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   1  YUI.add('moodle-core-notification-exception', function (Y, NAME) {
   2  
   3  var DIALOGUE_PREFIX,
   4      BASE,
   5      CONFIRMYES,
   6      CONFIRMNO,
   7      TITLE,
   8      QUESTION,
   9      CSS;
  10  
  11  DIALOGUE_PREFIX = 'moodle-dialogue',
  12  BASE = 'notificationBase',
  13  CONFIRMYES = 'yesLabel',
  14  CONFIRMNO = 'noLabel',
  15  TITLE = 'title',
  16  QUESTION = 'question',
  17  CSS = {
  18      BASE : 'moodle-dialogue-base',
  19      WRAP : 'moodle-dialogue-wrap',
  20      HEADER : 'moodle-dialogue-hd',
  21      BODY : 'moodle-dialogue-bd',
  22      CONTENT : 'moodle-dialogue-content',
  23      FOOTER : 'moodle-dialogue-ft',
  24      HIDDEN : 'hidden',
  25      LIGHTBOX : 'moodle-dialogue-lightbox'
  26  };
  27  
  28  // Set up the namespace once.
  29  M.core = M.core || {};
  30  /**
  31   * A dialogue type designed to display an appropriate error when a generic
  32   * javascript error was thrown and caught.
  33   *
  34   * @module moodle-core-notification
  35   * @submodule moodle-core-notification-exception
  36   */
  37  
  38  var EXCEPTION_NAME = 'Moodle exception',
  39      EXCEPTION;
  40  
  41  /**
  42   * Extends core Dialogue to show the exception dialogue.
  43   *
  44   * @param {Object} config Object literal specifying the dialogue configuration properties.
  45   * @constructor
  46   * @class M.core.exception
  47   * @extends M.core.dialogue
  48   */
  49  EXCEPTION = function(c) {
  50      var config = Y.mix({}, c);
  51      config.width = config.width || (M.cfg.developerdebug)?Math.floor(Y.one(document.body).get('winWidth')/3)+'px':null;
  52      config.closeButton = true;
  53  
  54      // We need to whitelist some properties which are part of the exception
  55      // prototype, otherwise AttributeCore filters them during value normalisation.
  56      var whitelist = [
  57          'message',
  58          'name',
  59          'fileName',
  60          'lineNumber',
  61          'stack'
  62      ];
  63      Y.Array.each(whitelist, function(k) {
  64          config[k] = c[k];
  65      });
  66  
  67      EXCEPTION.superclass.constructor.apply(this, [config]);
  68  };
  69  Y.extend(EXCEPTION, M.core.notification.info, {
  70      _hideTimeout : null,
  71      _keypress : null,
  72      initializer : function(config) {
  73          var content,
  74              self = this,
  75              delay = this.get('hideTimeoutDelay');
  76          this.get(BASE).addClass('moodle-dialogue-exception');
  77          this.setStdModContent(Y.WidgetStdMod.HEADER,
  78                  '<h1 id="moodle-dialogue-'+config.COUNT+'-header-text">' + Y.Escape.html(config.name) + '</h1>',
  79                  Y.WidgetStdMod.REPLACE);
  80          content = Y.Node.create('<div class="moodle-exception"></div>')
  81                  .append(Y.Node.create('<div class="moodle-exception-message">'+Y.Escape.html(this.get('message'))+'</div>'))
  82                  .append(Y.Node.create('<div class="moodle-exception-param hidden param-filename"><label>File:</label> ' +
  83                          Y.Escape.html(this.get('fileName'))+'</div>'))
  84                  .append(Y.Node.create('<div class="moodle-exception-param hidden param-linenumber"><label>Line:</label> ' +
  85                          Y.Escape.html(this.get('lineNumber'))+'</div>'))
  86                  .append(Y.Node.create('<div class="moodle-exception-param hidden param-stacktrace"><label>Stack trace:</label> <pre>' +
  87                          this.get('stack')+'</pre></div>'));
  88          if (M.cfg.developerdebug) {
  89              content.all('.moodle-exception-param').removeClass('hidden');
  90          }
  91          this.setStdModContent(Y.WidgetStdMod.BODY, content, Y.WidgetStdMod.REPLACE);
  92  
  93          if (delay) {
  94              this._hideTimeout = setTimeout(function(){self.hide();}, delay);
  95          }
  96          this.after('visibleChange', this.visibilityChanged, this);
  97          this._keypress = Y.on('key', this.hide, window, 'down:13,27', this);
  98          this.centerDialogue();
  99      },
 100      visibilityChanged : function(e) {
 101          if (e.attrName === 'visible' && e.prevVal && !e.newVal) {
 102              if (this._keypress) {
 103                  this._keypress.detach();
 104              }
 105              var self = this;
 106              setTimeout(function(){self.destroy();}, 1000);
 107          }
 108      }
 109  }, {
 110      NAME : EXCEPTION_NAME,
 111      CSS_PREFIX : DIALOGUE_PREFIX,
 112      ATTRS : {
 113          /**
 114           * The message of the alert.
 115           *
 116           * @attribute message
 117           * @type String
 118           * @default ''
 119           */
 120          message : {
 121              value : ''
 122          },
 123  
 124          /**
 125           * The name of the alert.
 126           *
 127           * @attribute title
 128           * @type String
 129           * @default ''
 130           */
 131          name : {
 132              value : ''
 133          },
 134  
 135          /**
 136           * The name of the file where the error was thrown.
 137           *
 138           * @attribute fileName
 139           * @type String
 140           * @default ''
 141           */
 142          fileName : {
 143              value : ''
 144          },
 145  
 146          /**
 147           * The line number where the error was thrown.
 148           *
 149           * @attribute lineNumber
 150           * @type String
 151           * @default ''
 152           */
 153          lineNumber : {
 154              value : ''
 155          },
 156  
 157          /**
 158           * The backtrace from the error
 159           *
 160           * @attribute lineNumber
 161           * @type String
 162           * @default ''
 163           */
 164          stack : {
 165              setter : function(str) {
 166                  var lines = Y.Escape.html(str).split("\n"),
 167                      pattern = new RegExp('^(.+)@('+M.cfg.wwwroot+')?(.{0,75}).*:(\\d+)$'),
 168                      i;
 169                  for (i in lines) {
 170                      lines[i] = lines[i].replace(pattern,
 171                              "<div class='stacktrace-line'>ln: $4</div><div class='stacktrace-file'>$3</div><div class='stacktrace-call'>$1</div>");
 172                  }
 173                  return lines.join('');
 174              },
 175              value : ''
 176          },
 177  
 178          /**
 179           * If set, the dialogue is hidden after the specified timeout period.
 180           *
 181           * @attribute hideTimeoutDelay
 182           * @type Number
 183           * @default null
 184           * @optional
 185           */
 186          hideTimeoutDelay : {
 187              validator : Y.Lang.isNumber,
 188              value : null
 189          }
 190      }
 191  });
 192  
 193  M.core.exception = EXCEPTION;
 194  
 195  
 196  }, '@VERSION@', {"requires": ["moodle-core-notification-dialogue"]});