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// EditActions.cs
//
// Author:
// Mike Krüger <mkrueger@novell.com>
//
// Copyright (c) 2008 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using Mono.TextEditor;
using System.Linq;
namespace MonoDevelop.SourceEditor
{
class TabAction
{
ExtensibleTextEditor editor;
public TabAction (ExtensibleTextEditor editor)
{
this.editor = editor;
}
public void Action (TextEditorData data)
{
if (!editor.DoInsertTemplate ())
MiscActions.InsertTab (data);
}
}
public static class EditActions
{
public static void AdvancedBackspace (TextEditorData data)
{
RemoveCharBeforCaret (data);
//DeleteActions.Backspace (data, RemoveCharBeforCaret);
}
const string open = "'\"([{<";
const string closing = "'\")]}>";
static int GetNextNonWsCharOffset (TextEditorData data, int offset)
{
int result = offset;
if (result >= data.Document.TextLength)
return -1;
while (Char.IsWhiteSpace (data.Document.GetCharAt (result))) {
result++;
if (result >= data.Document.TextLength)
return -1;
}
return result;
}
static void RemoveCharBeforCaret (TextEditorData data)
{
if (!data.IsSomethingSelected && MonoDevelop.Ide.Editor.DefaultSourceEditorOptions.Instance.AutoInsertMatchingBracket) {
if (data.Caret.Offset > 0) {
var line = data.GetLine (data.Caret.Line);
var stack = line.StartSpan.Clone();
if (stack.Any (s => s.Color == "string.other")) {
DeleteActions.Backspace (data);
return;
}
stack = line.StartSpan.Clone();
if (stack.Any (s => s.Color == "string.other")) {
DeleteActions.Backspace (data);
return;
}
char ch = data.Document.GetCharAt (data.Caret.Offset - 1);
int idx = open.IndexOf (ch);
if (idx >= 0) {
int nextCharOffset = GetNextNonWsCharOffset (data, data.Caret.Offset);
if (nextCharOffset >= 0 && closing[idx] == data.Document.GetCharAt (nextCharOffset)) {
data.Remove (data.Caret.Offset, nextCharOffset - data.Caret.Offset + 1);
}
}
}
}
DeleteActions.Backspace (data);
}
}
}
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