// Copyright 2012 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.collide.client.diff;
import com.google.collide.client.AppContext;
import com.google.collide.client.code.EditorBundle;
import com.google.collide.client.documentparser.DocumentParser;
import com.google.collide.client.editor.Editor;
import com.google.collide.client.syntaxhighlighter.SyntaxHighlighter;
import com.google.collide.client.util.PathUtil;
import com.google.collide.client.util.UserActivityManager;
import com.google.collide.codemirror2.CodeMirror2;
import com.google.collide.codemirror2.Parser;
import com.google.collide.shared.document.Document;
import com.google.common.base.Preconditions;
/**
* Like the {@link EditorBundle} this class groups together the various editor
* components.
*
*/
public class EditorDiffBundle {
private final Editor editor;
private DocumentParser parser;
private SyntaxHighlighter syntaxHighlighter;
private DiffRenderer diffRenderer;
private final UserActivityManager userActivityManager;
private final Editor.Css editorCss;
public EditorDiffBundle(AppContext appContext) {
this.editor = Editor.create(appContext);
this.userActivityManager = appContext.getUserActivityManager();
this.editorCss = appContext.getResources().workspaceEditorCss();
this.editor.setLeftGutterVisible(false);
this.editor.getBuffer().setColumnMarkerVisibility(false);
}
public DiffRenderer getDiffRenderer() {
return diffRenderer;
}
public Editor getEditor() {
return editor;
}
public SyntaxHighlighter getSyntaxHighlighter() {
return syntaxHighlighter;
}
/**
* Replaces the document for the editor and related components.
*/
public void setDocument(Document document, PathUtil path, DiffRenderer diffRenderer) {
this.diffRenderer = diffRenderer;
if (syntaxHighlighter != null) {
editor.removeLineRenderer(syntaxHighlighter.getRenderer());
syntaxHighlighter.teardown();
syntaxHighlighter = null;
parser.teardown();
parser = null;
}
Parser codeMirrorParser = CodeMirror2.getParser(path);
parser = DocumentParser.create(document, codeMirrorParser, userActivityManager);
Preconditions.checkNotNull(parser);
editor.setDocument(document);
editor.addLineRenderer(diffRenderer);
syntaxHighlighter =
SyntaxHighlighter.create(document, editor.getRenderer(), editor.getViewport(),
editor.getSelection(), parser, editorCss);
editor.addLineRenderer(syntaxHighlighter.getRenderer());
parser.begin();
}
}