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e565dd3789
* lisp/calendar/calendar.el (calendar-customized-p): New function. (calendar-abbrev-construct, calendar-make-alist): Change what it does. (calendar-day-name-array, calendar-month-name-array): Doc fix. Add :set function. (calendar-abbrev-length, calendar-day-abbrev-array) (calendar-month-abbrev-array): Make defcustoms, with appropriate :set. (calendar-day-abbrev-array, calendar-month-abbrev-array): Elements may no longer be nil. (calendar-day-name, calendar-month-name): Update for changed nature of abbrev arrays. * calendar/diary-lib.el (diary-name-pattern): Update for changed nature of abbrev arrays. (diary-mark-entries-1): Update calendar-make-alist calls. (diary-font-lock-date-forms): Doc fix for changed abbrev arrays. * calendar/cal-html.el (cal-html-day-abbrev-array): Simply inherit from calendar-day-abbrev-array. * etc/NEWS: Mention this.
451 lines
16 KiB
EmacsLisp
451 lines
16 KiB
EmacsLisp
;;; cal-html.el --- functions for printing HTML calendars
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;; Copyright (C) 2002-2011 Free Software Foundation, Inc.
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;; Author: Anna M. Bigatti <bigatti@dima.unige.it>
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;; Keywords: calendar
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;; Human-Keywords: calendar, diary, HTML
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;; Created: 23 Aug 2002
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;; Package: calendar
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This package writes HTML calendar files using the user's diary
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;; file. See the Emacs manual for details.
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;;; Code:
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(require 'calendar)
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(defgroup calendar-html nil
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"Options for HTML calendars."
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:prefix "cal-html-"
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:group 'calendar)
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(defcustom cal-html-directory "~/public_html"
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"Directory for HTML pages generated by cal-html."
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:type 'string
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:group 'calendar-html)
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(defcustom cal-html-print-day-number-flag nil
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"Non-nil means print the day-of-the-year number in the monthly cal-html page."
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:type 'boolean
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:group 'calendar-html)
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(defcustom cal-html-year-index-cols 3
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"Number of columns in the cal-html yearly index page."
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:type 'integer
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:group 'calendar-html)
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(defcustom cal-html-day-abbrev-array calendar-day-abbrev-array
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"Array of seven strings for abbreviated day names (starting with Sunday)."
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:set-after '(calendar-day-abbrev-array)
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:type '(vector (string :tag "Sun")
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(string :tag "Mon")
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(string :tag "Tue")
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(string :tag "Wed")
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(string :tag "Thu")
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(string :tag "Fri")
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(string :tag "Sat"))
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:group 'calendar-html)
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(defcustom cal-html-css-default
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(concat
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"<STYLE TYPE=\"text/css\">\n"
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" BODY { background: #bde; }\n"
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" H1 { text-align: center; }\n"
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" TABLE { padding: 2pt; }\n"
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" TH { background: #dee; }\n"
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" TABLE.year { width: 100%; }\n"
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" TABLE.agenda { width: 100%; }\n"
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" TABLE.header { width: 100%; text-align: center; }\n"
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" TABLE.minical TD { background: white; text-align: center; }\n"
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" TABLE.agenda TD { background: white; text-align: left; }\n"
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" TABLE.agenda TH { text-align: left; width: 20%; }\n"
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" SPAN.NO-YEAR { color: #0b3; font-weight: bold; }\n"
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" SPAN.ANN { color: #0bb; font-weight: bold; }\n"
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" SPAN.BLOCK { color: #048; font-style: italic; }\n"
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"</STYLE>\n\n")
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"Default cal-html css style. You can override this with a \"cal.css\" file."
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:type 'string
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:group 'calendar-html)
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;;; End customizable variables.
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;;; HTML and CSS code constants.
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(defconst cal-html-e-document-string "<BR><BR>\n</BODY>\n</HTML>"
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"HTML code for end of page.")
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(defconst cal-html-b-tablerow-string "<TR>\n"
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"HTML code for beginning of table row.")
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(defconst cal-html-e-tablerow-string "</TR>\n"
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"HTML code for end of table row.")
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(defconst cal-html-b-tabledata-string " <TD>"
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"HTML code for beginning of table data.")
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(defconst cal-html-e-tabledata-string " </TD>\n"
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"HTML code for end of table data.")
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(defconst cal-html-b-tableheader-string " <TH>"
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"HTML code for beginning of table header.")
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(defconst cal-html-e-tableheader-string " </TH>\n"
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"HTML code for end of table header.")
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(defconst cal-html-e-table-string
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"</TABLE>\n<!-- ================================================== -->\n"
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"HTML code for end of table.")
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(defconst cal-html-minical-day-format " <TD><a href=%s#%d>%d</TD>\n"
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"HTML code for a day in the minical - links NUM to month-page#NUM.")
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(defconst cal-html-b-document-string
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(concat
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"<HTML>\n"
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"<HEAD>\n"
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"<TITLE>Calendar</TITLE>\n"
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"<!--This buffer was produced by cal-html.el-->\n\n"
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cal-html-css-default
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"<LINK REL=\"stylesheet\" TYPE=\"text/css\" HREF=\"cal.css\">\n"
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"</HEAD>\n\n"
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"<BODY>\n\n")
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"Initial block for html page.")
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(defconst cal-html-html-subst-list
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'(("&" . "&")
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("\n" . "<BR>\n"))
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"Alist of symbols and their HTML replacements.")
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(defun cal-html-comment (string)
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"Return STRING as html comment."
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(format "<!-- ====== %s ====== -->\n"
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(replace-regexp-in-string "--" "++" string)))
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(defun cal-html-href (link string)
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"Return a hyperlink to url LINK with text STRING."
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(format "<A HREF=\"%s\">%s</A>" link string))
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(defun cal-html-h3 (string)
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"Return STRING as html header h3."
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(format "\n <H3>%s</H3>\n" string))
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(defun cal-html-h1 (string)
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"Return STRING as html header h1."
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(format "\n <H1>%s</H1>\n" string))
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(defun cal-html-th (string)
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"Return STRING as html table header."
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(format "%s%s%s" cal-html-b-tableheader-string string
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cal-html-e-tableheader-string))
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(defun cal-html-b-table (arg)
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"Return table tag with attribute ARG."
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(format "\n<TABLE %s>\n" arg))
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(defun cal-html-monthpage-name (month year)
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"Return name of html page for numeric MONTH and four-digit YEAR.
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For example, \"2006-08.html\" for 8 2006."
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(format "%d-%.2d.html" year month))
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(defun cal-html-insert-link-monthpage (month year &optional change-dir)
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"Insert a link to the html page for numeric MONTH and four-digit YEAR.
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If optional argument CHANGE-DIR is non-nil and MONTH is 1 or 2,
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the link points to a different year and so has a directory part."
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(insert (cal-html-h3
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(cal-html-href
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(concat (and change-dir
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(member month '(1 12))
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(format "../%d/" year))
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(cal-html-monthpage-name month year))
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(calendar-month-name month)))))
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(defun cal-html-insert-link-yearpage (month year)
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"Insert a link tagged with MONTH name, to index page for four-digit YEAR."
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(insert (cal-html-h1
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(format "%s %s"
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(calendar-month-name month)
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(cal-html-href "index.html" (number-to-string year))))))
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(defun cal-html-year-dir-ask-user (year)
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"Prompt for the html calendar output directory for four-digit YEAR.
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Return the expanded directory name, which is based on
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`cal-html-directory' by default."
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(expand-file-name (read-directory-name
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"Enter HTML calendar directory name: "
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(expand-file-name (format "%d" year)
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cal-html-directory))))
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;;------------------------------------------------------------
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;; page header
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;;------------------------------------------------------------
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(defun cal-html-insert-month-header (month year)
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"Insert the header for the numeric MONTH page for four-digit YEAR.
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Contains links to previous and next month and year, and current minical."
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(insert (cal-html-b-table "class=header"))
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(insert cal-html-b-tablerow-string)
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(insert cal-html-b-tabledata-string) ; month links
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(calendar-increment-month month year -1) ; previous month
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(cal-html-insert-link-monthpage month year t) ; t --> change-dir
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(calendar-increment-month month year 1) ; current month
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(cal-html-insert-link-yearpage month year)
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(calendar-increment-month month year 1) ; next month
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(cal-html-insert-link-monthpage month year t) ; t --> change-dir
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(insert cal-html-e-tabledata-string)
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(insert cal-html-b-tabledata-string) ; minical
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(calendar-increment-month month year -1)
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(cal-html-insert-minical month year)
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(insert cal-html-e-tabledata-string)
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(insert cal-html-e-tablerow-string) ; end
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(insert cal-html-e-table-string))
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;;------------------------------------------------------------
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;; minical: a small month calendar with links
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;;------------------------------------------------------------
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(defun cal-html-insert-minical (month year)
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"Insert a minical for numeric MONTH of YEAR."
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(let* ((blank-days ; at start of month
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(mod (- (calendar-day-of-week (list month 1 year))
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calendar-week-start-day)
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7))
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(last (calendar-last-day-of-month month year))
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(end-blank-days ; at end of month
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(mod (- 6 (- (calendar-day-of-week (list month last year))
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calendar-week-start-day))
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7))
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(monthpage-name (cal-html-monthpage-name month year))
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date)
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;; Start writing table.
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(insert (cal-html-comment "MINICAL")
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(cal-html-b-table "class=minical border=1 align=center"))
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;; Weekdays row.
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(insert cal-html-b-tablerow-string)
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(dotimes (i 7)
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(insert (cal-html-th
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(aref cal-html-day-abbrev-array
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(mod (+ i calendar-week-start-day) 7)))))
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(insert cal-html-e-tablerow-string)
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;; Initial empty slots.
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(insert cal-html-b-tablerow-string)
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(dotimes (_i blank-days)
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(insert
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cal-html-b-tabledata-string
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cal-html-e-tabledata-string))
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;; Numbers.
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(dotimes (i last)
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(insert (format cal-html-minical-day-format monthpage-name i (1+ i)))
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;; New row?
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(if (and (zerop (mod (+ i 1 blank-days) 7))
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(/= (1+ i) last))
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(insert cal-html-e-tablerow-string
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cal-html-b-tablerow-string)))
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;; End empty slots (for some browsers like konqueror).
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(dotimes (i end-blank-days)
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(insert
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cal-html-b-tabledata-string
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cal-html-e-tabledata-string)))
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(insert cal-html-e-tablerow-string
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cal-html-e-table-string
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(cal-html-comment "MINICAL end")))
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;;------------------------------------------------------------
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;; year index page with minicals
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;;------------------------------------------------------------
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(defun cal-html-insert-year-minicals (year cols)
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"Make a one page yearly mini-calendar for four-digit YEAR.
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There are 12/cols rows of COLS months each."
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(insert cal-html-b-document-string)
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(insert (cal-html-h1 (number-to-string year)))
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(insert (cal-html-b-table "class=year")
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cal-html-b-tablerow-string)
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(dotimes (i 12)
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(insert cal-html-b-tabledata-string)
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(cal-html-insert-link-monthpage (1+ i) year)
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(cal-html-insert-minical (1+ i) year)
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(insert cal-html-e-tabledata-string)
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(if (zerop (mod (1+ i) cols))
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(insert cal-html-e-tablerow-string
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cal-html-b-tablerow-string)))
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(insert cal-html-e-tablerow-string
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cal-html-e-table-string
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cal-html-e-document-string))
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;;------------------------------------------------------------
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;; HTMLify
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;;------------------------------------------------------------
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(defun cal-html-htmlify-string (string)
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"Protect special characters in STRING from HTML.
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Characters are replaced according to `cal-html-html-subst-list'."
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(if (stringp string)
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(replace-regexp-in-string
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(regexp-opt (mapcar 'car cal-html-html-subst-list))
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(lambda (x)
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(cdr (assoc x cal-html-html-subst-list)))
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string)
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""))
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(defun cal-html-htmlify-entry (entry)
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"Convert a diary entry ENTRY to html with the appropriate class specifier."
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(let ((start
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(cond
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((string-match "block" (nth 2 entry)) "BLOCK")
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((string-match "anniversary" (nth 2 entry)) "ANN")
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((not (string-match
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(number-to-string (nth 2 (car entry)))
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(nth 2 entry)))
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"NO-YEAR")
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(t "NORMAL"))))
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(format "<span class=%s>%s</span>" start
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(cal-html-htmlify-string (cadr entry)))))
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(defun cal-html-htmlify-list (date-list date)
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"Return a string of concatenated, HTML-ified diary entries.
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DATE-LIST is a list of diary entries. Return only those matching DATE."
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(mapconcat (lambda (x) (cal-html-htmlify-entry x))
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(let (result)
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(dolist (p date-list (reverse result))
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(and (car p)
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(calendar-date-equal date (car p))
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(setq result (cons p result)))))
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"<BR>\n "))
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;;------------------------------------------------------------
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;; Monthly calendar
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;;------------------------------------------------------------
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(autoload 'diary-list-entries "diary-lib")
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(defun cal-html-list-diary-entries (d1 d2)
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"Generate a list of all diary-entries from absolute date D1 to D2."
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(diary-list-entries (calendar-gregorian-from-absolute d1)
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(1+ (- d2 d1)) t))
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(defun cal-html-insert-agenda-days (month year diary-list)
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"Insert HTML commands for a range of days in monthly calendars.
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HTML commands are inserted for the days of the numeric MONTH in
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four-digit YEAR. Diary entries in DIARY-LIST are included."
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(let ((blank-days ; at start of month
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(mod (- (calendar-day-of-week (list month 1 year))
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calendar-week-start-day)
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7))
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(last (calendar-last-day-of-month month year))
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date)
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(insert "<a name=0>\n")
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(insert (cal-html-b-table "class=agenda border=1"))
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(dotimes (i last)
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(setq date (list month (1+ i) year))
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(insert
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(format "<a name=%d></a>\n" (1+ i)) ; link
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cal-html-b-tablerow-string
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;; Number & day name.
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cal-html-b-tableheader-string
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(if cal-html-print-day-number-flag
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(format "<em>%d</em> "
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(calendar-day-number date))
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"")
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(format "%d %s" (1+ i)
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(aref calendar-day-name-array
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(calendar-day-of-week date)))
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cal-html-e-tableheader-string
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;; Diary entries.
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cal-html-b-tabledata-string
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(cal-html-htmlify-list diary-list date)
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cal-html-e-tabledata-string
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cal-html-e-tablerow-string)
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;; If end of week and not end of month, make new table.
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(if (and (zerop (mod (+ i 1 blank-days) 7))
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(/= (1+ i) last))
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(insert cal-html-e-table-string
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(cal-html-b-table
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"class=agenda border=1")))))
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(insert cal-html-e-table-string))
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(defun cal-html-one-month (month year dir)
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"Write an HTML calendar file for numeric MONTH of YEAR in directory DIR."
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(let ((diary-list (cal-html-list-diary-entries
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(calendar-absolute-from-gregorian (list month 1 year))
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(calendar-absolute-from-gregorian
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(list month
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(calendar-last-day-of-month month year)
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year)))))
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(with-temp-buffer
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(insert cal-html-b-document-string)
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(cal-html-insert-month-header month year)
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(cal-html-insert-agenda-days month year diary-list)
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(insert cal-html-e-document-string)
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(write-file (expand-file-name
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(cal-html-monthpage-name month year) dir)))))
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;;; User commands.
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;;;###cal-autoload
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(defun cal-html-cursor-month (month year dir &optional event)
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"Write an HTML calendar file for numeric MONTH of four-digit YEAR.
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The output directory DIR is created if necessary. Interactively,
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MONTH and YEAR are taken from the calendar cursor position, or from
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the position specified by EVENT. Note that any existing output files
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are overwritten."
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(interactive (let* ((event last-nonmenu-event)
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(date (calendar-cursor-to-date t event))
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(month (calendar-extract-month date))
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(year (calendar-extract-year date)))
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(list month year (cal-html-year-dir-ask-user year) event)))
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(make-directory dir t)
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(cal-html-one-month month year dir))
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;;;###cal-autoload
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(defun cal-html-cursor-year (year dir &optional event)
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"Write HTML calendar files (index and monthly pages) for four-digit YEAR.
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The output directory DIR is created if necessary. Interactively,
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YEAR is taken from the calendar cursor position, or from the position
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specified by EVENT. Note that any existing output files are overwritten."
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(interactive (let* ((event last-nonmenu-event)
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(year (calendar-extract-year
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(calendar-cursor-to-date t event))))
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(list year (cal-html-year-dir-ask-user year) event)))
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(make-directory dir t)
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(with-temp-buffer
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(cal-html-insert-year-minicals year cal-html-year-index-cols)
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(write-file (expand-file-name "index.html" dir)))
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(dotimes (i 12)
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(cal-html-one-month (1+ i) year dir)))
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(provide 'cal-html)
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;;; cal-html.el ends here
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