com.newsblob.phphtmllib/examples/form4.php

<?php

/**
 * This example illustrates the use of the master slave element
 *
 *
 * $Id: form4.php,v 1.2 2004/04/01 17:23:24 hemna Exp $
 *
 * @author Sumedh Thakar <sumedh_thakar@yahoo.com>
 * @package phpHtmlLib
 * @subpackage form-examples
 * @version 2.2.0
 *
 */ 

/**
 * Include the phphtmllib libraries
 *
 */
include("includes.inc");

/**
 * Include the Form Processing objects
 *
 */
include_once($phphtmllib."/form/includes.inc");


//use the class we defined from 

include_once("MyLayoutPage.inc");

/**
 * A simple class to be the master. It contains a list of countries and the acceptable states for each county.
 *  
 * @author Sumedh Thakar <sumedh_thakar@yahoo.com>
 * @package phpHtmlLib
 * @subpackage form-examples 
 */

class FECountryListMaster extends FEListBoxMaster {
    /**
     * The states array format "United States" => array ("code" => "US",
     *                                                   "slave" => Array("California" => "CA")
     *                                                  )
     * if a seperate "code" value is not given then the array key (country name) is used
     *  
     * @var array
     */
    var $_countries = array("Select Country",
                         "Hungary" ,
                         "Iceland" ,
                         "India" => array(
                                "slave" => array("Select State" => "",
                                                "Andhra Pradesh" => "Andhra Pradesh",
                                                "Andaman and Nicobar Islands" => "Andaman and Nicobar Islands",
                                                "Maharashtra" => "Maharashtra",
                                                "Manipur" => "Manipur",
                                                "Uttar Pradesh" => "Uttar Pradesh",
                                                "Uttaranchal" => "Uttaranchal",
                                                "West Bengal" => "West Bengal",
                                           )
                                ),
                         "Italy" ,
                         "Jamaica" ,
                         "Japan" ,
                         "Jersey, C.I." ,
                         "Jordan" ,
                         "Kazakhstan" ,
                         "Kenya" ,
                         "United Kingdom" ,
                         "United States of America" => array(
                             "slave" => array("Select State" => "",
                                             "Alabama" => "Alabama",
                                             "California" => "California",
                                             "Colorado" => "Colorado",
                                             "Guam" => "Guam",
                                             "American Samoa" => "American Samoa",
                                             "Palau" => "Palau",
                                            )
                                  ),
                         "Uruguay" ,
                         "Uzbekistan" ,
                         "Zimbabwe" 
                       );
            

    /**
     * The constructor
     * 
     * @param string text label for the element
     * @param boolean is this a required element?
     * @param int element width in characters, pixels (px), percentage (%) or elements (em)
     * @param int element height in px
     * 
     */
    function FECountryListMaster($label, $required = TRUE, $width = NULL, $height = NULL) {

        //Get the data and put it in the format that FEListBoxMaster wants it.
        $tmp = array();
        foreach($this->_countries as $key => $country){
            if(!is_array($country)){
                $tmp[$country] = array("code"=>$country);
            }else{
                $tmp[$key] = $country;
                $tmp[$key]["code"] = $key;
            }
        }
        $tmp['Select Country']["code"] = "";
       
        //Create the master.
        $this->FEListBoxMaster($label, $required, $width, $height);
        //Set the master-slave array
        $this->set_list_data($tmp);
    }

}
/**
 * This demonstrates the power of the master-slave relationship between two list elements
 * The control produces the javascript required to change the value of the slave when the
 * master changes. It also automatically does the verification to check if the given value
 * of the slave is in the list of values for the given master. This way your validation is
 * taken care of
 * 
 * @author Sumedh Thakar <sumedh_thakar@yahoo.com>
 * @package phpHtmlLib
 * @subpackage form-examples 
 */
class Form4Page extends MyLayoutPage {

    function content_block() {
        //build the FormProcessor, and add the
        //Form content object that the FormProcessor 
        //will use.  Make the width of the form 600
        return new FormProcessor( new MasterSlaveForm(600));
    }
}


/**
 * This is the Class that handles the building
 * of the Form itself.  It creates the Form Elements
 * inside the form_init_elements() method.
 *
 * @author Sumedh Thakar <sumedh_thakar@yahoo.com>
 * @package phpHtmlLib
 * @subpackage form-examples  
 */
class MasterSlaveForm extends FormContent {

    /**
     * This method gets called EVERY time the object is
     * created.  It is used to build all of the 
     * FormElement objects used in this Form.
     *
     */
    function form_init_elements() {
        //we do not want any confirmation page for this form.
        $this->set_confirm(false);
        
        //Create the slave element, a simple dropdown
        $state = new FEListBox("State",true);
        
        $this->add_element($state);
        
        //Create the master element
        $country = new FECountryListMaster("Country");
        
        //Set the state as the slave of this. remember to pass an array of references
        $country->set_slave_elements(array(&$state));
        
        $this->add_element($country);

        //Create the slave element, a simple dropdown
        $state1 = new FEListBox("State1",true);
        
        $this->add_element($state1);
        
        //Create the master element
        $country1 = new FECountryListMaster("Country1");
        
        //Set the state as the slave of this. remember to pass an array of references
        $country1->set_slave_elements(array(&$state1));
        
        $this->add_element($country1);
        
    }

    /**
     * This method is called only the first time the form
     * page is hit.  This enables u to query a DB and 
     * pre populate the FormElement objects with data.
     *
     */
    function form_init_data() {
        
        //In this example we just hard code some
        //initial values
        $this->set_element_value("Country", "India");
        
        $this->set_element_value("State", "Maharashtra");

        $this->set_element_value("Country1", "United States of America");

        $this->set_element_value("State1", "California");

        
    }


    /**
     * This is the method that builds the layout of where the
     * FormElements will live.  You can lay it out any way
     * you like.
     *
     */
    function form() {
        $table = &html_table($this->_width,0,4);
        $table->set_style("border: 1px solid");

        $table->add_row($this->element_label("Country"), 
                        $this->element_form("Country"));

        $table->add_row($this->element_label("State"), 
                        $this->element_form("State"));

        $table->add_row($this->element_label("Country1"), 
                        $this->element_form("Country1"));

        $table->add_row($this->element_label("State1"), 
                        $this->element_form("State1"));


        $table->add_row(_HTML_SPACE, $this->add_action("Submit"));

        return $table;
    }

    
    /**
     * This method is called ONLY after ALL validation has
     * passed.  This is the method that allows you to 
     * do something with the data, say insert/update records
     * in the DB.
     */
    function form_action() {
        
        $this->set_action_message("Country :".$this->get_element_value("Country")." State ".$this->get_element_value("State")."Country1 :".$this->get_element_value("Country1")." State1 ".$this->get_element_value("State1"));
        
        return TRUE;
    }
}


$page = new Form4Page("Master-Slave list example");
print $page->render();
?>
1	<?php
2
3	/**
4	* This example illustrates the use of the master slave element
5	*
6	*
7	* $Id: form4.php,v 1.2 2004/04/01 17:23:24 hemna Exp $
8	*
9	* @author Sumedh Thakar <sumedh_thakar@yahoo.com>
10	* @package phpHtmlLib
11	* @subpackage form-examples
12	* @version 2.2.0
13	*
14	*/
15
16	/**
17	* Include the phphtmllib libraries
18	*
19	*/
20	include("includes.inc");
21
22	/**
23	* Include the Form Processing objects
24	*
25	*/
26	include_once($phphtmllib."/form/includes.inc");
27
28
29	//use the class we defined from
30
31	include_once("MyLayoutPage.inc");
32
33	/**
34	* A simple class to be the master. It contains a list of countries and the acceptable states for each county.
35	*
36	* @author Sumedh Thakar <sumedh_thakar@yahoo.com>
37	* @package phpHtmlLib
38	* @subpackage form-examples
39	*/
40
41	class FECountryListMaster extends FEListBoxMaster {
42	/**
43	* The states array format "United States" => array ("code" => "US",
44	* "slave" => Array("California" => "CA")
45	* )
46	* if a seperate "code" value is not given then the array key (country name) is used
47	*
48	* @var array
49	*/
50	var $_countries = array("Select Country",
51	"Hungary" ,
52	"Iceland" ,
53	"India" => array(
54	"slave" => array("Select State" => "",
55	"Andhra Pradesh" => "Andhra Pradesh",
56	"Andaman and Nicobar Islands" => "Andaman and Nicobar Islands",
57	"Maharashtra" => "Maharashtra",
58	"Manipur" => "Manipur",
59	"Uttar Pradesh" => "Uttar Pradesh",
60	"Uttaranchal" => "Uttaranchal",
61	"West Bengal" => "West Bengal",
62	)
63	),
64	"Italy" ,
65	"Jamaica" ,
66	"Japan" ,
67	"Jersey, C.I." ,
68	"Jordan" ,
69	"Kazakhstan" ,
70	"Kenya" ,
71	"United Kingdom" ,
72	"United States of America" => array(
73	"slave" => array("Select State" => "",
74	"Alabama" => "Alabama",
75	"California" => "California",
76	"Colorado" => "Colorado",
77	"Guam" => "Guam",
78	"American Samoa" => "American Samoa",
79	"Palau" => "Palau",
80	)
81	),
82	"Uruguay" ,
83	"Uzbekistan" ,
84	"Zimbabwe"
85	);
86
87
88	/**
89	* The constructor
90	*
91	* @param string text label for the element
92	* @param boolean is this a required element?
93	* @param int element width in characters, pixels (px), percentage (%) or elements (em)
94	* @param int element height in px
95	*
96	*/
97	function FECountryListMaster($label, $required = TRUE, $width = NULL, $height = NULL) {
98
99	//Get the data and put it in the format that FEListBoxMaster wants it.
100	$tmp = array();
101	foreach($this->_countries as $key => $country){
102	if(!is_array($country)){
103	$tmp[$country] = array("code"=>$country);
104	}else{
105	$tmp[$key] = $country;
106	$tmp[$key]["code"] = $key;
107	}
108	}
109	$tmp['Select Country']["code"] = "";
110
111	//Create the master.
112	$this->FEListBoxMaster($label, $required, $width, $height);
113	//Set the master-slave array
114	$this->set_list_data($tmp);
115	}
116
117	}
118	/**
119	* This demonstrates the power of the master-slave relationship between two list elements
120	* The control produces the javascript required to change the value of the slave when the
121	* master changes. It also automatically does the verification to check if the given value
122	* of the slave is in the list of values for the given master. This way your validation is
123	* taken care of
124	*
125	* @author Sumedh Thakar <sumedh_thakar@yahoo.com>
126	* @package phpHtmlLib
127	* @subpackage form-examples
128	*/
129	class Form4Page extends MyLayoutPage {
130
131	function content_block() {
132	//build the FormProcessor, and add the
133	//Form content object that the FormProcessor
134	//will use. Make the width of the form 600
135	return new FormProcessor( new MasterSlaveForm(600));
136	}
137	}
138
139
140	/**
141	* This is the Class that handles the building
142	* of the Form itself. It creates the Form Elements
143	* inside the form_init_elements() method.
144	*
145	* @author Sumedh Thakar <sumedh_thakar@yahoo.com>
146	* @package phpHtmlLib
147	* @subpackage form-examples
148	*/
149	class MasterSlaveForm extends FormContent {
150
151	/**
152	* This method gets called EVERY time the object is
153	* created. It is used to build all of the
154	* FormElement objects used in this Form.
155	*
156	*/
157	function form_init_elements() {
158	//we do not want any confirmation page for this form.
159	$this->set_confirm(false);
160
161	//Create the slave element, a simple dropdown
162	$state = new FEListBox("State",true);
163
164	$this->add_element($state);
165
166	//Create the master element
167	$country = new FECountryListMaster("Country");
168
169	//Set the state as the slave of this. remember to pass an array of references
170	$country->set_slave_elements(array(&$state));
171
172	$this->add_element($country);
173
174	//Create the slave element, a simple dropdown
175	$state1 = new FEListBox("State1",true);
176
177	$this->add_element($state1);
178
179	//Create the master element
180	$country1 = new FECountryListMaster("Country1");
181
182	//Set the state as the slave of this. remember to pass an array of references
183	$country1->set_slave_elements(array(&$state1));
184
185	$this->add_element($country1);
186
187	}
188
189	/**
190	* This method is called only the first time the form
191	* page is hit. This enables u to query a DB and
192	* pre populate the FormElement objects with data.
193	*
194	*/
195	function form_init_data() {
196
197	//In this example we just hard code some
198	//initial values
199	$this->set_element_value("Country", "India");
200
201	$this->set_element_value("State", "Maharashtra");
202
203	$this->set_element_value("Country1", "United States of America");
204
205	$this->set_element_value("State1", "California");
206
207
208	}
209
210
211	/**
212	* This is the method that builds the layout of where the
213	* FormElements will live. You can lay it out any way
214	* you like.
215	*
216	*/
217	function form() {
218	$table = &html_table($this->_width,0,4);
219	$table->set_style("border: 1px solid");
220
221	$table->add_row($this->element_label("Country"),
222	$this->element_form("Country"));
223
224	$table->add_row($this->element_label("State"),
225	$this->element_form("State"));
226
227	$table->add_row($this->element_label("Country1"),
228	$this->element_form("Country1"));
229
230	$table->add_row($this->element_label("State1"),
231	$this->element_form("State1"));
232
233
234	$table->add_row(_HTML_SPACE, $this->add_action("Submit"));
235
236	return $table;
237	}
238
239
240	/**
241	* This method is called ONLY after ALL validation has
242	* passed. This is the method that allows you to
243	* do something with the data, say insert/update records
244	* in the DB.
245	*/
246	function form_action() {
247
248	$this->set_action_message("Country :".$this->get_element_value("Country")." State ".$this->get_element_value("State")."Country1 :".$this->get_element_value("Country1")." State1 ".$this->get_element_value("State1"));
249
250	return TRUE;
251	}
252	}
253
254
255	$page = new Form4Page("Master-Slave list example");
256	print $page->render();
257	?>
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