aboutsummaryrefslogtreecommitdiff
path: root/ext/bg/js/search-query-parser.js
blob: 9bea6508e77d8445984a3f327dc13729e7dd35a8 (plain)
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
/*
 * Copyright (C) 2019  Alex Yatskov <alex@foosoft.net>
 * Author: Alex Yatskov <alex@foosoft.net>
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


class QueryParser {
    constructor(search) {
        this.search = search;

        this.queryParser = document.querySelector('#query-parser');

        this.queryParser.addEventListener('click', (e) => this.onClick(e));
        this.queryParser.addEventListener('mousemove', (e) => this.onMouseMove(e));
    }

    onError(error) {
        logError(error, false);
    }

    onClick(e) {
        this.onTermLookup(e, {disableScroll: true, selectText: true});
    }

    async onMouseMove(e) {
        if (
            (e.buttons & 0x1) !== 0x0 // Left mouse button
        ) {
            return;
        }

        const scanningOptions = this.search.options.scanning;
        const scanningModifier = scanningOptions.modifier;
        if (!(
            QueryParser.isScanningModifierPressed(scanningModifier, e) ||
            (scanningOptions.middleMouse && (e.buttons & 0x4) !== 0x0) // Middle mouse button
        )) {
            return;
        }

        await this.onTermLookup(e, {disableScroll: true, selectText: true, disableHistory: true})
    }

    onTermLookup(e, params) {
        this.search.onTermLookup(e, params);
    }

    async setText(text) {
        this.queryParser.innerHTML = '';
        this.search.setSpinnerVisible(true);

        let previewText = text;
        while (previewText) {
            const tempText = previewText.slice(0, 2);
            previewText = previewText.slice(2);

            const tempRuby = document.createElement('ruby');
            const tempFurigana = document.createElement('rt');
            tempRuby.appendChild(document.createTextNode(tempText));
            tempRuby.appendChild(tempFurigana);
            this.queryParser.appendChild(tempRuby);
        }

        const results = await apiTextParse(text, this.search.getOptionsContext());

        const textContainer = document.createElement('div');
        for (const {text, furigana} of results) {
            const rubyElement = document.createElement('ruby');
            const furiganaElement = document.createElement('rt');
            if (furigana) {
                furiganaElement.innerText = furigana;
                rubyElement.appendChild(document.createTextNode(text));
                rubyElement.appendChild(furiganaElement);
            } else {
                rubyElement.appendChild(document.createTextNode(text));
                rubyElement.appendChild(furiganaElement);
            }
            textContainer.appendChild(rubyElement);
        }
        this.queryParser.innerHTML = '';
        this.queryParser.appendChild(textContainer);

        this.search.setSpinnerVisible(false);
    }

    async parseText(text) {
        const results = [];
        while (text) {
            const {definitions, length} =  await apiTermsFind(text, {}, this.search.getOptionsContext());
            if (length) {
                results.push(definitions);
                text = text.slice(length);
            } else {
                results.push(text[0]);
                text = text.slice(1);
            }
        }
        return results;
    }

    popupTimerSet(callback) {
        const delay = this.options.scanning.delay;
        if (delay > 0) {
            this.popupTimer = window.setTimeout(callback, delay);
        } else {
            Promise.resolve().then(callback);
        }
    }

    popupTimerClear() {
        if (this.popupTimer !== null) {
            window.clearTimeout(this.popupTimer);
            this.popupTimer = null;
        }
    }

    static isScanningModifierPressed(scanningModifier, mouseEvent) {
        switch (scanningModifier) {
            case 'alt': return mouseEvent.altKey;
            case 'ctrl': return mouseEvent.ctrlKey;
            case 'shift': return mouseEvent.shiftKey;
            case 'none': return true;
            default: return false;
        }
    }
}