clog/source/clog-base.lisp
2021-12-31 16:59:32 -05:00

1194 lines
38 KiB
Common Lisp

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;; CLOG - The Common Lisp Omnificent GUI ;;;;
;;;; (c) 2020-2021 David Botton ;;;;
;;;; License BSD 3 Clause ;;;;
;;;; ;;;;
;;;; clog-base.lisp ;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(cl:in-package :clog)
;;; Implements the base object clog-obj that encapsulates the communication
;;; between the browser and the lisp code for each object in the HTML DOM.
;;; This includes properties, methods and events. Each clog-obj also has
;;; methods to retrieve connection-data (data that is associated with the
;;; current page regardless of object or thread of execution is lisp).
(push :clog *features*)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Implementation - clog-obj
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defclass clog-obj ()
((connection-id
:reader connection-id
:initarg :connection-id)
(html-id
:reader html-id
:initarg :html-id)
(connection-data-mutex
:reader connection-data-mutex
:initform (bordeaux-threads:make-lock)))
(:documentation "CLOG objects (clog-obj) encapsulate the connection between
lisp and an HTML DOM element."))
;;;;;;;;;;;;;;;;;;;
;; connection-id ;;
;;;;;;;;;;;;;;;;;;;
(defgeneric connection-id (clog-obj)
(:documentation "Reader for connection-id slot. (Private)"))
;;;;;;;;;;;;;
;; html-id ;;
;;;;;;;;;;;;;
(defgeneric html-id (clog-obj)
(:documentation "Internal html-id of CLOG-Obj. (Internal)"))
;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; connection-data-mutex ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric connection-data-mutex (clog-obj)
(:documentation "Reader for connection-data thread lock. (Private)"))
;;;;;;;;;;;;;;;;;;;
;; make-clog-obj ;;
;;;;;;;;;;;;;;;;;;;
(defun make-clog-obj (connection-id html-id)
"Construct a new clog-obj. (Private)"
(make-instance 'clog-obj :connection-id connection-id :html-id html-id))
;;;;;;;;;;;;;;;
;; script-id ;;
;;;;;;;;;;;;;;;
(defgeneric script-id (clog-obj)
(:documentation "Return the script id for OBJ based on the html-id set
during attachment. (Private)"))
(defmethod script-id ((obj clog-obj))
(if (eql (html-id obj) 0)
"'body'"
(format nil "clog['~A']" (html-id obj))))
;;;;;;;;;;;;;;;;
;; js-execute ;;
;;;;;;;;;;;;;;;;
(defgeneric js-execute (clog-obj script)
(:documentation "Execure SCRIPT on browser. Result is
dicarded, return CLOG-OBJ. (Internal)"))
(defmethod js-execute ((obj clog-obj) script)
(clog-connection:execute (connection-id obj) script)
obj)
;;;;;;;;;;;;;;
;; js-query ;;
;;;;;;;;;;;;;;
(defgeneric js-query (clog-obj script &key default-answer)
(:documentation "Execure SCRIPT on browser and return result. (Internal)"))
(defmethod js-query ((obj clog-obj) script &key (default-answer nil))
(clog-connection:query (connection-id obj) script :default-answer default-answer))
;;;;;;;;;;;;
;; jquery ;;
;;;;;;;;;;;;
(defgeneric jquery (clog-obj)
(:documentation "Return the jquery accessor for OBJ. (Private)"))
(defmethod jquery ((obj clog-obj))
(format nil "$(~A)" (script-id obj)))
;;;;;;;;;;;;;;;;;;;;
;; jquery-execute ;;
;;;;;;;;;;;;;;;;;;;;
(defgeneric jquery-execute (clog-obj method)
(:documentation "Execute the jquery METHOD on OBJ. Result is
dicarded, return CLOG-OBJ. (Private)"))
(defmethod jquery-execute ((obj clog-obj) method)
(js-execute obj (format nil "~A.~A" (jquery obj) method)))
;;;;;;;;;;;;;;;;;;
;; jquery-query ;;
;;;;;;;;;;;;;;;;;;
(defgeneric jquery-query (clog-obj method &key default-answer)
(:documentation "Execute the jquery METHOD on OBJ and return
result or DEFAULT-ANSWER on time out. (Private)"))
(defmethod jquery-query ((obj clog-obj) method &key (default-answer nil))
(js-query obj (format nil "~A.~A" (jquery obj) method)
:default-answer default-answer))
;;;;;;;;;;;;;
;; execute ;;
;;;;;;;;;;;;;
(defgeneric execute (clog-obj method)
(:documentation "Execute the JavaScript METHOD on OBJ. Result is
dicarded. (Private)"))
(defmethod execute ((obj clog-obj) method)
(js-execute obj (format nil "~A.~A" (script-id obj) method)))
;;;;;;;;;;;
;; query ;;
;;;;;;;;;;;
(defgeneric query (clog-obj method &key default-answer)
(:documentation "Execute the JavaScript query METHOD on OBJ and return
result or if time out DEFAULT-ANSWER (Private)"))
(defmethod query ((obj clog-obj) method &key (default-answer nil))
(js-query obj (format nil "~A.~A" (script-id obj) method)
:default-answer default-answer))
;;;;;;;;;;;;;;;;;;;;;;;
;; bind-event-script ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric bind-event-script (clog-obj event call-back)
(:documentation "Create the code client side for EVENT CALL-BACK.
(Private)"))
(defmethod bind-event-script ((obj clog-obj) event call-back)
(jquery-execute obj (format nil "on('~A',function (e, data){~A})"
event call-back)))
;;;;;;;;;;;;;;;;;;;;;;;;;
;; unbind-event-script ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric unbind-event-script (clog-obj event)
(:documentation "Remove the client call back code for EVENT. (Private)"))
(defmethod unbind-event-script ((obj clog-obj) event)
(jquery-execute obj (format nil "off('~A')" event)))
;;;;;;;;;;;;;;;;;;;;;;;
;; parse-mouse-event ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defparameter mouse-event-script
"+ (e.clientX - e.currentTarget.getBoundingClientRect().left + e.currentTarget.scrollLeft) + ':' +
(e.clientY - e.currentTarget.getBoundingClientRect().top + e.currentTarget.scrollTop) + ':' +
e.screenX + ':' + e.screenY + ':' + e.which + ':' + e.altKey + ':' +
e.ctrlKey + ':' + e.shiftKey + ':' + e.metaKey + ':' +
e.clientX + ':' + e.clientY + ':' + e.pageX + ':' + e.pageY"
"JavaScript to collect mouse event data from browser.")
;; e.buttons would be better but not supported currently outside
;; of firefox and would always return 0 on Mac so using e.which.
;; The use of offsetLeft and offsetTop is to correct the X and Y
;; to the actual X,Y of the target.
(defun parse-mouse-event (data)
(let ((f (ppcre:split ":" data)))
(list
:event-type :mouse
:x (parse-integer (nth 0 f) :junk-allowed t)
:y (parse-integer (nth 1 f) :junk-allowed t)
:screen-x (parse-integer (nth 2 f) :junk-allowed t)
:screen-y (parse-integer (nth 3 f) :junk-allowed t)
:which-button (parse-integer (nth 4 f) :junk-allowed t)
:alt-key (js-true-p (nth 5 f))
:ctrl-key (js-true-p (nth 6 f))
:shift-key (js-true-p (nth 7 f))
:meta-key (js-true-p (nth 8 f))
:client-x (parse-integer (nth 9 f) :junk-allowed t)
:client-Y (parse-integer (nth 10 f) :junk-allowed t)
:page-x (parse-integer (nth 11 f) :junk-allowed t)
:page-Y (parse-integer (nth 12 f) :junk-allowed t))))
;;;;;;;;;;;;;;;;;;;;;;;
;; parse-touch-event ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defparameter touch-event-script
"+ (e.touches[0].clientX -
e.touches[0].currentTarget.getBoundingClientRect().left +
e.touches[0].currentTarget.scrollLeft) + ':' +
(e.touches[0].clientY -
e.touches[0].currentTarget.getBoundingClientRect().top +
e.touches[0].currentTarget.scrollTop) + ':' +
e.touches[0].screenX + ':' + e.touches[0].screenY + ':' + e.touches.length + ':' +
e.altKey + ':' +
e.ctrlKey + ':' +
e.shiftKey + ':' +
e.metaKey + ':' +
e.touches[0].clientX + ':' + e.touches[0].clientY + ':' +
e..touches[0].pageX + ':' + e.touches[0].pageY"
"JavaScript to collect touch event data from browser.")
(defun parse-touch-event (data)
(let ((f (ppcre:split ":" data)))
(list
:event-type :touch
:x (parse-integer (nth 0 f) :junk-allowed t)
:y (parse-integer (nth 1 f) :junk-allowed t)
:screen-x (parse-integer (nth 2 f) :junk-allowed t)
:screen-y (parse-integer (nth 3 f) :junk-allowed t)
:number-fingers (parse-integer (nth 4 f) :junk-allowed t)
:alt-key (js-true-p (nth 5 f))
:ctrl-key (js-true-p (nth 6 f))
:shift-key (js-true-p (nth 7 f))
:meta-key (js-true-p (nth 8 f))
:client-x (parse-integer (nth 9 f) :junk-allowed t)
:client-Y (parse-integer (nth 10 f) :junk-allowed t)
:page-x (parse-integer (nth 11 f) :junk-allowed t)
:page-Y (parse-integer (nth 12 f) :junk-allowed t))))
;;;;;;;;;;;;;;;;;;;;;;;;;
;; parse-pointer-event ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defparameter pointer-event-script
"+ (e.clientX - e.currentTarget.getBoundingClientRect().left + e.currentTarget.scrollLeft) + ':' +
(e.clientY - e.currentTarget.getBoundingClientRect().top + e.currentTarget.scrollTop) + ':' +
e.screenX + ':' + e.screenY + ':' + e.which + ':' + e.altKey + ':' +
e.ctrlKey + ':' + e.shiftKey + ':' + e.metaKey + ':' +
e.clientX + ':' + e.clientY + ':' + e.pageX + ':' + e.pageY"
"JavaScript to collect pointer event data from browser.")
(defun parse-pointer-event (data)
(let ((f (ppcre:split ":" data)))
(list
:event-type :pointer
:x (parse-integer (nth 0 f) :junk-allowed t)
:y (parse-integer (nth 1 f) :junk-allowed t)
:screen-x (parse-integer (nth 2 f) :junk-allowed t)
:screen-y (parse-integer (nth 3 f) :junk-allowed t)
:which-button (parse-integer (nth 4 f) :junk-allowed t)
:alt-key (js-true-p (nth 5 f))
:ctrl-key (js-true-p (nth 6 f))
:shift-key (js-true-p (nth 7 f))
:meta-key (js-true-p (nth 8 f))
:client-x (parse-integer (nth 9 f) :junk-allowed t)
:client-Y (parse-integer (nth 10 f) :junk-allowed t)
:page-x (parse-integer (nth 11 f) :junk-allowed t)
:page-Y (parse-integer (nth 12 f) :junk-allowed t))))
;;;;;;;;;;;;;;;;;;;;;;;;;;
;; parse-keyboard-event ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;
(defparameter keyboard-event-script
"+ e.key.charCodeAt(0) + ':' + e.charCode + ':' + e.altKey + ':' +
e.ctrlKey + ':' + e.shiftKey + ':' + e.metaKey + ':' +
(e.key == ':' ? 'colon' : e.key)"
"JavaScript to collect keyboard event data from browser.")
(defun parse-keyboard-event (data)
(let ((f (ppcre:split ":" data)))
(list
:event-type :keyboard
:key-code (parse-integer (nth 0 f) :junk-allowed t)
:char-code (parse-integer (nth 1 f) :junk-allowed t)
:alt-key (js-true-p (nth 2 f))
:ctrl-key (js-true-p (nth 3 f))
:shift-key (js-true-p (nth 4 f))
:meta-key (js-true-p (nth 5 f))
:key (if (equal (nth 6 f) "colon")
":"
(nth 6 f)))))
;;;;;;;;;;;;;;;;;;;;;;
;; parse-drop-event ;;
;;;;;;;;;;;;;;;;;;;;;;
(defparameter drop-event-script
"+ (e.clientX - e.currentTarget.getBoundingClientRect().left + e.currentTarget.scrollLeft) + ':' +
(e.clientY - e.currentTarget.getBoundingClientRect().top + e.currentTarget.scrollTop + ':' +
encodeURIComponent(e.originalEvent.dataTransfer.getData('~A'))"
"JavaScript to collect drop event data from browser.")
(defun parse-drop-event (data)
(let ((f (ppcre:split ":" data)))
(list
:event-type :drop
:x (parse-integer (nth 0 f) :junk-allowed t)
:y (parse-integer (nth 1 f) :junk-allowed t)
:drag-data (quri:url-decode (or (nth 2 f) "")))))
;;;;;;;;;;;;;;;
;; set-event ;;
;;;;;;;;;;;;;;;
(defgeneric set-event (clog-obj event handler
&key call-back-script
eval-script
post-eval
cancel-event
one-time)
(:documentation "Create the hook for incoming events. (Private)"))
(defmethod set-event ((obj clog-obj) event handler
&key (call-back-script "")
(eval-script "")
(post-eval "")
(cancel-event nil)
(one-time nil))
(let ((hook (format nil "~A:~A" (html-id obj) event)))
(cond (handler
(bind-event-script
obj event (format nil "~Aws.send('E:~A '~A)~A~A~A"
eval-script
hook
call-back-script
post-eval
(if one-time
(format nil "; ~A.off('~A')"
(jquery obj)
event)
"")
(if cancel-event
"; return false"
"")))
(setf (gethash hook (connection-data obj)) handler))
(t
(unbind-event-script obj event)
(remhash hook (connection-data obj))))))
;;;;;;;;;;;;;;
;; property ;;
;;;;;;;;;;;;;;
(defgeneric property (clog-obj property-name &key default-answer)
(:documentation "Get/Setf html property."))
(defmethod property ((obj clog-obj) property-name &key (default-answer nil))
(jquery-query obj (format nil "prop('~A')" property-name)
:default-answer default-answer))
(defgeneric set-property (clog-obj property-name value)
(:documentation "Set html property."))
(defmethod set-property ((obj clog-obj) property-name value)
(jquery-execute obj (format nil "prop('~A','~A')" property-name (escape-string value)))
value)
(defsetf property set-property)
;;;;;;;;;;;;
;; height ;;
;;;;;;;;;;;;
(defgeneric height (clog-obj)
(:documentation "Get/Setf html height in pixels."))
(defmethod height ((obj clog-obj))
(parse-integer (jquery-query obj "height()") :junk-allowed t))
(defgeneric set-height (clog-obj value)
(:documentation "Set height VALUE for CLOG-OBJ"))
(defmethod set-height ((obj clog-obj) value)
(jquery-execute obj (format nil "height('~A')" (escape-string value)))
value)
(defsetf height set-height)
;;;;;;;;;;;
;; width ;;
;;;;;;;;;;;
(defgeneric width (clog-obj)
(:documentation "Get/Setf html width in pixels."))
(defmethod width ((obj clog-obj))
(parse-integer (jquery-query obj "width()") :junk-allowed t))
(defgeneric set-width (clog-obj value)
(:documentation "Set width VALUE for CLOG-OBJ"))
(defmethod set-width ((obj clog-obj) value)
(jquery-execute obj (format nil "width('~A')" (escape-string value)))
value)
(defsetf width set-width)
;;;;;;;;;;;
;; focus ;;
;;;;;;;;;;;
(defgeneric focus (clog-obj)
(:documentation "Focus on CLOG-OBJ"))
(defmethod focus ((obj clog-obj))
(jquery-execute obj "focus()"))
;;;;;;;;;;
;; blur ;;
;;;;;;;;;;
(defgeneric blur (clog-obj)
(:documentation "Remove focus from CLOG-OBJ"))
(defmethod blur ((obj clog-obj))
(jquery-execute obj "blur()"))
;;;;;;;;;;;;
;; validp ;;
;;;;;;;;;;;;
(defgeneric validp (clog-obj)
(:documentation "Returns true if connection is valid on this CLOG-OBJ."))
(defmethod validp ((obj clog-obj))
(clog-connection:validp (connection-id obj)))
;;;;;;;;;;;;;;;;;;;;;
;; connection-data ;;
;;;;;;;;;;;;;;;;;;;;;
(defgeneric connection-data (clog-obj)
(:documentation "Get connection-data that is associated with
clog-obj that will persist regardless of thread. The event hooks
are stored in this string based hash in the format of:
\"html-id:event-name\" => #'event-handler. clog-* keys are reserved
for internal use of clog. The key \"clog-body\" is set to the
clog-body of this connection."))
(defmethod connection-data ((obj clog-obj))
(clog-connection:get-connection-data (connection-id obj)))
;;;;;;;;;;;;;;;;;;;;;;;;;;
;; connection-data-item ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric connection-data-item (clog-obj item-name)
(:documentation "Get/Setf from connection-data the item-name in hash."))
(defmethod connection-data-item ((obj clog-obj) item-name)
(gethash item-name (connection-data obj)))
(defgeneric set-connection-data-item (clog-obj item-name value)
(:documentation "Set connection-data the item-name in hash."))
(defmethod set-connection-data-item ((obj clog-obj) item-name value)
(bordeaux-threads:with-lock-held ((connection-data-mutex obj))
(setf (gethash item-name (connection-data obj)) value))
value)
(defsetf connection-data-item set-connection-data-item)
(defgeneric remove-connection-data-item (clog-obj item-name)
(:documentation "Remove from connection-data the item-name in hash."))
(defmethod remove-connection-data-item ((obj clog-obj) item-name)
(bordeaux-threads:with-lock-held ((connection-data-mutex obj))
(remhash item-name (connection-data obj))))
;;;;;;;;;;;;;;;;;;
;; set-on-event ;;
;;;;;;;;;;;;;;;;;;
(defgeneric set-on-event (clog-obj event-name handler)
(:documentation "Set a HANDLER for EVENT-NAME on CLOG-OBJ. If handler is
nil unbind all event handlers. (Private)"))
(defmethod set-on-event ((obj clog-obj) event-name handler)
(set-event obj event-name
(when handler
(lambda (data)
(declare (ignore data))
(funcall handler obj)))))
;;;;;;;;;;;;;;;;;;;
;; set-on-resize ;;
;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-resize (clog-obj on-resize-handler)
(:documentation "Set the ON-RESIZE-HANDLER for CLOG-OBJ. If ON-RESIZE-HANDLER
is nil unbind the event."))
(defmethod set-on-resize ((obj clog-obj) handler)
(set-on-event obj "resize" handler))
;;;;;;;;;;;;;;;;;;
;; set-on-focus ;;
;;;;;;;;;;;;;;;;;;
(defgeneric set-on-focus (clog-obj on-focus-handler)
(:documentation "Set the ON-FOCUS-HANDLER for CLOG-OBJ. If ON-FOCUS-HANDLER
is nil unbind the event."))
(defmethod set-on-focus ((obj clog-obj) handler)
(set-on-event obj "focus" handler))
;;;;;;;;;;;;;;;;;
;; set-on-blur ;;
;;;;;;;;;;;;;;;;;
(defgeneric set-on-blur (clog-obj on-blur-handler)
(:documentation "Set the ON-BLUR-HANDLER for CLOG-OBJ. If ON-BLUR-HANDLER
is nil unbind the event."))
(defmethod set-on-blur ((obj clog-obj) handler)
(set-on-event obj "blur" handler))
;;;;;;;;;;;;;;;;;;;
;; set-on-change ;;
;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-change (clog-obj on-change-handler)
(:documentation "Set the ON-CHANGE-HANDLER for CLOG-OBJ. If ON-CHANGE-HANDLER
is nil unbind the event."))
(defmethod set-on-change ((obj clog-obj) handler)
(set-on-event obj "change" handler))
;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-drag-start ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-drag-start (clog-obj on-drag-start-handler
&key drag-data drag-type)
(:documentation "Set the ON-DRAG-START-HANDLER for CLOG-OBJ.
If ON-DRAG-START-HANDLER is nil unbind the event."))
(defmethod set-on-drag-start ((obj clog-obj) handler
&key (drag-data "") (drag-type "text/plain"))
(set-event obj "dragstart"
(when handler
(lambda (data)
(declare (ignore data))
(funcall handler obj)))
:eval-script (format nil
"e.originalEvent.dataTransfer.setData('~A','~A'); "
drag-type
drag-data)))
;;;;;;;;;;;;;;;;;
;; set-on-drag ;;
;;;;;;;;;;;;;;;;;
(defgeneric set-on-drag (clog-obj on-drag-handler)
(:documentation "Set the ON-DRAG-HANDLER for CLOG-OBJ. If ON-DRAG-HANDLER
is nil unbind the event."))
(defmethod set-on-drag ((obj clog-obj) handler)
(set-on-event obj "drag" handler))
;;;;;;;;;;;;;;;;;;;;;
;; set-on-drag-end ;;
;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-drag-end (clog-obj on-drag-end-handler)
(:documentation "Set the ON-DRAG-END-HANDLER for CLOG-OBJ. If ON-DRAG-END-HANDLER
is nil unbind the event."))
(defmethod set-on-drag-end ((obj clog-obj) handler)
(set-on-event obj "dragend" handler))
;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-drag-enter ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-drag-enter (clog-obj on-drag-enter-handler)
(:documentation "Set the ON-DRAG-ENTER-HANDLER for CLOG-OBJ. If ON-DRAG-ENTER-HANDLER
is nil unbind the event."))
(defmethod set-on-drag-enter ((obj clog-obj) handler)
(set-on-event obj "dragenter" handler))
;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-drag-leave ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-drag-leave (clog-obj on-drag-leave-handler)
(:documentation "Set the ON-DRAG-LEAVE-HANDLER for CLOG-OBJ. If ON-DRAG-LEAVE-HANDLER
is nil unbind the event."))
(defmethod set-on-drag-leave ((obj clog-obj) handler)
(set-on-event obj "dragleave" handler))
;;;;;;;;;;;;;;;;;;;;;;
;; set-on-drag-over ;;
;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-drag-over (clog-obj on-drag-over-handler)
(:documentation "Set the ON-DRAG-OVER-HANDLER for CLOG-OBJ. If ON-DRAG-OVER-HANDLER
is nil unbind the event."))
(defmethod set-on-drag-over ((obj clog-obj) handler)
(set-event obj "dragover"
(when handler
(lambda (data)
(declare (ignore data))
(funcall handler obj)))
:cancel-event t
:eval-script "e.preventDefault(); "))
;;;;;;;;;;;;;;;;;
;; set-on-drop ;;
;;;;;;;;;;;;;;;;;
(defgeneric set-on-drop (clog-obj on-drop-handler &key drag-type)
(:documentation "Set the ON-DROP-HANDLER for CLOG-OBJ. If ON-DROP-HANDLER
is nil unbind the event."))
(defmethod set-on-drop ((obj clog-obj) handler &key (drag-type "text/plain"))
(set-event obj "drop"
(when handler
(lambda (data)
(funcall handler obj (parse-drop-event data))))
:call-back-script (format nil drop-event-script drag-type)
:eval-script "e.preventDefault(); "
:cancel-event t))
;;;;;;;;;;;;;;;;;;;;;
;; set-on-focus-in ;;
;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-focus-in (clog-obj on-focus-in-handler)
(:documentation "Set the ON-FOCUS-IN-HANDLER for CLOG-OBJ. If
ON-FOCUS-IN-HANDLER is nil unbind the event."))
(defmethod set-on-focus-in ((obj clog-obj) handler)
(set-on-event obj "focusin" handler))
;;;;;;;;;;;;;;;;;;;;;;
;; set-on-focus-out ;;
;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-focus-out (clog-obj on-focus-out-handler)
(:documentation "Set the ON-FOCUS-OUT-HANDLER for CLOG-OBJ.
If ON-FOCUS-OUT-HANDLER is nil unbind the event."))
(defmethod set-on-focus-out ((obj clog-obj) handler)
(set-on-event obj "focusout" handler))
;;;;;;;;;;;;;;;;;;
;; set-on-reset ;;
;;;;;;;;;;;;;;;;;;
(defgeneric set-on-reset (clog-obj on-reset-handler)
(:documentation "Set the ON-RESET-HANDLER for CLOG-OBJ. If ON-RESET-HANDLER
is nil unbind the event. This event is activated by using reset on a form. If
this even is bound, you must call the form reset manually."))
(defmethod set-on-reset ((obj clog-obj) handler)
(set-event obj "reset"
(when handler
(lambda (data)
(declare (ignore data))
(funcall handler obj)))
:cancel-event t))
;;;;;;;;;;;;;;;;;;;
;; set-on-search ;;
;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-search (clog-obj on-search-handler)
(:documentation "Set the ON-SEARCH-HANDLER for CLOG-OBJ. If ON-SEARCH-HANDLER
is nil unbind the event."))
(defmethod set-on-search ((obj clog-obj) handler)
(set-on-event obj "search" handler))
;;;;;;;;;;;;;;;;;;;
;; set-on-select ;;
;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-select (clog-obj on-select-handler)
(:documentation "Set the ON-SELECT-HANDLER for CLOG-OBJ. If ON-SELECT-HANDLER
is nil unbind the event."))
(defmethod set-on-select ((obj clog-obj) handler)
(set-on-event obj "select" handler))
;;;;;;;;;;;;;;;;;;;
;; set-on-submit ;;
;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-submit (clog-obj on-submit-handler)
(:documentation "Set the ON-SUBMIT-HANDLER for CLOG-OBJ. If ON-SUBMIT-HANDLER
is nil unbind the event. This event is activated by using submit on a form. If
this event is bound, you must call the (submit clog-form) manually if wish the
form action to be run. See CLOG-Form SUBMIT for more details."))
(defmethod set-on-submit ((obj clog-obj) handler)
(set-event obj "submit"
(when handler
(lambda (data)
(declare (ignore data))
(funcall handler obj)))
:cancel-event t))
;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-context-menu ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-context-menu (clog-obj on-context-menu-handler
&key one-time)
(:documentation "Set the ON-CONTEXT-MENU-HANDLER for CLOG-OBJ. If
ON-CONTEXT-MENU-HANDLER is nil unbind the event. Setting
on-mouse-right-click will replace this handler. If :ONE-TIME unbind
event on right click."))
(defmethod set-on-context-menu ((obj clog-obj) handler &key (one-time nil))
(set-event obj "contextmenu"
(when handler
(lambda (data)
(declare (ignore data))
(funcall handler obj)))
:one-time one-time
:cancel-event t))
;;;;;;;;;;;;;;;;;;
;; set-on-click ;;
;;;;;;;;;;;;;;;;;;
(defgeneric set-on-click (clog-obj on-click-handler &key one-time)
(:documentation "Set the ON-CLICK-HANDLER for CLOG-OBJ. If ON-CLICK-HANDLER
is nil unbind the event. Setting this event will replace an on-mouse click if
set. If :ONE-TIME unbind event on click."))
(defmethod set-on-click ((obj clog-obj) handler &key (one-time nil))
(set-event obj "click"
(when handler
(lambda (data)
(declare (ignore data))
(funcall handler obj)))
:one-time one-time))
;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-double-click ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-double-click (clog-obj on-double-click-handler
&key one-time)
(:documentation "Set the ON-DOUBLE-CLICK-HANDLER for CLOG-OBJ. If
ON-DOUBLE-CLICK-HANDLER is nil unbind the event. Setting the
on-mouse-double-click event will replace this handler."))
(defmethod set-on-double-click ((obj clog-obj) handler &key (one-time nil))
(set-event obj "dblclick"
(when handler
(lambda (data)
(declare (ignore data))
(funcall handler obj)))
:one-time one-time))
;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-mouse-click ;;
;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-mouse-click (clog-obj on-mouse-click-handler &key one-time)
(:documentation "Set the ON-MOUSE-CLICK-HANDLER for CLOG-OBJ. If
ON-MOUSE-CLICK-HANDLER is nil unbind the event. Setting this event will replace
on an on-click event."))
(defmethod set-on-mouse-click ((obj clog-obj) handler &key (one-time nil))
(set-event obj "click"
(when handler
(lambda (data)
(funcall handler obj (parse-mouse-event data))))
:one-time one-time
:call-back-script mouse-event-script))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-mouse-double-click ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-mouse-double-click (clog-obj on-mouse-double-click-handler
&key one-time)
(:documentation "Set the ON-MOUSE-DOUBLE-CLICK-HANDLER for CLOG-OBJ. If
ON-MOUSE-DOUBLE-CLICK-HANDLER is nil unbind the event. Setting this event will
replace on an on-double-click event."))
(defmethod set-on-mouse-double-click ((obj clog-obj) handler &key (one-time nil))
(set-event obj "dblclick"
(when handler
(lambda (data)
(funcall handler obj (parse-mouse-event data))))
:one-time one-time
:call-back-script mouse-event-script))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-mouse-right-click ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-mouse-right-click (clog-obj on-mouse-right-click-handler
&key one-time)
(:documentation "Set the ON-MOUSE-RIGHT-CLICK-HANDLER for CLOG-OBJ. If
ON-MOUSE-RIGHT-CLICK-HANDLER is nil unbind the event. Setting this event will
replace on an on-context-menu event."))
(defmethod set-on-mouse-right-click ((obj clog-obj) handler
&key (one-time nil))
(set-event obj "contextmenu"
(when handler
(lambda (data)
(funcall handler obj (parse-mouse-event data))))
:one-time one-time
:call-back-script mouse-event-script
:cancel-event t))
;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-mouse-enter ;;
;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-mouse-enter (clog-obj on-mouse-enter-handler)
(:documentation "Set the ON-MOUSE-ENTER-HANDLER for CLOG-OBJ. If ON-MOUSE-ENTER-HANDLER
is nil unbind the event."))
(defmethod set-on-mouse-enter ((obj clog-obj) handler)
(set-on-event obj "mouseenter" handler))
;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-mouse-leave ;;
;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-mouse-leave (clog-obj on-mouse-leave-handler)
(:documentation "Set the ON-MOUSE-LEAVE-HANDLER for CLOG-OBJ. If ON-MOUSE-LEAVE-HANDLER
is nil unbind the event."))
(defmethod set-on-mouse-leave ((obj clog-obj) handler)
(set-on-event obj "mouseleave" handler))
;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-mouse-over ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-mouse-over (clog-obj on-mouse-over-handler)
(:documentation "Set the ON-MOUSE-OVER-HANDLER for CLOG-OBJ. If ON-MOUSE-OVER-HANDLER
is nil unbind the event."))
(defmethod set-on-mouse-over ((obj clog-obj) handler)
(set-on-event obj "mouseover" handler))
;;;;;;;;;;;;;;;;;;;;;;
;; set-on-mouse-out ;;
;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-mouse-out (clog-obj on-mouse-out-handler)
(:documentation "Set the ON-MOUSE-OUT-HANDLER for CLOG-OBJ. If ON-MOUSE-OUT-HANDLER
is nil unbind the event."))
(defmethod set-on-mouse-out ((obj clog-obj) handler)
(set-on-event obj "mouseout" handler))
;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-mouse-down ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-mouse-down (clog-obj on-mouse-down-handler &key one-time)
(:documentation "Set the ON-MOUSE-DOWN-HANDLER for CLOG-OBJ. If
ON-MOUSE-DOWN-HANDLER is nil unbind the event."))
(defmethod set-on-mouse-down ((obj clog-obj) handler &key (one-time nil))
(set-event obj "mousedown"
(when handler
(lambda (data)
(funcall handler obj (parse-mouse-event data))))
:one-time one-time
:call-back-script mouse-event-script))
;;;;;;;;;;;;;;;;;;;;;
;; set-on-mouse-up ;;
;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-mouse-up (clog-obj on-mouse-up-handler)
(:documentation "Set the ON-MOUSE-UP-HANDLER for CLOG-OBJ. If
ON-MOUSE-UP-HANDLER is nil unbind the event."))
(defmethod set-on-mouse-up ((obj clog-obj) handler)
(set-event obj "mouseup"
(when handler
(lambda (data)
(funcall handler obj (parse-mouse-event data))))
:call-back-script mouse-event-script))
;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-mouse-move ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-mouse-move (clog-obj on-mouse-move-handler)
(:documentation "Set the ON-MOUSE-MOVE-HANDLER for CLOG-OBJ. If
ON-MOUSE-MOVE-HANDLER is nil unbind the event."))
(defmethod set-on-mouse-move ((obj clog-obj) handler)
(set-event obj "mousemove"
(when handler
(lambda (data)
(funcall handler obj (parse-mouse-event data))))
:call-back-script mouse-event-script))
;;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-pointer-enter ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-pointer-enter (clog-obj on-pointer-enter-handler)
(:documentation "Set the ON-POINTER-ENTER-HANDLER for CLOG-OBJ. If ON-POINTER-ENTER-HANDLER
is nil unbind the event."))
(defmethod set-on-pointer-enter ((obj clog-obj) handler)
(set-on-event obj "pointerenter" handler))
;;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-pointer-leave ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-pointer-leave (clog-obj on-pointer-leave-handler)
(:documentation "Set the ON-POINTER-LEAVE-HANDLER for CLOG-OBJ. If ON-POINTER-LEAVE-HANDLER
is nil unbind the event."))
(defmethod set-on-pointer-leave ((obj clog-obj) handler)
(set-on-event obj "pointerleave" handler))
;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-pointer-over ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-pointer-over (clog-obj on-pointer-over-handler)
(:documentation "Set the ON-POINTER-OVER-HANDLER for CLOG-OBJ. If ON-POINTER-OVER-HANDLER
is nil unbind the event."))
(defmethod set-on-pointer-over ((obj clog-obj) handler)
(set-on-event obj "pointerover" handler))
;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-pointer-out ;;
;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-pointer-out (clog-obj on-pointer-out-handler)
(:documentation "Set the ON-POINTER-OUT-HANDLER for CLOG-OBJ. If ON-POINTER-OUT-HANDLER
is nil unbind the event."))
(defmethod set-on-pointer-out ((obj clog-obj) handler)
(set-on-event obj "pointerout" handler))
;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-pointer-down ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-pointer-down (clog-obj on-pointer-down-handler
&key capture-pointer one-time)
(:documentation "Set the ON-POINTER-DOWN-HANDLER for CLOG-OBJ. If
ON-POINTER-DOWN-HANDLER is nil unbind the event."))
(defmethod set-on-pointer-down ((obj clog-obj) handler
&key (capture-pointer nil) (one-time nil))
(set-event obj "pointerdown"
(when handler
(lambda (data)
(funcall handler obj (parse-pointer-event data))))
:post-eval (if capture-pointer
(format nil "; ~A.setPointerCapture(e.pointerId)"
(script-id obj))
"")
:one-time one-time
:call-back-script pointer-event-script))
;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-pointer-up ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-pointer-up (clog-obj on-pointer-up-handler)
(:documentation "Set the ON-POINTER-UP-HANDLER for CLOG-OBJ. If
ON-POINTER-UP-HANDLER is nil unbind the event."))
(defmethod set-on-pointer-up ((obj clog-obj) handler)
(set-event obj "pointerup"
(when handler
(lambda (data)
(funcall handler obj (parse-pointer-event data))))
:post-eval (format nil "; ~A.releasePointerCapture(e.pointerId)"
(script-id obj))
:call-back-script pointer-event-script))
;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-pointer-move ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-pointer-move (clog-obj on-pointer-move-handler)
(:documentation "Set the ON-POINTER-MOVE-HANDLER for CLOG-OBJ. If
ON-POINTER-MOVE-HANDLER is nil unbind the event."))
(defmethod set-on-pointer-move ((obj clog-obj) handler)
(set-event obj "pointermove"
(when handler
(lambda (data)
(funcall handler obj (parse-pointer-event data))))
:call-back-script pointer-event-script))
;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-touch-start ;;
;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-touch-start (clog-obj on-touch-start-handler &key one-time)
(:documentation "Set the ON-TOUCH-START-HANDLER for CLOG-OBJ. If
ON-TOUCH-START-HANDLER is nil unbind the event."))
(defmethod set-on-touch-start ((obj clog-obj) handler &key (one-time nil))
(set-event obj "touchstart"
(when handler
(lambda (data)
(funcall handler obj (parse-touch-event data))))
:one-time one-time
:call-back-script touch-event-script))
;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-touch-move ;;
;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-touch-move (clog-obj on-touch-move-handler)
(:documentation "Set the ON-TOUCH-MOVE-HANDLER for CLOG-OBJ. If
ON-TOUCH-MOVE-HANDLER is nil unbind the event."))
(defmethod set-on-touch-move ((obj clog-obj) handler)
(set-event obj "touchmove"
(when handler
(lambda (data)
(funcall handler obj (parse-touch-event data))))
:call-back-script touch-event-script))
;;;;;;;;;;;;;;;;;;;;;;
;; set-on-touch-end ;;
;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-touch-end (clog-obj on-touch-end-handler)
(:documentation "Set the ON-TOUCH-END-HANDLER for CLOG-OBJ. If
ON-TOUCH-END-HANDLER is nil unbind the event."))
(defmethod set-on-touch-end ((obj clog-obj) handler)
(set-event obj "touchend"
(when handler
(lambda (data)
(funcall handler obj (parse-touch-event data))))
:call-back-script touch-event-script))
;;;;;;;;;;;;;;;;;;;;;;;;;
;; set-on-touch-cancel ;;
;;;;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-touch-cancel (clog-obj on-touch-cancel-handler)
(:documentation "Set the ON-TOUCH-CANCEL-HANDLER for CLOG-OBJ. If
ON-TOUCH-CANCEL-HANDLER is nil unbind the event."))
(defmethod set-on-touch-cancel ((obj clog-obj) handler)
(set-event obj "touchcancel"
(when handler
(lambda (data)
(funcall handler obj (parse-touch-event data))))
:call-back-script touch-event-script))
;;;;;;;;;;;;;;;;;;;;;;
;; set-on-character ;;
;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-character (clog-obj on-character-handler
&key one-time disable-default)
(:documentation "Set the ON-CHARACTER-HANDLER for CLOG-OBJ. If
ON-CHARACTER-HANDLER is nil unbind the event. If disable-default is t
default key bindings in browser will not occur. Setting this event to
nil will unbind on-key-press also."))
(defmethod set-on-character ((obj clog-obj) handler
&key (one-time nil) (disable-default nil))
(set-event obj "keypress"
(when handler
(lambda (data)
(let ((f (parse-keyboard-event data)))
(funcall handler obj (code-char (getf f :char-code))))))
:one-time one-time
:cancel-event disable-default
:call-back-script keyboard-event-script))
;;;;;;;;;;;;;;;;;;;;;
;; set-on-key-down ;;
;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-key-down (clog-obj on-key-down-handler
&key one-time disable-default)
(:documentation "Set the ON-KEY-DOWN-HANDLER for CLOG-OBJ. If
disable-default is t default key bindings in browser will not occur.
If ON-KEY-DOWN-HANDLER is nil unbind the event."))
(defmethod set-on-key-down ((obj clog-obj) handler
&key (one-time nil) (disable-default nil))
(set-event obj "keydown"
(when handler
(lambda (data)
(funcall handler obj (parse-keyboard-event data))))
:one-time one-time
:cancel-event disable-default
:call-back-script keyboard-event-script))
;;;;;;;;;;;;;;;;;;;
;; set-on-key-up ;;
;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-key-up (clog-obj on-key-up-handler &key one-time)
(:documentation "Set the ON-KEY-UP-HANDLER for CLOG-OBJ. If
ON-KEY-UP-HANDLER is nil unbind the event."))
(defmethod set-on-key-up ((obj clog-obj) handler &key (one-time nil))
(set-event obj "keyup"
(when handler
(lambda (data)
(funcall handler obj (parse-keyboard-event data))))
:one-time one-time
:call-back-script keyboard-event-script))
;;;;;;;;;;;;;;;;;;;;;;
;; set-on-key-press ;;
;;;;;;;;;;;;;;;;;;;;;;
(defgeneric set-on-key-press (clog-obj on-key-press-handler
&key one-time disable-default)
(:documentation "Set the ON-KEY-PRESS-HANDLER for CLOG-OBJ. If
ON-KEY-PRESS-HANDLER is nil unbind the event."))
(defmethod set-on-key-press ((obj clog-obj) handler
&key (one-time nil) (disable-default nil))
(set-event obj "keypress"
(when handler
(lambda (data)
(funcall handler obj (parse-keyboard-event data))))
:one-time one-time
:cancel-event disable-default
:call-back-script keyboard-event-script))
;;;;;;;;;;;;;;;;;
;; set-on-copy ;;
;;;;;;;;;;;;;;;;;
(defgeneric set-on-copy (clog-obj on-copy-handler)
(:documentation "Set the ON-COPY-HANDLER for CLOG-OBJ. If ON-COPY-HANDLER
is nil unbind the event."))
(defmethod set-on-copy ((obj clog-obj) handler)
(set-on-event obj "copy" handler))
;;;;;;;;;;;;;;;;
;; set-on-cut ;;
;;;;;;;;;;;;;;;;
(defgeneric set-on-cut (clog-obj on-cut-handler)
(:documentation "Set the ON-CUT-HANDLER for CLOG-OBJ. If ON-CUT-HANDLER
is nil unbind the event."))
(defmethod set-on-cut ((obj clog-obj) handler)
(set-on-event obj "cut" handler))
;;;;;;;;;;;;;;;;;;
;; set-on-paste ;;
;;;;;;;;;;;;;;;;;;
(defgeneric set-on-paste (clog-obj handler)
(:documentation "Set the ON-PASTE-HANDLER for CLOG-OBJ. If ON-PASTE-HANDLER
is nil unbind the event."))
(defmethod set-on-paste ((obj clog-obj) handler)
(set-on-event obj "paste" handler))