--- /dev/null
+<?php
+
+namespace Zumba\Mink\Driver;
+
+use Behat\Mink\Exception\DriverException;
+
+/**
+ * Trait FormManipulationTrait
+ * @package Zumba\Mink\Driver
+ */
+trait FormManipulationTrait {
+
+
+ /**
+ * Returns the value of a given xpath element
+ * @param string $xpath
+ * @return string
+ * @throws DriverException
+ */
+ public function getValue($xpath) {
+ $this->findElement($xpath, 1);
+ $javascript = $this->javascriptTemplateRender("get_value.js.twig", array("xpath" => $xpath));
+ return $this->browser->evaluate($javascript);
+ }
+
+ /**
+ * @param string $xpath
+ * @param string $value
+ * @throws DriverException
+ */
+ public function setValue($xpath, $value) {
+ $this->findElement($xpath, 1);
+ //This stuff is BECAUSE the way the driver works for setting values when being checkboxes, radios, etc.
+ if (is_bool($value)) {
+ $value = $this->boolToString($value);
+ }
+
+ $javascript = $this->javascriptTemplateRender("set_value.js.twig", array("xpath" => $xpath, "value" => json_encode($value)));
+ $this->browser->evaluate($javascript);
+ }
+
+
+ /**
+ * Submits a form given an xpath selector
+ * @param string $xpath
+ * @throws DriverException
+ */
+ public function submitForm($xpath) {
+ $element = $this->findElement($xpath, 1);
+ $tagName = $this->browser->tagName($element["page_id"], $element["ids"][0]);
+ if (strcmp(strtolower($tagName), "form") !== 0) {
+ throw new DriverException("Can not submit something that is not a form");
+ }
+ $this->browser->trigger($element["page_id"], $element["ids"][0], "submit");
+ }
+
+ /**
+ * Helper method needed for twig and javascript stuff
+ * @param $boolValue
+ * @return string
+ */
+ protected function boolToString($boolValue) {
+ if ($boolValue === true) {
+ return "1";
+ }
+ return "0";
+ }
+
+ /**
+ * Selects an option
+ * @param string $xpath
+ * @param string $value
+ * @param bool $multiple
+ * @return bool
+ * @throws DriverException
+ */
+ public function selectOption($xpath, $value, $multiple = false) {
+ $element = $this->findElement($xpath, 1);
+ $tagName = strtolower($this->browser->tagName($element["page_id"], $element["ids"][0]));
+ $attributes = $this->browser->attributes($element["page_id"], $element["ids"][0]);
+
+ if (!in_array($tagName, array("input", "select"))) {
+ throw new DriverException(sprintf('Impossible to select an option on the element with XPath "%s" as it is not a select or radio input', $xpath));
+ }
+
+ if ($tagName === "input" && $attributes["type"] != "radio") {
+ throw new DriverException(sprintf('Impossible to select an option on the element with XPath "%s" as it is not a select or radio input', $xpath));
+ }
+
+ return $this->browser->selectOption($element["page_id"], $element["ids"][0], $value, $multiple);
+ }
+
+ /**
+ * Check control over an input element of radio or checkbox type
+ * @param $xpath
+ * @return bool
+ * @throws DriverException
+ */
+ protected function inputCheckableControl($xpath) {
+ $element = $this->findElement($xpath, 1);
+ $tagName = strtolower($this->browser->tagName($element["page_id"], $element["ids"][0]));
+ $attributes = $this->browser->attributes($element["page_id"], $element["ids"][0]);
+ if ($tagName != "input") {
+ throw new DriverException("Can not check when the element is not of the input type");
+ }
+ if (!in_array($attributes["type"], array("checkbox", "radio"))) {
+ throw new DriverException("Can not check when the element is not checkbox or radio");
+ }
+ return true;
+ }
+
+ /**
+ * We click on the checkbox or radio when possible and needed
+ * @param string $xpath
+ * @throws DriverException
+ */
+ public function check($xpath) {
+ $this->inputCheckableControl($xpath);
+ $javascript = $this->javascriptTemplateRender("check_element.js.twig", array("xpath" => $xpath, "check" => "true"));
+ $this->browser->evaluate($javascript);
+ }
+
+ /**
+ * We click on the checkbox or radio when possible and needed
+ * @param string $xpath
+ * @throws DriverException
+ */
+ public function uncheck($xpath) {
+ $this->inputCheckableControl($xpath);
+ $javascript = $this->javascriptTemplateRender("check_element.js.twig", array("xpath" => $xpath, "check" => "false"));
+ $this->browser->evaluate($javascript);
+ }
+
+ /**
+ * Checks if the radio or checkbox is checked
+ * @param string $xpath
+ * @return bool
+ * @throws DriverException
+ */
+ public function isChecked($xpath) {
+ $this->findElement($xpath, 1);
+ $javascript = $this->javascriptTemplateRender("is_checked.js.twig", array("xpath" => $xpath));
+ $checked = $this->browser->evaluate($javascript);
+
+ if ($checked === null) {
+ throw new DriverException("Can not check when the element is not checkbox or radio");
+ }
+
+ return $checked;
+ }
+
+ /**
+ * Checks if the option is selected or not
+ * @param string $xpath
+ * @return bool
+ * @throws DriverException
+ */
+ public function isSelected($xpath) {
+ $elements = $this->findElement($xpath, 1);
+ $javascript = $this->javascriptTemplateRender("is_selected.js.twig", array("xpath" => $xpath));
+ $tagName = $this->browser->tagName($elements["page_id"], $elements["ids"][0]);
+ if (strcmp(strtolower($tagName), "option") !== 0) {
+ throw new DriverException("Can not assert on element that is not an option");
+ }
+
+ return $this->browser->evaluate($javascript);
+ }
+}