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fix(dropdown): align position with or without vertical scrollbar #6008

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fix(dropdown): align position with or without vertical scrollbar #6008

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aa4105d
fix(dropdown): align position with or without vertical scrollbar
dolevd Jun 14, 2016
fafbf9c
Update dropdown.spec.js
dolevd Jun 15, 2016
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10 changes: 8 additions & 2 deletions src/dropdown/dropdown.js
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Original file line number Diff line number Diff line change
Expand Up @@ -195,7 +195,8 @@ angular.module('ui.bootstrap.dropdown', ['ui.bootstrap.position'])
var pos = $position.positionElements($element, self.dropdownMenu, 'bottom-left', true),
css,
rightalign,
scrollbarWidth;
scrollbarPadding,
scrollbarWidth = 0;
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Actually, the eslint issue had to do with using tabs instead of spaces (I used Notepad++ which isn't the best tool for the job).
Eslint passes now, but I can change this if you wish.

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Nah, not a big deal


css = {
top: pos.top + 'px',
Expand All @@ -208,7 +209,12 @@ angular.module('ui.bootstrap.dropdown', ['ui.bootstrap.position'])
css.right = 'auto';
} else {
css.left = 'auto';
scrollbarWidth = $position.scrollbarWidth(true);
scrollbarPadding = $position.scrollbarPadding(appendTo);

if (scrollbarPadding.heightOverflow && scrollbarPadding.scrollbarWidth) {
scrollbarWidth = scrollbarPadding.scrollbarWidth;
}

css.right = window.innerWidth - scrollbarWidth -
(pos.left + $element.prop('offsetWidth')) + 'px';
}
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29 changes: 29 additions & 0 deletions src/dropdown/test/dropdown.spec.js
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Expand Up @@ -702,4 +702,33 @@ describe('uib-dropdown', function() {
});
});
});

describe('using dropdown-append-to-body with dropdown-menu-right class', function() {
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In a comment before this issue, can you mention // issue #5942?

function dropdown() {
return $compile('<li style="float: right;" uib-dropdown dropdown-append-to-body><a href uib-dropdown-toggle>Toggle menu</a><ul uib-dropdown-menu class="dropdown-menu-right" id="dropdown-menu"><li><a href>Hello On Body</a></li></ul></li>')($rootScope);
}

beforeEach(function() {
element = dropdown();
$document.find('body').append(element);

var menu = $document.find('#dropdown-menu');
menu.css('position', 'absolute');
});

afterEach(function() {
element.remove();
});

it('should align the menu correctly when the body has no vertical scrollbar', function() {
var toggle = element.find('[uib-dropdown-toggle]');
var menu = $document.find('#dropdown-menu');
toggle.trigger('click');

// Get the offsets of the rightmost position of both the toggle and the menu (offset from the left of the window)
var toggleRight = Math.round(toggle.offset().left + toggle.outerWidth());
var menuRight = Math.round(menu.offset().left + menu.outerWidth());
expect(menuRight).toBe(toggleRight);
});
});
});