|
1
|
<?php
|
|
2
|
|
|
3
|
/**
|
|
4
|
* @file
|
|
5
|
* Provide diff field functions for the image module.
|
|
6
|
*/
|
|
7
|
|
|
8
|
/**
|
|
9
|
* Diff field callback for preloading the image file entities.
|
|
10
|
*/
|
|
11
|
function image_field_diff_view_prepare(&$old_items, &$new_items, $context) {
|
|
12
|
$fids = array();
|
|
13
|
foreach (array_merge_recursive($old_items, $new_items) as $info) {
|
|
14
|
$fids[$info['fid']] = $info['fid'];
|
|
15
|
}
|
|
16
|
$files = file_load_multiple($fids);
|
|
17
|
|
|
18
|
foreach ($old_items as $delta => $info) {
|
|
19
|
$old_items[$delta]['file'] = isset($files[$info['fid']]) ? $files[$info['fid']] : NULL;
|
|
20
|
}
|
|
21
|
foreach ($new_items as $delta => $info) {
|
|
22
|
$new_items[$delta]['file'] = isset($files[$info['fid']]) ? $files[$info['fid']] : NULL;
|
|
23
|
}
|
|
24
|
}
|
|
25
|
|
|
26
|
/**
|
|
27
|
* Diff field callback for parsing image field comparative values.
|
|
28
|
*/
|
|
29
|
function image_field_diff_view($items, $context) {
|
|
30
|
$instance = $context['instance'];
|
|
31
|
$settings = $context['settings'];
|
|
32
|
|
|
33
|
$diff_items = array();
|
|
34
|
foreach ($items as $delta => $item) {
|
|
35
|
if (isset($item['file'])) {
|
|
36
|
$output = array();
|
|
37
|
|
|
38
|
// We populate as much as possible to allow the best flexability in any
|
|
39
|
// string overrides.
|
|
40
|
$t_args = array();
|
|
41
|
foreach ($item as $key => $value) {
|
|
42
|
if (is_scalar($value)) {
|
|
43
|
$t_args['!' . $key] = $value;
|
|
44
|
}
|
|
45
|
}
|
|
46
|
// Some states do not have the file properties in the item, so put these
|
|
47
|
// out of the main file object.
|
|
48
|
if (!empty($item['file'])) {
|
|
49
|
$file_values = (array) $item['file'];
|
|
50
|
foreach ($file_values as $key => $value) {
|
|
51
|
if (is_scalar($value) && !isset($t_args['!' . $key])) {
|
|
52
|
$t_args['!' . $key] = $value;
|
|
53
|
}
|
|
54
|
}
|
|
55
|
}
|
|
56
|
|
|
57
|
$output[] = t('Image: !filename', $t_args);
|
|
58
|
if ($settings['compare_alt_field'] && !empty($instance['settings']['alt_field'])) {
|
|
59
|
if (!empty($item['alt'])) {
|
|
60
|
$output[] = t('Alt: !alt', $t_args);
|
|
61
|
}
|
|
62
|
}
|
|
63
|
if ($settings['compare_title_field'] && !empty($instance['settings']['title_field'])) {
|
|
64
|
if (!empty($item['title'])) {
|
|
65
|
$output[] = t('Title: !title', $t_args);
|
|
66
|
}
|
|
67
|
}
|
|
68
|
if ($settings['show_id']) {
|
|
69
|
$output[] = t('File ID: !fid', $t_args);
|
|
70
|
}
|
|
71
|
$separator = $settings['property_separator'] == 'nl' ? "\n" : $settings['property_separator'];
|
|
72
|
$diff_items[$delta] = implode($separator, $output);
|
|
73
|
}
|
|
74
|
}
|
|
75
|
|
|
76
|
return $diff_items;
|
|
77
|
}
|
|
78
|
|
|
79
|
/**
|
|
80
|
* Provide default field comparison options.
|
|
81
|
*/
|
|
82
|
function image_field_diff_default_options($field_type) {
|
|
83
|
return array(
|
|
84
|
'show_id' => 0,
|
|
85
|
'compare_alt_field' => 0,
|
|
86
|
'compare_title_field' => 0,
|
|
87
|
'property_separator' => '; ',
|
|
88
|
);
|
|
89
|
}
|
|
90
|
|
|
91
|
/**
|
|
92
|
* Provide a form for setting the field comparison options.
|
|
93
|
*/
|
|
94
|
function image_field_diff_options_form($field_type, $settings) {
|
|
95
|
$options_form = array();
|
|
96
|
$options_form['show_id'] = array(
|
|
97
|
'#type' => 'checkbox',
|
|
98
|
'#title' => t('Show image ID'),
|
|
99
|
'#default_value' => $settings['show_id'],
|
|
100
|
);
|
|
101
|
$options_form['compare_alt_field'] = array(
|
|
102
|
'#type' => 'checkbox',
|
|
103
|
'#title' => t('Compare <em>Alt</em> field'),
|
|
104
|
'#default_value' => $settings['compare_alt_field'],
|
|
105
|
'#description' => t('This is only used if the "Enable <em>Alt</em> field" is checked in the instance settings.'),
|
|
106
|
);
|
|
107
|
$options_form['compare_title_field'] = array(
|
|
108
|
'#type' => 'checkbox',
|
|
109
|
'#title' => t('Compare <em>Title</em> field'),
|
|
110
|
'#default_value' => $settings['compare_title_field'],
|
|
111
|
'#description' => t('This is only used if the "Enable <em>Title</em> field" is checked in the instance settings.'),
|
|
112
|
);
|
|
113
|
$options_form['property_separator'] = array(
|
|
114
|
'#type' => 'select',
|
|
115
|
'#title' => t('Property separator'),
|
|
116
|
'#default_value' => $settings['property_separator'],
|
|
117
|
'#description' => t('Provides the ability to show properties inline or across multiple lines.'),
|
|
118
|
'#options' => array(
|
|
119
|
', ' => t('Comma (,)'),
|
|
120
|
'; ' => t('Semicolon (;)'),
|
|
121
|
' ' => t('Space'),
|
|
122
|
'nl' => t('New line'),
|
|
123
|
),
|
|
124
|
);
|
|
125
|
// Allow users to set their own separator using variable_set().
|
|
126
|
if (!isset($options_form['#options'][$settings['property_separator']])) {
|
|
127
|
$options_form['#options'][$settings['property_separator']] = $settings['property_separator'];
|
|
128
|
}
|
|
129
|
return $options_form;
|
|
130
|
}
|
