Fixed #5643 - Reimplement: Accordion

components/lib/accordionheader/AccordionHeader.vue

@@ -0,0 +1,171 @@
+<template>
+    <component v-if="!asChild" :is="as" v-ripple :class="cx('root')" @click="onClick" v-bind="attrs">
+        <slot :active="$pcAccordionPanel.active"></slot>
+        <slot name="toggleicon" :active="$pcAccordionPanel.active" :class="cx('toggleicon')">
+            <component
+                v-if="$pcAccordionPanel.active"
+                :is="$pcAccordion.$slots.collapseicon ? $pcAccordion.$slots.collapseicon : $pcAccordion.collapseIcon ? 'span' : 'ChevronDownIcon'"
+                :class="[$pcAccordion.collapseIcon, cx('toggleicon')]"
+                aria-hidden="true"
+                v-bind="ptm('toggleicon', ptParams)"
+            ></component>
+            <component
+                v-else
+                :is="$pcAccordion.$slots.expandicon ? $pcAccordion.$slots.expandicon : $pcAccordion.expandIcon ? 'span' : 'ChevronUpIcon'"
+                :class="[$pcAccordion.expandIcon, cx('toggleicon')]"
+                aria-hidden="true"
+                v-bind="ptm('toggleicon', ptParams)"
+            ></component>
+        </slot>
+    </component>
+    <slot v-else :class="cx('root')" :active="$pcAccordionPanel.active" :a11yAttrs="a11yAttrs" :onClick="onClick"></slot>
+</template>
+
+<script>
+import ChevronDownIcon from 'primevue/icons/chevrondown';
+import ChevronUpIcon from 'primevue/icons/chevronup';
+import Ripple from 'primevue/ripple';
+import { DomHandler } from 'primevue/utils';
+import { mergeProps } from 'vue';
+import BaseAccordionHeader from './BaseAccordionHeader.vue';
+
+export default {
+    name: 'AccordionHeader',
+    extends: BaseAccordionHeader,
+    inheritAttrs: false,
+    inject: ['$pcAccordion', '$pcAccordionPanel'],
+    methods: {
+        onFocus() {
+            this.$pcAccordion.selectOnFocus && this.changeActiveValue();
+        },
+        onClick() {
+            this.changeActiveValue();
+        },
+        onKeydown(event) {
+            switch (event.code) {
+                case 'ArrowDown':
+                    this.onArrowDownKey(event);
+                    break;
+
+                case 'ArrowUp':
+                    this.onArrowUpKey(event);
+                    break;
+
+                case 'Home':
+                    this.onHomeKey(event);
+                    break;
+
+                case 'End':
+                    this.onEndKey(event);
+                    break;
+
+                case 'Enter':
+                case 'NumpadEnter':
+                case 'Space':
+                    this.onEnterKey(event);
+                    break;
+
+                default:
+                    break;
+            }
+        },
+        onArrowDownKey(event) {
+            const nextPanel = this.findNextPanel(this.findPanel(event.currentTarget));
+
+            nextPanel ? this.changeFocusedPanel(event, nextPanel) : this.onHomeKey(event);
+            event.preventDefault();
+        },
+        onArrowUpKey(event) {
+            const prevPanel = this.findPrevPanel(this.findPanel(event.currentTarget));
+
+            prevPanel ? this.changeFocusedPanel(event, prevPanel) : this.onEndKey(event);
+            event.preventDefault();
+        },
+        onHomeKey(event) {
+            const firstPanel = this.findFirstPanel();
+
+            this.changeFocusedPanel(event, firstPanel);
+            event.preventDefault();
+        },
+        onEndKey(event) {
+            const lastPanel = this.findLastPanel();
+
+            this.changeFocusedPanel(event, lastPanel);
+            event.preventDefault();
+        },
+        onEnterKey(event) {
+            this.changeActiveValue();
+            event.preventDefault();
+        },
+        findPanel(headerElement) {
+            return headerElement?.closest('[data-pc-name="accordionpanel"]');
+        },
+        findHeader(panelElement) {
+            return DomHandler.findSingle(panelElement, '[data-pc-name="accordionheader"]');
+        },
+        findNextPanel(panelElement, selfCheck = false) {
+            const element = selfCheck ? panelElement : panelElement.nextElementSibling;
+
+            return element ? (DomHandler.getAttribute(element, 'data-p-disabled') ? this.findNextPanel(element) : this.findHeader(element)) : null;
+        },
+        findPrevPanel(panelElement, selfCheck = false) {
+            const element = selfCheck ? panelElement : panelElement.previousElementSibling;
+
+            return element ? (DomHandler.getAttribute(element, 'data-p-disabled') ? this.findPrevPanel(element) : this.findHeader(element)) : null;
+        },
+        findFirstPanel() {
+            return this.findNextPanel(this.$pcAccordion.$el.firstElementChild, true);
+        },
+        findLastPanel() {
+            return this.findPrevPanel(this.$pcAccordion.$el.lastElementChild, true);
+        },
+        changeActiveValue() {
+            this.$pcAccordion.updateValue(this.$pcAccordionPanel.value);
+        },
+        changeFocusedPanel(event, element) {
+            DomHandler.focus(this.findHeader(element));
+        }
+    },
+    computed: {
+        id() {
+            return `${this.$pcAccordion.id}_accordionheader_${this.$pcAccordionPanel.value}`;
+        },
+        ariaControls() {
+            return `${this.$pcAccordion.id}_accordioncontent_${this.$pcAccordionPanel.value}`;
+        },
+        attrs() {
+            return mergeProps(this.asAttrs, this.a11yAttrs, this.ptmi('root', this.ptParams));
+        },
+        asAttrs() {
+            return this.as === 'BUTTON' ? { type: 'button', disabled: this.$pcAccordionPanel.disabled } : undefined;
+        },
+        a11yAttrs() {
+            return {
+                id: this.id,
+                tabindex: this.$pcAccordion.tabindex,
+                'aria-expanded': this.$pcAccordionPanel.active,
+                'aria-controls': this.ariaControls,
+                'data-pc-name': 'accordionheader',
+                'data-p-disabled': this.$pcAccordionPanel.disabled,
+                'data-p-active': this.$pcAccordionPanel.active,
+                onFocus: this.onFocus,
+                onKeydown: this.onKeydown
+            };
+        },
+        ptParams() {
+            return {
+                context: {
+                    active: this.$pcAccordionPanel.active
+                }
+            };
+        }
+    },
+    components: {
+        ChevronUpIcon,
+        ChevronDownIcon
+    },
+    directives: {
+        ripple: Ripple
+    }
+};
+</script>