1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
import CodeMirror from "codemirror";
import "codemirror/lib/codemirror.css";
import "codemirror/mode/markdown/markdown";
import "codemirror/mode/css/css"
import "codemirror/mode/htmlmixed/htmlmixed"
import "codemirror/mode/javascript/javascript"
let form;
let unsavedChanges = false;
const inputEvent = new InputEvent('input');
window.onload = () => {
form = document.getElementById('update');
let inputs = form.elements;
for (const input of inputs) {
input.oninput = changeHandler;
}
form.addEventListener("submit", function (event) {
event.preventDefault();
submitHandler(this);
});
CodeMirror.fromTextArea(document.getElementById('editmain'), {
mode: 'markdown',
lineNumbers: true,
}).on('change', cmChangeHandler);
CodeMirror.fromTextArea(document.getElementById('editcss'), {
mode: 'css',
lineNumbers: true,
}).on('change', cmChangeHandler);
CodeMirror.fromTextArea(document.getElementById('editheader'), {
mode: 'markdown',
lineNumbers: true,
}).on('change', cmChangeHandler);
CodeMirror.fromTextArea(document.getElementById('editnav'), {
mode: 'markdown',
lineNumbers: true,
}).on('change', cmChangeHandler);
CodeMirror.fromTextArea(document.getElementById('editaside'), {
mode: 'markdown',
lineNumbers: true,
}).on('change', cmChangeHandler);
CodeMirror.fromTextArea(document.getElementById('editfooter'), {
mode: 'markdown',
lineNumbers: true,
}).on('change', cmChangeHandler);
CodeMirror.fromTextArea(document.getElementById('editbody'), {
mode: 'htmlmixed',
lineNumbers: true,
}).on('change', cmChangeHandler);
CodeMirror.fromTextArea(document.getElementById('editjavascript'), {
mode: 'javascript',
lineNumbers: true,
}).on('change', cmChangeHandler);
window.onkeydown = keyboardHandler;
window.onbeforeunload = confirmExit;
};
/**
* Manage a keyboardEvent
* @param {KeyboardEvent} e
*/
function keyboardHandler(e) {
if (e.composed) {
if (e.ctrlKey) {
switch (e.key) {
// ctrl + s
case 's':
submitHandler(form);
break;
// ctrl + d
case 'd':
url = document.getElementById('update').getAttribute('href');
window.open(url);
break;
default:
return true;
}
e.preventDefault();
return false;
}
}
}
/**
* Manage change event
* @param {InputEvent} e
*/
function changeHandler(e) {
if(e.target.classList.contains("toggle")||e.target.classList.contains("checkboxtab")) {
return;
}
unsavedChanges = true;
}
/**
* Manage CodeMirror editor change event
* @param {CodeMirror.EditorFromTextArea} cm the CodeMirror instance
*/
function cmChangeHandler(cm){
let textArea = cm.getTextArea();
textArea.value = cm.getValue();
textArea.dispatchEvent(inputEvent);
}
/**
* Manage submit event
* @param {HTMLFormElement} form
*/
function submitHandler(form) {
var xhr = new XMLHttpRequest();
var fd = new FormData(form);
xhr.addEventListener("load", function(event) {
unsavedChanges = false;
alert("updated");
});
xhr.addEventListener("error", function(event) {
alert('Error while trying to update.');
});
xhr.open(form.method, form.action);
xhr.send(fd);
}
/**
* Manage a beforeUnloadEvent
* @param {BeforeUnloadEvent} e
*/
function confirmExit(e) {
if (unsavedChanges) {
return 'You have unsaved changes, do you really want to leave this page?';
}
}
|
