hellmund/markdown-preview-mode
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deliver markdown to browser over websockets

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This commit is contained in:
Igor Shymko 2014-09-14 15:39:16 +03:00
parent 4a33ecd7fa
commit cf66b5a48d
4 changed files with 70 additions and 42 deletions
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6
README.md
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@ -7,3 +7,9 @@ Depends on:
* markdown-mode
* websocket.el
table header 1 | header 2 | head 3
--------------|---------|------
cell1 | cell2 | cell3
cell1 | cell2 | cell3
cell1 | cell2 | [cell3](#asdfsadf)

65
markdown-preview-mode.el
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@ -2,7 +2,7 @@
;; Copyright (C) 2014 <igor.shimko@gmail.com>
;; Author: Kostafey <kostafey@gmail.com>
;; Author: Igor Shymko <igor.shimko@gmail.com>
;; URL: https://github.com/ancane/markdown-preview-mode
;; Keywords: markdown, preview
;; Package-Requires: ((websocket "1.3"))
@ -34,10 +34,20 @@
(defvar mdpm:websocket-port 7379)
(defvar mdpm:websocket-server nil)
(defvar mdpm:websocket-clients nil)
(defvar mdpm:local-client nil)
(defvar mdpm:remote-clients nil)
(defvar mdpm:directory (file-name-directory load-file-name))
;; (setq mdpm:websocket-server (get-process "websocket server on port 7379"))
(defun mdpm:open-browser-preview ()
(browse-url (concat mdpm:directory "preview.html")))
(defun mdpm:stop-websocket-server ()
(when mdpm:local-client
(websocket-close mdpm:local-client))
(when mdpm:websocket-server
(delete-process mdpm:websocket-server)
(setq mdpm:websocket-server nil
mdpm:remote-clients nil)))
(defun mdpm:start-websocket-server ()
(when (not mdpm:websocket-server)
@ -46,39 +56,46 @@
mdpm:websocket-port
:on-message (lambda (websocket frame)
(mapc (lambda (ws)
;; send frame only if ws != websocket
(websocket-send-text
ws
(websocket-frame-payload frame))))
mdpm:websocket-clients)
(websocket-send-text ws
(websocket-frame-payload frame)))
mdpm:remote-clients))
:on-open (lambda (websocket)
(push websocket mdpm:websocket-clients))
(push websocket mdpm:remote-clients)
)
:on-close (lambda (websocket)
(delete websocket mdpm:websocket-clients)))))
(add-hook 'kill-emacs-hook 'mdpm:stop-websocket-server)
(mdpm:open-browser))
(delete websocket mdpm:remote-clients)
)
))
(add-hook 'kill-emacs-hook 'mdpm:stop-websocket-server)
(mdpm:open-browser-preview)))
(defun mdpm:open-browser ()
(browse-url (concat mdpm:directory "preview.html")))
(defun mdpm:start-local-client ()
(when (not mdpm:local-client)
(setq mdpm:local-client
(websocket-open
(format "ws://localhost:%d" mdpm:websocket-port)
:on-error (lambda (ws type err)
(message "error connecting"))
:on-close (lambda (websocket)
(setq mdpm:local-client nil))))))
(defun mdpm:stop-websocket-server ()
(when mdpm:websocket-server
(delete-process mdpm:websocket-server)
(setq mdpm:websocket-server nil
mdpm:websocket-clients nil)))
(defun mdpm:send ())
(defun mdpm:send-preview ()
(markdown markdown-output-buffer-name)
(with-current-buffer (get-buffer markdown-output-buffer-name)
(websocket-send-text mdpm:local-client (buffer-substring-no-properties (point-min) (point-max))))
)
(defun mdpm:start ()
(mdpm:start-websocket-server)
(add-hook 'after-save-hook 'mdpm:send nil t))
(mdpm:start-local-client)
(add-hook 'after-save-hook 'mdpm:send-preview nil t))
(defun mdpm:stop ()
(remove-hook 'after-save-hook 'mdpm:send))
(remove-hook 'after-save-hook 'mdpm:send-preview))
(defun markdown-preview-open-browser ()
(interactive)
(mdpm:open-browser))
(mdpm:open-browser-preview))
(defun markdown-preview-kill-websocket-server ()
(interactive)

40
preview.html
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@ -4,25 +4,29 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, minimal-ui">
<title>Markdown preview</title>
<link href="style.css" media="all" rel="stylesheet" type="text/css">
<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
<script>
var socket = new WebSocket("ws://localhost:7379");
socket.onopen = function() {
alert("Connection established.");
};
socket.onclose = function(event) {
if (event.wasClean) {
alert('Connection closed gracefully.');
} else {
alert('Connection terminated.');
}
alert('Code: ' + event.code + ' reason: ' + event.reason);
};
socket.onmessage = function(event) {
alert("Message received: " + event.data);
};
socket.onerror = function(error) {
alert("Error: " + error.message);
};
(function($, undefined) {
var socket = new WebSocket("ws://localhost:7379");
socket.onopen = function() {
console.log("Connection established.");
};
socket.onclose = function(event) {
if (event.wasClean) {
alert('Connection closed gracefully.');
} else {
alert('Connection terminated.');
}
console.log('Code: ' + event.code + ' reason: ' + event.reason);
};
socket.onmessage = function(event) {
$("#markdown-body").html(event.data);
};
socket.onerror = function(error) {
alert("Error: " + error.message);
};
})(jQuery);
</script>
</head>
<body>

1
style.css Normal file
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@ -0,0 +1 @@
article,aside,details,figcaption,figure,footer,header,hgroup,nav,section,summary {display: block;}audio,canvas,video {display: inline-block;}audio:not([controls]) {display: none;height: 0;}[hidden] {display: none;}html {font-family: sans-serif;-webkit-text-size-adjust: 100%;-ms-text-size-adjust: 100%;}body {margin: 0;}a:focus {outline: thin dotted;}a:active,a:hover {outline: 0;}h1 {font-size: 2em;}abbr[title] {border-bottom: 1px dotted;}b,strong {font-weight: bold;}dfn {font-style: italic;}mark {background: #ff0;color: #000;}code,kbd,pre,samp {font-family: monospace, serif;font-size: 1em;}pre {white-space: pre-wrap;word-wrap: break-word;}q {quotes: "\201C" "\201D" "\2018" "\2019";}small {font-size: 80%;}sub,sup {font-size: 75%;line-height: 0;position: relative;vertical-align: baseline;}sup {top: -0.5em;}sub {bottom: -0.25em;}img {border: 0;}svg:not(:root) {overflow: hidden;}figure {margin: 0;}fieldset {border: 1px solid #c0c0c0;margin: 0 2px;padding: 0.35em 0.625em 0.75em;}legend {border: 0;padding: 0;}button,input,select,textarea {font-family: inherit;font-size: 100%;margin: 0;}button,input {line-height: normal;}button,html input[type="button"],input[type="reset"],input[type="submit"] {-webkit-appearance: button;cursor: pointer;}button[disabled],input[disabled] {cursor: default;}input[type="checkbox"],input[type="radio"] {box-sizing: border-box;padding: 0;}input[type="search"] {-webkit-appearance: textfield;-moz-box-sizing: content-box;-webkit-box-sizing: content-box;box-sizing: content-box;}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration {-webkit-appearance: none;}button::-moz-focus-inner,input::-moz-focus-inner {border: 0;padding: 0;}textarea {overflow: auto;vertical-align: top;}table {border-collapse: collapse;border-spacing: 0;}@import url(//fonts.googleapis.com/css?family=Inconsolata);@import url(//fonts.googleapis.com/css?family=PT+Sans);@import url(//fonts.googleapis.com/css?family=PT+Sans+Narrow:400,700);html {font-family: 'PT Sans', sans-serif;}pre,code {font-family: 'Inconsolata', sans-serif;}h1,h2,h3,h4,h5,h6 {font-family: 'PT Sans Narrow', sans-serif;font-weight: 700;}html {background-color: #002b36;color: #839496;margin: 1em;}code {background-color: #073642;padding: 2px;}a {color: #b58900;}a:visited {color: #cb4b16;}a:hover {color: #cb4b16;}h1 {color: #d33682;}h2,h3,h4,h5,h6 {color: #859900;}pre {background-color: #002b36;color: #839496;border: 1pt solid #586e75;padding: 1em;box-shadow: 5pt 5pt 8pt #073642;}pre code {background-color: #002b36;}h1 {font-size: 2.8em;}h2 {font-size: 2.4em;}h3 {font-size: 1.8em;}h4 {font-size: 1.4em;}h5 {font-size: 1.3em;}h6 {font-size: 1.15em;}.tag {background-color: #073642;color: #d33682;padding: 0 0.2em;}.todo,.next,.done {color: #002b36;background-color: #dc322f;padding: 0 0.2em;}.tag {-webkit-border-radius: 0.35em;-moz-border-radius: 0.35em;border-radius: 0.35em;}.TODO {-webkit-border-radius: 0.2em;-moz-border-radius: 0.2em;border-radius: 0.2em;background-color: #2aa198;}.NEXT {-webkit-border-radius: 0.2em;-moz-border-radius: 0.2em;border-radius: 0.2em;background-color: #268bd2;}.ACTIVE {-webkit-border-radius: 0.2em;-moz-border-radius: 0.2em;border-radius: 0.2em;background-color: #268bd2;}.DONE {-webkit-border-radius: 0.2em;-moz-border-radius: 0.2em;border-radius: 0.2em;background-color: #859900;}.WAITING {-webkit-border-radius: 0.2em;-moz-border-radius: 0.2em;border-radius: 0.2em;foreground-color: #cb4b16;}.HOLD {-webkit-border-radius: 0.2em;-moz-border-radius: 0.2em;border-radius: 0.2em;foreground-color: #d33682;}.NOTE {-webkit-border-radius: 0.2em;-moz-border-radius: 0.2em;border-radius: 0.2em;foreground-color: #d33682;}.CANCELLED {-webkit-border-radius: 0.2em;-moz-border-radius: 0.2em;border-radius: 0.2em;foreground-color: #859900;}