private void InitDrawEquip(EquipType equipType)
{
if (drawItem != null)
{
canvas.Children.Remove(drawItem as UCEquipIcon);
drawItem = null;
}
UCEquipIcon ucEquip = new UCEquipIcon();
Binding bindWidth = new Binding()
{
Path = new PropertyPath("UCEquipLength"), Source = this
};
bindWidth.Converter = new PicWidthToUCWidthConverter();
Binding bindHeight = new Binding()
{
Path = new PropertyPath("UCEquipLength"), Source = this
};
bindHeight.Converter = new PicHeightToUCHeightConverter();
ucEquip.SetBinding(UCEquipIcon.WidthProperty, bindWidth);
ucEquip.SetBinding(UCEquipIcon.HeightProperty, bindHeight);
Equipment equip = new Equipment();
ucEquip.Equip = equip;
equip.Type = equipType;
ucEquip.Visibility = Visibility.Hidden;
drawItem = ucEquip;
canvas.Children.Add(ucEquip as UCEquipIcon);
}
/// <summary>
/// 根据设备类信息和上个设备图标信息来生成本设备图标并定位
/// </summary>
/// <param name="equip"></param>
/// <param name="ucLastEquip"></param>
/// <returns></returns>
private UCEquipIcon GetUCEquipIcon(Equipment equip)
{
//将图标长宽绑定到程序设置的UCEquipLength变量上来，这个变量后面可以让用户调节
Binding bindWidth = new Binding()
{
Path = new PropertyPath("UCEquipLength"), Source = this
};
bindWidth.Converter = new PicWidthToUCWidthConverter();
Binding bindHeight = new Binding()
{
Path = new PropertyPath("UCEquipLength"), Source = this
};
bindHeight.Converter = new PicHeightToUCHeightConverter();
//图标控件的坐标绑定到设备类的坐标上
Binding bindX = new Binding {
Path = new PropertyPath("X"), Source = equip, Mode = BindingMode.TwoWay
};
Binding bindY = new Binding {
Path = new PropertyPath("Y"), Source = equip, Mode = BindingMode.TwoWay
};
//图标控件的中心点绑定到设备类的坐标上
Binding bindCenterX = new Binding {
Path = new PropertyPath("X"), Source = equip
};
bindCenterX.Converter = new PointToCenterPointConverter();
bindCenterX.ConverterParameter = ucEquipLength;
Binding bindCenterY = new Binding {
Path = new PropertyPath("Y"), Source = equip
};
bindCenterY.Converter = new PointYToCenterPointYConverter();
bindCenterY.ConverterParameter = ucEquipLength;
UCEquipIcon ucEquipIcon = null;
this.Dispatcher.Invoke(new Action(() =>
{
ucEquipIcon = new UCEquipIcon();
ucEquipIcon.SetBinding(UCEquipIcon.WidthProperty, bindWidth);
ucEquipIcon.SetBinding(UCEquipIcon.HeightProperty, bindHeight);
ucEquipIcon.SetBinding(Canvas.LeftProperty, bindX);
ucEquipIcon.SetBinding(Canvas.TopProperty, bindY);
ucEquipIcon.SetBinding(UCEquipIcon.CenterPointXProperty, bindCenterX);
ucEquipIcon.SetBinding(UCEquipIcon.CenterPointYProperty, bindCenterY);
canvas.Children.Add(ucEquipIcon);
}));
//图标控件和设备类互相引用
ucEquipIcon.Equip = equip;
equip.UCEquipIcon = ucEquipIcon;
//图标控件的属性和事件
ucEquipIcon.MouseLeftButtonDown += new MouseButtonEventHandler(ucEquip_MouseLeftButtonDown);
ucEquipIcon.MouseMove += new MouseEventHandler(ucEquip_MouseMove);
ucEquipIcon.MouseLeftButtonUp += new MouseButtonEventHandler(ucEquip_MouseLeftButtonUp);
ucEquipIcon.MouseRightButtonDown += new MouseButtonEventHandler(ucEquip_MouseRightButtonDown);
return(ucEquipIcon);
}