1<?php
2
3namespace dokuwiki\plugin\struct\meta;
4
5/**
6 * Creates the table aggregation output
7 *
8 * @package dokuwiki\plugin\struct\meta
9 */
10class AggregationTable
11{
12
13    /**
14     * @var string the page id of the page this is rendered to
15     */
16    protected $id;
17    /**
18     * @var string the Type of renderer used
19     */
20    protected $mode;
21    /**
22     * @var \Doku_Renderer the DokuWiki renderer used to create the output
23     */
24    protected $renderer;
25    /**
26     * @var SearchConfig the configured search - gives access to columns etc.
27     */
28    protected $searchConfig;
29
30    /**
31     * @var Column[] the list of columns to be displayed
32     */
33    protected $columns;
34
35    /**
36     * @var  Value[][] the search result
37     */
38    protected $result;
39
40    /**
41     * @var int number of all results
42     */
43    protected $resultCount;
44
45    /**
46     * @var string[] the result PIDs for each row
47     */
48    protected $resultPIDs;
49    protected $resultRids;
50    protected $resultRevs;
51
52    /**
53     * @var array for summing up columns
54     */
55    protected $sums;
56
57    /**
58     * @var bool skip full table when no results found
59     */
60    protected $simplenone = true;
61
62    /**
63     * @todo we might be able to get rid of this helper and move this to SearchConfig
64     * @var \helper_plugin_struct_config
65     */
66    protected $helper;
67
68    /**
69     * Initialize the Aggregation renderer and executes the search
70     *
71     * You need to call @see render() on the resulting object.
72     *
73     * @param string $id
74     * @param string $mode
75     * @param \Doku_Renderer $renderer
76     * @param SearchConfig $searchConfig
77     */
78    public function __construct($id, $mode, \Doku_Renderer $renderer, SearchConfig $searchConfig)
79    {
80        $this->id = $id;
81        $this->mode = $mode;
82        $this->renderer = $renderer;
83        $this->searchConfig = $searchConfig;
84        $this->data = $searchConfig->getConf();
85        $this->columns = $searchConfig->getColumns();
86
87        $this->result = $this->searchConfig->execute();
88        $this->resultCount = $this->searchConfig->getCount();
89        $this->resultPIDs = $this->searchConfig->getPids();
90        $this->resultRids = $this->searchConfig->getRids();
91        $this->resultRevs = $this->searchConfig->getRevs();
92        $this->helper = plugin_load('helper', 'struct_config');
93    }
94
95    /**
96     * Returns the page id for the table
97     */
98    public function getID()
99    {
100        return $this->id;
101    }
102
103    /**
104     * Create the table on the renderer
105     */
106    public function render()
107    {
108
109        // abort early if there are no results at all (not filtered)
110        if (!$this->resultCount && !$this->isDynamicallyFiltered() && $this->simplenone) {
111            $this->startScope();
112            $this->renderer->cdata($this->helper->getLang('none'));
113            $this->finishScope();
114            return;
115        }
116
117        $this->startScope();
118        $this->renderActiveFilters();
119
120        $rendercontext = array(
121            'table' => $this,
122            'renderer' => $this->renderer,
123            'format' => $this->mode,
124            'search' => $this->searchConfig,
125            'columns' => $this->columns,
126            'data' => $this->result
127        );
128
129        $event = new \Doku_Event(
130            'PLUGIN_STRUCT_RENDER_AGGREGATION_TABLE',
131            $rendercontext
132        );
133        $event->trigger([$this, 'renderTable']);
134
135        // export handle
136        $this->renderExportControls();
137        $this->finishScope();
138    }
139
140    /**
141     * Render the default aggregation table
142     */
143    public function renderTable($rendercontext)
144    {
145        $this->renderer->table_open();
146
147        // header
148        $this->renderer->tablethead_open();
149        $this->renderColumnHeaders();
150        $this->renderDynamicFilters();
151        $this->renderer->tablethead_close();
152
153        if ($this->resultCount) {
154            // actual data
155            $this->renderer->tabletbody_open();
156            $this->renderResult();
157            $this->renderer->tabletbody_close();
158
159            // footer (tfoot is develonly currently)
160            if (method_exists($this->renderer, 'tabletfoot_open')) $this->renderer->tabletfoot_open();
161            $this->renderSums();
162            $this->renderPagingControls();
163            if (method_exists($this->renderer, 'tabletfoot_close')) $this->renderer->tabletfoot_close();
164        } else {
165            // nothing found
166            $this->renderEmptyResult();
167        }
168
169        // table close
170        $this->renderer->table_close();
171    }
172
173    /**
174     * Adds additional info to document and renderer in XHTML mode
175     *
176     * @see finishScope()
177     */
178    protected function startScope()
179    {
180        // unique identifier for this aggregation
181        $this->renderer->info['struct_table_hash'] = md5(var_export($this->data, true));
182
183        // wrapping div
184        if ($this->mode != 'xhtml') return;
185        $this->renderer->doc .= "<div class=\"structaggregation\">";
186    }
187
188    /**
189     * Closes the table and anything opened in startScope()
190     *
191     * @see startScope()
192     */
193    protected function finishScope()
194    {
195        // remove identifier from renderer again
196        if (isset($this->renderer->info['struct_table_hash'])) {
197            unset($this->renderer->info['struct_table_hash']);
198        }
199
200        // wrapping div
201        if ($this->mode != 'xhtml') return;
202        $this->renderer->doc .= '</div>';
203    }
204
205    /**
206     * Displays info about the currently applied filters
207     */
208    protected function renderActiveFilters()
209    {
210        if ($this->mode != 'xhtml') return;
211        $dynamic = $this->searchConfig->getDynamicParameters();
212        $filters = $dynamic->getFilters();
213        if (!$filters) return;
214
215        $fltrs = array();
216        foreach ($filters as $column => $filter) {
217            list($comp, $value) = $filter;
218
219            // display the filters in a human readable format
220            foreach ($this->columns as $col) {
221                if ($column === $col->getFullQualifiedLabel()) {
222                    $column = $col->getTranslatedLabel();
223                }
224            }
225            $fltrs[] = sprintf('"%s" %s "%s"', $column, $this->helper->getLang("comparator $comp"), $value);
226        }
227
228        $this->renderer->doc .= '<div class="filter">';
229        $this->renderer->doc .= '<h4>' . sprintf($this->helper->getLang('tablefilteredby'), hsc(implode(' & ', $fltrs))) . '</h4>';
230        $this->renderer->doc .= '<div class="resetfilter">';
231        $this->renderer->internallink($this->id, $this->helper->getLang('tableresetfilter'));
232        $this->renderer->doc .= '</div>';
233        $this->renderer->doc .= '</div>';
234    }
235
236    /**
237     * Shows the column headers with links to sort by column
238     */
239    protected function renderColumnHeaders()
240    {
241        $this->renderer->tablerow_open();
242
243        // additional column for row numbers
244        if (!empty($this->data['rownumbers'])) {
245            $this->renderer->tableheader_open();
246            $this->renderer->cdata('#');
247            $this->renderer->tableheader_close();
248        }
249
250        // show all headers
251        foreach ($this->columns as $num => $column) {
252            $header = '';
253            if (isset($this->data['headers'][$num])) {
254                $header = $this->data['headers'][$num];
255            }
256
257            // use field label if no header was set
258            if (blank($header)) {
259                if (is_a($column, 'dokuwiki\plugin\struct\meta\Column')) {
260                    $header = $column->getTranslatedLabel();
261                } else {
262                    $header = 'column ' . $num; // this should never happen
263                }
264            }
265
266            // simple mode first
267            if ($this->mode != 'xhtml') {
268                $this->renderer->tableheader_open();
269                $this->renderer->cdata($header);
270                $this->renderer->tableheader_close();
271                continue;
272            }
273
274            // still here? create custom header for more flexibility
275
276            // width setting, widths are prevalidated, no escape needed
277            $width = '';
278            if (isset($this->data['widths'][$num]) && $this->data['widths'][$num] != '-') {
279                $width = ' style="min-width: ' . $this->data['widths'][$num] . ';' .
280                         'max-width: ' . $this->data['widths'][$num] . ';"';
281            }
282
283            // prepare data attribute for inline edits
284            if (
285                !is_a($column, '\dokuwiki\plugin\struct\meta\PageColumn') &&
286                !is_a($column, '\dokuwiki\plugin\struct\meta\RevisionColumn')
287            ) {
288                $data = 'data-field="' . hsc($column->getFullQualifiedLabel()) . '"';
289            } else {
290                $data = '';
291            }
292
293            // sort indicator and link
294            $sortclass = '';
295            $sorts = $this->searchConfig->getSorts();
296            $dynamic = $this->searchConfig->getDynamicParameters();
297            $dynamic->setSort($column, true);
298            if (isset($sorts[$column->getFullQualifiedLabel()])) {
299                list(/*colname*/, $currentSort) = $sorts[$column->getFullQualifiedLabel()];
300                if ($currentSort) {
301                    $sortclass = 'sort-down';
302                    $dynamic->setSort($column, false);
303                } else {
304                    $sortclass = 'sort-up';
305                }
306            }
307            $link = wl($this->id, $dynamic->getURLParameters());
308
309            // output XHTML header
310            $this->renderer->doc .= "<th $width $data>";
311            $this->renderer->doc .= '<a href="' . $link . '" class="' . $sortclass . '" title="' . $this->helper->getLang('sort') . '">' . hsc($header) . '</a>';
312            $this->renderer->doc .= '</th>';
313        }
314
315        $this->renderer->tablerow_close();
316    }
317
318    /**
319     * Is the result set currently dynamically filtered?
320     * @return bool
321     */
322    protected function isDynamicallyFiltered()
323    {
324        if ($this->mode != 'xhtml') return false;
325        if (!$this->data['dynfilters']) return false;
326
327        $dynamic = $this->searchConfig->getDynamicParameters();
328        return (bool) $dynamic->getFilters();
329    }
330
331    /**
332     * Add input fields for dynamic filtering
333     */
334    protected function renderDynamicFilters()
335    {
336        if ($this->mode != 'xhtml') return;
337        if (!$this->data['dynfilters']) return;
338        if (is_a($this->renderer, 'renderer_plugin_dw2pdf')) {
339            return;
340        }
341        global $conf;
342
343        $this->renderer->doc .= '<tr class="dataflt">';
344
345        // add extra column for row numbers
346        if ($this->data['rownumbers']) {
347            $this->renderer->doc .= '<th></th>';
348        }
349
350        // each column gets a form
351        foreach ($this->columns as $column) {
352            $this->renderer->doc .= '<th>';
353            {
354                $form = new \Doku_Form(array('method' => 'GET', 'action' => wl($this->id)));
355                unset($form->_hidden['sectok']); // we don't need it here
356                if (!$conf['userewrite']) $form->addHidden('id', $this->id);
357
358                // current value
359                $dynamic = $this->searchConfig->getDynamicParameters();
360                $filters = $dynamic->getFilters();
361            if (isset($filters[$column->getFullQualifiedLabel()])) {
362                list(, $current) = $filters[$column->getFullQualifiedLabel()];
363                $dynamic->removeFilter($column);
364            } else {
365                $current = '';
366            }
367
368                // Add current request params
369                $params = $dynamic->getURLParameters();
370            foreach ($params as $key => $val) {
371                $form->addHidden($key, $val);
372            }
373
374                // add input field
375                $key = $column->getFullQualifiedLabel() . $column->getType()->getDefaultComparator();
376                $form->addElement(form_makeField('text', SearchConfigParameters::$PARAM_FILTER . '[' . $key . ']', $current, ''));
377                $this->renderer->doc .= $form->getForm();
378            }
379            $this->renderer->doc .= '</th>';
380        }
381        $this->renderer->doc .= '</tr>';
382    }
383
384    /**
385     * Display the actual table data
386     */
387    protected function renderResult()
388    {
389        foreach ($this->result as $rownum => $row) {
390            $data = array(
391                'id' => $this->id,
392                'mode' => $this->mode,
393                'renderer' => $this->renderer,
394                'searchConfig' => $this->searchConfig,
395                'data' => $this->data,
396                'rownum' => &$rownum,
397                'row' => &$row,
398            );
399            $evt = new \Doku_Event('PLUGIN_STRUCT_AGGREGATIONTABLE_RENDERRESULTROW', $data);
400            if ($evt->advise_before()) {
401                $this->renderResultRow($rownum, $row);
402            }
403            $evt->advise_after();
404        }
405    }
406
407    /**
408     * Render a single result row
409     *
410     * @param int $rownum
411     * @param array $row
412     */
413    protected function renderResultRow($rownum, $row)
414    {
415        $this->renderer->tablerow_open();
416
417        // add data attribute for inline edit
418        if ($this->mode == 'xhtml') {
419            $pid = $this->resultPIDs[$rownum];
420            $rid = $this->resultRids[$rownum];
421            $rev = $this->resultRevs[$rownum];
422            $this->renderer->doc = substr(rtrim($this->renderer->doc), 0, -1); // remove closing '>'
423            $this->renderer->doc .= ' data-pid="' . hsc($pid) . '" data-rev="' . $rev . '" data-rid="' . $rid . '">';
424        }
425
426        // row number column
427        if (!empty($this->data['rownumbers'])) {
428            $this->renderer->tablecell_open();
429            $searchConfigConf = $this->searchConfig->getConf();
430            $this->renderer->cdata($rownum + $searchConfigConf['offset'] + 1);
431            $this->renderer->tablecell_close();
432        }
433
434        /** @var Value $value */
435        foreach ($row as $colnum => $value) {
436            $align = isset($this->data['align'][$colnum]) ?  $this->data['align'][$colnum] : null;
437            $this->renderer->tablecell_open(1, $align);
438            $value->render($this->renderer, $this->mode);
439            $this->renderer->tablecell_close();
440
441            // summarize
442            if ($this->data['summarize'] && is_numeric($value->getValue())) {
443                if (!isset($this->sums[$colnum])) {
444                    $this->sums[$colnum] = 0;
445                }
446                $this->sums[$colnum] += $value->getValue();
447            }
448        }
449        $this->renderer->tablerow_close();
450    }
451
452    /**
453     * Renders an information row for when no results were found
454     */
455    protected function renderEmptyResult()
456    {
457        $this->renderer->tablerow_open();
458        $this->renderer->tablecell_open(count($this->columns) + $this->data['rownumbers'], 'center');
459        $this->renderer->cdata($this->helper->getLang('none'));
460        $this->renderer->tablecell_close();
461        $this->renderer->tablerow_close();
462    }
463
464    /**
465     * Add sums if wanted
466     */
467    protected function renderSums()
468    {
469        if (empty($this->data['summarize'])) return;
470
471        $this->renderer->info['struct_table_meta'] = true;
472        if ($this->mode == 'xhtml') {
473            /** @noinspection PhpMethodParametersCountMismatchInspection */
474            $this->renderer->tablerow_open('summarize');
475        } else {
476            $this->renderer->tablerow_open();
477        }
478
479        if ($this->data['rownumbers']) {
480            $this->renderer->tableheader_open();
481            $this->renderer->tableheader_close();
482        }
483
484        $len = count($this->columns);
485        for ($i = 0; $i < $len; $i++) {
486            $this->renderer->tableheader_open(1, $this->data['align'][$i]);
487            if (!empty($this->sums[$i])) {
488                $this->renderer->cdata('∑ ');
489                $this->columns[$i]->getType()->renderValue($this->sums[$i], $this->renderer, $this->mode);
490            } else {
491                if ($this->mode == 'xhtml') {
492                    $this->renderer->doc .= '&nbsp;';
493                }
494            }
495            $this->renderer->tableheader_close();
496        }
497        $this->renderer->tablerow_close();
498        $this->renderer->info['struct_table_meta'] = false;
499    }
500
501    /**
502     * Adds paging controls to the table
503     */
504    protected function renderPagingControls()
505    {
506        if (empty($this->data['limit'])) return;
507        if ($this->mode != 'xhtml') return;
508
509        $this->renderer->info['struct_table_meta'] = true;
510        $this->renderer->tablerow_open();
511        $this->renderer->tableheader_open((count($this->columns) + ($this->data['rownumbers'] ? 1 : 0)));
512        $offset = $this->data['offset'];
513
514        // prev link
515        if ($offset) {
516            $prev = $offset - $this->data['limit'];
517            if ($prev < 0) {
518                $prev = 0;
519            }
520
521            $dynamic = $this->searchConfig->getDynamicParameters();
522            $dynamic->setOffset($prev);
523            $link = wl($this->id, $dynamic->getURLParameters());
524            $this->renderer->doc .= '<a href="' . $link . '" class="prev">' . $this->helper->getLang('prev') . '</a>';
525        }
526
527        // next link
528        if ($this->resultCount > $offset + $this->data['limit']) {
529            $next = $offset + $this->data['limit'];
530            $dynamic = $this->searchConfig->getDynamicParameters();
531            $dynamic->setOffset($next);
532            $link = wl($this->id, $dynamic->getURLParameters());
533            $this->renderer->doc .= '<a href="' . $link . '" class="next">' . $this->helper->getLang('next') . '</a>';
534        }
535
536        $this->renderer->tableheader_close();
537        $this->renderer->tablerow_close();
538        $this->renderer->info['struct_table_meta'] = true;
539    }
540
541    /**
542     * Adds CSV export controls
543     */
544    protected function renderExportControls()
545    {
546        if ($this->mode != 'xhtml') return;
547        if (empty($this->data['csv'])) return;
548        if (!$this->resultCount) return;
549
550        $dynamic = $this->searchConfig->getDynamicParameters();
551        $params = $dynamic->getURLParameters();
552        $params['hash'] = $this->renderer->info['struct_table_hash'];
553
554        // FIXME apply dynamic filters
555        $link = exportlink($this->id, 'struct_csv', $params);
556
557        $this->renderer->doc .= '<a href="' . $link . '" class="export mediafile mf_csv">' . $this->helper->getLang('csvexport') . '</a>';
558    }
559}
560