How do I style non-widget content with jQuery UI? - css

I am building a jQuery UI site. I can see how easy it is to add widgets or dialogs and also I have seen it is possible to style elements using the theming api:
http://jqueryui.com/docs/Theming/API
So how do I style things like normal text or html headers 1-3 or html tables?
I would like to use the classes and styles from jQuery UI so everything fits together and changes when I change the theme.
I have tried to apply ui-widget-content or ui-widget-header to divs or h1,h2, but maybe there is a better way, or an in depth tutorial somewhere.

I usually detect the class of the theme I want to customize, and then instead of changing directly in the jquery css, (because I prefer to have udner control my changes, and ebcuase if I update the theme, don't need to add the changes again) , I add these modified classes in an "override" block or how you want to name it, so that are same classes, but with an important;! or other hierarchy trick added. For instance, calling the parent ID to give it more weight: #content .ui-widget-content {whatever} , or .ui-widget-content {whatever property:whatever value !important;}
Is usually some small bits, never a large portion of things that I want to customize, so adding these 2 or 3 classes in my main.css does not hurt. It depends, though.
edit: Oh... with "oder" you meant "order". Sorry, was not understanding well your question (is a bit unclear).
If you are not supporting IE7, you might be interested in using:
tr:nth-child(even) {background: #fff}
tr:nth-child(odd) {background: #000}

Related

Switch background colors between active/inactive tabs

I'm migrating my site from Bootstrap to Tailwind 3 and, in the process, built-in solutions (Dropdown, Tabs, Accordion...) needed to be replaced with alternatives. The section I'm working on right now is a custom Comments Editor I created.
I'll leave a link to what Tailwind's Playground generated for me in a CodePen because the code is longer than the maximum number of allowed characters here. The decision to create a Pen is only because in the Playground it doesn't work as the anchors open in new windows/tabs.
Anyway, the code that really matters, what makes the tabs work, is this one:
[data-target] {
scroll-margin-top: 10rem;
}
[data-target]:last-of-type + [role="tabpanel"], :target + [role="tabpanel"]{
display: flex;
}
[role="tabpanel"], :target ~ [data-target]:last-of-type + [role="tabpanel"]{
display: none;
}
As the title says, I'm looking for a way to change the background-color of the tabs, hinting to the User which one is currently active.
To accomplish that, I would need to switch Tailwind's bg-color-0 with bg-color-100 and take border-b-color-0 out of the once active tab and give it to the new one. But I don't know if I can do that only with CSS.
Not add/remove the classes per se, only their corresponding styles
I've seen a lot of implementations of Pure CSS Tabs, and all of them used hidden <input> fields. Though this implementation doesn't use them, I've added and named them accordingly, but I could only target them with CSS if the User clicked exactly where they're positioned (top-left of the tabs) instead of any part of them.
I'm aware I'll eventually have to add JS to switch the ARIA attributes, but is the basic functionality possible to be accomplished with CSS only? If not, is there an alternative implementation with which I could?
Thank you for your time :)

How can I override CSS styles in GWT/Bootstrap?

I just started to port twitter's bootstrap to GWT (see the github project here and a very ugly demo here), but, I was having a log of issues with bootstrap styles vs Gwt styles.
Bootstrap put a border-top in tr/td elements, and GWT components basically use tables everywhere. In the demo you can see that bug in the left VerticalPanel.
So, I was looking for a way to make GWT components ignore bootstrap styles, and I have no idea how to do this.
Is there a simple way to make it work right?
Thanks in advance.
It's possible, but somewhat complex to do something with a Linker in GWT. The high-level idea would be:
Put all your GWT components in a <div id="gwt">...</div>
Add a linker to the GWT Module file that will process CSS files.
In the linker, transform the GWT CSS (e.g., standard.css) to insert a #gwt before each selector rule.
The first part is easy, just add an id to your root element.
The second part is also easy, simply add code that looks like this to your Module.gwt.xml file:
<define-linker name="cssLinker" class="com.you.bootstrap.linker.CssRenamingLinker" />
<add-linker name="cssLinker"/>
The hard part is implementing the Linker. It's possible to do parse it by hand, but you might find it easier to use something like SAC.
Using the Linker, you can transform your CSS by inserting a #gwt before each selector. Using SAC, you might do that by overriding all the DocumentHandler methods to simply emit each of their arguments to an OutputStream. In DocumentHandler.startSelector() you would first emit "#gwt " before each selector.
[Edit]
This assumes that GWT's standard.css defines styles that override the bootstrap styles. If not, you might have to 'enhance' the GWT CSS with defaults. There's a list of W3C recommended defaults here.
The benefit is that this is future-resistant - if GWT styles change or if bootstrap styles change, this should be robust.
Hope that helps,
Adam
You can simply add a style to one of your root GWT objects and then simply override the bootstrap styles to remove those messy borders:
<div class="gwt">
... some other GWT-content
</div>
and in your CSS:
.gwt tr, .gwt td {
border-top: 0px;
}
Of course if you need to embed some bootstrap elements in your GWT elements then you will have to hack around and do:
<div class="gwt">
... some other GWT-content
<div class="bootstrap">...
... Bootstrap elements
</div>
</div>
and in your CSS:
.bootstrap tr, .bootstrap td {
border-top: 1px; // Whatever bootstrap style puts
}

Overwrite one css rule with another?

A question about CSS.
I am working on some dated code. This code has its own css rules which are linked to some 'css manager'... now I want to use jQuery UI with its nice and cute dialogues etc.
Now my question is:
I have a css rule say...
#menu-bar{something}
jQuery UI is using rules like:
.ui-dialog-titlebar{something2}
Can I (without modifying jQueryUI stylesheets) do something akin to :
.ui-dialog-titlebar = #menu-bar?
So .ui-dialog-titlebar will be overwritten with {something} from #menu-bar?
Thanks in advance.
PS. Let me add that I can not simply do
.ui-dialog-titlebar {something}
becasue {something} is changing depending on the 'style manager' used.
I don't think a css rule can inherit from another one, definitely not CSS 2 or CSS 3. What you can do is to add multiple css classes to the elements. In your case, you could simply add the ID to the dialog element:
<div id="menu-bar" title="dialog">...</div>
or add it programmically:
$('.dialog').dialog(...).attr('id', 'menu-bar');
Note though, #menu-bar should really be a class rather than an ID, if you want multiple elements to have the style.

Ignore previous css definitions

I'm developing an add-on for an existing CMS system. My add-on outputs a link to a style sheet and then outputs a table. The rest of the content(header,left column, footer etc.) is provided by the CMS.
Previously linked CSS styles seems to effect the way my table is displayed. I want to avoid this. I want my table to be shown according to my CSS style. How can I this?
You can add the !important declaration to your style:
table thead th
{
color: #ff0000 !important;
}
Your column headings should have red text now, even if another color has been previously set through another style.
There are only two options:
1) Put the table and its stylesheet in an iframe. Since it is a separate webpage entirely, it won't be affected by stylesheets on the parent webpage.
2) Fully specify the styles of all elements on your table. As long as you override everything the parent page might have specified, your table will look as you want it to.
do you mean a CSS reset? google that for thousands of results.

jQuery UI button: How do I override the classes used for a single button?

I am using the jQuery UI library out of the box, based on a theme.
Having links rendered as buttons is great, however I need to override some buttons with different colours.
How do I specify an specific class for a particular button to use?
I recommend looking at the CSS for the jQuery UI buttons and duplicating the structure of the CSS which specifies the buttons, but with your own class instead of the jQuery UI classes. Make the overrides that you need in this CSS and include it after the jQuery UI CSS. CSS uses a combination of the most specific selector and ordering to determine which values to apply. By doing this you will make sure that you have the same specificity for each of the CSS selectors used by jQuery so that your CSS takes precedence based on order.
Smashing Magazine has an article that probably has more information than you care to know about the specificity issue.
You can also:
Use Developer Tools in the browser (Chrome has great ones).
See what class from jQuery UI defines the button color.
Override it in your CSS file with the "!important" attribute.
For example, when I needed to override jQuery UI spinner control and remove the borders, I found the class that defines the borders using Chrome Dev Tools. Then in CSS: I added something like that:
.<jquery-ui-class-that-i-found> { border: 0px !important; }
Works great!
I would say, give the particular button or buttons an id, and:
$("#buttonId").removeClass().addClass("myClass");
If you want to apply it to multiple buttons each with its own id:
$("#buttonId, #anotherButton").removeClass().addClass("myClass");
I think the button API should include a configuration like this where you can change color etc. by passing parameters
$("button").button({background:"FFFFFF",hover:"FFFFF"});
this is just an idea where you can change some of its visual attributes.
I found this worked for me:
$(".btnSave").removeClass("ui-state-default").addClass("SaveButtonStyling");
Basically needed to remove the ui-state-default class and then add my own for the background colour etc.
Thsi meant that the rounded corner class etc stayed put and I was able to amend the background colour etc.
If you simply wish to have some additional/different for particular buttons, simply give the buttons some classes like class="mybuttonclass otherbuttonclass" - multiple classes are allowed. Then, just add css rules for your class(es)
.mybuttonclass
{
background-color: red;
}
.otherbuttonclass
{
color:white;
}
thus the background is red with white text - or whatever combination you wish, which would override items in the cascade (CSS) above it. (assumption is that your .CSS file is linked in AFTER the jquery UI css file, or is in-line on the page, both of which would override the jQuery UI css.

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