<script setup>
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import * as itemOffset from '../lib/itemOffset.js'
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import {onKeyStroke} from "@vueuse/core"
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const props = defineProps({
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total: Number,
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offset: Number,
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limit: Number,
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})
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const emit = defineEmits(["go"])
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function goStart () {
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const offset2 = itemOffset.goStart(props.offset, props.limit, props.total)
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emit("go", offset2)
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}
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function goEnd () {
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const offset2 = itemOffset.goEnd(props.offset, props.limit, props.total)
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emit("go", offset2)
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}
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function goPrev (multiplier = 1) {
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const offset2 = itemOffset.goPrev(props.offset, props.limit * multiplier, props.total)
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emit("go", offset2)
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}
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function goNext (multiplier = 1) {
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const offset2 = itemOffset.goNext(props.offset, props.limit * multiplier, props.total)
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emit("go", offset2)
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}
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/////// KEYBOARD ////////////////////////////////////////////////////////////////
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onKeyStroke(["ArrowLeft", "ArrowRight", "Home", "End"], (e) => {
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let multiplier = 1
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switch (e.key) {
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case "ArrowLeft":
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multiplier = e.shiftKey ? 10 : 1
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goPrev(multiplier)
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break
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case "ArrowRight":
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multiplier = e.shiftKey ? 10 : 1
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goNext(multiplier)
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break
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case "Home":
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goStart()
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break
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case "End":
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goEnd()
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break
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}
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})
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</script>
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<template>
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<div class="pagination">
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<input type="button" @click="goStart()" class="start" value="«">
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<input type="button" @click="goPrev()" class="prev" value="‹">
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<span class="current">
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{{ offset }} - {{ offset + limit }}
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/ {{ total }}
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</span>
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<input type="button" @click="goNext()" class="next" value="›">
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<input type="button" @click="goEnd()" class="end" value="»">
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</div>
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</template>
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<style scoped lang="stylus">
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.pagination
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font-size 1.33rem
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display flex;
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gap 1em
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align-items center;
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justify-content center;
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margin -1em 0 1em 0;
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& > div
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cursor: pointer
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color #6464b5
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font-weight bold;
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&:hover
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color orange
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.start, .end, .prev, .next
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font-size 130%
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//width 1em
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.current
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width 12em;
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text-align center;
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input
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//all: unset
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border none
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width 1em
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</style>
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