Bootstrap: Validation states with form-inline fields?

Question

Is there any way to use Bootstrap's form field validation states/classes (warning, error, info, success) on form-inline fields (without using control-group)?

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I'm using Bootstrap, and I have a large form that uses the form-horizontal class for layout. However, there are areas within the form where the fields need to be inline (for example, City/State/Zip). I'm using form-inline for this, which works fine. Here's the basic markup:

<form id="account-form" class="form-horizontal" method="post" action="" novalidate>
    <!-- Address -->
    <div class="control-group">
        <label class="control-label">Address</label>

        <div class="controls">
            <input type="text" name="address" />
        </div>
    </div>

    <!-- City, State, Zip -->
    <div class="control-group">
        <label class="control-label">City</label>

        <div class="controls form-inline">
            <input type="text" name="city" />

            <label>State</label>
            <input type="text" name="state" />

            <label>Zip Code</label>
            <input type="text" name="zipcode" />
        </div>
    </div>
</form>

In my particular situation I need to handle validation manually. Unfortunately, it seems Bootstrap's validation state classes must be applied to the control-group; as you can see in the example above, the control-group in my case contains multiple fields. I tried wrapping individual fields within control-group spans or divs, but control-group does not play nicely at all when used with both a form-inline and form-horizontal together!

Is there a CSS class or other rule I can attach to a field directly (or an otherwise-innocent field wrapper) to apply these styles to individual fields, without having to completely redeclare all the standard bootstrap styles??

Answer 1

You could create some custom less code and recompile bootstrap:

Add @import "_custom.less"; to less/bootstrap.less

create less/_custom.less:

// Mixin for inline form field states
.inlineformFieldState(@warning: success,@textColor: #555, @borderColor: #ccc, @backgroundColor: #f5f5f5) {
  // Set the text color
  label.@{warning},
  .help-block .@{warning},
  .help-inline .@{warning}{
    color: @textColor;
  }
  // Style inputs accordingly
  .checkbox .@{warning},
  .radio .@{warning},
  input.@{warning},
  select.@{warning},
  textarea.@{warning} {
    color: @textColor;
  }
  input.@{warning},
  select.@{warning},
  textarea.@{warning} {
    border-color: @borderColor;
    .box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work
    &:focus {
      border-color: darken(@borderColor, 10%);
      @shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@borderColor, 20%);
      .box-shadow(@shadow);
    }
  }
  // Give a small background color for input-prepend/-append
  .input-prepend .add-on .@{warning},
  .input-append .add-on .@{warning} {
    color: @textColor;
    background-color: @backgroundColor;
    border-color: @textColor;
  }
}

.form-inline{
  .inlineformFieldState(success, @successText, @successText, @successBackground);
  .inlineformFieldState(warning, @warningText, @warningText, @warningBackground);
  .inlineformFieldState(info, @infoText, @infoText, @infoBackground);
  .inlineformFieldState(error, @errorText, @errorText, @errorBackground);
}

This mixin is based on .formFieldState in less/mixins.less. After recompile bootstrap you could use (see also: http://jsfiddle.net/bassjobsen/K3RE3/):

<form>
<div class="container">
   <div class="control-group">
        <div class="controls form-inline">
            <label class="error">City</label>
            <input class="error" type="text" name="city" />
            <label class="warning">State</label>
            <input class="warning" type="text" name="state" />
            <label class="success">Zip Code</label>
            <input class="success" type="text" name="zipcode" />
            <label class="info">Street</label>
            <input class="info" type="text" name="street" />
        </div>
</div>
</div>
</form>