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Viewing changes to ivle/webapp/console/media/console.js

  • Committer: William Grant
  • Date: 2009-04-29 04:58:42 UTC
  • Revision ID: grantw@unimelb.edu.au-20090429045842-upijb1ybcbz1zg6u
Kill --nosvnrevno from setup.install - we don't use Subversion now.

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ivle/webapp/console/media/console.js
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interrupted = false;
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function get_console_start_directory()
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{
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    if((typeof(current_path) != 'undefined') && current_file)
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    {
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        // We have a current_path - give a suggestion to the server
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        var path;
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        if (current_file.isdir)
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        {
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            // Browser
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            return path_join("/home", current_path);
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        }
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        else
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        {
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            // Editor - need to chop off filename
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            var tmp_path = current_path.split('/');
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            tmp_path.pop();
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            return path_join("/home", tmp_path.join('/'));
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        }
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    }
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    else
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    {
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        // No current_path - let the server decide
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        return '';
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    }
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}
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/* Starts the console server, if it isn't already.
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 * This can be called any number of times - it only starts the one server.
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 * Note that this is asynchronous. It will return after signalling to start
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    var callback1 = function(xhr)
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        {
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            var json_text = xhr.responseText;
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            try
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            {
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                server_key = JSON.parse(json_text).key;
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                server_started = true;
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                if (callback != null)
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                    callback();
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            }
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            catch (e)
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            {
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                alert("An error occured when starting the IVLE console. " +
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                    "Please refresh the page and try again.\n" +
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                    "Details have been logged for further examination.")
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            }
 
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            server_key = JSON.parse(json_text).key;
 
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            server_started = true;
 
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            if (callback != null)
 
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                callback();
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        }
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    ajax_call(
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        callback1, "console", "service",
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        {"ivle.op": "start", "cwd": get_console_start_directory()}, 
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        "POST");
 
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    //var current_path;
 
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    if((typeof(current_path) != 'undefined') && current_file)
 
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    {
 
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        // We have a current_path - give a suggestion to the server
 
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        var path;
 
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        if (current_file.isdir)
 
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        {
 
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            // Browser
 
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            path = path_join("/home", current_path);
 
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        }
 
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        else
 
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        {
 
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            // Editor - need to chop off filename
 
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            var tmp_path = current_path.split('/');
 
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            tmp_path.pop();
 
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            path = path_join("/home", tmp_path.join('/'));
 
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        }
 
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        ajax_call(callback1, "console", "service", {"ivle.op": "start", "cwd": path}, "POST");
 
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    }
 
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    else
 
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    {
 
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        // No current_path - let the server decide
 
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        ajax_call(callback1, "console", "service", {"ivle.op": "start"}, "POST");
 
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    }
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}
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/** Initialises the console. All apps which import console are required to
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        span.appendChild(document.createTextNode(inputline));
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        output.appendChild(span);
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    }
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    var args = {
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        "ivle.op": "chat", "kind": which, "key": server_key,
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        "text": inputline, "cwd": get_console_start_directory()
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        };
 
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    var args = {"ivle.op": "chat", "kind": which, "key": server_key, "text":inputline};
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    var callback = function(xhr)
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        {
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            console_response(inputbox, inputline, xhr.responseText);
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        {
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            var kind = "chat";
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        }
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        var args = {
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            "ivle.op": "chat", "kind": kind, "key": server_key,
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            "text": '', "cwd": get_console_start_directory()
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            };
 
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        var args = {"ivle.op": "chat", "kind": kind, "key": server_key, "text":''};
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        ajax_call(callback, "console", "service", args, "POST");
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        // Open up the console so we can see the output
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            hist.submit(inp.value);
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            inp.value = hist.curr();
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        }
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        /* Disable the text box. This will be redone by
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         * console_enter_line, but we do it here too in case start_server
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         * takes a while.
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         */
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        inp.setAttribute("disabled", "disabled");
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        /* Start the server if it hasn't already been started */
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        start_server(callback);
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        break;
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    case 38:                /* Up arrow */
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        hist.up(inp.value);
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        inp.value = hist.curr();
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        /* Inhibit further responses to this event, or WebKit moves the
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         * cursor to the start. */
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        return false;
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        break;
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    case 40:                /* Down arrow */
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        hist.down(inp.value);
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        inp.value = hist.curr();
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        return false;
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        break;
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    }
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}
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    }
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    else
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    {
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        xhr = ajax_call(null, "console", "service", {"ivle.op": "chat", "kind": "terminate", "key": server_key, "cwd": get_console_start_directory()}, "POST");
 
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        xhr = ajax_call(null, "console", "service", {"ivle.op": "chat", "kind": "terminate", "key": server_key}, "POST");
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        console_response(null, null, xhr.responseText);
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    }
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}