internal void AddMessageItem(MessageListItem item, bool forceDisplayedBottom)
{
messageListBox.Items.Add(item);
if (forceDisplayedBottom)
{
messageListBox.ScrollToBottom();
}
}
private void toolStripMenuItemMessage_Click(object sender, EventArgs e)
{
MessageListItem item = messageListBox.GetItemAtPosition(messageListBox.PointToClient(MousePosition)) as MessageListItem;
if (item == null)
{
return;
}
Message m = item.Message;
if (sender == toolStripMenuItemCopy)
{
if (m.Type == MessageType.Text)
{
string selection = item.SelectedText;
if (!string.IsNullOrEmpty(selection))
{
Clipboard.SetText(selection);
}
else
{
Clipboard.SetText(m.Content);
}
}
else if (m.Type == MessageType.Image)
{
Clipboard.SetImage((m as ImageMessage).Image);
}
else if (m.Type == MessageType.File)
{
string filePath = (m as FileMessage).OriginFilePath;
if (File.Exists(filePath))
{
StringCollection sc = new StringCollection();
sc.Add(filePath);
Clipboard.SetFileDropList(sc);
}
}
}
else if (sender == toolStripMenuItemOpenFolder)
{
if (m.Type == MessageType.Image)
{
}
else if (m.Type == MessageType.File)
{
string filePath = (m as FileMessage).OriginFilePath;
if (File.Exists(filePath))
{
}
}
}
else if (sender == toolStripMenuItemSaveAs)
{
}
}
protected override void OnItemClicked(ItemClickedEventArgs args)
{
if (args.Button == MouseButtons.Left)
{
MessageListItem item = args.Item as MessageListItem;
Message m = item.Message;
Rectangle rect = item.Bounds;
foreach (DrawingObject dobj in item.DrawingObjects)
{
RectangleF drawingObjRect = dobj.Offset(rect.X, rect.Y);
switch (dobj.Type)
{
//头像
case DrawingObjectType.ProfilePhoto:
if (drawingObjRect.Contains(args.Location))
{
UserProfileControl control = new UserProfileControl();
control.User = item.User;
control.Show(this.PointToScreen(args.Location));
return;
}
break;
case DrawingObjectType.Image:
case DrawingObjectType.File:
{
if (drawingObjRect.Contains(args.Location))
{
//点击了图像，显示大图, 或者打开文件
string path;
if (m.Type == MessageType.Image)
{
path = (m as ImageMessage).OriginPath;
}
else
{
path = (m as FileMessage).OriginFilePath;
}
if (LanFile.Exists(path))
{
Process.Start(path);
}
}
break;
}
}
}
}
else if (args.Button == MouseButtons.Right)
{
//交给显示右键菜单
}
}
internal void Invalidate(MessageListItem item)
{
if (item == null)
{
this.Invalidate();
}
else
{
this.Invalidate(item.Bounds);
}
}
internal MessageListItem GetMessageItem(long id)
{
//因为后后加的，倒过来循环速度更快应该
for (int i = messageListBox.Items.Count - 1; i > -1; i--)
{
MessageListItem item = messageListBox.Items[i] as MessageListItem;
if (item.ID == id)
{
return(item);
}
}
return(null);
}
internal MessageListItem GetWaitDisplayMessageItem(long id)
{
//因为后后加的，倒过来循环速度更快应该
for (int i = WaitDisplayMessages.Count - 1; i > -1; i--)
{
MessageListItem item = WaitDisplayMessages[i];
if (item.ID == id)
{
return(item);
}
}
return(null);
}
private void contextMenuStripMessage_Opening(object sender, CancelEventArgs e)
{
MessageListItem item = messageListBox.GetItemAtPosition(messageListBox.PointToClient(MousePosition)) as MessageListItem;
if (item == null)
{
e.Cancel = true;
return;
}
contextMenuStripMessage.Items.Clear();
contextMenuStripMessage.Items.Add(toolStripMenuItemCopy);
if (item.Message.Type != MessageType.Text)
{
contextMenuStripMessage.Items.Add(new ToolStripSeparator());
contextMenuStripMessage.Items.Add(toolStripMenuItemOpenFolder);
contextMenuStripMessage.Items.Add(toolStripMenuItemSaveAs);
}
}
public void Clear()
{
if (_selectingTextItem != null)
{
foreach (DrawingObject dobj in _selectingTextItem.DrawingObjects)
{
if (dobj.Type == DrawingObjectType.TextBlock)
{
TextBlockObj tb = dobj.Tag as TextBlockObj;
tb.ClearSelection();
}
}
}
_selectingTextItem = null;
_selectStartDoIndex = -1;
_selectEndDoIndex = -1;
_prevSelection.Clear();
}
public void AddReceivedTextMessage(LanUser from, long id, string message)
{
Store.Models.Message m = new Store.Models.Message(MessageType.Text);
m.FromUserId = from.ID;
m.ToUserId = this.OwnerUser.ID;
m.Content = message;
m.Flag = true; //默认成功，后面按照失败结果设定为false
MessageListItem item = new MessageListItem();
item.State = MessageState.Received;
item.ID = id;
item.Message = m;
item.User = from;
item.Save();
AddMessageListItem(from, item);
}
private void SendImage_Click(object sender, EventArgs e)
{
if (!this.SendMessageEnabled)
{
return;
}
using (OpenFileDialog ofd = new OpenFileDialog())
{
ofd.Filter = "图像文件|*.png;*.jpg;*.bmp;";
if (ofd.ShowDialog(this) == DialogResult.OK)
{
string fileName = ofd.FileName;
Image smallImg = LanImage.GetThumbnailImage(fileName, MessageListBox.PICTURE_THUMBNAIL_HEIGHT);
if (smallImg == null)
{
//可能不是合法的图片
return;
}
long id = User.SendImage(Contacter, fileName);
//保存发送记录，只保存缩略图，原图的Path也保存
Store.Models.ImageMessage m = new Store.Models.ImageMessage(smallImg);
m.FromUserId = this.User.ID;
m.ToUserId = this.Contacter.ID;
m.OriginPath = fileName;
m.Flag = true; //默认成功，后面按照失败结果设定为false
MessageListItem item = new MessageListItem();
item.ID = id;
item.State = MessageState.Sending;
item.Message = m;
item.User = this.User;
item.Save();
AddMessageItem(item, true);
OnSendMessage(m);
}
}
}
public void AddReceivedImageMessage(LanUser from, long id, Image image)
{
//保存记录
Store.Models.ImageMessage m = new Store.Models.ImageMessage(image);
m.FromUserId = from.ID;
m.ToUserId = this.OwnerUser.ID;
m.OriginPath = "";
m.Flag = true; //默认成功，后面按照失败结果设定为false
MessageListItem item = new MessageListItem();
item.ID = id;
item.State = MessageState.Received;
item.Message = m;
item.User = from;
item.Save();
AddMessageListItem(from, item);
}
public void SetMessageResult(string fromUserId, string toUserId, long id, bool success)
{
string userItemId = fromUserId;
if (fromUserId == this.OwnerUser.ID)
{
//如果是我自己，那么则是发送消息
if (success)
{
//发送时就按照默认成功的，发送成功的消息可以忽略了
return;
}
userItemId = toUserId;
}
UserListItem userItem = this[userItemId];
UserChatControl chatCtrl = userItem.ChatControl;
MessageListItem item = null;
if (chatCtrl == null)
{
//如果还没表示则取出来
item = userItem.GetWaitDisplayMessageItem(id);
}
else
{
item = chatCtrl.GetMessageItem(id);
}
Store.Models.Message m = item.Message;
m.Flag = success;
item.Update();
if (chatCtrl != null && userItemId == this.SelectedUser.ID)
{
//当前表示着，更新
chatCtrl.Invalidate();
}
}
internal void SetSelectionStartItem(Point p)
{
//清除其他的选择状态
this.Clear();
MessageListItem item = _owner.GetItemAtPosition(p) as MessageListItem;
if (item == null)
{
return;
}
//设定文本选中
if (item.Message.Type == MessageType.Text)
{
this._selectingTextItem = item;
Rectangle rect = item.Bounds;
for (int i = 0; i < this._selectingTextItem.DrawingObjects.Count; i++)
{
DrawingObject dobj = item.DrawingObjects[i];
if (dobj.Type == DrawingObjectType.TextBlock)
{
Rectangle bounds = dobj.Offset(rect.X, rect.Y);
if (bounds.Contains(p))
{
TextBlockObj tb = dobj.Tag as TextBlockObj;
StringPart sp = tb.StringPart;
using (Graphics g = _owner.CreateGraphics())
{
tb.SelectionStart = StringMeasurer.GetCharIndex(g, sp.Font, p.X - (int)dobj.X, sp.String);
this._selectStartDoIndex = i;
break;
}
}
}
}
}
}
private void AddMessageListItem(LanUser from, MessageListItem item)
{
UserListItem userItem = this[from.ID];
bool bRefresh = false;
if (this.SelectedUser == null || from.ID != this.SelectedUser.ID)
{
//不是当前用户则增加未读数
userItem.UnreadMessageCount++;
bRefresh = true;
}
//移动到第一个
if (this.Items[0] != userItem)
{
this.Items.Remove(userItem);
this.Items.Insert(0, userItem);
bRefresh = true;
}
if (bRefresh)
{
this.Invalidate(userItem.Bounds);
}
UserChatControl chatCtrl = userItem.ChatControl;
if (chatCtrl == null)
{
//如果还没表示则先缓存一下
userItem.WaitDisplayMessages.Add(item);
}
else
{
chatCtrl.AddMessageItem(item, userItem.UserID == from.ID);
}
}
private void textBoxInput_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter && !e.Control)
{
if (!this.SendMessageEnabled)
{
return;
}
if (string.IsNullOrEmpty(textBoxInput.Text) ||
string.IsNullOrEmpty(textBoxInput.Text.Replace("\r", "").Replace("\n", "")))
{
//空或者只有空行不发送
return;
}
long id = User.SendTextMessage(Contacter, textBoxInput.Text);
Store.Models.Message m = new Store.Models.Message(MessageType.Text);
m.FromUserId = this.User.ID;
m.ToUserId = this.Contacter.ID;
m.Content = textBoxInput.Text;
m.Flag = true; //默认成功，后面按照失败结果设定为false
MessageListItem item = new MessageListItem();
item.State = MessageState.Sending;
item.ID = id;
item.Message = m;
item.User = this.User;
item.Save();
AddMessageItem(item, true);
textBoxInput.Text = "";
e.Handled = true;
OnSendMessage(m);
}
}
public void AddFileReceivingMessage(LanUser from, TransportFile file)
{
//保存记录
Store.Models.FileMessage m = new Store.Models.FileMessage();
m.FromUserId = from.ID;
m.ToUserId = this.OwnerUser.ID;
m.OriginFilePath = file.SavePath;
m.FileName = Path.GetFileName(file.SavePath);
m.FileLength = file.File.Length;
m.Flag = true; //默认成功，后面按照失败结果设定为false
MessageListItem item = new MessageListItem();
item.ID = file.ID;
item.Message = m;
item.User = from;
item.State = MessageState.Receiving;
//保存到数据库
item.Save();
AddMessageListItem(from, item);
}
protected override void OnItemHover(ItemHoverEventArgs args)
{
MessageListItem item = args.Item as MessageListItem;
Rectangle rect = item.Bounds;
foreach (DrawingObject dobj in item.DrawingObjects)
{
RectangleF drawingObjRect = dobj.Offset(rect.X, rect.Y);
switch (dobj.Type)
{
case DrawingObjectType.ProfilePhoto:
case DrawingObjectType.Image:
case DrawingObjectType.File:
{
//头像 鼠标变化
if (drawingObjRect.Contains(args.Location))
{
this.Cursor = Cursors.Hand;
return;
}
break;
}
case DrawingObjectType.TextBlock:
{
if (drawingObjRect.Contains(args.Location))
{
this.Cursor = Cursors.IBeam;
return;
}
break;
}
}
}
this.Cursor = Cursors.Default;
}
public void SetFileTransportProgress(TransportFile file)
{
UserListItem userItem = this[file.MAC];
UserChatControl chatCtrl = userItem.ChatControl;
MessageListItem item = null;
if (chatCtrl == null)
{
//如果还没表示则取出来
item = userItem.GetWaitDisplayMessageItem(file.ID);
}
else
{
item = chatCtrl.GetMessageItem(file.ID);
}
item.FileTransportedLength = file.TransportedLength;
item.FileTransportedSpeed = file.TransportedSpeed;
item.Progress = file.Progress;
if (file.Progress == 100)
{
//传输完毕
Store.Models.Message m = item.Message;
m.Flag = true;
item.Update();
item.State = MessageState.Received;
}
if (chatCtrl != null && file.MAC == this.SelectedUser.MAC)
{
//当前表示着，更新
chatCtrl.RefreshMessageList(item);
}
}
private void SendFile_Click(object sender, EventArgs e)
{
if (!this.SendMessageEnabled)
{
return;
}
using (OpenFileDialog ofd = new OpenFileDialog())
{
ofd.Filter = "所有文件|*.*";
if (ofd.ShowDialog(this) == DialogResult.OK)
{
string fileName = ofd.FileName;
long id = User.SendFile(Contacter, fileName);
//保存发送记录
Store.Models.FileMessage m = new Store.Models.FileMessage();
m.FromUserId = this.User.ID;
m.ToUserId = this.Contacter.ID;
m.OriginFilePath = fileName;
m.FileName = Path.GetFileName(fileName);
m.FileLength = LanFile.GetFileLength(fileName);
m.Flag = true; //默认成功，后面按照失败结果设定为false
MessageListItem item = new MessageListItem();
item.ID = id;
item.Message = m;
item.User = this.User;
item.State = MessageState.Sending;
item.Save();
AddMessageItem(item, true);
OnSendMessage(m);
}
}
}
internal void InitializeLatastMessage(List <MessageListItem> cacheWaitDisplayMessages)
{
long id = -1;
MessageListItem item = null;
if (messageListBox.Items.Count != 0)
{
item = messageListBox.Items[0] as MessageListItem;
id = item.Message.ID;
}
MessageHistoryMapper messageHistoryMapper = new MessageHistoryMapper();
List <Message> list = messageHistoryMapper.QueryUserLatestMessages(this.Contacter.ID, id);
List <MessageListItem> items = new List <MessageListItem>();
foreach (Message m in list)
{
//优先追加缓存中的数据
int index = -1;
if (cacheWaitDisplayMessages != null)
{
index = cacheWaitDisplayMessages.FindIndex((i) =>
{
if (i.Message.ID == m.ID)
{
return(true);
}
return(false);
}
);
}
if (index == -1)
{
item = new MessageListItem();
item.Message = m;
if (m.Flag)
{
if (m.FromUserId == User.ID)
{
item.State = MessageState.SendSuccess;
}
else
{
item.State = MessageState.Received;
}
}
else
{
if (m.FromUserId == User.ID)
{
item.State = MessageState.SendError;
}
else
{
item.State = MessageState.ReceiveError;
}
}
item.User = m.FromUserId == User.ID ? User : Contacter;
}
else
{
item = cacheWaitDisplayMessages[index];
cacheWaitDisplayMessages.RemoveAt(index);
}
items.Add(item);
}
if (cacheWaitDisplayMessages != null)
{
items.AddRange(cacheWaitDisplayMessages);
}
messageListBox.Items.InsertRange(0, items);
if (items.Count != 0)
{
//向上滚动取有记录的话，选中添加的最后1个
messageListBox.ScrollToBottom();
}
}
protected override void OnMeasureItem(UI.MeasureItemEventArgs args)
{
base.OnMeasureItem(args);
MessageListItem item = args.Item as MessageListItem;
Message m = item.Message;
Graphics g = args.Graphics;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
int x = MARGIN;
int y = MARGIN;
item.DrawingObjects.Clear();
//头像
DrawingObject dobj = new DrawingObject(DrawingObjectType.ProfilePhoto, new Rectangle(x, y, ICON_WIDTH, ICON_WIDTH));
item.DrawingObjects.Add(dobj);
//时间, 昵称，状态
x += ICON_WIDTH + MARGIN;
dobj = new DrawingObject(DrawingObjectType.Title, new Rectangle(x, y, this.ClientSize.Width - x, args.Font.Height));
item.DrawingObjects.Add(dobj);
y = MARGIN + args.Font.Height + MARGIN;
int height = y;
int width = 0;
if (m.Type == MessageType.Text)
{
width = item.Width - ICON_WIDTH - 3 * MARGIN;
//height = (int)g.MeasureString(m.Content, args.Font, width).Height;
List <StringPart> spList = StringMeasurer.Measure(g, args.Font, width, m.Content);
foreach (StringPart sp in spList)
{
Rectangle textRect = sp.Bounds;
textRect.X += x;
textRect.Y += y;
dobj = new DrawingObject(DrawingObjectType.TextBlock, textRect);
dobj.Tag = new TextBlockObj(sp);
item.DrawingObjects.Add(dobj);
height += sp.Bounds.Height;
}
}
else if (m.Type == MessageType.Image)
{
Image image = (m as ImageMessage).Image;
//对于一些过小的图片最小32，此时图片会画歪掉，算了就这样
width = Math.Max(32, (int)(1.0 * image.Width * PICTURE_THUMBNAIL_HEIGHT / image.Height));
width = Math.Min(width, this.ClientSize.Width - 64);//当然也不要超过当前宽度
dobj = new DrawingObject(DrawingObjectType.Image, new Rectangle(x, y, width, PICTURE_THUMBNAIL_HEIGHT));
item.DrawingObjects.Add(dobj);
height += PICTURE_THUMBNAIL_HEIGHT;
}
else if (m.Type == MessageType.File)
{
width = FILE_SEND_WIDTH;
dobj = new DrawingObject(DrawingObjectType.File, new Rectangle(x, y, width, FILE_SEND_HEIGHT));
item.DrawingObjects.Add(dobj);
height += FILE_SEND_HEIGHT;
}
item.Height = Math.Max(ICON_WIDTH + MARGIN, height) + MARGIN;
}
internal void SetSelectionEndItem(Point location)
{
if (!this.HasSelection)
{
return;
}
MessageListItem hoverItem = _owner.GetItemAtPosition(location) as MessageListItem;
if (hoverItem == null)
{
//鼠标移动到其他地方了，算了，不选了
this.Clear();
return;
}
if (hoverItem != this._selectingTextItem)
{
//当前的选择的不是上面一个
this.Clear();
return;
}
Rectangle rect = this._selectingTextItem.Bounds;
for (int i = 0; i < this._selectingTextItem.DrawingObjects.Count; i++)
{
DrawingObject dobj = this._selectingTextItem.DrawingObjects[i];
if (dobj.Type == DrawingObjectType.TextBlock)
{
Rectangle bounds = dobj.Offset(rect.X, rect.Y);
TextBlockObj tb = dobj.Tag as TextBlockObj;
if (bounds.Contains(location))
{
StringPart sp = tb.StringPart;
using (Graphics g = _owner.CreateGraphics())
{
tb.SelectionEnd = StringMeasurer.GetCharIndex(g, sp.Font, location.X - (int)dobj.X, sp.String);
this._selectEndDoIndex = i;
break;
}
}
}
}
//开始与结束直接的所有TextBlock都设定为全选中
int startIndex = Math.Min(this._selectStartDoIndex, this._selectEndDoIndex);
int endIndex = Math.Max(this._selectStartDoIndex, this._selectEndDoIndex);
List <TextBlockObj> selObj = new List <TextBlockObj>();
for (int i = startIndex; i <= endIndex; i++)
{
DrawingObject dobj = this._selectingTextItem.DrawingObjects[i];
if (dobj.Type == DrawingObjectType.TextBlock)
{
TextBlockObj tbObj = dobj.Tag as TextBlockObj;
if (this._selectStartDoIndex < this._selectEndDoIndex)
{
//从上往下选择时
if (i == this._selectStartDoIndex)
{
tbObj.SelectionEnd = tbObj.Length - 1;
}
else if (i == this._selectEndDoIndex)
{
tbObj.SelectionStart = 0;
}
}
else if (this._selectStartDoIndex > this._selectEndDoIndex)
{
//从下往上选择时
if (i == this._selectStartDoIndex)
{
tbObj.SelectionEnd = 0;
}
else if (i == this._selectEndDoIndex)
{
tbObj.SelectionStart = tbObj.Length - 1;
}
}
if (i != this._selectStartDoIndex && i != this._selectEndDoIndex)
{
tbObj.SelectAll();
}
selObj.Add(tbObj);
this._prevSelection.Remove(tbObj);
}
}
//清除选择
foreach (TextBlockObj item in this._prevSelection)
{
item.ClearSelection();
}
this._prevSelection = selObj;
}
internal void RefreshMessageList(MessageListItem item)
{
this.messageListBox.Invalidate(item);
}
protected override void OnDrawItem(UI.DrawItemEventArgs args)
{
MessageListItem item = args.Item as MessageListItem;
Message m = item.Message;
args.DrawBackground();
Graphics g = args.Graphics;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
Rectangle rect = item.Bounds;
Rectangle drawingObjRect;
Point pos = PointToClient(MousePosition);
foreach (DrawingObject dobj in item.DrawingObjects)
{
drawingObjRect = dobj.Offset(rect.X, rect.Y);
switch (dobj.Type)
{
//头像
case DrawingObjectType.ProfilePhoto:
{
g.DrawImage(ProfilePhotoPool.GetPhoto(item.User.ID), drawingObjRect);
if (drawingObjRect.Contains(pos))
{
g.DrawRectangle(IMAGE_BORDER_PEN_FOCUS, drawingObjRect.X, drawingObjRect.Y, drawingObjRect.Width, drawingObjRect.Height);
}
break;
}
//时间, 昵称，状态
case DrawingObjectType.Title:
{
string text = item.User.NickName + " " + m.Time.ToString("yyyy/MM/dd HH:mm:ss");
if (!m.Flag)
{
text += " 传送失败";
}
TextRenderer.DrawText(g, text,
args.Font, new Point((int)drawingObjRect.X, (int)drawingObjRect.Y)
, m.Flag ? SUCCESS_TITLE_COLOR : ERROR_TITLE_COLOR, TextFormatFlags.Left);
break;
}
//文本消息
case DrawingObjectType.TextBlock:
{
TextBlockObj tb = dobj.Tag as TextBlockObj;
StringPart sp = tb.StringPart;
int selStart = Math.Min(tb.SelectionStart, tb.SelectionEnd);
int selEnd = Math.Max(tb.SelectionStart, tb.SelectionEnd);
string str1 = selStart == -1 ? sp.String : sp.String.Substring(0, selStart);
string str2 = selStart == -1 ? "" : sp.String.Substring(selStart, tb.SelectionLength);
string str3 = selEnd == -1 ? "" : sp.String.Substring(selEnd + 1);
//选择前的文本
if (!string.IsNullOrEmpty(str1))
{
TextRenderer.DrawText(g, str1, sp.Font, new Point((int)drawingObjRect.X, (int)drawingObjRect.Y), args.ForeColor,
StringMeasurer.TextFormatFlags);
}
//选择中文本
if (!string.IsNullOrEmpty(str2))
{
int w1 = StringMeasurer.Width(g, sp.Font, str1, sp.TextFormatFlags);
int w2 = StringMeasurer.Width(g, sp.Font, str2, sp.TextFormatFlags);
drawingObjRect.X += w1;
drawingObjRect.Width = w2;
g.FillRectangle(BrushPool.GetBrush(TEXT_SELECTION_BACK_COLOR), drawingObjRect);
TextRenderer.DrawText(g, str2, sp.Font, new Point((int)drawingObjRect.X, (int)drawingObjRect.Y),
TEXT_SELECTION_FORE_COLOR, StringMeasurer.TextFormatFlags);
//选择后的文本
if (!string.IsNullOrEmpty(str3))
{
drawingObjRect.X += w2;
drawingObjRect.Width = dobj.Width - w1 - w2;
TextRenderer.DrawText(g, str3, sp.Font, new Point((int)drawingObjRect.X, (int)drawingObjRect.Y), args.ForeColor,
StringMeasurer.TextFormatFlags);
}
}
break;
}
case DrawingObjectType.Image:
{
Image image = (m as ImageMessage).Image;
g.DrawImage(image, drawingObjRect);
if (drawingObjRect.Contains(pos))
{
g.DrawRectangle(IMAGE_BORDER_PEN_FOCUS, drawingObjRect.X, drawingObjRect.Y, drawingObjRect.Width, drawingObjRect.Height);
}
else
{
g.DrawRectangle(IMAGE_BORDER_PEN, drawingObjRect.X, drawingObjRect.Y, drawingObjRect.Width, drawingObjRect.Height);
}
break;
}
case DrawingObjectType.File:
{
FileMessage fm = m as FileMessage;
//底背景
g.FillRectangle(Brushes.White, drawingObjRect);
if (drawingObjRect.Contains(pos))
{
g.DrawRectangle(IMAGE_BORDER_PEN_FOCUS, drawingObjRect.X, drawingObjRect.Y, drawingObjRect.Width, drawingObjRect.Height);
}
else
{
g.DrawRectangle(IMAGE_BORDER_PEN, drawingObjRect.X, drawingObjRect.Y, drawingObjRect.Width, drawingObjRect.Height);
}
//文件名，文件大小，ICON
Image image = FileIconPool.GetIcon(fm.OriginFilePath);
int imageWidth = 64;
int imageHeight = 64 * image.Height / image.Width;
Rectangle imageRect = new Rectangle(drawingObjRect.X + FILE_SEND_WIDTH - imageWidth - MARGIN, drawingObjRect.Y + MARGIN, imageWidth, FILE_SEND_HEIGHT - Font.Height - MARGIN * 3);
Rectangle fileNameRect = new Rectangle(drawingObjRect.X + MARGIN, drawingObjRect.Y + MARGIN, FILE_SEND_WIDTH - imageWidth - MARGIN * 3, FILE_SEND_HEIGHT - Font.Height - MARGIN * 3);
Rectangle fontRect = new Rectangle(drawingObjRect.X + MARGIN, drawingObjRect.Y + FILE_SEND_HEIGHT - Font.Height - MARGIN, FILE_SEND_WIDTH - MARGIN * 2, Font.Height);
Rectangle pieRect = new Rectangle(drawingObjRect.X + (FILE_SEND_WIDTH - PROGRESS_PIE_D) / 2, drawingObjRect.Y + (FILE_SEND_HEIGHT - PROGRESS_PIE_D) / 2, PROGRESS_PIE_D, PROGRESS_PIE_D);
Rectangle processRect = new Rectangle(drawingObjRect.X, drawingObjRect.Y + (FILE_SEND_HEIGHT - Font.Height * 2) / 2, FILE_SEND_WIDTH, Font.Height * 2);
//当文件名超过显示部分时，中间用省略号表示
string str = fm.FileName;
SizeF s = g.MeasureString(fm.FileName, Font, new System.Drawing.SizeF((float)fileNameRect.Width, (float)fileNameRect.Height), StringFormat.GenericDefault, out int count, out int lines);
if (s.Height >= fileNameRect.Height & str.Length >= count)
{
//由于会出现半行的情况，直接写死了所取的字符串数目
str = str.Substring(0, 36) + "・・・" + str.Substring(str.Length - 4);
}
g.DrawImage(image, imageRect.X, imageRect.Y, imageWidth, imageHeight);
g.DrawString(str, args.Font, Brushes.Black, fileNameRect);
TextRenderer.DrawText(g, LanFile.HumanReadbleLen(fm.FileLength), args.Font, fontRect, Color.FromArgb(0, 0, 0), TextFormatFlags.Left);
if (item.State == MessageState.Receiving ||
item.State == MessageState.Sending)
{
//接受进度
g.FillRectangle(MESSAGELIST_PROGRESS_BACKGROUND_BRUSH, drawingObjRect);
g.DrawPie(PROGRESS_PEN, pieRect, 0, 360);
g.FillPie(MESSAGELIST_PROGRESS_FILLED_BRUSH, pieRect, 0, 360 * item.Progress / 100);
//TODO 显示剩余时间，传输速度
TextRenderer.DrawText(g, item.Progress + "%" + "\r\n" + LanFile.HumanReadbleLen(item.FileTransportedLength) + "/" + LanFile.HumanReadbleLen(fm.FileLength),
args.Font, processRect, Color.FromArgb(0, 0, 0), TextFormatFlags.HorizontalCenter);
}
break;
}
}
}
}