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201 lines
6.9 KiB
201 lines
6.9 KiB
3 years ago
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<?php
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namespace core\components\bootstrap4\widgets;
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use Exception;
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use yii\base\InvalidConfigException;
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use yii\bootstrap\Widget;
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use yii\helpers\Html;
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use yii\helpers\ArrayHelper;
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class Tab4 extends Widget
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{
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public array $items = [];
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public array $itemOptions = [];
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public array $headerOptions = ['class' => 'nav-item'];
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public array $linkOptions = ['class' => 'nav-link'];
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public bool $encodeLabels = true;
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public string $navType = 'nav-tabs';
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public bool $renderTabContent = true;
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public array $tabContentOptions = [];
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public string $dropdownClass = 'yii\bootstrap\Dropdown';
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public string $template = '{headers}{panes}';
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public function init()
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{
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parent::init();
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Html::addCssClass($this->options, ['widget' => 'nav nav-tabs', $this->navType]);
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Html::addCssClass($this->tabContentOptions, 'tab-content');
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}
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/**
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* Renders the widget.
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* @throws InvalidConfigException
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*/
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public function run(): string
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{
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$this->registerPlugin('tab');
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return $this->renderItems();
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}
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/**
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* Renders tab items as specified on [[items]].
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* @return string the rendering result.
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* @throws InvalidConfigException.
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* @throws Exception
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*/
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protected function renderItems(): string
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{
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$headers = [];
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$panes = [];
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if (!$this->hasActiveTab()) {
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$this->activateFirstVisibleTab();
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}
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foreach ($this->items as $n => $item) {
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if (!ArrayHelper::remove($item, 'visible', true)) {
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continue;
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}
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if (!array_key_exists('label', $item)) {
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throw new InvalidConfigException("The 'label' option is required.");
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}
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$encodeLabel = $item['encode'] ?? $this->encodeLabels;
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$label = $encodeLabel ? Html::encode($item['label']) : $item['label'];
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$headerOptions = array_merge($this->headerOptions, ArrayHelper::getValue($item, 'headerOptions', []));
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$linkOptions = array_merge($this->linkOptions, ArrayHelper::getValue($item, 'linkOptions', []));
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if (isset($item['items'])) {
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$label .= ' <b class="caret"></b>';
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Html::addCssClass($headerOptions, ['widget' => 'dropdown']);
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if ($this->renderDropdown($n, $item['items'], $panes)) {
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Html::addCssClass($headerOptions, 'active');
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}
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Html::addCssClass($linkOptions, ['widget' => 'dropdown-toggle']);
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if (!isset($linkOptions['data-toggle'])) {
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$linkOptions['data-toggle'] = 'dropdown';
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}
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/** @var Widget $dropdownClass */
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$dropdownClass = $this->dropdownClass;
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$header = Html::a($label, "#", $linkOptions) . "\n"
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. $dropdownClass::widget(['items' => $item['items'], 'clientOptions' => false, 'view' => $this->getView()]);
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} else {
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$options = array_merge($this->itemOptions, ArrayHelper::getValue($item, 'options', []));
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$options['id'] = ArrayHelper::getValue($options, 'id', $this->options['id'] . '-tab' . $n);
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Html::addCssClass($options, ['widget' => 'tab-pane']);
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if (ArrayHelper::remove($item, 'active')) {
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Html::addCssClass($options, 'active');
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Html::addCssClass($linkOptions, 'active');
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}
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if (isset($item['url'])) {
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$header = Html::a($label, $item['url'], $linkOptions);
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} else {
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if (!isset($linkOptions['data-toggle'])) {
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$linkOptions['data-toggle'] = 'tab';
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}
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$header = Html::a($label, '#' . $options['id'], $linkOptions);
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}
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if ($this->renderTabContent) {
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$tag = ArrayHelper::remove($options, 'tag', 'div');
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$panes[] = Html::tag($tag, $item['content'] ?? '', $options);
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}
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}
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$headers[] = Html::tag('li', $header, $headerOptions);
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}
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$headersHtml = Html::tag('ul', implode("\n", $headers), $this->options);
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$panesHtml = $this->renderPanes($panes);
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return strtr($this->template, [
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'{headers}' => $headersHtml,
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'{panes}' => $panesHtml,
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]);
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}
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/**
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* @return bool if there's active tab defined
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*/
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protected function hasActiveTab(): bool
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{
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foreach ($this->items as $item) {
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if (isset($item['active']) && $item['active'] === true) {
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return true;
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}
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}
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return false;
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}
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/**
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* @throws Exception
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*/
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protected function activateFirstVisibleTab()
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{
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foreach ($this->items as $i => $item) {
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$active = ArrayHelper::getValue($item, 'active');
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$visible = ArrayHelper::getValue($item, 'visible', true);
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if ($visible && $active !== false) {
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$this->items[$i]['active'] = true;
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return;
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}
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}
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}
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/**
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* @throws InvalidConfigException
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* @throws Exception
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*/
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protected function renderDropdown(string $itemNumber, array &$items, array &$panes): bool
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{
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$itemActive = false;
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foreach ($items as $n => &$item) {
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if (is_string($item)) {
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continue;
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}
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if (isset($item['visible']) && !$item['visible']) {
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continue;
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}
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if (!(array_key_exists('content', $item) xor array_key_exists('url', $item))) {
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throw new InvalidConfigException("Either the 'content' or the 'url' option is required, but only one can be set.");
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}
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if (array_key_exists('url', $item)) {
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continue;
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}
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$content = ArrayHelper::remove($item, 'content');
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$options = ArrayHelper::remove($item, 'contentOptions', []);
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Html::addCssClass($options, ['widget' => 'tab-pane']);
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if (ArrayHelper::remove($item, 'active')) {
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Html::addCssClass($options, 'active');
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Html::addCssClass($item['options'], 'active');
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$itemActive = true;
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}
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$options['id'] = ArrayHelper::getValue($options, 'id', $this->options['id'] . '-dd' . $itemNumber . '-tab' . $n);
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$item['url'] = '#' . $options['id'];
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if (!isset($item['linkOptions']['data-toggle'])) {
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$item['linkOptions']['data-toggle'] = 'tab';
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}
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$panes[] = Html::tag('div', $content, $options);
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unset($item);
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}
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return $itemActive;
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}
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public function renderPanes(array $panes): string
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{
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return $this->renderTabContent ? "\n" . Html::tag('div', implode("\n", $panes), $this->tabContentOptions) : '';
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}
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}
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