primevue-mirror/components/orderlist/OrderList.vue

416 lines
13 KiB
Vue
Executable File

<template>
<div :class="containerClass">
<div class="p-orderlist-controls">
<slot name="controlsstart"></slot>
<OLButton type="button" icon="pi pi-angle-up" @click="moveUp"></OLButton>
<OLButton type="button" icon="pi pi-angle-double-up" @click="moveTop"></OLButton>
<OLButton type="button" icon="pi pi-angle-down" @click="moveDown"></OLButton>
<OLButton type="button" icon="pi pi-angle-double-down" @click="moveBottom"></OLButton>
<slot name="controlsend"></slot>
</div>
<div class="p-orderlist-list-container">
<div class="p-orderlist-header" v-if="$slots.header">
<slot name="header"></slot>
</div>
<transition-group ref="list" name="p-orderlist-flip" tag="ul" class="p-orderlist-list" :style="listStyle" role="listbox" aria-multiselectable="multiple">
<template v-for="(item, i) of modelValue" :key="getItemKey(item, i)">
<li tabindex="0" :class="['p-orderlist-item', {'p-highlight': isSelected(item)}]" v-ripple
@click="onItemClick($event, item, i)" @keydown="onItemKeyDown($event, item, i)" @touchend="onItemTouchEnd"
role="option" :aria-selected="isSelected(item)">
<slot name="item" :item="item" :index="i"> </slot>
</li>
</template>
</transition-group>
</div>
</div>
</template>
<script>
import Button from 'primevue/button';
import {ObjectUtils,UniqueComponentId,DomHandler} from 'primevue/utils';
import Ripple from 'primevue/ripple';
export default {
name: 'OrderList',
emits: ['update:modelValue', 'reorder', 'update:selection', 'selection-change'],
props: {
modelValue: {
type: Array,
default: null
},
selection: {
type: Array,
default: null
},
dataKey: {
type: String,
default: null
},
listStyle: {
type: null,
default: null
},
metaKeySelection: {
type: Boolean,
default: true
},
responsive: {
type: Boolean,
default: true
},
breakpoint: {
type: String,
default: '960px'
},
stripedRows: {
type: Boolean,
default: false
}
},
itemTouched: false,
reorderDirection: null,
styleElement: null,
data() {
return {
d_selection: this.selection
}
},
beforeUnmount() {
this.destroyStyle();
},
updated() {
if (this.reorderDirection) {
this.updateListScroll();
this.reorderDirection = null;
}
},
mounted() {
if (this.responsive) {
this.createStyle();
}
},
methods: {
getItemKey(item, index) {
return this.dataKey ? ObjectUtils.resolveFieldData(item, this.dataKey): index;
},
isSelected(item) {
return ObjectUtils.findIndexInList(item, this.d_selection) != -1;
},
moveUp(event) {
if (this.d_selection) {
let value = [...this.modelValue];
for (let i = 0; i < this.d_selection.length; i++) {
let selectedItem = this.d_selection[i];
let selectedItemIndex = ObjectUtils.findIndexInList(selectedItem, value);
if (selectedItemIndex !== 0) {
let movedItem = value[selectedItemIndex];
let temp = value[selectedItemIndex - 1];
value[selectedItemIndex - 1] = movedItem;
value[selectedItemIndex] = temp;
}
else {
break;
}
}
this.reorderDirection = 'up';
this.$emit('update:modelValue', value);
this.$emit('reorder', {
originalEvent: event,
value: value,
direction: this.reorderDirection
});
}
},
moveTop(event) {
if(this.d_selection) {
let value = [...this.modelValue];
for (let i = 0; i < this.d_selection.length; i++) {
let selectedItem = this.d_selection[i];
let selectedItemIndex = ObjectUtils.findIndexInList(selectedItem, value);
if (selectedItemIndex !== 0) {
let movedItem = value.splice(selectedItemIndex, 1)[0];
value.unshift(movedItem);
}
else {
break;
}
}
this.reorderDirection = 'top';
this.$emit('update:modelValue', value);
this.$emit('reorder', {
originalEvent: event,
value: value,
direction: this.reorderDirection
});
}
},
moveDown(event) {
if(this.d_selection) {
let value = [...this.modelValue];
for (let i = this.d_selection.length - 1; i >= 0; i--) {
let selectedItem = this.d_selection[i];
let selectedItemIndex = ObjectUtils.findIndexInList(selectedItem, value);
if (selectedItemIndex !== (value.length - 1)) {
let movedItem = value[selectedItemIndex];
let temp = value[selectedItemIndex + 1];
value[selectedItemIndex + 1] = movedItem;
value[selectedItemIndex] = temp;
}
else {
break;
}
}
this.reorderDirection = 'down';
this.$emit('update:modelValue', value);
this.$emit('reorder', {
originalEvent: event,
value: value,
direction: this.reorderDirection
});
}
},
moveBottom(event) {
if (this.d_selection) {
let value = [...this.modelValue];
for (let i = this.d_selection.length - 1; i >= 0; i--) {
let selectedItem = this.d_selection[i];
let selectedItemIndex = ObjectUtils.findIndexInList(selectedItem, value);
if (selectedItemIndex !== (value.length - 1)) {
let movedItem = value.splice(selectedItemIndex, 1)[0];
value.push(movedItem);
}
else {
break;
}
}
this.reorderDirection = 'bottom';
this.$emit('update:modelValue', value);
this.$emit('reorder', {
originalEvent: event,
value: value,
direction: this.reorderDirection
});
}
},
onItemClick(event, item, index) {
this.itemTouched = false;
let selectedIndex = ObjectUtils.findIndexInList(item, this.d_selection);
let selected = (selectedIndex != -1);
let metaSelection = this.itemTouched ? false : this.metaKeySelection;
if (metaSelection) {
let metaKey = (event.metaKey || event.ctrlKey);
if (selected && metaKey) {
this.d_selection = this.d_selection.filter((val, index) => index !== selectedIndex);
}
else {
this.d_selection = (metaKey) ? this.d_selection ? [...this.d_selection] : [] : [];
ObjectUtils.insertIntoOrderedArray(item, index, this.d_selection, this.modelValue);
}
}
else {
if (selected) {
this.d_selection = this.d_selection.filter((val, index) => index !== selectedIndex);
}
else {
this.d_selection = this.d_selection ? [...this.d_selection] : [];
ObjectUtils.insertIntoOrderedArray(item, index, this.d_selection, this.modelValue);
}
}
this.$emit('update:selection', this.d_selection);
this.$emit('selection-change', {
originalEvent:event,
value: this.d_selection
});
},
onItemTouchEnd() {
this.itemTouched = true;
},
onItemKeyDown(event, item, index) {
let listItem = event.currentTarget;
switch(event.which) {
//down
case 40:
var nextItem = this.findNextItem(listItem);
if (nextItem) {
nextItem.focus();
}
event.preventDefault();
break;
//up
case 38:
var prevItem = this.findPrevItem(listItem);
if (prevItem) {
prevItem.focus();
}
event.preventDefault();
break;
//enter
case 13:
this.onItemClick(event, item, index);
event.preventDefault();
break;
default:
break;
}
},
findNextItem(item) {
let nextItem = item.nextElementSibling;
if (nextItem)
return !DomHandler.hasClass(nextItem, 'p-orderlist-item') ? this.findNextItem(nextItem) : nextItem;
else
return null;
},
findPrevItem(item) {
let prevItem = item.previousElementSibling;
if (prevItem)
return !DomHandler.hasClass(prevItem, 'p-orderlist-item') ? this.findPrevItem(prevItem) : prevItem;
else
return null;
},
updateListScroll() {
const listItems = DomHandler.find(this.$refs.list.$el, '.p-orderlist-item.p-highlight');
if (listItems && listItems.length) {
switch(this.reorderDirection) {
case 'up':
DomHandler.scrollInView(this.$refs.list.$el, listItems[0]);
break;
case 'top':
this.$refs.list.$el.scrollTop = 0;
break;
case 'down':
DomHandler.scrollInView(this.$refs.list.$el, listItems[listItems.length - 1]);
break;
case 'bottom':
this.$refs.list.$el.scrollTop = this.$refs.list.$el.scrollHeight;
break;
default:
break;
}
}
},
createStyle() {
if (!this.styleElement) {
this.$el.setAttribute(this.attributeSelector, '');
this.styleElement = document.createElement('style');
this.styleElement.type = 'text/css';
document.head.appendChild(this.styleElement);
let innerHTML = `
@media screen and (max-width: ${this.breakpoint}) {
.p-orderlist[${this.attributeSelector}] {
flex-direction: column;
}
.p-orderlist[${this.attributeSelector}] .p-orderlist-controls {
padding: var(--content-padding);
flex-direction: row;
}
.p-orderlist[${this.attributeSelector}] .p-orderlist-controls .p-button {
margin-right: var(--inline-spacing);
margin-bottom: 0;
}
.p-orderlist[${this.attributeSelector}] .p-orderlist-controls .p-button:last-child {
margin-right: 0;
}
}
`;
this.styleElement.innerHTML = innerHTML;
}
},
destroyStyle() {
if (this.styleElement) {
document.head.removeChild(this.styleElement);
this.styleElement = null;
}
}
},
computed: {
containerClass() {
return ['p-orderlist p-component', {
'p-orderlist-striped': this.stripedRows
}];
},
attributeSelector() {
return UniqueComponentId();
}
},
components: {
'OLButton': Button
},
directives: {
'ripple': Ripple
}
}
</script>
<style>
.p-orderlist {
display: flex;
}
.p-orderlist-controls {
display: flex;
flex-direction: column;
justify-content: center;
}
.p-orderlist-list-container {
flex: 1 1 auto;
}
.p-orderlist-list {
list-style-type: none;
margin: 0;
padding: 0;
overflow: auto;
min-height: 12rem;
max-height: 24rem;
}
.p-orderlist-item {
cursor: pointer;
overflow: hidden;
position: relative;
}
.p-orderlist.p-state-disabled .p-orderlist-item,
.p-orderlist.p-state-disabled .p-button {
cursor: default;
}
.p-orderlist.p-state-disabled .p-orderlist-list {
overflow: hidden;
}
</style>