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/**
* ownCloud - News
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @copyright Bernhard Posselt 2014
*/
/**
* Code in here acts only as a click shortcut mechanism. That's why its not
* being put into a directive since it has to be tested with protractor
* anyways and theres no benefit from wiring it into the angular app
*/
(function (window, document, $) {
'use strict';
const noInputFocused = (element) => {
return !(
element.is('input') ||
element.is('select') ||
element.is('textarea') ||
element.is('checkbox')
);
};
const noModifierKey = (event) => {
return !(
event.shiftKey ||
event.altKey ||
event.ctrlKey ||
event.metaKey
);
};
const scrollToItem = (item, scrollArea) => {
scrollArea.scrollTop(
item.offset().top - scrollArea.offset().top + scrollArea.scrollTop()
);
};
const scrollToNextItem = (scrollArea) => {
const items = scrollArea.find('.item');
for (let item of items) {
item = $(item);
if (item.position().top > 1) {
scrollToItem(scrollArea, item);
return;
}
}
// in case this is the last item it should still scroll below the top
scrollArea.scrollTop(scrollArea.prop('scrollHeight'));
};
const scrollToPreviousItem = (scrollArea) => {
const items = scrollArea.find('.item');
for (var item of items) {
item = $(item);
if (item.position().top >= 0) {
let previous = item.prev();
// if there are no items before the current one
if (previous.length > 0) {
scrollToItem(scrollArea, previous);
}
return;
}
}
// if there was no jump jump to the last element
if (items.length > 0) {
scrollToItem(scrollArea, items.last());
}
};
const getActiveItem = (scrollArea) => {
const items = scrollArea.find('.item');
for (let item of items) {
item = $(item);
// 130px of the item should be visible
if ((item.height() + item.position().top) > 30) {
return item;
}
}
};
const toggleUnread = (scrollArea) => {
const item = getActiveItem(scrollArea);
item.find('.keep_unread').trigger('click');
};
const toggleStar = (scrollArea) => {
const item = getActiveItem(scrollArea);
item.find('.item_utils .star').trigger('click');
};
const expandItem = (scrollArea) => {
const item = getActiveItem(scrollArea);
item.find('.item_heading a').trigger('click');
};
const openLink = (scrollArea) => {
const item = getActiveItem(scrollArea).find('.item_title a');
item.trigger('click'); // mark read
window.open(item.attr('href'), '_blank');
};
$(document).keyup((event) => {
if (noInputFocused($(':focus')) && noModifierKey(event)) {
const keyCode = event.keyCode;
const scrollArea = $('#app-content');
// j, n, right arrow
if ([74, 78, 33].indexOf(keyCode) >= 0) {
event.preventDefault();
scrollToNextItem(scrollArea);
// k, p, left arrow
} else if ([75, 80, 37].indexOf(keyCode) >= 0) {
event.preventDefault();
scrollToPreviousItem(scrollArea);
// u
} else if ([85].indexOf(keyCode) >= 0) {
event.preventDefault();
toggleUnread(scrollArea);
// e
} else if ([69].indexOf(keyCode) >= 0) {
event.preventDefault();
expandItem(scrollArea);
// s, i, l
} else if ([73, 83, 76].indexOf(keyCode) >= 0) {
event.preventDefault();
toggleStar(scrollArea);
// h
} else if ([72].indexOf(keyCode) >= 0) {
event.preventDefault();
toggleStar(scrollArea);
scrollToNextItem(scrollArea);
// o
} else if ([79].indexOf(keyCode) >= 0) {
event.preventDefault();
openLink(scrollArea);
}
}
});
}(window, document, jQuery));
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