/*******************************************************************************
 * dPassword v0.1 - jQuery delayed password masking (iPhone style)
 *
 * licensed under MIT License
 *
 * Copyright (c) 2009 DECAF°, Stefan Ullrich (http://decaf.de)
 *
 * Permission is hereby granted, free of charge, to any person obtaining 
 * a copy of this software and associated documentation files (the "Software"), 
 * to deal in the Software without restriction, including without limitation 
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 * and/or sell copies of the Software, and to permit persons to whom the 
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be 
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Known Issues: - delete marked text will not work
 *               - deleting a single chars will not work if char is 
 *                 not the last char
 *               - view will not follow cursor if textfield is too small
 *               - if id based styles are assigned, these styles will 
 *                 not be taken over
 *
 *******************************************************************************/

(function($){$.fn.dPassword=function(options){var defaults={interval:200,duration:3000,replacement:'%u25CF',prefix:'password_',debug:false}
var opts=$.extend(defaults,options);var checker=new Array();var timer=new Array();$(this).each(function(){if(opts.debug)console.log('init ['+$(this).attr('id')+']');var name=$(this).attr('name');var id=$(this).attr('id');var cssclass=$(this).attr('class');var style=$(this).attr('style');var size=$(this).attr('size');var maxlength=$(this).attr('maxlength');var disabled=$(this).attr('disabled');var tabindex=$(this).attr('tabindex');var accesskey=$(this).attr('accesskey');var value=$(this).attr('value');checker.push(id);timer.push(id);$(this).hide();if(opts.debug){$(this).after('<span id="debug_'+opts.prefix+name+'" style="color: #f00;"></span>');}
$(this).after(' <input name="'+(opts.prefix+name)+'" '+'id="'+(opts.prefix+id)+'" '+'type="text" '+'value="'+value+'" '+
(cssclass!=''?'class="'+cssclass+'"':'')+
(style!=''?'style="'+style+'"':'')+
(size!=''?'size="'+size+'"':'')+
(maxlength!=-1?'maxlength="'+maxlength+'"':'')+
(disabled!=''?'disabled="'+disabled+'"':'')+
(tabindex!=''?'tabindex="'+tabindex+'"':'')+
(accesskey!=undefined?'accesskey="'+accesskey+'"':'')+'autocomplete="off" />');$('label[for='+id+']').attr('for',opts.prefix+id);$(this).attr('tabindex','');$(this).attr('accesskey','');$('#'+opts.prefix+id).bind('focus',function(event){if(opts.debug)console.log('event: focus ['+getId($(this).attr('id'))+']');clearTimeout(checker[getId($(this).attr('id'))]);checker[getId($(this).attr('id'))]=setTimeout("check('"+getId($(this).attr('id'))+"', '')",opts.interval);});$('#'+opts.prefix+id).bind('blur',function(event){if(opts.debug)console.log('event: blur ['+getId($(this).attr('id'))+']');clearTimeout(checker[getId($(this).attr('id'))]);});setTimeout("check('"+id+"', '', true);",opts.interval);});getId=function(id){var pattern=opts.prefix+'(.*)';var regex=new RegExp(pattern);regex.exec(id);id=RegExp.$1;return id;}
setPassword=function(id,str){if(opts.debug)console.log('setPassword: ['+id+']');var tmp='';for(i=0;i<str.length;i++){if(str.charAt(i)==unescape(opts.replacement)){tmp=tmp+$('#'+id).val().charAt(i);}
else{tmp=tmp+str.charAt(i);}}
$('#'+id).val(tmp);}
check=function(id,oldValue,initialCall){if(opts.debug)console.log('check: ['+id+']');var bullets=$('#'+opts.prefix+id).val();if(oldValue!=bullets){setPassword(id,bullets);if(bullets.length>1){var tmp='';for(i=0;i<bullets.length-1;i++){tmp=tmp+unescape(opts.replacement);}
tmp=tmp+bullets.charAt(bullets.length-1);$('#'+opts.prefix+id).val(tmp);}
else{}
clearTimeout(timer[id]);timer[id]=setTimeout("convertLastChar('"+id+"')",opts.duration);}
if(opts.debug){$('#debug_'+opts.prefix+id).text($('#'+id).val());}
if(!initialCall){checker[id]=setTimeout("check('"+id+"', '"+$('#'+opts.prefix+id).val()+"', false)",opts.interval);}}
convertLastChar=function(id){if($('#'+opts.prefix+id).val()!=''){var tmp='';for(i=0;i<$('#'+opts.prefix+id).val().length;i++){tmp=tmp+unescape(opts.replacement);}
$('#'+opts.prefix+id).val(tmp);}}};})(jQuery);