private void LoadTree()
{
FolderEntityIndex rootFolder = new FolderEntityIndex(new WindowFolderEntity()
{
Id = String.Empty,
Name = Language.Current.ExplorerView_RootFolder
});
rootFolder.Items = _windowArchive.GetIndexList();
_navigationTreeController.DataBind(rootFolder);
}
private void InitCommands()
{
#region Commands
_addFolderCommand = new AddFolderCommand()
{
GetArgumentHandler = () =>
{
FolderEntityIndex folderEntityIndex = _currentFolder;
return(folderEntityIndex.Folder);
}
};
_addWindowCommand = new AddWindowCommand()
{
CanExcuteHandler = () =>
{
return(_currentFolder != null);
},
GetArgumentHandler = () =>
{
FolderEntityIndex folderEntityIndex = _currentFolder;
return(folderEntityIndex.Folder);
}
};
_editCommand = new EditCommand()
{
CanExcuteHandler = () =>
{
return(_controller.SelectedItemsCount == 1);
},
GetArgumentHandler = () =>
{
return(_controller.GetSelectedItem <IEntityIndex>());
}
};
_deleteCommand = new DeleteCommand()
{
CanExcuteHandler = () =>
{
return(_controller.SelectedItemsCount > 0);
},
GetArgumentHandler = () =>
{
return(_controller.GetSelectedItems <IEntityIndex>());
}
};
#endregion
}
/// <summary>
/// 绑定数据
/// currentType 表示当前列表中显示的数据的类型，这个不能从contextData上取，因为contextData可能是个ToolStripItemFolder之类
/// listType是当前显示的list中的数据的类型
/// contextData是list所属对象（当前列表中的文件夹，窗体的父级文件夹）
/// </summary>
/// <param name="list"></param>
/// <param name="type"></param>
/// <param name="contextData"></param>
public void DataBind(Type dataType, IList list, Type listType, object contextData)
{
//目前，还有可能是 WindowEntityIndex
if (contextData is FolderEntityIndex)
{
_currentFolder = (FolderEntityIndex)contextData;
}
else
{
_currentFolder = null;
}
_controller.DataBind(list, listType, contextData);
}
private void dataGridViewForms_CellMouseDoubleClick(object sender, DataGridViewCellMouseEventArgs e)
{
if (e.RowIndex < 0)
{
return;
}
IEntityIndex entityIndex = (IEntityIndex)dataGridViewForms.SelectedRows[0].DataBoundItem;
if (entityIndex is FolderEntityIndex)
{
FolderEntityIndex folderIndex = (FolderEntityIndex)entityIndex;
this.Folder = folderIndex.Folder;
}
}
//此处需要把Folder封装在Index里面了
/// <summary>
/// 获取指定目录下的目录和窗体的Index集合
/// 如果folderId为空串，则从根目录获取
/// 目录将进行递归，将获取所有子目录下的目录和窗体
/// </summary>
/// <param name="folderId"></param>
/// <returns></returns>
public List <IEntityIndex> GetIndexList(string folderId)
{
List <IEntityIndex> list = new List <IEntityIndex>();
foreach (XElement element in _indexXml.XPathSelectElements(
String.Format(XPATH_Index_SelectFolder_ByParentId, folderId)))
{
FolderEntityIndex entity = new FolderEntityIndex();
entity.FromXml(element.ToString());
entity.Items = GetIndexList(entity.Id);
list.Add(entity);
}
list.AddRange(GetWindowIndexList(folderId));
return(list);
}
/// <summary>
/// 清除列，数据源，上下文相关数据
/// </summary>
public void Clear()
{
_controller.Clear();
_currentFolder = null;
}
private void InitCommands()
{
#region Commands
_addFolderCommand = new AddFolderCommand()
{
GetArgumentHandler = () =>
{
FolderEntityIndex folderEntityIndex =
_navigationTreeController.GetSelectedData <FolderEntityIndex>(true);
return(folderEntityIndex.Folder);
}
};
_editFolderCommand = new EditFolderCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <FolderEntityIndex>() != null);
},
GetArgumentHandler = () =>
{
FolderEntityIndex folderEntityIndex =
_navigationTreeController.GetSelectedData <FolderEntityIndex>(true);
return(folderEntityIndex.Folder);
}
};
_deleteFolderCommand = new DeleteFolderCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <FolderEntityIndex>() != null);
},
GetArgumentHandler = () =>
{
FolderEntityIndex folderEntityIndex =
_navigationTreeController.GetSelectedData <FolderEntityIndex>(true);
return(new List <WindowFolderEntity>()
{
folderEntityIndex.Folder
});
}
};
_addWindowCommand = new AddWindowCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <FolderEntityIndex>(true) != null);
},
GetArgumentHandler = () =>
{
FolderEntityIndex folderEntityIndex =
_navigationTreeController.GetSelectedData <FolderEntityIndex>(true);
return(folderEntityIndex.Folder);
}
};
_editWindowCommand = new EditWindowCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <WindowEntityIndex>() != null);
},
GetArgumentHandler = () =>
{
WindowEntityIndex windowEntityIndex =
_navigationTreeController.GetSelectedData <WindowEntityIndex>();
return(windowEntityIndex.Window);
}
};
_deleteWindowCommand = new DeleteWindowCommand()
{
CanExcuteHandler = () =>
{
return(_navigationTreeController.GetSelectedData <WindowEntityIndex>() != null);
},
GetArgumentHandler = () =>
{
WindowEntityIndex windowEntityIndex =
_navigationTreeController.GetSelectedData <WindowEntityIndex>();
return(new List <WindowEntity>()
{
windowEntityIndex.Window
});
}
};
#endregion
}
private void SubscribeEvent()
{
//订阅数据实体的增删改事件，以更新呈现
SubscriptionToken windowFolderAddedEventToken =
_eventAggregator.GetEvent <WindowFolderAddedEvent>().Subscribe((e) =>
{
_navigationTreeController.Add(new FolderEntityIndex(e.Folder), (node) =>
{
if (node.Codon.DataBoundType == typeof(FolderEntityIndex))
{
FolderEntityIndex folderEntityIndex = (FolderEntityIndex)node.DataBoundItem;
return(folderEntityIndex.Id == e.Folder.Parent);
}
else
{
return(false);
}
});
//发出添加了文件夹或窗体的事件通知
OnNodeAdded();
});
SubscriptionToken windowFolderRemovedEventToken =
_eventAggregator.GetEvent <WindowFolderRemovedEvent>().Subscribe((e) =>
{
_navigationTreeController.Remove(
(node) =>
{
if (node.Codon.DataBoundType == typeof(FolderEntityIndex))
{
FolderEntityIndex folderEntityIndex = (FolderEntityIndex)node.DataBoundItem;
return(folderEntityIndex.Id == e.Folder.Id);
}
else
{
return(false);
}
});
});
SubscriptionToken windowFolderUpdatedEventToken =
_eventAggregator.GetEvent <WindowFolderUpdatedEvent>().Subscribe((e) =>
{
_navigationTreeController.Update((node) =>
{
if (node.Codon.DataBoundType == typeof(FolderEntityIndex))
{
FolderEntityIndex folderEntityIndex = (FolderEntityIndex)node.DataBoundItem;
return(folderEntityIndex.Id == e.Folder.Id);
}
else
{
return(false);
}
});
});
SubscriptionToken windowAddedEventToken =
_eventAggregator.GetEvent <WindowAddedEvent>().Subscribe((e) =>
{
_navigationTreeController.Add(new WindowEntityIndex(e.Entity),
(node) =>
{
if (node.Codon.DataBoundType == typeof(FolderEntityIndex))
{
FolderEntityIndex folderEntityIndex = (FolderEntityIndex)node.DataBoundItem;
return(folderEntityIndex.Id == e.Entity.FolderId);
}
else
{
return(false);
}
});
//发出添加了文件夹或窗体的事件通知
OnNodeAdded();
});
SubscriptionToken windowRemovedEventToken =
_eventAggregator.GetEvent <WindowRemovedEvent>().Subscribe((e) =>
{
_navigationTreeController.Remove(
(node) =>
{
if (node.Codon.DataBoundType == typeof(WindowEntityIndex))
{
WindowEntityIndex windowEntityIndex = (WindowEntityIndex)node.DataBoundItem;
return(windowEntityIndex.Id == e.Id);
}
else
{
return(false);
}
});
});
SubscriptionToken windowUpdatedEventToken =
_eventAggregator.GetEvent <WindowUpdatedEvent>().Subscribe((e) =>
{
_navigationTreeController.Update((node) =>
{
if (node.Codon.DataBoundType == typeof(WindowEntityIndex))
{
WindowEntityIndex windowEntityIndex = (WindowEntityIndex)node.DataBoundItem;
return(windowEntityIndex.Id == e.Entity.Id);
}
else
{
return(false);
}
});
});
this.Disposed += (sender, e) =>
{
_eventAggregator.GetEvent <WindowFolderAddedEvent>().Unsubscribe(windowFolderAddedEventToken);
_eventAggregator.GetEvent <WindowFolderRemovedEvent>().Unsubscribe(windowFolderRemovedEventToken);
_eventAggregator.GetEvent <WindowFolderUpdatedEvent>().Unsubscribe(windowFolderUpdatedEventToken);
_eventAggregator.GetEvent <WindowAddedEvent>().Unsubscribe(windowAddedEventToken);
_eventAggregator.GetEvent <WindowRemovedEvent>().Unsubscribe(windowRemovedEventToken);
_eventAggregator.GetEvent <WindowUpdatedEvent>().Unsubscribe(windowUpdatedEventToken);
};
}
private void InitController()
{
_navigationTreeController = new TypeBinderTreeViewController(this.navigationTree);
#region ImageList
//节点的小图标ImageList
ImageList _imageList = new ImageList();
_imageList.Images.Add(IconsLibrary.Folder); //0
_imageList.Images.Add(IconsLibrary.Form); //1
_navigationTreeController.ImageList = _imageList;
#endregion
#region Codon
_navigationTreeController.AddNodeCodon(new TypeBinderTreeViewNodeCodon(
typeof(FolderEntityIndex), typeof(WindowEntityIndex),
FolderEntityIndex.Property_Name, FolderEntityIndex.Property_Items)
{
ImageIndex = TreeImages.Folder,
ContextMenuStrip = _treeMenuFolder.View
//GetItemsFunc = (folderEntity) =>
//{
// return WindowArchive.Instance.GetIndexList(((FolderEntityIndex)folderEntity).Id);
//}
});
_navigationTreeController.AddNodeCodon(new TypeBinderTreeViewNodeCodon(
typeof(WindowEntityIndex), WindowEntityIndex.Property_Name)
{
ImageIndex = TreeImages.Form,
ContextMenuStrip = _treeMenuWindowEntity.View
});
#endregion
_navigationTreeController.AfterSelect +=
new TypeBinderTreeViewController.OnAfterSelectHandler(_navigationTreeController_AfterSelect);
#region 处理拖放
navigationTree.AllowDrop = true;
navigationTree.CanDropFunc = (dragNode, dropNode) =>
{
//只有在放置节点为目录时，才允许放置
ITypeBinderTreeViewNode binderDropNode = (ITypeBinderTreeViewNode)dropNode;
if (binderDropNode.Codon.DataBoundType == typeof(FolderEntityIndex))
{
return(true);
}
else
{
return(false);
}
};
navigationTree.DragDropAction = (dragNode, dropNode) =>
{
ITypeBinderTreeViewNode binderDragNode = (ITypeBinderTreeViewNode)dragNode;
ITypeBinderTreeViewNode binderDropNode = (ITypeBinderTreeViewNode)dropNode;
FolderEntityIndex dropFolder = (FolderEntityIndex)binderDropNode.DataBoundItem;
if (binderDragNode.Codon.DataBoundType == typeof(FolderEntityIndex))
{
FolderEntityIndex dragFolder = (FolderEntityIndex)binderDragNode.DataBoundItem;
_windowArchive.MoveFolder(dragFolder.Id, dropFolder.Id);
}
else if (binderDragNode.Codon.DataBoundType == typeof(WindowEntityIndex))
{
WindowEntityIndex dragWindow = (WindowEntityIndex)binderDragNode.DataBoundItem;
_windowArchive.MoveWindow(dragWindow.Id, dropFolder.Id);
}
else
{
Debug.Assert(false, "未处理的节点类型");
}
binderDragNode.Parent.Items.Remove(binderDragNode.DataBoundItem);
binderDropNode.Items.Add(binderDragNode.DataBoundItem);
navigationTree.MoveNode(dragNode, dropNode);
};
#endregion
}
