gitlab-org--gitlab-foss/app/assets/javascripts/files_comment_button.js
2017-03-13 14:41:32 -05:00

141 lines
5.3 KiB
JavaScript

/* eslint-disable func-names, space-before-function-paren, no-var, prefer-rest-params, wrap-iife, max-len, one-var, one-var-declaration-per-line, quotes, prefer-template, newline-per-chained-call, comma-dangle, new-cap, no-else-return, consistent-return */
/* global FilesCommentButton */
/* global notes */
let $commentButtonTemplate;
var bind = function(fn, me) { return function() { return fn.apply(me, arguments); }; };
window.FilesCommentButton = (function() {
var COMMENT_BUTTON_CLASS, EMPTY_CELL_CLASS, LINE_COLUMN_CLASSES, LINE_CONTENT_CLASS, LINE_HOLDER_CLASS, LINE_NUMBER_CLASS, OLD_LINE_CLASS, TEXT_FILE_SELECTOR, UNFOLDABLE_LINE_CLASS;
COMMENT_BUTTON_CLASS = '.add-diff-note';
LINE_HOLDER_CLASS = '.line_holder';
LINE_NUMBER_CLASS = 'diff-line-num';
LINE_CONTENT_CLASS = 'line_content';
UNFOLDABLE_LINE_CLASS = 'js-unfold';
EMPTY_CELL_CLASS = 'empty-cell';
OLD_LINE_CLASS = 'old_line';
LINE_COLUMN_CLASSES = "." + LINE_NUMBER_CLASS + ", .line_content";
TEXT_FILE_SELECTOR = '.text-file';
function FilesCommentButton(filesContainerElement) {
this.render = bind(this.render, this);
this.hideButton = bind(this.hideButton, this);
this.isParallelView = notes.isParallelView();
filesContainerElement.on('mouseover', LINE_COLUMN_CLASSES, this.render)
.on('mouseleave', LINE_COLUMN_CLASSES, this.hideButton);
}
FilesCommentButton.prototype.render = function(e) {
var $currentTarget, buttonParentElement, lineContentElement, textFileElement, $button;
$currentTarget = $(e.currentTarget);
if ($currentTarget.hasClass('js-no-comment-btn')) return;
lineContentElement = this.getLineContent($currentTarget);
buttonParentElement = this.getButtonParent($currentTarget);
if (!this.validateButtonParent(buttonParentElement) || !this.validateLineContent(lineContentElement)) return;
$button = $(COMMENT_BUTTON_CLASS, buttonParentElement);
buttonParentElement.addClass('is-over')
.nextUntil(`.${LINE_CONTENT_CLASS}`).addClass('is-over');
if ($button.length) {
return;
}
textFileElement = this.getTextFileElement($currentTarget);
buttonParentElement.append(this.buildButton({
noteableType: textFileElement.attr('data-noteable-type'),
noteableID: textFileElement.attr('data-noteable-id'),
commitID: textFileElement.attr('data-commit-id'),
noteType: lineContentElement.attr('data-note-type'),
position: lineContentElement.attr('data-position'),
lineType: lineContentElement.attr('data-line-type'),
discussionID: lineContentElement.attr('data-discussion-id'),
lineCode: lineContentElement.attr('data-line-code')
}));
};
FilesCommentButton.prototype.hideButton = function(e) {
var $currentTarget = $(e.currentTarget);
var buttonParentElement = this.getButtonParent($currentTarget);
buttonParentElement.removeClass('is-over')
.nextUntil(`.${LINE_CONTENT_CLASS}`).removeClass('is-over');
};
FilesCommentButton.prototype.buildButton = function(buttonAttributes) {
return $commentButtonTemplate.clone().attr({
'data-noteable-type': buttonAttributes.noteableType,
'data-noteable-id': buttonAttributes.noteableID,
'data-commit-id': buttonAttributes.commitID,
'data-note-type': buttonAttributes.noteType,
'data-line-code': buttonAttributes.lineCode,
'data-position': buttonAttributes.position,
'data-discussion-id': buttonAttributes.discussionID,
'data-line-type': buttonAttributes.lineType
});
};
FilesCommentButton.prototype.getTextFileElement = function(hoveredElement) {
return hoveredElement.closest(TEXT_FILE_SELECTOR);
};
FilesCommentButton.prototype.getLineContent = function(hoveredElement) {
if (hoveredElement.hasClass(LINE_CONTENT_CLASS)) {
return hoveredElement;
}
if (!this.isParallelView) {
return $(hoveredElement).closest(LINE_HOLDER_CLASS).find("." + LINE_CONTENT_CLASS);
} else {
return $(hoveredElement).next("." + LINE_CONTENT_CLASS);
}
};
FilesCommentButton.prototype.getButtonParent = function(hoveredElement) {
if (!this.isParallelView) {
if (hoveredElement.hasClass(OLD_LINE_CLASS)) {
return hoveredElement;
}
return hoveredElement.parent().find("." + OLD_LINE_CLASS);
} else {
if (hoveredElement.hasClass(LINE_NUMBER_CLASS)) {
return hoveredElement;
}
return $(hoveredElement).prev("." + LINE_NUMBER_CLASS);
}
};
FilesCommentButton.prototype.validateButtonParent = function(buttonParentElement) {
return !buttonParentElement.hasClass(EMPTY_CELL_CLASS) && !buttonParentElement.hasClass(UNFOLDABLE_LINE_CLASS);
};
FilesCommentButton.prototype.validateLineContent = function(lineContentElement) {
return lineContentElement.attr('data-discussion-id') && lineContentElement.attr('data-discussion-id') !== '';
};
return FilesCommentButton;
})();
$.fn.filesCommentButton = function() {
$commentButtonTemplate = $('<button name="button" type="submit" class="add-diff-note js-add-diff-note-button" title="Add a comment to this line"><i class="fa fa-comment-o"></i></button>');
if (!(this && (this.parent().data('can-create-note') != null))) {
return;
}
return this.each(function() {
if (!$.data(this, 'filesCommentButton')) {
return $.data(this, 'filesCommentButton', new FilesCommentButton($(this)));
}
});
};