98 lines
2.7 KiB
EmacsLisp
98 lines
2.7 KiB
EmacsLisp
;;; ein-pager.el --- Pager module
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;; Copyright (C) 2012- Takafumi Arakaki
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;; Author: Takafumi Arakaki <aka.tkf at gmail.com>
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;; This file is NOT part of GNU Emacs.
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;; ein-pager.el 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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;; ein-pager.el 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 ein-pager.el. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'ansi-color)
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(require 'ein-core)
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(require 'ein-events)
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(require 'view)
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;; FIXME: Make a class with `:get-notebook-name' slot like `ein:worksheet'
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(declare-function ess-help-underline "ess-help")
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(defun ein:pager-new (name events)
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;; currently pager = name.
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(ein:pager-bind-events name events)
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name)
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(defun ein:pager-bind-events (pager events)
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"Bind events related to PAGER to the event handler EVENTS."
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(ein:events-on events
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'open_with_text.Pager
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#'ein:pager--open-with-text
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pager))
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(defun ein:pager--open-with-text (pager data)
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(let ((text (plist-get data :text)))
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(unless (equal (ein:trim text) "")
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(ein:pager-clear pager)
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(ein:pager-expand pager)
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(ein:pager-append-text pager text))))
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(defun ein:pager-clear (pager)
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(ein:with-read-only-buffer (get-buffer-create pager)
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(erase-buffer)))
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(defun ein:pager-expand (pager)
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(pop-to-buffer (get-buffer-create pager))
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(goto-char (point-min)))
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(defun ein:pager-append-text (pager text)
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(ein:with-read-only-buffer (get-buffer-create pager)
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(insert (ansi-color-apply text))
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(if (featurep 'ess-help)
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(ess-help-underline))
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(unless (eql 'ein:pager-mode major-mode)
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(ein:pager-mode))))
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;; FIXME: this should be automatically called when opening pager.
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(defun ein:pager-goto-docstring-bset-loc ()
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"Goto the best location of the documentation."
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(interactive)
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(goto-char (point-min))
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(search-forward-regexp "^Docstring:")
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(beginning-of-line 0)
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(recenter 0))
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(defvar ein:pager-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map "\C-c\C-b" 'ein:pager-goto-docstring-bset-loc)
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map)
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"Keymap for ein:pager-mode.")
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(define-derived-mode ein:pager-mode view-mode "ein:pager"
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"IPython notebook pager mode.
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Commands:
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\\{ein:pager-mode-map}"
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(setq-local view-no-disable-on-exit t)
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(font-lock-mode))
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(provide 'ein-pager)
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;;; ein-pager.el ends here
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