414 lines
14 KiB
Vue
Executable File
414 lines
14 KiB
Vue
Executable File
<template>
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<tr
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ref="node"
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:class="containerClass"
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:style="node.style"
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:tabindex="tabindex"
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role="row"
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:aria-expanded="expanded"
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:aria-level="level + 1"
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:aria-setsize="ariaSetSize"
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:aria-posinset="ariaPosInset"
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:aria-selected="getAriaSelected"
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:aria-checked="checked || undefined"
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@click="onClick"
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@keydown="onKeyDown"
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@touchend="onTouchEnd"
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>
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<template v-for="(col, i) of columns" :key="columnProp(col, 'columnKey') || columnProp(col, 'field') || i">
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<TTBodyCell
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v-if="!columnProp(col, 'hidden')"
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:column="col"
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:node="node"
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:level="level"
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:leaf="leaf"
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:indentation="indentation"
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:expanded="expanded"
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:selectionMode="selectionMode"
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:checked="checked"
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:partialChecked="partialChecked"
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@node-toggle="$emit('node-toggle', $event)"
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@checkbox-toggle="toggleCheckbox"
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></TTBodyCell>
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</template>
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</tr>
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<template v-if="expanded && node.children && node.children.length">
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<TreeTableRow
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v-for="childNode of node.children"
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:key="childNode.key"
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:columns="columns"
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:node="childNode"
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:parentNode="node"
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:level="level + 1"
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:expandedKeys="expandedKeys"
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:selectionMode="selectionMode"
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:selectionKeys="selectionKeys"
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:indentation="indentation"
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:ariaPosInset="node.children.indexOf(childNode) + 1"
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:ariaSetSize="node.children.length"
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@node-toggle="$emit('node-toggle', $event)"
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@node-click="$emit('node-click', $event)"
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@checkbox-change="onCheckboxChange"
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/>
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</template>
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</template>
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<script>
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import { DomHandler, ObjectUtils } from 'primevue/utils';
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import BodyCell from './BodyCell.vue';
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export default {
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name: 'TreeTableRow',
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emits: ['node-click', 'node-toggle', 'checkbox-change', 'nodeClick', 'nodeToggle', 'checkboxChange'],
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props: {
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node: {
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type: null,
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default: null
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},
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parentNode: {
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type: null,
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default: null
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},
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columns: {
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type: null,
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default: null
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},
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expandedKeys: {
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type: null,
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default: null
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},
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selectionKeys: {
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type: null,
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default: null
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},
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selectionMode: {
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type: String,
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default: null
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},
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level: {
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type: Number,
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default: 0
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},
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indentation: {
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type: Number,
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default: 1
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},
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tabindex: {
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type: Number,
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default: -1
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},
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ariaSetSize: {
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type: Number,
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default: null
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},
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ariaPosInset: {
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type: Number,
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default: null
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}
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},
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nodeTouched: false,
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methods: {
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columnProp(col, prop) {
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return ObjectUtils.getVNodeProp(col, prop);
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},
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toggle() {
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this.$emit('node-toggle', this.node);
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},
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onClick(event) {
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if (DomHandler.isClickable(event.target) || DomHandler.hasClass(event.target, 'p-treetable-toggler') || DomHandler.hasClass(event.target.parentElement, 'p-treetable-toggler')) {
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return;
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}
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this.setTabIndexForSelectionMode(event, this.nodeTouched);
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this.$emit('node-click', {
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originalEvent: event,
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nodeTouched: this.nodeTouched,
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node: this.node
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});
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this.nodeTouched = false;
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},
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onTouchEnd() {
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this.nodeTouched = true;
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},
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onKeyDown(event, item) {
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switch (event.code) {
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case 'ArrowDown':
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this.onArrowDownKey(event);
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break;
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case 'ArrowUp':
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this.onArrowUpKey(event);
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break;
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case 'ArrowLeft':
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this.onArrowLeftKey(event);
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break;
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case 'ArrowRight':
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this.onArrowRightKey(event);
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break;
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case 'Home':
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this.onHomeKey(event);
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break;
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case 'End':
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this.onEndKey(event);
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break;
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case 'Enter':
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case 'Space':
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this.onEnterKey(event, item);
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break;
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case 'Tab':
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this.onTabKey(event);
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break;
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default:
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break;
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}
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},
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onArrowDownKey(event) {
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const nextElementSibling = event.currentTarget.nextElementSibling;
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nextElementSibling && this.focusRowChange(event.currentTarget, nextElementSibling);
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event.preventDefault();
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},
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onArrowUpKey(event) {
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const previousElementSibling = event.currentTarget.previousElementSibling;
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previousElementSibling && this.focusRowChange(event.currentTarget, previousElementSibling);
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event.preventDefault();
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},
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onArrowRightKey(event) {
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const ishiddenIcon = DomHandler.findSingle(event.currentTarget, 'button').style.visibility === 'hidden';
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const togglerElement = DomHandler.findSingle(this.$refs.node, '.p-treetable-toggler');
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if (ishiddenIcon) return;
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!this.expanded && togglerElement.click();
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this.$nextTick(() => {
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this.onArrowDownKey(event);
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});
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event.preventDefault();
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},
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onArrowLeftKey(event) {
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if (this.level === 0 && !this.expanded) {
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return;
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}
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const currentTarget = event.currentTarget;
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const ishiddenIcon = DomHandler.findSingle(currentTarget, 'button').style.visibility === 'hidden';
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const togglerElement = DomHandler.findSingle(currentTarget, '.p-treetable-toggler');
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if (this.expanded && !ishiddenIcon) {
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togglerElement.click();
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return;
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}
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const target = this.findBeforeClickableNode(currentTarget);
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target && this.focusRowChange(currentTarget, target);
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},
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onHomeKey(event) {
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const findFirstElement = DomHandler.findSingle(event.currentTarget.parentElement, `tr[aria-level="${this.level + 1}"]`);
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findFirstElement && DomHandler.focus(findFirstElement);
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event.preventDefault();
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},
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onEndKey(event) {
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const nodes = DomHandler.find(event.currentTarget.parentElement, `tr[aria-level="${this.level + 1}"]`);
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const findFirstElement = nodes[nodes.length - 1];
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DomHandler.focus(findFirstElement);
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event.preventDefault();
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},
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onEnterKey(event) {
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event.preventDefault();
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this.setTabIndexForSelectionMode(event, this.nodeTouched);
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if (this.selectionMode === 'checkbox') {
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this.toggleCheckbox();
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return;
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}
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this.$emit('node-click', {
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originalEvent: event,
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nodeTouched: this.nodeTouched,
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node: this.node
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});
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this.nodeTouched = false;
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},
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onTabKey() {
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const rows = [...DomHandler.find(this.$refs.node.parentElement, 'tr')];
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const hasSelectedRow = rows.some((row) => DomHandler.hasClass(row, 'p-highlight') || row.getAttribute('aria-checked') === 'true');
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rows.forEach((row) => {
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row.tabIndex = -1;
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});
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if (hasSelectedRow) {
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const selectedNodes = rows.filter((node) => DomHandler.hasClass(node, 'p-highlight') || node.getAttribute('aria-checked') === 'true');
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selectedNodes[0].tabIndex = 0;
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return;
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}
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rows[0].tabIndex = 0;
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},
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focusRowChange(firstFocusableRow, currentFocusedRow) {
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firstFocusableRow.tabIndex = '-1';
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currentFocusedRow.tabIndex = '0';
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DomHandler.focus(currentFocusedRow);
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},
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findBeforeClickableNode(node) {
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const prevNode = node.previousElementSibling;
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if (prevNode) {
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const prevNodeButton = prevNode.querySelector('button');
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if (prevNodeButton && prevNodeButton.style.visibility !== 'hidden') {
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return prevNode;
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}
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return this.findBeforeClickableNode(prevNode);
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}
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return null;
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},
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toggleCheckbox() {
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let _selectionKeys = this.selectionKeys ? { ...this.selectionKeys } : {};
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const _check = !this.checked;
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this.propagateDown(this.node, _check, _selectionKeys);
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this.$emit('checkbox-change', {
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node: this.node,
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check: _check,
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selectionKeys: _selectionKeys
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});
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},
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propagateDown(node, check, selectionKeys) {
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if (check) selectionKeys[node.key] = { checked: true, partialChecked: false };
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else delete selectionKeys[node.key];
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if (node.children && node.children.length) {
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for (let child of node.children) {
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this.propagateDown(child, check, selectionKeys);
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}
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}
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},
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propagateUp(event) {
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let check = event.check;
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let _selectionKeys = { ...event.selectionKeys };
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let checkedChildCount = 0;
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let childPartialSelected = false;
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for (let child of this.node.children) {
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if (_selectionKeys[child.key] && _selectionKeys[child.key].checked) checkedChildCount++;
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else if (_selectionKeys[child.key] && _selectionKeys[child.key].partialChecked) childPartialSelected = true;
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}
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if (check && checkedChildCount === this.node.children.length) {
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_selectionKeys[this.node.key] = { checked: true, partialChecked: false };
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} else {
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if (!check) {
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delete _selectionKeys[this.node.key];
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}
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if (childPartialSelected || (checkedChildCount > 0 && checkedChildCount !== this.node.children.length)) _selectionKeys[this.node.key] = { checked: false, partialChecked: true };
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else _selectionKeys[this.node.key] = { checked: false, partialChecked: false };
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}
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this.$emit('checkbox-change', {
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node: event.node,
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check: event.check,
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selectionKeys: _selectionKeys
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});
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},
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onCheckboxChange(event) {
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let check = event.check;
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let _selectionKeys = { ...event.selectionKeys };
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let checkedChildCount = 0;
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let childPartialSelected = false;
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for (let child of this.node.children) {
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if (_selectionKeys[child.key] && _selectionKeys[child.key].checked) checkedChildCount++;
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else if (_selectionKeys[child.key] && _selectionKeys[child.key].partialChecked) childPartialSelected = true;
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}
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if (check && checkedChildCount === this.node.children.length) {
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_selectionKeys[this.node.key] = { checked: true, partialChecked: false };
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} else {
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if (!check) {
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delete _selectionKeys[this.node.key];
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}
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if (childPartialSelected || (checkedChildCount > 0 && checkedChildCount !== this.node.children.length)) _selectionKeys[this.node.key] = { checked: false, partialChecked: true };
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else _selectionKeys[this.node.key] = { checked: false, partialChecked: false };
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}
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this.$emit('checkbox-change', {
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node: event.node,
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check: event.check,
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selectionKeys: _selectionKeys
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});
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},
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setTabIndexForSelectionMode(event, nodeTouched) {
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if (this.selectionMode !== null) {
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const elements = [...DomHandler.find(this.$refs.node.parentElement, 'tr')];
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event.currentTarget.tabIndex = nodeTouched === false ? -1 : 0;
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if (elements.every((element) => element.tabIndex === -1)) {
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elements[0].tabIndex = 0;
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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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containerClass() {
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return [
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this.node.styleClass,
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{
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'p-highlight': this.selected
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}
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];
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},
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expanded() {
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return this.expandedKeys && this.expandedKeys[this.node.key] === true;
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},
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leaf() {
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return this.node.leaf === false ? false : !(this.node.children && this.node.children.length);
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},
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selected() {
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return this.selectionMode && this.selectionKeys ? this.selectionKeys[this.node.key] === true : false;
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},
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checked() {
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return this.selectionKeys ? this.selectionKeys[this.node.key] && this.selectionKeys[this.node.key].checked : false;
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},
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partialChecked() {
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return this.selectionKeys ? this.selectionKeys[this.node.key] && this.selectionKeys[this.node.key].partialChecked : false;
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},
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getAriaSelected() {
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return this.selectionMode === 'single' || this.selectionMode === 'multiple' ? this.selected : null;
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}
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},
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components: {
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TTBodyCell: BodyCell
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}
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};
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</script>
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