xref: /plugin/struct/meta/AggregationTable.php (revision 4bffd43680da9f5ab6f22a645c1f04bbe99210f8) 
1<?php
2
3namespace dokuwiki\plugin\struct\meta;
4
5use dokuwiki\Extension\Event;
6
7/**
8 * Creates the table aggregation output
9 *
10 * @package dokuwiki\plugin\struct\meta
11 */
12class AggregationTable extends Aggregation
13{
14    /** @var array for summing up columns */
15    protected $sums;
16
17    /** @var string[] the result PIDs for each row */
18    protected $resultPIDs;
19    protected $resultRids;
20    protected $resultRevs;
21
22    public function __construct($id, $mode, \Doku_Renderer $renderer, SearchConfig $searchConfig)
23    {
24        parent::__construct($id, $mode, $renderer, $searchConfig);
25        $this->resultPIDs = $this->searchConfig->getPids();
26        $this->resultRids = $this->searchConfig->getRids();
27        $this->resultRevs = $this->searchConfig->getRevs();
28    }
29
30    /** @inheritdoc */
31    public function render($showNotFound = false)
32    {
33
34        // abort early if there are no results at all (not filtered)
35        if (!$this->resultCount && !$this->isDynamicallyFiltered() && $showNotFound) {
36            $this->renderer->cdata($this->helper->getLang('none'));
37            return;
38        }
39
40        $this->renderActiveFilters();
41
42        $rendercontext = [
43            'table' => $this,
44            'renderer' => $this->renderer,
45            'format' => $this->mode,
46            'search' => $this->searchConfig,
47            'columns' => $this->columns,
48            'data' => $this->result
49        ];
50
51        $event = new Event(
52            'PLUGIN_STRUCT_RENDER_AGGREGATION_TABLE',
53            $rendercontext
54        );
55        $event->trigger([$this, 'renderTable']);
56
57        // export handle
58        $this->renderExportControls();
59    }
60
61    /**
62     * Render the default aggregation table
63     */
64    public function renderTable($rendercontext)
65    {
66        $this->renderer->table_open();
67
68        // header
69        $this->renderer->tablethead_open();
70        $this->renderColumnHeaders();
71        $this->renderDynamicFilters();
72        $this->renderer->tablethead_close();
73
74        if ($this->resultCount) {
75            // actual data
76            $this->renderer->tabletbody_open();
77            $this->renderResult();
78            $this->renderer->tabletbody_close();
79
80            // footer (tfoot is develonly currently)
81            if (method_exists($this->renderer, 'tabletfoot_open')) $this->renderer->tabletfoot_open();
82            $this->renderSums();
83            $this->renderPagingControls();
84            if (method_exists($this->renderer, 'tabletfoot_close')) $this->renderer->tabletfoot_close();
85        } else {
86            // nothing found
87            $this->renderEmptyResult();
88        }
89
90        // table close
91        $this->renderer->table_close();
92    }
93
94    /**
95     * Adds additional info to document and renderer in XHTML mode
96     *
97     * @see finishScope()
98     */
99    public function startScope()
100    {
101        // unique identifier for this aggregation
102        $this->renderer->info['struct_table_hash'] = md5(var_export($this->data, true));
103
104        parent::startScope();
105    }
106
107    /**
108     * Closes the table and anything opened in startScope()
109     *
110     * @see startScope()
111     */
112    public function finishScope()
113    {
114        // remove identifier from renderer again
115        if (isset($this->renderer->info['struct_table_hash'])) {
116            unset($this->renderer->info['struct_table_hash']);
117        }
118
119        parent::finishScope();
120    }
121
122    /**
123     * Displays info about the currently applied filters
124     */
125    protected function renderActiveFilters()
126    {
127        if ($this->mode != 'xhtml') return;
128        $dynamic = $this->searchConfig->getDynamicParameters();
129        $filters = $dynamic->getFilters();
130        if (!$filters) return;
131
132        $fltrs = [];
133        foreach ($filters as $column => $filter) {
134            [$comp, $value] = $filter;
135
136            // display the filters in a human readable format
137            foreach ($this->columns as $col) {
138                if ($column === $col->getFullQualifiedLabel()) {
139                    $column = $col->getTranslatedLabel();
140                }
141            }
142            $fltrs[] = sprintf('"%s" %s "%s"', $column, $this->helper->getLang("comparator $comp"), $value);
143        }
144
145        $this->renderer->doc .= '<div class="filter">';
146        $this->renderer->doc .= '<h4>' .
147            sprintf(
148                $this->helper->getLang('tablefilteredby'),
149                hsc(implode(' & ', $fltrs))
150            ) .
151            '</h4>';
152        $this->renderer->doc .= '<div class="resetfilter">';
153        $this->renderer->internallink($this->id, $this->helper->getLang('tableresetfilter'));
154        $this->renderer->doc .= '</div>';
155        $this->renderer->doc .= '</div>';
156    }
157
158    /**
159     * Shows the column headers with links to sort by column
160     */
161    protected function renderColumnHeaders()
162    {
163        $this->renderer->tablerow_open();
164
165        // additional column for row numbers
166        if (!empty($this->data['rownumbers'])) {
167            $this->renderer->tableheader_open();
168            $this->renderer->cdata('#');
169            $this->renderer->tableheader_close();
170        }
171
172        // show all headers
173        foreach ($this->columns as $num => $column) {
174            $header = '';
175            if (isset($this->data['headers'][$num])) {
176                $header = $this->data['headers'][$num];
177            }
178
179            // use field label if no header was set
180            if (blank($header)) {
181                if (is_a($column, 'dokuwiki\plugin\struct\meta\Column')) {
182                    $header = $column->getTranslatedLabel();
183                } else {
184                    $header = 'column ' . $num; // this should never happen
185                }
186            }
187
188            // simple mode first
189            if ($this->mode != 'xhtml') {
190                $this->renderer->tableheader_open();
191                $this->renderer->cdata($header);
192                $this->renderer->tableheader_close();
193                continue;
194            }
195
196            // still here? create custom header for more flexibility
197
198            // width setting, widths are prevalidated, no escape needed
199            $width = '';
200            if (isset($this->data['widths'][$num]) && $this->data['widths'][$num] != '-') {
201                $width = ' style="min-width: ' . $this->data['widths'][$num] . ';' .
202                    'max-width: ' . $this->data['widths'][$num] . ';"';
203            }
204
205            // prepare data attribute for inline edits
206            if (
207                !is_a($column, '\dokuwiki\plugin\struct\meta\PageColumn') &&
208                !is_a($column, '\dokuwiki\plugin\struct\meta\RevisionColumn')
209            ) {
210                $data = 'data-field="' . hsc($column->getFullQualifiedLabel()) . '"';
211            } else {
212                $data = '';
213            }
214
215            // sort indicator and link
216            $sortclass = '';
217            $sorts = $this->searchConfig->getSorts();
218            $dynamic = $this->searchConfig->getDynamicParameters();
219            $dynamic->setSort($column, true);
220            if (isset($sorts[$column->getFullQualifiedLabel()])) {
221                [/*colname*/, $currentSort] = $sorts[$column->getFullQualifiedLabel()];
222                if ($currentSort) {
223                    $sortclass = 'sort-down';
224                    $dynamic->setSort($column, false);
225                } else {
226                    $sortclass = 'sort-up';
227                }
228            }
229            $link = wl($this->id, $dynamic->getURLParameters());
230
231            // output XHTML header
232            $this->renderer->doc .= "<th $width $data>";
233
234            if (is_a($this->renderer, 'renderer_plugin_dw2pdf')) {
235                $this->renderer->doc .= hsc($header);
236            } else {
237                $this->renderer->doc .= '<a href="' . $link . '" class="' . $sortclass . '" ' .
238                    'title="' . $this->helper->getLang('sort') . '">' . hsc($header) . '</a>';
239            }
240
241            $this->renderer->doc .= '</th>';
242        }
243
244        $this->renderer->tablerow_close();
245    }
246
247    /**
248     * Is the result set currently dynamically filtered?
249     * @return bool
250     */
251    protected function isDynamicallyFiltered()
252    {
253        if ($this->mode != 'xhtml') return false;
254        if (!$this->data['dynfilters']) return false;
255
256        $dynamic = $this->searchConfig->getDynamicParameters();
257        return (bool)$dynamic->getFilters();
258    }
259
260    /**
261     * Add input fields for dynamic filtering
262     */
263    protected function renderDynamicFilters()
264    {
265        if ($this->mode != 'xhtml') return;
266        if (empty($this->data['dynfilters'])) return;
267        if (is_a($this->renderer, 'renderer_plugin_dw2pdf')) {
268            return;
269        }
270        global $conf;
271
272        $this->renderer->doc .= '<tr class="dataflt">';
273
274        // add extra column for row numbers
275        if ($this->data['rownumbers']) {
276            $this->renderer->doc .= '<th></th>';
277        }
278
279        // each column gets a form
280        foreach ($this->columns as $column) {
281            $this->renderer->doc .= '<th>';
282
283            // BEGIN FORM
284            $form = new \Doku_Form(['method' => 'GET', 'action' => wl($this->id)]);
285            unset($form->_hidden['sectok']); // we don't need it here
286            if (!$conf['userewrite']) $form->addHidden('id', $this->id);
287
288            // current value
289            $dynamic = $this->searchConfig->getDynamicParameters();
290            $filters = $dynamic->getFilters();
291            if (isset($filters[$column->getFullQualifiedLabel()])) {
292                [, $current] = $filters[$column->getFullQualifiedLabel()];
293                $dynamic->removeFilter($column);
294            } else {
295                $current = '';
296            }
297
298            // Add current request params
299            $params = $dynamic->getURLParameters();
300            foreach ($params as $key => $val) {
301                $form->addHidden($key, $val);
302            }
303
304            // add input field
305            $key = $column->getFullQualifiedLabel() . $column->getType()->getDefaultComparator();
306            $form->addElement(
307                form_makeField('text', SearchConfigParameters::$PARAM_FILTER . '[' . $key . ']', $current, '')
308            );
309            $this->renderer->doc .= $form->getForm();
310            // END FORM
311
312            $this->renderer->doc .= '</th>';
313        }
314        $this->renderer->doc .= '</tr>';
315    }
316
317    /**
318     * Display the actual table data
319     */
320    protected function renderResult()
321    {
322        foreach ($this->result as $rownum => $row) {
323            $data = [
324                'id' => $this->id,
325                'mode' => $this->mode,
326                'renderer' => $this->renderer,
327                'searchConfig' => $this->searchConfig,
328                'data' => $this->data,
329                'rownum' => &$rownum,
330                'row' => &$row
331            ];
332            $evt = new Event('PLUGIN_STRUCT_AGGREGATIONTABLE_RENDERRESULTROW', $data);
333            if ($evt->advise_before()) {
334                $this->renderResultRow($rownum, $row);
335            }
336            $evt->advise_after();
337        }
338    }
339
340    /**
341     * Render a single result row
342     *
343     * @param int $rownum
344     * @param array $row
345     */
346    protected function renderResultRow($rownum, $row)
347    {
348        $this->renderer->tablerow_open();
349
350        // add data attribute for inline edit
351        if ($this->mode == 'xhtml') {
352            $pid = $this->resultPIDs[$rownum];
353            $rid = $this->resultRids[$rownum];
354            $rev = $this->resultRevs[$rownum];
355            $this->renderer->doc = substr(rtrim($this->renderer->doc), 0, -1); // remove closing '>'
356            $this->renderer->doc .= ' data-pid="' . hsc($pid) . '" data-rev="' . $rev . '" data-rid="' . $rid . '">';
357        }
358
359        // row number column
360        if (!empty($this->data['rownumbers'])) {
361            $this->renderer->tablecell_open();
362            $this->renderer->cdata($rownum + $this->searchConfig->getOffset() + 1);
363            $this->renderer->tablecell_close();
364        }
365
366        /** @var Value $value */
367        foreach ($row as $colnum => $value) {
368            $align = $this->data['align'][$colnum] ?? null;
369            $this->renderer->tablecell_open(1, $align);
370            $value->render($this->renderer, $this->mode);
371            $this->renderer->tablecell_close();
372
373            // summarize
374            if (!empty($this->data['summarize']) && is_numeric($value->getValue())) {
375                if (!isset($this->sums[$colnum])) {
376                    $this->sums[$colnum] = 0;
377                }
378                $this->sums[$colnum] += $value->getValue();
379            }
380        }
381        $this->renderer->tablerow_close();
382    }
383
384    /**
385     * Renders an information row for when no results were found
386     */
387    protected function renderEmptyResult()
388    {
389        $this->renderer->tablerow_open();
390        $this->renderer->tablecell_open(count($this->columns) + $this->data['rownumbers'], 'center');
391        $this->renderer->cdata($this->helper->getLang('none'));
392        $this->renderer->tablecell_close();
393        $this->renderer->tablerow_close();
394    }
395
396    /**
397     * Add sums if wanted
398     */
399    protected function renderSums()
400    {
401        if (empty($this->data['summarize'])) return;
402
403        $this->renderer->info['struct_table_meta'] = true;
404        if ($this->mode == 'xhtml') {
405            /** @noinspection PhpMethodParametersCountMismatchInspection */
406            $this->renderer->tablerow_open('summarize');
407        } else {
408            $this->renderer->tablerow_open();
409        }
410
411        if ($this->data['rownumbers']) {
412            $this->renderer->tableheader_open();
413            $this->renderer->tableheader_close();
414        }
415
416        $len = count($this->columns);
417        for ($i = 0; $i < $len; $i++) {
418            $this->renderer->tableheader_open(1, $this->data['align'][$i]);
419            if (!empty($this->sums[$i])) {
420                $this->renderer->cdata('∑ ');
421                $this->columns[$i]->getType()->renderValue($this->sums[$i], $this->renderer, $this->mode);
422            } elseif ($this->mode == 'xhtml') {
423                $this->renderer->doc .= '&nbsp;';
424            }
425            $this->renderer->tableheader_close();
426        }
427        $this->renderer->tablerow_close();
428        $this->renderer->info['struct_table_meta'] = false;
429    }
430
431    /**
432     * Adds paging controls to the table
433     */
434    protected function renderPagingControls()
435    {
436        if ($this->mode != 'xhtml') return;
437
438        $limit = $this->searchConfig->getLimit();
439        if (!$limit) return;
440        $offset = $this->searchConfig->getOffset();
441
442        $this->renderer->info['struct_table_meta'] = true;
443        $this->renderer->tablerow_open();
444        $this->renderer->tableheader_open((count($this->columns) + ($this->data['rownumbers'] ? 1 : 0)));
445
446
447        // prev link
448        if ($offset) {
449            $prev = $offset - $limit;
450            if ($prev < 0) {
451                $prev = 0;
452            }
453
454            $dynamic = $this->searchConfig->getDynamicParameters();
455            $dynamic->setOffset($prev);
456            $link = wl($this->id, $dynamic->getURLParameters());
457            $this->renderer->doc .= '<a href="' . $link . '" class="prev">' . $this->helper->getLang('prev') . '</a>';
458        }
459
460        // next link
461        if ($this->resultCount > $offset + $limit) {
462            $next = $offset + $limit;
463            $dynamic = $this->searchConfig->getDynamicParameters();
464            $dynamic->setOffset($next);
465            $link = wl($this->id, $dynamic->getURLParameters());
466            $this->renderer->doc .= '<a href="' . $link . '" class="next">' . $this->helper->getLang('next') . '</a>';
467        }
468
469        $this->renderer->tableheader_close();
470        $this->renderer->tablerow_close();
471        $this->renderer->info['struct_table_meta'] = true;
472    }
473
474    /**
475     * Adds CSV export controls
476     */
477    protected function renderExportControls()
478    {
479        if ($this->mode != 'xhtml') return;
480        if (empty($this->data['csv'])) return;
481        if (!$this->resultCount) return;
482
483        $dynamic = $this->searchConfig->getDynamicParameters();
484        $params = $dynamic->getURLParameters();
485        $params['hash'] = $this->renderer->info['struct_table_hash'];
486
487        // FIXME apply dynamic filters
488        $link = exportlink($this->id, 'struct_csv', $params);
489
490        $this->renderer->doc .= '<a href="' . $link . '" class="export mediafile mf_csv">' .
491            $this->helper->getLang('csvexport') . '</a>';
492    }
493}
494