plone.app.discussion/plone/app/discussion/browser/javascripts/comments.js

284 lines
10 KiB
JavaScript

/******************************************************************************
*
* jQuery functions for the plone.app.discussion comment viewlet and form.
*
******************************************************************************/
/* global require */
if (require === undefined) {
require = function(reqs, torun) {
// jshint ignore:line
"use strict";
return torun(window.jQuery);
};
}
require([
// jshint ignore:line
"jquery"
], function($) {
"use strict";
// This unnamed function allows us to use $ inside of a block of code
// without permanently overwriting $.
// http://docs.jquery.com/Using_jQuery_with_Other_Libraries
/**************************************************************************
* Create a reply-to-comment form right beneath the form that is passed to
* the function. We do this by copying the regular comment form and
* adding a hidden in_reply_to field to the form.
**************************************************************************/
$.createReplyForm = function(comment_div) {
var comment_id = comment_div.attr("id");
var reply_button = comment_div.find(".reply-to-comment-button");
/* Clone the reply div at the end of the page template that contains
* the regular comment form.
*/
var reply_div = $("#commenting").clone(true);
/* Remove the ReCaptcha JS code before appending the form. If not
* removed, this causes problems
*/
reply_div
.find("#formfield-form-widgets-captcha")
.find("script")
.remove();
/* Insert the cloned comment form right after the reply button of the
* current comment.
*/
reply_div.appendTo(comment_div).css("display", "none");
/* Remove id='commenting' attribute, since we use it to uniquely define
the main reply form. */
// Still belongs to class='reply'
reply_div.removeAttr("id");
/* Hide the reply button (only hide, because we may want to show it
* again if the user hits the cancel button).
*/
$(reply_button).css("display", "none");
/* Fetch the reply form inside the reply div */
var reply_form = reply_div.find("form");
/* Change the id of the textarea of the reply form
* To avoid conflict later between textareas with same id 'form-widgets-comment-text' while implementing a seperate instance of TinyMCE
* */
reply_form
.find("#formfield-form-widgets-comment-text")
.attr("id", "formfield-form-widgets-new-textarea" + comment_id);
reply_form
.find("#form-widgets-comment-text")
.attr("id", "form-widgets-new-textarea" + comment_id);
/* Populate the hidden 'in_reply_to' field with the correct comment
id */
reply_form.find('input[name="form.widgets.in_reply_to"]').val(comment_id);
/* Add a remove-reply-to-comment Javascript function to remove the
form */
var cancel_reply_button = reply_div.find(".cancelreplytocomment");
cancel_reply_button.attr("id", comment_id);
/* Show the cancel buttons. */
reply_form
.find('input[name="form.buttons.cancel"]')
.css("display", "inline");
/* Show the reply layer with a slide down effect */
reply_div.slideDown("slow");
/* Show the cancel button in the reply-to-comment form */
cancel_reply_button.css("display", "inline");
};
/**************************************************************************
* Remove all error messages and field values from the form that is passed
* to the function.
**************************************************************************/
$.clearForm = function(form_div) {
form_div.find(".error").removeClass("error");
form_div.find(".fieldErrorBox").remove();
form_div.find('input[type="text"]').attr("value", "");
form_div.find("textarea").attr("value", "");
/* XXX: Clean all additional form extender fields. */
};
function init_comment_eventhandler () {
/**********************************************************************
* Transmit a single comment.
**********************************************************************/
$('input[name="form.button.TransmitComment"]').on("click", function(e) {
e.preventDefault();
var trigger = this;
var form = $(this).parents("form");
var data = $(form).serialize();
var form_url = $(form).attr("action");
var comment_id = $(this).parents(".comment").attr("id");
$.ajax({
type: "GET",
url: form_url,
data: data,
context: trigger,
success: function(msg) {
let url = location.href;
$(this).parents(".comment").load(
// loading child nodes is not enough,
// class attributes are needed for visualization of workflow_state
url + " #" + comment_id + ".comment",
function() {
$(this).find(".comment").unwrap();
init_comment_eventhandler();
$(".pat-plone-modal").patPloneModal();
}
);
},
error: function(msg) {
return true;
}
});
return false;
});
/**********************************************************************
* Edit a comment
**********************************************************************/
if ($.fn.prepOverlay) {
$('form[name="edit"]').prepOverlay({
cssclass: "overlay-edit-comment",
width: "60%",
subtype: "ajax",
filter: "#content>*"
});
}
/**********************************************************************
* Delete a comment and its answers.
**********************************************************************/
$('input[name="form.button.DeleteComment"]').on("click", function(e) {
e.preventDefault();
var trigger = this;
var form = $(this).parents("form");
var data = $(form).serialize();
var form_url = $(form).attr("action");
$.ajax({
type: "POST",
url: form_url,
data: data,
context: $(trigger).parents(".comment"),
success: function(data) {
// jshint ignore:line
var comment = $(this);
var clss = comment.attr("class");
// remove replies
var treelevel = parseInt(
clss[clss.indexOf("replyTreeLevel") + "replyTreeLevel".length],
10
);
// selector for all the following elements of lower level
var selector = ".replyTreeLevel" + treelevel;
for (var i = 0; i < treelevel; i++) {
selector += ", .replyTreeLevel" + i;
}
comment.nextUntil(selector).each(function() {
$(this).fadeOut("fast", function() {
$(this).remove();
});
});
// Add delete button to the parent
var parent = comment.prev(
'[class*="replyTreeLevel' + (treelevel - 1) + '"]'
);
parent.find('form[name="delete"]').css("display", "inline");
// remove comment
$(this).fadeOut("fast", function() {
$(this).remove();
});
},
error: function(req, error) {
// jshint ignore:line
return true;
}
});
return false;
});
};
$(document).ready(function() {
init_comment_eventhandler();
/**********************************************************************
* If the user has hit the reply button of a reply-to-comment form
* (form was submitted with a value for the 'in_reply_to' field in the
* request), create a reply-to-comment form right under this comment.
**********************************************************************/
var post_comment_div = $("#commenting");
var in_reply_to_field = post_comment_div.find(
'input[name="form.widgets.in_reply_to"]'
);
if (in_reply_to_field.length !== 0 && in_reply_to_field.val() !== "") {
var current_reply_id = "#" + in_reply_to_field.val();
var current_reply_to_div = $(".discussion").find(current_reply_id);
$.createReplyForm(current_reply_to_div);
$.clearForm(post_comment_div);
}
/**********************************************************************
* If the user hits the 'reply' button of an existing comment, create a
* reply form right beneath this comment.
**********************************************************************/
$(".reply-to-comment-button").bind("click", function(e) {
// jshint ignore:line
var comment_div = $(this)
.parents()
.filter(".comment");
$.createReplyForm(comment_div);
$.clearForm(comment_div);
});
/**********************************************************************
* If the user hits the 'clear' button of an open reply-to-comment form,
* remove the form and show the 'reply' button again.
**********************************************************************/
$("#commenting #form-buttons-cancel").bind("click", function(e) {
e.preventDefault();
var reply_to_comment_button = $(this)
.parents()
.filter(".comment")
.find(".reply-to-comment-button");
/* Find the reply-to-comment form and hide and remove it again. */
$.reply_to_comment_form = $(this)
.parents()
.filter(".reply");
$.reply_to_comment_form.slideUp("slow", function() {
$(this).remove();
});
/* Show the reply-to-comment button again. */
reply_to_comment_button.css("display", "inline");
});
/**********************************************************************
* By default, hide the reply and the cancel button for the regular add
* comment form.
**********************************************************************/
$(".reply")
.find('input[name="form.buttons.reply"]')
.css("display", "none");
$(".reply")
.find('input[name="form.buttons.cancel"]')
.css("display", "none");
/**********************************************************************
* By default, show the reply button only when Javascript is enabled.
* Otherwise hide it, since the reply functions only work with JS
* enabled.
**********************************************************************/
$(".reply-to-comment-button").removeClass("hide");
});
});