-
Notifications
You must be signed in to change notification settings - Fork 4
/
websocket_math_custom_resources.html
149 lines (134 loc) · 4.86 KB
/
websocket_math_custom_resources.html
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
143
144
145
146
147
148
149
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="mobile-web-app-capable" content="yes" />
<meta name="HandheldFriendly" content="true" />
<title>Custom resources math</title>
<link rel="stylesheet" href="../assets/style/reset.css" />
<link rel="stylesheet" href="../assets/style/components.css" />
<link rel="stylesheet" href="../assets/style/examples.css" />
<script type="text/javascript" src="../../dist/iink.min.js"></script>
<style>
.description {
padding: 12px;
}
#editor {
height: calc(100vh - 234px);
}
@media only screen and (max-width: 1156px) {
#editor {
height: calc(100vh - 252px);
}
}
@media only screen and (max-width: 600px) {
#editor {
height: calc(100vh - 269px);
}
}
@media only screen and (max-width: 423px) {
#editor {
height: calc(100vh - 286px);
}
}
@media only screen and (max-width: 338px) {
#editor {
height: calc(100vh - 303px);
}
}
</style>
</head>
<body>
<p class="description">
This example use a math custom resource. The grammar restrict the recognition to only basic elementary school math (addition and substraction).
It is sent directly to the configuration.
</p>
<div id="result"></div>
<nav class="flex-container between wrap gap">
<div class="flex-container wrap gap">
<button id="clear" class="nav-btn btn-fab-mini btn-lightBlue" disabled>
<img src="../assets/img/clear.svg" />
</button>
<button id="undo" class="nav-btn btn-fab-mini btn-lightBlue" disabled>
<img src="../assets/img/undo.svg" />
</button>
<button id="redo" class="nav-btn btn-fab-mini btn-lightBlue" disabled>
<img src="../assets/img/redo.svg" />
</button>
</div>
<button class="classic-btn" id="convert" disabled>Convert</button>
</nav>
<div id="editor" touch-action="none"></div>
<script>
const editorElement = document.getElementById("editor");
const resultElement = document.getElementById("result");
const undoElement = document.getElementById("undo");
const redoElement = document.getElementById("redo");
const clearElement = document.getElementById("clear");
const convertElement = document.getElementById("convert");
let editor;
async function loadEditor() {
const res = await fetch("../server-configuration.json");
const conf = await res.json();
const options = {
configuration: {
server: {
...conf,
protocol: "WEBSOCKET"
},
recognition: {
type: "MATH",
math: {
mimeTypes: ["application/x-latex"],
customGrammarContent: "symbol = 0 1 2 3 4 5 6 7 8 9 + -\ncharacter ::= identity(symbol)\nexpression ::= identity(character) | hpair(expression, expression)\nstart(expression)"
}
}
}
};
/**
* Instanciate editor
* @param {Element} The DOM element to attach the ink paper
* @param {Object} The Editor parameters
*/
editor = new iink.Editor(editorElement, options);
/**
* async initialize editor behaviors
*/
await editor.initialize();
editorElement.addEventListener("changed", (event) => {
undoElement.disabled = !event.detail.canUndo;
redoElement.disabled = !event.detail.canRedo;
clearElement.disabled = event.detail.isEmpty;
});
editorElement.addEventListener("exported", (evt) => {
const exports = evt.detail;
if (exports && exports["application/x-latex"]) {
convertElement.disabled = false;
resultElement.innerHTML = "<span>" + exports["application/x-latex"] + "</span>";
} else {
convertElement.disabled = true;
resultElement.innerHTML = "";
}
});
undoElement.addEventListener("click", () => {
editorElement.editor.undo();
});
redoElement.addEventListener("click", () => {
editorElement.editor.redo();
});
clearElement.addEventListener("click", () => {
editorElement.editor.clear();
});
convertElement.addEventListener("click", () => {
editorElement.editor.convert();
});
window.addEventListener("resize", () => {
editorElement.editor.resize();
});
};
loadEditor().catch(error => console.error(error));
</script>
</body>
</html>