-
Notifications
You must be signed in to change notification settings - Fork 821
/
CompositeField.php
371 lines (318 loc) · 9.04 KB
/
CompositeField.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
<?php
/**
* Base class for all fields that contain other fields.
*
* Implements sequentialisation - so that when we're saving / loading data, we
* can populate a tabbed form properly. All of the children are stored in
* $this->children
*
* @package forms
* @subpackage fields-structural
*/
class CompositeField extends FormField {
/**
* @var FieldList
*/
protected $children;
/**
* Set to true when this field is a readonly field
*/
protected $readonly;
/**
* @var $columnCount int Toggle different css-rendering for multiple columns
* ("onecolumn", "twocolumns", "threecolumns"). The content is determined
* by the $children-array, so wrap all items you want to have grouped in a
* column inside a CompositeField.
* Caution: Please make sure that this variable actually matches the
* count of your $children.
*/
protected $columnCount = null;
/**
* @var String custom HTML tag to render with, e.g. to produce a <fieldset>.
*/
protected $tag = 'div';
/**
* @var String Optional description for this set of fields.
* If the {@link $tag} property is set to use a 'fieldset', this will be
* rendered as a <legend> tag, otherwise its a 'title' attribute.
*/
protected $legend;
public function __construct($children = null) {
if($children instanceof FieldList) {
$this->children = $children;
} elseif(is_array($children)) {
$this->children = new FieldList($children);
} else {
$children = is_array(func_get_args()) ? func_get_args() : array();
$this->children = new FieldList($children);
}
$this->children->setContainerField($this);
// Skipping FormField::__construct(), but we have to make sure this
// doesn't count as a broken constructor
$this->brokenOnConstruct = false;
Object::__construct();
}
/**
* Returns all the sub-fields, suitable for <% control FieldList %>
*
* @return FieldList
*/
public function FieldList() {
return $this->children;
}
/**
* @deprecated 3.0 Please use {@link FieldList()}.
*/
public function FieldSet() {
Deprecation::notice('3.0', 'Use FieldList() instead.');
return $this->FieldList();
}
public function setID($id) {
$this->id = $id;
return $this;
}
/**
* Accessor method for $this->children
*
* @return FieldList
*/
public function getChildren() {
return $this->children;
}
/**
* @param FieldList $children
*/
public function setChildren($children) {
$this->children = $children;
return $this;
}
/**
* @param string
*/
public function setTag($tag) {
$this->tag = $tag;
return $this;
}
/**
* @return string
*/
public function getTag() {
return $this->tag;
}
/**
* @param string
*/
public function setLegend($legend) {
$this->legend = $legend;
return $this;
}
/**
* @return string
*/
public function getLegend() {
return $this->legend;
}
public function extraClasses() {
$classes = array('field', 'CompositeField', parent::extraClasses());
if($this->columnCount) $classes[] = 'multicolumn';
return implode(' ', $classes);
}
public function getAttributes() {
return array_merge(
parent::getAttributes(),
array(
'tabindex' => null,
'type' => null,
'value' => null,
'type' => null,
'title' => ($this->tag == 'fieldset') ? null : $this->legend
)
);
}
/**
* Add all of the non-composite fields contained within this field to the
* list.
*
* Sequentialisation is used when connecting the form to its data source
*/
public function collateDataFields(&$list, $saveableOnly = false) {
foreach($this->children as $field) {
if(is_object($field)) {
if($field->isComposite()) $field->collateDataFields($list, $saveableOnly);
if($saveableOnly) {
$isIncluded = ($field->hasData() && !$field->isReadonly() && !$field->isDisabled());
} else {
$isIncluded = ($field->hasData());
}
if($isIncluded) {
$name = $field->getName();
if($name) {
$formName = (isset($this->form)) ? $this->form->FormName() : '(unknown form)';
if(isset($list[$name])) {
user_error("collateDataFields() I noticed that a field called '$name' appears twice in"
. " your form: '{$formName}'. One is a '{$field->class}' and the other is a"
. " '{$list[$name]->class}'", E_USER_ERROR);
}
$list[$name] = $field;
}
}
}
}
}
public function setForm($form) {
foreach($this->children as $f)
if(is_object($f)) $f->setForm($form);
parent::setForm($form);
return $this;
}
public function setColumnCount($columnCount) {
$this->columnCount = $columnCount;
return $this;
}
public function getColumnCount() {
return $this->columnCount;
}
public function isComposite() {
return true;
}
public function hasData() {
return false;
}
public function fieldByName($name) {
return $this->children->fieldByName($name);
}
/**
* Add a new child field to the end of the set.
*
* @param FormField
*/
public function push(FormField $field) {
$this->children->push($field);
}
/**
* @uses FieldList->insertBefore()
*/
public function insertBefore($field, $insertBefore) {
$ret = $this->children->insertBefore($field, $insertBefore);
$this->sequentialSet = null;
return $ret;
}
public function insertAfter($field, $insertAfter) {
$ret = $this->children->insertAfter($field, $insertAfter);
$this->sequentialSet = null;
return $ret;
}
/**
* Remove a field from this CompositeField by Name.
* The field could also be inside a CompositeField.
*
* @param string $fieldName The name of the field
* @param boolean $dataFieldOnly If this is true, then a field will only
* be removed if it's a data field. Dataless fields, such as tabs, will
* be left as-is.
*/
public function removeByName($fieldName, $dataFieldOnly = false) {
$this->children->removeByName($fieldName, $dataFieldOnly);
}
public function replaceField($fieldName, $newField) {
return $this->children->replaceField($fieldName, $newField);
}
public function rootFieldList() {
if(is_object($this->containerFieldList)) return $this->containerFieldList->rootFieldList();
else return $this->children;
}
/**
* Return a readonly version of this field. Keeps the composition but returns readonly
* versions of all the child {@link FormField} objects.
*
* @return CompositeField
*/
public function performReadonlyTransformation() {
$newChildren = new FieldList();
$clone = clone $this;
if($clone->getChildren()) foreach($clone->getChildren() as $idx => $child) {
if(is_object($child)) $child = $child->transform(new ReadonlyTransformation());
$newChildren->push($child, $idx);
}
$clone->children = $newChildren;
$clone->readonly = true;
return $clone;
}
/**
* Return a disabled version of this field. Keeps the composition but returns disabled
* versions of all the child {@link FormField} objects.
*
* @return CompositeField
*/
public function performDisabledTransformation() {
$newChildren = new FieldList();
$clone = clone $this;
if($clone->getChildren()) foreach($clone->getChildren() as $idx => $child) {
if(is_object($child)) $child = $child->transform(new DisabledTransformation());
$newChildren->push($child, $idx);
}
$clone->children = $newChildren;
$clone->readonly = true;
return $clone;
}
public function IsReadonly() {
return $this->readonly;
}
/**
* Find the numerical position of a field within
* the children collection. Doesn't work recursively.
*
* @param string|FormField
* @return int Position in children collection (first position starts with 0). Returns FALSE if the field can't
* be found.
*/
public function fieldPosition($field) {
if(is_string($field)) $field = $this->fieldByName($field);
if(!$field) return false;
$i = 0;
foreach($this->children as $child) {
if($child->getName() == $field->getName()) return $i;
$i++;
}
return false;
}
/**
* Transform the named field into a readonly feld.
*
* @param string|FormField
*/
public function makeFieldReadonly($field) {
$fieldName = ($field instanceof FormField) ? $field->getName() : $field;
// Iterate on items, looking for the applicable field
foreach($this->children as $i => $item) {
if($item->isComposite()) {
$item->makeFieldReadonly($fieldName);
} else {
// Once it's found, use FormField::transform to turn the field into a readonly version of itself.
if($item->getName() == $fieldName) {
$this->children->replaceField($fieldName, $item->transform(new ReadonlyTransformation()));
// Clear an internal cache
$this->sequentialSet = null;
// A true results indicates that the field was foudn
return true;
}
}
}
return false;
}
public function debug() {
$result = "$this->class ($this->name) <ul>";
foreach($this->children as $child) {
$result .= "<li>" . Debug::text($child) . " </li>";
}
$result .= "</ul>";
return $result;
}
public function validate($validator) {
$valid = true;
foreach($this->children as $idx => $child){
$valid = ($child && $child->validate($validator) && $valid);
}
return $valid;
}
}