search-course/public/assets/global/scss/shared/utils/_fouc.scss

/* ------------------------------------------------------------------------------
 *
 *  # Flash of unstyled content (FOUC)
 *
 *  CSS fix for FOUC issue, which pops up in latest jQuery version. These styles
 *  are optional, but enabled by default. Feel free to turn them off in configuration.
 *
 * ---------------------------------------------------------------------------- */

// Check if component is enabled
@if $enable-fouc-fix {


	//
	// Checkboxes and Radios
	//
	// for Uniform inputs
	// requires [data-fouc] data attribute
	//

	input[type=checkbox][data-fouc],
	input[type=radio][data-fouc] {
		visibility: hidden;
		@include size($checkbox-size);

		// Inside .form-check container
		.form-check & {
	        position: absolute;
		}

		// Inline list
		.form-check-inline:not(.form-check-switchery) & {
			position: relative;
			margin-top: (($line-height-computed - $checkbox-size) / 2);
			margin-right: $form-check-inline-input-margin-x;

			// Right aligned
			.form-check-inline.form-check-right & {
				margin-right: 0;
				margin-left: $form-check-inline-input-margin-x;
			}
		}
	}


	//
	// Switchery
	//
	// for Switchery inputs
	// requires wrapper with .form-check-switchery class
	//

	// Left and right alignment
    .form-check-switchery {
        input[data-fouc] {
            width: ($switchery-size * 2) + rem-calc($switchery-border-width * 2);
            height: $switchery-size + rem-calc($switchery-border-width * 2);
        }
    }

    // Centered
    .form-check-switchery-double {
    	&.form-check input[data-fouc] {
        	position: static;
    	}
    }


	//
	// Bootstrap switch
	//
	// for Bootstrap switch inputs
	// requires wrapper with .form-check-switch class
	//

    .form-check-switch {
        input {
            height: $input-height;
            visibility: hidden;
            display: inline-block;
            vertical-align: middle;
            margin: 0;

            // Large size
            &[data-size=large] {
                height: $input-height-lg;
            }

            // Small size
            &[data-size=small] {
                height: $input-height-sm;
            }
        }
    }


	//
	// Text input
	//
	// for tags, Uniform etc.
	// includes optional sizes
	//

	input {

		// Base
		&[type=text][data-fouc] {
		    height: $input-height;
		    opacity: 0;
		}

		// Large size
		&[type=text].form-control-lg[data-fouc] {
		    height: $input-height-lg;
		}

		// Small size
		&[type=text].form-control-sm[data-fouc] {
		    height: $input-height-sm;
		}
	}


	//
	// Selects
	//
	// for Select2 and Uniform selects
	// single and multiple
	//

	select {

		// Base
		&[data-fouc]:not([aria-hidden=false]) {
			height: $input-height;
			opacity: 0;
		}

		// Large size
		&.form-control-lg[data-fouc]:not([aria-hidden=false]) {
		    height: $input-height-lg;
		}

		// Small size
		&.form-control-sm[data-fouc]:not([aria-hidden=false]) {
		    height: $input-height-sm;
		}
	}


	//
	// File input
	//
	// for Uniform file input
	// includes optional sizes
	//

	input {

		// Base
		&[type=file][data-fouc] {
		    height: $input-height;
		    opacity: 0;
		}

		// Large size
		&[type=file].form-control-lg[data-fouc] {
		    height: $input-height-lg;
		}

		// Small size
		&[type=file].form-control-sm[data-fouc] {
		    height: $input-height-sm;
		}
	}


	//
	// Form wizard
	//
	// for Steps wizard
	// only hides main container
	//

    .wizard-form[data-fouc] {
    	opacity: 0;

    	// Show wizard
        &.wizard {
            opacity: 1;
        }

        // Calculate approximate container height
        &:not(.wizard) {
            padding-top: ($wizard-step-number-size + ($spacer / 2) + $line-height-computed) + ($spacer * 2);
            padding-bottom: (($input-padding-y * 2) + $line-height-computed + $spacer + rem-calc($input-border-width * 2));

            // Hide certain elements
            fieldset:not(:first-of-type),
            h6 {
                display: none;
            }
        }
    }


	//
	// Color picker
	//
	// for Spectrum color picker
	// hard coded height
	//

	input[type=text].colorpicker-flat-full[data-fouc] {
	    height: 285px;
	}


	//
	// Ace editor
	//
	// for code editor containers
	// only hides main wrapper
	//

	pre[data-fouc] {
		&:not(.ace_editor) {
		    height: $pre-scrollable-max-height;
		}
		&.ace_editor {
		    visibility: visible;
		}
	}


	//
	// Sliders
	//
	// for NoUI and ION sliders
	// both require .noui-pips-height-helper and .ion-height-helper classes
	//


	// NoUI slider
	.noui-pips-height-helper:not(.noUi-target)[data-fouc] {
	    height: $slider-pips-spacer-y + $line-height-computed + $slider-height;
	}
	.noui-pips-height-helper.noui-slider-lg:not(.noUi-target)[data-fouc] {
	    height: $slider-pips-spacer-y + $line-height-computed + $slider-height-lg;
	}
	.noui-pips-height-helper.noui-slider-sm:not(.noUi-target)[data-fouc] {
	    height: $slider-pips-spacer-y + $line-height-computed + $slider-height-sm;
	}
	.noui-vertical-height-helper:not(.noUi-target)[data-fouc] {
	    display: inline-block;
	    height: $slider-vertical-height;
	}

	// ION range slider
	input[type=text].ion-height-helper[data-fouc] {
	    height: $tooltip-arrow-height + ($tooltip-padding-y * 2) + $slider-pips-font-size + ($slider-height * 4);
	}
	input[type=text].ion-pips-height-helper[data-fouc] {
	    height: $tooltip-arrow-height + ($tooltip-padding-y * 2) + $slider-pips-font-size + ($slider-height * 7) + $slider-pips-spacer-y;
	}
	input[type=text].noui-height-helper:not(.noUi-target)[data-fouc] {
	    height: $slider-height;
	}
}