void ContentMenuShow_MenuItemClicked(object sender, RoutedEventArgs e)
{
MenuItem mi = sender as MenuItem;
int flag = (int)mi.Tag;
if (flag == 1002)
{
canvasSpace.Children.Clear();
OnPrintControlPropertyEvent(null, null);
return;
}
else if (flag == 1003)
{
AddPrintCanvas a = new AddPrintCanvas(PrintLable);
a.Owner = App.Current.MainWindow;
a.ShowDialog();
if (a.DialogResult == true)
{
PrintLable = a.PrintLable;
AddOrUpdatePrintLable(PrintLable, false);
}
}
if (OnCanvasContentMenuEvent != null)
{
OnCanvasContentMenuEvent(sender, null);
}
}
public AddPrintCanvas(PrintLableModel printLable)
{
InitializeComponent();
if (printLable != null)
{
tbWidth.Text = ((printLable.Width * 127 / 1500.0)).ToString();
tbHeight.Text = ((printLable.Height * 127 / 1500.0)).ToString();
}
}
private void btnSure_Click(object sender, RoutedEventArgs e)
{
double result = 0;
PrintLable = new PrintLableModel();
if (string.IsNullOrWhiteSpace(tbWidth.Text))
{
MessageBox.Show("请填写Caption.");
return;
}
else
{
if (double.TryParse(tbWidth.Text, out result))
{
//300打印机 1dot=25.4/300mm
//203打印机 1dot=25.4/203mm
//将实际标签尺寸转成以打印机dot为单位的尺寸,即y=x*300/25.4
//这里生成的是y dot,但PrintLable.Width是WPF单位,实际界面呈现时会等比例放大或缩小z.
//幸运的是,并不影响使用,因为条码控件本身就是WPF类型控件,其界面呈现时与打印机单位相比也会等比例放大或缩小z.
//如果是200点的打印机,那么在这里更改缩放比例即可.即result * 203 / 25.4.
//就是说通过调整界面呈现大小,来适应不同打印设备.
PrintLable.Width = ((result * 1500 / 127.0));
}
else
{
MessageBox.Show("请正确填写标签Width.");
return;
}
}
if (string.IsNullOrWhiteSpace(tbHeight.Text))
{
MessageBox.Show("请填写Caption.");
return;
}
else
{
if (double.TryParse(tbHeight.Text, out result))
{
PrintLable.Height = ((result * 1500 / 127.0));
}
else
{
MessageBox.Show("请正确填写标签Height.");
return;
}
}
this.DialogResult = true;
}
private void AddOrUpdatePrintLable(PrintLableModel printLable, bool isAdd)
{
if (printLable != null)
{
if (isAdd)
{
canvasSpace.Children.Clear();
borderWork.Width = printLable.Width;
borderWork.Height = printLable.Height;
}
else
{
borderWork.Width = printLable.Width;
borderWork.Height = printLable.Height;
}
ZoomableCanvasScale = 4;
tbScale.Text = string.Format("{0}*", ScaleList[ZoomableCanvasScale]);
}
}
private void btnNew_Click(object sender, RoutedEventArgs e)
{
try
{
if (canvasSpace.Children.Count > 0 || xmlPath != string.Empty)
{
if (System.Windows.MessageBox.Show(string.Format("是否保存当前打印信息?"), "警告", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
if (string.IsNullOrWhiteSpace(xmlPath))
{
My.SaveFileDialog saveFileDialog = new My.SaveFileDialog();
saveFileDialog.Filter = "All(*.xml)|*.xml";
if (saveFileDialog.ShowDialog() == My.DialogResult.OK)
{
xmlPath = saveFileDialog.FileName;
}
else
{
return;
}
}
SaveInterfaceToXML(xmlPath);
}
}
xmlPath = string.Empty;
AddPrintCanvas a = new AddPrintCanvas(null);
a.Owner = App.Current.MainWindow;
a.ShowDialog();
if (a.DialogResult == true)
{
PrintLable = a.PrintLable;
AddOrUpdatePrintLable(PrintLable, true);
}
}
catch (Exception ex)
{
System.Windows.MessageBox.Show(string.Format("新建异常:{0}", ex.Message));
}
}
