aboutsummaryrefslogtreecommitdiffstats
path: root/library/HTMLPurifier/Printer/ConfigForm.php
blob: 36100ce7384b6eb394f382e87878eaa0e9a7645e (plain) (blame)
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
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
<?php

/**
 * @todo Rewrite to use Interchange objects
 */
class HTMLPurifier_Printer_ConfigForm extends HTMLPurifier_Printer
{

    /**
     * Printers for specific fields.
     * @type HTMLPurifier_Printer[]
     */
    protected $fields = array();

    /**
     * Documentation URL, can have fragment tagged on end.
     * @type string
     */
    protected $docURL;

    /**
     * Name of form element to stuff config in.
     * @type string
     */
    protected $name;

    /**
     * Whether or not to compress directive names, clipping them off
     * after a certain amount of letters. False to disable or integer letters
     * before clipping.
     * @type bool
     */
    protected $compress = false;

    /**
     * @param string $name Form element name for directives to be stuffed into
     * @param string $doc_url String documentation URL, will have fragment tagged on
     * @param bool $compress Integer max length before compressing a directive name, set to false to turn off
     */
    public function __construct(
        $name,
        $doc_url = null,
        $compress = false
    ) {
        parent::__construct();
        $this->docURL = $doc_url;
        $this->name = $name;
        $this->compress = $compress;
        // initialize sub-printers
        $this->fields[0] = new HTMLPurifier_Printer_ConfigForm_default();
        $this->fields[HTMLPurifier_VarParser::BOOL] = new HTMLPurifier_Printer_ConfigForm_bool();
    }

    /**
     * Sets default column and row size for textareas in sub-printers
     * @param $cols Integer columns of textarea, null to use default
     * @param $rows Integer rows of textarea, null to use default
     */
    public function setTextareaDimensions($cols = null, $rows = null)
    {
        if ($cols) {
            $this->fields['default']->cols = $cols;
        }
        if ($rows) {
            $this->fields['default']->rows = $rows;
        }
    }

    /**
     * Retrieves styling, in case it is not accessible by webserver
     */
    public static function getCSS()
    {
        return file_get_contents(HTMLPURIFIER_PREFIX . '/HTMLPurifier/Printer/ConfigForm.css');
    }

    /**
     * Retrieves JavaScript, in case it is not accessible by webserver
     */
    public static function getJavaScript()
    {
        return file_get_contents(HTMLPURIFIER_PREFIX . '/HTMLPurifier/Printer/ConfigForm.js');
    }

    /**
     * Returns HTML output for a configuration form
     * @param HTMLPurifier_Config|array $config Configuration object of current form state, or an array
     *        where [0] has an HTML namespace and [1] is being rendered.
     * @param array|bool $allowed Optional namespace(s) and directives to restrict form to.
     * @param bool $render_controls
     * @return string
     */
    public function render($config, $allowed = true, $render_controls = true)
    {
        if (is_array($config) && isset($config[0])) {
            $gen_config = $config[0];
            $config = $config[1];
        } else {
            $gen_config = $config;
        }

        $this->config = $config;
        $this->genConfig = $gen_config;
        $this->prepareGenerator($gen_config);

        $allowed = HTMLPurifier_Config::getAllowedDirectivesForForm($allowed, $config->def);
        $all = array();
        foreach ($allowed as $key) {
            list($ns, $directive) = $key;
            $all[$ns][$directive] = $config->get($ns . '.' . $directive);
        }

        $ret = '';
        $ret .= $this->start('table', array('class' => 'hp-config'));
        $ret .= $this->start('thead');
        $ret .= $this->start('tr');
        $ret .= $this->element('th', 'Directive', array('class' => 'hp-directive'));
        $ret .= $this->element('th', 'Value', array('class' => 'hp-value'));
        $ret .= $this->end('tr');
        $ret .= $this->end('thead');
        foreach ($all as $ns => $directives) {
            $ret .= $this->renderNamespace($ns, $directives);
        }
        if ($render_controls) {
            $ret .= $this->start('tbody');
            $ret .= $this->start('tr');
            $ret .= $this->start('td', array('colspan' => 2, 'class' => 'controls'));
            $ret .= $this->elementEmpty('input', array('type' => 'submit', 'value' => 'Submit'));
            $ret .= '[<a href="?">Reset</a>]';
            $ret .= $this->end('td');
            $ret .= $this->end('tr');
            $ret .= $this->end('tbody');
        }
        $ret .= $this->end('table');
        return $ret;
    }

    /**
     * Renders a single namespace
     * @param $ns String namespace name
     * @param array $directives array of directives to values
     * @return string
     */
    protected function renderNamespace($ns, $directives)
    {
        $ret = '';
        $ret .= $this->start('tbody', array('class' => 'namespace'));
        $ret .= $this->start('tr');
        $ret .= $this->element('th', $ns, array('colspan' => 2));
        $ret .= $this->end('tr');
        $ret .= $this->end('tbody');
        $ret .= $this->start('tbody');
        foreach ($directives as $directive => $value) {
            $ret .= $this->start('tr');
            $ret .= $this->start('th');
            if ($this->docURL) {
                $url = str_replace('%s', urlencode("$ns.$directive"), $this->docURL);
                $ret .= $this->start('a', array('href' => $url));
            }
            $attr = array('for' => "{$this->name}:$ns.$directive");

            // crop directive name if it's too long
            if (!$this->compress || (strlen($directive) < $this->compress)) {
                $directive_disp = $directive;
            } else {
                $directive_disp = substr($directive, 0, $this->compress - 2) . '...';
                $attr['title'] = $directive;
            }

            $ret .= $this->element(
                'label',
                $directive_disp,
                // component printers must create an element with this id
                $attr
            );
            if ($this->docURL) {
                $ret .= $this->end('a');
            }
            $ret .= $this->end('th');

            $ret .= $this->start('td');
            $def = $this->config->def->info["$ns.$directive"];
            if (is_int($def)) {
                $allow_null = $def < 0;
                $type = abs($def);
            } else {
                $type = $def->type;
                $allow_null = isset($def->allow_null);
            }
            if (!isset($this->fields[$type])) {
                $type = 0;
            } // default
            $type_obj = $this->fields[$type];
            if ($allow_null) {
                $type_obj = new HTMLPurifier_Printer_ConfigForm_NullDecorator($type_obj);
            }
            $ret .= $type_obj->render($ns, $directive, $value, $this->name, array($this->genConfig, $this->config));
            $ret .= $this->end('td');
            $ret .= $this->end('tr');
        }
        $ret .= $this->end('tbody');
        return $ret;
    }

}

/**
 * Printer decorator for directives that accept null
 */
class HTMLPurifier_Printer_ConfigForm_NullDecorator extends HTMLPurifier_Printer
{
    /**
     * Printer being decorated
     * @type HTMLPurifier_Printer
     */
    protected $obj;

    /**
     * @param HTMLPurifier_Printer $obj Printer to decorate
     */
    public function __construct($obj)
    {
        parent::__construct();
        $this->obj = $obj;
    }

    /**
     * @param string $ns
     * @param string $directive
     * @param string $value
     * @param string $name
     * @param HTMLPurifier_Config|array $config
     * @return string
     */
    public function render($ns, $directive, $value, $name, $config)
    {
        if (is_array($config) && isset($config[0])) {
            $gen_config = $config[0];
            $config = $config[1];
        } else {
            $gen_config = $config;
        }
        $this->prepareGenerator($gen_config);

        $ret = '';
        $ret .= $this->start('label', array('for' => "$name:Null_$ns.$directive"));
        $ret .= $this->element('span', "$ns.$directive:", array('class' => 'verbose'));
        $ret .= $this->text(' Null/Disabled');
        $ret .= $this->end('label');
        $attr = array(
            'type' => 'checkbox',
            'value' => '1',
            'class' => 'null-toggle',
            'name' => "$name" . "[Null_$ns.$directive]",
            'id' => "$name:Null_$ns.$directive",
            'onclick' => "toggleWriteability('$name:$ns.$directive',checked)" // INLINE JAVASCRIPT!!!!
        );
        if ($this->obj instanceof HTMLPurifier_Printer_ConfigForm_bool) {
            // modify inline javascript slightly
            $attr['onclick'] =
                "toggleWriteability('$name:Yes_$ns.$directive',checked);" .
                "toggleWriteability('$name:No_$ns.$directive',checked)";
        }
        if ($value === null) {
            $attr['checked'] = 'checked';
        }
        $ret .= $this->elementEmpty('input', $attr);
        $ret .= $this->text(' or ');
        $ret .= $this->elementEmpty('br');
        $ret .= $this->obj->render($ns, $directive, $value, $name, array($gen_config, $config));
        return $ret;
    }
}

/**
 * Swiss-army knife configuration form field printer
 */
class HTMLPurifier_Printer_ConfigForm_default extends HTMLPurifier_Printer
{
    /**
     * @type int
     */
    public $cols = 18;

    /**
     * @type int
     */
    public $rows = 5;

    /**
     * @param string $ns
     * @param string $directive
     * @param string $value
     * @param string $name
     * @param HTMLPurifier_Config|array $config
     * @return string
     */
    public function render($ns, $directive, $value, $name, $config)
    {
        if (is_array($config) && isset($config[0])) {
            $gen_config = $config[0];
            $config = $config[1];
        } else {
            $gen_config = $config;
        }
        $this->prepareGenerator($gen_config);
        // this should probably be split up a little
        $ret = '';
        $def = $config->def->info["$ns.$directive"];
        if (is_int($def)) {
            $type = abs($def);
        } else {
            $type = $def->type;
        }
        if (is_array($value)) {
            switch ($type) {
                case HTMLPurifier_VarParser::LOOKUP:
                    $array = $value;
                    $value = array();
                    foreach ($array as $val => $b) {
                        $value[] = $val;
                    }
                    //TODO does this need a break?
                case HTMLPurifier_VarParser::ALIST:
                    $value = implode(PHP_EOL, $value);
                    break;
                case HTMLPurifier_VarParser::HASH:
                    $nvalue = '';
                    foreach ($value as $i => $v) {
                        $nvalue .= "$i:$v" . PHP_EOL;
                    }
                    $value = $nvalue;
                    break;
                default:
                    $value = '';
            }
        }
        if ($type === HTMLPurifier_VarParser::MIXED) {
            return 'Not supported';
            $value = serialize($value);
        }
        $attr = array(
            'name' => "$name" . "[$ns.$directive]",
            'id' => "$name:$ns.$directive"
        );
        if ($value === null) {
            $attr['disabled'] = 'disabled';
        }
        if (isset($def->allowed)) {
            $ret .= $this->start('select', $attr);
            foreach ($def->allowed as $val => $b) {
                $attr = array();
                if ($value == $val) {
                    $attr['selected'] = 'selected';
                }
                $ret .= $this->element('option', $val, $attr);
            }
            $ret .= $this->end('select');
        } elseif ($type === HTMLPurifier_VarParser::TEXT ||
                $type === HTMLPurifier_VarParser::ITEXT ||
                $type === HTMLPurifier_VarParser::ALIST ||
                $type === HTMLPurifier_VarParser::HASH ||
                $type === HTMLPurifier_VarParser::LOOKUP) {
            $attr['cols'] = $this->cols;
            $attr['rows'] = $this->rows;
            $ret .= $this->start('textarea', $attr);
            $ret .= $this->text($value);
            $ret .= $this->end('textarea');
        } else {
            $attr['value'] = $value;
            $attr['type'] = 'text';
            $ret .= $this->elementEmpty('input', $attr);
        }
        return $ret;
    }
}

/**
 * Bool form field printer
 */
class HTMLPurifier_Printer_ConfigForm_bool extends HTMLPurifier_Printer
{
    /**
     * @param string $ns
     * @param string $directive
     * @param string $value
     * @param string $name
     * @param HTMLPurifier_Config|array $config
     * @return string
     */
    public function render($ns, $directive, $value, $name, $config)
    {
        if (is_array($config) && isset($config[0])) {
            $gen_config = $config[0];
            $config = $config[1];
        } else {
            $gen_config = $config;
        }
        $this->prepareGenerator($gen_config);
        $ret = '';
        $ret .= $this->start('div', array('id' => "$name:$ns.$directive"));

        $ret .= $this->start('label', array('for' => "$name:Yes_$ns.$directive"));
        $ret .= $this->element('span', "$ns.$directive:", array('class' => 'verbose'));
        $ret .= $this->text(' Yes');
        $ret .= $this->end('label');

        $attr = array(
            'type' => 'radio',
            'name' => "$name" . "[$ns.$directive]",
            'id' => "$name:Yes_$ns.$directive",
            'value' => '1'
        );
        if ($value === true) {
            $attr['checked'] = 'checked';
        }
        if ($value === null) {
            $attr['disabled'] = 'disabled';
        }
        $ret .= $this->elementEmpty('input', $attr);

        $ret .= $this->start('label', array('for' => "$name:No_$ns.$directive"));
        $ret .= $this->element('span', "$ns.$directive:", array('class' => 'verbose'));
        $ret .= $this->text(' No');
        $ret .= $this->end('label');

        $attr = array(
            'type' => 'radio',
            'name' => "$name" . "[$ns.$directive]",
            'id' => "$name:No_$ns.$directive",
            'value' => '0'
        );
        if ($value === false) {
            $attr['checked'] = 'checked';
        }
        if ($value === null) {
            $attr['disabled'] = 'disabled';
        }
        $ret .= $this->elementEmpty('input', $attr);

        $ret .= $this->end('div');

        return $ret;
    }
}

// vim: et sw=4 sts=4