Proyectos de Subversion Moodle

/*  Copyright (c) 2009 Facebook

 *

 *  Licensed under the Apache License, Version 2.0 (the "License");

 *  you may not use this file except in compliance with the License.

 *  You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 *  Unless required by applicable law or agreed to in writing, software

 *  distributed under the License is distributed on an "AS IS" BASIS,

 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 *  See the License for the specific language governing permissions and

 *  limitations under the License.

 */

/**

 * Helper javascript functions for XHProf report tooltips.

 *

 * @author Kannan Muthukkaruppan

 */

// Take a string which is actually a number in comma separated format

// and return a string representing the absolute value of the number.

function stringAbs(x) {

  return x.replace("-", "");

}

// Takes a number in comma-separated string format, and

// returns a boolean to indicate if the number is negative

// or not.

function isNegative(x) {

  return (x.indexOf("-") == 0);

}

function addCommas(nStr)

{

  nStr += '';

  x = nStr.split('.');

  x1 = x[0];

  x2 = x.length > 1 ? '.' + x[1] : '';

  var rgx = /(\d+)(\d{3})/;

  while (rgx.test(x1)) {

    x1 = x1.replace(rgx, '$1' + ',' + '$2');

  }

  return x1 + x2;

}

// Mouseover tips for parent rows in parent/child report..

function ParentRowToolTip(cell, metric)

{

  var metric_val;

  var parent_metric_val;

  var parent_metric_pct_val;

  var col_index;

  var diff_text;

  row = cell.parentNode;

  tds = row.getElementsByTagName("td");

  parent_func    = tds[0].innerHTML;  // name

  if (diff_mode) {

    diff_text = " diff ";

  } else {

    diff_text = "";

  }

  s = '<center>';

  if (metric == "ct") {

    parent_ct      = tds[1].innerHTML;  // calls

    parent_ct_pct  = tds[2].innerHTML;

    func_ct = addCommas(func_ct);

    if (diff_mode) {

      s += 'There are ' + stringAbs(parent_ct) +

        (isNegative(parent_ct) ? ' fewer ' : ' more ') +

        ' calls to ' + func_name + ' from ' + parent_func + '<br>';

      text = " of diff in calls ";

    }  else {

      text = " of calls ";

    }

    s += parent_ct_pct + text + '(' + parent_ct + '/' + func_ct + ') to '

      + func_name + ' are from ' + parent_func + '<br>';

  } else {

    // help for other metrics such as wall time, user cpu time, memory usage

    col_index = metrics_col[metric];

    parent_metric_val     = tds[col_index].innerHTML;

    parent_metric_pct_val = tds[col_index+1].innerHTML;

    metric_val = addCommas(func_metrics[metric]);

    s += parent_metric_pct_val + '(' + parent_metric_val + '/' + metric_val

      + ') of ' + metrics_desc[metric] +

      (diff_mode ? ((isNegative(parent_metric_val) ?

                    " decrease" : " increase")) : "") +

      ' in ' + func_name + ' is due to calls from ' + parent_func + '<br>';

  }

  s += '</center>';

  return s;

}

// Mouseover tips for child rows in parent/child report..

function ChildRowToolTip(cell, metric)

{

  var metric_val;

  var child_metric_val;

  var child_metric_pct_val;

  var col_index;

  var diff_text;

  row = cell.parentNode;

  tds = row.getElementsByTagName("td");

  child_func   = tds[0].innerHTML;  // name

  if (diff_mode) {

    diff_text = " diff ";

  } else {

    diff_text = "";

  }

  s = '<center>';

  if (metric == "ct") {

    child_ct     = tds[1].innerHTML;  // calls

    child_ct_pct = tds[2].innerHTML;

    s += func_name + ' called ' + child_func + ' ' + stringAbs(child_ct) +

      (diff_mode ? (isNegative(child_ct) ? " fewer" : " more") : "" )

        + ' times.<br>';

    s += 'This accounts for ' + child_ct_pct + ' (' + child_ct

        + '/' + total_child_ct

        + ') of function calls made by '  + func_name + '.';

  } else {

    // help for other metrics such as wall time, user cpu time, memory usage

    col_index = metrics_col[metric];

    child_metric_val     = tds[col_index].innerHTML;

    child_metric_pct_val = tds[col_index+1].innerHTML;

    metric_val = addCommas(func_metrics[metric]);

    if (child_func.indexOf("Exclusive Metrics") != -1) {

      s += 'The exclusive ' + metrics_desc[metric] + diff_text

        + ' for ' + func_name

        + ' is ' + child_metric_val + " <br>";

      s += "which is " + child_metric_pct_val + " of the inclusive "

        + metrics_desc[metric]

        + diff_text + " for " + func_name + " (" + metric_val + ").";

    } else {

      s += child_func + ' when called from ' + func_name

        + ' takes ' + stringAbs(child_metric_val)

        + (diff_mode ? (isNegative(child_metric_val) ? " less" : " more") : "")

        + " of " + metrics_desc[metric] + " <br>";

      s += "which is " + child_metric_pct_val + " of the inclusive "

        + metrics_desc[metric]

        + diff_text + " for " + func_name + " (" + metric_val + ").";

    }

  }

  s += '</center>';

  return s;

}

$(document).ready(function() {

  $('td[@metric]').tooltip(

    { bodyHandler: function() {

          var type = $(this).attr('type');

          var metric = $(this).attr('metric');

          if (type == 'Parent') {

             return ParentRowToolTip(this, metric);

          } else if (type == 'Child') {

             return ChildRowToolTip(this, metric);

          }

      },

      showURL : false

    });

  var cur_params = {} ;

  $.each(location.search.replace('?','').split('&'), function(i, x) {

    var y = x.split('='); cur_params[y[0]] = y[1];

  });

  $('input.function_typeahead')

    .autocomplete('typeahead.php', { extraParams : cur_params })

    .result(function(event, item) {

      cur_params['symbol'] = item;

      location.search = '?' + jQuery.param(cur_params);

    });

});