xref: /webtrees/app/Module/InteractiveTree/TreeView.php (revision 3d7a8a4ca809135634f38216b734b15acff479f7)
1<?php
2namespace Fisharebest\Webtrees\Module\InteractiveTree;
3
4/**
5 * webtrees: online genealogy
6 * Copyright (C) 2015 webtrees development team
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18use Fisharebest\Webtrees\Family;
19use Fisharebest\Webtrees\Filter;
20use Fisharebest\Webtrees\I18N;
21use Fisharebest\Webtrees\Individual;
22
23/**
24 * Class TreeView
25 */
26class TreeView {
27	private $name;
28	private $all_partners;
29
30	/**
31	 * Treeview Constructor
32	 *
33	 * @param string $name the name of the TreeView object’s instance
34	 */
35	public function __construct($name = 'tree') {
36		$this->name         = $name;
37		$this->all_partners = Filter::cookie('allPartners', 'true|false', 'true');
38	}
39
40	/**
41	 * Draw the viewport which creates the draggable/zoomable framework
42	 * Size is set by the container, as the viewport can scale itself automatically
43	 *
44	 * @param Individual $root_person  the id of the root person
45	 * @param int        $generations number of generations to draw
46	 *
47	 * @return string[]  HTML and Javascript
48	 */
49	public function drawViewport(Individual $root_person, $generations) {
50		$html = '
51			<a name="tv_content"></a>
52			<div id="' . $this->name . '_out" class="tv_out">
53				<div id="tv_tools" class="noprint">
54					<ul>
55						<li id="tvbCompact" class="tv_button">
56							<img src="' . WT_STATIC_URL . WT_MODULES_DIR . 'tree/images/compact.png" alt="' . I18N::translate('Use compact layout') . '" title="' . I18N::translate('Use compact layout') . '">
57						</li>
58						<li id="tvbAllPartners" class="tv_button' . ($this->all_partners === 'true' ? ' tvPressed' : '') . '">
59							<a class="icon-sfamily" href="#" title="' . I18N::translate('Show all spouses and ancestors') . '"></a>
60						</li>
61						<li class="tv_button" id="' . $this->name . '_loading">
62							<i class="icon-loading-small"></i>
63						</li>
64					</ul>
65				</div>
66				<h2 id="tree-title">' . I18N::translate('Interactive tree of %s', $root_person->getFullName()) . '</h2>
67				<div id="' . $this->name . '_in" class="tv_in" dir="ltr">
68					' . $this->drawPerson($root_person, $generations, 0, null, null, true) . '
69				</div>
70			</div>
71		';
72
73		return array($html, 'var ' . $this->name . 'Handler = new TreeViewHandler("' . $this->name . '");');
74	}
75
76	/**
77	 * Return a JSON structure to a JSON request
78	 *
79	 * @param string $list list of JSON requests
80	 *
81	 * @return string
82	 */
83	public function getPersons($list) {
84		global $WT_TREE;
85
86		$list = explode(';', $list);
87		$r    = array();
88		foreach ($list as $jsonRequest) {
89			$firstLetter = substr($jsonRequest, 0, 1);
90			$jsonRequest = substr($jsonRequest, 1);
91			switch ($firstLetter) {
92			case 'c':
93				$fidlist = explode(',', $jsonRequest);
94				$flist   = array();
95				foreach ($fidlist as $fid) {
96					$flist[] = Family::getInstance($fid, $WT_TREE);
97				}
98				$r[] = $this->drawChildren($flist, 1, true);
99				break;
100			case 'p':
101				$params = explode('@', $jsonRequest);
102				$fid    = $params[0];
103				$order  = $params[1];
104				$f      = Family::getInstance($fid, $WT_TREE);
105				if ($f->getHusband()) {
106					$r[] = $this->drawPerson($f->getHusband(), 0, 1, $f, $order);
107				} elseif ($f->getWife()) {
108					$r[] = $this->drawPerson($f->getWife(), 0, 1, $f, $order);
109				}
110				break;
111			}
112		}
113
114		return json_encode($r);
115	}
116
117	/**
118	 * Get the details for a person and their life partner(s)
119	 *
120	 * @param Individual $individual the individual to return the details for
121	 *
122	 * @return string
123	 */
124	public function getDetails(Individual $individual) {
125		$html = $this->getPersonDetails($individual, null);
126		foreach ($individual->getSpouseFamilies() as $family) {
127			$spouse = $family->getSpouse($individual);
128			if ($spouse) {
129				$html .= $this->getPersonDetails($spouse, $family);
130			}
131		}
132
133		return $html;
134	}
135
136	/**
137	 * Return the details for a person
138	 *
139	 * @param Individual $individual
140	 * @param Family     $family
141	 *
142	 * @return string
143	 */
144	private function getPersonDetails(Individual $individual, Family $family = null) {
145		$hmtl = $this->getThumbnail($individual);
146		$hmtl .= '<a class="tv_link" href="' . $individual->getHtmlUrl() . '">' . $individual->getFullName() . '</a> <a href="module.php?mod=tree&amp;mod_action=treeview&amp;rootid=' . $individual->getXref() . '" title="' . I18N::translate('Interactive tree of %s', strip_tags($individual->getFullName())) . '" class="icon-button_indi tv_link tv_treelink"></a>';
147		foreach ($individual->getFacts(WT_EVENTS_BIRT, true) as $fact) {
148			$hmtl .= $fact->summary();
149		}
150		if ($family) {
151			foreach ($family->getFacts(WT_EVENTS_MARR, true) as $fact) {
152				$hmtl .= $fact->summary();
153			}
154		}
155		foreach ($individual->getFacts(WT_EVENTS_DEAT, true) as $fact) {
156			$hmtl .= $fact->summary();
157		}
158
159		return '<div class="tv' . $individual->getSex() . ' tv_person_expanded">' . $hmtl . '</div>';
160	}
161
162	/**
163	 * Draw the children for some families
164	 *
165	 * @param Family[] $familyList array of families to draw the children for
166	 * @param int      $gen        number of generations to draw
167	 * @param bool     $ajax       setted to true for an ajax call
168	 *
169	 * @return string
170	 */
171	private function drawChildren(array $familyList, $gen = 1, $ajax = false) {
172		$html          = '';
173		$children2draw = array();
174		$f2load        = array();
175
176		foreach ($familyList as $f) {
177			if (empty($f)) {
178				continue;
179			}
180			$children = $f->getChildren();
181			if ($children) {
182				$f2load[] = $f->getXref();
183				foreach ($children as $child) {
184					// Eliminate duplicates - e.g. when adopted by a step-parent
185					$children2draw[$child->getXref()] = $child;
186				}
187			}
188		}
189		$tc = count($children2draw);
190		if ($tc) {
191			$f2load = implode(',', $f2load);
192			$nbc    = 0;
193			foreach ($children2draw as $child) {
194				$nbc++;
195				if ($tc == 1) {
196					$co = 'c'; // unique
197				} elseif ($nbc == 1) {
198					$co = 't'; // first
199				} elseif ($nbc == $tc) {
200					$co = 'b'; //last
201				} else {
202					$co = 'h';
203				}
204				$html .= $this->drawPerson($child, $gen - 1, -1, null, $co);
205			}
206			if (!$ajax) {
207				$html = '<td align="right"' . ($gen == 0 ? ' abbr="c' . $f2load . '"' : '') . '>' . $html . '</td>' . $this->drawHorizontalLine();
208			}
209		}
210
211		return $html;
212	}
213
214	/**
215	 * Draw a person in the tree
216	 *
217	 * @param Individual $person The Person object to draw the box for
218	 * @param int        $gen    The number of generations up or down to print
219	 * @param int        $state  Whether we are going up or down the tree, -1 for descendents +1 for ancestors
220	 * @param Family     $pfamily
221	 * @param string     $order  first (1), last(2), unique(0), or empty. Required for drawing lines between boxes
222	 * @param bool       $isRoot
223	 *
224	 * @return string
225	 *
226	 * Notes : "spouse" means explicitely married partners. Thus, the word "partner"
227	 * (for "life partner") here fits much better than "spouse" or "mate"
228	 * to translate properly the modern french meaning of "conjoint"
229	 */
230	private function drawPerson(Individual $person, $gen, $state, Family $pfamily = null, $order = null, $isRoot = false) {
231		if ($gen < 0) {
232			return '';
233		}
234		if (!empty($pfamily)) {
235			$partner = $pfamily->getSpouse($person);
236		} else {
237			$partner = $person->getCurrentSpouse();
238		}
239		if ($isRoot) {
240			$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>';
241		} else {
242			$html = '';
243		}
244		/* height 1% : this hack enable the div auto-dimensioning in td for FF & Chrome */
245		$html .= '<table class="tv_tree"' . ($isRoot ? ' id="tv_tree"' : '') . ' style="height: 1%"><tbody><tr>';
246
247		if ($state <= 0) {
248			// draw children
249			$html .= $this->drawChildren($person->getSpouseFamilies(), $gen);
250		} else {
251			// draw the parent’s lines
252			$html .= $this->drawVerticalLine($order) . $this->drawHorizontalLine();
253		}
254
255		/* 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 !!! */
256		// 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.
257		$html .= '<td' . ($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);">';
258		$html .= $this->drawPersonName($person);
259		$fop = array(); // $fop is fathers of partners
260		if (!is_null($partner)) {
261			$dashed = '';
262			foreach ($person->getSpouseFamilies() as $family) {
263				$spouse = $family->getSpouse($person);
264				if ($spouse) {
265					if ($spouse === $partner || $this->all_partners === 'true') {
266						$spouse_parents = $spouse->getPrimaryChildFamily();
267						if ($spouse_parents && $spouse_parents->getHusband()) {
268							$fop[] = array($spouse_parents->getHusband(), $spouse_parents);
269						} elseif ($spouse_parents && $spouse_parents->getWife()) {
270							$fop[] = array($spouse_parents->getWife(), $spouse_parents);
271						}
272						$html .= $this->drawPersonName($spouse, $dashed);
273						if ($this->all_partners !== 'true') {
274							break; // we can stop here the foreach loop
275						}
276						$dashed = 'dashed';
277					}
278				}
279			}
280		}
281		$html .= '</div></td>';
282
283		$primaryChildFamily = $person->getPrimaryChildFamily();
284		if (!empty($primaryChildFamily)) {
285			$parent = $primaryChildFamily->getHusband();
286			if (empty($parent)) {
287				$parent = $primaryChildFamily->getWife();
288			}
289		}
290		if (!empty($parent) || count($fop) || ($state < 0)) {
291			$html .= $this->drawHorizontalLine();
292		}
293		/* draw the parents */
294		if ($state >= 0 && (!empty($parent) || count($fop))) {
295			$unique = (empty($parent) || count($fop) == 0);
296			$html .= '<td align="left"><table class="tv_tree"><tbody>';
297			if (!empty($parent)) {
298				$u = $unique ? 'c' : 't';
299				$html .= '<tr><td ' . ($gen == 0 ? ' abbr="p' . $primaryChildFamily->getXref() . '@' . $u . '"' : '') . '>';
300				$html .= $this->drawPerson($parent, $gen - 1, 1, $primaryChildFamily, $u);
301				$html .= '</td></tr>';
302			}
303			if (count($fop)) {
304				$n  = 0;
305				$nb = count($fop);
306				foreach ($fop as $p) {
307					$n++;
308					$u = $unique ? 'c' : ($n == $nb || empty($p[1]) ? 'b' : 'h');
309					$html .= '<tr><td ' . ($gen == 0 ? ' abbr="p' . $p[1]->getXref() . '@' . $u . '"' : '') . '>' . $this->drawPerson($p[0], $gen - 1, 1, $p[1], $u) . '</td></tr>';
310				}
311			}
312			$html .= '</tbody></table></td>';
313		}
314		if ($state < 0) {
315			$html .= $this->drawVerticalLine($order);
316		}
317		$html .= '</tr></tbody></table>';
318		if ($isRoot) {
319			$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>';
320		}
321
322		return $html;
323	}
324
325	/**
326	 * Draw a person name preceded by sex icon, with parents as tooltip
327	 *
328	 * @param Individual $individual an individual
329	 * @param string        $dashed     if = 'dashed' print dashed top border to separate multiple spuses
330	 *
331	 * @return string
332	 */
333	private function drawPersonName(Individual $individual, $dashed = '') {
334		if ($this->all_partners === 'true') {
335			$family = $individual->getPrimaryChildFamily();
336			if ($family) {
337				switch ($individual->getSex()) {
338				case 'M':
339					$title = ' title="' . strip_tags(
340						/* I18N: e.g. “Son of [father name & mother name]” */
341						I18N::translate('Son of %s', $family->getFullName())
342					) . '"';
343					break;
344				case 'F':
345					$title = ' title="' . strip_tags(
346						/* I18N: e.g. “Daughter of [father name & mother name]” */
347						I18N::translate('Daughter of %s', $family->getFullName())
348					) . '"';
349					break;
350				default:
351					$title = ' title="' . strip_tags(
352						/* I18N: e.g. “Child of [father name & mother name]” */
353						I18N::translate('Child of %s', $family->getFullName())
354					) . '"';
355					break;
356				}
357			} else {
358				$title = '';
359			}
360		} else {
361			$title = '';
362		}
363		$sex = $individual->getSex();
364
365		return '<div class="tv' . $sex . ' ' . $dashed . '"' . $title . '><a href="' . $individual->getHtmlUrl() . '"></a>' . $individual->getFullName() . ' <span class="dates">' . $individual->getLifeSpan() . '</span></div>';
366	}
367
368	/**
369	 * Get the thumbnail image for the given person
370	 *
371	 * @param Individual $individual
372	 *
373	 * @return string
374	 */
375	private function getThumbnail(Individual $individual) {
376		if ($individual->getTree()->getPreference('SHOW_HIGHLIGHT_IMAGES')) {
377			return $individual->displayImage();
378		} else {
379			return '';
380		}
381	}
382
383	/**
384	 * Draw a vertical line
385	 *
386	 * @param string $order A parameter that set how to draw this line with auto-redimensionning capabilities
387	 *
388	 * @return string
389	 * WARNING : some tricky hacks are required in CSS to ensure cross-browser compliance
390	 * some browsers shows an image, which imply a size limit in height,
391	 * and some other browsers (ex: firefox) shows a <div> tag, which have no size limit in height
392	 * Therefore, Firefox is a good choice to print very big trees.
393	 */
394	private function drawVerticalLine($order) {
395		return '<td class="tv_vline tv_vline_' . $order . '"><div class="tv_vline tv_vline_' . $order . '"></div></td>';
396	}
397
398	/**
399	 * Draw an horizontal line
400	 */
401	private function drawHorizontalLine() {
402		return '<td class="tv_hline"><div class="tv_hline"></div></td>';
403	}
404}
405