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89 lines
3.6 KiB
Common Lisp
89 lines
3.6 KiB
Common Lisp
(defpackage #:clog-user
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(:use #:cl #:clog)
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(:export start-tutorial))
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(in-package :clog-user)
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;;; In this tutorial we will use a CSS only alternative to bootstrap -
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;;; https://www.w3schools.com/w3css/default.asp
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;;;
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;;; It is also a demonstration of how various ways to use HTML Forms
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(defun on-index (body)
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;; Load css files
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(load-css (html-document body) "https://www.w3schools.com/w3css/4/w3.css")
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(load-css (html-document body) "https://www.w3schools.com/lib/w3-theme-teal.css")
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;; Setup page
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(setf (title (html-document body)) "Hello W3.CSS")
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(let* ((header (create-section body :header :class "w3-container w3-card w3-theme"))
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(tmp (create-section header :h1 :content "Explore Forms"))
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;; Main area of page
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(data-area (create-div body :class "w3-container"))
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(tmp (create-hr data-area))
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;; This is a traditional "post" form that will submit data
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;; to a server.
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(fcontainer (create-div data-area :class "w3-container"))
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(tmp (create-section fcontainer :h2 :content "Post Form"))
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(tmp (create-br fcontainer))
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(form1 (create-form fcontainer :method :post :action "/page2"))
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(finput (create-form-element form1 :input :name "yourname" :label
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(create-label form1 :content "Enter name:")))
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(fsubmit (create-form-element form1 :submit))
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(tmp (create-br fcontainer))
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(tmp (create-hr data-area))
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;; This is a traditional "get" form that will submit data
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;; to a server.
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(fcontainer (create-div data-area :class "w3-container"))
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(tmp (create-section fcontainer :h2 :content "Get Form"))
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(tmp (create-br fcontainer))
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(form2 (create-form fcontainer :method :get :action "/page3"))
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(finput (create-form-element form2 :input :name "yourname" :label
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(create-label form2 :content "Enter name:")))
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(fsubmit (create-form-element form2 :submit))
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(tmp (create-br fcontainer))
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(tmp (create-hr data-area))
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;; This is a CLOG style form, instead of submitting data
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;; to another page it is dealt with in place.
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(fcontainer (create-div data-area :class "w3-container"))
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(tmp (create-section fcontainer :h2 :content "CLOG Style Form"))
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(tmp (create-br fcontainer))
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(form3 (create-form fcontainer))
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(finput3 (create-form-element form3 :input :name "yourname3" :label
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(create-label form3 :content "Enter name:")))
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(fsubmit3 (create-form-element form3 :submit))
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(tmp (create-br fcontainer))
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(tmp (create-hr data-area))
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(footer (create-section body :footer :class "w3-container w3-theme"))
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(tmp (create-section footer :p :content "(c) All's well that ends well")))
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(declare (ignore tmp) (ignore finput) (ignore fsubmit))
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(set-on-click fsubmit3
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(lambda (obj)
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(declare (ignore obj))
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(setf (hiddenp data-area) t)
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(place-before footer
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(create-div body
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:content (format nil "yourname3 = using NAME-VALUE ~A or VALUE ~A"
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(name-value form3 "yourname3")
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(value finput3)))))))
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(run body))
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(defun on-page2 (body)
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(let ((params (form-post-data body)))
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(create-div body :content params)
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(create-div body :content (format nil "yourname = ~A"
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(form-data-item params "yourname"))))
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(run body))
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(defun on-page3 (body)
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(let ((params (form-get-data body)))
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(create-div body :content params)
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(create-div body :content (format nil "yourname = ~A"
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(form-data-item params "yourname"))))
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(run body))
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(defun start-tutorial ()
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"Start tutorial."
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(initialize #'on-index)
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(set-on-new-window #'on-page2 :path "/page2")
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(set-on-new-window #'on-page3 :path "/page3")
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(open-browser))
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