1<?php
2/* vim: set expandtab sw=4 ts=4 sts=4: */
3/**
4 * Editor for Geometry data types.
5 *
6 * @package PhpMyAdmin
7 */
8
9use PhpMyAdmin\Core;
10use PhpMyAdmin\Gis\GisFactory;
11use PhpMyAdmin\Gis\GisVisualization;
12use PhpMyAdmin\Response;
13use PhpMyAdmin\Url;
14
15/**
16 * Escapes special characters if the variable is set.
17 * Returns an empty string otherwise.
18 *
19 * @param string $variable variable to be escaped
20 *
21 * @return string escaped variable
22 */
23function escape($variable)
24{
25    return isset($variable) ? htmlspecialchars($variable) : '';
26}
27
28require_once 'libraries/common.inc.php';
29
30if (! isset($_POST['field'])) {
31    PhpMyAdmin\Util::checkParameters(array('field'));
32}
33
34// Get data if any posted
35$gis_data = array();
36if (Core::isValid($_POST['gis_data'], 'array')) {
37    $gis_data = $_POST['gis_data'];
38}
39
40$gis_types = array(
41    'POINT',
42    'MULTIPOINT',
43    'LINESTRING',
44    'MULTILINESTRING',
45    'POLYGON',
46    'MULTIPOLYGON',
47    'GEOMETRYCOLLECTION'
48);
49
50// Extract type from the initial call and make sure that it's a valid one.
51// Extract from field's values if available, if not use the column type passed.
52if (! isset($gis_data['gis_type'])) {
53    if (isset($_POST['type']) && $_POST['type'] != '') {
54        $gis_data['gis_type'] = mb_strtoupper($_POST['type']);
55    }
56    if (isset($_POST['value']) && trim($_POST['value']) != '') {
57        $start = (substr($_POST['value'], 0, 1) == "'") ? 1 : 0;
58        $gis_data['gis_type'] = mb_substr(
59            $_POST['value'],
60            $start,
61            mb_strpos($_POST['value'], "(") - $start
62        );
63    }
64    if ((! isset($gis_data['gis_type']))
65        || (! in_array($gis_data['gis_type'], $gis_types))
66    ) {
67        $gis_data['gis_type'] = $gis_types[0];
68    }
69}
70$geom_type = htmlspecialchars($gis_data['gis_type']);
71
72// Generate parameters from value passed.
73$gis_obj = GisFactory::factory($geom_type);
74if (isset($_POST['value'])) {
75    $gis_data = array_merge(
76        $gis_data, $gis_obj->generateParams($_POST['value'])
77    );
78}
79
80// Generate Well Known Text
81$srid = (isset($gis_data['srid']) && $gis_data['srid'] != '')
82    ? htmlspecialchars($gis_data['srid']) : 0;
83$wkt = $gis_obj->generateWkt($gis_data, 0);
84$wkt_with_zero = $gis_obj->generateWkt($gis_data, 0, '0');
85$result = "'" . $wkt . "'," . $srid;
86
87// Generate SVG based visualization
88$visualizationSettings = array(
89    'width' => 450,
90    'height' => 300,
91    'spatialColumn' => 'wkt',
92    'mysqlVersion' => $GLOBALS['dbi']->getVersion()
93);
94$data = array(array('wkt' => $wkt_with_zero, 'srid' => $srid));
95$visualization = GisVisualization::getByData($data, $visualizationSettings)
96    ->toImage('svg');
97
98$open_layers = GisVisualization::getByData($data, $visualizationSettings)
99    ->asOl();
100
101// If the call is to update the WKT and visualization make an AJAX response
102if (isset($_POST['generate']) && $_POST['generate'] == true) {
103    $extra_data = array(
104        'result'        => $result,
105        'visualization' => $visualization,
106        'openLayers'    => $open_layers,
107    );
108    $response = Response::getInstance();
109    $response->addJSON($extra_data);
110    exit;
111}
112
113ob_start();
114
115echo '<form id="gis_data_editor_form" action="gis_data_editor.php" method="post">';
116echo '<input type="hidden" id="pmaThemeImage"'
117    , ' value="' , $GLOBALS['pmaThemeImage'] , '" />';
118echo '<div id="gis_data_editor">';
119
120echo '<h3>';
121printf(
122    __('Value for the column "%s"'),
123    htmlspecialchars($_POST['field'])
124);
125echo '</h3>';
126
127echo '<input type="hidden" name="field" value="'
128    , htmlspecialchars($_POST['field']) , '" />';
129// The input field to which the final result should be added
130// and corresponding null checkbox
131if (isset($_POST['input_name'])) {
132    echo '<input type="hidden" name="input_name" value="'
133        , htmlspecialchars($_POST['input_name']) , '" />';
134}
135echo Url::getHiddenInputs();
136
137echo '<!-- Visualization section -->';
138echo '<div id="placeholder"'
139    , ($srid != 0 ? 'class="hide"' : '') , '>';
140echo $visualization;
141echo '</div>';
142
143// No not remove inline style or it will cause "Cannot read property 'w' of null" on GIS editor map init
144echo '<div id="openlayersmap" style="width: ' . $visualizationSettings['width'] . 'px; height: ' . $visualizationSettings['height'] . 'px;" '
145    , ($srid == 0 ? 'class="hide"' : '') , '>';
146echo '</div>';
147
148echo '<div class="choice floatright">';
149echo '<input type="checkbox" id="choice" value="useBaseLayer"'
150    , ($srid != 0 ? ' checked="checked"' : '') , '/>';
151echo '<label for="choice">' ,  __("Use OpenStreetMaps as Base Layer") , '</label>';
152echo '</div>';
153
154echo '<script language="javascript" type="text/javascript">';
155echo $open_layers;
156echo '</script>';
157echo '<!-- End of visualization section -->';
158
159
160echo '<!-- Header section - Inclueds GIS type selector and input field for SRID -->';
161echo '<div id="gis_data_header">';
162echo '<select name="gis_data[gis_type]" class="gis_type">';
163foreach ($gis_types as $gis_type) {
164    echo '<option value="' , $gis_type , '"';
165    if ($geom_type == $gis_type) {
166        echo ' selected="selected"';
167    }
168    echo '>' , $gis_type , '</option>';
169}
170echo '</select>';
171echo '&nbsp;&nbsp;&nbsp;&nbsp;';
172/* l10n: Spatial Reference System Identifier */
173echo '<label for="srid">' ,  __('SRID:') , '</label>';
174echo '<input name="gis_data[srid]" type="text" value="' , $srid , '" />';
175echo '</div>';
176echo '<!-- End of header section -->';
177
178echo '<!-- Data section -->';
179echo '<div id="gis_data">';
180
181$geom_count = 1;
182if ($geom_type == 'GEOMETRYCOLLECTION') {
183    $geom_count = (isset($gis_data[$geom_type]['geom_count']))
184        ? intval($gis_data[$geom_type]['geom_count']) : 1;
185    if (isset($gis_data[$geom_type]['add_geom'])) {
186        $geom_count++;
187    }
188    echo '<input type="hidden" name="gis_data[GEOMETRYCOLLECTION][geom_count]"'
189        , ' value="' , $geom_count , '" />';
190}
191
192for ($a = 0; $a < $geom_count; $a++) {
193    if (! isset($gis_data[$a])) {
194        continue;
195    }
196
197    if ($geom_type == 'GEOMETRYCOLLECTION') {
198        echo '<br/><br/>';
199        printf(__('Geometry %d:'), $a + 1);
200        echo '<br/>';
201        if (isset($gis_data[$a]['gis_type'])) {
202            $type = htmlspecialchars($gis_data[$a]['gis_type']);
203        } else {
204            $type = $gis_types[0];
205        }
206        echo '<select name="gis_data[' , $a , '][gis_type]" class="gis_type">';
207        foreach (array_slice($gis_types, 0, 6) as $gis_type) {
208            echo '<option value="' , $gis_type , '"';
209            if ($type == $gis_type) {
210                echo ' selected="selected"';
211            }
212            echo '>' , $gis_type , '</option>';
213        }
214        echo '</select>';
215    } else {
216        $type = $geom_type;
217    }
218
219    if ($type == 'POINT') {
220        echo '<br/>';
221        echo __('Point:');
222        echo '<label for="x">' , __("X") , '</label>';
223        echo '<input name="gis_data[' , $a , '][POINT][x]" type="text"'
224            , ' value="' , escape($gis_data[$a]['POINT']['x']) , '" />';
225        echo '<label for="y">' , __("Y") , '</label>';
226        echo '<input name="gis_data[' , $a , '][POINT][y]" type="text"'
227            , ' value="' , escape($gis_data[$a]['POINT']['y']) , '" />';
228
229    } elseif ($type == 'MULTIPOINT' || $type == 'LINESTRING') {
230        $no_of_points = isset($gis_data[$a][$type]['no_of_points'])
231            ? intval($gis_data[$a][$type]['no_of_points']) : 1;
232        if ($type == 'LINESTRING' && $no_of_points < 2) {
233            $no_of_points = 2;
234        }
235        if ($type == 'MULTIPOINT' && $no_of_points < 1) {
236            $no_of_points = 1;
237        }
238
239        if (isset($gis_data[$a][$type]['add_point'])) {
240            $no_of_points++;
241        }
242        echo '<input type="hidden" value="' , $no_of_points , '"'
243            , ' name="gis_data[' , $a , '][' , $type , '][no_of_points]" />';
244
245        for ($i = 0; $i < $no_of_points; $i++) {
246            echo '<br/>';
247            printf(__('Point %d'), $i + 1);
248            echo ': ';
249            echo '<label for="x">' ,  __("X") , '</label>';
250            echo '<input type="text"'
251                , ' name="gis_data[' , $a , '][' , $type , '][' , $i , '][x]"'
252                , ' value="' , escape($gis_data[$a][$type][$i]['x']) , '" />';
253            echo '<label for="y">' , __("Y") , '</label>';
254            echo '<input type="text"'
255                , ' name="gis_data[' , $a , '][' , $type , '][' , $i , '][y]"'
256                , ' value="' , escape($gis_data[$a][$type][$i]['y']) , '" />';
257        }
258        echo '<input type="submit"'
259            , ' name="gis_data[' , $a , '][' , $type , '][add_point]"'
260            , ' class="add addPoint" value="' , __("Add a point") , '" />';
261
262    } elseif ($type == 'MULTILINESTRING' || $type == 'POLYGON') {
263        $no_of_lines = isset($gis_data[$a][$type]['no_of_lines'])
264            ? intval($gis_data[$a][$type]['no_of_lines']) : 1;
265        if ($no_of_lines < 1) {
266            $no_of_lines = 1;
267        }
268        if (isset($gis_data[$a][$type]['add_line'])) {
269            $no_of_lines++;
270        }
271        echo '<input type="hidden" value="' , $no_of_lines , '"'
272            , ' name="gis_data[' , $a , '][' , $type , '][no_of_lines]" />';
273
274        for ($i = 0; $i < $no_of_lines; $i++) {
275            echo '<br/>';
276            if ($type == 'MULTILINESTRING') {
277                printf(__('Linestring %d:'), $i + 1);
278            } else {
279                if ($i == 0) {
280                    echo __('Outer ring:');
281                } else {
282                    printf(__('Inner ring %d:'), $i);
283                }
284            }
285
286            $no_of_points = isset($gis_data[$a][$type][$i]['no_of_points'])
287                ? intval($gis_data[$a][$type][$i]['no_of_points']) : 2;
288            if ($type == 'MULTILINESTRING' && $no_of_points < 2) {
289                $no_of_points = 2;
290            }
291            if ($type == 'POLYGON' && $no_of_points < 4) {
292                $no_of_points = 4;
293            }
294            if (isset($gis_data[$a][$type][$i]['add_point'])) {
295                $no_of_points++;
296            }
297            echo '<input type="hidden" value="' , $no_of_points , '"'
298                , ' name="gis_data[' , $a , '][' , $type , '][' , $i
299                , '][no_of_points]" />';
300
301            for ($j = 0; $j < $no_of_points; $j++) {
302                echo('<br/>');
303                printf(__('Point %d'), $j + 1);
304                echo ': ';
305                echo '<label for="x">' ,  __("X") , '</label>';
306                echo '<input type="text" name="gis_data[' , $a , '][' , $type . ']['
307                    , $i , '][' , $j , '][x]" value="'
308                    , escape($gis_data[$a][$type][$i][$j]['x']) , '" />';
309                echo '<label for="y">' , __("Y") , '</label>';
310                echo '<input type="text" name="gis_data[' , $a , '][' , $type , ']['
311                    , $i , '][' , $j , '][y]"' , ' value="'
312                    , escape($gis_data[$a][$type][$i][$j]['y']) , '" />';
313            }
314            echo '<input type="submit" name="gis_data[' , $a , '][' , $type , ']['
315                , $i , '][add_point]"'
316                , ' class="add addPoint" value="' , __("Add a point") , '" />';
317        }
318        $caption = ($type == 'MULTILINESTRING')
319            ? __('Add a linestring')
320            : __('Add an inner ring');
321        echo '<br/>';
322        echo '<input type="submit"'
323            , ' name="gis_data[' , $a , '][' , $type , '][add_line]"'
324            , ' class="add addLine" value="' , $caption , '" />';
325
326    } elseif ($type == 'MULTIPOLYGON') {
327        $no_of_polygons = isset($gis_data[$a][$type]['no_of_polygons'])
328            ? intval($gis_data[$a][$type]['no_of_polygons']) : 1;
329        if ($no_of_polygons < 1) {
330            $no_of_polygons = 1;
331        }
332        if (isset($gis_data[$a][$type]['add_polygon'])) {
333            $no_of_polygons++;
334        }
335        echo '<input type="hidden"'
336            , ' name="gis_data[' , $a , '][' , $type , '][no_of_polygons]"'
337            , ' value="' , $no_of_polygons , '" />';
338
339        for ($k = 0; $k < $no_of_polygons; $k++) {
340            echo '<br/>';
341            printf(__('Polygon %d:'), $k + 1);
342            $no_of_lines = isset($gis_data[$a][$type][$k]['no_of_lines'])
343                ? intval($gis_data[$a][$type][$k]['no_of_lines']) : 1;
344            if ($no_of_lines < 1) {
345                $no_of_lines = 1;
346            }
347            if (isset($gis_data[$a][$type][$k]['add_line'])) {
348                $no_of_lines++;
349            }
350            echo '<input type="hidden"'
351                , ' name="gis_data[' , $a , '][' , $type , '][' , $k
352                , '][no_of_lines]"' , ' value="' , $no_of_lines , '" />';
353
354            for ($i = 0; $i < $no_of_lines; $i++) {
355                echo '<br/><br/>';
356                if ($i == 0) {
357                    echo __('Outer ring:');
358                } else {
359                    printf(__('Inner ring %d:'), $i);
360                }
361
362                $no_of_points = isset($gis_data[$a][$type][$k][$i]['no_of_points'])
363                    ? intval($gis_data[$a][$type][$k][$i]['no_of_points']) : 4;
364                if ($no_of_points < 4) {
365                    $no_of_points = 4;
366                }
367                if (isset($gis_data[$a][$type][$k][$i]['add_point'])) {
368                    $no_of_points++;
369                }
370                echo '<input type="hidden"'
371                    , ' name="gis_data[' , $a , '][' , $type , '][' , $k , '][' , $i
372                    , '][no_of_points]"' , ' value="' , $no_of_points , '" />';
373
374                for ($j = 0; $j < $no_of_points; $j++) {
375                    echo '<br/>';
376                    printf(__('Point %d'), $j + 1);
377                    echo ': ';
378                    echo '<label for="x">' ,  __("X") , '</label>';
379                    echo '<input type="text"'
380                        , ' name="gis_data[' , $a , '][' , $type , '][' , $k , ']['
381                        , $i , '][' , $j , '][x]"'
382                        , ' value="' , escape($gis_data[$a][$type][$k][$i][$j]['x'])
383                        , '" />';
384                    echo '<label for="y">' , __("Y") , '</label>';
385                    echo '<input type="text"'
386                        , ' name="gis_data[' , $a , '][' , $type , '][' , $k , ']['
387                        , $i , '][' , $j , '][y]"'
388                        , ' value="' , escape($gis_data[$a][$type][$k][$i][$j]['y'])
389                        , '" />';
390                }
391                echo '<input type="submit"'
392                    , ' name="gis_data[' , $a , '][' , $type , '][' , $k , '][' , $i
393                    , '][add_point]"'
394                    , ' class="add addPoint" value="' , __("Add a point") , '" />';
395            }
396            echo '<br/>';
397            echo '<input type="submit"'
398                , ' name="gis_data[' , $a , '][' , $type , '][' , $k , '][add_line]"'
399                , ' class="add addLine" value="' , __('Add an inner ring') , '" />';
400            echo '<br/>';
401        }
402        echo '<br/>';
403        echo '<input type="submit"'
404            , ' name="gis_data[' , $a , '][' , $type , '][add_polygon]"'
405            , ' class="add addPolygon" value="' ,  __('Add a polygon') , '" />';
406    }
407}
408if ($geom_type == 'GEOMETRYCOLLECTION') {
409    echo '<br/><br/>';
410    echo '<input type="submit" name="gis_data[GEOMETRYCOLLECTION][add_geom]"'
411        , 'class="add addGeom" value="' , __("Add geometry") , '" />';
412}
413echo '</div>';
414echo '<!-- End of data section -->';
415
416echo '<br/>';
417echo '<input type="submit" name="gis_data[save]" value="' , __('Go') , '" />';
418
419echo '<div id="gis_data_output">';
420echo '<h3>' , __('Output') , '</h3>';
421echo '<p>';
422echo __(
423    'Choose "ST_GeomFromText" from the "Function" column and paste the'
424    . ' string below into the "Value" field.'
425);
426echo '</p>';
427echo '<textarea id="gis_data_textarea" cols="95" rows="5">';
428echo htmlspecialchars($result);
429echo '</textarea>';
430echo '</div>';
431
432echo '</div>';
433echo '</form>';
434
435Response::getInstance()->addJSON('gis_editor', ob_get_contents());
436ob_end_clean();
437