private void AddItemToRoot(ISolutionItem item)
{
var viewModel = new SolutionItemViewModel(itemNameRegistry, item);
_itemToViewmodel.Add(item, viewModel);
Root.Add(viewModel);
}
private void AddItem(ISolutionItem item)
{
var viewModel = new SolutionItemViewModel(itemNameRegistry, item, this);
_children.Add(viewModel);
_itemToViewmodel.Add(item, viewModel);
}
public void Drop(IDropInfo dropInfo)
{
SolutionItemViewModel sourceItem = dropInfo.Data as SolutionItemViewModel;
SolutionItemViewModel targetItem = dropInfo.TargetItem as SolutionItemViewModel;
if (sourceItem == null)
{
return;
}
var prevPosition = 0;
var sourceList = sourceItem.Parent == null ? solutionManager.Items : sourceItem.Parent.Item.Items;
SolutionItemViewModel destListOwner = dropInfo.DropTargetAdorner == DropTargetAdorners.Highlight
? targetItem
: targetItem?.Parent;
var destList = destListOwner?.Item?.Items ?? solutionManager.Items;
while (destListOwner != null)
{
if (sourceItem.Item == destListOwner.Item)
{
return;
}
destListOwner = destListOwner.Parent;
}
prevPosition = sourceList.IndexOf(sourceItem.Item);
if (prevPosition >= 0)
{
sourceList.RemoveAt(prevPosition);
}
if (dropInfo.DropTargetAdorner == DropTargetAdorners.Highlight)
{
targetItem.AddViewModel(sourceItem);
targetItem.Item.Items.Add(sourceItem.Item);
}
else
{
if (targetItem == null || targetItem.Parent == null)
{
itemToViewmodel[sourceItem.Item] = sourceItem;
}
else
{
targetItem.Parent.AddViewModel(sourceItem);
}
int destPosition = dropInfo.InsertIndex;
if (destList == sourceList && dropInfo.InsertIndex >= prevPosition)
{
destPosition--;
}
destList.Insert(Math.Clamp(destPosition, 0, destList.Count), sourceItem.Item);
}
}
public SolutionExplorerViewModel(IUnityContainer unity, ISolutionManager solutionManager, IEventAggregator ea)
{
_unity = unity;
_solutionManager = solutionManager;
_ea = ea;
_firstGeneration = new ObservableCollection<SolutionItemViewModel>();
foreach (var item in _solutionManager.Items)
{
Root.Add(new SolutionItemViewModel(item));
}
_solutionManager.Items.CollectionChanged += (sender, args) =>
{
foreach (var obj in args.NewItems)
{
Root.Add(new SolutionItemViewModel(obj as ISolutionItem));
}
};
AddItem = new DelegateCommand(() =>
{
ISolutionItem item = _unity.Resolve<INewItemService>().GetNewSolutionItem();
if (item != null)
{
if (_selected == null)
unity.Resolve<ISolutionManager>().Items.Add(item);
else
_selected.Item.Items.Add(item);
}
});
SelectedItemChangedCommand = new DelegateCommand<SolutionItemViewModel>((ob) =>
{
_selected = ob;
});
RequestOpenItem = new DelegateCommand<SolutionItemViewModel>((item) =>
{
if (!item.IsContainer)
_ea.GetEvent<EventRequestOpenItem>().Publish(item.Item);
});
GenerateSQL = new DelegateCommand(() =>
{
if (_selected != null)
{
MetaSolutionSQL solution = new MetaSolutionSQL(_selected.Item.ExportSql);
_ea.GetEvent<EventRequestOpenItem>().Publish(solution);
}
});
}
private void AddItemToRoot(ISolutionItem item, int index = -1)
{
if (!_itemToViewmodel.TryGetValue(item, out var viewModel))
{
viewModel = new SolutionItemViewModel(itemNameRegistry, item);
_itemToViewmodel[item] = viewModel;
}
else
{
viewModel.Parent = null;
}
Root.Insert(index < 0 ? Root.Count : index, viewModel);
}
public void DragOver(IDropInfo dropInfo)
{
SolutionItemViewModel sourceItem = dropInfo.Data as SolutionItemViewModel;
SolutionItemViewModel targetItem = dropInfo.TargetItem as SolutionItemViewModel;
if (sourceItem != null)
{
bool highlight = dropInfo.InsertPosition.HasFlag(RelativeInsertPosition.TargetItemCenter) &&
(targetItem?.IsContainer ?? false);
dropInfo.DropTargetAdorner = highlight ? DropTargetAdorners.Highlight : DropTargetAdorners.Insert;
dropInfo.Effects = DragDropEffects.Move;
}
}
private void DeleteSolutionItem(SolutionItemViewModel item)
{
if (item.Parent == null)
{
this.solutionManager.Items.Remove(item.Item);
}
else
{
item.Parent.Item.Items?.Remove(item.Item);
}
if (item == SelectedItem)
{
SelectedItem = null;
}
}
public SolutionItemViewModel(ISolutionItem item, SolutionItemViewModel parent)
{
_item = item;
_parent = parent;
if (item.Items != null)
{
_children = new ObservableCollection <SolutionItemViewModel>(
(from child in item.Items
select new SolutionItemViewModel(child, this))
.ToList());
item.Items.CollectionChanged += (sender, args) =>
{
foreach (object t in args.NewItems)
{
_children.Add(new SolutionItemViewModel(t as ISolutionItem, this));
}
};
}
}
public SolutionItemViewModel(ISolutionItemNameRegistry itemNameRegistry, ISolutionItem item, SolutionItemViewModel parent)
{
this.itemNameRegistry = itemNameRegistry;
Item = item;
Parent = parent;
itemToViewmodel = new Dictionary <ISolutionItem, SolutionItemViewModel>();
if (item.Items != null)
{
Children = new ObservableCollection <SolutionItemViewModel>();
foreach (object obj in item.Items)
{
AddItem(obj as ISolutionItem);
}
item.Items.CollectionChanged += (sender, args) =>
{
if (args.NewItems != null)
{
var i = 0;
foreach (object obj in args.NewItems)
{
AddItem(obj as ISolutionItem, args.NewStartingIndex + i);
}
}
if (args.OldItems != null)
{
foreach (object obj in args.OldItems)
{
ISolutionItem solutionItem = obj as ISolutionItem;
Children.Remove(itemToViewmodel[solutionItem]);
itemToViewmodel.Remove(solutionItem);
}
}
};
}
}
public SolutionExplorerViewModel(ISolutionItemNameRegistry itemNameRegistry,
ISolutionManager solutionManager,
IEventAggregator ea,
INewItemService newItemService,
IStatusBar statusBar,
ISolutionItemSqlGeneratorRegistry sqlGeneratorRegistry)
{
this.itemNameRegistry = itemNameRegistry;
_solutionManager = solutionManager;
_ea = ea;
_statusBar = statusBar;
_firstGeneration = new ObservableCollection <SolutionItemViewModel>();
_itemToViewmodel = new Dictionary <ISolutionItem, SolutionItemViewModel>();
foreach (var item in _solutionManager.Items)
{
AddItemToRoot(item);
}
_solutionManager.Items.CollectionChanged += (sender, args) =>
{
if (args.NewItems != null)
{
int i = 0;
foreach (var obj in args.NewItems)
{
AddItemToRoot(obj as ISolutionItem, args.NewStartingIndex + i);
i++;
}
}
if (args.OldItems != null)
{
foreach (var obj in args.OldItems)
{
var solutionItem = obj as ISolutionItem;
Root.Remove(_itemToViewmodel[solutionItem]);
_itemToViewmodel.Remove(solutionItem);
}
}
};
AddItem = new DelegateCommand(() =>
{
ISolutionItem item = newItemService.GetNewSolutionItem();
if (item != null)
{
if (_selected == null)
{
solutionManager.Items.Add(item);
}
else
{
_selected.Item.Items.Add(item);
}
}
});
RemoveItem = new DelegateCommand(() =>
{
if (_selected != null)
{
if (_selected.Parent == null)
{
_solutionManager.Items.Remove(_selected.Item);
}
else
{
_selected.Parent.Item.Items.Remove(_selected.Item);
}
}
});
SelectedItemChangedCommand = new DelegateCommand <SolutionItemViewModel>((ob) =>
{
_selected = ob;
});
RequestOpenItem = new DelegateCommand <SolutionItemViewModel>((item) =>
{
if (item != null && !item.IsContainer)
{
_ea.GetEvent <EventRequestOpenItem>().Publish(item.Item);
}
});
GenerateSQL = new DelegateCommand(() =>
{
if (_selected != null)
{
MetaSolutionSQL solution = new MetaSolutionSQL(sqlGeneratorRegistry.GenerateSql(_selected.Item));
_ea.GetEvent <EventRequestOpenItem>().Publish(solution);
}
});
}
public SolutionExplorerViewModel(ISolutionItemNameRegistry itemNameRegistry,
ISolutionManager solutionManager,
IEventAggregator ea,
ISolutionSqlService solutionSqlService,
INewItemService newItemService,
IStatusBar statusBar)
{
this.itemNameRegistry = itemNameRegistry;
this.solutionManager = solutionManager;
this.ea = ea;
this.statusBar = statusBar;
Root = new ObservableCollection <SolutionItemViewModel>();
itemToViewmodel = new Dictionary <ISolutionItem, SolutionItemViewModel>();
foreach (ISolutionItem item in this.solutionManager.Items)
{
AddItemToRoot(item);
}
this.solutionManager.Items.CollectionChanged += (sender, args) =>
{
if (args.NewItems != null)
{
var i = 0;
foreach (object obj in args.NewItems)
{
AddItemToRoot(obj as ISolutionItem, args.NewStartingIndex + i);
i++;
}
}
if (args.OldItems != null)
{
foreach (object obj in args.OldItems)
{
ISolutionItem solutionItem = obj as ISolutionItem;
Root.Remove(itemToViewmodel[solutionItem]);
itemToViewmodel.Remove(solutionItem);
}
}
};
AddItem = new DelegateCommand(async() =>
{
ISolutionItem item = await newItemService.GetNewSolutionItem();
if (item != null)
{
if (selected == null || selected.Item.Items == null)
{
solutionManager.Items.Add(item);
}
else
{
selected.Item.Items.Add(item);
}
}
});
RemoveItem = new DelegateCommand(() =>
{
if (selected != null)
{
if (selected.Parent == null)
{
this.solutionManager.Items.Remove(selected.Item);
}
else
{
selected.Parent.Item.Items.Remove(selected.Item);
}
}
});
SelectedItemChangedCommand = new DelegateCommand <SolutionItemViewModel>(ob => { selected = ob; });
RequestOpenItem = new DelegateCommand <SolutionItemViewModel>(item =>
{
if (item != null && !item.IsContainer)
{
this.ea.GetEvent <EventRequestOpenItem>().Publish(item.Item);
}
});
GenerateSQL = new DelegateCommand(() =>
{
if (selected != null)
{
solutionSqlService.OpenDocumentWithSqlFor(selected.Item);
}
});
}
