.SubItem.Add("生产");
temp_item.SubItem.Add("出货记录");
temp_item.SubItem.Add("快递记录");
title.Add(temp_item);
temp_item = new TitleItem();
temp_item.MainTitle = "任务管理";
temp_item.SubItem.Add("进度跟踪");
temp_item.SubItem.Add("工作日历");
title.Add(temp_item);
temp_item = new TitleItem();
temp_item.MainTitle = "物料管理";
temp_item.SubItem.Add("面料");
temp_item.SubItem.Add("辅料");
temp_item.SubItem.Add("特殊工艺");
title.Add(temp_item);
temp_item = new TitleItem();
temp_item.MainTitle = "关系管理";
temp_item.SubItem.Add("客户");
temp_item.SubItem.Add("服装厂");
temp_item.SubItem.Add("其他厂商");
temp_item.SubItem.Add("联系人");
title.Add(temp_item);
temp_item = new TitleItem();
temp_item.MainTitle = "文件库";
temp_item.SubItem.Add("文件库");
title.Add(temp_item);
button1.Text = "闪动";
button2.Text = "插入[离开]";
button3.Text = "大/小图标";
chatListBox1.Items.Clear();
Random rnd = new Random();
for (int i = 0; i < title.Count; i++)
{
ChatListItem item = new ChatListItem(title[i].MainTitle);
for (int j = 0; j < title[i].SubItem.Count; j++)
{
ChatListSubItem subItem = new ChatListSubItem("", title[i].SubItem[j], "");//注释说明
subItem.HeadImage = getHeadImage(title[i].SubItem[j]);
subItem.Status = (ChatListSubItem.UserStatus)(j % 6);
item.SubItems.AddAccordingToStatus(subItem);
}
item.SubItems.Sort();
chatListBox1.Items.Add(item);
}
ChatListItem itema = new ChatListItem("TEST");
for (int i = 0; i < 5; i++)
{
chatListBox1.Items.Add(itema);
}
chatListBox1.Items.Remove(itema);
}
private void ClearSubItemMouseOn()
{
if (m_mouseOnSubItem != null) {
this.Invalidate(new Rectangle(
m_mouseOnSubItem.Bounds.X, m_mouseOnSubItem.Bounds.Y - chatVScroll.Value,
m_mouseOnSubItem.Bounds.Width, m_mouseOnSubItem.Bounds.Height));
m_mouseOnSubItem = null;
}
}
/// <summary>
/// 移除一个子项
/// </summary>
/// <param name="subItem">要移除的子项</param>
public void Remove(ChatListSubItem subItem)
{
int index = this.IndexOf(subItem);
if (-1 != index)
this.RemoveAt(index);
}
public ChatListItem(ChatListSubItem[] subItems)
{
this.subItems.AddRange(subItems);
}
/// <summary>
/// 根据索引插入一个子项
/// </summary>
/// <param name="index">索引位置</param>
/// <param name="subItem">要插入的子项</param>
public void Insert(int index, ChatListSubItem subItem)
{
if (index < 0 || index >= this.count)
throw new IndexOutOfRangeException("Index was outside the bounds of the array");
if (subItem == null)
throw new ArgumentNullException("SubItem cannot be null");
this.EnsureSpace(1);
for (int i = this.count; i > index; i--)
m_arrSubItems[i] = m_arrSubItems[i - 1];
subItem.OwnerListItem = this.owner;
m_arrSubItems[index] = subItem;
this.count++;
if (this.owner.OwnerChatListBox != null)
this.owner.OwnerChatListBox.Invalidate();
}
/// <summary>
/// 获取索引位置
/// </summary>
/// <param name="subItem">要获取索引的子项</param>
/// <returns>索引</returns>
public int IndexOf(ChatListSubItem subItem)
{
return Array.IndexOf<ChatListSubItem>(m_arrSubItems, subItem);
}
/// <summary>
/// 判断子项是否在集合内
/// </summary>
/// <param name="subItem">要判断的子项</param>
/// <returns>是否在集合内</returns>
public bool Contains(ChatListSubItem subItem)
{
return this.IndexOf(subItem) != -1;
}
/// <summary>
/// 添加一组子项
/// </summary>
/// <param name="subItems">要添加子项的数组</param>
public void AddRange(ChatListSubItem[] subItems)
{
if (subItems == null)
throw new ArgumentNullException("SubItems cannot be null");
this.EnsureSpace(subItems.Length);
try {
foreach (ChatListSubItem subItem in subItems) {
if (subItem == null)
throw new ArgumentNullException("SubItem cannot be null");
if (-1 == this.IndexOf(subItem)) {
subItem.OwnerListItem = this.owner;
m_arrSubItems[this.count++] = subItem;
}
}
} finally {
if (this.owner.OwnerChatListBox != null)
this.owner.OwnerChatListBox.Invalidate();
}
}
protected override void OnClick(EventArgs e)
{
if (chatVScroll.IsMouseDown) return; //MouseUp事件触发在Click后 滚动条滑块为点下状态 单击无效
if (chatVScroll.ShouldBeDraw) { //如果有滚动条 判断是否在滚动条类点击
if (chatVScroll.Bounds.Contains(m_ptMousePos)) { //判断在滚动条那个位置点击
if (chatVScroll.UpBounds.Contains(m_ptMousePos))
chatVScroll.Value -= 50;
else if (chatVScroll.DownBounds.Contains(m_ptMousePos))
chatVScroll.Value += 50;
else if (!chatVScroll.SliderBounds.Contains(m_ptMousePos))
chatVScroll.MoveSliderToLocation(m_ptMousePos.Y);
return;
}
}//否则 如果在列表上点击 展开或者关闭 在子项上面点击则选中
foreach (ChatListItem item in items) {
if (item.Bounds.Contains(m_ptMousePos)) {
if (item.IsOpen) {
foreach (ChatListSubItem subItem in item.SubItems) {
if (subItem.Bounds.Contains(m_ptMousePos)) {
if (subItem.Equals(selectSubItem))
return;
selectSubItem = subItem;
this.Invalidate();
return;
}
}
if (new Rectangle(0, item.Bounds.Top, this.Width, 20).Contains(m_ptMousePos)) {
selectSubItem = null;
item.IsOpen = !item.IsOpen;
this.Invalidate();
return;
}
} else {
selectSubItem = null;
item.IsOpen = !item.IsOpen;
this.Invalidate();
return;
}
}
}
base.OnClick(e);
}
protected override void OnMouseMove(MouseEventArgs e)
{
m_ptMousePos = e.Location;
if (chatVScroll.IsMouseDown) { //如果滚动条的滑块处于被点击 那么移动
chatVScroll.MoveSliderFromLocation(e.Y);
return;
}
if (chatVScroll.ShouldBeDraw) { //如果控件上有滚动条 判断鼠标是否在滚动条区域移动
if (chatVScroll.Bounds.Contains(m_ptMousePos)) {
ClearItemMouseOn();
ClearSubItemMouseOn();
if (chatVScroll.SliderBounds.Contains(m_ptMousePos))
chatVScroll.IsMouseOnSlider = true;
else
chatVScroll.IsMouseOnSlider = false;
if (chatVScroll.UpBounds.Contains(m_ptMousePos))
chatVScroll.IsMouseOnUp = true;
else
chatVScroll.IsMouseOnUp = false;
if (chatVScroll.DownBounds.Contains(m_ptMousePos))
chatVScroll.IsMouseOnDown = true;
else
chatVScroll.IsMouseOnDown = false;
return;
} else
chatVScroll.ClearAllMouseOn();
}
m_ptMousePos.Y += chatVScroll.Value; //如果不在滚动条范围类 那么根据滚动条当前值计算虚拟的一个坐标
for (int i = 0, Len = items.Count; i < Len; i++) { //然后判断鼠标是否移动到某一列表项或者子项
if (items[i].Bounds.Contains(m_ptMousePos)) {
if (items[i].IsOpen) { //如果展开 判断鼠标是否在某一子项上面
for (int j = 0, lenSubItem = items[i].SubItems.Count; j < lenSubItem; j++) {
if (items[i].SubItems[j].Bounds.Contains(m_ptMousePos)) {
if (m_mouseOnSubItem != null) { //如果当前鼠标下子项不为空
if (items[i].SubItems[j].HeadRect.Contains(m_ptMousePos)) { //判断鼠标是否在头像内
if (!m_bOnMouseEnterHeaded) { //如果没有触发进入事件 那么触发用户绑定的事件
OnMouseEnterHead(new ChatListEventArgs(this.m_mouseOnSubItem, this.selectSubItem));
m_bOnMouseEnterHeaded = true;
}
} else {
if (m_bOnMouseEnterHeaded) { //如果已经执行过进入事件 那触发用户绑定的离开事件
OnMouseLeaveHead(new ChatListEventArgs(this.m_mouseOnSubItem, this.selectSubItem));
m_bOnMouseEnterHeaded = false;
}
}
}
if (items[i].SubItems[j].Equals(m_mouseOnSubItem)) {
return;
}
ClearSubItemMouseOn();
ClearItemMouseOn();
m_mouseOnSubItem = items[i].SubItems[j];
this.Invalidate(new Rectangle(
m_mouseOnSubItem.Bounds.X, m_mouseOnSubItem.Bounds.Y - chatVScroll.Value,
m_mouseOnSubItem.Bounds.Width, m_mouseOnSubItem.Bounds.Height));
//this.Invalidate();
return;
}
}
ClearSubItemMouseOn(); //循环做完没发现子项 那么判断是否在列表上面
if (new Rectangle(0, items[i].Bounds.Top - chatVScroll.Value, this.Width, 20).Contains(e.Location)) {
if (items[i].Equals(m_mouseOnItem))
return;
ClearItemMouseOn();
m_mouseOnItem = items[i];
this.Invalidate(new Rectangle(
m_mouseOnItem.Bounds.X, m_mouseOnItem.Bounds.Y - chatVScroll.Value,
m_mouseOnItem.Bounds.Width, m_mouseOnItem.Bounds.Height));
//this.Invalidate();
return;
}
} else { //如果列表项没有展开 重绘列表项
if (items[i].Equals(m_mouseOnItem))
return;
ClearItemMouseOn();
ClearSubItemMouseOn();
m_mouseOnItem = items[i];
this.Invalidate(new Rectangle(
m_mouseOnItem.Bounds.X, m_mouseOnItem.Bounds.Y - chatVScroll.Value,
m_mouseOnItem.Bounds.Width, m_mouseOnItem.Bounds.Height));
//this.Invalidate();
return;
}
}
}//若循环结束 既不在列表上也不再子项上 清空上面的颜色
ClearItemMouseOn();
ClearSubItemMouseOn();
base.OnMouseMove(e);
}
//确认存储空间
private void EnsureSpace(int elements)
{
if (m_arrSubItems == null)
m_arrSubItems = new ChatListSubItem[Math.Max(elements, 4)];
else if (elements + this.count > m_arrSubItems.Length) {
ChatListSubItem[] arrTemp = new ChatListSubItem[Math.Max(m_arrSubItems.Length * 2, elements + this.count)];
m_arrSubItems.CopyTo(arrTemp, 0);
m_arrSubItems = arrTemp;
}
}
public ChatListEventArgs(ChatListSubItem mouseonsubitem, ChatListSubItem selectsubitem)
{
this.mouseOnSubItem = mouseonsubitem;
this.selectSubItem = selectsubitem;
}
public ChatListItem(string text, ChatListSubItem[] subItems)
{
this.text = text;
this.subItems.AddRange(subItems);
}
public ChatListItem(string text, bool bOpen, ChatListSubItem[] subItems)
{
this.text = text;
this.isOpen = bOpen;
this.subItems.AddRange(subItems);
}
/// <summary>
/// 添加一个子项
/// </summary>
/// <param name="subItem">要添加的子项</param>
public void Add(ChatListSubItem subItem)
{
if (subItem == null)
throw new ArgumentNullException("SubItem cannot be null");
this.EnsureSpace(1);
if (-1 == IndexOf(subItem)) {
subItem.OwnerListItem = owner;
m_arrSubItems[this.count++] = subItem;
if (this.owner.OwnerChatListBox != null)
this.owner.OwnerChatListBox.Invalidate();
}
}
