/
ChatUserList.vue
255 lines (220 loc) · 5.94 KB
/
ChatUserList.vue
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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
<template>
<aside
ref="userlist"
class="userlist"
:aria-label="'User list for ' + channel.name"
@mouseleave="removeHoverUser"
>
<div class="count">
<input
ref="input"
:value="userSearchInput"
:placeholder="
channel.users.length + ' user' + (channel.users.length === 1 ? '' : 's')
"
type="search"
class="search"
aria-label="Search among the user list"
tabindex="-1"
@input="setUserSearchInput"
@keydown.up="navigateUserList($event, -1)"
@keydown.down="navigateUserList($event, 1)"
@keydown.page-up="navigateUserList($event, -10)"
@keydown.page-down="navigateUserList($event, 10)"
@keydown.enter="selectUser"
/>
</div>
<div class="names">
<div
v-for="(users, mode) in groupedUsers"
:key="mode"
:class="['user-mode', getModeClass(String(mode))]"
>
<template v-if="userSearchInput.length > 0">
<!-- eslint-disable vue/no-v-text-v-html-on-component -->
<Username
v-for="user in users"
:key="user.original.nick + '-search'"
:on-hover="hoverUser"
:active="user.original === activeUser"
:user="user.original"
v-html="user.string"
/>
<!-- eslint-enable -->
</template>
<template v-else>
<Username
v-for="user in users"
:key="user.nick"
:on-hover="hoverUser"
:active="user === activeUser"
:user="user"
/>
</template>
</div>
</div>
</aside>
</template>
<script lang="ts">
import {filter as fuzzyFilter} from "fuzzy";
import {computed, defineComponent, nextTick, PropType, ref} from "vue";
import type {UserInMessage} from "../../shared/types/msg";
import type {ClientChan, ClientUser} from "../js/types";
import Username from "./Username.vue";
const modes = {
"~": "owner",
"&": "admin",
"!": "admin",
"@": "op",
"%": "half-op",
"+": "voice",
"": "normal",
};
export default defineComponent({
name: "ChatUserList",
components: {
Username,
},
props: {
channel: {type: Object as PropType<ClientChan>, required: true},
},
setup(props) {
const userSearchInput = ref("");
const activeUser = ref<UserInMessage | null>();
const userlist = ref<HTMLDivElement>();
const filteredUsers = computed(() => {
if (!userSearchInput.value) {
return;
}
return fuzzyFilter(userSearchInput.value, props.channel.users, {
pre: "<b>",
post: "</b>",
extract: (u) => u.nick,
});
});
const groupedUsers = computed(() => {
const groups = {};
if (userSearchInput.value && filteredUsers.value) {
const result = filteredUsers.value;
for (const user of result) {
const mode: string = user.original.modes[0] || "";
if (!groups[mode]) {
groups[mode] = [];
}
// Prepend user mode to search result
user.string = mode + user.string;
groups[mode].push(user);
}
} else {
for (const user of props.channel.users) {
const mode = user.modes[0] || "";
if (!groups[mode]) {
groups[mode] = [user];
} else {
groups[mode].push(user);
}
}
}
return groups as {
[mode: string]: (ClientUser & {
original: UserInMessage;
string: string;
})[];
};
});
const setUserSearchInput = (e: Event) => {
userSearchInput.value = (e.target as HTMLInputElement).value;
};
const getModeClass = (mode: string) => {
return modes[mode] as typeof modes;
};
const selectUser = () => {
// Simulate a click on the active user to open the context menu.
// Coordinates are provided to position the menu correctly.
if (!activeUser.value || !userlist.value) {
return;
}
const el = userlist.value.querySelector(".active");
if (!el) {
return;
}
const rect = el.getBoundingClientRect();
const ev = new MouseEvent("click", {
view: window,
bubbles: true,
cancelable: true,
clientX: rect.left,
clientY: rect.top + rect.height,
});
el.dispatchEvent(ev);
};
const hoverUser = (user: UserInMessage) => {
activeUser.value = user;
};
const removeHoverUser = () => {
activeUser.value = null;
};
const scrollToActiveUser = () => {
// Scroll the list if needed after the active class is applied
void nextTick(() => {
const el = userlist.value?.querySelector(".active");
el?.scrollIntoView({block: "nearest", inline: "nearest"});
});
};
const navigateUserList = (event: Event, direction: number) => {
// Prevent propagation to stop global keybind handler from capturing pagedown/pageup
// and redirecting it to the message list container for scrolling
event.stopImmediatePropagation();
event.preventDefault();
let users = props.channel.users;
// Only using filteredUsers when we have to avoids filtering when it's not needed
if (userSearchInput.value && filteredUsers.value) {
users = filteredUsers.value.map((result) => result.original);
}
// Bail out if there's no users to select
if (!users.length) {
activeUser.value = null;
return;
}
const abort = () => {
activeUser.value = direction ? users[0] : users[users.length - 1];
scrollToActiveUser();
};
// If there's no active user select the first or last one depending on direction
if (!activeUser.value) {
abort();
return;
}
let currentIndex = users.indexOf(activeUser.value as ClientUser);
if (currentIndex === -1) {
abort();
return;
}
currentIndex += direction;
// Wrap around the list if necessary. Normaly each loop iterates once at most,
// but might iterate more often if pgup or pgdown are used in a very short user list
while (currentIndex < 0) {
currentIndex += users.length;
}
while (currentIndex > users.length - 1) {
currentIndex -= users.length;
}
activeUser.value = users[currentIndex];
scrollToActiveUser();
};
return {
filteredUsers,
groupedUsers,
userSearchInput,
activeUser,
userlist,
setUserSearchInput,
getModeClass,
selectUser,
hoverUser,
removeHoverUser,
navigateUserList,
};
},
});
</script>