Sliding-rightward input box with CSS - css

Is there any way to make an input box span the distance between the right edge of its parent and go as far left as it needs to?
What I mean is, suppose I have
<div>
<span>a</span>
<span>b</span>
...
<input />
</div>
I'd like to make the input change width, so that if there were no spans, the input would stretch across the whole div, but if there are spans it would contract from the left? I'd be adding the spans from javascript.
Is it possible to do this in pure CSS?

Yes, technically.
To do it with CSS only, you will need to use the new flexbox model.
However, support is not great.
div {
width: 30em;
display: -webkit-flex;
display: flex;
input {
width: 100%;
flex: 1;
}
Try this demo in Chrome.
For support in other browsers that don't support the candidate recommendation, a little bit of Javascript to add percentage based widths based on the number of spans is your best bet.

Related

css - flexbox inheriting parent width despite align-items: flex-start, justify-content: flex-start [duplicate]

I am trying to vertically align elements within an ID wrapper. I gave the property display:inline-flex; to this ID as the ID wrapper is the flex container.
But there is no difference in presentation. I expected that everything in the wrapper ID would be displayed inline. Why isn't it?
#wrapper {
display: inline-flex;
/*no difference to display:flex; */
}
<body>
<div id="wrapper">
<header>header</header>
<nav>nav</nav>
<aside>aside</aside>
<main>main</main>
<footer>footer</footer>
</div>
</body>
display: inline-flex does not make flex items display inline. It makes the flex container display inline. That is the only difference between display: inline-flex and display: flex. A similar comparison can be made between display: inline-block and display: block, and pretty much any other display type that has an inline counterpart.1
There is absolutely no difference in the effect on flex items; flex layout is identical whether the flex container is block-level or inline-level. In particular, the flex items themselves always behave like block-level boxes (although they do have some properties of inline-blocks). You cannot display flex items inline; otherwise you don't actually have a flex layout.
It is not clear what exactly you mean by "vertically align" or why exactly you want to display the contents inline, but I suspect that flexbox is not the right tool for whatever you are trying to accomplish. Chances are what you're looking for is just plain old inline layout (display: inline and/or display: inline-block), for which flexbox is not a replacement; flexbox is not the universal layout solution that everyone claims it is (I'm stating this because the misconception is probably why you're considering flexbox in the first place).
1 The differences between block layout and inline layout are outside the scope of this question, but the one that stands out the most is auto width: block-level boxes stretch horizontally to fill their containing block, whereas inline-level boxes shrink to fit their contents. In fact, it is for this reason alone you will almost never use display: inline-flex unless you have a very good reason to display your flex container inline.
OK, I know at first might be a bit confusing, but display is talking about the parent element, so means when we say: display: flex;, it's about the element and when we say display:inline-flex;, is also making the element itself inline...
It's like make a div inline or block, run the snippet below and you can see how display flex breaks down to next line:
.inline-flex {
display: inline-flex;
}
.flex {
display: flex;
}
p {
color: red;
}
<body>
<p>Display Inline Flex</p>
<div class="inline-flex">
<header>header</header>
<nav>nav</nav>
<aside>aside</aside>
<main>main</main>
<footer>footer</footer>
</div>
<div class="inline-flex">
<header>header</header>
<nav>nav</nav>
<aside>aside</aside>
<main>main</main>
<footer>footer</footer>
</div>
<p>Display Flex</p>
<div class="flex">
<header>header</header>
<nav>nav</nav>
<aside>aside</aside>
<main>main</main>
<footer>footer</footer>
</div>
<div class="flex">
<header>header</header>
<nav>nav</nav>
<aside>aside</aside>
<main>main</main>
<footer>footer</footer>
</div>
</body>
Also quickly create the image below to show the difference at a glance:
flex and inline-flex both apply flex layout to children of the container. Container with display:flex behaves like a block-level element itself, while display:inline-flex makes the container behaves like an inline element.
Using two-value display syntax instead, for clarity
The display CSS property in fact sets two things at once: the outer display type, and the inner display type. The outer display type affects how the element (which acts as a container) is displayed in its context. The inner display type affects how the children of the element (or the children of the container) are laid out.
If you use the two-value display syntax, which is only supported in some browsers like Firefox, the difference between the two is much more obvious:
display: block is equivalent to display: block flow
display: inline is equivalent to display: inline flow
display: flex is equivalent to display: block flex
display: inline-flex is equivalent to display: inline flex
display: grid is equivalent to display: block grid
display: inline-grid is equivalent to display: inline grid
Outer display type: block or inline:
An element with the outer display type of block will take up the whole width available to it, like <div> does. An element with the outer display type of inline will only take up the width that it needs, with wrapping, like <span> does.
Inner display type: flow, flex or grid:
The inner display type flow is the default inner display type when flex or grid is not specified. It is the way of laying out children elements that we are used to in a <p> for instance. flex and grid are new ways of laying out children that each deserve their own post.
Conclusion:
The difference between display: flex and display: inline-flex is the outer display type, the first's outer display type is block, and the second's outer display type is inline. Both of them have the inner display type of flex.
References:
The two-value syntax of the CSS Display property on mozzilla.org
The Difference between "flex" and "inline-flex"
Short answer:
One is inline and the other basically responds like a block element(but has some of it's own differences).
Longer answer:
Inline-Flex - The inline version of flex allows the element, and it's children, to have flex properties while still remaining in the regular flow of the document/webpage. Basically, you can place two inline flex containers in the same row, if the widths were small enough, without any excess styling to allow them to exist in the same row. This is pretty similar to "inline-block."
Flex - The container and it's children have flex properties but the container reserves the row, as it is taken out of the normal flow of the document. It responds like a block element, in terms of document flow. Two flexbox containers could not exist on the same row without excess styling.
The problem you may be having
Due to the elements you listed in your example, though I am guessing, I think you want to use flex to display the elements listed in an even row-by-row fashion but continue to see the elements side-by-side.
The reason you are likely having issues is because flex and inline-flex have the default "flex-direction" property set to "row." This will display the children side-by side. Changing this property to "column" will allow your elements to stack and reserve space(width) equal to the width of its parent.
Below are some examples to show how flex vs inline-flex works and also a quick demo of how inline vs block elements work...
display: inline-flex; flex-direction: row;
Fiddle
display: flex; flex-direction: row;
Fiddle
display: inline-flex; flex-direction: column;
Fiddle
display: flex; flex-direction: column;
Fiddle
display: inline;
Fiddle
display: block
Fiddle
Also, a great reference doc:
A Complete Guide to Flexbox - css tricks
Display:flex apply flex layout to the flex items or children of the container only. So, the container itself stays a block level element and thus takes up the entire width of the screen.
This causes every flex container to move to a new line on the screen.
Display:inline-flex apply flex layout to the flex items or children as well as to the container itself. As a result the container behaves as an inline flex element just like the children do and thus takes up the width required by its items/children only and not the entire width of the screen.
This causes two or more flex containers one after another, displayed as inline-flex, align themselves side by side on the screen until the whole width of the screen is taken.
I'd like to add some details about screen reader behaviour, because there's some surprises here.
Some background first. Some screen readers like NVDA handle display: block and display: inline-block differently (and they should, as you will see later).
Comparison between different display attributes
display: block
A display: block element will always be announced in a separate "line", meaning NVDA will stop talking after its contents, and the user will manually tell NVDA to announce the next element (typically with Down arrow key).
<div>This is the first line</div>
<div>This is another line</div>
This will make NVDA announce This is the first line, and then This is another line.
The following yields the same result:
<span style="display: block">This is the first line</span>
<span style="display: block">This is another line</span>
display: inline-block
A display: inline-block element will be announced together with all preceding and following other inline elements (display: inline and display: inline-block).
<span style="display: inline-block">This is the first line</span>
<span style="display: inline-block">This is another line</span>
This will make the screen reader announce both elements in one go: This is the first line This is another line.
As said before, it doesn't matter whether it's an inline or inline-block element; the following yields the exact same result:
<span style="display: inline">This is the first line</span> <!-- Inline! -->
<span style="display: inline-block">This is another line</span> <!-- Inline block! -->
display: flex
This works exactly like display: block.
display: inline-flex
Surprisingly, this also works like display: block, not like display: inline-block!
display: grid / display: inline-grid
I didn't test this, but I expect the same like with flex / inline-flex here.
Why is that a problem?
Using display: inline-block, one can create elements that visually look very distinct, but semantically are treated "as one".
For example, consider the following headline in an online news platform:
<h2>
<span class="category">Rain forests</span>
They need our love
</h2>
You now want to visually style the category (Rain forests) very different to the "real" title ('They need our love'), i.e. by putting each in its own line, something like this:
If you'd make category a display: block element, then the screen reader would announce the heading in two separate lines like this: Rain forests, heading level 2, then They need our love, heading level 2. This is confusing to the user: are there two different headings on the page? Why is there no content for the first one (instead, immediately an apparent second heading seems to follow)?
If however you'd make category a display: inline-block element, then the screen reader would announce the heading in one go: Rain forests They need our love, heading level 2.
It is sad, that display: inline-flex (and probably inline-grid, too) does not mimic the behaviour. So if you want to offer perfect accessibility, you might want to use inline-block in such situations.
You can display flex items inline, providing your assumption is based on wanting flexible inline items in the 1st place. Using flex implies a flexible block level element.
The simplest approach is to use a flex container with its children set to a flex property. In terms of code this looks like this:
.parent{
display: inline-flex;
}
.children{
flex: 1;
}
flex: 1 denotes a ratio, similar to percentages of a element's width.
Check these two links in order to see simple live Flexbox examples:
https://njbenjamin.com/bundle-3.htm
https://njbenjamin.com/bundle-4.htm
If you use the 1st example:
https://njbenjamin.com/flex/index_1.htm
You can play around with your browser console, to change the display of the container element between flex and inline-flex.
You need a bit more information so that the browser knows what you want. For instance, the children of the container need to be told "how" to flex.
Updated Fiddle
I've added #wrapper > * { flex: 1; margin: auto; } to your CSS and changed inline-flex to flex, and you can see how the elements now space themselves out evenly on the page.
Open in Full page for better understanding
.item {
width : 100px;
height : 100px;
margin: 20px;
border: 1px solid blue;
background-color: yellow;
text-align: center;
line-height: 99px;
}
.flex-con {
flex-wrap: wrap;
/* <A> */
display: flex;
/* 1. uncomment below 2 lines by commenting above 1 line */
/* <B> */
/* display: inline-flex; */
}
.label {
padding-bottom: 20px;
}
.flex-inline-play {
padding: 20px;
border: 1px dashed green;
/* <C> */
width: 1000px;
/* <D> */
display: flex;
}
<figure>
<blockquote>
<h1>Flex vs inline-flex</h1>
<cite>This pen is understand difference between
flex and inline-flex. Follow along to understand this basic property of css</cite>
<ul>
<li>Follow #1 in CSS:
<ul>
<li>Comment <code>display: flex</code></li>
<li>Un-comment <code>display: inline-flex</code></li>
</ul>
</li>
<li>
Hope you would have understood till now. This is very similar to situation of `inline-block` vs `block`. Lets go beyond and understand usecase to apply learning. Now lets play with combinations of A, B, C & D by un-commenting only as instructed:
<ul>
<li>A with D -- does this do same job as <code>display: inline-flex</code>. Umm, you may be right, but not its doesnt do always, keep going !</li>
<li>A with C</li>
<li>A with C & D -- Something wrong ? Keep going !</li>
<li>B with C</li>
<li>B with C & D -- Still same ? Did you learn something ? inline-flex is useful if you have space to occupy in parent of 2 flexboxes <code>.flex-con</code>. That's the only usecase</li>
</ul>
</li>
</ul>
</blockquote>
</figure>
<br/>
<div class="label">Playground:</div>
<div class="flex-inline-play">
<div class="flex-con">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
</div>
<div class="flex-con">
<div class="item">X</div>
<div class="item">Y</div>
<div class="item">Z</div>
<div class="item">V</div>
<div class="item">W</div>
</div>
</div>

Dynamic width float-left with ellipsis

I have a single-line fixed-width container div with two variable-width span inside. Any overflow of the first span should be hidden with an ellipsis. The second span floats on the right and should be shown in full. Please see this Fiddle:
<div class='container'>
<span class='left'>Long long variable stuff</span>
<span class='right'>Changing stuff</span>
</div>
I want the first span's width to dynamically adjust according to the width of the second span so that both span stay on the same line. How can I do that?
You can use Flexbox, so with flex: 1 on .right, .left will adjust its size and overflow will be hidden.
.container {
width: 200px;
display: flex;
border: 1px solid black;
}
.left {
white-space: nowrap;
text-overflow: ellipsis;
overflow: hidden;
}
.right {
flex: 1;
white-space: nowrap;
}
<div class='container'>
<span class='left'>Long long variable stuff</span>
<span class='right'>Changing stuff</span>
</div>
I don't think there's any way for CSS to dynamically know the length of an element without javascript. If you're looking for a purely CSS solution you're going to need to give it some direction in order for it to know the widths you want. Visually, that might be a bit of a compromise for you, but it will allow you to ensure that everything is always on one line.
For the solution I'm about to propose to work you need to know one width of the two. In this case I'm going to say that you can make a best guess of the "changing stuff" on the right.
Your first problem is that spans are inline elements by default - not inline-block. In order to get the overflow text property to work, you need to use it with an inline-block or block element.
The next piece is to use calc. Calc excepts mixed measurements so you can subtract an exact pixel value off of a percent. This works really well for responsive layouts.
I've created an updated version of your plunker to illustrate:
https://jsfiddle.net/n19ddahb/5/

CSS Flexbox dynamic aspect-ratio code is influenced by content

For a webpage grid-layout I decided to use Flexbox. Now I wanted to implement some "auto-functionality", so that grid-boxes can later be inserted without the need to add classes or styles in the HTML. One of this features is to make a box allways be 75% as tall as it is wide - even if the box is resized by, for example, browserwindow resize. Off course, if the boxes content extends the 75%-height, it should (and only then should) increase its height to fit the content. I searched for hours to find a suitable solution, but I finally got it working. So I thought at least, until I added content to the box.
The auto aspect-ratio works fine, as long as the box is empty. If I add content, the 75% of the width is allways added to the height it has through extension by its content. I made a jsfiddle to clearly visualize the problem:
JSFiddle wd5s9vq0, visualizing the following Code:
HTML-Code:
<div class="container">
<div class="content-cell"></div>
<div class="content-cell"></div>
</div>
<div class="container">
<div class="content-cell">
This cell has an inreased height because of
it's content. The empty space below the
content is the 75% of the cells width.
</div>
<div class="content-cell"></div>
</div>
CSS:
.container {
display: flex;
width: 400px;
}
.content-cell {
flex: 1 1 0;
margin: 10px;
background-color: #ccc;
}
.content-cell::after {
content: "";
display: block;
padding-top: 75%;
}
If I didn't knew it better, it looks like a floating-problem - but I think the ::before / ::after selector should add the block-element before the element it is used on and not inside it.
Does anyone has an idea on how to fix this problem?
This seems to be a very widespread problem on the internet, and most solutions you find are either about wrapping the content, absolute-positioning the content or a mixture of both. This has numerous and case-dependent downsides. After hours of playing around with the code, I finally found a combination of CSS proporties that work without the need to add any DOM or make the content absolute-positioned. This looks quit basic, and I am wondering why it took me so long and why you can't find it out there on the web.
The HTML:
<div class="mybox aspect-full">
This is text, that would normally extend the box downwards.
It is long, but not so long that it extends the intended aspect-ratio.
</div>
The CSS:
.mybox {
width: 200px;
}
.aspect-full::before {
content: '';
display: block;
padding-top: 100%;
float: left;
}
The only downside I could find is that the content of your cell must float. If you use clear on one of your child objects, it is positioned below the expander-block and you are back to the original problem. If you need to clear the floating of divs inside of these aspect-ratio-cells, you might consider to wrap them and keep the wrapper floatable.

How can I center an element on a Windows 8 [HTML5/JS/CSS3] using flexible layouts

I am building a Windows 8 App in HTML5 and I am trying to center my app menu right in the middle of the screen. I know there are new CSS3 to apply this functionality, by using flexible boxes, however I am not able to recreate that. Here is my HTML
<body>
<div id="playControl">
<button>Back</button>
<button>Play</button>
<button>Forward</button>
</div>
</body>
There is some information here, but looks like isn't working properly (I guess they changed the property names)
Thanks
Here's how I do that. I use a grid instead of a flexbox at all. Let's say your div is inside a div called "parent". I would use...
#parent {
display:-ms-grid;
-ms-grid-columns:1fr;
-ms-grid-rows:1fr;
height:100%;
}
And then on your div I would use...
#yourDiv {
-ms-grid-column-align: center;
-ms-grid-row-align: center;
}
Notice that you need to give the parent div a single row and column and a height of 100%. Then you need to set the alignment for the child div (the initial value is 'stretch').
Hope that helps.
Brute force example... use css styles in real implementation...
You can fill the page with a flexbox like this... (note I used the default ms-flexbox css style to get things started and overrode with inline styling to get what I wanted)
<div class="ms-flexbox" style="width: 100%; height: 100%; -ms-flex-direction: column; -ms-flex-align: center; -ms-flex-pack: center;">
<button>Back</button>
<button>Play</button>
<button>Forward</button>
</div>
or your could create a 3x3 grid and put a smaller flexbox inside the middle cell.

matching container element width with that of child

I want to have a setup like this:
<div id="block">
<div class="btn">2</div>
<div class="btn">1235e</div>
<div class="btn">really long one</div>
</div>
jsfiddle: http://jsfiddle.net/cutcopypaste/3uu5Q/
Where the btns and block div get their width based on the content. Just like it appears in the fiddle, except that the width of the btns are based on their text rather than their container
I cannot use a table because I need to be able to apply styling to get vastly different appearance, so I need the html markup to stay basically the same. If it's absolutely necessary I could apply some js.
I tried a couple different ways of displaying, but not sure how to acheive this. I don't wish to hard-code any widths as the content will be changing, and I need it to work in older versions of IE (though I can use libraries like IE9.js).
Here's an example of how the #block will be sized to be as wide as its longest button:
#block {
float: left;
}
.btn {
float: left;
clear: both;
}
The floated elements will expand only to their content's width. It's assuming you want each button on its own line.
If you want the buttons to flow together, remove the clear:both from the .btn rule. However if you do want them all on one line you'll have to be aware of float drop. This will happen if the widths of all your buttons added together is greater than the available width. In this case, the rightmost button will drop down below the other buttons.
Update: based on OP's comment, here's the CSS for a table cell style where #block and all .btn elements expand to the widest button's width:
#block {
display: inline-block;
}
.btn {
display: block;
}
Along with an example.
Where the btns and block div get their width based on the content.
I'm not 100% sure whether I get you right, but using display:inline elements like spans instead of <div>s should solve your problem.
make them float or inline, that way they won't act like blocks (wont be 100% width).

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