mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-15 09:47:20 +00:00
755 lines
24 KiB
EmacsLisp
755 lines
24 KiB
EmacsLisp
;;; chart.el --- Draw charts (bar charts, etc)
|
|
|
|
;; Copyright (C) 1996, 1998, 1999, 2001, 2004, 2005, 2007, 2008, 2009, 2010
|
|
;; Free Software Foundation, Inc.
|
|
|
|
;; Author: Eric M. Ludlam <zappo@gnu.org>
|
|
;; Version: 0.2
|
|
;; Keywords: OO, chart, graph
|
|
|
|
;; This file is part of GNU Emacs.
|
|
|
|
;; GNU Emacs is free software: you can redistribute it and/or modify
|
|
;; it under the terms of the GNU General Public License as published by
|
|
;; the Free Software Foundation, either version 3 of the License, or
|
|
;; (at your option) any later version.
|
|
|
|
;; GNU Emacs is distributed in the hope that it will be useful,
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;; GNU General Public License for more details.
|
|
|
|
;; You should have received a copy of the GNU General Public License
|
|
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
;;; Commentary:
|
|
;;
|
|
;; This package is an experiment of mine aiding in the debugging of
|
|
;; eieio, and proved to be neat enough that others may like to use
|
|
;; it. To quickly see what you can do with chart, run the command
|
|
;; `chart-test-it-all'.
|
|
;;
|
|
;; Chart current can display bar-charts in either of two
|
|
;; directions. It also supports ranged (integer) axis, and axis
|
|
;; defined by some set of strings or names. These name can be
|
|
;; automatically derived from data sequences, which are just lists of
|
|
;; anything encapsulated in a nice eieio object.
|
|
;;
|
|
;; Current example apps for chart can be accessed via these commands:
|
|
;; `chart-file-count' - count files w/ matching extensions
|
|
;; `chart-space-usage' - display space used by files/directories
|
|
;; `chart-emacs-storage' - Emacs storage units used/free (garbage-collect)
|
|
;; `chart-emacs-lists' - length of Emacs lists
|
|
;; `chart-rmail-from' - who sends you the most mail (in -summary only)
|
|
;;
|
|
;; Customization:
|
|
;;
|
|
;; If you find the default colors and pixmaps unpleasant, or too
|
|
;; short, you can change them. The variable `chart-face-color-list'
|
|
;; contains a list of colors, and `chart-face-pixmap-list' contains
|
|
;; all the pixmaps to use. The current pixmaps are those found on
|
|
;; several systems I found. The two lists should be the same length,
|
|
;; as the long list will just be truncated.
|
|
;;
|
|
;; If you would like to draw your own stipples, simply create some
|
|
;; xbm's and put them in a directory, then you can add:
|
|
;;
|
|
;; (setq x-bitmap-file-path (cons "~/mybitmaps" x-bitmap-file-path))
|
|
;;
|
|
;; to your .emacs (or wherever) and load the `chart-face-pixmap-list'
|
|
;; with all the bitmaps you want to use.
|
|
|
|
(require 'eieio)
|
|
|
|
;;; Code:
|
|
(defvar chart-map nil "Keymap used in chart mode.")
|
|
(if chart-map
|
|
()
|
|
(setq chart-map (make-sparse-keymap))
|
|
)
|
|
|
|
(defvar chart-local-object nil
|
|
"Local variable containing the locally displayed chart object.")
|
|
(make-variable-buffer-local 'chart-local-object)
|
|
|
|
(defvar chart-face-list nil
|
|
"Faces used to colorize charts.
|
|
List is limited currently, which is ok since you really can't display
|
|
too much in text characters anyways.")
|
|
|
|
(defvar chart-face-color-list '("red" "green" "blue"
|
|
"cyan" "yellow" "purple")
|
|
"Colors to use when generating `chart-face-list'.
|
|
Colors will be the background color.")
|
|
|
|
(defvar chart-face-pixmap-list
|
|
(if (and (fboundp 'display-graphic-p)
|
|
(display-graphic-p))
|
|
'("dimple1" "scales" "dot" "cross_weave" "boxes" "dimple3"))
|
|
"If pixmaps are allowed, display these background pixmaps.
|
|
Useful if new Emacs is used on B&W display.")
|
|
|
|
(defcustom chart-face-use-pixmaps nil
|
|
"*Non-nil to use fancy pixmaps in the background of chart face colors."
|
|
:group 'eieio
|
|
:type 'boolean)
|
|
|
|
(if (and (if (fboundp 'display-color-p)
|
|
(display-color-p)
|
|
window-system)
|
|
(not chart-face-list))
|
|
(let ((cl chart-face-color-list)
|
|
(pl chart-face-pixmap-list)
|
|
nf)
|
|
(while cl
|
|
(setq nf (make-face (intern (concat "chart-" (car cl) "-" (car pl)))))
|
|
(if (condition-case nil
|
|
(> (x-display-color-cells) 4)
|
|
(error t))
|
|
(set-face-background nf (car cl))
|
|
(set-face-background nf "white"))
|
|
(set-face-foreground nf "black")
|
|
(if (and chart-face-use-pixmaps
|
|
pl
|
|
(fboundp 'set-face-background-pixmap))
|
|
(condition-case nil
|
|
(set-face-background-pixmap nf (car pl))
|
|
(error (message "Cannot set background pixmap %s" (car pl)))))
|
|
(setq chart-face-list (cons nf chart-face-list))
|
|
(setq cl (cdr cl)
|
|
pl (cdr pl)))))
|
|
|
|
(defun chart-mode ()
|
|
"Define a mode in Emacs for displaying a chart."
|
|
(kill-all-local-variables)
|
|
(use-local-map chart-map)
|
|
(setq major-mode 'chart-mode
|
|
mode-name "CHART")
|
|
(buffer-disable-undo)
|
|
(set (make-local-variable 'font-lock-global-modes) nil)
|
|
(font-lock-mode -1)
|
|
(run-hooks 'chart-mode-hook)
|
|
)
|
|
|
|
(defun chart-new-buffer (obj)
|
|
"Create a new buffer NAME in which the chart OBJ is displayed.
|
|
Returns the newly created buffer."
|
|
(with-current-buffer (get-buffer-create (format "*%s*" (oref obj title)))
|
|
(chart-mode)
|
|
(setq chart-local-object obj)
|
|
(current-buffer)))
|
|
|
|
(defclass chart ()
|
|
((title :initarg :title
|
|
:initform "Emacs Chart")
|
|
(title-face :initarg :title-face
|
|
:initform 'bold-italic)
|
|
(x-axis :initarg :x-axis
|
|
:initform nil )
|
|
(x-margin :initarg :x-margin
|
|
:initform 5)
|
|
(x-width :initarg :x-width
|
|
)
|
|
(y-axis :initarg :y-axis
|
|
:initform nil)
|
|
(y-margin :initarg :y-margin
|
|
:initform 5)
|
|
(y-width :initarg :y-width
|
|
)
|
|
(key-label :initarg :key-label
|
|
:initform "Key")
|
|
(sequences :initarg :sequences
|
|
:initform nil)
|
|
)
|
|
"Superclass for all charts to be displayed in an Emacs buffer.")
|
|
|
|
(defmethod initialize-instance :AFTER ((obj chart) &rest fields)
|
|
"Initialize the chart OBJ being created with FIELDS.
|
|
Make sure the width/height is correct."
|
|
(oset obj x-width (- (window-width) 10))
|
|
(oset obj y-width (- (window-height) 12)))
|
|
|
|
(defclass chart-axis ()
|
|
((name :initarg :name
|
|
:initform "Generic Axis")
|
|
(loweredge :initarg :loweredge
|
|
:initform t)
|
|
(name-face :initarg :name-face
|
|
:initform 'bold)
|
|
(labels-face :initarg :lables-face
|
|
:initform 'italic)
|
|
(chart :initarg :chart
|
|
:initform nil)
|
|
)
|
|
"Superclass used for display of an axis.")
|
|
|
|
(defclass chart-axis-range (chart-axis)
|
|
((bounds :initarg :bounds
|
|
:initform '(0.0 . 50.0))
|
|
)
|
|
"Class used to display an axis defined by a range of values.")
|
|
|
|
(defclass chart-axis-names (chart-axis)
|
|
((items :initarg :items
|
|
:initform nil)
|
|
)
|
|
"Class used to display an axis which represents different named items.")
|
|
|
|
(defclass chart-sequece ()
|
|
((data :initarg :data
|
|
:initform nil)
|
|
(name :initarg :name
|
|
:initform "Data")
|
|
)
|
|
"Class used for all data in different charts.")
|
|
|
|
(defclass chart-bar (chart)
|
|
((direction :initarg :direction
|
|
:initform vertical))
|
|
"Subclass for bar charts (vertical or horizontal).")
|
|
|
|
(defmethod chart-draw ((c chart) &optional buff)
|
|
"Start drawing a chart object C in optional BUFF.
|
|
Erases current contents of buffer."
|
|
(save-excursion
|
|
(if buff (set-buffer buff))
|
|
(erase-buffer)
|
|
(insert (make-string 100 ?\n))
|
|
;; Start by displaying the axis
|
|
(chart-draw-axis c)
|
|
;; Display title
|
|
(chart-draw-title c)
|
|
;; Display data
|
|
(message "Rendering chart...")
|
|
(sit-for 0)
|
|
(chart-draw-data c)
|
|
;; Display key
|
|
; (chart-draw-key c)
|
|
(message "Rendering chart...done")
|
|
))
|
|
|
|
(defmethod chart-draw-title ((c chart))
|
|
"Draw a title upon the chart.
|
|
Argument C is the chart object."
|
|
(chart-display-label (oref c title) 'horizontal 0 0 (window-width)
|
|
(oref c title-face)))
|
|
|
|
(defmethod chart-size-in-dir ((c chart) dir)
|
|
"Return the physical size of chart C in direction DIR."
|
|
(if (eq dir 'vertical)
|
|
(oref c y-width)
|
|
(oref c x-width)))
|
|
|
|
(defmethod chart-draw-axis ((c chart))
|
|
"Draw axis into the current buffer defined by chart C."
|
|
(let ((ymarg (oref c y-margin))
|
|
(xmarg (oref c x-margin))
|
|
(ylen (oref c y-width))
|
|
(xlen (oref c x-width)))
|
|
(chart-axis-draw (oref c y-axis) 'vertical ymarg
|
|
(if (oref (oref c y-axis) loweredge) nil xlen)
|
|
xmarg (+ xmarg ylen))
|
|
(chart-axis-draw (oref c x-axis) 'horizontal xmarg
|
|
(if (oref (oref c x-axis) loweredge) nil ylen)
|
|
ymarg (+ ymarg xlen)))
|
|
)
|
|
|
|
(defmethod chart-axis-draw ((a chart-axis) &optional dir margin zone start end)
|
|
"Draw some axis for A in direction DIR with MARGIN in boundary.
|
|
ZONE is a zone specification.
|
|
START and END represent the boundary."
|
|
(chart-draw-line dir (+ margin (if zone zone 0)) start end)
|
|
(chart-display-label (oref a name) dir (if zone (+ zone margin 3)
|
|
(if (eq dir 'horizontal)
|
|
1 0))
|
|
start end (oref a name-face)))
|
|
|
|
(defmethod chart-translate-xpos ((c chart) x)
|
|
"Translate in chart C the coordinate X into a screen column."
|
|
(let ((range (oref (oref c x-axis) bounds)))
|
|
(+ (oref c x-margin)
|
|
(round (* (float (- x (car range)))
|
|
(/ (float (oref c x-width))
|
|
(float (- (cdr range) (car range))))))))
|
|
)
|
|
|
|
(defmethod chart-translate-ypos ((c chart) y)
|
|
"Translate in chart C the coordinate Y into a screen row."
|
|
(let ((range (oref (oref c y-axis) bounds)))
|
|
(+ (oref c x-margin)
|
|
(- (oref c y-width)
|
|
(round (* (float (- y (car range)))
|
|
(/ (float (oref c y-width))
|
|
(float (- (cdr range) (car range)))))))))
|
|
)
|
|
|
|
(defmethod chart-axis-draw ((a chart-axis-range) &optional dir margin zone start end)
|
|
"Draw axis information based upon a range to be spread along the edge.
|
|
A is the chart to draw. DIR is the direction.
|
|
MARGIN, ZONE, START, and END specify restrictions in chart space."
|
|
(call-next-method)
|
|
;; We prefer about 5 spaces between each value
|
|
(let* ((i (car (oref a bounds)))
|
|
(e (cdr (oref a bounds)))
|
|
(z (if zone zone 0))
|
|
(s nil)
|
|
(rng (- e i))
|
|
;; want to jump by units of 5 spaces or so
|
|
(j (/ rng (/ (chart-size-in-dir (oref a chart) dir) 4)))
|
|
p1)
|
|
(if (= j 0) (setq j 1))
|
|
(while (<= i e)
|
|
(setq s
|
|
(cond ((> i 999999)
|
|
(format "%dM" (/ i 1000000)))
|
|
((> i 999)
|
|
(format "%dK" (/ i 1000)))
|
|
(t
|
|
(format "%d" i))))
|
|
(if (eq dir 'vertical)
|
|
(let ((x (+ (+ margin z) (if (oref a loweredge)
|
|
(- (length s)) 1))))
|
|
(if (< x 1) (setq x 1))
|
|
(chart-goto-xy x (chart-translate-ypos (oref a chart) i)))
|
|
(chart-goto-xy (chart-translate-xpos (oref a chart) i)
|
|
(+ margin z (if (oref a loweredge) -1 1))))
|
|
(setq p1 (point))
|
|
(insert s)
|
|
(chart-zap-chars (length s))
|
|
(put-text-property p1 (point) 'face (oref a labels-face))
|
|
(setq i (+ i j))))
|
|
)
|
|
|
|
(defmethod chart-translate-namezone ((c chart) n)
|
|
"Return a dot-pair representing a positional range for a name.
|
|
The name in chart C of the Nth name resides.
|
|
Automatically compensates for direction."
|
|
(let* ((dir (oref c direction))
|
|
(w (if (eq dir 'vertical) (oref c x-width) (oref c y-width)))
|
|
(m (if (eq dir 'vertical) (oref c y-margin) (oref c x-margin)))
|
|
(ns (length
|
|
(oref (if (eq dir 'vertical) (oref c x-axis) (oref c y-axis))
|
|
items)))
|
|
(lpn (/ (+ 1.0 (float w)) (float ns)))
|
|
)
|
|
(cons (+ m (round (* lpn (float n))))
|
|
(+ m -1 (round (* lpn (+ 1.0 (float n))))))
|
|
))
|
|
|
|
(defmethod chart-axis-draw ((a chart-axis-names) &optional dir margin zone start end)
|
|
"Draw axis information based upon A range to be spread along the edge.
|
|
Optional argument DIR is the direction of the chart.
|
|
Optional arguments MARGIN, ZONE, START and END specify boundaries of the drawing."
|
|
(call-next-method)
|
|
;; We prefer about 5 spaces between each value
|
|
(let* ((i 0)
|
|
(s (oref a items))
|
|
(z (if zone zone 0))
|
|
(r nil)
|
|
(p nil)
|
|
(odd nil)
|
|
p1)
|
|
(while s
|
|
(setq odd (= (% (length s) 2) 1))
|
|
(setq r (chart-translate-namezone (oref a chart) i))
|
|
(if (eq dir 'vertical)
|
|
(setq p (/ (+ (car r) (cdr r)) 2))
|
|
(setq p (- (+ (car r) (/ (- (cdr r) (car r)) 2))
|
|
(/ (length (car s)) 2))))
|
|
(if (eq dir 'vertical)
|
|
(let ((x (+ (+ margin z) (if (oref a loweredge)
|
|
(- (length (car s)))
|
|
(length (car s))))))
|
|
(if (< x 1) (setq x 1))
|
|
(if (> (length (car s)) (1- margin))
|
|
(setq x (+ x margin)))
|
|
(chart-goto-xy x p))
|
|
(chart-goto-xy p (+ (+ margin z) (if (oref a loweredge)
|
|
(if odd -2 -1)
|
|
(if odd 2 1)))))
|
|
(setq p1 (point))
|
|
(insert (car s))
|
|
(chart-zap-chars (length (car s)))
|
|
(put-text-property p1 (point) 'face (oref a labels-face))
|
|
(setq i (+ i 1)
|
|
s (cdr s))))
|
|
)
|
|
|
|
(defmethod chart-draw-data ((c chart-bar))
|
|
"Display the data available in a bar chart C."
|
|
(let* ((data (oref c sequences))
|
|
(dir (oref c direction))
|
|
(odir (if (eq dir 'vertical) 'horizontal 'vertical))
|
|
)
|
|
(while data
|
|
(if (stringp (car (oref (car data) data)))
|
|
;; skip string lists...
|
|
nil
|
|
;; display number lists...
|
|
(let ((i 0)
|
|
(seq (oref (car data) data)))
|
|
(while seq
|
|
(let* ((rng (chart-translate-namezone c i))
|
|
(dp (if (eq dir 'vertical)
|
|
(chart-translate-ypos c (car seq))
|
|
(chart-translate-xpos c (car seq))))
|
|
(zp (if (eq dir 'vertical)
|
|
(chart-translate-ypos c 0)
|
|
(chart-translate-xpos c 0)))
|
|
(fc (if chart-face-list
|
|
(nth (% i (length chart-face-list)) chart-face-list)
|
|
'default))
|
|
)
|
|
(if (< dp zp)
|
|
(progn
|
|
(chart-draw-line dir (car rng) dp zp)
|
|
(chart-draw-line dir (cdr rng) dp zp))
|
|
(chart-draw-line dir (car rng) zp (1+ dp))
|
|
(chart-draw-line dir (cdr rng) zp (1+ dp)))
|
|
(if (= (car rng) (cdr rng)) nil
|
|
(chart-draw-line odir dp (1+ (car rng)) (cdr rng))
|
|
(chart-draw-line odir zp (car rng) (1+ (cdr rng))))
|
|
(if (< dp zp)
|
|
(chart-deface-rectangle dir rng (cons dp zp) fc)
|
|
(chart-deface-rectangle dir rng (cons zp dp) fc))
|
|
)
|
|
;; find the bounds, and chart it!
|
|
;; for now, only do one!
|
|
(setq i (1+ i)
|
|
seq (cdr seq)))))
|
|
(setq data (cdr data))))
|
|
)
|
|
|
|
(defmethod chart-add-sequence ((c chart) &optional seq axis-label)
|
|
"Add to chart object C the sequence object SEQ.
|
|
If AXIS-LABEL, then the axis stored in C is updated with the bounds of SEQ,
|
|
or is created with the bounds of SEQ."
|
|
(if axis-label
|
|
(let ((axis (eieio-oref c axis-label)))
|
|
(if (stringp (car (oref seq data)))
|
|
(let ((labels (oref seq data)))
|
|
(if (not axis)
|
|
(setq axis (make-instance chart-axis-names
|
|
:name (oref seq name)
|
|
:items labels
|
|
:chart c))
|
|
(oset axis items labels)))
|
|
(let ((range (cons 0 1))
|
|
(l (oref seq data)))
|
|
(if (not axis)
|
|
(setq axis (make-instance chart-axis-range
|
|
:name (oref seq name)
|
|
:chart c)))
|
|
(while l
|
|
(if (< (car l) (car range)) (setcar range (car l)))
|
|
(if (> (car l) (cdr range)) (setcdr range (car l)))
|
|
(setq l (cdr l)))
|
|
(oset axis bounds range)))
|
|
(if (eq axis-label 'x-axis) (oset axis loweredge nil))
|
|
(eieio-oset c axis-label axis)
|
|
))
|
|
(oset c sequences (append (oref c sequences) (list seq))))
|
|
|
|
;;; Charting optimizers
|
|
|
|
(defmethod chart-trim ((c chart) max)
|
|
"Trim all sequences in chart C to be at most MAX elements long."
|
|
(let ((s (oref c sequences)))
|
|
(while s
|
|
(let ((sl (oref (car s) data)))
|
|
(if (> (length sl) max)
|
|
(setcdr (nthcdr (1- max) sl) nil)))
|
|
(setq s (cdr s))))
|
|
)
|
|
|
|
(defmethod chart-sort ((c chart) pred)
|
|
"Sort the data in chart C using predicate PRED.
|
|
See `chart-sort-matchlist' for more details."
|
|
(let* ((sl (oref c sequences))
|
|
(s1 (car sl))
|
|
(s2 (car (cdr sl)))
|
|
(s nil))
|
|
(if (stringp (car (oref s1 data)))
|
|
(progn
|
|
(chart-sort-matchlist s1 s2 pred)
|
|
(setq s (oref s1 data)))
|
|
(if (stringp (car (oref s2 data)))
|
|
(progn
|
|
(chart-sort-matchlist s2 s1 pred)
|
|
(setq s (oref s2 data)))
|
|
(error "Sorting of chart %s not supported" (object-name c))))
|
|
(if (eq (oref c direction) 'horizontal)
|
|
(oset (oref c y-axis) items s)
|
|
(oset (oref c x-axis) items s)
|
|
))
|
|
)
|
|
|
|
(defun chart-sort-matchlist (namelst numlst pred)
|
|
"Sort NAMELST and NUMLST (both sequence objects) based on predicate PRED.
|
|
PRED should be the equivalent of '<, except it must expect two
|
|
cons cells of the form (NAME . NUM). See `sort' for more details."
|
|
;; 1 - create 1 list of cons cells
|
|
(let ((newlist nil)
|
|
(alst (oref namelst data))
|
|
(ulst (oref numlst data)))
|
|
(while alst
|
|
;; this is reversed, but were are sorting anyway
|
|
(setq newlist (cons (cons (car alst) (car ulst)) newlist))
|
|
(setq alst (cdr alst)
|
|
ulst (cdr ulst)))
|
|
;; 2 - Run sort routine on it
|
|
(setq newlist (sort newlist pred)
|
|
alst nil
|
|
ulst nil)
|
|
;; 3 - Separate the lists
|
|
(while newlist
|
|
(setq alst (cons (car (car newlist)) alst)
|
|
ulst (cons (cdr (car newlist)) ulst))
|
|
(setq newlist (cdr newlist)))
|
|
;; 4 - Store them back
|
|
(oset namelst data (reverse alst))
|
|
(oset numlst data (reverse ulst))))
|
|
|
|
;;; Utilities
|
|
|
|
(defun chart-goto-xy (x y)
|
|
"Move cursor to position X Y in buffer, and add spaces and CRs if needed."
|
|
(let ((indent-tabs-mode nil)
|
|
(num (progn (goto-char (point-min)) (forward-line y))))
|
|
(if (and (= 0 num) (/= 0 (current-column))) (newline 1))
|
|
(if (eobp) (newline num))
|
|
(if (< x 0) (setq x 0))
|
|
(if (< y 0) (setq y 0))
|
|
;; Now, a quicky column moveto/forceto method.
|
|
(or (= (move-to-column x) x)
|
|
(let ((p (point)))
|
|
(indent-to x)
|
|
(remove-text-properties p (point) '(face))))))
|
|
|
|
(defun chart-zap-chars (n)
|
|
"Zap up to N chars without deleting EOLs."
|
|
(if (not (eobp))
|
|
(if (< n (- (save-excursion (end-of-line) (point)) (point)))
|
|
(delete-char n)
|
|
(delete-region (point) (save-excursion (end-of-line) (point))))))
|
|
|
|
(defun chart-display-label (label dir zone start end &optional face)
|
|
"Display LABEL in direction DIR in column/row ZONE between START and END.
|
|
Optional argument FACE is the property we wish to place on this text."
|
|
(if (eq dir 'horizontal)
|
|
(let (p1)
|
|
(chart-goto-xy (+ start (- (/ (- end start) 2) (/ (length label) 2)))
|
|
zone)
|
|
(setq p1 (point))
|
|
(insert label)
|
|
(chart-zap-chars (length label))
|
|
(put-text-property p1 (point) 'face face)
|
|
)
|
|
(let ((i 0)
|
|
(stz (+ start (- (/ (- end start) 2) (/ (length label) 2)))))
|
|
(while (< i (length label))
|
|
(chart-goto-xy zone (+ stz i))
|
|
(insert (aref label i))
|
|
(chart-zap-chars 1)
|
|
(put-text-property (1- (point)) (point) 'face face)
|
|
(setq i (1+ i))))))
|
|
|
|
(defun chart-draw-line (dir zone start end)
|
|
"Draw a line using line-drawing characters in direction DIR.
|
|
Use column or row ZONE between START and END."
|
|
(chart-display-label
|
|
(make-string (- end start) (if (eq dir 'vertical) ?| ?\-))
|
|
dir zone start end))
|
|
|
|
(defun chart-deface-rectangle (dir r1 r2 face)
|
|
"Colorize a rectangle in direction DIR across range R1 by range R2.
|
|
R1 and R2 are dotted pairs. Colorize it with FACE."
|
|
(let* ((range1 (if (eq dir 'vertical) r1 r2))
|
|
(range2 (if (eq dir 'vertical) r2 r1))
|
|
(y (car range2)))
|
|
(while (<= y (cdr range2))
|
|
(chart-goto-xy (car range1) y)
|
|
(put-text-property (point) (+ (point) (1+ (- (cdr range1) (car range1))))
|
|
'face face)
|
|
(setq y (1+ y)))))
|
|
|
|
;;; Helpful `I don't want to learn eieio just now' washover functions
|
|
|
|
(defun chart-bar-quickie (dir title namelst nametitle numlst numtitle
|
|
&optional max sort-pred)
|
|
"Wash over the complex EIEIO stuff and create a nice bar chart.
|
|
Create it going in direction DIR ['horizontal 'vertical] with TITLE
|
|
using a name sequence NAMELST labeled NAMETITLE with values NUMLST
|
|
labeled NUMTITLE.
|
|
Optional arguments:
|
|
Set the chart's max element display to MAX, and sort lists with
|
|
SORT-PRED if desired."
|
|
(let ((nc (make-instance chart-bar
|
|
:title title
|
|
:key-label "8-m" ; This is a text key pic
|
|
:direction dir
|
|
))
|
|
(iv (eq dir 'vertical)))
|
|
(chart-add-sequence nc
|
|
(make-instance chart-sequece
|
|
:data namelst
|
|
:name nametitle)
|
|
(if iv 'x-axis 'y-axis))
|
|
(chart-add-sequence nc
|
|
(make-instance chart-sequece
|
|
:data numlst
|
|
:name numtitle)
|
|
(if iv 'y-axis 'x-axis))
|
|
(if sort-pred (chart-sort nc sort-pred))
|
|
(if (integerp max) (chart-trim nc max))
|
|
(switch-to-buffer (chart-new-buffer nc))
|
|
(chart-draw nc)))
|
|
|
|
;;; Test code
|
|
|
|
(defun chart-test-it-all ()
|
|
"Test out various charting features."
|
|
(interactive)
|
|
(chart-bar-quickie 'vertical "Test Bar Chart"
|
|
'( "U1" "ME2" "C3" "B4" "QT" "EZ") "Items"
|
|
'( 5 -10 23 20 30 -3) "Values")
|
|
)
|
|
|
|
;;; Sample utility function
|
|
|
|
(defun chart-file-count (dir)
|
|
"Draw a chart displaying the number of different file extensions in DIR."
|
|
(interactive "DDirectory: ")
|
|
(if (not (string-match "/$" dir))
|
|
(setq dir (concat dir "/")))
|
|
(message "Collecting statistics...")
|
|
(let ((flst (directory-files dir nil nil t))
|
|
(extlst (list "<dir>"))
|
|
(cntlst (list 0)))
|
|
(while flst
|
|
(let* ((j (string-match "[^\\.]\\(\\.[a-zA-Z]+\\|~\\|#\\)$" (car flst)))
|
|
(s (if (file-accessible-directory-p (concat dir (car flst)))
|
|
"<dir>"
|
|
(if j
|
|
(substring (car flst) (match-beginning 1) (match-end 1))
|
|
nil)))
|
|
(m (member s extlst)))
|
|
(if (not s) nil
|
|
(if m
|
|
(let ((cell (nthcdr (- (length extlst) (length m)) cntlst)))
|
|
(setcar cell (1+ (car cell))))
|
|
(setq extlst (cons s extlst)
|
|
cntlst (cons 1 cntlst)))))
|
|
(setq flst (cdr flst)))
|
|
;; Lets create the chart!
|
|
(chart-bar-quickie 'vertical "Files Extension Distribution"
|
|
extlst "File Extensions"
|
|
cntlst "# of occurrences"
|
|
10
|
|
'(lambda (a b) (> (cdr a) (cdr b))))
|
|
))
|
|
|
|
(defun chart-space-usage (d)
|
|
"Display a top usage chart for directory D."
|
|
(interactive "DDirectory: ")
|
|
(message "Collecting statistics...")
|
|
(let ((nmlst nil)
|
|
(cntlst nil)
|
|
(b (get-buffer-create " *du-tmp*")))
|
|
(set-buffer b)
|
|
(erase-buffer)
|
|
(insert "cd " d ";du -sk * \n")
|
|
(message "Running `cd %s;du -sk *'..." d)
|
|
(call-process-region (point-min) (point-max) shell-file-name t
|
|
(current-buffer) nil)
|
|
(goto-char (point-min))
|
|
(message "Scanning output ...")
|
|
(while (re-search-forward "^\\([0-9]+\\)[ \t]+\\([^ \n]+\\)$" nil t)
|
|
(let* ((nam (buffer-substring (match-beginning 2) (match-end 2)))
|
|
(num (buffer-substring (match-beginning 1) (match-end 1))))
|
|
(setq nmlst (cons nam nmlst)
|
|
;; * 1000 to put it into bytes
|
|
cntlst (cons (* (string-to-number num) 1000) cntlst))))
|
|
(if (not nmlst)
|
|
(error "No files found!"))
|
|
(chart-bar-quickie 'vertical (format "Largest files in %s" d)
|
|
nmlst "File Name"
|
|
cntlst "File Size"
|
|
10
|
|
'(lambda (a b) (> (cdr a) (cdr b))))
|
|
))
|
|
|
|
(defun chart-emacs-storage ()
|
|
"Chart the current storage requirements of Emacs."
|
|
(interactive)
|
|
(let* ((data (garbage-collect))
|
|
(names '("strings/2" "vectors"
|
|
"conses" "free cons"
|
|
"syms" "free syms"
|
|
"markers" "free mark"
|
|
;; "floats" "free flt"
|
|
))
|
|
(nums (list (/ (nth 3 data) 2)
|
|
(nth 4 data)
|
|
(car (car data)) ; conses
|
|
(cdr (car data))
|
|
(car (nth 1 data)) ; syms
|
|
(cdr (nth 1 data))
|
|
(car (nth 2 data)) ; markers
|
|
(cdr (nth 2 data))
|
|
;(car (nth 5 data)) ; floats are Emacs only
|
|
;(cdr (nth 5 data))
|
|
)))
|
|
;; Lets create the chart!
|
|
(chart-bar-quickie 'vertical "Emacs Runtime Storage Usage"
|
|
names "Storage Items"
|
|
nums "Objects")))
|
|
|
|
(defun chart-emacs-lists ()
|
|
"Chart out the size of various important lists."
|
|
(interactive)
|
|
(let* ((names '("buffers" "frames" "processes" "faces"))
|
|
(nums (list (length (buffer-list))
|
|
(length (frame-list))
|
|
(length (process-list))
|
|
(length (face-list))
|
|
)))
|
|
(if (fboundp 'x-display-list)
|
|
(setq names (append names '("x-displays"))
|
|
nums (append nums (list (length (x-display-list))))))
|
|
;; Lets create the chart!
|
|
(chart-bar-quickie 'vertical "Emacs List Size Chart"
|
|
names "Various Lists"
|
|
nums "Objects")))
|
|
|
|
(defun chart-rmail-from ()
|
|
"If we are in an rmail summary buffer, then chart out the froms."
|
|
(interactive)
|
|
(if (not (eq major-mode 'rmail-summary-mode))
|
|
(error "You must invoke chart-rmail-from in an rmail summary buffer"))
|
|
(let ((nmlst nil)
|
|
(cntlst nil))
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(while (re-search-forward "\\-[A-Z][a-z][a-z] +\\(\\w+\\)@\\w+" nil t)
|
|
(let* ((nam (buffer-substring (match-beginning 1) (match-end 1)))
|
|
(m (member nam nmlst)))
|
|
(message "Scanned username %s" nam)
|
|
(if m
|
|
(let ((cell (nthcdr (- (length nmlst) (length m)) cntlst)))
|
|
(setcar cell (1+ (car cell))))
|
|
(setq nmlst (cons nam nmlst)
|
|
cntlst (cons 1 cntlst))))))
|
|
(chart-bar-quickie 'vertical "Username Occurrence in RMAIL box"
|
|
nmlst "User Names"
|
|
cntlst "# of occurrences"
|
|
10
|
|
'(lambda (a b) (> (cdr a) (cdr b))))
|
|
))
|
|
|
|
|
|
(provide 'chart)
|
|
|
|
;; arch-tag: 43847e44-5b45-465e-adc9-e505490a6b59
|
|
;;; chart.el ends here
|