/// <summary>
/// 从一个文件里加载所有的信区对象
/// </summary>
/// <param name="sFileName"></param>
/// <returns></returns>
public static MailArea[] LoadAreasFromFile(string sFileName)
{
ArrayList alAreas = new ArrayList(30);
FileStream fs;
try
{
fs = new FileStream(sFileName, FileMode.Open, FileAccess.Read);
}
catch
{
return(null);
}
BinaryReader br = new BinaryReader(fs);
fs.Seek(6, SeekOrigin.Begin);
//读信区
while (fs.Position < fs.Length)
{
MailArea m = new MailArea(br);
if (m != null)
{
alAreas.Add(m);
}
}
br.Close();
MailArea[] arMailAreas = new MailArea[alAreas.Count];
alAreas.CopyTo(arMailAreas);
return(arMailAreas);
}
/// <summary>
/// 切换当前信区
/// </summary>
/// <param name="iIndex"></param>
private void ChangeCurrentAreaTo(int iIndex)
{
if (this.iCurrentArea == iIndex)
{
return;
}
if (this.lvArea.Items.Count <= iIndex)
{
return;
}
if (this.lvArea.Items[iIndex].Tag == null)
{
return;
}
// 更新查找书签
this.iFindRecord = 0;
this.iFindArea = iIndex;
this.iCurrentArea = iIndex;
// 滚动ＬＩＳＴ
this.lvArea.SelectedItems.Clear();
this.lvArea.Items[iIndex].Selected = true;
this.lvArea.EnsureVisible(this.iCurrentArea);
this.Cursor = Cursors.WaitCursor;
this.lvMail.Items.Clear();
MailArea m = (MailArea)this.lvArea.Items[iIndex].Tag;
this.arCurrentMails = m.LoadMails();
if (this.arCurrentMails == null || this.arCurrentMails.Length == 0)
{
ListViewItem lvi = this.lvMail.Items.Add("空信区");
this.Cursor = Cursors.Default;
return;
}
for (int i = 0; i < this.arCurrentMails.Length; i++)
{
JamMail jm = this.arCurrentMails[i];
ListViewItem lvi = this.lvMail.Items.Add(jm.sFrom);
lvi.SubItems.Add(jm.sTo);
lvi.SubItems.Add(jm.sSubject);
lvi.SubItems.Add(jm.uSize.ToString("#,0"));
lvi.SubItems.Add(jm.dtSendTime.ToString());
lvi.SubItems.Add(jm.dtReciveTime.ToString());
lvi.Tag = jm;
}
this.Cursor = Cursors.Default;
}
private void mnOpenJam_Click(object sender, System.EventArgs e)
{
OpenFileDialog fd = new OpenFileDialog();
fd.Title = "请选择GECHO信区设置文件";
fd.FileName = "AREAFILE.GE";
fd.Filter = "GECHO信区设置文件AREAFILE.GE|AREAFILE.GE";
if (DialogResult.OK != fd.ShowDialog())
{
return;
}
// 打开信包
MailArea[] Areas = MailArea.LoadAreasFromFile(fd.FileName);
if (Areas == null || Areas.Length == 0)
{
MessageBox.Show("打开信区配置文件出错！或是没有配置任何信区．");
return;
}
this.GEchoFile = fd.FileName;
// 试着打开第一个文件
if (!File.Exists(Areas[0].sFullPathName))
{
MessageBox.Show("没有找到信区配置里指定的文件，可能是因为计算机环境的改变引起的，您可以手工指定信包文件．");
fd.Title = "请选择指定的信包文件";
fd.FileName = Areas[0].sFileName + ".JHR";
fd.Filter = "信包文件" + Areas[0].sFileName + ".JHR|" + Areas[0].sFileName + ".JHR";
if (DialogResult.OK != fd.ShowDialog())
{
MessageBox.Show("由于没有打到信包文件，信区无法打开");
return;
}
// 找出信包文件的路径
string sPath = fd.FileName.Substring(0, fd.FileName.LastIndexOfAny(new char[] { '\\', ':' }) + 1);
this.JamPath = sPath;
this.OpenJam();
}
return;
}
private void OpenJam()
{
this.Cursor = Cursors.WaitCursor;
MailArea[] Areas = MailArea.LoadAreasFromFile(this.GEchoFile);
if (Areas == null)
{
MessageBox.Show("打不开你指出的GECHO设置文件! 请您再指定一下");
this.mnOpenJam_Click(null, null);
return;
}
this.lvArea.Items.Clear();
for (int i = 0; i < Areas.Length; i++)
{
Areas[i].ChangePath(this.JamPath);
Areas[i].LoadAreaInfo();
ListViewItem lvi = this.lvArea.Items.Add(Areas[i].sAreaname);
lvi.SubItems.Add(Areas[i].sDes);
lvi.SubItems.Add(Areas[i].lMailCount.ToString("#,0"));
lvi.Tag = Areas[i];
}
this.Cursor = Cursors.Default;
}
private void mnFindNext_Click(object sender, System.EventArgs e)
{
string sFindText = this.frmFind.txtFindText.Text;
if (this.frmFind.chkNoCase.Checked)
{
sFindText = sFindText.ToLower();
}
bool bFound = false;
int i = 0, j;
int iEndArea = this.frmFind.chkAllArea.Checked ?
this.lvArea.Items.Count - 1: this.iFindArea;
for (j = this.iFindArea; j < iEndArea; j++)
{
MailArea m = (MailArea)this.lvArea.Items[j].Tag;
JamMail [] jms;
// 如果是当前信区，那么不需要再读文件了．
if (this.iCurrentArea != j)
{
jms = m.LoadMails();
}
else
{
jms = this.arCurrentMails;
}
if (jms == null)
{
continue;
}
#region look up a mail in a area
for (i = this.iFindRecord; i < jms.Length; i++)
{
JamMail jm = (JamMail)jms[i];
bFound = jm.FindText(
this.frmFind.txtFindText.Text,
this.frmFind.chkFrom.Checked,
this.frmFind.chkTo.Checked,
this.frmFind.chkSubject.Checked,
this.frmFind.chkContent.Checked,
this.frmFind.chkNoCase.Checked,
false
);
if (bFound)
{
// 找到了．
break;
}
}
if (bFound)
{
break;
}
else
{
// 从下个区的开始找．
this.iFindRecord = 0;
}
#endregion
}
if (!bFound)
{
MessageBox.Show("没有了．");
return;
}
// 要切换到找到的信区和信里．
if (j != this.iCurrentArea)
{
//不是当前区，要切换到Ｊ信区里
this.ChangeCurrentAreaTo(j);
}
this.lvMail.SelectedItems.Clear();
this.lvMail.Items[i].Selected = true;
this.ShowCurrentMail();
this.lvMail.Items[i].EnsureVisible();
this.txtContent.Focus();
}