//数据库删除事件的回调
private void dataDeleted(object sender, List <DBEntity> entities)
{
Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
DBEntityControl dbControl = Project.Instance.GetTmpEntCol(doc);
if (dbControl.Senders.Contains(this))
{
return;
}
foreach (var entity in entities)
{
if (!(entity is DBTunnel))
{
continue;
}
DBTunnel dbTunnel = entity as DBTunnel;
var projectTree = Project.Instance.GetProjectTree(doc);
var deleteNode = projectTree.Find((node) =>
{
if (!(node is ProjectTreeLeafNode))
{
return(false);
}
else
{
ProjectTreeLeafNode leafNode = node as ProjectTreeLeafNode;
if (leafNode.HandleValue == dbTunnel.HandleValue)
{
return(true);
}
else
{
return(false);
}
}
});
if (deleteNode != null)
{
deleteNode.GetParentNode().Children.Remove(deleteNode);
bool ok = projectTree.Remove(deleteNode);
if (ok)
{
treeList1.RefreshDataSource();
}
}
}
}
//修改叶子节点数据到数据库
private void modityLeafNode(ProjectTreeLeafNode leafNode)
{
Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
DBEntityControl dbControl = Project.Instance.GetTmpEntCol(doc);
DBEntity entity = dbControl.FindOne
(Query.EQ("HandleValue", leafNode.HandleValue));
DBTunnel tunnel = entity as DBTunnel;
tunnel.Location = leafNode.ParentPath;
tunnel.Name = leafNode.Name;
dbControl.Update(entity, this);
}
//数据库修改事件的回调
private void dataUpdated(object sender, DBEntity entity)
{
Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
DBEntityControl dbControl = Project.Instance.GetTmpEntCol(doc);
if (dbControl.Senders.Contains(this))
{
return;
}
if (!(entity is DBTunnel))
{
return;
}
DBTunnel dbTunnel = entity as DBTunnel;
var projectTree = Project.Instance.GetProjectTree(doc);
var updatedNode = projectTree.Find((node) =>
{
if (!(node is ProjectTreeLeafNode))
{
return(false);
}
else
{
ProjectTreeLeafNode leafNode = node as ProjectTreeLeafNode;
if (leafNode.HandleValue == dbTunnel.HandleValue)
{
return(true);
}
else
{
return(false);
}
}
});
updatedNode.Name = dbTunnel.Name;
treeList1.RefreshDataSource();
}
//**************************数据库事件的回调函数**************************//
//数据库插入事件的回调,包含cad撤销事件
private void dataInserted(object sender, DBEntity entity)
{
Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
DBEntityControl dbControl = Project.Instance.GetTmpEntCol(doc);
if (dbControl.Senders.Contains(this))
{
return;
}
if (!(entity is DBTunnel))
{
return;
}
DBTunnel dbTunnel = entity as DBTunnel;
var currentWorkingSurface = Project.Instance.getCurrentSurface(doc);
if (currentWorkingSurface == null)
{
throw new System.Exception("找不到当前工作面");
}
//确定工作面
ProjectTreeNode pNode = null;
//如果是当前工作面
if (dbTunnel.Location == currentWorkingSurface.Path)
{
pNode = currentWorkingSurface;
}
else //非当前工作面
{
var surface = findNodeByPath(dbTunnel.Location);
//var surface = findParentNodeByPath(dbTunnel.Location);
if (surface != null) //工程树中有巷道保存的工作面
{
pNode = surface;
}
else
{
pNode = getUnassignedNode();
}
}
ProjectTreeLeafNode nodex =
new ProjectTreeLeafNode(dbTunnel.Name, pNode, dbTunnel.HandleValue);
pNode.Children.Add(nodex);
var projectTree = Project.Instance.GetProjectTree(doc);
var flag = projectTree.Find((n) =>
{
if (n.Path == nodex.Path)
{
return(true);
}
else
{
return(false);
}
});
if (flag == null)
{
projectTree.Add(nodex);
}
treeList1.RefreshDataSource();
}
//通过数据库中的数据重新实例化一个工程树,使各个节点产生父子关系
public List <ProjectTreeNode> RebuldFromDB(out ProjectTreeNode currentWorkingSurface)
{
//数据库中的树信息
List <ProjectTreeNode> oldTree = _collection.FindAll().ToList();
List <ProjectTreeNode> tree = new List <ProjectTreeNode>();
currentWorkingSurface = null;
//数据库还没有树的信息，可能是一个空的图纸
if (oldTree.Count == 0)
{
ProjectTreeNode node0 = new ProjectTreeNode("煤矿1", null); node0.Children.Clear();
ProjectTreeNode node1 = new ProjectTreeNode("水平1", node0); node0.Children.Add(node1);
ProjectTreeNode node2 = new ProjectTreeNode("采区1", node1); node1.Children.Add(node2);
ProjectTreeNode node3 = new ProjectTreeNode("工作面1", node2); node2.Children.Add(node3);
tree.Add(node0); tree.Add(node1); tree.Add(node2); tree.Add(node3);
currentWorkingSurface = node3;
}
else //有信息
{
List <ProjectTreeNode> level0 = new List <ProjectTreeNode>();
List <ProjectTreeNode> level1 = new List <ProjectTreeNode>();
List <ProjectTreeNode> level2 = new List <ProjectTreeNode>();
List <ProjectTreeNode> level3 = new List <ProjectTreeNode>();
List <ProjectTreeNode> level4 = new List <ProjectTreeNode>();
foreach (var node in oldTree)
{
if (node.ParentPath == null)
{
level0.Add(node);
node.Children.Clear();
}
else if (node.ParentPath.Split('>').Count() == 1)
{
level1.Add(node);
node.Children.Clear();
}
else if (node.ParentPath.Split('>').Count() == 2)
{
level2.Add(node);
node.Children.Clear();
}
else if (node.ParentPath.Split('>').Count() == 3)
{
level3.Add(node);
node.Children.Clear();
}
else if (node.ParentPath.Split('>').Count() == 4)
{
level4.Add(node);
node.Children.Clear();
}
}
foreach (var node in level0)
{
tree.Add(node);
}
foreach (var node in level1)
{
ProjectTreeNode newNode = new ProjectTreeNode(node.Name);
var pNode = tree.Find((pn) =>
{
if (pn.Path == node.ParentPath)
{
return(true);
}
else
{
return(false);
}
});
newNode.SetParentNode(pNode);
pNode.Children.Add(newNode);
tree.Add(newNode);
}
foreach (var node in level2)
{
ProjectTreeNode newNode = new ProjectTreeNode(node.Name);
var pNode = tree.Find((pn) =>
{
if (pn.Path == node.ParentPath)
{
return(true);
}
else
{
return(false);
}
});
newNode.SetParentNode(pNode);
pNode.Children.Add(newNode);
tree.Add(newNode);
}
foreach (var node in level3)
{
ProjectTreeNode newNode = new ProjectTreeNode(node.Name);
var pNode = tree.Find((pn) =>
{
if (pn.Path == node.ParentPath)
{
return(true);
}
else
{
return(false);
}
});
newNode.SetParentNode(pNode);
pNode.Children.Add(newNode);
tree.Add(newNode);
currentWorkingSurface = newNode;
}
foreach (var node in level4)
{
ProjectTreeLeafNode newNode = new ProjectTreeLeafNode(node.Name, ((ProjectTreeLeafNode)node).HandleValue);
var pNode = tree.Find((pn) =>
{
if (pn.Path == node.ParentPath)
{
return(true);
}
else
{
return(false);
}
});
newNode.SetParentNode(pNode);
pNode.Children.Add(newNode);
tree.Add(newNode);
}
}
return(tree);
}
