Annotation of kupuMPIWG/common/kupuloggers.js, revision 1.1
1.1 ! dwinter 1: /*****************************************************************************
! 2: *
! 3: * Copyright (c) 2003-2005 Kupu Contributors. All rights reserved.
! 4: *
! 5: * This software is distributed under the terms of the Kupu
! 6: * License. See LICENSE.txt for license text. For a list of Kupu
! 7: * Contributors see CREDITS.txt.
! 8: *
! 9: *****************************************************************************/
! 10:
! 11: // $Id: kupuloggers.js 9879 2005-03-18 12:04:00Z yuppie $
! 12:
! 13:
! 14: //----------------------------------------------------------------------------
! 15: // Loggers
! 16: //
! 17: // Loggers are pretty simple classes, that should have 1 method, called
! 18: // 'log'. This is called with 2 arguments, the first one is the message to
! 19: // log and the second is the severity, which can be 0 or some other false
! 20: // value for debug messages, 1 for warnings and 2 for errors (the loggers
! 21: // are allowed to raise an exception if that happens).
! 22: //
! 23: //----------------------------------------------------------------------------
! 24:
! 25: function DebugLogger() {
! 26: /* Alert all messages */
! 27:
! 28: this.log = function(message, severity) {
! 29: /* log a message */
! 30: if (severity > 1) {
! 31: alert("Error: " + message);
! 32: } else if (severity == 1) {
! 33: alert("Warning: " + message);
! 34: } else {
! 35: alert("Log message: " + message);
! 36: }
! 37: };
! 38: }
! 39:
! 40: function PlainLogger(debugelid, maxlength) {
! 41: /* writes messages to a debug tool and throws errors */
! 42:
! 43: this.debugel = getFromSelector(debugelid);
! 44: this.maxlength = maxlength;
! 45:
! 46: this.log = function(message, severity) {
! 47: /* log a message */
! 48: if (severity > 1) {
! 49: throw message;
! 50: } else {
! 51: if (this.maxlength) {
! 52: if (this.debugel.childNodes.length > this.maxlength - 1) {
! 53: this.debugel.removeChild(this.debugel.childNodes[0]);
! 54: }
! 55: }
! 56: var now = new Date();
! 57: var time = now.getHours() + ':' + now.getMinutes() + ':' + now.getSeconds();
! 58:
! 59: var div = document.createElement('div');
! 60: var text = document.createTextNode(time + ' - ' + message);
! 61: div.appendChild(text);
! 62: this.debugel.appendChild(div);
! 63: }
! 64: };
! 65: }
! 66:
! 67: function DummyLogger() {
! 68: this.log = function(message, severity) {
! 69: if (severity > 1) {
! 70: throw message;
! 71: }
! 72: };
! 73: };
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