/// <summary>
/// 通过车辆找到TreeViewData
/// </summary>
/// <param name="car"></param>
/// <returns></returns>
public SLTreeViewItem GeTreeViewItemByCar(SLCar car)
{
if (car == null)
{
return(null);
}
SLTreeViewItem rItem = null;
if (HasItems)
{
foreach (SLTreeViewItem x in Items)
{
if (x.DataCar != null && x.DataCar == car)
{
rItem = x;
break;
}
rItem = x.GeTreeViewItemByCar(car);
if (rItem != null)
{
break;
}
}
return(rItem);
}
else
{
return(rItem);
}
}
/// <summary>
/// 展开车辆
/// </summary>
/// <param name="car"></param>
public void ExpandCar(SLCar car)
{
SLTreeViewItem data = RootTreeViewItem.GeTreeViewItemByCar(car);
if (data != null)
{
var datas = data.GeTreeViewItemParents(false);
if (!datas.Any())
{
return;
}
//datas.ForEach(x => x.IsExpanded = true);
tv.ExpandPath(datas);
tv.SelectItem(data);
if (tv.SelectedItem == null || tv.SelectedItem != data)
{
DispatcherTimer timer = new DispatcherTimer();
timer.Tick += (sender, args) =>
{
tv.SelectItem(data);
if (tv.SelectedItem != null && tv.SelectedItem == data)
{
timer.Stop();
timer = null;
}
};
timer.Interval = new TimeSpan(0, 0, 0, 0, 300);
timer.Start();
}
}
}
/// <summary>
/// 双击事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void SLTreeViewItem_DoubleClicked(object sender, EventArgs e)
{
SLTreeViewItem item = (SLTreeViewItem)sender;
if (!item.IsUnitNode)
{
if (CarDoubleClicked != null)
{
CarDoubleClicked(item.DataCar);
}
}
}
/// <summary>
/// 选择改变事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void tv_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
SLTreeViewItem item = e.NewValue as SLTreeViewItem;
SLCar car = null;
if (item != null)
{
car = item.DataCar;
}
if (SelectedCarChanged != null)
{
SelectedCarChanged(car);
}
}
void InitEvent()
{
RootTreeViewItem = SLTreeViewItem.CreateRootTreeViewItem();
RootTreeViewItem.CarCountChanged += (x, y) =>
{
if (CarCountChanged != null)
{
CarCountChanged(RootTreeViewItem.CarCount, RootTreeViewItem.CarOnlineCount);
}
};
SLTreeViewItem.CheckedCarChanged += SLTreeViewData_CheckedCarChanged;
SLTreeViewItem.DoubleClicked += SLTreeViewItem_DoubleClicked;
tv.SetBinding(TreeView.ItemsSourceProperty, new Binding("Items"));
tv.DataContext = RootTreeViewItem;//数据源设置
tv.SelectedItemChanged += tv_SelectedItemChanged;
}
/// <summary>
/// 选中改变事件
/// </summary>
/// <param name="car"></param>
/// <param name="isAdd"></param>
void SLTreeViewData_CheckedCarChanged(SLTreeViewItem item, SLCar car, bool isAdd)
{
if (isAdd)
{
if (!_checkedCars.ContainsKey(car))
{
_checkedCars.Add(car, item);
}
}
else
{
if (_checkedCars.ContainsKey(car))
{
_checkedCars.Remove(car);
}
}
}
/// <summary>
/// 选中当前选择的节点
/// </summary>
public void CheckedSelectedItem()
{
if (tv.SelectedItem != null)
{
SLTreeViewItem item = (SLTreeViewItem)tv.SelectedItem;
if (item.IsUnitNode)
{
return;
}
foreach (KeyValuePair <SLCar, SLTreeViewItem> keyValuePair in _checkedCars.ToArray())
{
if (keyValuePair.Value.Checked)
{
keyValuePair.Value.Checked = false;
}
}
item.Checked = true;
}
}
private void FillUnitCars(List <UNIT> units, List <SLCar> cars, SLTreeViewItem treeItem)
{
try
{
var tmpunits = units.Where(x => x.PID == treeItem.DataUnit.UNITID).ToList();
if (tmpunits.Any())
{//有下级单位
tmpunits.Sort((a, b) => string.Compare(a.UNITNAME, b.UNITNAME, StringComparison.CurrentCulture));
foreach (var u in tmpunits)
{
units.Remove(u);
int childrenunitcount = units.Count(x => x.PID == u.UNITID);
var carlist = cars.Where(x => x.UNITID == u.UNITID).ToList(); //查找该单位下的车辆
int carCount = carlist.Count;
if (childrenunitcount == 0 && carCount == 0)
{
continue;
}
SLTreeViewItem data = new SLTreeViewItem()
{
BrowseMode = BrowseMode,
DataUnit = u,
Text = u.UNITNAME,
ParentTreeViewItem = treeItem,
CarState = CarState.NoStatus
};
FillUnitCars(units, cars, data); //递归寻找下级单位
if (carCount > 0) //有车辆
{
carlist.Sort((a, b) => String.Compare(a.LICENSE, b.LICENSE, StringComparison.CurrentCulture));
foreach (SLCar car in carlist)
{
cars.Remove(car);
SLTreeViewItem cardata = new SLTreeViewItem
{
BrowseMode = BrowseMode,
Text = car.LICENSE,
ParentTreeViewItem = data,
CarState = CarState.OffLine,
CarCount = 1
};
cardata.DataCar = car;
data.Items.Add(cardata);
}
}
data.CarCount += carCount;
data.ExtensionText = string.Format(unitFormatStr, data.CarCount, data.CarOnlineCount);
treeItem.CarCount += data.CarCount;
if (data.CarCount != 0)
{
treeItem.Items.Add(data);
}
//treeItem.ExtensionText = string.Format(unitFormatStr, CarCount, CarOnlineCount);
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
