1<?php 2/** 3 * webtrees: online genealogy 4 * Copyright (C) 2018 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 */ 16namespace Fisharebest\Webtrees\Module\InteractiveTree; 17 18use Fisharebest\Webtrees\Family; 19use Fisharebest\Webtrees\I18N; 20use Fisharebest\Webtrees\Individual; 21use Fisharebest\Webtrees\Tree; 22 23/** 24 * Class TreeView 25 */ 26class TreeView 27{ 28 /** @var string HTML element name */ 29 private $name; 30 31 /** 32 * Treeview Constructor 33 * 34 * @param string $name the name of the TreeView object’s instance 35 */ 36 public function __construct($name = 'tree') 37 { 38 $this->name = $name; 39 } 40 41 /** 42 * Draw the viewport which creates the draggable/zoomable framework 43 * Size is set by the container, as the viewport can scale itself automatically 44 * 45 * @param Individual $individual Draw the chart for this individual 46 * @param int $generations number of generations to draw 47 * 48 * @return string[] HTML and Javascript 49 */ 50 public function drawViewport(Individual $individual, $generations) 51 { 52 $html = view('interactive-tree-chart', [ 53 'name' => $this->name, 54 'individual' => $this->drawPerson($individual, $generations, 0, null, null, true), 55 ]); 56 57 return [ 58 $html, 59 'var ' . $this->name . 'Handler = new TreeViewHandler("' . $this->name . '", "' . e($individual->getTree()->getName()) . '");', 60 ]; 61 } 62 63 /** 64 * Return a JSON structure to a JSON request 65 * 66 * @param Tree $tree 67 * @param string $list list of JSON requests 68 * 69 * @return string 70 */ 71 public function getPersons(Tree $tree, $list) 72 { 73 $list = explode(';', $list); 74 $r = []; 75 foreach ($list as $jsonRequest) { 76 $firstLetter = substr($jsonRequest, 0, 1); 77 $jsonRequest = substr($jsonRequest, 1); 78 switch ($firstLetter) { 79 case 'c': 80 $fidlist = explode(',', $jsonRequest); 81 $flist = []; 82 foreach ($fidlist as $fid) { 83 $flist[] = Family::getInstance($fid, $tree); 84 } 85 $r[] = $this->drawChildren($flist, 1, true); 86 break; 87 case 'p': 88 $params = explode('@', $jsonRequest); 89 $fid = $params[0]; 90 $order = $params[1]; 91 $f = Family::getInstance($fid, $tree); 92 if ($f->getHusband()) { 93 $r[] = $this->drawPerson($f->getHusband(), 0, 1, $f, $order); 94 } elseif ($f->getWife()) { 95 $r[] = $this->drawPerson($f->getWife(), 0, 1, $f, $order); 96 } 97 break; 98 } 99 } 100 101 return json_encode($r); 102 } 103 104 /** 105 * Get the details for a person and their life partner(s) 106 * 107 * @param Individual $individual the individual to return the details for 108 * 109 * @return string 110 */ 111 public function getDetails(Individual $individual) 112 { 113 $html = $this->getPersonDetails($individual, null); 114 foreach ($individual->getSpouseFamilies() as $family) { 115 $spouse = $family->getSpouse($individual); 116 if ($spouse) { 117 $html .= $this->getPersonDetails($spouse, $family); 118 } 119 } 120 121 return $html; 122 } 123 124 /** 125 * Return the details for a person 126 * 127 * @param Individual $individual 128 * @param Family $family 129 * 130 * @return string 131 */ 132 private function getPersonDetails(Individual $individual, Family $family = null) 133 { 134 $chart_url = route('module', [ 135 'module' => 'tree', 136 'action' => 'Treeview', 137 'xref' => $individual->getXref(), 138 'ged' => $individual->getTree()->getName(), 139 ]); 140 141 $hmtl = $this->getThumbnail($individual); 142 $hmtl .= '<a class="tv_link" href="' . e($individual->url()) . '">' . $individual->getFullName() . '</a> <a href="' . e($chart_url) . '" title="' . I18N::translate('Interactive tree of %s', strip_tags($individual->getFullName())) . '" class="icon-button_indi tv_link tv_treelink"></a>'; 143 foreach ($individual->getFacts(WT_EVENTS_BIRT, true) as $fact) { 144 $hmtl .= $fact->summary(); 145 } 146 if ($family) { 147 foreach ($family->getFacts(WT_EVENTS_MARR, true) as $fact) { 148 $hmtl .= $fact->summary(); 149 } 150 } 151 foreach ($individual->getFacts(WT_EVENTS_DEAT, true) as $fact) { 152 $hmtl .= $fact->summary(); 153 } 154 155 return '<div class="tv' . $individual->getSex() . ' tv_person_expanded">' . $hmtl . '</div>'; 156 } 157 158 /** 159 * Draw the children for some families 160 * 161 * @param Family[] $familyList array of families to draw the children for 162 * @param int $gen number of generations to draw 163 * @param bool $ajax setted to true for an ajax call 164 * 165 * @return string 166 */ 167 private function drawChildren(array $familyList, $gen = 1, $ajax = false) 168 { 169 $html = ''; 170 $children2draw = []; 171 $f2load = []; 172 173 foreach ($familyList as $f) { 174 if (empty($f)) { 175 continue; 176 } 177 $children = $f->getChildren(); 178 if ($children) { 179 $f2load[] = $f->getXref(); 180 foreach ($children as $child) { 181 // Eliminate duplicates - e.g. when adopted by a step-parent 182 $children2draw[$child->getXref()] = $child; 183 } 184 } 185 } 186 $tc = count($children2draw); 187 if ($tc) { 188 $f2load = implode(',', $f2load); 189 $nbc = 0; 190 foreach ($children2draw as $child) { 191 $nbc++; 192 if ($tc == 1) { 193 $co = 'c'; // unique 194 } elseif ($nbc == 1) { 195 $co = 't'; // first 196 } elseif ($nbc == $tc) { 197 $co = 'b'; //last 198 } else { 199 $co = 'h'; 200 } 201 $html .= $this->drawPerson($child, $gen - 1, -1, null, $co); 202 } 203 if (!$ajax) { 204 $html = '<td align="right"' . ($gen == 0 ? ' abbr="c' . $f2load . '"' : '') . '>' . $html . '</td>' . $this->drawHorizontalLine(); 205 } 206 } 207 208 return $html; 209 } 210 211 /** 212 * Draw a person in the tree 213 * 214 * @param Individual $person The Person object to draw the box for 215 * @param int $gen The number of generations up or down to print 216 * @param int $state Whether we are going up or down the tree, -1 for descendents +1 for ancestors 217 * @param Family $pfamily 218 * @param string $order first (1), last(2), unique(0), or empty. Required for drawing lines between boxes 219 * @param bool $isRoot 220 * 221 * @return string 222 * 223 * Notes : "spouse" means explicitely married partners. Thus, the word "partner" 224 * (for "life partner") here fits much better than "spouse" or "mate" 225 * to translate properly the modern french meaning of "conjoint" 226 */ 227 private function drawPerson(Individual $person, $gen, $state, Family $pfamily = null, $order = null, $isRoot = false) 228 { 229 if ($gen < 0) { 230 return ''; 231 } 232 if (!empty($pfamily)) { 233 $partner = $pfamily->getSpouse($person); 234 } else { 235 $partner = $person->getCurrentSpouse(); 236 } 237 if ($isRoot) { 238 $html = '<table id="tvTreeBorder" class="tv_tree"><tbody><tr><td id="tv_tree_topleft"></td><td id="tv_tree_top"></td><td id="tv_tree_topright"></td></tr><tr><td id="tv_tree_left"></td><td>'; 239 } else { 240 $html = ''; 241 } 242 /* height 1% : this hack enable the div auto-dimensioning in td for FF & Chrome */ 243 $html .= '<table class="tv_tree"' . ($isRoot ? ' id="tv_tree"' : '') . ' style="height: 1%"><tbody><tr>'; 244 245 if ($state <= 0) { 246 // draw children 247 $html .= $this->drawChildren($person->getSpouseFamilies(), $gen); 248 } else { 249 // draw the parent’s lines 250 $html .= $this->drawVerticalLine($order) . $this->drawHorizontalLine(); 251 } 252 253 /* draw the person. Do NOT add person or family id as an id, since a same person could appear more than once in the tree !!! */ 254 // Fixing the width for td to the box initial width when the person is the root person fix a rare bug that happen when a person without child and without known parents is the root person : an unwanted white rectangle appear at the right of the person’s boxes, otherwise. 255 $html .= '<td' . ($isRoot ? ' style="width:1px"' : '') . '><div class="tv_box' . ($isRoot ? ' rootPerson' : '') . '" dir="' . I18N::direction() . '" style="text-align: ' . (I18N::direction() === 'rtl' ? 'right' : 'left') . '; direction: ' . I18N::direction() . '" abbr="' . $person->getXref() . '" onclick="' . $this->name . 'Handler.expandBox(this, event);">'; 256 $html .= $this->drawPersonName($person); 257 $fop = []; // $fop is fathers of partners 258 if (!is_null($partner)) { 259 $dashed = ''; 260 foreach ($person->getSpouseFamilies() as $family) { 261 $spouse = $family->getSpouse($person); 262 if ($spouse) { 263 $spouse_parents = $spouse->getPrimaryChildFamily(); 264 if ($spouse_parents && $spouse_parents->getHusband()) { 265 $fop[] = [ 266 $spouse_parents->getHusband(), 267 $spouse_parents, 268 ]; 269 } elseif ($spouse_parents && $spouse_parents->getWife()) { 270 $fop[] = [ 271 $spouse_parents->getWife(), 272 $spouse_parents, 273 ]; 274 } 275 $html .= $this->drawPersonName($spouse, $dashed); 276 $dashed = 'dashed'; 277 } 278 } 279 } 280 $html .= '</div></td>'; 281 282 $primaryChildFamily = $person->getPrimaryChildFamily(); 283 if (!empty($primaryChildFamily)) { 284 $parent = $primaryChildFamily->getHusband(); 285 if (empty($parent)) { 286 $parent = $primaryChildFamily->getWife(); 287 } 288 } 289 if (!empty($parent) || count($fop) || ($state < 0)) { 290 $html .= $this->drawHorizontalLine(); 291 } 292 /* draw the parents */ 293 if ($state >= 0 && (!empty($parent) || count($fop))) { 294 $unique = (empty($parent) || count($fop) == 0); 295 $html .= '<td align="left"><table class="tv_tree"><tbody>'; 296 if (!empty($parent)) { 297 $u = $unique ? 'c' : 't'; 298 $html .= '<tr><td ' . ($gen == 0 ? ' abbr="p' . $primaryChildFamily->getXref() . '@' . $u . '"' : '') . '>'; 299 $html .= $this->drawPerson($parent, $gen - 1, 1, $primaryChildFamily, $u); 300 $html .= '</td></tr>'; 301 } 302 if (count($fop)) { 303 $n = 0; 304 $nb = count($fop); 305 foreach ($fop as $p) { 306 $n++; 307 $u = $unique ? 'c' : ($n == $nb || empty($p[1]) ? 'b' : 'h'); 308 $html .= '<tr><td ' . ($gen == 0 ? ' abbr="p' . $p[1]->getXref() . '@' . $u . '"' : '') . '>' . $this->drawPerson($p[0], $gen - 1, 1, $p[1], $u) . '</td></tr>'; 309 } 310 } 311 $html .= '</tbody></table></td>'; 312 } 313 if ($state < 0) { 314 $html .= $this->drawVerticalLine($order); 315 } 316 $html .= '</tr></tbody></table>'; 317 if ($isRoot) { 318 $html .= '</td><td id="tv_tree_right"></td></tr><tr><td id="tv_tree_bottomleft"></td><td id="tv_tree_bottom"></td><td id="tv_tree_bottomright"></td></tr></tbody></table>'; 319 } 320 321 return $html; 322 } 323 324 /** 325 * Draw a person name preceded by sex icon, with parents as tooltip 326 * 327 * @param Individual $individual an individual 328 * @param string $dashed if = 'dashed' print dashed top border to separate multiple spuses 329 * 330 * @return string 331 */ 332 private function drawPersonName(Individual $individual, $dashed = '') 333 { 334 $family = $individual->getPrimaryChildFamily(); 335 if ($family) { 336 $family_name = strip_tags($family->getFullName()); 337 } else { 338 $family_name = I18N::translateContext('unknown family', 'unknown'); 339 } 340 switch ($individual->getSex()) { 341 case 'M': 342 $title = ' title="' . /* I18N: e.g. “Son of [father name & mother name]” */ 343 I18N::translate('Son of %s', $family_name) . '"'; 344 break; 345 case 'F': 346 $title = ' title="' . /* I18N: e.g. “Daughter of [father name & mother name]” */ 347 I18N::translate('Daughter of %s', $family_name) . '"'; 348 break; 349 default: 350 $title = ' title="' . /* I18N: e.g. “Child of [father name & mother name]” */ 351 I18N::translate('Child of %s', $family_name) . '"'; 352 break; 353 } 354 $sex = $individual->getSex(); 355 356 return '<div class="tv' . $sex . ' ' . $dashed . '"' . $title . '><a href="' . e($individual->url()) . '"></a>' . $individual->getFullName() . ' <span class="dates">' . $individual->getLifeSpan() . '</span></div>'; 357 } 358 359 /** 360 * Get the thumbnail image for the given person 361 * 362 * @param Individual $individual 363 * 364 * @return string 365 */ 366 private function getThumbnail(Individual $individual) 367 { 368 if ($individual->getTree()->getPreference('SHOW_HIGHLIGHT_IMAGES')) { 369 return $individual->displayImage(40, 50, 'crop', []); 370 } else { 371 return ''; 372 } 373 } 374 375 /** 376 * Draw a vertical line 377 * 378 * @param string $order A parameter that set how to draw this line with auto-redimensionning capabilities 379 * 380 * @return string 381 * WARNING : some tricky hacks are required in CSS to ensure cross-browser compliance 382 * some browsers shows an image, which imply a size limit in height, 383 * and some other browsers (ex: firefox) shows a <div> tag, which have no size limit in height 384 * Therefore, Firefox is a good choice to print very big trees. 385 */ 386 private function drawVerticalLine($order) 387 { 388 return '<td class="tv_vline tv_vline_' . $order . '"><div class="tv_vline tv_vline_' . $order . '"></div></td>'; 389 } 390 391 /** 392 * Draw an horizontal line 393 */ 394 private function drawHorizontalLine() 395 { 396 return '<td class="tv_hline"><div class="tv_hline"></div></td>'; 397 } 398} 399