core/plugins/c9.ide.preview/previewers/raw.js

define(function(require, exports, module) {
    main.consumes = ["Previewer", "ui"];
    main.provides = ["preview.raw"];
    return main;

    function main(options, imports, register) {
        var Previewer = imports.Previewer;
        var ui = imports.ui;
        
        /***** Initialization *****/
        
        var plugin = new Previewer("Ajax.org", main.consumes, {
            caption: "Raw Content (UTF-8)", 
            index: 100,
            selector: function(path) {
                return path && path.match(/(?:\.txt)$/);
            }
        });
        
        var drawn = false;
        function draw() {
            if (drawn) return;
            drawn = true;
            
            ui.insertCss(require("text!./raw.css"), plugin);
        
            // emit("draw");
        }
        
        /***** Methods *****/
        
        function update(e) {
            var session = plugin.activeSession;
            session.pre.innerHTML = session.previewTab
                ? (session.previewTab.document.value || "").replace(/</g, "&lt;")
                : "[Please Open Document To Display In Raw Viewer]";
        }
        
        /***** Lifecycle *****/
        
        plugin.on("load", function() {
            
        });
        plugin.on("sessionStart", function(e) {
            var session = e.session;
            var editor = e.editor;
            
            draw();
            
            var pre = document.createElement("pre");
            pre.className = "rawview";
            
            // Append PRE element
            session.pre = editor.container.appendChild(pre);
            session.editor = editor;
            
            // Hack to get text selection enabled
            var container = editor.getElement("container");
            container.$isTextInput = function() { return true; };
            container.disabled = false;
        });
        plugin.on("sessionEnd", function(e) {
            var pre = e.session.pre;
            pre.parentNode.removeChild(pre);
        });
        plugin.on("sessionActivate", function(e) {
            var session = e.session;
            
            session.pre.style.display = "block";
            session.editor.setLocation(session.path);
            session.editor.setButtonStyle("Raw Content (UTF-8)", "page_white.png");
            
            session.editor.getElement("btnPopOut").hide();
            session.editor.getElement("btnSettings").hide();
        });
        plugin.on("sessionDeactivate", function(e) {
            var session = e.session;
            session.pre.style.display = "none";
        });
        plugin.on("navigate", function(e) {
            var tab = plugin.activeDocument.tab;
            var session = plugin.activeSession;
            
            tab.title = 
            tab.tooltip = "[R] " + e.url;
            session.editor.setLocation(e.url);
            
            update();
        });
        plugin.on("update", update);
        plugin.on("reload", update);
        plugin.on("enable", function() {
            
        });
        plugin.on("disable", function() {
            
        });
        plugin.on("unload", function() {
            drawn = false;
        });
        
        /***** Register and define API *****/
        
        /**
         * Previewer for UTF-8 content.
         **/
        plugin.freezePublicAPI({
        });
        
        register(null, {
            "preview.raw": plugin
        });
    }
});