forked from platypush/platypush
Autocomplete is now its own component.
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5 changed files with 248 additions and 161 deletions
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@ -1,128 +0,0 @@
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function autocomplete(inp, arr, listener) {
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/*the autocomplete function takes two arguments,
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the text field element and an array of possible autocompleted values:*/
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let currentFocus;
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/*execute a function when someone writes in the text field:*/
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inp.addEventListener("input", function() {
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let a, b, i, val = this.value;
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/*close any already open lists of autocompleted values*/
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closeAllLists();
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if (!val) {
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return false;
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}
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currentFocus = -1;
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/*create a DIV element that will contain the items (values):*/
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a = document.createElement("DIV");
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a.setAttribute("id", this.id + "autocomplete-list");
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a.setAttribute("class", "autocomplete-items");
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/*append the DIV element as a child of the autocomplete container:*/
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this.parentNode.appendChild(a);
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/*for each item in the array...*/
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for (i = 0; i < arr.length; i++) {
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/*check if the item starts with the same letters as the text field value:*/
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if (arr[i].substr(0, val.length).toUpperCase() === val.toUpperCase()) {
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/*create a DIV element for each matching element:*/
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b = document.createElement("DIV");
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/*make the matching letters bold:*/
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b.innerHTML = "<strong>" + arr[i].substr(0, val.length) + "</strong>";
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b.innerHTML += arr[i].substr(val.length);
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/*insert a input field that will hold the current array item's value:*/
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b.innerHTML += "<input type='hidden' value='" + arr[i] + "'>";
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/*execute a function when someone clicks on the item value (DIV element):*/
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b.addEventListener("click", function(e) {
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/*insert the value for the autocomplete text field:*/
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inp.value = this.getElementsByTagName("input")[0].value;
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/*trigger event listener if any:*/
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if (listener) {
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listener(e, inp.value);
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}
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/*close the list of autocompleted values,
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(or any other open lists of autocompleted values:*/
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closeAllLists();
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});
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a.appendChild(b);
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}
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}
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});
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inp.addEventListener("keyup", function(e) {
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if (["ArrowUp", "ArrowDown", "Tab", "Enter"].indexOf(e.key) >= 0) {
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e.stopPropagation();
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}
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if (e.key === "Enter") {
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this.blur();
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}
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});
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/*execute a function presses a key on the keyboard:*/
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inp.addEventListener("keydown", function(e) {
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let x = document.getElementById(this.id + "autocomplete-list");
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if (x) x = x.getElementsByTagName("div");
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if (e.key === 'ArrowDown' || (e.key === 'Tab' && !e.shiftKey)) {
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/*If the arrow DOWN key is pressed,
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increase the currentFocus variable:*/
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currentFocus++;
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/*and and make the current item more visible:*/
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addActive(x);
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e.preventDefault();
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} else if (e.key === 'ArrowUp' || (e.key === 'Tab' && e.shiftKey)) { //up
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/*If the arrow UP key is pressed,
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decrease the currentFocus variable:*/
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currentFocus--;
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/*and and make the current item more visible:*/
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addActive(x);
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e.preventDefault();
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} else if (e.key === 'Enter') {
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/*If the ENTER key is pressed, prevent the form from being submitted,*/
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if (currentFocus > -1 && x && x.length) {
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e.preventDefault();
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/*and simulate a click on the "active" item:*/
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x[currentFocus].click();
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/*and restore the focus on the input element:*/
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this.focus();
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}
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}
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});
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function addActive(x) {
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/*a function to classify an item as "active":*/
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if (!x) return false;
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/*start by removing the "active" class on all items:*/
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removeActive(x);
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if (currentFocus >= x.length) currentFocus = 0;
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if (currentFocus < 0) currentFocus = (x.length - 1);
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/*add class "autocomplete-active":*/
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x[currentFocus].classList.add("autocomplete-active");
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}
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function removeActive(x) {
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/*a function to remove the "active" class from all autocomplete items:*/
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for (let i = 0; i < x.length; i++) {
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x[i].classList.remove("autocomplete-active");
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}
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}
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function closeAllLists(elmnt) {
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/*close all autocomplete lists in the document,
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except the one passed as an argument:*/
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const x = document.getElementsByClassName("autocomplete-items");
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for (let i = 0; i < x.length; i++) {
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if (elmnt !== x[i] && elmnt !== inp) {
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x[i].parentNode.removeChild(x[i]);
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}
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}
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}
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/*execute a function when someone clicks in the document:*/
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document.addEventListener("click", function (e) {
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closeAllLists(e.target);
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});
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}
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export default autocomplete;
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@ -0,0 +1,247 @@
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<template>
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<div class="autocomplete">
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<label :text="label">
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<input
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type="text"
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class="input"
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ref="input"
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:placeholder="placeholder"
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:disabled="disabled"
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:value="value"
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@focus="onFocus"
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@input="onInput"
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@blur="onInput"
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@keydown="onInputKeyDown"
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@keyup="onInputKeyUp"
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>
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</label>
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<div class="items" v-if="showItems">
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<div
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class="item"
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:class="{ active: i === curIndex }"
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:key="item"
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:data-item="item"
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v-for="(item, i) in visibleItems"
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@click="onItemSelect(item)"
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>
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<span class="matching">{{ item.substr(0, value.length) }}</span>
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<span class="normal">{{ item.substr(value.length) }}</span>
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</div>
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</div>
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</div>
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</template>
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<script>
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export default {
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name: "Autocomplete",
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emits: ["input"],
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props: {
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items: {
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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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type: String,
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default: "",
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},
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disabled: {
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type: Boolean,
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default: false,
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},
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label: {
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type: String,
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},
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placeholder: {
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type: String,
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},
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showResultsWhenBlank: {
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type: Boolean,
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default: false,
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},
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},
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data() {
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return {
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visible: false,
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curIndex: -1,
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}
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},
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computed: {
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visibleItems() {
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const val = this.value.toUpperCase()
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if (!val?.length)
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return this.showResultsWhenBlank ? this.items : []
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return this.items.filter(
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(item) => item.substr(0, val.length).toUpperCase() === val
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)
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},
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showItems() {
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return this.visible && this.items?.length
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},
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},
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methods: {
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selectNextItem() {
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this.curIndex++
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this.normalizeIndex()
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},
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selectPrevItem() {
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this.curIndex--
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this.normalizeIndex()
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},
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normalizeIndex() {
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// Go to the beginning after reaching the end
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if (this.curIndex >= this.visibleItems.length)
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this.curIndex = 0
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// Go to the end after moving back from the start
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if (this.curIndex < 0)
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this.curIndex = this.visibleItems.length - 1
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// Scroll to the element
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const el = this.$el.querySelector("[data-item='" + this.visibleItems[this.curIndex] + "']")
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if (el)
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el.scrollIntoView({
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block: "start",
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inline: "nearest",
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behavior: "smooth",
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})
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},
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valueIsInItems() {
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return this.items.indexOf(this.value) >= 0
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},
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onFocus() {
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if (this.showResultsWhenBlank || this.value?.length)
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this.visible = true
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},
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onInput(e) {
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let val = e.target.value
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if (this.valueIsInItems())
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this.visible = false
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e.stopPropagation()
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this.$emit("input", val)
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this.curIndex = -1
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this.visible = true
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},
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onItemSelect(item) {
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this.$emit("input", item)
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this.$nextTick(() => {
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if (this.valueIsInItems()) {
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this.visible = false
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}
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})
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},
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onInputKeyUp(e) {
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if (["ArrowUp", "ArrowDown", "Tab", "Enter", "Escape"].indexOf(e.key) >= 0)
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e.stopPropagation()
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if (e.key === "Enter" && this.valueIsInItems()) {
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this.$refs.input.blur()
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this.visible = false
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}
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},
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onInputKeyDown(e) {
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if (
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e.key === 'ArrowDown' ||
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(e.key === 'Tab' && !e.shiftKey) ||
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(e.key === 'j' && e.ctrlKey)
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) {
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this.selectNextItem()
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e.preventDefault()
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} else if (
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e.key === 'ArrowUp' ||
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(e.key === 'Tab' && e.shiftKey) ||
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(e.key === 'k' && e.ctrlKey)
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) {
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this.selectPrevItem()
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e.preventDefault()
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} else if (e.key === 'Enter') {
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if (this.curIndex > -1 && this.visible) {
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e.preventDefault()
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this.onItemSelect(this.visibleItems[this.curIndex])
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this.$refs.input.focus()
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}
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} else if (e.key === 'Escape') {
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this.visible = false
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}
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},
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onDocumentClick(e) {
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if (this.$el.contains(e.target) || e.target.classList.contains("item"))
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return
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this.visible = false
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},
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},
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mounted() {
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document.addEventListener("click", this.onDocumentClick)
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},
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}
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</script>
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<style lang="scss" scoped>
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.autocomplete {
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width: 100%;
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position: relative;
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display: inline-block;
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.input {
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width: 100%;
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box-shadow: $search-bar-shadow;
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}
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.items {
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width: 100%;
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max-height: 50vh;
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position: absolute;
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overflow: auto;
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border: $default-border-2;
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border-bottom: none;
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border-top: none;
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border-radius: 1em;
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box-shadow: $search-bar-shadow;
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z-index: 99;
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top: 100%;
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left: 0;
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right: 0;
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.item {
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padding: 1em;
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cursor: pointer;
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border-bottom: $default-border-2;
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background-color: $background-color;
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&:hover {
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background-color: $hover-bg-2;
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}
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.matching {
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font-weight: bold;
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}
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}
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}
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.active {
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background-color: $hover-bg-2 !important;
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}
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}
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</style>
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@ -2,7 +2,6 @@ $section-shadow: 0 3px 3px 0 rgba(187,187,187,0.75), 0 3px 3px 0 rgba(187,187,18
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$title-bg: #eee;
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$title-border: 1px solid #ddd;
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$title-shadow: 0 3px 3px 0 rgba(187,187,187,0.75);
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$action-name-shadow: 1px 1px 1px 1px #ddd;
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$extra-params-btn-bg: #eee;
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$response-bg: linear-gradient(#dbffe5, #d5ecdc);
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$error-bg: linear-gradient(#ffd9d9, #e6cbcb);
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@ -1,32 +0,0 @@
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.autocomplete {
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/*the container must be positioned relative:*/
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position: relative;
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display: inline-block;
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}
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.autocomplete-items {
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position: absolute;
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border: $default-border-2;
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border-bottom: none;
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border-top: none;
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z-index: 99;
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/*position the autocomplete items to be the same width as the container:*/
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top: 100%;
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left: 0;
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right: 0;
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div {
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padding: 1em;
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cursor: pointer;
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border-bottom: $default-border-2;
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background-color: $background-color;
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&:hover {
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background-color: $hover-bg-2;
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}
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}
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}
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.autocomplete-active {
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background-color: $hover-bg-2 !important;
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}
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@ -62,6 +62,7 @@ $border-shadow-bottom-right: 2.5px 2.5px 3px 0 $default-shadow-color;
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$header-shadow: 0px 1px 3px 1px #bbb !default;
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$group-shadow: 3px -2px 6px 1px #98b0a0;
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$primary-btn-shadow: 1px 1px 0.5px 0.75px #32b64640 !default;
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$search-bar-shadow: 1px 1px 1px 1px #ddd !default;
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//// Modals
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$modal-header-bg: #e0e0e0 !default;
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