private void RenameNode(object sender, ExecutedRoutedEventArgs e)
{
if (curDbInfoTab.CurrentTreeView.IsInEditMode)
{
curDbInfoTab.CurrentTreeView.SelectedItem.EndEdit();
}
TreeViewIconsItem selectedNode = curDbInfoTab.CurrentTreeView.SelectedItem as TreeViewIconsItem;
if (selectedNode != null)
{
selectedNode.BeginEdit();
}
}
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();
}
