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