File zippy\core\html\datalist\datatable.php

1:	<?php
2:
3:	namespace Zippy\Html\DataList;
4:
5:	use Zippy\Html\HtmlComponent;
6:	use Zippy\Interfaces\Requestable;
7:	use Zippy\WebApplication;
8:
9:	/**
10:	* Класс вывода табличных данных. Использует собственное формирование строк и столбцов
11:	* по массиву строк данных.
12:	* Предназначен для тэга TABLE. Может автоматически формировать **пагинатор и сортировку.
13:	*/
14:	class DataTable extends AbstractList implements Requestable
15:	{
16:	private $columns = array();
17:	private $datalist = array();
18:	private $cellevent = null;
19:	private $cellclickevent = null;
20:	private $selectedrow = 0;
21:	private $selectedclass = "";
22:	private $maxbuttons = 10;
23:	private $firstButton = 1;
24:	private $header = true;
25:	private $paginator = false;
26:	private $useajax = false;
27:
28:	public function __construct($id, $DataSource, $header = true, $paginator = false, $useajax = false) {
29:	AbstractList::__construct($id, $DataSource);
30:	$this->header = $header;
31:	$this->paginator = $paginator;
32:	$this->useajax = $useajax;
33:	}
34:
35:	/**
36:	* @see HtmlComponent
37:	*/
38:	final public function RenderImpl() {
39:	$tag = $this->getTag();
40:
41:	$tag->appendWith($this->renderHeader());
42:	$tag->appendWith($this->renderData());
43:	$tag->appendWith($this->renderFooter());
44:	}
45:
46:	/**
47:	* Добавляет столбец к таблице.
48:	*/
49:	final public function AddColumn(Column $column) {
50:	$this->columns[$column->fieldname] = $column;
51:	}
52:
53:	/**
54:	* Обновляет данные с провайдера
55:	*/
56:	public function Reload($resetpage = true) {
57:	parent::Reload($resetpage);
58:
59:	$this->datalist = $this->getItems();
60:	}
61:
62:	/**
63:	* @see Requestable
64:	*/
65:	final public function RequestHandle() {
66:	$p = WebApplication::$app->getRequest()->request_params[$this->id];
67:	if ($p[0] == 'sort') {
68:	$this->sortf = $p[1];
69:	$this->sortd = $p[2];
70:	$this->currentpage = 1;
71:	$this->Reload();
72:	}
73:	if ($p[0] == 'pag') {
74:	$this->currentpage = $p[1];
75:	$this->Reload(false);
76:	}
77:	if ($p[0] == 'cellclick' && $this->cellclickevent instanceof \Zippy\Event) {
78:	$items = array();
79:	foreach($this->datalist as $it) {
80:	$items[$it->getID()]=$it;
81:	}
82:
83:	// $items = array_values($this->datalist);
84:	$this->cellclickevent->onEvent($this, array('dataitem' => $items[$p[2] ], 'field' => $p[1], 'rownumber' => $p[2]));
85:	$this->setSelectedrow($p[2]);
86:	}
87:
88:	if ($this->useajax) {
89:	WebApplication::$app->getResponse()->addAjaxResponse($this->AjaxAnswer());
90:	}
91:	}
92:
93:	/**
94:	* Устанавливает обработчик на событие прорисовки ячейки.
95:	*/
96:	final public function setCellDrawEvent(\Zippy\Interfaces\EventReceiver $receiver, $handler) {
97:	$this->cellevent = new \Zippy\Event($receiver, $handler);
98:	}
99:
100:	/**
101:	* Устанавливает обработчик на click ячейки.
102:	*/
103:	final public function setCellClickEvent(\Zippy\Interfaces\EventReceiver $receiver, $handler) {
104:	$this->cellclickevent = new \Zippy\Event($receiver, $handler);
105:	}
106:
107:	/**
108:	* Формирование заголовка таблицы
109:	*/
110:	private function renderHeader() {
111:	if (!$this->header) {
112:	return "";
113:	}
114:
115:	$row = "<tr >";
116:
117:	foreach ($this->columns as $column) {
118:
119:	if (!$column->visible) {
120:	continue;
121:	}
122:
123:	$css = strlen($column->headerclass) > 0 ? "class=\"{$column->headerclass}\"" : "";
124:
125:
126:	if ($column->sortable) {
127:	$sort = "";
128:	if ($column->fieldname === $this->sortf) {
129:	if ($this->sortd === 'asc') {
130:	$sort = '↓';
131:	} else {
132:	$sort = '↑';
133:	}
134:	}
135:	$url = $this->getURLNode() . ':sort:' . $column->fieldname . ':' . ($this->sortd === 'asc' ? 'desc' : 'asc');
136:	$onclick = "window.location='{$url}'";
137:	if ($this->useajax) {
138:	$onclick = "getUpdate('{$url}&ajax=true');event.returnValue=false; return false;";
139:	}
140:	$row .= ("<th {$css} style=\"white-space: nowrap;cursor:pointer;\" onclick=\"{$onclick}\" ><span>{$column->title}</span> {$sort}</th>");
141:	} else {
142:
143:	$row .= ("<th {$css} ><span>{$column->title}</span></th>");
144:	}
145:	}
146:	$row .= "</tr>";
147:	return $row;
148:	}
149:
150:	/**
151:	* Прорисовка строк с данными.
152:	*/
153:	private function renderData() {
154:
155:	if (count($this->datalist) == 0) {
156:	return ""; //"<tr ><td align=\"center\" colspan=\"" . count($this->columns) . "\" >" . MSG_DATATABLE_NODATA . "</td></tr>";
157:	}
158:	//$rownumber = 0;
159:	$rows = "";
160:	foreach ($this->datalist as $item) { //цикл по строкам
161:	$rownumber = $item->getID();
162:
163:	if ($this->selectedrow == $rownumber && $this->selectedclass != "") {
164:	$row = "<tr class=\"{$this->selectedclass}\" >";
165:	} else {
166:	$row = "<tr >";
167:	}
168:
169:
170:	foreach ($this->columns as $fieldname => $column) { //цикл по полям
171:	if (!$column->visible) {
172:	continue;
173:	}
174:
175:	$data = strlen($item->{$fieldname}) > 0 ? $item->{$fieldname} : $column->defaultdata;
176:	$css = strlen($column->rowclass) > 0 ? "class=\"{$column->rowclass}\"" : "";
177:	$onclick = "";
178:	$style = "";
179:
180:
181:	$url = $this->getURLNode() . ':cellclick:' . $fieldname . ':' . $rownumber;
182:	if ($column->clickable) {
183:
184:	$onclick = "window.location='{$url}'";
185:	}
186:	if ($column->clickable && $this->useajax) {
187:	$onclick = "getUpdate('{$url}&ajax=true');event.returnValue=false; return false;";
188:	}
189:
190:	if (strlen($onclick) > 0) {
191:	$onclick = " onclick=\"" . $onclick . "\" ";
192:	$style = "style=\"cursor:pointer;\"";
193:	}
194:
195:
196:	if ($this->cellevent instanceof \Zippy\Event) {
197:	$userdata = $this->cellevent->onEvent($this, array('dataitem' => $item, 'field' => $fieldname, 'rownumber' => $rownumber));
198:	if ($userdata !== null && $userdata !== false) {
199:	$data = $userdata;
200:	}
201:	}
202:
203:	$row .= ("<td {$css} {$onclick} {$style}>{$data}</td>");
204:	}
205:	$row .= "</tr>";
206:	$rows .= $row;
207:	}
208:	return $rows;
209:	}
210:
211:	/**
212:	* Прорисовывает строку с пагинатором.
213:	*/
214:	private function renderFooter() {
215:	if (!$this->paginator) {
216:	return "";
217:	}
218:	if (count($this->columns) == 0) {
219:	return "";
220:	}
221:	$currentpage = $this->currentpage;
222:
223:	$content = '<ul class="pagination">';
224:	$pages = $this->getPageCount();
225:	if ($pages <= 1) {
226:	return '';
227:	}
228:
229:	if ($currentpage - $this->firstButton > $this->maxbuttons) {
230:
231:	$this->firstButton = $currentpage - $this->maxbuttons;
232:	}
233:	if ($currentpage < $this->firstButton) {
234:	$this->firstButton = $currentpage - 1;
235:	}
236:
237:	if ($this->firstButton > 1) {
238:	$content .= "<li class=\"page-item\"><a class=\"page-link\" href='void(0);' onclick=\"" . $this->getPaginatorLink(1) . "\"><span aria-hidden=\"true\">«</span></a></li>";
239:	$content .= "<li class=\"page-item\"><a class=\"page-link\" href='void(0);' onclick=\"" . $this->getPaginatorLink($currentpage - 1) . "\"><span aria-hidden=\"true\">&lsaquo;</span></a></li>";
240:	$content .= "<li class=\"page-item\"><a class=\"page-link\" href=\"javascript:void(0);\" >…</a></li>";
241:	}
242:
243:
244:	for ($i = $this->firstButton; $i <= $this->firstButton + $this->maxbuttons; $i++) {
245:	if ($i > $pages) {
246:	break;
247:	}
248:	if ($currentpage == $i) {
249:	$content .= "<li class=\"page-item active\"><a class=\"page-link\" href=\"javascript:void(0);\" > {$i} </a></li>";
250:	} else {
251:	$content .= "<li class=\"page-item\"><a class=\"page-link\" href=\"javascript:void(0);\" onclick=\"" . $this->getPaginatorLink($i) . "\"> {$i} </a></li>";
252:	}
253:	}
254:
255:	if ($pages > $this->firstButton + $this->maxbuttons) {
256:	$content .= "<li class=\"page-item\" ><a class=\"page-link\" href=\"javascript:void(0);\" >…</a></li>";
257:	$content .= "<li class=\"page-item\"><a class=\"page-link\" href='void(0);' onclick=\"" . $this->getPaginatorLink($currentpage + 1) . "\"aria-label=\"Next\"> <span aria-hidden=\"true\">&rsaquo;</span></a></li>";
258:	$content .= "<li class=\"page-item\"><a class=\"page-link\" href='void(0);' onclick=\"" . $this->getPaginatorLink($pages) . "\"aria-label=\"Next\"> <span aria-hidden=\"true\">»</span></a></li>";
259:	}
260:
261:	$countall = $this->getAllRowsCount();
262:	$show = $currentpage * $this->pagesize;
263:	if ($pages == $currentpage) {
264:	$show = $countall;
265:	}
266:	if ($countall <= $this->pagesize) {
267:	$show = $countall;
268:	}
269:
270:	$content = "<table ><tr><td valign='middle'>{$show} строк с {$countall}     </td><td align='right'> {$content}</td></tr></table>";
271:	return "<tr ><td class=\"footercell\" colspan=\"" . count($this->columns) . "\" >{$content}</ul></td></tr>";
272:	}
273:
274:	/**
275:	* Возвращает ссылку для пагинатора.
276:	*/
277:	private function getPaginatorLink($pageno) {
278:	$url = $this->getURLNode() . ':pag:' . $pageno;
279:	if ($this->useajax) {
280:	$onclick = "getUpdate('{$url}&ajax=true');event.returnValue=false; return false;";
281:	} else {
282:	$onclick = "window.location='{$url}';event.returnValue=false; return false;";
283:	}
284:	return $onclick;
285:	}
286:
287:	/**
288:	* Устанавливает выделеную строку.
289:	* Строка выделяется добавлением CSS класса заданного
290:	* методом setSelectedClass
291:	*
292:	* @param mixed $id ID выделяемой строки
293:	*/
294:	public function setSelectedrow($number) {
295:	$this->selectedrow = $number;
296:	}
297:
298:	/**
299:	* Возвращает номер выделеной строки
300:	*
301:	*/
302:	public function getSelectedRow() {
303:	return $this->selectedRow;
304:	}
305:
306:	/**
307:	* Устанавливает CSS класс для выбранной строки
308:	*
309:	* @param mixed $selectedclass
310:	*/
311:	public function setSelectedClass($selectedclass) {
312:	$this->selectedclass = $selectedclass;
313:	}
314:
315:	/**
316:	* Удаляет все столбцы
317:	*
318:	*/
319:	public function removeAllColumns() {
320:	$this->columns = array();
321:	}
322:
323:	}
324:
325:	// класс параметров столбца
326:	class Column
327:	{
328:	public function __construct($fieldname, $title, $sortable = false, $visible = true, $clickable = false, $headerclass = "", $rowclass = "", $defaultdata = "") {
329:	$this->fieldname = $fieldname;
330:	$this->visible = $visible;
331:	$this->sortable = $sortable;
332:	$this->clickable = $clickable;
333:	$this->title = $title;
334:	$this->headerclass = $headerclass;
335:	$this->defaultdata = $defaultdata;
336:	$this->rowclass = $rowclass;
337:	}
338:
339:	public $visible = true;
340:	public $sortable = false;
341:	public $clickable = false;
342:	public $fieldname = ""; // имя свойства выводимого итема
343:	public $title = ""; //заголовок
344:	public $headerclass = ""; // css класс заголовка
345:	public $rowclass = ""; // css класс ячейки
346:	public $defaultdata = " "; //значение по умолчанию
347:
348:	}
349:
350:	/**
351:	* @todo вычисляемое поле ???
352:	* @todo ссылку
353:	* @todo изображение
354:	*
355:	*/
356:

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