includes/clientside/static/autofill.js
author Dan
Thu, 03 Jul 2008 15:08:35 -0400
changeset 594 738c61b498a6
parent 582 a38876c0793c
child 645 24f2fa13a2a0
permissions -rw-r--r--
A little more optimization work, client-side this time. I lied, no librijnadel2 here, but it's about to be merged in...
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/**
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 * Javascript auto-completion for form fields. This supercedes the code in autocomplete.js for MOZILLA ONLY. It doesn't seem to work real
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 * well with other browsers yet.
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 */
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// fill schemas
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var autofill_schemas = {};
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// default, generic schema
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autofill_schemas.generic = {
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  template: '<div id="--ID--_region" spry:region="autofill_ds_--CLASS--" class="tblholder">' + "\n" +
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            '  <table border="0" cellspacing="1" cellpadding="3" style="font-size: smaller;">' + "\n" +
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            '    <tr spry:repeat="autofill_region_--ID--">' + "\n" +
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            '      <td class="row1" spry:suggest="{name}">{name}</td>' + "\n" +
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            '    </tr>' + "\n" +
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            '  </table>' + "\n" +
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            '</div>',
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  init: function(element, fillclass)
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  {
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    // calculate positions before spry f***s everything up
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    var top = $dynano(element).Top() + $dynano(element).Height() - 10; // tblholder has 10px top margin
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    var left = $dynano(element).Left();
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    // dataset name
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    var ds_name = 'autofill_ds_' + fillclass;
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    var allow_anon = ( params.allow_anon ) ? '1' : '0';
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    // setup the dataset
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    window[ds_name] = new Spry.Data.JSONDataSet(makeUrlNS('Special', 'Autofill', 'type=' + fillclass + '&allow_anon' + allow_anon));
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    // inject our HTML wrapper
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    var template = this.template.replace(new RegExp('--ID--', 'g'), element.id).replace(new RegExp('--CLASS--', 'g', fillclass));
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    var wrapper = element.parentNode; // document.createElement('div');
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    wrapper.id = 'autofill_wrap_' + element.id;
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    // a bunch of hacks to add a spry wrapper
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    wrapper.innerHTML = template + wrapper.innerHTML;
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    var autosuggest = new Spry.Widget.AutoSuggest("autofill_wrap_" + element.id, element.id + '_region', window[ds_name], 'name', {loadFromServer: true, urlParam: 'userinput', hoverSuggestClass: 'row2', minCharsType: 3});
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    var regiondiv = document.getElementById(element.id + '_region');
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    regiondiv.style.position = 'absolute';
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    regiondiv.style.top = top + 'px';
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    regiondiv.style.left = left + 'px';
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  }
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};
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function autofill_init_element(element, params)
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{
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  if ( element.parentNode.id.match(/^autofill_wrap_/) )
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    return false;
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  if ( !Spry.Data );
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    load_spry_data();
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  params = params || {};
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  // assign an ID if it doesn't have one yet
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  if ( !element.id )
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  {
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    element.id = 'autofill_' + Math.floor(Math.random() * 100000);
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  }
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  var id = element.id;
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  // get the fill type
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  var fillclass = element.className;
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  fillclass = fillclass.split(' ');
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  fillclass = fillclass[1];
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  var schema = ( autofill_schemas[fillclass] ) ? autofill_schemas[fillclass] : autofill_schemas['generic'];
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  if ( typeof(schema.init) != 'function' )
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  {
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    schema.init = autofill_schemas.generic.init;
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  }
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  schema.init(element, fillclass, params);
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  element.af_initted = true;
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}
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var autofill_onload = function()
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{
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  if ( this.loaded )
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  {
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    return true;
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  }
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  autofill_schemas.username = {
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    template: '<div id="--ID--_region" spry:region="autofill_ds_username" class="tblholder">' + "\n" +
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              '  <table border="0" cellspacing="1" cellpadding="3" style="font-size: smaller;">' + "\n" +
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              '    <tr>' + "\n" +
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              '      <th>' + $lang.get('user_autofill_heading_suggestions') + '</th>' + "\n" +
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              '    </tr>' + "\n" +
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              '    <tr spry:repeat="autofill_region_--ID--">' + "\n" +
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              '      <td class="row1" spry:suggest="{name}">{name_highlight}<br /><small style="{rank_style}">{rank_title}</small></td>' + "\n" +
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              '    </tr>' + "\n" +
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              '  </table>' + "\n" +
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              '</div>',
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    init: function(element, fillclass, params)
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    {
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      // calculate positions before spry f***s everything up
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      var top = $dynano(element).Top() + $dynano(element).Height() - 10; // tblholder has 10px top margin
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      var left = $dynano(element).Left();
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      var allow_anon = ( params.allow_anon ) ? '1' : '0';
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      // setup the dataset
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      if ( !window.autofill_ds_username )
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      {
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        window.autofill_ds_username = new Spry.Data.JSONDataSet(makeUrlNS('Special', 'Autofill', 'type=' + fillclass + '&allow_anon' + allow_anon));
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      }
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      // inject our HTML wrapper
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      var template = this.template.replace(new RegExp('--ID--', 'g'), element.id);
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      var wrapper = element.parentNode; // document.createElement('div');
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      wrapper.id = 'autofill_wrap_' + element.id;
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      // a bunch of hacks to add a spry wrapper
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      wrapper.innerHTML = template + wrapper.innerHTML;
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      var autosuggest = new Spry.Widget.AutoSuggest("autofill_wrap_" + element.id, element.id + '_region', window.autofill_ds_username, 'name', {loadFromServer: true, urlParam: 'userinput', hoverSuggestClass: 'row2', minCharsType: 3});
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      var regiondiv = document.getElementById(element.id + '_region');
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      regiondiv.style.position = 'absolute';
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      regiondiv.style.top = top + 'px';
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      regiondiv.style.left = left + 'px';
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    }
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  };
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  autofill_schemas.page = {
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    template: '<div id="--ID--_region" spry:region="autofill_region_--ID--" class="tblholder">' + "\n" +
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              '  <table border="0" cellspacing="1" cellpadding="3" style="font-size: smaller;">' + "\n" +
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              '    <tr>' + "\n" +
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              '      <th colspan="2">' + $lang.get('page_autosuggest_heading') + '</th>' + "\n" +
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              '    </tr>' + "\n" +
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              '    <tr spry:repeat="autofill_region_--ID--">' + "\n" +
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              '      <td class="row1" spry:suggest="{page_id}">{pid_highlight}<br /><small>{name_highlight}</small></td>' + "\n" +
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              '    </tr>' + "\n" +
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              '  </table>' + "\n" +
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              '</div>'
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  }
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  var inputs = document.getElementsByClassName('input', 'autofill');
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  if ( inputs.length > 0 )
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  {
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    // we have at least one input that needs to be made an autofill element.
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    // is spry data loaded?
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    if ( !Spry.Data )
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    {
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      load_spry_data();
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      return true;
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    }
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  }
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  this.loaded = true;
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  for ( var i = 0; i < inputs.length; i++ )
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  {
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    autofill_init_element(inputs[i]);
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  }
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}
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addOnloadHook(autofill_onload);
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function autofill_force_region_refresh()
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{
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  Spry.Data.initRegions();
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}
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function AutofillUsername(element, event, allowanon)
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{
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  element.onkeyup = element.onkeydown = element.onkeypress = function(e) {};
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  element.className = 'autofill username';
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  allowanon = allowanon ? true : false;
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  autofill_init_element(element, {
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      allow_anon: allowanon
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    });
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}
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// load spry data components
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function load_spry_data()
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{
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  var scripts = [ 'SpryData.js', 'SpryJSONDataSet.js', 'SpryAutoSuggest.js' ];
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  for ( var i = 0; i < scripts.length; i++ )
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  {
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    load_component(scripts[i]);
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  }
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  autofill_onload();
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}