main.js

/*
 * Copyright (c) 2013 Jochen Hagenstroem. All rights reserved.
 *
 * 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.
 *
 */

/*jslint vars: true, plusplus: true, browser: true, nomen: true, indent: 4, maxerr: 50 */
/*global define, $, brackets */

define(function (require, exports, module) {
    'use strict';


    // Brackets modules
    var ProjectManager      = brackets.getModule("project/ProjectManager"),
        ExtensionUtils      = brackets.getModule("utils/ExtensionUtils"),
        FileUtils           = brackets.getModule("file/FileUtils"),
        FileSystem          = brackets.getModule("filesystem/FileSystem");
    
    
    function _projectOpen(event) {
        /**
        * Loads a branch from Git metadata file. 
        */
        function _loadBranch(path) {
            var result = new $.Deferred(),
                file   = FileSystem.getFileForPath(path);
            
            // work around for a brackets issue where "manually"
            // created files are not picked up by file watchers.
            // https://github.com/adobe/brackets/issues/8154
            file._stat =  file._contents = null;
                
            FileUtils.readAsText(file).done(function (text) {
                if (text.indexOf("ref: ") === 0) {
                    // e.g. "ref: refs/heads/branchname"
                    var branch      = text.substr(16).trim();
                    
                    result.resolve({ branch: branch});
                } else {
                    result.reject();
                }
            }).fail(function () {
                result.reject();
            });
    
            return result.promise();
        }
        
        //window.document.title = "123";
        var $projectTitle = $("#project-title"),
            rootPath = ProjectManager.getProjectRoot().fullPath;
        
        _loadBranch(ProjectManager.getProjectRoot().fullPath + ".git/HEAD").done(function (loadBranchResult) {
            var branch = loadBranchResult.branch,
                branchTitle = " (" + branch + ")",
                title = $projectTitle.text(),
                openParenIndex = title.lastIndexOf("("),
                closeParenIndex = title.lastIndexOf(")"),
                newTitle;
            
            if (openParenIndex > 0 && closeParenIndex > 0) {
                newTitle = title.substring(0, openParenIndex - 1) +
                    branchTitle + title.substring(closeParenIndex + 1);
            } else {
                newTitle = title + branchTitle;
            }
            
            $projectTitle.html(newTitle);
        });

    }

    // -----------------------------------------
    // Init
    // -----------------------------------------
    function init() {
        ExtensionUtils.loadStyleSheet(module, "styles.css");
        var $ProjectManager = $(ProjectManager);
        $ProjectManager.on("projectOpen", _projectOpen);
        window.addEventListener("focus", _projectOpen);
    }
    
    init();
    
});