28 lines
1,017 B
Common Lisp
28 lines
1,017 B
Common Lisp
;;;; -*- mode: common-lisp; coding: utf-8; -*-
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(defpackage ml-sbt/breadcrumb
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(:use :cl)
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(:export :with-breadcrumb))
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(in-package :ml-sbt/breadcrumb)
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(defmacro with-breadcrumb (container &rest items)
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"Creates a Bootstrap breadcrumb navigation.
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ITEMS: A list of \"label\" \"url\" pairs. The last item is automatically set as active.
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Example usage:
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(with-breadcrumb
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\"Home\" \"/\"
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\"Library\" \"/library\"
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\"Data\" nil)"
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(let ((items-length (/ (length items) 2)))
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`(spinneret:with-html
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(:nav :class ,(concatenate 'string "container-" container)
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:aria-label "breadcrumb"
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(:ol :class "breadcrumb"
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,@(loop for (label url) on items by #'cddr
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for i from 1
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collect (if (= i items-length)
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`(:li :class "breadcrumb-item active" :aria-current "page" ,label)
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`(:li :class "breadcrumb-item" (:a :href ,url ,label)))))))))
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