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<?php |
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/* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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*/ |
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namespace TwitterWidgets\Timeline; |
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use InvalidArgumentException; |
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use TwitterWidgets\Options\WidgetOptionsInterface; |
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use Zend\Filter\FilterChain; |
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use Zend\Filter\StringToLower; |
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use Zend\Filter\Word\SeparatorToSeparator; |
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class TimelineBuilder implements TimelineBuilderInterface |
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{ |
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protected $options; |
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protected $addJs; |
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protected $filteredAttr; |
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/** |
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* @param WidgetOptionsInterface $options |
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*/ |
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public function __construct(WidgetOptionsInterface $options) |
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{ |
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$this->options = $options; |
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} |
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/** |
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* @return string |
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*/ |
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protected function buildWidget() |
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{ |
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$attributesList = $this->filteredAttr; |
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$widget = '<a'; |
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foreach ($attributesList as $attrKey => $attrValue) { |
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$widget .= ' ' . $attrKey . '="' . $attrValue . '"'; |
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} |
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$widget .= '>'; |
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$widget .= $this->options['href_text']; |
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$widget .= '</a>'; |
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if ($this->addJs) { |
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return $widget . "\n<script>" . $this->getSingleWidgetJs() . "</script>"; |
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} |
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return $widget; |
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} |
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/** |
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* @param bool $addJs |
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* @return string |
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* @throws InvalidArgumentException |
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*/ |
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public function renderWidget($addJs = true) |
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{ |
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if (!is_bool($addJs)) { |
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throw new InvalidArgumentException('TimelineBuilder#renderWidget expects a boolean as parameter'); |
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} |
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$this->addJs = $addJs; |
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$this->filteredAttr = $this->filterAttr(); |
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return $this->buildWidget(); |
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} |
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/** |
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* @return string |
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* |
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* Add the necessary code for a single widget |
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*/ |
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protected function getSingleWidgetJs() |
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{ |
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return '!function (d, s, id) { |
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var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? \'http\' : \'https\'; |
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if (!d.getElementById(id)) { |
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js = d.createElement(s); |
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js.id = id; |
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js.src = p + "://platform.twitter.com/widgets.js"; |
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fjs.parentNode.insertBefore(js, fjs); |
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} |
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}(document, "script", "twitter-wjs");'; |
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} |
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/** |
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* @return array |
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*/ |
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protected function filterAttr() |
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{ |
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if (!is_array($this->options)) { |
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$this->options = $this->options->toArray(); |
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} |
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$filterChain = new FilterChain(); |
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$filterChain |
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->attach(new SeparatorToSeparator('_', '-')) |
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->attach(new StringToLower()); |
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$filteredAttr = []; |
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foreach ($this->options as $attribute => $value) { |
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if (null !== $value) { |
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$filteredAttr[$filterChain->filter($attribute)] = $value; |
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} |
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} |
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unset($filteredAttr['href-text']); |
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return $filteredAttr; |
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} |
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} |
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mpalourdio /
TwitterWidgets
