Revert "⌨️Add autocomplete widget with command line completion"
This commit is contained in:
Liyas Thomas
GitHub
@@ -1,190 +0,0 @@
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<template>
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<div class="autocomplete-wrapper">
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<label>
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<slot />
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<input type="text"
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:placeholder="placeholder"
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v-model="value"
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@input="updateSuggestions"
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@keyup="updateSuggestions"
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@click="updateSuggestions"
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@keydown="handleKeystroke"
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ref="acInput"
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:spellcheck="spellcheck"
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:autocapitalize="spellcheck"
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:autocorrect="spellcheck">
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<ul class="suggestions" v-if="suggestions.length > 0 && suggestionsVisible" :style="{ transform: `translate(${suggestionsOffsetLeft}px, 0)` }">
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<li v-for="(suggestion, index) in suggestions" @click.prevent="forceSuggestion(suggestion)" :class="{ active: currentSuggestionIndex === index }">{{ suggestion }}</li>
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</ul>
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</label>
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</div>
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</template>
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<style lang="scss" scoped>
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.autocomplete-wrapper {
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position: relative;
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input:focus + ul.suggestions, ul.suggestions:hover {
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display: block;
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}
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ul.suggestions {
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display: none;
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background-color: var(--atc-color);
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position: absolute;
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top: 90%;
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margin: 0 4px;
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left: 0;
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padding: 0;
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border-radius: 0 0 4px 4px;
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z-index: 9999;
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transition: transform 200ms ease-out;
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li {
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width: 100%;
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display: block;
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margin: 5px 0;
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padding: 10px 10px;
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font-weight: 700;
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font-size: 18px;
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font-family: monospace;
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white-space: pre-wrap;
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&:hover, &.active {
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background-color: var(--ac-color);
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}
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}
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}
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}
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</style>
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<script>
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const KEY_TAB = 9;
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const KEY_ESC = 27;
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const KEY_ARROW_UP = 38;
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const KEY_ARROW_DOWN = 40;
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export default {
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props: {
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spellcheck: {
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type: Boolean,
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default: true,
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required: false
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},
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placeholder: {
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type: String,
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default: 'Start typing...',
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required: false
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},
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source: {
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type: Array,
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required: true
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},
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value: {}
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},
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watch: {
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value () {
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this.$emit('input', this.value);
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}
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},
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data () {
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return {
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value: "",
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selectionStart: 0,
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suggestionsOffsetLeft: 0,
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currentSuggestionIndex: -1,
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suggestionsVisible: false
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}
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},
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methods: {
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updateSuggestions (event) {
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// Hide suggestions if ESC pressed.
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if(event.which && event.which === KEY_ESC){
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event.preventDefault();
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this.suggestionsVisible = false;
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this.currentSuggestionIndex = -1;
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return;
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}
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// As suggestions is a reactive property, this implicitly
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// causes suggestions to update.
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this.selectionStart = this.$refs.acInput.selectionStart;
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this.suggestionsOffsetLeft = (12 * this.selectionStart);
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this.suggestionsVisible = true;
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},
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forceSuggestion (text) {
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let input = this.value.substring(0, this.selectionStart);
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this.value = input + text;
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this.selectionStart = this.value.length;
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this.suggestionsVisible = true;
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this.currentSuggestionIndex = -1;
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},
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handleKeystroke (event) {
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if(event.which === KEY_ARROW_UP){
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event.preventDefault();
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this.currentSuggestionIndex = this.currentSuggestionIndex - 1 >= 0
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? this.currentSuggestionIndex - 1
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: 0;
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}else if(event.which === KEY_ARROW_DOWN){
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event.preventDefault();
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this.currentSuggestionIndex = this.currentSuggestionIndex < this.suggestions.length - 1
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? this.currentSuggestionIndex + 1
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: this.suggestions.length - 1;
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}
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if(event.which === KEY_TAB){
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event.preventDefault();
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let activeSuggestion = this.suggestions[this.currentSuggestionIndex >= 0 ? this.currentSuggestionIndex : 0];
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if(activeSuggestion){
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let input = this.value.substring(0, this.selectionStart);
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this.value = input + activeSuggestion;
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}
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}
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}
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},
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computed: {
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/**
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* Gets the suggestions list to be displayed under the input box.
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*
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* @returns {default.props.source|{type, required}}
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*/
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suggestions () {
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let input = this.value.substring(0, this.selectionStart);
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return this.source.filter((entry) => {
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return entry.toLowerCase().startsWith(input.toLowerCase())
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&& input.toLowerCase() !== entry.toLowerCase();
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})
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// Cut off the part that's already been typed.
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.map((entry) => entry.substring(this.selectionStart))
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// We only want the top 3 suggestions.
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.slice(0, 3);
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}
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},
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mounted () {
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this.updateSuggestions({
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target: this.$refs.acInput
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});
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}
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}
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</script>
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