form/form_elements/FECheckBox.inc

<?php
/**
 * This file contains the base FECheckBox class.
 *
 * $Id: FECheckBox.inc,v 1.24.2.1 2005/05/12 01:24:02 hemna Exp $
 *
 * @author Walter A. Boring IV <waboring@newsblob.com>
 * @author Suren Markosyan <suren@bcsweb.com>
 * @package phpHtmlLib
 * @subpackage FormProcessing
 *
 * @copyright LGPL - See LICENCE
 *
 */

/**
 * This is the CheckBox FormElement which builds a
 * input field of type="checkbox". It has no validation method.
 *
 *
 * @author Walter A. Boring IV <waboring@newsblob.com>
 * @author Suren Markossian <suren@bcsweb.com>
 * @package phpHtmlLib
 * @subpackage FormProcessing
 *
 * @copyright LGPL - See LICENCE
 */
class FECheckBox extends FormElement {

    /**
     * Holds the checkbox text
     *
     */
    var $_text = NULL;

    /**
     * The constructor
     *
     * @param label string - text label for the element
     * @param string text - checkbox text to be displayed
     */
    function FECheckBox($label, $text=null) {
        $this->FormElement($label, false);
        if ($text === null) {
            $this->_text = $label;
        } else {
            $this->_text = $text;
        }
    }

    /**
     * This provides a method
     * for the FormContent
     * to get access to the
     * text associated with a
     * field.  This is only available
     * on FormElements that have text
     * associated with a field.
     * It is used during Confirmation
     *
     * @return string - the text associated
     */
    function get_value_text() {
        $value = $this->get_value();
        if ($value != NULL) {
            return $this->_text;
        } else {
            return NULL;
        }
    }

    /**
     * This function builds and returns the
     * form element object
     *
     * @return object
     */
    function get_element() {

        $c = form_active_checkbox($this->get_element_name(),
                                  $this->_text,
                                  $this->get_value(),
                                  "form_element",
                                  NULL,
                                  $this->is_disabled());

        return $c;
    }
}

/**
 * This is the CheckBoxList FormElement which builds a
 * list of checkboxes inside a scrollable DIV.
 * It has no validation method.
 *
 *
 * @author Walter A. Boring IV <waboring@newsblob.com>
 * @author Suren Markossian <suren@bcsweb.com>
 * @package phpHtmlLib
 * @subpackage FormProcessing
 *
 * @copyright LGPL - See LICENCE
 */
class FECheckBoxList extends FEMultiListBox {

    /**
     * Flag to tell us to render the check all
     * checkbox
     */
    var $_checkall_flag = FALSE;


    /**
     * This method is used to turn on/off
     * the magic 'check all' checkbox
     *
     * @param boolean
     */
    function enable_checkall($flag=TRUE) {
        $this->_checkall_flag = $flag;
    }


    /**
     * This returns the JS require to
     * do the work of the check all checkbox
     *
     * @return string
     */
    function javascript() {
        if (!$this->_checkall_flag) {
            return '';
        } else {
           $js_name = $this->_js_checkall_name();
           $id_name = 'id'.str_replace('[]','',
                                       str_replace('_','',
                                                   $this->get_element_name()));
           $num = count($this->_data_list);

           $js_str = <<<JSEND

            function $js_name(fromlink) {
                var e_name = '$js_name';
                var checkall = document.getElementById('id_$js_name');
                var num = $num;
                var e;

                if (fromlink) {
                    if (checkall.checked) {
                        checkall.checked = false;
                    } else {
                        checkall.checked = true;
                    }
                }

                state = checkall.checked;

                for (i=0;i<num;i++) {
                    id_name = '$id_name'+i;
                    e = document.getElementById(id_name);
                    e.checked = state;
                }
            }


JSEND;
           return $js_str;
        }
    }

    /**
     * This function builds and returns the
     * form element object
     *
     * @return object
     */
    function get_element() {

        if ($this->_height || $this->_width) {
            $this->set_style_attribute("overflow", "auto");
            $this->set_style_attribute("border", "1px inset");
            $this->set_style_attribute("background-color", "white");
        }

        $attributes = $this->_build_element_attributes();
        unset( $attributes["name"] );
        $div = new DIVtag($attributes);

        $element_name = $this->get_element_name();
        $selected_values = $this->get_value();

        $x=0;
        foreach ($this->_data_list as $text=>$value) {
            $name = str_replace("[]", "[$x]", $element_name);
            $id = str_replace('_','','id'.str_replace('[]','',$element_name).$x);
            $x++;
            $attributes = array("type"=>"checkbox",
                                "name"=>$name,
                                "id"=>$id,
                                "value"=>$value);

            if (is_array($selected_values) && in_array($value, $selected_values))
                $attributes[] = "checked";

            $checkbox = new INPUTtag($attributes);

            if ($this->is_disabled() || isset($this->_disabled_items[$text])) {
                $checkbox->set_tag_attribute("disabled", 'disabled');
                $a = $text;
            } else {
                $js_action = "javascript:e=document.getElementById('" . $id . "'); e.checked=!e.checked;";
                $a_attributes = array("href" => "javascript:void(0)",
                                      "class"=>"form_element",
                                      "onClick" => $js_action);
                $a = new Atag($a_attributes, htmlspecialchars($text), FALSE);
            }

            $check = container( $checkbox, $a );
            $check->set_collapse();

            $div->push($check, html_br());
        }

        //build the checkall if needed
        if ($this->_checkall_flag) {
            $name = $this->_js_checkall_name();
            $onclick = "javascript:".$name."(false);";

            $checkbox = new INPUTtag(array('type' => 'checkbox', 'value' => 0,
                                           'onclick' => $onclick,
                                           'id' => 'id_'.$name));

            $onclick = "javascript:".$name."(true);";
            $a = new Atag(array('href' => 'javascript:void(0)',
                                'class' => 'form_element',
                                'onclick' => $onclick),
                                'Select All', FALSE);

            $check = container($checkbox, $a);

            //so we can get some nice spacing
            $check_div = new DIVtag(array('style' => 'padding-left:1px;padding-top:8px;'),$check);
            $check_div->set_collapse();
            return container($div,$check_div);
        }
        return $div;
    }

    /**
     * This private method builds the name of the js
     * checkall function
     *
     * @return string
     */
    function _js_checkall_name() {
        return str_replace('[]', '',$this->get_element_name()."_checkall");
    }

}
?>
1	jonen	1.1	<?php
2			/**
3			* This file contains the base FECheckBox class.
4			*
5	jonen	1.4	* $Id: FECheckBox.inc,v 1.24.2.1 2005/05/12 01:24:02 hemna Exp $
6	jonen	1.1	*
7	jonen	1.4	* @author Walter A. Boring IV <waboring@newsblob.com>
8	jonen	1.1	* @author Suren Markosyan <suren@bcsweb.com>
9			* @package phpHtmlLib
10			* @subpackage FormProcessing
11			*
12			* @copyright LGPL - See LICENCE
13			*
14			*/
15
16			/**
17			* This is the CheckBox FormElement which builds a
18			* input field of type="checkbox". It has no validation method.
19			*
20			*
21	jonen	1.4	* @author Walter A. Boring IV <waboring@newsblob.com>
22	jonen	1.1	* @author Suren Markossian <suren@bcsweb.com>
23			* @package phpHtmlLib
24			* @subpackage FormProcessing
25			*
26			* @copyright LGPL - See LICENCE
27			*/
28			class FECheckBox extends FormElement {
29
30			/**
31			* Holds the checkbox text
32			*
33			*/
34			var $_text = NULL;
35
36			/**
37			* The constructor
38			*
39			* @param label string - text label for the element
40			* @param string text - checkbox text to be displayed
41			*/
42	jonen	1.4	function FECheckBox($label, $text=null) {
43	jonen	1.1	$this->FormElement($label, false);
44	jonen	1.4	if ($text === null) {
45			$this->_text = $label;
46			} else {
47			$this->_text = $text;
48			}
49	jonen	1.1	}
50
51			/**
52			* This provides a method
53			* for the FormContent
54			* to get access to the
55			* text associated with a
56			* field. This is only available
57			* on FormElements that have text
58			* associated with a field.
59			* It is used during Confirmation
60			*
61			* @return string - the text associated
62			*/
63	jonen	1.3	function get_value_text() {
64			$value = $this->get_value();
65	jonen	1.2	if ($value != NULL) {
66			return $this->_text;
67			} else {
68			return NULL;
69	jonen	1.4	}
70	jonen	1.1	}
71
72			/**
73			* This function builds and returns the
74			* form element object
75			*
76			* @return object
77			*/
78			function get_element() {
79
80			$c = form_active_checkbox($this->get_element_name(),
81			$this->_text,
82			$this->get_value(),
83	jonen	1.4	"form_element",
84			NULL,
85			$this->is_disabled());
86	jonen	1.1
87			return $c;
88			}
89			}
90
91			/**
92			* This is the CheckBoxList FormElement which builds a
93			* list of checkboxes inside a scrollable DIV.
94			* It has no validation method.
95			*
96			*
97	jonen	1.4	* @author Walter A. Boring IV <waboring@newsblob.com>
98	jonen	1.1	* @author Suren Markossian <suren@bcsweb.com>
99			* @package phpHtmlLib
100			* @subpackage FormProcessing
101			*
102			* @copyright LGPL - See LICENCE
103			*/
104			class FECheckBoxList extends FEMultiListBox {
105
106	jonen	1.4	/**
107			* Flag to tell us to render the check all
108			* checkbox
109			*/
110			var $_checkall_flag = FALSE;
111
112
113			/**
114			* This method is used to turn on/off
115			* the magic 'check all' checkbox
116			*
117			* @param boolean
118			*/
119			function enable_checkall($flag=TRUE) {
120			$this->_checkall_flag = $flag;
121			}
122
123
124			/**
125			* This returns the JS require to
126			* do the work of the check all checkbox
127			*
128			* @return string
129			*/
130			function javascript() {
131			if (!$this->_checkall_flag) {
132			return '';
133			} else {
134			$js_name = $this->_js_checkall_name();
135			$id_name = 'id'.str_replace('[]','',
136			str_replace('_','',
137			$this->get_element_name()));
138			$num = count($this->_data_list);
139
140			$js_str = <<<JSEND
141
142			function $js_name(fromlink) {
143			var e_name = '$js_name';
144			var checkall = document.getElementById('id_$js_name');
145			var num = $num;
146			var e;
147
148			if (fromlink) {
149			if (checkall.checked) {
150			checkall.checked = false;
151			} else {
152			checkall.checked = true;
153			}
154			}
155
156			state = checkall.checked;
157
158			for (i=0;i<num;i++) {
159			id_name = '$id_name'+i;
160			e = document.getElementById(id_name);
161			e.checked = state;
162			}
163			}
164
165
166			JSEND;
167			return $js_str;
168			}
169			}
170	jonen	1.3
171	jonen	1.1	/**
172			* This function builds and returns the
173			* form element object
174			*
175			* @return object
176			*/
177			function get_element() {
178
179			if ($this->_height \|\| $this->_width) {
180			$this->set_style_attribute("overflow", "auto");
181			$this->set_style_attribute("border", "1px inset");
182			$this->set_style_attribute("background-color", "white");
183			}
184
185			$attributes = $this->_build_element_attributes();
186	jonen	1.2	unset( $attributes["name"] );
187	jonen	1.4	$div = new DIVtag($attributes);
188	jonen	1.1
189			$element_name = $this->get_element_name();
190			$selected_values = $this->get_value();
191
192			$x=0;
193			foreach ($this->_data_list as $text=>$value) {
194			$name = str_replace("[]", "[$x]", $element_name);
195	jonen	1.4	$id = str_replace('_','','id'.str_replace('[]','',$element_name).$x);
196	jonen	1.1	$x++;
197			$attributes = array("type"=>"checkbox",
198			"name"=>$name,
199	jonen	1.4	"id"=>$id,
200	jonen	1.1	"value"=>$value);
201
202			if (is_array($selected_values) && in_array($value, $selected_values))
203			$attributes[] = "checked";
204
205			$checkbox = new INPUTtag($attributes);
206
207	jonen	1.4	if ($this->is_disabled() \|\| isset($this->_disabled_items[$text])) {
208			$checkbox->set_tag_attribute("disabled", 'disabled');
209	jonen	1.3	$a = $text;
210			} else {
211	jonen	1.4	$js_action = "javascript:e=document.getElementById('" . $id . "'); e.checked=!e.checked;";
212	jonen	1.3	$a_attributes = array("href" => "javascript:void(0)",
213	jonen	1.4	"class"=>"form_element",
214	jonen	1.3	"onClick" => $js_action);
215			$a = new Atag($a_attributes, htmlspecialchars($text), FALSE);
216	jonen	1.4	}
217	jonen	1.1
218			$check = container( $checkbox, $a );
219			$check->set_collapse();
220
221	jonen	1.4	$div->push($check, html_br());
222			}
223
224			//build the checkall if needed
225			if ($this->_checkall_flag) {
226			$name = $this->_js_checkall_name();
227			$onclick = "javascript:".$name."(false);";
228
229			$checkbox = new INPUTtag(array('type' => 'checkbox', 'value' => 0,
230			'onclick' => $onclick,
231			'id' => 'id_'.$name));
232
233			$onclick = "javascript:".$name."(true);";
234			$a = new Atag(array('href' => 'javascript:void(0)',
235			'class' => 'form_element',
236			'onclick' => $onclick),
237			'Select All', FALSE);
238
239			$check = container($checkbox, $a);
240
241			//so we can get some nice spacing
242			$check_div = new DIVtag(array('style' => 'padding-left:1px;padding-top:8px;'),$check);
243			$check_div->set_collapse();
244			return container($div,$check_div);
245	jonen	1.1	}
246	jonen	1.4	return $div;
247			}
248	jonen	1.1
249	jonen	1.4	/**
250			* This private method builds the name of the js
251			* checkall function
252			*
253			* @return string
254			*/
255			function _js_checkall_name() {
256			return str_replace('[]', '',$this->get_element_name()."_checkall");
257			}
258	jonen	1.3
259	jonen	1.1	}
260			?>
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