57 lines
1.6 KiB
Vue
57 lines
1.6 KiB
Vue
<template>
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<a class="new-discussion-button" href="javascript:void(0)" v-if="coordinates" :style="{top: coordinates.top + 'px'}" v-title="'开始讨论'" @mousedown.stop.prevent @click="createNewDiscussion(selection)">
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<icon-message></icon-message>
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</a>
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</template>
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<script>
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import { mapActions } from 'vuex';
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import editorSvc from '../../services/editorSvc';
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import store from '../../store';
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export default {
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data: () => ({
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selection: null,
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coordinates: null,
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}),
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methods: {
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...mapActions('discussion', [
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'createNewDiscussion',
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]),
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checkSelection() {
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clearTimeout(this.timeout);
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this.timeout = setTimeout(() => {
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let offset;
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// Show the button if content is not a revision and preview selection is not empty
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if (
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!store.state.content.revisionContent &&
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editorSvc.previewSelectionRange
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) {
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this.selection = editorSvc.getTrimmedSelection();
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if (this.selection) {
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const { text } = editorSvc.previewCtxWithDiffs;
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offset = editorSvc.getPreviewOffset(this.selection.end);
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while (offset && text[offset - 1] === '\n') {
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offset -= 1;
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}
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}
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}
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this.coordinates = offset
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? editorSvc.getPreviewOffsetCoordinates(offset)
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: null;
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}, 25);
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},
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},
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mounted() {
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this.$nextTick(() => {
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editorSvc.$on('previewSelectionRange', () => this.checkSelection());
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this.$watch(
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() => store.getters['layout/styles'].previewWidth,
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() => this.checkSelection(),
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);
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this.checkSelection();
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});
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},
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};
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</script>
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