/// <summary>
/// Implementation of "paste" action using 2 delegates for the concrete action on JToken tree and TreeView.
/// </summary>
/// <param name="node"></param>
/// <param name="pasteJTokenImplementation">Implementation of paste action in the JToken tree.</param>
/// <param name="pasteTreeNodeImplementation">Implementation of paste action in the treeView.</param>
private static void ClipboardPaste(this JTokenTreeNode node, Action <JToken> pasteJTokenImplementation, Action <TreeNode> pasteTreeNodeImplementation)
{
var sourceJTokenTreeNode = EditorClipboard <JTokenTreeNode> .Get();
var jTokenSource = sourceJTokenTreeNode.JTokenTag.DeepClone();
try
{
pasteJTokenImplementation(jTokenSource);
}
catch (Exception exception)
{
// If cut was asked, the clipboard is now empty and source should be inserted again in clipboard
if (EditorClipboard <JTokenTreeNode> .IsEmpty())
{
EditorClipboard <JTokenTreeNode> .Set(sourceJTokenTreeNode, false);
}
throw new JTokenTreeNodePasteException(exception);
}
var treeView = node.TreeView;
treeView.BeginUpdate();
pasteTreeNodeImplementation(JsonTreeNodeFactory.Create(jTokenSource));
treeView.EndUpdate();
// If cut was asked, the clipboard is now empty and source should be removed from treeview
if (EditorClipboard <JTokenTreeNode> .IsEmpty())
{
sourceJTokenTreeNode.EditDelete();
}
}
/// <summary>
/// Sets the json string to show.
/// </summary>
/// <param name="jsonString"></param>
public void SetJsonSource(string jsonString)
{
var jsonEditorItem = new JTokenRoot(jsonString);
jsonTreeView.Nodes.Clear();
jsonTreeView.Nodes.Add(JsonTreeNodeFactory.Create(jsonEditorItem.JTokenValue));
jsonTreeView.Nodes
.Cast <TreeNode>()
.ForEach(n => n.Expand());
}
/// <summary>
/// Sets the stream from which to get the json string to show.
/// </summary>
/// <param name="stream"></param>
public void SetJsonSource(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
JTokenRoot jsonEditorItem;
try
{
jsonEditorItem = new JTokenRoot(stream);
}
catch (Exception exception)
{
throw new WrongJsonStreamException("Stream could not be parsed from json", exception);
}
jsonTreeView.Nodes.Clear();
jsonTreeView.Nodes.Add(JsonTreeNodeFactory.Create(jsonEditorItem.JTokenValue, 2));
jsonTreeView.Nodes
.Cast <TreeNode>()
.ForEach(n => n.Expand());
}
