js/flag.js


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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Bugzilla Bug Tracking System.
 *
 * The Initial Developer of the Original Code is Netscape Communications
 * Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Myk Melez <myk@mozilla.org>
 *  Frédéric Buclin <LpSolit@gmail.com>
 *
 * ***** END LICENSE BLOCK ***** */

// Enables or disables a requestee field depending on whether or not
// the user is requesting the corresponding flag.
function toggleRequesteeField(flagField, no_focus)
{
  // Convert the ID of the flag field into the ID of its corresponding
  // requestee field and then use the ID to get the field.
  var id = flagField.name.replace(/flag(_type)?-(\d+)/, "requestee$1-$2");
  var requesteeField = document.getElementById(id);
  if (!requesteeField) return;

  // Enable or disable the requestee field based on the value
  // of the flag field.
  if (flagField.value == "?") {
      requesteeField.disabled = false;
      if (!no_focus) requesteeField.focus();
  } else
      requesteeField.disabled = true;
}

// Disables requestee fields when the window is loaded since they shouldn't
// be enabled until the user requests that flag type.
function disableRequesteeFields()
{
  var inputElements = document.getElementsByTagName("input");
  var selectElements = document.getElementsByTagName("select");
  //You cannot update Node lists, so you must create an array to combine the NodeLists
  var allElements = [];
  for( var i=0; i < inputElements.length; i++ ) {
      allElements[allElements.length] = inputElements.item(i);
  }
  for( var i=0; i < selectElements.length; i++ ) { //Combine inputs with selects
      allElements[allElements.length] = selectElements.item(i);
  }
  var inputElement, id, flagField;
  for ( var i=0 ; i<allElements.length ; i++ )
  {
    inputElement = allElements[i];
    if (inputElement.name.search(/^requestee(_type)?-(\d+)$/) != -1)
    {
      // Convert the ID of the requestee field into the ID of its corresponding
      // flag field and then use the ID to get the field.
      id = inputElement.name.replace(/requestee(_type)?-(\d+)/, "flag$1-$2");
      flagField = document.getElementById(id);
      if (flagField && flagField.value != "?")
          inputElement.disabled = true;
    }
  }
}
YAHOO.util.Event.addListener(window, "load", disableRequesteeFields);