Snippets: Feature enhancement start...

Provide an interface so users can create/edit/remove snippets.

src/plugins/texteditor/snippets/snippeteditor.cpp

@@ -0,0 +1,92 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "snippeteditor.h"
+
+#include <texteditor/basetextdocument.h>
+#include <texteditor/texteditorconstants.h>
+#include <texteditor/normalindenter.h>
+
+#include <QtGui/QTextDocument>
+
+using namespace TextEditor;
+
+SnippetEditorEditable::SnippetEditorEditable(SnippetEditor *editor) :
+    BaseTextEditorEditable(editor),
+    m_context(Constants::SNIPPET_EDITOR_ID, Constants::C_TEXTEDITOR)
+{}
+
+SnippetEditorEditable::~SnippetEditorEditable()
+{}
+
+QString SnippetEditorEditable::id() const
+{
+    return Constants::SNIPPET_EDITOR_ID;
+}
+
+SnippetEditor::SnippetEditor(QWidget *parent) :
+    BaseTextEditor(parent),
+    m_indenter(new NormalIndenter)
+{
+    setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
+
+    setHighlightCurrentLine(false);
+    setLineNumbersVisible(false);
+}
+
+SnippetEditor::~SnippetEditor()
+{}
+
+void SnippetEditor::installSyntaxHighlighter(TextEditor::SyntaxHighlighter *highlighter)
+{
+    baseTextDocument()->setSyntaxHighlighter(highlighter);
+}
+
+void SnippetEditor::installIndenter(Indenter *indenter)
+{
+    m_indenter.reset(indenter);
+}
+
+void SnippetEditor::focusOutEvent(QFocusEvent *event)
+{
+    Q_UNUSED(event);
+    if (document()->isModified())
+        emit snippetContentChanged();
+}
+
+BaseTextEditorEditable *SnippetEditor::createEditableInterface()
+{
+    return new SnippetEditorEditable(this);
+}
+
+void SnippetEditor::indentBlock(QTextDocument *doc, QTextBlock block, QChar typedChar)
+{
+    if (!m_indenter.isNull())
+        m_indenter->indentBlock(doc, block, typedChar, tabSettings());
+}