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devilry-mode.el
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devilry-mode.el
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(setq dm-source-dir (file-name-directory load-file-name))
;; To tidy up a buffer, created by simenheg
(defun tidy ()
(interactive)
(let ((beg (if (region-active-p) (region-beginning) (point-min)))
(end (if (region-active-p) (region-end) (point-max))))
(indent-region beg end)
(whitespace-cleanup)
(untabify beg (if (< end (point-max)) end (point-max)))))
;; Tidy all buffers that are not read-only
(defun tidy-all-buffers()
(dolist (buffer (buffer-list))
(with-current-buffer buffer
(switch-to-buffer buffer) ; this is probably not necessary
(when (eq buffer-read-only nil)
(tidy)))))
;; Yank inside devilry-markdown code block
(defun dm-yank-java-block()
(interactive)
(let ((src (current-kill 0)))
(insert (concat "```java\n" src "\n```\n"))))
;; Activating markdown-mode if installed
(defun safe-markdown-mode()
(when (require 'markdown-mode nil 'noerror)
(markdown-mode)))
;; Kill everything without saving
(defun desktop-hard-clear ()
(interactive)
(when (y-or-n-p (concat "Close all buffers without saving?"))
(dolist (buffer (buffer-list))
(let ((process (get-buffer-process buffer)))
(when process (process-kill-without-query process))
(set-buffer buffer)
(set-buffer-modified-p nil)
(kill-this-buffer)))
(delete-other-windows)))
;; Shows readme buffer if it exists
;; This is kind of horrible
(defun dm-show-readme()
(mapc (lambda (buf)
(when (eq (string-match "readme" (buffer-name buf)) 0)
(switch-to-buffer buf)
(read-only-mode)))
(buffer-list)))
;; Inserts the template and adds username et end of first line
(defun dm-insert-template (username file-path)
(insert-file-contents file-path)
(move-end-of-line nil)
(insert " - " username)
(end-of-buffer)
(insert (concat "\nCorrected: " (current-time-string)))
(beginning-of-buffer))
;; Create a new feedback file in the right folder
;; Splits windows and shows the previous feedback file
;; Opens all previous feedback files, but don't show them
(defun dm-create-new-and-show-old-feedback()
;; Getting username from the the file path of the current buffer
;; Ask until we get a valid username
(setq username (dm-get-username))
(while (not (yes-or-no-p (concat "Correcting \"" username "\" Is this a valid username?")))
(when dm-easy-file-system
(message "The variable \"easy-file-system\" is currently \"t\""
"but the files are not organized this way.\n"
"Consider setting the variable \""
"easy-file-system to \"nil\" in devilry-mode.settings"))
(setq username (read-string "Type the correct username: ")))
(while (not (file-exists-p (concat dm-feedback-dir-path username)))
(if (yes-or-no-p (concat "Can't find directory \"" dm-feedback-dir-path username "\". Create it?"))
(make-directory (concat dm-feedback-dir-path username) t)
(setq username (read-string
(concat "Please give a valid username. (Must be a folder in path \""
dm-feedback-dir-path "\"): ")))))
;; Calculate path to new and previous feedback file
(let* ((user-feedback-dir (concat dm-feedback-dir-path username "/"))
(newFilePath (concat user-feedback-dir dm-assignment-number ".txt"))
(prevFilePath (concat user-feedback-dir "/"
(number-to-string (- (string-to-number dm-assignment-number) 1)) ".txt")))
;; Split screen to open feedback files on the right
(with-selected-window (split-window-right)
;; Open all feedback files in the background
(dolist (file (directory-files user-feedback-dir t))
(unless (file-directory-p file)
(find-file-read-only file)
(visual-line-mode)
(safe-markdown-mode)))
;; Create new feedback-file or open it if it exists
(find-file newFilePath)
(setq buffer-read-only nil)
;; Check if we have been editing this feedback file before
(when (eq (buffer-size) 0)
(dm-insert-template username dm-feedback-template-path))
;; Activate markdown-mode if installed
(safe-markdown-mode)
;; Split window again if old feedback-file exists
(when (file-exists-p prevFilePath)
(with-selected-window (split-window-below)
(find-file prevFilePath)
(visual-line-mode)
(end-of-buffer)
;; Activating markdown-mode
(safe-markdown-mode)))
;; Activate visual-line-mode to make sure text wrap is good
(visual-line-mode))))
;; Try to compile .java files, shows eventual errors in new split window below.
;; It is the last modified window or something, tried to hack it. It somehow works
(defun dm-compile-all-open-java-files ()
;; Find the first java buffer, switch to it, compile all from there
;; to make sure we are in the correct directory
(dolist (buf (buffer-list))
(let ((buf-name (buffer-name buf)))
(when (string= (substring buf-name -5) ".java")
(with-current-buffer buf
(shell-command "javac *.java")
;; Show eventual errors from compilation in window below
(if (> (buffer-size (get-buffer "*Shell Command Output*")) 0)
(let ((output-window (split-window-below)))
(message "Compilation gave errors.")
(with-selected-window output-window
(pop-to-buffer-same-window "*Shell Command Output*")))
;; If compilation completed delete .class files
(when dm-rm-class-files
(message "Deleting class files.")
(if (eq system-type 'windows-nt)
(shell-command "del *.class")
(shell-command "rm *.class")))
(message "Compilation completed sucessfully.")))
(return)))))
;; Compile all java files
;; Remove output .class files
;; Find README and switch to that buffer
(defun dm-do-oblig ()
(interactive)
(delete-other-windows)
;; Indent code automatically. Is set at the top of this file.
(when dm-auto-indentation (tidy-all-buffers))
;; Create new and show previous feedback files on the right
(dm-create-new-and-show-old-feedback)
;; Show readme if it exists
(dm-show-readme)
;; Compile .java files
(when dm-java-compilation
(dm-compile-all-open-java-files)))
;; Writes updated data to file
(defun write-settings-file (file-path)
;; Construct data-string for file-insertion
(let ((str (concat
"feedback-dir-path " dm-feedback-dir-path "\n"
"feedback-template-path " dm-feedback-template-path "\n"
"assignment-number " dm-assignment-number "\n"
"easy-file-system " (symbol-name dm-easy-file-system) "\n"
"rm-class-files " (symbol-name dm-rm-class-files) "\n"
"java-compilation " (symbol-name dm-java-compilation) "\n"
"auto-indentation " (symbol-name dm-auto-indentation)
)))
;; Write to file
(write-region str nil file-path)
(message "Updated settings file (devilry-mode.settings)")))
;; Get data from settings file
(defun dm-read-settings-file (file-path)
;; List of accepted keywords
(let ((keywords (list "feedback-dir-path"
"feedback-template-path"
"easy-file-system"
"java-compilation"
"rm-class-files"
"auto-indentation"
"assignment-number")))
;; Create variables of the keywords with prefix dm-
(dolist (keyword keywords)
(set (intern (concat "dm-" keyword)) nil))
;; Set some default values
(setq
dm-easy-file-system nil
dm-java-compilation t
dm-rm-class-files nil
dm-auto-indentation nil
)
;; Read settings file and set variables
(with-temp-buffer
(when (file-exists-p file-path)
(insert-file-contents file-path)
;; For each line on the file
(dolist (line (split-string
(buffer-substring-no-properties
(point-min)
(point-max))
"\n" t))
;; Split line on space, set keyword to first,
(let ((keyword (car (split-string line " ")))
(value (reduce (lambda (x y) (concat x " " y))
(cdr (split-string line " ")))))
(if (not (member keyword keywords))
(message "ERROR: The keyword %s in the settings file is not a valid keyword." keyword)
(if (null value)
(message "ERROR: The keyword %s in the settings file has no value." keyword)
;; Set the correct variable to t, nil or a string
(message "Sat %s to %s" (intern (concat "dm-" keyword)) value)
(set (intern (concat "dm-" keyword))
(cond ((string-equal value "t") t)
((string-equal value "nil") nil)
(t value)))))))))))
;; Initiates the system
(defun dm-init ()
(let ((settings-file (concat dm-source-dir "devilry-mode.settings")))
(dm-read-settings-file settings-file)
;; Check if we need to write to file
(let ((data-updated nil))
;; Check if not file exists
(if (not (file-exists-p settings-file))
(progn
(setq dm-assignment-number
(read-string (concat "Settings file " settings-file " does not exist, creating it now:\n"
"Assignment number: ")))
(setq dm-feedback-dir-path
(read-directory-name "Path to feedback directory: "))
(setq dm-feedback-template-path
(read-file-name "Path to feedback template: "))
(setq data-updated t))
;; Check if user wants to update data
(when (y-or-n-p (concat "Change assignment number? (is " dm-assignment-number ") "))
(setq dm-assignment-number (read-string "Assignment number: "))
(setq data-updated t))
(when (y-or-n-p (concat "Change feedback directory? (is " dm-feedback-dir-path ") "))
(setq dm-feedback-dir-path (read-directory-name "Path to feedback directory: "))
(setq data-updated t))
(when (y-or-n-p (concat "Change feedback template path? (is " dm-feedback-template-path ") "))
(setq dm-feedback-template-path (read-file-name "Path to feedback template: "))
(setq data-updated t)))
;; Check if the paths are valid, if not, ask to create directories
(while (not (file-exists-p dm-feedback-dir-path))
(if (yes-or-no-p (concat "Feedback directory does not exist (" dm-feedback-dir-path "). Create it? "))
(make-directory dm-feedback-dir-path t)
(setq dm-feedback-dir-path (read-directory-name "Path to feedback directory: "))))
(while (not (file-exists-p dm-feedback-template-path))
(if (yes-or-no-p (concat "Feedback template does not exist (" dm-feedback-template-path "). Create it? "))
(progn
;; Creating feedback file, making sure the parent directories exist
(let ((parent-dir (file-name-directory dm-feedback-template-path)))
(unless (file-exists-p parent-dir)
(make-directory parent-dir t)))
(write-region (concat "# INF1000 - Assignment " dm-assignment-number "\n"
"## Exercise 1\n## Exercise 2\n## Exercise 3\n\n"
"## Generally:\n\n\n### **Approved**")
nil dm-feedback-template-path))
(setq dm-feedback-template-path (read-file-name "Path to feedback template: "))))
;; If we have new varables or could not find data we have to write to file
(when data-updated
(write-settings-file settings-file)))))
;; Self explanatory
(defun reverse-string (str)
(apply
'string
(reverse (string-to-list str))))
;; Fetches username from the path of the current buffer file.
(defun dm-get-username ()
;; Support for windows backslash instead of slash.
(let ((system-file-separator
(if (eq system-type 'windows-nt)
(string ?\\)
"/")))
(if dm-easy-file-system
(reverse-string
(nth 1
(split-string (reverse-string (buffer-file-name)) system-file-separator)))
(car
(split-string
(reverse-string
(nth 3
(split-string
(reverse-string (buffer-file-name)) system-file-separator))) " ")))))
;; The mode
(define-minor-mode devilry-mode
nil
:lighter " Devilry"
:global t
:init-value nil
:keymap (let ((map (make-sparse-keymap)))
(define-key map (kbd "<f5>") 'dm-do-oblig)
(define-key map (kbd "<f6>") 'desktop-hard-clear)
(define-key map (kbd "C-, y") 'dm-yank-java-block)
map)
;; This will be run every time the mode is toggled on or off
;; If we toggled the mode on, run init function
(when (and devilry-mode (boundp 'devilry-mode))
(dm-init)))
(provide 'devilry-mode)