Files
pjax/lib/proto/attach-form.js
2017-12-21 13:06:49 -05:00

96 lines
2.6 KiB
JavaScript

require("../polyfills/Function.prototype.bind")
var on = require("../events/on")
var clone = require("../clone")
var attrClick = "data-pjax-click-state"
var formAction = function(el, event){
this.options.requestOptions = {
requestUrl : el.getAttribute('action') || window.location.href,
requestMethod : el.getAttribute('method') || 'GET',
}
//create a testable virtual link of the form action
var virtLinkElement = document.createElement('a');
virtLinkElement.setAttribute('href', this.options.requestOptions.requestUrl);
// Ignore external links.
if (virtLinkElement.protocol !== window.location.protocol || virtLinkElement.host !== window.location.host) {
el.setAttribute(attrClick, "external");
return
}
// Ignore click if we are on an anchor on the same page
if (virtLinkElement.pathname === window.location.pathname && virtLinkElement.hash.length > 0) {
el.setAttribute(attrClick, "anchor-present");
return
}
// Ignore empty anchor "foo.html#"
if (virtLinkElement.href === window.location.href.split("#")[0] + "#") {
el.setAttribute(attrClick, "anchor-empty")
return
}
// if declared as a full reload, just normally submit the form
if ( this.options.currentUrlFullReload) {
el.setAttribute(attrClick, "reload");
return;
}
event.preventDefault()
var paramObject = [];
for(var elementKey in el.elements) {
var element = el.elements[elementKey];
if (!!element.name && element.attributes !== undefined && element.tagName.toLowerCase() !== 'button'){
if ((element.attributes.type !== 'checkbox' && element.attributes.type !== 'radio') || element.checked) {
paramObject.push({ name: encodeURIComponent(element.name), value: encodeURIComponent(element.value)});
}
}
}
//Creating a getString
var paramsString = (paramObject.map(function(value){return value.name+"="+value.value;})).join('&');
this.options.requestOptions.requestPayload = paramObject;
this.options.requestOptions.requestPayloadString = paramsString;
el.setAttribute(attrClick, "submit");
const options = clone(this.options);
options.triggerElement = el;
this.loadUrl(virtLinkElement.href, options);
};
var isDefaultPrevented = function(event) {
return event.defaultPrevented || event.returnValue === false;
};
module.exports = function(el) {
var that = this
on(el, "submit", function(event) {
if (isDefaultPrevented(event)) {
return
}
formAction.call(that, el, event)
})
on(el, "keyup", function(event) {
if (isDefaultPrevented(event)) {
return
}
if (event.keyCode == 13) {
formAction.call(that, el, event)
}
}.bind(this))
}