[Sommaire] [Imprimer]

   1  /**
   2   * Horde Image Javascript
   3   *
   4   * Provides the javascript to help during the uploading of images in Horde_Form.
   5   *
   6   * $Horde: horde/js/image.js,v 1.3.4.3 2006/01/01 21:29:02 jan Exp $
   7   *
   8   * Copyright 2003-2006 Marko Djukic <marko@oblo.com>
   9   *
  10   * See the enclosed file COPYING for license information (LGPL). If you did not
  11   * receive this file, see http://www.fsf.org/copyleft/lgpl.html.
  12   */
  13  
  14  /**
  15   * Changes the src of an image target, optionally attaching a time value to the
  16   * URL to make sure that the image does update and not use the browser cache.
  17   *
  18   * @param string src              The srouce to inserted into the image element.
  19   * @param string target           The target element.
  20   * @param optional bool no_cache  If set to true will append the time.
  21   *
  22   * @return bool  False to stop the browser loading anything.
  23   */
  24  function showImage(src, target, no_cache)
  25  {
  26      var img = document.getElementById(target);
  27      if (typeof no_cache == 'undefined') {
  28          var no_cache = false;
  29      }
  30  
  31      if (no_cache) {
  32          var now = new Date();
  33          src = src + '&' + now.getTime();
  34      }
  35  
  36      img.src = src;
  37  
  38      return false;
  39  }
  40  
  41  /**
  42   * Adds to the given source the height/width field values for the given target.
  43   *
  44   * @param string src           The srouce to append to the resize params.
  45   * @param string target        The target element.
  46   * @param optional bool ratio  If set to true will append fix the ratio.
  47   *
  48   * @return string  The modified source to include the resize data.
  49   */
  50  function getResizeSrc(src, target, ratio)
  51  {
  52      var width = document.getElementById('_w_' + target).value;
  53      var height = document.getElementById('_h_' + target).value;
  54      if (typeof ratio == 'undefined') {
  55          var ratio = 0;
  56      }
  57  
  58      src = src + '&' + 'v=' + width + '.' + height + '.' + ratio;
  59  
  60      return src;
  61  }