primevue-mirror/components/cascadeselect/CascadeSelectSub.vue

137 lines
6.0 KiB
Vue

<template>
<ul class="p-cascadeselect-panel p-cascadeselect-items">
<template v-for="(processedOption, index) of options" :key="getOptionLabelToRender(processedOption)">
<li
:id="getOptionId(processedOption)"
:class="getOptionClass(processedOption)"
role="treeitem"
:aria-label="getOptionLabelToRender(processedOption)"
:aria-selected="isOptionGroup(processedOption) ? undefined : isOptionSelected(processedOption)"
:aria-expanded="isOptionGroup(processedOption) ? isOptionActive(processedOption) : undefined"
:aria-level="level + 1"
:aria-setsize="options.length"
:aria-posinset="index + 1"
>
<div v-ripple class="p-cascadeselect-item-content" @click="onOptionClick($event, processedOption)">
<component v-if="templates['option']" :is="templates['option']" :option="processedOption.option" />
<span v-else class="p-cascadeselect-item-text">{{ getOptionLabelToRender(processedOption) }}</span>
<span v-if="isOptionGroup(processedOption)" :class="['p-cascadeselect-group-icon', optionGroupIcon]" aria-hidden="true"></span>
</div>
<CascadeSelectSub
v-if="isOptionGroup(processedOption) && isOptionActive(processedOption)"
role="group"
class="p-cascadeselect-sublist"
:selectId="selectId"
:focusedOptionId="focusedOptionId"
:options="getOptionGroupChildren(processedOption)"
:activeOptionPath="activeOptionPath"
:level="level + 1"
:templates="templates"
:optionLabel="optionLabel"
:optionValue="optionValue"
:optionDisabled="optionDisabled"
:optionGroupIcon="optionGroupIcon"
:optionGroupLabel="optionGroupLabel"
:optionGroupChildren="optionGroupChildren"
@option-change="onOptionChange"
/>
</li>
</template>
</ul>
</template>
<script>
import Ripple from 'primevue/ripple';
import { DomHandler, ObjectUtils } from 'primevue/utils';
export default {
name: 'CascadeSelectSub',
emits: ['option-change'],
props: {
selectId: String,
focusedOptionId: String,
options: Array,
optionLabel: String,
optionValue: String,
optionDisabled: null,
optionGroupIcon: String,
optionGroupLabel: String,
optionGroupChildren: Array,
activeOptionPath: Array,
level: Number,
templates: null
},
mounted() {
if (ObjectUtils.isNotEmpty(this.parentKey)) {
this.position();
}
},
methods: {
getOptionId(processedOption) {
return `${this.selectId}_${processedOption.key}`;
},
getOptionLabel(processedOption) {
return this.optionLabel ? ObjectUtils.resolveFieldData(processedOption.option, this.optionLabel) : processedOption.option;
},
getOptionValue(processedOption) {
return this.optionValue ? ObjectUtils.resolveFieldData(processedOption.option, this.optionValue) : processedOption.option;
},
isOptionDisabled(processedOption) {
return this.optionDisabled ? ObjectUtils.resolveFieldData(processedOption.option, this.optionDisabled) : false;
},
getOptionGroupLabel(processedOption) {
return this.optionGroupLabel ? ObjectUtils.resolveFieldData(processedOption.option, this.optionGroupLabel) : null;
},
getOptionGroupChildren(processedOption) {
return processedOption.children;
},
isOptionGroup(processedOption) {
return ObjectUtils.isNotEmpty(processedOption.children);
},
isOptionSelected(processedOption) {
return !this.isOptionGroup(processedOption) && this.isOptionActive(processedOption);
},
isOptionActive(processedOption) {
return this.activeOptionPath.some((path) => path.key === processedOption.key);
},
isOptionFocused(processedOption) {
return this.focusedOptionId === this.getOptionId(processedOption);
},
getOptionLabelToRender(processedOption) {
return this.isOptionGroup(processedOption) ? this.getOptionGroupLabel(processedOption) : this.getOptionLabel(processedOption);
},
onOptionClick(event, processedOption) {
this.$emit('option-change', { originalEvent: event, processedOption, isFocus: true });
},
onOptionChange(event) {
this.$emit('option-change', event);
},
position() {
const parentItem = this.$el.parentElement;
const containerOffset = DomHandler.getOffset(parentItem);
const viewport = DomHandler.getViewport();
const sublistWidth = this.$el.offsetParent ? this.$el.offsetWidth : DomHandler.getHiddenElementOuterWidth(this.$el);
const itemOuterWidth = DomHandler.getOuterWidth(parentItem.children[0]);
if (parseInt(containerOffset.left, 10) + itemOuterWidth + sublistWidth > viewport.width - DomHandler.calculateScrollbarWidth()) {
this.$el.style.left = '-100%';
}
},
getOptionClass(processedOption) {
return [
'p-cascadeselect-item',
{
'p-cascadeselect-item-group': this.isOptionGroup(processedOption),
'p-cascadeselect-item-active p-highlight': this.isOptionActive(processedOption),
'p-focus': this.isOptionFocused(processedOption),
'p-disabled': this.isOptionDisabled(processedOption)
}
];
}
},
directives: {
ripple: Ripple
}
};
</script>