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54 lines
1.7 KiB
JavaScript
54 lines
1.7 KiB
JavaScript
import {onChildEvent} from "../services/dom";
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import {uniqueId} from "../services/util";
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/**
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* AddRemoveRows
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* Allows easy row add/remove controls onto a table.
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* Needs a model row to use when adding a new row.
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* @extends {Component}
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*/
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class AddRemoveRows {
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setup() {
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this.modelRow = this.$refs.model;
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this.addButton = this.$refs.add;
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this.removeSelector = this.$opts.removeSelector;
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this.rowSelector = this.$opts.rowSelector;
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this.setupListeners();
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}
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setupListeners() {
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this.addButton.addEventListener('click', this.add.bind(this));
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onChildEvent(this.$el, this.removeSelector, 'click', (e) => {
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const row = e.target.closest(this.rowSelector);
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row.remove();
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});
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}
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// For external use
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add() {
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const clone = this.modelRow.cloneNode(true);
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clone.classList.remove('hidden');
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this.setClonedInputNames(clone);
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this.modelRow.parentNode.insertBefore(clone, this.modelRow);
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window.components.init(clone);
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}
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/**
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* Update the HTML names of a clone to be unique if required.
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* Names can use placeholder values. For exmaple, a model row
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* may have name="tags[randrowid][name]".
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* These are the available placeholder values:
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* - randrowid - An random string ID, applied the same across the row.
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* @param {HTMLElement} clone
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*/
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setClonedInputNames(clone) {
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const rowId = uniqueId();
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const randRowIdElems = clone.querySelectorAll(`[name*="randrowid"]`);
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for (const elem of randRowIdElems) {
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elem.name = elem.name.split('randrowid').join(rowId);
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}
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}
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}
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export default AddRemoveRows; |