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
|
/**
* This file is part of Haketilo.
*
* Function: Showing and error/info/confirmation dialog.
*
* Copyright (C) 2022 Wojtek Kosior
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* As additional permission under GNU GPL version 3 section 7, you
* may distribute forms of that code without the copy of the GNU
* GPL normally required by section 4, provided you include this
* license notice and, in case of non-source distribution, a URL
* through which recipients can access the Corresponding Source.
* If you modify file(s) with this exception, you may extend this
* exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* As a special exception to the GPL, any HTML file which merely
* makes function calls to this code, and for that purpose
* includes it by reference shall be deemed a separate work for
* copyright law purposes. If you modify this code, you may extend
* this exception to your version of the code, but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* I, Wojtek Kosior, thereby promise not to sue for violation of this file's
* license. Although I request that you do not make use of this code in a
* proprietary program, I am not going to enforce this in court.
*/
#FROM html/DOM_helpers.js IMPORT clone_template
#FROM common/lock.js IMPORT make_lock, lock, unlock
function make(on_dialog_show, on_dialog_hide)
{
const dialog_context = clone_template("dialog");
Object.assign(dialog_context, {
on_dialog_show,
on_dialog_hide,
shown: false,
queue: 0,
lock: make_lock(),
callback: null
});
for (const [id, val] of [["yes", true], ["no", false], ["ok", undefined]]) {
const but = dialog_context[`${id}_but`];
but.haketilo_dialog_result = val;
but.addEventListener("click", e => close_dialog(dialog_context, e));
}
return dialog_context;
}
#EXPORT make
function close_dialog(dialog_context, event)
{
if (dialog_context.queue > 0)
dialog_context.callback(event.target.haketilo_dialog_result);
}
async function show_dialog(dialog_context, shown_buts_id, msg)
{
dialog_context.queue++;
if (!dialog_context.shown) {
dialog_context.shown = true;
dialog_context.on_dialog_show();
}
await lock(dialog_context.lock);
dialog_context.msg.innerText = msg;
for (const buts_id of ["ask_buts", "conf_buts"]) {
const action = buts_id == shown_buts_id ? "remove" : "add";
dialog_context[buts_id].classList[action]("hide");
}
const result = await new Promise(cb => dialog_context.callback = cb);
if (--dialog_context.queue == 0) {
dialog_context.shown = false;
dialog_context.on_dialog_hide();
}
unlock(dialog_context.lock);
return result;
}
const error = (ctx, msg) => show_dialog(ctx, "conf_buts", msg);
#EXPORT error
/* info() and error() are the same for now, we might later change that. */
const info = error;
#EXPORT info
const ask = (ctx, msg) => show_dialog(ctx, "ask_buts", msg);
#EXPORT ask
|
