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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';
var noInputFocused = function (element) {
return !(
element.is('input') ||
element.is('select') ||
element.is('textarea') ||
element.is('checkbox')
);
};
var noModifierKey = function (event) {
return !(
event.shiftKey ||
event.altKey ||
event.ctrlKey ||
event.metaKey
);
};
var scrollToItem = function (item, scrollArea) {
scrollArea.scrollTop(
item.offset().top - scrollArea.offset().top + scrollArea.scrollTop()
);
};
var scrollToNextItem = function (scrollArea) {
var items = scrollArea.find('.item');
items.each(function (index, item) {
item = $(item);
if (item.position().top > 1) {
scrollToItem(scrollArea, item);
return false;
}
});
// in case this is the last item it should still scroll below the top
scrollArea.scrollTop(scrollArea.prop('scrollHeight'));
};
var scrollToPreviousItem = function (scrollArea) {
var items = scrollArea.find('.item');
items.each(function (index, item) {
item = $(item);
if (item.position().top >= 0) {
var previous = item.prev();
// if there are no items before the current one
if (previous.length > 0) {
scrollToItem(scrollArea, previous);
}
return false;
}
});
// if there was no jump jump to the last element
if (items.length > 0) {
scrollToItem(scrollArea, items.last());
}
};
var getActiveItem = function (scrollArea) {
var items = scrollArea.find('.item');
items.each(function (index, item) {
item = $(item);
// 130px of the item should be visible
if ((item.height() + item.position().top) > 30) {
return item;
}
});
};
var toggleUnread = function (scrollArea) {
var item = getActiveItem(scrollArea);
item.find('.keep-unread').trigger('click');
};
var toggleStar = function (scrollArea) {
var item = getActiveItem(scrollArea);
item.find('.star').trigger('click');
};
var expandItem = function (scrollArea) {
var item = getActiveItem(scrollArea);
item.find('.title').trigger('click');
};
var openLink = function (scrollArea) {
var item = getActiveItem(scrollArea).find('.title a');
item.trigger('click'); // mark read
window.open(item.attr('href'), '_blank');
};
$(document).keyup(function (event) {
if (noInputFocused($(':focus')) && noModifierKey(event)) {
var keyCode = event.keyCode;
var 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, $));
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