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comparison openmindattribute/views/link_views_handler_argument_target.inc @ 0:124ef8f3b22d

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author Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de>
date Fri, 27 Mar 2015 19:21:42 +0100
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-1:000000000000 0:124ef8f3b22d
1 <?php
2
3 /**
4 * @file
5 * Argument handler to filter results by target.
6 */
7
8 /**
9 * Argument handler to filter results by target.
10 */
11 class link_views_handler_argument_target extends views_handler_argument {
12
13 /**
14 * Provide defaults for the argument when a new one is created.
15 */
16 function options(&$options) {
17 parent::options($options);
18 }
19
20 /**
21 * Provide a default options form for the argument.
22 */
23 function options_form(&$form, &$form_state) {
24 $defaults = $this->default_actions();
25
26 $form['title'] = array(
27 '#prefix' => '<div class="clear-block">',
28 '#suffix' => '</div>',
29 '#type' => 'textfield',
30 '#title' => t('Title'),
31 '#default_value' => $this->options['title'],
32 '#description' => t('The title to use when this argument is present; it will override the title of the view and titles from previous arguments. You can use percent substitution here to replace with argument titles. Use "%1" for the first argument, "%2" for the second, etc.'),
33 );
34
35 $form['clear_start'] = array(
36 '#value' => '<div class="clear-block">',
37 );
38
39 $form['defaults_start'] = array(
40 '#value' => '<div class="views-left-50">',
41 );
42
43 $form['default_action'] = array(
44 '#type' => 'radios',
45 '#title' => t('Action to take if argument is not present'),
46 '#default_value' => $this->options['default_action'],
47 );
48
49 $form['defaults_stop'] = array(
50 '#value' => '</div>',
51 );
52
53 $form['wildcard'] = array(
54 '#prefix' => '<div class="views-right-50">',
55 // prefix and no suffix means these two items will be grouped together.
56 '#type' => 'textfield',
57 '#title' => t('Wildcard'),
58 '#size' => 20,
59 '#default_value' => $this->options['wildcard'],
60 '#description' => t('If this value is received as an argument, the argument will be ignored; i.e, "all values"'),
61 );
62
63 $form['wildcard_substitution'] = array(
64 '#suffix' => '</div>',
65 '#type' => 'textfield',
66 '#title' => t('Wildcard title'),
67 '#size' => 20,
68 '#default_value' => $this->options['wildcard_substitution'],
69 '#description' => t('The title to use for the wildcard in substitutions elsewhere.'),
70 );
71
72 $form['clear_stop'] = array(
73 '#value' => '</div>',
74 );
75
76 $options = array();
77 $validate_options = array();
78 foreach ($defaults as $id => $info) {
79 $options[$id] = $info['title'];
80 if (empty($info['default only'])) {
81 $validate_options[$id] = $info['title'];
82 }
83 if (!empty($info['form method'])) {
84 $this->{$info['form method']}($form, $form_state);
85 }
86 }
87
88 $form['default_action']['#options'] = $options;
89
90 $form['validate_type'] = array(
91 '#type' => 'select',
92 '#title' => t('Validator'),
93 '#default_value' => $this->options['validate_type'],
94 );
95
96 $validate_types = array('none' => t('- Basic validation -'));
97 $plugins = views_fetch_plugin_data('argument validator');
98 foreach ($plugins as $id => $info) {
99 $valid = TRUE;
100 if (!empty($info['type'])) {
101 $valid = FALSE;
102 if (empty($this->definition['validate type'])) {
103 continue;
104 }
105 foreach ((array) $info['type'] as $type) {
106 if ($type == $this->definition['validate type']) {
107 $valid = TRUE;
108 break;
109 }
110 }
111 }
112
113 // If we decide this validator is ok, add it to the list.
114 if ($valid) {
115 $plugin = views_get_plugin('argument validator', $id);
116 if ($plugin) {
117 $plugin->init($this->view, $this, $id);
118 if ($plugin->access()) {
119 $plugin->validate_form($form, $form_state, $id);
120 $validate_types[$id] = $info['title'];
121 }
122 }
123 }
124 }
125
126 asort($validate_types);
127 $form['validate_type']['#options'] = $validate_types;
128 // Show this gadget if *anything* but 'none' is selected
129
130 $form['validate_fail'] = array(
131 '#type' => 'select',
132 '#title' => t('Action to take if argument does not validate'),
133 '#default_value' => $this->options['validate_fail'],
134 '#options' => $validate_options,
135 );
136 }
137
138 /**
139 * Set up the query for this argument.
140 *
141 * The argument sent may be found at $this->argument.
142 */
143 function query($group_by = FALSE) {
144 $this->ensure_my_table();
145 // Because attributes are stored serialized, our only option is to also
146 // serialize the data we're searching for and use LIKE to find similar data.
147 $this->query->add_where(0, $this->table_alias . '.' . $this->real_field . " LIKE '%%%s%'", serialize(array('target' => $this->argument)));
148 }
149 }