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| public MainWindow()
{
InitializeComponent();
//textEditor.Text = File.ReadAllText("Sample.xml");
XSD.Text = File.ReadAllText("Schema.xsd");
XmlSchemaSet schemas = new XmlSchemaSet();
schemas.Add("", XmlReader.Create(new StringReader(File.ReadAllText("Schema.xsd"))));
schemas.Compile();
XsdInformation = XHelper.XsdParser.AnalyseSchema(schemas);
textEditor.TextChanged += IntelliSense;
textEditor.TextArea.TextEntered += TextArea_TextEntered;
textEditor.TextArea.Caret.PositionChanged += IntelliSense;
}
public List<XsdElementInformation> XsdInformation { get; set; }
private void TextArea_TextEntered(object sender, TextCompositionEventArgs e)
{
var _editor = textEditor;
try
{
switch (e.Text)
{
case ">":
{
//auto-insert closing element
int offset = _editor.CaretOffset;
string s = XHelper.XmlParser.GetElementAtCursor(_editor.Text, offset - 1);
if (!string.IsNullOrWhiteSpace(s) && "!--" != s)
{
if (!XHelper.XmlParser.IsClosingElement(_editor.Text, offset - 1, s))
{
string endElement = "</" + s + ">";
var rightOfCursor = _editor.Text.Substring(offset, Math.Max(0, Math.Min(endElement.Length + 50, _editor.Text.Length) - offset - 1)).TrimStart();
if (!rightOfCursor.StartsWith(endElement))
{
_editor.TextArea.Document.Insert(offset, endElement);
_editor.CaretOffset = offset;
}
}
}
break;
}
case "/":
{
int offset = _editor.CaretOffset;
if (_editor.Text.Length > offset + 2 && _editor.Text[offset] == '>')
{
//remove closing tag if exist
string s = XHelper.XmlParser.GetElementAtCursor(_editor.Text, offset - 1);
if (!string.IsNullOrWhiteSpace(s))
{
//search closing end tag. Element must be empty (whitespace allowed)
//"<hallo> </hallo>" --> enter '/' --> "<hallo/> "
string expectedEndTag = "</" + s + ">";
for (int i = offset + 1; i < _editor.Text.Length - expectedEndTag.Length + 1; i++)
{
if (!char.IsWhiteSpace(_editor.Text[i]))
{
if (_editor.Text.Substring(i, expectedEndTag.Length) == expectedEndTag)
{
//remove already existing endTag
_editor.Document.Remove(i, expectedEndTag.Length);
}
break;
}
}
}
}
break;
}
case "<":
var parentElement = XHelper.XmlParser.GetParentElementPath(_editor.Text);
var elementAutocompleteList = ProvidePossibleElementsAutocomplete(parentElement);
InvokeCompletionWindow(elementAutocompleteList, false);
break;
case " ":
{
var currentElement = XHelper.XmlParser.GetActiveElementStartPath(_editor.Text, _editor.CaretOffset);
var attributeautocompletelist = ProvidePossibleAttributesAutocomplete(currentElement);
InvokeCompletionWindow(attributeautocompletelist, true);
break;
}
}
}
catch (Exception exc)
{
}
if (e.Text.Length > 0)
{
char c = e.Text[0];
if (!(char.IsLetterOrDigit(c) || char.IsPunctuation(c)))
{
e.Handled = true;
}
}
}
private void InvokeCompletionWindow(List<Tuple<string, string>> elementAutocompleteList, bool isAttribute)
{
var completionWindow = new CompletionWindow(textEditor.TextArea);
IList<ICompletionData> data = completionWindow.CompletionList.CompletionData;
if (elementAutocompleteList.Any())
{
foreach (var autocompleteelement in elementAutocompleteList)
{
data.Add(new XmlCompletionData(autocompleteelement.Item1, autocompleteelement.Item2, isAttribute));
}
completionWindow.Show();
completionWindow.Closed += delegate { completionWindow = null; };
}
}
public List<Tuple<string, string>> ProvidePossibleElementsAutocomplete(XmlElementInformation path)
{
List<Tuple<string, string>> result = new List<Tuple<string, string>>();
if (path.IsEmpty)
{
var xsdResultForGivenElementPath = XsdInformation.FirstOrDefault(x => x.IsRoot);
if (xsdResultForGivenElementPath != null)
{
result.Add(new Tuple<string, string>(xsdResultForGivenElementPath.Name, xsdResultForGivenElementPath.DataType));
}
}
else
{
StringBuilder xpath = new StringBuilder();
xpath.Append("/");
foreach (var element in path.Elements)
{
xpath.Append("/" + element.Name);
}
var xsdResultForGivenElementPath = XsdInformation.FirstOrDefault(x => x.XPathLikeKey.ToLowerInvariant() == xpath.ToString().ToLowerInvariant());
if (xsdResultForGivenElementPath != null)
{
foreach (var xsdInformationElement in xsdResultForGivenElementPath.Elements)
{
result.Add(new Tuple<string, string>(xsdInformationElement.Name, xsdInformationElement.DataType));
}
}
}
return result;
}
public List<Tuple<string, string>> ProvidePossibleAttributesAutocomplete(XmlElementInformation path)
{
List<Tuple<string, string>> result = new List<Tuple<string, string>>();
if (path.IsEmpty)
{
var xsdResultForGivenElementPath = XsdInformation.FirstOrDefault(x => x.IsRoot);
if (xsdResultForGivenElementPath != null)
{
foreach (var xsdInformationAttribute in xsdResultForGivenElementPath.Attributes)
{
result.Add(new Tuple<string, string>(xsdInformationAttribute.Name, xsdInformationAttribute.DataType));
}
}
}
else
{
StringBuilder xpath = new StringBuilder();
xpath.Append("/");
foreach (var element in path.Elements)
{
xpath.Append("/" + element.Name);
}
var xsdResultForGivenElementPath = XsdInformation.FirstOrDefault(x => x.XPathLikeKey.ToLowerInvariant() == xpath.ToString().ToLowerInvariant());
if (xsdResultForGivenElementPath != null)
{
foreach (var xsdInformationAttribute in xsdResultForGivenElementPath.Attributes)
{
result.Add(new Tuple<string, string>(xsdInformationAttribute.Name, xsdInformationAttribute.DataType));
}
}
}
return result;
} |
