public void OnGUI()
{
//GUIStyle fileButtonStyle = new GUIStyle();
//fileButtonStyle.
// file buttons
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("New file", EditorStyles.miniButtonMid))
{
var newTab = new FileTab(this);
OpenTabs.Add(newTab);
SelectTab(newTab);
}
if (GUILayout.Button("Open", EditorStyles.miniButtonMid))
{
OpenFile(EditorUtility.OpenFilePanel("Open text file", "", ""));
}
EditorGUI.BeginDisabledGroup(CurrentTab == null);
if (GUILayout.Button("Save", EditorStyles.miniButtonMid))
{
SaveFile(CurrentTab.filePath, CurrentTab.currentTextContent);
}
if (GUILayout.Button("Close", EditorStyles.miniButtonMid))
{
CloseCurrent();
}
EditorGUI.EndDisabledGroup();
EditorGUILayout.EndHorizontal();
// tabs area
Color originalBackgroundColor = GUI.backgroundColor;
tabsViewScrollPosition = GUILayout.BeginScrollView(tabsViewScrollPosition, false, false, GUIStyle.none, GUIStyle.none, GUILayout.ExpandHeight(false));
EditorGUILayout.BeginHorizontal();
foreach (FileTab fileTab in OpenTabs)
{
fileTab.OnGUI(CurrentTab == fileTab);
}
EditorGUILayout.EndHorizontal();
GUILayout.EndScrollView();
GUI.backgroundColor = originalBackgroundColor;
// text editing area
if (CurrentTab != null)
{
textViewScrollPosition = GUILayout.BeginScrollView(textViewScrollPosition);
UpdateTextContent(EditorGUILayout.TextArea(CurrentTab.currentTextContent, GUILayout.ExpandWidth(true), GUILayout.ExpandHeight(true)));
GUILayout.EndScrollView();
}
}
private void CloseCurrent()
{
if (CurrentTab == null)
{
return;
}
OpenTabs.Remove(CurrentTab);
if (OpenTabs.Count > 0)
{
SelectTab(OpenTabs[0]);
}
else
{
CurrentTab = null;
}
}
public void OpenFile(string filePath)
{
if (filePath == null || filePath.Length == 0)
{
return;
}
var newTextContent = File.ReadAllText(filePath);
var newTab = new FileTab(this);
newTab.filePath = filePath;
newTab.currentTextContent = newTextContent;
OpenTabs.Add(newTab);
SelectTab(newTab);
}
public void SelectTab(FileTab fileTab)
{
CurrentTab = fileTab;
GUI.FocusControl(null); // remove focus so the textarea updates with the new file content
}