private static void CalculatePosition(Rect rect, string pureLabel, int currentLine, ScriptInformation[] infos, Action <Rect, ScriptInformation> action)
{
foreach (var info in infos)
{
if (info != null && info.startLine <= currentLine && info.endLine >= currentLine)
{
var position = rect;
int startColumn = 0;
int endColumn = pureLabel.Length - 1;
position.width = RichLabel.CalcSize(new GUIContent(pureLabel)).x;
if (info.startLine == currentLine || info.endLine == currentLine)
{
if (info.startLine == currentLine)
{
startColumn = info.startColumn;
}
if (info.endLine == currentLine)
{
endColumn = info.endColumn;
if (endColumn + 1 > pureLabel.Length)
{
endColumn = pureLabel.Length - 1;
}
}
}
{ //For correcting the position and width, because we replace tab with space
int tabCount = pureLabel.Count(l => l == '\t');
int offset = Mathf.Min(tabCount, startColumn);
position.x -= tabWidth * offset;
position.x += spaceWidth * 6 * offset;
if (tabCount > startColumn)
{
position.width -= tabWidth * (tabCount - startColumn);
position.width += spaceWidth * 6 * (tabCount - startColumn);
}
}
if (info.startLine == currentLine)
{
if (startColumn > 0 && pureLabel.Length > startColumn)
{
float width = RichLabel.CalcSize(new GUIContent(pureLabel.Substring(0, startColumn))).x;
position.x += width;
position.width -= width;
}
}
if (info.endLine == currentLine)
{
if (endColumn + 1 < pureLabel.Length && pureLabel.Length - endColumn > 0)
{
float width = RichLabel.CalcSize(new GUIContent(pureLabel.Substring(endColumn, pureLabel.Length - endColumn))).x;
position.width -= width;
}
}
action(position, info);
}
}
}
public static void ShowPreviewSource(string[] lines, string[] pureLines, ScriptInformation[] infos, ref ScriptInformation[] selectedInfos)
{
if (lines == null || lines.Length == 0)
{
return;
}
if (pureLines == null || pureLines.Length != lines.Length)
{
pureLines = lines;
}
tabWidth = RichLabel.CalcSize(new GUIContent("\t")).x;
spaceWidth = RichLabel.CalcSize(new GUIContent(" ")).x;
var lineWidth = LinesStyle.CalcSize(new GUIContent(lines.Length.ToString())).x;
Rect area = EditorGUILayout.BeginVertical();
ScriptInformation clickedInfo = null;
for (int i = 0; i < lines.Length; i++)
{
Rect rect = uNodeGUIUtility.GetRect(new GUIContent(lines[i]), RichLabel);
EditorGUI.LabelField(new Rect(rect.x, rect.y, lineWidth, rect.height), (i + 1).ToString(), LinesStyle);
rect.x += lineWidth + 6;
rect.width -= lineWidth + 6;
if (Event.current.type == EventType.Repaint)
{
string label = lines[i].Replace("\t", " ");
// string label = lines[i];
RichLabel.Draw(rect, label, false, false, false, false);
if (selectedInfos == null)
{
continue;
}
CalculatePosition(rect, pureLines[i], i, selectedInfos, (position, info) => {
GUI.DrawTexture(position, selectionTexture);
});
}
else if (Event.current.type == EventType.MouseDown)
{
if (infos == null)
{
continue;
}
CalculatePosition(rect, pureLines[i], i, infos, (position, info) => {
if (position.Contains(Event.current.mousePosition))
{
if (clickedInfo != null)
{
if (clickedInfo.lineRange > info.lineRange || clickedInfo.lineRange == info.lineRange && clickedInfo.columnRange > info.columnRange)
{
clickedInfo = info;
}
}
else
{
clickedInfo = info;
}
}
});
}
}
if (clickedInfo != null)
{
selectedInfos = new ScriptInformation[] { clickedInfo };
if (int.TryParse(clickedInfo.id, out var id))
{
var obj = EditorUtility.InstanceIDToObject(id);
if (obj is NodeComponent)
{
uNodeEditor.HighlightNode(obj as NodeComponent);
}
else if (obj is RootObject)
{
var root = obj as RootObject;
if (root.startNode != null)
{
uNodeEditor.HighlightNode(root.startNode);
}
else
{
uNodeEditor.ChangeTarget(root);
uNodeEditor.window.Refresh();
}
}
}
else if (clickedInfo.id.StartsWith(CodeGenerator.KEY_INFORMATION_VARIABLE))
{
}
window?.Repaint();
}
EditorGUILayout.EndVertical();
GUI.Box(new Rect(area.x + lineWidth, area.y, 2, area.height), "");
}