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caddy-hugo2/templates.go

287 lines
6.5 KiB

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package caddyhugo
import (
"encoding/base64"
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"fmt"
"net/http"
"os"
"path"
"path/filepath"
"git.stephensearles.com/stephen/acedoc"
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"github.com/mholt/caddy/caddyhttp/httpserver"
)
func (t tmplData) Content() ([]string, error) {
var files []string
err := filepath.Walk(path.Join(t.Site.Root, "content"), func(name string, fi os.FileInfo, err error) error {
if fi.IsDir() {
return nil
}
files = append(files, name)
return nil
})
if err != nil {
fmt.Println(err)
return nil, err
}
return files, nil
}
func (t tmplData) ContentTypes() ([]string, error) {
layoutDir, err := os.Open(path.Join(t.Site.Root, "archetypes"))
if err != nil {
fmt.Println("opening layout dir", err)
return nil, err
}
defer layoutDir.Close()
names, err := layoutDir.Readdirnames(0)
if err != nil {
fmt.Println("reading dir", err)
return nil, err
}
out := []string{"default"}
for _, name := range names {
out = append(out, name[:len(name)-len(filepath.Ext(name))])
}
return out, nil
}
type tmplData struct {
Site *httpserver.SiteConfig
R *http.Request
CaddyHugo
Doc *acedoc.Document
docref *docref
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}
func (t tmplData) LoadContent() (string, error) {
return t.Doc.Contents(), nil
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}
func baseNoExt(name string) string {
base := path.Base(name)
return base[:len(base)-len(path.Ext(base))]
}
func (t tmplData) IframeSource() string {
name := baseNoExt(t.docref.name)
ctype := baseNoExt(path.Dir(t.docref.name))
return fmt.Sprintf("/hugo/draft/%s/%s/%s/", base64.RawURLEncoding.EncodeToString([]byte(t.docref.name)), ctype, name)
}
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var EditPage = `<html>
<head>
<script src="/hugo/simplemde.js"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ace.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ext-settings_menu.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/ext-keybinding_menu.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/keybinding-vim.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.6/mode-markdown.js"></script>
<style type="text/css" media="screen">
#editor {
position: absolute;
top: 50px;
right: 0;
bottom: 0;
left: 40%;
}
#draft {
position: absolute;
top: 50px;
right: 60%;
bottom: 0;
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left: 0;
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}
#draft > iframe {
height: 100%;
width: 100%;
border: none;
}
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</style>
<link rel="stylesheet" href="/hugo/simplemde.css" />
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<body>
<textarea id="editor">{{ .LoadContent }}</textarea>
<div id="draft"><iframe src="{{ .IframeSource }}">Loading draft...</iframe></div>
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<script>
var ltime = 0;
function getLtime() {
ltime++
return ltime
}
function observe(l) {
if (l > ltime) {
ltime = l;
}
}
var editorElem = document.getElementById("editor");
var editor = new SimpleMDE({element: editorElem, forceSync: true});
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// Create WebSocket connection.
const socket = new WebSocket('ws://' + location.host + location.pathname);
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var iframe = document.querySelector("#draft > iframe");
const sawChangesBumpsTo = 10;
var sawChanges = -1;
window.setInterval(function () {
if (sawChanges >= 0) {
sawChanges--;
if (sawChanges == 0) {
iframe.contentWindow.location.reload();
}
}
}, 50);
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// Listen for messages
socket.addEventListener('message', function (event) {
var message = JSON.parse(event.data);
observe(message.ltime);
var deltas = [];
deltas.push.apply(deltas, message.deltas);
deltas.forEach(function(aceDelta) {
var cmDelta = aceDeltaToCM(aceDelta)
console.log(cmDelta);
var content = ""
var to = {
line: aceDelta.start.row,
ch: aceDelta.start.column,
}
if (aceDelta.action == "insert") {
content = aceDelta.lines.join("\n");
to = null;
}
editor.codemirror.doc.replaceRange(content, cmDelta.from, to, "dontreflect");
sawChanges = sawChangesBumpsTo;
})
});
socket.addEventListener('error', function (err) {
console.log(err);
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});
editor.codemirror.on("change", function (cm, cmDelta) {
if (cmDelta.origin == "dontreflect") {
return;
}
var aceDelta = cmDeltaToAce(cmDelta);
console.log(cmDelta, "=>", aceDelta)
sawChanges = sawChangesBumpsTo;
socket.send(JSON.stringify({
"deltas": [aceDelta],
"ltime": getLtime(),
}))
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})
function cmDeltaToAce(cmDelta) {
var isRemove = (cmDelta.removed.length > 0 && cmDelta.removed[0].length > 0) || cmDelta.removed.length > 1;
var lines = isRemove ? cmDelta.removed : cmDelta.text;
var aceDelta = {
action: isRemove ? "remove" : "insert",
lines: lines,
start: {
row: cmDelta.from.line,
column: cmDelta.from.ch,
},
end: {
row: cmDelta.from.line + (isRemove ? lines.length - 1 : lines.length - 1 ),
column: lines[lines.length-1].length,
}
};
if (aceDelta.start.row == aceDelta.end.row) {
aceDelta.end.column += cmDelta.from.ch;
}
if (false && isRemove && aceDelta.start.row == aceDelta.end.row) {
var origStart = aceDelta.start;
aceDelta.start = aceDelta.end;
aceDelta.end = origStart;
aceDelta.start.column += cmDelta.from.ch;
}
return aceDelta;
}
function aceDeltaToCM(aceDelta) {
var cmDelta = {
text: [],
removed: [],
from: {
line: aceDelta.start.row,
ch: aceDelta.start.column,
},
to: {
// cm deltas are weird. to refers to the selection end, which
// with a simple blinking cursor with no selection, is always
// the same as from
line: aceDelta.start.row,
ch: aceDelta.start.column,
},
}
if (aceDelta.action == "remove") {
var origStart = aceDelta.start;
aceDelta.start = aceDelta.end;
aceDelta.end = origStart;
cmDelta.removed = aceDelta.lines
cmDelta.text = [""]
} else {
cmDelta.text = aceDelta.lines
cmDelta.removed = [""]
}
return cmDelta;
}
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</script>
</body>
</html>`
var AdminPage = `<html><body>not implemented</body></html>`
var AuthorPage = `<html>
<head>
</head>
<body>
<p>Create content:</p>
<form action="/hugo/edit/new" method="POST">
<label>Name: <input type="text" name="name" /></label>
<select name="type">
{{- range .ContentTypes }}
<option value="{{ . }}">{{ . }}</option>
{{- end }}
</select>
<input type="submit" />
</form>
<p>Edit content:</p>
<ul>{{ range .Content }}
<li><a href="/hugo/edit/{{ . }}">{{ . }}</a></li>
{{- end }}
</ul>
</body>
</html>`