Is there anyway to get scrolling titles?

ionic-v1
1

Hi,

Our app makes heavy use of Ionic. Its a great framework and we’re still learning about all it can do six months in.

One question we have is whether we can easily get titles to scroll horizontally if they are too big.

Here’s an example from our unreleased app. The app does personalised, up-to-date traffic information specifically for London, UK.

image
Screen Shot 2015-05-06 at 08.17.34.png327×590 138 KB

The title is actually “Lambeth Bridge Northern Approach”. These are ‘official’ and ‘well known’ titles used by the traffic authorities so whilst we can shorten them it would be nice to keep them.

If there are any neat tricks or other ways to do it, we’d be grateful for any suggestions.

Also if anybody in London wishes to try the app for free, its still in development and so late alpha/early beta, but if you live in London, it is useful. please reply here.

Thanks again and best wishes,

Rob

2

Sure… Add something like this to your CSS:

.bar .title {
	overflow: hidden;
	margin-left: 0px;
    -webkit-animation-name: title_scroller;
    -webkit-animation-duration: 6s;
    -webkit-animation-delay: 2s;
    -webkit-animation-direction: alternate;
    -webkit-animation-iteration-count:infinite; 
    -webkit-animation-fill-mode: both;
    -webkit-transition-timing-function: linear;
    animation-name: title_scroller;
    animation-duration: 6s;
    animation-delay: 2s;
    animation-direction: alternate;
   	animation-iteration-count:infinite;
    animation-fill-mode: both;
    transition-timing-function: linear;
}

@keyframes title_scroller {
    0% { margin-left: 0; } 
    100% { margin-left: -200px; }
}

@-webkit-keyframes title_scroller { 
    0% { margin-left: 0; } 
    100% { margin-left: -200px; }
}

The title is set to overflow: hidden and there’s a text-overflow: ellipsis; set, so text that overflows has an ellipsis added. The CSS I’ve written just moves the left margin of the title backwards and forwards repeatedly, which has the effect of scrolling the title. You’ll need to figure out what the -200px value really should be (maybe using something other than margin-left?). Removing the text-overflow: ellipsis; might make it look nicer too, as would playing around with the animation values.

3

Brilliant. I’ll put this in and see how it goes.

Our css skills are, how do we put it?, more limited than our SQL skills :smile:

Much appreciated.

Rob

4

Thanks. We got it working, As you say, we’ll need to play with the values a bit so get the effect right. If the title is only a little longer than the available space, we want a short movement as it juggles from side to side.

We’ll investigate further.

Appreciate your help,

Rob