liberama/client/components/Reader/CopyTextPage/CopyTextPage.vue

<template>
    <div ref="main" class="main" @click="close">
        <div class="mainWindow" @click.stop>
            <Window @close="close">
                <template slot="header">
                    Скопировать текст
                </template>

                <div ref="text" class="text" tabindex="-1">
                    <div v-html="text"></div>
                </div>
            </Window>
        </div>
    </div>
</template>

<script>
//-----------------------------------------------------------------------------
import Vue from 'vue';
import Component from 'vue-class-component';

import Window from '../../share/Window.vue';
import {sleep} from '../../../share/utils';

export default @Component({
    components: {
        Window,
    },
})
class CopyTextPage extends Vue {
    text = null;
    initStep = null;
    initPercentage = 0;

    created() {
        this.commit = this.$store.commit;
        this.reader = this.$store.state.reader;
    }

    async init(bookPos, parsed, copyFullText) {
        if (parsed && this.parsed != parsed) {
            this.text = 'Загрузка';
            await this.$nextTick();

            const paraIndex = parsed.findParaIndex(bookPos);
            this.initStep = true;
            this.stopInit = false;

            let nextPerc = 0;
            let text = '';
            let cut = '';
            let from = 0;
            let to = parsed.para.length;
            if (!copyFullText) {
                from = paraIndex - 100;
                from = (from < 0 ? 0 : from);
                to = paraIndex + 100;
                to = (to > parsed.para.length ? parsed.para.length : to);
                cut = '<p>..... Текст вырезан. Если хотите скопировать больше, поставьте в настройках галочку "Загружать весь текст"';
            }

            if (from > 0)
                text += cut;
            for (let i = from; i < to; i++) {
                const p = parsed.para[i];
                const parts = parsed.splitToStyle(p.text);
                if (this.stopInit)
                    return;

                text += `<p id="p${i}" class="copyPara">`;
                for (const part of parts)
                    text += part.text;

                const perc = Math.round(i/parsed.para.length*100);

                if (perc > nextPerc) {
                    this.initPercentage = perc;
                    await sleep(1);
                    nextPerc = perc + 10;
                }
            }
            if (to < parsed.para.length)
                text += cut;

            this.text = text;
            this.initStep = false;
            this.parsed = parsed;

            await this.$nextTick();
            this.$refs.text.focus();

            const p = document.getElementById('p' + paraIndex);
            if (p) {
                this.$refs.text.scrollTop = p.offsetTop;
            }
        }
    }

    close() {
        this.stopInit = true;
        this.$emit('copy-text-toggle');
    }

    keyHook(event) {
        if (event.type == 'keydown' && (event.code == 'Escape')) {
            this.close();
        }
        return true;
    }
}
//-----------------------------------------------------------------------------
</script>

<style scoped>
.main {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 40;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.mainWindow {
    width: 100%;
    height: 100%;
    display: flex;
}

.text {
    flex: 1;
    overflow-wrap: anywhere;
    overflow-y: auto;
    margin: 0 10px 0 10px;
    position: relative;
    font-size: 120%;
}

.text:focus {
    outline: none;
}
</style>
<style>
.copyPara {
    margin: 0;
    padding: 0;
    text-indent: 30px;
}
</style>