/// <summary>
/// 依据要添加节点的种类和节点文本，生成其路径，可用于检测是否己存在同名节点
/// </summary>
/// <param name="category"></param>
/// <param name="newNodeText"></param>
/// <returns></returns>
public String getNewNodePath(AddNodeCategory category, String newNodeText)
{
String selectNodePath = (curDbInfoTab.CurrentTreeView.SelectedItem as TreeViewIconsItem) == null ? "" : (curDbInfoTab.CurrentTreeView.SelectedItem as TreeViewIconsItem).Path;
String newNodePath = "";
switch (category)
{
case AddNodeCategory.AddRoot:
newNodePath = "/" + newNodeText + "/";
break;
case AddNodeCategory.AddChild:
if (selectNodePath != "")
{
newNodePath = selectNodePath + newNodeText + "/";
}
break;
case AddNodeCategory.AddSibling:
if (selectNodePath != "")
{
String selectNodeText = (curDbInfoTab.CurrentTreeView.SelectedItem as TreeViewIconsItem).HeaderText;
newNodePath = selectNodePath.Replace("/" + selectNodeText + "/", "/" + newNodeText + "/");
}
break;
}
return(newNodePath);
}
private void AddNode(AddNodeCategory category)
{
string treeNodeType = labeltree.TreeNodeType;
//为新节点生成默认文本
String NodeText = MainWin.getDefaultNodeText(treeNodeType) + (labeltree.NodeCount + 1);
//尝试从剪贴板中提取文本
String textFromClipboard = StringUtils.getFirstLineOfString(Clipboard.GetText());
if (String.IsNullOrEmpty(textFromClipboard) == false && textFromClipboard != LastPasteNodeText && textFromClipboard.IndexOf("/") == -1)
{
//检测一下从剪贴板中获取的文本是否有效（即不会导致重名的节点出现）
String newNodeText = textFromClipboard;
bool nodeExisted = labeltree.IsNodeExisted(MainWin.getNewNodePath(category, newNodeText));
//如果不存在同名的路径
if (nodeExisted == false)
{
NodeText = newNodeText;
LastPasteNodeText = NodeText;
}
}
//如果还有重复路径的，则循环使用随机数，务必保证路径不会相同
while (labeltree.IsNodeExisted(MainWin.getNewNodePath(category, NodeText)))
{
NodeText = MainWin.getDefaultNodeText(treeNodeType) + new Random().Next() as string;
}
//创建默认的节点数据对象
NodeDataObject dataobject = NodeFactory.CreateDataInfoNode(treeNodeType, DALConfig.getEFConnectionString(curDbInfoTab.dbInfoObject.DatabaseFilePath));
TreeViewIconsItem newNode = null;
//在树中添加节点
switch (category)
{
case AddNodeCategory.AddRoot:
newNode = labeltree.AddRoot(NodeText, dataobject);
curDbInfoTab.LabelViewObj.SuperTree.AddRoot(NodeText, dataobject);
break;
case AddNodeCategory.AddChild:
newNode = labeltree.AddChild(NodeText, dataobject);
curDbInfoTab.LabelViewObj.SuperTree.AddChild(NodeText, dataobject);
break;
case AddNodeCategory.AddSibling:
newNode = labeltree.AddSibling(NodeText, dataobject);
curDbInfoTab.LabelViewObj.SuperTree.AddSibling(NodeText, dataobject);
break;
default:
break;
}
if (newNode == null)
{
return;
}
//新节点，默认不是粗体的
newNode.FontWeight = FontWeights.Normal;
//在数据库中创建记录
if (dataobject.AccessObject != null)
{
dataobject.AccessObject.Create(dataobject.DataItem);
}
//保存树结构
curDbInfoTab.SaveTreeToDB(labeltree);
//自动进入编辑状态
newNode.BeginEdit();
}
/// <summary>
/// 依据要添加节点的种类和节点文本，生成其路径，可用于检测是否己存在同名节点
/// </summary>
/// <param name="category"></param>
/// <param name="newNodeText"></param>
/// <returns></returns>
private String getNewNodePath(AddNodeCategory category, String newNodeText)
{
String selectNodePath = (curDbInfoTab.treeView1.SelectedItem as TreeViewIconsItem) == null ? "" : (curDbInfoTab.treeView1.SelectedItem as TreeViewIconsItem).Path;
String newNodePath = "";
switch (category)
{
case AddNodeCategory.AddRoot:
newNodePath = "/" + newNodeText + "/";
break;
case AddNodeCategory.AddChild:
if (selectNodePath != "")
{
newNodePath = selectNodePath + newNodeText + "/";
}
break;
case AddNodeCategory.AddSibling:
if (selectNodePath != "")
{
String selectNodeText = (curDbInfoTab.treeView1.SelectedItem as TreeViewIconsItem).HeaderText;
newNodePath = selectNodePath.Replace("/" + selectNodeText + "/", "/" + newNodeText + "/");
}
break;
}
return newNodePath;
}
/// <summary>
/// 添加节点
/// </summary>
/// <param name="category">指要新建儿子、兄弟还是根节点</param>
/// <param name="nodeType">指节点的类型是：DetailText\OnlyText等 </param>
private void AddNode(AddNodeCategory category, String nodeType)
{
//为新节点生成默认文本
String NodeText = getDefaultNodeText(nodeType) + (curDbInfoTab.treeView1.NodeCount + 1);
//尝试从剪贴板中提取文本
String textFromClipboard = StringUtils.getFirstLineOfString(Clipboard.GetText());
if (String.IsNullOrEmpty(textFromClipboard) == false && textFromClipboard != LastPasteNodeText && textFromClipboard.IndexOf("/") == -1)
{
//检测一下从剪贴板中获取的文本是否有效（即不会导致重名的节点出现）
String newNodeText = textFromClipboard;
bool nodeExisted = curDbInfoTab.treeView1.IsNodeExisted(getNewNodePath(category, newNodeText));
//如果不存在同名的路径
if (nodeExisted == false)
{
NodeText = newNodeText;
LastPasteNodeText = NodeText;
}
}
//如果还有重复路径的，则循环使用随机数，务必保证路径不会相同
while (curDbInfoTab.treeView1.IsNodeExisted(getNewNodePath(category, NodeText)))
{
NodeText = getDefaultNodeText(nodeType) + new Random().Next();
}
//创建默认的节点数据对象
NodeDataObject dataobject = NodeFactory.CreateDataInfoNode(nodeType, DALConfig.getEFConnectionString(curDbInfoTab.dbInfoObject.DatabaseFilePath));
TreeViewIconsItem newNode = null;
//在树中添加节点
switch (category)
{
case AddNodeCategory.AddRoot:
newNode = curDbInfoTab.treeView1.AddRoot(NodeText, dataobject);
break;
case AddNodeCategory.AddChild:
newNode = curDbInfoTab.treeView1.AddChild(NodeText, dataobject);
break;
case AddNodeCategory.AddSibling:
newNode = curDbInfoTab.treeView1.AddSibling(NodeText, dataobject);
break;
default:
break;
}
if (newNode == null)
{
return;
}
//新节点，默认不是粗体的
newNode.FontWeight = FontWeights.Normal;
//在数据库中创建记录
if (dataobject.AccessObject != null)
{
dataobject.AccessObject.Create(dataobject.DataItem);
}
//保存树结构
curDbInfoTab.SaveTreeToDB();
//自动进入编辑状态
newNode.BeginEdit();
}
/// <summary>
/// 添加节点
/// 成功返回新节点，不成功，返回null
/// 新节点自动展开且选中
/// </summary>
/// <param name="parent"></param>
/// <param name="nodeText"></param>
/// <param name="nodeIcon"></param>
/// <returns></returns>
private TreeViewIconsItem addNode(AddNodeCategory addType, TreeViewIconsItem selectedNode, String nodeText, NodeDataObject nodeDataObject)
{
if (selectedNode != null)
{
selectedNode.IsExpanded = true;
}
ShouldRaiseSelectedItemChangedEvent = true;
TreeViewIconsItem treeNode = new TreeViewIconsItem(this, nodeDataObject);
treeNode.HeaderText = nodeText;
treeNode.Icon = nodeDataObject.DataItem.NormalIcon;
//自动展开
treeNode.IsExpanded = true;
switch (addType)
{
case AddNodeCategory.AddRoot:
treeNode.Path = "/" + nodeText + "/";
nodeDataObject.DataItem.Path = treeNode.Path;
tree.Items.Add(treeNode);
nodesManager.nodes.Add(treeNode);
break;
case AddNodeCategory.AddChild:
if (selectedNode != null)
{
treeNode.Path = selectedNode.Path + nodeText + "/";
nodeDataObject.DataItem.Path = treeNode.Path;
selectedNode.Items.Add(treeNode);
nodesManager.nodes.Add(treeNode);
}
else
{
return(null);
}
break;
case AddNodeCategory.AddSibling:
if (selectedNode != null && selectedNode.Parent != null)
{
//如果选中节点是顶层节点
if (selectedNode.Parent == tree)
{
treeNode.Path = "/" + nodeText + "/";
nodeDataObject.DataItem.Path = treeNode.Path;
tree.Items.Add(treeNode);
}
else
{
//不是顶层节点
TreeViewIconsItem parent = selectedNode.Parent as TreeViewIconsItem;
treeNode.Path = parent.Path + nodeText + "/";
nodeDataObject.DataItem.Path = treeNode.Path;
parent.Items.Add(treeNode);
}
nodesManager.nodes.Add(treeNode);
}
else //当前没有选中节点或选中节点没有父亲
{
return(null);
}
break;
default:
break;
}
if (_autoSelectNewNode)
{
treeNode.IsSelected = true;
}
//更新树的存储
String treeXml = saveToXmlString();
if (_repository != null)
{
_repository.SaveTree(treeXml);
}
return(treeNode);
}
/// <summary>
/// 添加节点
/// 成功返回新节点，不成功，返回null
/// 新节点自动展开且选中
/// </summary>
/// <param name="parent"></param>
/// <param name="nodeText"></param>
/// <param name="nodeIcon"></param>
/// <returns></returns>
private TreeViewIconsItem addNode(AddNodeCategory addType, TreeViewIconsItem selectedNode, String nodeText, NodeDataObject nodeDataObject)
{
if (selectedNode != null)
{
selectedNode.IsExpanded = true;
}
TreeViewIconsItem treeNode = new TreeViewIconsItem(this, nodeDataObject);
treeNode.HeaderText = nodeText;
treeNode.Icon = nodeDataObject.DataItem.NormalIcon;
//自动展开
treeNode.IsExpanded = true;
switch (addType)
{
case AddNodeCategory.AddRoot:
treeNode.Path = "/" + nodeText + "/";
nodeDataObject.DataItem.Path = treeNode.Path;
tree.Items.Add(treeNode);
nodesManager.nodes.Add(treeNode);
break;
case AddNodeCategory.AddChild:
if (selectedNode != null)
{
treeNode.Path = selectedNode.Path + nodeText + "/";
nodeDataObject.DataItem.Path = treeNode.Path;
selectedNode.Items.Add(treeNode);
nodesManager.nodes.Add(treeNode);
}
else
{
return null;
}
break;
case AddNodeCategory.AddSibling:
if (selectedNode != null && selectedNode.Parent != null)
{
//如果选中节点是顶层节点
if (selectedNode.Parent == tree)
{
treeNode.Path = "/" + nodeText + "/";
nodeDataObject.DataItem.Path = treeNode.Path;
tree.Items.Add(treeNode);
}
else
{
//不是顶层节点
TreeViewIconsItem parent = selectedNode.Parent as TreeViewIconsItem;
treeNode.Path = parent.Path + nodeText + "/";
nodeDataObject.DataItem.Path = treeNode.Path;
parent.Items.Add(treeNode);
}
nodesManager.nodes.Add(treeNode);
}
else //当前没有选中节点或选中节点没有父亲
{
return null;
}
break;
default:
break;
}
if (_autoSelectNewNode)
{
treeNode.IsSelected = true;
}
//更新树的存储
String treeXml = saveToXmlString();
MainTreeRepository.SaveTree(treeXml);
return treeNode;
}
