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matomo / app / libs / HTML / QuickForm2 / Element / InputImage.php

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InputImage.php

163 lines

1	<?php
2	/**
3	* Class for <input type="image" /> elements
4	*
5	* PHP version 5
6	*
7	* LICENSE:
8	*
9	* Copyright (c) 2006-2010, Alexey Borzov <avb@php.net>,
10	* Bertrand Mansion <golgote@mamasam.com>
11	* All rights reserved.
12	*
13	* Redistribution and use in source and binary forms, with or without
14	* modification, are permitted provided that the following conditions
15	* are met:
16	*
17	* * Redistributions of source code must retain the above copyright
18	* notice, this list of conditions and the following disclaimer.
19	* * Redistributions in binary form must reproduce the above copyright
20	* notice, this list of conditions and the following disclaimer in the
21	* documentation and/or other materials provided with the distribution.
22	* * The names of the authors may not be used to endorse or promote products
23	* derived from this software without specific prior written permission.
24	*
25	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
26	* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
27	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
29	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
30	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
31	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
32	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
33	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36	*
37	* @category HTML
38	* @package HTML_QuickForm2
39	* @author Alexey Borzov <avb@php.net>
40	* @author Bertrand Mansion <golgote@mamasam.com>
41	* @license http://opensource.org/licenses/bsd-license.php New BSD License
42	* @version SVN: $Id: InputImage.php 300722 2010-06-24 10:15:52Z mansion $
43	* @link http://pear.php.net/package/HTML_QuickForm2
44	*/
45
46	/**
47	* Base class for <input> elements
48	*/
49	// require_once 'HTML/QuickForm2/Element/Input.php';
50
51	/**
52	* Class for <input type="image" /> elements
53	*
54	* @category HTML
55	* @package HTML_QuickForm2
56	* @author Alexey Borzov <avb@php.net>
57	* @author Bertrand Mansion <golgote@mamasam.com>
58	* @version Release: @package_version@
59	*/
60	class HTML_QuickForm2_Element_InputImage extends HTML_QuickForm2_Element_Input
61	{
62	protected $attributes = array('type' => 'image');
63
64	/**
65	* Coordinates of user click within the image, array contains keys 'x' and 'y'
66	* @var array
67	*/
68	protected $coordinates = null;
69
70	/**
71	* Image buttons can not be frozen
72	*
73	* @param bool Whether element should be frozen or editable. This
74	* parameter is ignored in case of image elements
75	* @return bool Always returns false
76	*/
77	public function toggleFrozen($freeze = null)
78	{
79	return false;
80	}
81
82	/**
83	* Image button's value cannot be set via this method
84	*
85	* @param mixed Element's value, this parameter is ignored
86	* @return HTML_QuickForm2_Element_InputImage
87	*/
88	public function setValue($value)
89	{
90	return $this;
91	}
92
93	/**
94	* Returns the element's value
95	*
96	* The value is only returned if the form was actually submitted and this
97	* image button was clicked. Returns null in all other cases.
98	*
99	* @return array\|null An array with keys 'x' and 'y' containing the
100	* coordinates of user click if the image was clicked,
101	* null otherwise
102	*/
103	public function getValue()
104	{
105	return $this->getAttribute('disabled')? null: $this->applyFilters($this->coordinates);
106	}
107
108	/**
109	* Returns the HTML representation of the element
110	*
111	* The method changes the element's name to foo[bar][] if it was foo[bar]
112	* originally. If it is not done, then one of the click coordinates will be
113	* lost, see {@link http://bugs.php.net/bug.php?id=745}
114	*
115	* @return string
116	*/
117	public function __toString()
118	{
119	if (false === strpos($this->attributes['name'], '[') \|\|
120	'[]' == substr($this->attributes['name'], -2))
121	{
122	return parent::__toString();
123	} else {
124	$this->attributes['name'] .= '[]';
125	$html = parent::__toString();
126	$this->attributes['name'] = substr($this->attributes['name'], 0, -2);
127	return $html;
128	}
129	}
130
131	public function updateValue()
132	{
133	foreach ($this->getDataSources() as $ds) {
134	if ($ds instanceof HTML_QuickForm2_DataSource_Submit) {
135	$name = $this->getName();
136	if (false === strpos($name, '[') &&
137	null !== ($value = $ds->getValue($name . '_x')))
138	{
139	$this->coordinates = array(
140	'x' => $value,
141	'y' => $ds->getValue($name . '_y')
142	);
143	return;
144
145	} elseif (false !== strpos($name, '[')) {
146	if ('[]' == substr($name, -2)) {
147	$name = substr($name, 0, -2);
148	}
149	if (null !== ($value = $ds->getValue($name))) {
150	$this->coordinates = array(
151	'x' => $value[0],
152	'y' => $value[1]
153	);
154	return;
155	}
156	}
157	}
158	}
159	$this->coordinates = null;
160	}
161	}
162	?>
163