primevue-mirror/components/picklist/PickList.vue

626 lines
22 KiB
Vue
Executable File

<template>
<div :class="containerClass">
<div class="p-picklist-buttons p-picklist-source-controls" v-if="showSourceControls">
<slot name="sourcecontrolsstart"></slot>
<PLButton type="button" icon="pi pi-angle-up" @click="moveUp($event, 0)"></PLButton>
<PLButton type="button" icon="pi pi-angle-double-up" @click="moveTop($event, 0)"></PLButton>
<PLButton type="button" icon="pi pi-angle-down" @click="moveDown($event, 0)"></PLButton>
<PLButton type="button" icon="pi pi-angle-double-down" @click="moveBottom($event, 0)"></PLButton>
<slot name="sourcecontrolsend"></slot>
</div>
<div class="p-picklist-list-wrapper p-picklist-source-wrapper">
<div class="p-picklist-header" v-if="$slots.sourceheader">
<slot name="sourceheader"></slot>
</div>
<transition-group ref="sourceList" name="p-picklist-flip" tag="ul" class="p-picklist-list p-picklist-source" :style="listStyle" role="listbox" aria-multiselectable="multiple">
<template v-for="(item, i) of sourceList" :key="getItemKey(item, i)">
<li tabindex="0" :class="['p-picklist-item', {'p-highlight': isSelected(item, 0)}]" v-ripple
@click="onItemClick($event, item, 0)" @dblclick="onItemDblClick($event, item, 0)" @keydown="onItemKeyDown($event, item, 0)" @touchend="onItemTouchEnd"
role="option" :aria-selected="isSelected(item, 0)">
<slot name="item" :item="item" :index="i"> </slot>
</li>
</template>
</transition-group>
</div>
<div class="p-picklist-buttons p-picklist-transfer-buttons">
<slot name="movecontrolsstart"></slot>
<PLButton type="button" icon="pi pi-angle-right" @click="moveToTarget"></PLButton>
<PLButton type="button" icon="pi pi-angle-double-right" @click="moveAllToTarget"></PLButton>
<PLButton type="button" icon="pi pi-angle-left" @click="moveToSource"></PLButton>
<PLButton type="button" icon="pi pi-angle-double-left" @click="moveAllToSource"></PLButton>
<slot name="movecontrolsend"></slot>
</div>
<div class="p-picklist-list-wrapper p-picklist-target-wrapper">
<div class="p-picklist-header" v-if="$slots.targetheader">
<slot name="targetheader"></slot>
</div>
<transition-group ref="targetList" name="p-picklist-flip" tag="ul" class="p-picklist-list p-picklist-target" :style="listStyle" role="listbox" aria-multiselectable="multiple">
<template v-for="(item, i) of targetList" :key="getItemKey(item, i)">
<li tabindex="0" :class="['p-picklist-item', {'p-highlight': isSelected(item, 1)}]" v-ripple
@click="onItemClick($event, item, 1)" @dblclick="onItemDblClick($event, item, 1)" @keydown="onItemKeyDown($event, item, 1)" @touchend="onItemTouchEnd"
role="option" :aria-selected="isSelected(item, 1)">
<slot name="item" :item="item" :index="i"> </slot>
</li>
</template>
</transition-group>
</div>
<div class="p-picklist-buttons p-picklist-target-controls" v-if="showTargetControls">
<slot name="targetcontrolsstart"></slot>
<PLButton type="button" icon="pi pi-angle-up" @click="moveUp($event, 1)"></PLButton>
<PLButton type="button" icon="pi pi-angle-double-up" @click="moveTop($event, 1)"></PLButton>
<PLButton type="button" icon="pi pi-angle-down" @click="moveDown($event, 1)"></PLButton>
<PLButton type="button" icon="pi pi-angle-double-down" @click="moveBottom($event, 1)"></PLButton>
<slot name="targetcontrolsend"></slot>
</div>
</div>
</template>
<script>
import Button from 'primevue/button';
import {ObjectUtils,UniqueComponentId,DomHandler} from 'primevue/utils';
import Ripple from 'primevue/ripple';
export default {
name: 'PickList',
emits: ['update:modelValue', 'reorder', 'update:selection', 'selection-change', 'move-to-target', 'move-to-source', 'move-all-to-target', 'move-all-to-source'],
props: {
modelValue: {
type: Array,
default: () => [[],[]]
},
selection: {
type: Array,
default: () => [[],[]]
},
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
},
showSourceControls: {
type: Boolean,
default: true
},
showTargetControls: {
type: Boolean,
default: true
}
},
itemTouched: false,
reorderDirection: null,
styleElement: null,
data() {
return {
d_selection: this.selection
}
},
updated() {
if (this.reorderDirection) {
this.updateListScroll(this.$refs.sourceList.$el);
this.updateListScroll(this.$refs.targetList.$el);
this.reorderDirection = null;
}
},
beforeUnmount() {
this.destroyStyle();
},
mounted() {
if (this.responsive) {
this.createStyle();
}
},
watch: {
selection(newValue) {
this.d_selection = newValue;
}
},
methods: {
getItemKey(item, index) {
return this.dataKey ? ObjectUtils.resolveFieldData(item, this.dataKey): index;
},
isSelected(item, listIndex) {
return ObjectUtils.findIndexInList(item, this.d_selection[listIndex]) != -1;
},
moveUp(event, listIndex) {
if (this.d_selection && this.d_selection[listIndex]) {
let valueList = [...this.modelValue[listIndex]];
let selectionList = this.d_selection[listIndex];
for (let i = 0; i < selectionList.length; i++) {
let selectedItem = selectionList[i];
let selectedItemIndex = ObjectUtils.findIndexInList(selectedItem, valueList);
if (selectedItemIndex !== 0) {
let movedItem = valueList[selectedItemIndex];
let temp = valueList[selectedItemIndex - 1];
valueList[selectedItemIndex - 1] = movedItem;
valueList[selectedItemIndex] = temp;
}
else {
break;
}
}
let value = [...this.modelValue];
value[listIndex] = valueList;
this.reorderDirection = 'up';
this.$emit('update:modelValue', value);
this.$emit('reorder', {
originalEvent: event,
value: value,
direction: this.reorderDirection,
listIndex: listIndex
});
}
},
moveTop(event, listIndex) {
if(this.d_selection) {
let valueList = [...this.modelValue[listIndex]];
let selectionList = this.d_selection[listIndex];
for (let i = 0; i < selectionList.length; i++) {
let selectedItem = selectionList[i];
let selectedItemIndex = ObjectUtils.findIndexInList(selectedItem, valueList);
if (selectedItemIndex !== 0) {
let movedItem = valueList.splice(selectedItemIndex, 1)[0];
valueList.unshift(movedItem);
}
else {
break;
}
}
let value = [...this.modelValue];
value[listIndex] = valueList;
this.reorderDirection = 'top';
this.$emit('update:modelValue', value);
this.$emit('reorder', {
originalEvent: event,
value: value,
direction: this.reorderDirection,
listIndex: listIndex
});
}
},
moveDown(event, listIndex) {
if(this.d_selection) {
let valueList = [...this.modelValue[listIndex]];
let selectionList = this.d_selection[listIndex];
for (let i = selectionList.length - 1; i >= 0; i--) {
let selectedItem = selectionList[i];
let selectedItemIndex = ObjectUtils.findIndexInList(selectedItem, valueList);
if (selectedItemIndex !== (valueList.length - 1)) {
let movedItem = valueList[selectedItemIndex];
let temp = valueList[selectedItemIndex + 1];
valueList[selectedItemIndex + 1] = movedItem;
valueList[selectedItemIndex] = temp;
}
else {
break;
}
}
let value = [...this.modelValue];
value[listIndex] = valueList;
this.reorderDirection = 'down';
this.$emit('update:modelValue', value);
this.$emit('reorder', {
originalEvent: event,
value: value,
direction: this.reorderDirection,
listIndex: listIndex
});
}
},
moveBottom(event, listIndex) {
if (this.d_selection) {
let valueList = [...this.modelValue[listIndex]];
let selectionList = this.d_selection[listIndex];
for (let i = selectionList.length - 1; i >= 0; i--) {
let selectedItem = selectionList[i];
let selectedItemIndex = ObjectUtils.findIndexInList(selectedItem, valueList);
if (selectedItemIndex !== (valueList.length - 1)) {
let movedItem = valueList.splice(selectedItemIndex, 1)[0];
valueList.push(movedItem);
}
else {
break;
}
}
let value = [...this.modelValue];
value[listIndex] = valueList;
this.reorderDirection = 'bottom';
this.$emit('update:modelValue', value);
this.$emit('reorder', {
originalEvent: event,
value: value,
direction: this.reorderDirection,
listIndex: listIndex
});
}
},
moveToTarget(event) {
let selection = this.d_selection && this.d_selection[0] ? this.d_selection[0] : null;
let sourceList = [...this.modelValue[0]];
let targetList = [...this.modelValue[1]];
if (selection) {
for (let i = 0; i < selection.length; i++) {
let selectedItem = selection[i];
if (ObjectUtils.findIndexInList(selectedItem, targetList) == -1) {
targetList.push(sourceList.splice(ObjectUtils.findIndexInList(selectedItem, sourceList),1)[0]);
}
}
let value = [...this.modelValue];
value[0] = sourceList;
value[1] = targetList;
this.$emit('update:modelValue', value);
this.$emit('move-to-target', {
originalEvent: event,
items: selection
});
this.d_selection[0] = [];
this.$emit('update:selection', this.d_selection);
this.$emit('selection-change', {
originalEvent: event,
value: this.d_selection
});
}
},
moveAllToTarget(event) {
if (this.modelValue[0]) {
let sourceList = [...this.modelValue[0]];
let targetList = [...this.modelValue[1]];
this.$emit('move-all-to-target', {
originalEvent: event,
items: sourceList
});
targetList = [...targetList, ...sourceList];
sourceList = [];
let value = [...this.modelValue];
value[0] = sourceList;
value[1] = targetList;
this.$emit('update:modelValue', value);
this.d_selection[0] = [];
this.$emit('update:selection', this.d_selection);
this.$emit('selection-change', {
originalEvent: event,
value: this.d_selection
});
}
},
moveToSource(event) {
let selection = this.d_selection && this.d_selection[1] ? this.d_selection[1] : null;
let sourceList = [...this.modelValue[0]];
let targetList = [...this.modelValue[1]];
if (selection) {
for (let i = 0; i < selection.length; i++) {
let selectedItem = selection[i];
if (ObjectUtils.findIndexInList(selectedItem, sourceList) == -1) {
sourceList.push(targetList.splice(ObjectUtils.findIndexInList(selectedItem, targetList),1)[0]);
}
}
let value = [...this.modelValue];
value[0] = sourceList;
value[1] = targetList;
this.$emit('update:modelValue', value);
this.$emit('move-to-source', {
originalEvent: event,
items: selection
});
this.d_selection[1] = [];
this.$emit('update:selection', this.d_selection);
this.$emit('selection-change', {
originalEvent: event,
value: this.d_selection
});
}
},
moveAllToSource(event) {
if (this.modelValue[1]) {
let sourceList = [...this.modelValue[0]];
let targetList = [...this.modelValue[1]];
this.$emit('move-all-to-source', {
originalEvent: event,
items: targetList
});
sourceList = [...sourceList, ...targetList];
targetList = [];
let value = [...this.modelValue];
value[0] = sourceList;
value[1] = targetList;
this.$emit('update:modelValue', value);
this.d_selection[1] = [];
this.$emit('update:selection', this.d_selection);
this.$emit('selection-change', {
originalEvent: event,
value: this.d_selection
});
}
},
onItemClick(event, item, listIndex) {
this.itemTouched = false;
const selectionList = this.d_selection[listIndex];
const selectedIndex = ObjectUtils.findIndexInList(item, selectionList);
const selected = (selectedIndex != -1);
const metaSelection = this.itemTouched ? false : this.metaKeySelection;
let _selection;
if (metaSelection) {
let metaKey = (event.metaKey || event.ctrlKey);
if (selected && metaKey) {
_selection = selectionList.filter((val, index) => index !== selectedIndex);
}
else {
_selection = (metaKey) ? selectionList ? [...selectionList] : [] : [];
_selection.push(item);
}
}
else {
if (selected) {
_selection = selectionList.filter((val, index) => index !== selectedIndex);
}
else {
_selection = selectionList ? [...selectionList] : [];
_selection.push(item);
}
}
let newSelection = [...this.d_selection];
newSelection[listIndex] = _selection;
this.d_selection = newSelection;
this.$emit('update:selection', this.d_selection);
this.$emit('selection-change', {
originalEvent:event,
value: this.d_selection
});
},
onItemDblClick(event, item, listIndex) {
if (listIndex === 0)
this.moveToTarget(event);
else if (listIndex === 1)
this.moveToSource(event);
},
onItemTouchEnd() {
this.itemTouched = true;
},
onItemKeyDown(event, item, listIndex) {
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, listIndex);
event.preventDefault();
break;
default:
break;
}
},
findNextItem(item) {
let nextItem = item.nextElementSibling;
if (nextItem)
return !DomHandler.hasClass(nextItem, 'p-picklist-item') ? this.findNextItem(nextItem) : nextItem;
else
return null;
},
findPrevItem(item) {
let prevItem = item.previousElementSibling;
if (prevItem)
return !DomHandler.hasClass(prevItem, 'p-picklist-item') ? this.findPrevItem(prevItem) : prevItem;
else
return null;
},
updateListScroll(listElement) {
const listItems = DomHandler.find(listElement, '.p-picklist-item.p-highlight');
if (listItems && listItems.length) {
switch(this.reorderDirection) {
case 'up':
DomHandler.scrollInView(listElement, listItems[0]);
break;
case 'top':
listElement.scrollTop = 0;
break;
case 'down':
DomHandler.scrollInView(listElement, listItems[listItems.length - 1]);
break;
case 'bottom':
listElement.scrollTop = listElement.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: ${this.breakpoint}) {
.p-picklist[${this.attributeSelector}] {
flex-direction: column;
}
.p-picklist[${this.attributeSelector}] .p-picklist-buttons {
padding: var(--content-padding);
flex-direction: row;
}
.p-picklist[${this.attributeSelector}] .p-picklist-buttons .p-button {
margin-right: var(--inline-spacing);
margin-bottom: 0;
}
.p-picklist[${this.attributeSelector}] .p-picklist-buttons .p-button:last-child {
margin-right: 0;
}
.p-picklist[${this.attributeSelector}] .pi-angle-right:before {
content: "\\e930"
}
.p-picklist[${this.attributeSelector}] .pi-angle-double-right:before {
content: "\\e92c"
}
.p-picklist[${this.attributeSelector}] .pi-angle-left:before {
content: "\\e933"
}
.p-picklist[${this.attributeSelector}] .pi-angle-double-left:before {
content: "\\e92f"
}
}
`;
this.styleElement.innerHTML = innerHTML;
}
},
destroyStyle() {
if (this.styleElement) {
document.head.removeChild(this.styleElement);
this.styleElement = null;
}
}
},
computed: {
containerClass() {
return ['p-picklist p-component', {
'p-picklist-striped': this.stripedRows
}];
},
sourceList() {
return this.modelValue && this.modelValue[0] ? this.modelValue[0] : null;
},
targetList() {
return this.modelValue && this.modelValue[1] ? this.modelValue[1] : null;
},
attributeSelector() {
return UniqueComponentId();
}
},
components: {
'PLButton': Button
},
directives: {
'ripple': Ripple
}
}
</script>
<style>
.p-picklist {
display: flex;
}
.p-picklist-buttons {
display: flex;
flex-direction: column;
justify-content: center;
}
.p-picklist-list-wrapper {
flex: 1 1 50%;
}
.p-picklist-list {
list-style-type: none;
margin: 0;
padding: 0;
overflow: auto;
min-height: 12rem;
max-height: 24rem;
}
.p-picklist-item {
cursor: pointer;
overflow: hidden;
position: relative;
}
.p-picklist-item.p-picklist-flip-enter-active.p-picklist-flip-enter-to,
.p-picklist-item.p-picklist-flip-leave-active.p-picklist-flip-leave-to {
transition: none !important;
}
</style>