install/includes/js/formutils.js
author Dan
Thu, 16 Apr 2009 13:01:22 -0400
changeset 931 9575aa88381f
parent 439 d9dd2b2134c4
child 1116 220428d80925
permissions -rw-r--r--
Installer: Form AJAX action no longer fades (too slow!)
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/**
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 * Images used for form field validation
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 * @var string img_bad: Shown on field validation failure
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 * @var string img_good: Shown on field validation success
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 * @var string img_neu: Shown when a field's value matches known good regexp but still needs testing (e.g. DB info)
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 */
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var img_bad = '../images/checkbad.png';
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var img_good = '../images/check.png';
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var img_neu = '../images/checkunk.png';
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/**
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 * Highlights the background of the next-up <tr> tag.
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 * @param object Form field
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 */
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function set_focus(item)
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{
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  var hint_id = ( item.type == 'radio' ) ? 'hint_' + item.name + '_' + item.value : 'hint_' + item.name;
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  if ( document.getElementById(hint_id) )
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  {
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    var el = document.getElementById(hint_id);
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    el.style.zIndex = String(getHighestZ() + 2);
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    domObjChangeOpac(0, el);
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    el.style.display = 'block';
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    domOpacity(el, 0, 100, 400);
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  }
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  item = getParentTR(item);
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  if ( item.tagName == 'TR' )
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  {
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    item.style.backgroundColor = '#FFFFE0';
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  }
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}
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/**
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 * Clears the background of the next-up <tr> tag.
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 * @param object Form field
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 */
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function clear_focus(item)
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{
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  var hint_id = ( item.type == 'radio' ) ? 'hint_' + item.name + '_' + item.value : 'hint_' + item.name;
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  if ( document.getElementById(hint_id) )
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  {
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    var el = document.getElementById(hint_id);
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    // el.style.display = 'none';
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    domOpacity(el, 100, 0, 200);
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    setTimeout(function()
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      {
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        el.style.display = 'none';
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      }, 250);
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  }
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  item = getParentTR(item);
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  if ( item.tagName == 'TR' )
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  {
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    if ( IE )
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    {
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      item.style.backgroundColor = 'transparent';
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    }
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    else
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    {
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      item.style.backgroundColor = null;
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    }
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  }
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}
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function getParentTR(item)
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{
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  var tagName = item.tagName;
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  while ( tagName != 'TR' && tagName != null )
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  {
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    item = item.parentNode;
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    tagName = item.tagName;
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  }
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  if ( tagName == 'TR' && item.className != 'nohighlight' )
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  {
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    return item;
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  }
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  return null;
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}
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function init_hint(input, hint)
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{
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  hint.className = 'fieldtip_js';
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  setTimeout(function()
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    {
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      if ( input.type == 'radio' )
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      {
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        var tr = getParentTR(input).parentNode.parentNode.parentNode;
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        var span_width = $(tr).Width() - 24;
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      }
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      else
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      {
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        var span_width = $(input).Width() - 24;
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      }
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      var span_top = $(input).Top() + $(input).Height();
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      var span_left = $(input).Left();
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      hint.style.top = span_top + 'px';
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      hint.style.left = span_left + 'px';
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      hint.style.width = span_width + 'px';
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      hint.style.display = 'none';
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    }, 100);
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}
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var set_inputs_to_highlight = function()
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{
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  var inputs = document.getElementsByTagName('input');
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  for ( var i = 0; i < inputs.length; i++ )
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  {
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    // Highlighting
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    var tr = getParentTR(inputs[i]);
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    if ( tr )
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    {
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      inputs[i].onfocus = function()
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      {
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        set_focus(this);
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      }
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      inputs[i].onblur = function()
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      {
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        clear_focus(this);
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      }
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    }
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    // Hints
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    var hint_id = ( inputs[i].type == 'radio' ) ? 'hint_' + inputs[i].name + '_' + inputs[i].value : 'hint_' + inputs[i].name;
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    if ( document.getElementById(hint_id) )
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    {
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      var el = document.getElementById(hint_id);
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      if ( el.tagName == 'SPAN' )
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      {
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        init_hint(inputs[i], el);
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      }
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    }
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  }
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}
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addOnloadHook(set_inputs_to_highlight);
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function install_set_ajax_loading()
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{
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  var base = document.getElementById('enano-body');
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  var hider = document.createElement('div');
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  hider.style.position = 'absolute';
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  hider.style.backgroundColor = '#FFFFFF';
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  hider.style.top = $(base).Top() + 'px';
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  hider.style.left = $(base).Left() + 'px';
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  hider.style.width = $(base).Width() + 'px';
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  hider.style.height = $(base).Height() + 'px';
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  hider.style.backgroundPosition = 'center center';
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  hider.style.backgroundImage = 'url(../images/loading-big.gif)';
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  hider.style.backgroundRepeat = 'no-repeat';
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  hider.id = 'ajax_loader';
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  domObjChangeOpac(70, hider);
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  var body = document.getElementsByTagName('body')[0];
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  body.appendChild(hider);
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  // opacity('ajax_loader', 0, 70, 750);
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}
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function install_unset_ajax_loading()
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{
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  if ( document.getElementById('ajax_loader') )
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  {
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    var body = document.getElementsByTagName('body')[0];
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    body.removeChild(document.getElementById('ajax_loader'));
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    /*
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    opacity('ajax_loader', 70, 0, 750);
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    setTimeout(function()
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      {
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        var body = document.getElementsByTagName('body')[0];
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        body.removeChild(document.getElementById('ajax_loader'));
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      }, 1000);
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    */
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  }
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}