lookup.php

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<?php
/*-------------------------------------------------------------------------------
 * Xataface Web Application Framework
 * Copyright (C) 2005-2009 Web Lite Solutions Corp (shannah@sfu.ca)
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *-------------------------------------------------------------------------------
 */

/*******************************************************************************
 * File:        HTML/QuickForm/lookup.php
 * Author:      Steve Hannah <shannah@sfu.ca>
 * Created: July 13, 2009
 * Description:
 *      HTML QuickForm lookup widget that allows users to click a "lookup" button and 
 * find the record id that they want to place in a field.
 *
 * @example
 * $el = $form->addElement('lookup', 'myfield','My Field');
 * $el->setProperties(array('table'=>'thelookuptable'));
 *
 *
 ******************************************************************************/


require_once 'HTML/QuickForm/text.php';


class HTML_QuickForm_lookup extends HTML_QuickForm_text {
        
        var $index;
        function HTML_QuickForm_lookup($elementName=null, $elementLabel=null, $attributes=null, $properties=null)
    {
                static $index=1;
                $this->index = $index++;
                $this->index_prefix = time();
                if ( !isset($attributes) ) $attributes = array();
                $class = @$attributes['class'];
                $class .= ' xf-lookup xf-lookup-'.$this->index_prefix.'-'.$this->index;
                $attributes['class'] = $class;
                $attributes['df:cloneable'] = 1;
        parent::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
        $this->_type = 'lookup';
        
                
        
    } //end constructor
    
    
    
    function toHtml()
    {
        
        
        
                $out = '';
                
                if ( !defined('HTML_QuickForm_lookup_files_loaded') ){
                        define('HTML_QuickForm_lookup_files_loaded',1);
                        $jt = Dataface_JavascriptTool::getInstance();
                        $jt->import('xataface/widgets/lookup.js');
                        
                        
                }
                $properties = $this->getProperties();
                if ( $this->_flagFrozen ){
                        $properties['frozen'] = 1;
                }
                if ( !isset($properties['callback']) ){
                        $properties['callback'] = 'function(out){}';
                }
                
                ob_start();
                $oldFrozen = $this->_flagFrozen;
                $this->_flagFrozen=0;
                $this->updateAttributes(array('data-xf-lookup-options'=>json_encode($properties)));
                echo parent::toHtml();
                $this->_flagFrozen=$oldFrozen;
                $out .=  ob_get_contents();
                ob_end_clean();
           
           $selector = null;
           if ( $this->getName() ){
                  $selector = "input[name='".$this->getName()."']";
           } else {
                  $selector = '.xf-lookup-'.$this->index_prefix.'-'.$this->index;
           }
                
                
                /*
                $out  .= '
                <script type="text/javascript">
                jQuery(document).ready(function($){
                        var options = '.json_encode($properties).';
                        if ( !options.filters ) options.filters = {};
                        options.dynFilters = {};
                        $.each(options.filters, function(key,val){
                                if ( val.indexOf("$")==0 ){
                                        options.dynFilters[key] = val.substr(1);
                                        delete options.filters[key];
                                }
                        });
                        options.callback = '.$properties['callback'].';
                        options.click = function(){
                                $.each(options.dynFilters, function(key,val){
                                        delete options.filters[key];
                                        $("form *[name="+val+"]").each(function(){
                                                options.filters[key] = $(this).val();
                                        });
                                });
                                
                        };
                        $("'.$selector.'").RecordBrowserWidget(options);
                });
                </script>';
           */
                return '<span style="white-space:nowrap">'.$out.'</span>';
        
                
        
    } //end func toHtml
    
    
    //function getFrozenHtml(){
    //  return $this->getValue();
    //}
    
    
        
        

}