void menu_newItem_Click(object sender, EventArgs e)
{
int index = -1;
if (this.listView1.SelectedIndices.Count > 0)
{
index = this.listView1.SelectedIndices[0];
}
TwoStringDialog dlg = new TwoStringDialog();
REDO:
dlg.ShowDialog(this);
if (dlg.DialogResult == System.Windows.Forms.DialogResult.Cancel)
{
return;
}
ListViewItem dup = ListViewUtil.FindItem(this.listView1, dlg.SourceString, 0);
if (dup != null)
{
MessageBox.Show(this, "源字符串为 '" + dlg.SourceString + "' 的事项在列表中已经存在了，不允许重复。请修改");
goto REDO;
}
ListViewItem item = new ListViewItem();
ListViewUtil.ChangeItemText(item, 0, dlg.SourceString);
ListViewUtil.ChangeItemText(item, 1, dlg.TargetString);
if (index == -1)
{
this.listView1.Items.Add(item);
}
else
{
this.listView1.Items.Insert(index, item);
}
ListViewUtil.ClearSelection(this.listView1);
ListViewUtil.SelectLine(item, true);
}
void menu_modifyItem_Click(object sender, EventArgs e)
{
string strError = "";
if (this.listView1.SelectedItems.Count == 0)
{
strError = "尚未选择要修改的事项";
goto ERROR1;
}
ListViewItem item = this.listView1.SelectedItems[0];
TwoStringDialog dlg = new TwoStringDialog();
dlg.SourceString = ListViewUtil.GetItemText(item, 0);
dlg.TargetString = ListViewUtil.GetItemText(item, 1);
REDO:
dlg.ShowDialog(this);
if (dlg.DialogResult == System.Windows.Forms.DialogResult.Cancel)
{
return;
}
ListViewItem dup = ListViewUtil.FindItem(this.listView1, dlg.SourceString, 0);
if (dup != null && dup != item)
{
MessageBox.Show(this, "源字符串为 '" + dlg.SourceString + "' 的事项在列表中已经存在了，不允许重复。请修改");
goto REDO;
}
ListViewUtil.ChangeItemText(item, 0, dlg.SourceString);
ListViewUtil.ChangeItemText(item, 1, dlg.TargetString);
return;
ERROR1:
MessageBox.Show(this, strError);
}