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
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Holds the PhpMyAdmin\Controllers\Table\TableIndexesController
*
* @package PhpMyAdmin\Controllers
*/
namespace PhpMyAdmin\Controllers\Table;
use PhpMyAdmin\Controllers\TableController;
use PhpMyAdmin\Core;
use PhpMyAdmin\Gis\GisVisualization;
use PhpMyAdmin\Message;
use PhpMyAdmin\Template;
use PhpMyAdmin\Url;
require_once 'libraries/common.inc.php';
require_once 'libraries/db_common.inc.php';
/**
* Class TableGisVisualizationController
*
* @package PhpMyAdmin\Controllers
*/
class TableGisVisualizationController extends TableController
{
/**
* @var array $url_params
*/
protected $url_params;
/**
* @var string $sql_query
*/
protected $sql_query;
/**
* @var array $visualizationSettings
*/
protected $visualizationSettings;
/**
* @var \PhpMyAdmin\Gis\GisVisualization $visualization
*/
protected $visualization;
/**
* Constructor
*
* @param string $sql_query SQL query for retrieving GIS data
* @param array $url_params array of URL parameters
* @param string $goto goto script
* @param string $back back script
* @param array $visualizationSettings visualization settings
*/
public function __construct(
$response,
$dbi,
$db,
$table,
$sql_query,
array $url_params,
$goto,
$back,
array $visualizationSettings
) {
parent::__construct($response, $dbi, $db, $table);
$this->sql_query = $sql_query;
$this->url_params = $url_params;
$this->url_params['goto'] = $goto;
$this->url_params['back'] = $back;
$this->visualizationSettings = $visualizationSettings;
}
/**
* Save to file
*
* @return void
*/
public function saveToFileAction()
{
$this->response->disable();
$file_name = $this->visualizationSettings['spatialColumn'];
$save_format = $_REQUEST['fileFormat'];
$this->visualization->toFile($file_name, $save_format);
}
/**
* Index
*
* @return void
*/
public function indexAction()
{
// Throw error if no sql query is set
if (! isset($this->sql_query) || $this->sql_query == '') {
$this->response->setRequestStatus(false);
$this->response->addHTML(
Message::error(__('No SQL query was set to fetch data.'))
);
return;
}
// Execute the query and return the result
$result = $this->dbi->tryQuery($this->sql_query);
// Get the meta data of results
$meta = $this->dbi->getFieldsMeta($result);
// Find the candidate fields for label column and spatial column
$labelCandidates = array();
$spatialCandidates = array();
foreach ($meta as $column_meta) {
if ($column_meta->type == 'geometry') {
$spatialCandidates[] = $column_meta->name;
} else {
$labelCandidates[] = $column_meta->name;
}
}
// Get settings if any posted
if (Core::isValid($_REQUEST['visualizationSettings'], 'array')) {
$this->visualizationSettings = $_REQUEST['visualizationSettings'];
}
if (!isset($this->visualizationSettings['labelColumn'])
&& isset($labelCandidates[0])
) {
$this->visualizationSettings['labelColumn'] = '';
}
// If spatial column is not set, use first geometric column as spatial column
if (! isset($this->visualizationSettings['spatialColumn'])) {
$this->visualizationSettings['spatialColumn'] = $spatialCandidates[0];
}
// Convert geometric columns from bytes to text.
$pos = isset($_REQUEST['pos']) ? $_REQUEST['pos']
: $_SESSION['tmpval']['pos'];
if (isset($_REQUEST['session_max_rows'])) {
$rows = $_REQUEST['session_max_rows'];
} else {
if ($_SESSION['tmpval']['max_rows'] != 'all') {
$rows = $_SESSION['tmpval']['max_rows'];
} else {
$rows = $GLOBALS['cfg']['MaxRows'];
}
}
$this->visualization = GisVisualization::get(
$this->sql_query,
$this->visualizationSettings,
$rows,
$pos
);
if (isset($_REQUEST['saveToFile'])) {
$this->saveToFileAction();
return;
}
$this->response->getHeader()->getScripts()->addFiles(
array(
'vendor/openlayers/OpenLayers.js',
'vendor/jquery/jquery.svg.js',
'tbl_gis_visualization.js',
)
);
// If all the rows contain SRID, use OpenStreetMaps on the initial loading.
if (! isset($_REQUEST['displayVisualization'])) {
if ($this->visualization->hasSrid()) {
$this->visualizationSettings['choice'] = 'useBaseLayer';
} else {
unset($this->visualizationSettings['choice']);
}
}
$this->visualization->setUserSpecifiedSettings($this->visualizationSettings);
if ($this->visualizationSettings != null) {
foreach ($this->visualization->getSettings() as $setting => $val) {
if (! isset($this->visualizationSettings[$setting])) {
$this->visualizationSettings[$setting] = $val;
}
}
}
/**
* Displays the page
*/
$this->url_params['sql_query'] = $this->sql_query;
$downloadUrl = 'tbl_gis_visualization.php' . Url::getCommon(
array_merge(
$this->url_params,
array(
'saveToFile' => true,
'session_max_rows' => $rows,
'pos' => $pos
)
)
);
$html = Template::get('table/gis_visualization/gis_visualization')->render(
array(
'url_params' => $this->url_params,
'download_url' => $downloadUrl,
'label_candidates' => $labelCandidates,
'spatial_candidates' => $spatialCandidates,
'visualization_settings' => $this->visualizationSettings,
'sql_query' => $this->sql_query,
'visualization' => $this->visualization->toImage('svg'),
'draw_ol' => $this->visualization->asOl(),
'pma_theme_image' => $GLOBALS['pmaThemeImage']
)
);
$this->response->addHTML($html);
}
}