xref: /webtrees/app/Module/HourglassChartModule.php (revision a51456341d2020736a75d90c5bf22e4fc5e947c2) 
1<?php
2/**
3 * webtrees: online genealogy
4 * Copyright (C) 2019 webtrees development team
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16declare(strict_types=1);
17
18namespace Fisharebest\Webtrees\Module;
19
20use Fisharebest\Webtrees\Auth;
21use Fisharebest\Webtrees\Contracts\UserInterface;
22use Fisharebest\Webtrees\Functions\FunctionsPrint;
23use Fisharebest\Webtrees\I18N;
24use Fisharebest\Webtrees\Individual;
25use Fisharebest\Webtrees\Menu;
26use Fisharebest\Webtrees\Tree;
27use Symfony\Component\HttpFoundation\Request;
28use Symfony\Component\HttpFoundation\Response;
29use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
30
31/**
32 * Class HourglassChartModule
33 */
34class HourglassChartModule extends AbstractModule implements ModuleChartInterface
35{
36    use ModuleChartTrait;
37
38    // Defaults
39    private const DEFAULT_GENERATIONS         = '3';
40    private const DEFAULT_MAXIMUM_GENERATIONS = '9';
41
42    // Limits
43    private const MAXIMUM_GENERATIONS = 10;
44    private const MINIMUM_GENERATIONS = 2;
45
46    /**
47     * How should this module be identified in the control panel, etc.?
48     *
49     * @return string
50     */
51    public function title(): string
52    {
53        /* I18N: Name of a module/chart */
54        return I18N::translate('Hourglass chart');
55    }
56
57    /**
58     * A sentence describing what this module does.
59     *
60     * @return string
61     */
62    public function description(): string
63    {
64        /* I18N: Description of the “HourglassChart” module */
65        return I18N::translate('An hourglass chart of an individual’s ancestors and descendants.');
66    }
67
68    /**
69     * CSS class for the URL.
70     *
71     * @return string
72     */
73    public function chartMenuClass(): string
74    {
75        return 'menu-chart-hourglass';
76    }
77
78    /**
79     * Return a menu item for this chart - for use in individual boxes.
80     *
81     * @param Individual $individual
82     *
83     * @return Menu|null
84     */
85    public function chartBoxMenu(Individual $individual): ?Menu
86    {
87        return $this->chartMenu($individual);
88    }
89
90    /**
91     * A form to request the chart parameters.
92     *
93     * @param Request       $request
94     * @param Tree          $tree
95     * @param UserInterface $user
96     *
97     * @return Response
98     */
99    public function getChartAction(Request $request, Tree $tree, UserInterface $user): Response
100    {
101        $ajax       = (bool) $request->get('ajax');
102        $xref       = $request->get('xref', '');
103        $individual = Individual::getInstance($xref, $tree);
104
105        Auth::checkIndividualAccess($individual);
106        Auth::checkComponentAccess($this, 'chart', $tree, $user);
107
108        $generations = (int) $request->get('generations', self::DEFAULT_GENERATIONS);
109
110        $generations = min($generations, self::MAXIMUM_GENERATIONS);
111        $generations = max($generations, self::MINIMUM_GENERATIONS);
112
113        $show_spouse = (bool) $request->get('show_spouse');
114
115        if ($ajax) {
116            return $this->chart($individual, $generations, $show_spouse);
117        }
118
119        $ajax_url = $this->chartUrl($individual, [
120            'ajax'        => true,
121            'show_spouse' => $show_spouse,
122        ]);
123
124        return $this->viewResponse('modules/hourglass-chart/page', [
125            'ajax_url'            => $ajax_url,
126            'generations'         => $generations,
127            'individual'          => $individual,
128            'maximum_generations' => self::MAXIMUM_GENERATIONS,
129            'minimum_generations' => self::MINIMUM_GENERATIONS,
130            'module_name'         => $this->name(),
131            'show_spouse'         => $show_spouse,
132            'title'               => $this->chartTitle($individual),
133        ]);
134    }
135
136    /**
137     * Generate the initial generations of the chart
138     *
139     * @param Individual $individual
140     * @param int        $generations
141     * @param bool       $show_spouse
142     *
143     * @return Response
144     */
145    protected function chart(Individual $individual, int $generations, bool $show_spouse): Response
146    {
147        ob_start();
148        $this->printDescendency($individual, 1, $generations, $show_spouse, true);
149        $descendants = ob_get_clean();
150
151        ob_start();
152        $this->printPersonPedigree($individual, 1, $generations, $show_spouse);
153        $ancestors = ob_get_clean();
154
155        return new Response(view('modules/hourglass-chart/chart', [
156            'descendants' => $descendants,
157            'ancestors'   => $ancestors,
158            'bhalfheight' => (int) (app(ModuleThemeInterface::class)->parameter('chart-box-y') / 2),
159            'module_name' => $this->name(),
160        ]));
161    }
162
163    /**
164     * @param Request $request
165     * @param Tree    $tree
166     *
167     * @return Response
168     */
169    public function postAncestorsAction(Request $request, Tree $tree): Response
170    {
171        $xref       = $request->get('xref', '');
172        $individual = Individual::getInstance($xref, $tree);
173
174        Auth::checkIndividualAccess($individual);
175
176        $show_spouse = (bool) $request->get('show_spouse');
177
178        ob_start();
179        $this->printPersonPedigree($individual, 0, 1, $show_spouse);
180        $html = ob_get_clean();
181
182        return new Response($html);
183    }
184
185    /**
186     * @param Request $request
187     * @param Tree    $tree
188     *
189     * @return Response
190     */
191    public function postDescendantsAction(Request $request, Tree $tree): Response
192    {
193        $show_spouse = (bool) $request->get('show_spouse');
194        $xref       = $request->get('xref', '');
195        $individual = Individual::getInstance($xref, $tree);
196
197        if ($individual === null) {
198            throw new NotFoundHttpException();
199        }
200
201        ob_start();
202        $this->printDescendency($individual, 1, 2, $show_spouse, false);
203        $html = ob_get_clean();
204
205        return new Response($html);
206    }
207
208    /**
209     * Prints descendency of passed in person
210     *
211     * @param Individual $individual  Show descendants of this individual
212     * @param int        $generation  The current generation number
213     * @param int        $generations Show this number of generations
214     * @param bool       $show_spouse
215     * @param bool       $show_menu
216     *
217     * @return void
218     */
219    private function printDescendency(Individual $individual, int $generation, int $generations, bool $show_spouse, bool $show_menu): void
220    {
221        static $lastGenSecondFam = false;
222
223        if ($generation > $generations) {
224            return;
225        }
226        $pid         = $individual->xref();
227        $tablealign  = 'right';
228        $otablealign = 'left';
229        if (I18N::direction() === 'rtl') {
230            $tablealign  = 'left';
231            $otablealign = 'right';
232        }
233
234        //-- put a space between families on the last generation
235        if ($generation == $generations - 1) {
236            if ($lastGenSecondFam) {
237                echo '<br>';
238            }
239            $lastGenSecondFam = true;
240        }
241        echo '<table cellspacing="0" cellpadding="0" border="0" id="table_' . e($pid) . '" class="hourglassChart" style="float:' . $tablealign . '">';
242        echo '<tr>';
243        echo '<td style="text-align:' . $tablealign . '">';
244        $families = $individual->spouseFamilies();
245        $children = [];
246        if ($generation < $generations) {
247            // Put all of the children in a common array
248            foreach ($families as $family) {
249                foreach ($family->children() as $child) {
250                    $children[] = $child;
251                }
252            }
253
254            $ct = count($children);
255            if ($ct > 0) {
256                echo '<table cellspacing="0" cellpadding="0" border="0" style="position: relative; top: auto; float: ' . $tablealign . ';">';
257                for ($i = 0; $i < $ct; $i++) {
258                    $individual2 = $children[$i];
259                    $chil        = $individual2->xref();
260                    echo '<tr>';
261                    echo '<td id="td_', e($chil), '" class="', I18N::direction(), '" style="text-align:', $otablealign, '">';
262                    $this->printDescendency($individual2, $generation + 1, $generations, $show_spouse, false);
263                    echo '</td>';
264
265                    // Print the lines
266                    if ($ct > 1) {
267                        if ($i == 0) {
268                            // First child
269                            echo '<td style="vertical-align:bottom"><img alt="" role="presentation" class="line1 tvertline" id="vline_' . $chil . '" src="' . e(asset('css/images/vline.png')) . '" width="3"></td>';
270                        } elseif ($i == $ct - 1) {
271                            // Last child
272                            echo '<td style="vertical-align:top"><img alt="" role="presentation" class="bvertline" id="vline_' . $chil . '" src="' . e(asset('css/images/vline.png')) . '" width="3"></td>';
273                        } else {
274                            // Middle child
275                            echo '<td style="background:url(' . e('"' . asset('css/images/vline.png') . '"') . ');"><img alt="" role="presentation" src="' . e(asset('css/images/spacer.png')) . '" width="3"></td>';
276                        }
277                    }
278                    echo '</tr>';
279                }
280                echo '</table>';
281            }
282            echo '</td>';
283            echo '<td class="myCharts" width="', app(ModuleThemeInterface::class)->parameter('chart-box-x'), '">';
284        }
285
286        // Print the descendency expansion arrow
287        if ($generation === $generations) {
288            $tbwidth = app(ModuleThemeInterface::class)->parameter('chart-box-x') + 16;
289            for ($j = $generation; $j < $generations; $j++) {
290                echo "<div style='width: ", $tbwidth, "px;'><br></div></td><td style='width:", app(ModuleThemeInterface::class)->parameter('chart-box-x'), "px'>";
291            }
292            $kcount = 0;
293            foreach ($families as $family) {
294                $kcount += $family->numberOfChildren();
295            }
296            if ($kcount == 0) {
297                echo "</td><td style='width:", app(ModuleThemeInterface::class)->parameter('chart-box-x'), "px'>";
298            } else {
299                echo '<a href="#" title="' . I18N::translate('Children') . '" data-route="Descendants" data-xref="' .  e($pid) . '" data-spouses="' .  e($show_spouse) . '" data-tree="' .  e($individual->tree()->name()) . '">' . view('icons/arrow-left') . '</a>';
300
301                //-- move the arrow up to line up with the correct box
302                if ($show_spouse) {
303                    echo str_repeat('<br><br><br>', count($families));
304                }
305                echo "</td><td style='width:", app(ModuleThemeInterface::class)->parameter('chart-box-x'), "px'>";
306            }
307        }
308
309        echo '<table cellspacing="0" cellpadding="0" border="0" id="table2_' . $pid . '"><tr><td> ';
310        echo FunctionsPrint::printPedigreePerson($individual);
311        echo '</td><td> <img alt="" role="presentation" class="lineh1" src="' . e(asset('css/images/hline.png')) . '" width="7" height="3">';
312
313        //----- Print the spouse
314        if ($show_spouse) {
315            foreach ($families as $family) {
316                echo "</td></tr><tr><td style='text-align:$otablealign'>";
317                echo FunctionsPrint::printPedigreePerson($family->spouse($individual));
318                echo '</td><td> </td>';
319            }
320            //-- add offset divs to make things line up better
321            if ($generation == $generations) {
322                echo "<tr><td colspan '2'><div style='height:", (app(ModuleThemeInterface::class)->parameter('chart-box-y') / 4), 'px; width:', app(ModuleThemeInterface::class)->parameter('chart-box-x'), "px;'><br></div>";
323            }
324        }
325        echo '</td></tr></table>';
326
327        // For the root individual, print a down arrow that allows changing the root of tree
328        if ($show_menu && $generation == 1) {
329            echo '<div class="text-center" id="childarrow" style="position:absolute; width:', app(ModuleThemeInterface::class)->parameter('chart-box-x'), 'px;">';
330            echo '<a href="#" title="' . I18N::translate('Family') . '" id="spouse-child-links">' . view('icons/arrow-down') . '</a>';
331            echo '<div id="childbox">';
332            echo '<table cellspacing="0" cellpadding="0" border="0" class="person_box"><tr><td> ';
333
334            foreach ($individual->spouseFamilies() as $family) {
335                echo "<span class='name1'>" . I18N::translate('Family') . '</span>';
336                $spouse = $family->spouse($individual);
337                if ($spouse !== null) {
338                    echo '<a href="' . e(route('hourglass', [
339                            'xref'        => $spouse->xref(),
340                            'generations' => $generations,
341                            'show_spouse' => (int) $show_spouse,
342                            'ged'         => $spouse->tree()->name(),
343                        ])) . '" class="name1">' . $spouse->fullName() . '</a>';
344                }
345                foreach ($family->children() as $child) {
346                    echo '<a href="' . e(route('hourglass', [
347                            'xref'        => $child->xref(),
348                            'generations' => $generations,
349                            'show_spouse' => (int) $show_spouse,
350                            'ged'         => $child->tree()->name(),
351                        ])) . '" class="name1">' . $child->fullName() . '</a>';
352                }
353            }
354
355            //-- print the siblings
356            foreach ($individual->childFamilies() as $family) {
357                if ($family->husband() || $family->wife()) {
358                    echo "<span class='name1'>" . I18N::translate('Parents') . '</span>';
359                    $husb = $family->husband();
360                    if ($husb) {
361                        echo '<a href="' . e(route('hourglass', [
362                                'xref'        => $husb->xref(),
363                                'generations' => $generations,
364                                'show_spouse' => (int) $show_spouse,
365                                'ged'         => $husb->tree()->name(),
366                            ])) . '" class="name1">' . $husb->fullName() . '</a>';
367                    }
368                    $wife = $family->wife();
369                    if ($wife) {
370                        echo '<a href="' . e(route('hourglass', [
371                                'xref'        => $wife->xref(),
372                                'generations' => $generations,
373                                'show_spouse' => (int) $show_spouse,
374                                'ged'         => $wife->tree()->name(),
375                            ])) . '" class="name1">' . $wife->fullName() . '</a>';
376                    }
377                }
378
379                // filter out root person from children array so only siblings remain
380                $siblings       = $family->children()->filter(function (Individual $x) use ($individual): bool {
381                    return $x !== $individual;
382                });
383
384                if ($siblings->count() > 0) {
385                    echo '<span class="name1">';
386                    echo $siblings->count() > 1 ? I18N::translate('Siblings') : I18N::translate('Sibling');
387                    echo '</span>';
388                    foreach ($siblings as $child) {
389                        echo '<a href="' . e(route('hourglass', [
390                                'xref'        => $child->xref(),
391                                'generations' => $generations,
392                                'show_spouse' => (int) $show_spouse,
393                                'ged'         => $child->tree()->name(),
394                            ])) . '" class="name1">' . $child->fullName() . '</a>';
395                    }
396                }
397            }
398            echo '</td></tr></table>';
399            echo '</div>';
400            echo '</div>';
401        }
402        echo '</td></tr></table>';
403    }
404
405    /**
406     * Prints pedigree of the person passed in. Which is the descendancy
407     *
408     * @param Individual $individual  Show the pedigree of this individual
409     * @param int        $generation  Current generation number
410     * @param int        $generations Show this number of generations
411     * @param bool       $show_spouse
412     *
413     * @return void
414     */
415    private function printPersonPedigree(Individual $individual, int $generation, int $generations, bool $show_spouse): void
416    {
417        if ($generation >= $generations) {
418            return;
419        }
420
421        // handle pedigree n generations lines
422        $genoffset = $generations;
423
424        $family = $individual->primaryChildFamily();
425
426        if ($family === null) {
427            // Prints empty table columns for children w/o parents up to the max generation
428            // This allows vertical line spacing to be consistent
429            echo '<table><tr><td> ' . app(ModuleThemeInterface::class)->individualBoxEmpty() . '</td>';
430            echo '<td> ';
431            // Recursively get the father’s family
432            $this->printPersonPedigree($individual, $generation + 1, $generations, $show_spouse);
433            echo '</td></tr>';
434            echo '<tr><td> ' . app(ModuleThemeInterface::class)->individualBoxEmpty() . '</td>';
435            echo '<td> ';
436            // Recursively get the mother’s family
437            $this->printPersonPedigree($individual, $generation + 1, $generations, $show_spouse);
438            echo '</td><td> </tr></table>';
439        } else {
440            echo '<table cellspacing="0" cellpadding="0" border="0"  class="hourglassChart">';
441            echo '<tr>';
442            echo '<td style="vertical-align:bottom"><img alt="" role="presnentation" class="line3 pvline" src="' . e(asset('css/images/vline.png')) . '" width="3"></td>';
443            echo '<td> <img alt="" role="presentation" class="lineh2" src="' . e(asset('css/images/hline.png')) . '" width="7" height="3"></td>';
444            echo '<td class="myCharts"> ';
445            //-- print the father box
446            echo FunctionsPrint::printPedigreePerson($family->husband());
447            echo '</td>';
448            if ($family->husband()) {
449                $ARID = $family->husband()->xref();
450                echo '<td id="td_' . e($ARID) . '">';
451
452                if ($generation == $generations - 1 && $family->husband()->childFamilies()) {
453                    echo '<a href="#" title="' . I18N::translate('Parents') . '" data-route="Ancestors" data-xref="' .  e($ARID) . '" data-spouses="' .  e($show_spouse) . '" data-tree="' .  e($family->husband()->tree()->name()) . '">' . view('icons/arrow-right') . '</a>';
454                }
455
456                $this->printPersonPedigree($family->husband(), $generation + 1, $generations, $show_spouse);
457                echo '</td>';
458            } else {
459                echo '<td> ';
460                if ($generation < $genoffset - 1) {
461                    echo '<table>';
462                    for ($i = $generation; $i < ((2 ** (($genoffset - 1) - $generation)) / 2) + 2; $i++) {
463                        echo app(ModuleThemeInterface::class)->individualBoxEmpty();
464                        echo '</tr>';
465                        echo app(ModuleThemeInterface::class)->individualBoxEmpty();
466                        echo '</tr>';
467                    }
468                    echo '</table>';
469                }
470            }
471            echo
472            '</tr><tr>',
473                '<td style="vertical-align:top"><img alt="" role="presentation" class="pvline" src="' . e(asset('css/images/vline.png')) . '" width="3"></td>',
474                '<td> <img alt="" role="presentation" class="lineh3" src="' . e(asset('css/images/hline.png')) . '" width="7" height="3"></td>',
475            '<td class="myCharts"> ';
476
477            echo FunctionsPrint::printPedigreePerson($family->wife());
478            echo '</td>';
479            if ($family->wife()) {
480                $ARID = $family->wife()->xref();
481                echo '<td id="td_' . e($ARID) . '">';
482
483                if ($generation == $generations - 1 && $family->wife()->childFamilies()) {
484                    echo '<a href="#" title="' . I18N::translate('Parents') . '" data-route="Ancestors" data-xref="' .  e($ARID) . '" data-spouses="' .  e($show_spouse) . '" data-tree="' .  e($family->wife()->tree()->name()) . '">' . view('icons/arrow-right') . '</a>';
485                }
486
487                $this->printPersonPedigree($family->wife(), $generation + 1, $generations, $show_spouse);
488                echo '</td>';
489            }
490            echo '</tr></table>';
491        }
492    }
493}
494