250 lines
10 KiB
Vue
250 lines
10 KiB
Vue
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<template>
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<th :style="containerStyle" :class="containerClass" :tabindex="columnProp('sortable') ? '0' : null" role="cell"
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@click="onClick" @keydown="onKeyDown" @mousedown="onMouseDown"
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@dragstart="onDragStart" @dragover="onDragOver" @dragleave="onDragLeave" @drop="onDrop"
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:colspan="columnProp('colspan')" :rowspan="columnProp('rowspan')" :aria-sort="ariaSort">
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<span class="p-column-resizer" @mousedown="onResizeStart" v-if="resizableColumns && !columnProp('frozen')"></span>
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<div class="p-column-header-content">
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<component :is="column.children.header" :column="column" v-if="column.children && column.children.header"/>
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<span class="p-column-title" v-if="columnProp('header')">{{columnProp('header')}}</span>
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<span v-if="columnProp('sortable')" :class="sortableColumnIcon"></span>
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<span v-if="isMultiSorted()" class="p-sortable-column-badge">{{getBadgeValue()}}</span>
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<DTHeaderCheckbox :checked="allRowsSelected" @change="onHeaderCheckboxChange" :disabled="empty" v-if="columnProp('selectionMode') ==='multiple' && filterDisplay !== 'row'" />
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<DTColumnFilter v-if="filterDisplay === 'menu' && column.children && column.children.filter" :field="columnProp('filterField')||columnProp('field')" :type="columnProp('dataType')" display="menu"
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:showMenu="columnProp('showFilterMenu')" :filterElement="column.children && column.children.filter"
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:filterHeaderTemplate="column.children && column.children.filterheader" :filterFooterTemplate="column.children && column.children.filterfooter"
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:filterClearTemplate="column.children && column.children.filterclear" :filterApplyTemplate="column.children && column.children.filterapply"
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:filters="filters" :filtersStore="filtersStore" @filter-change="$emit('filter-change', $event)" @filter-apply="$emit('filter-apply')" :filterMenuStyle="columnProp('filterMenuStyle')" :filterMenuClass="columnProp('filterMenuClass')"
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:showOperator="columnProp('showFilterOperator')" :showClearButton="columnProp('showClearButton')" :showApplyButton="columnProp('showApplyButton')"
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:showMatchModes="columnProp('showFilterMatchModes')" :showAddButton="columnProp('showAddButton')" :matchModeOptions="columnProp('filterMatchModeOptions')" :maxConstraints="columnProp('maxConstraints')"
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@operator-change="$emit('operator-change',$event)" @matchmode-change="$emit('matchmode-change', $event)" @constraint-add="$emit('constraint-add', $event)" @constraint-remove="$emit('constraint-remove', $event)" @apply-click="$emit('apply-click',$event)"/>
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</div>
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</th>
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</template>
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<script>
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import {DomHandler,ObjectUtils} from 'primevue/utils';
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import HeaderCheckbox from './HeaderCheckbox.vue';
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import ColumnFilter from './ColumnFilter.vue';
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export default {
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name: 'HeaderCell',
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emits: ['column-click', 'column-mousedown', 'column-dragstart', 'column-dragover', 'column-dragleave', 'column-drop',
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'column-resizestart', 'checkbox-change', 'filter-change', 'filter-apply',
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'operator-change', 'matchmode-change', 'constraint-add', 'constraint-remove', 'filter-clear', 'apply-click'],
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props: {
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column: {
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type: Object,
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default: null
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},
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resizableColumns: {
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type: Boolean,
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default: false
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},
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groupRowsBy: {
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type: [Array,String],
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default: null
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},
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sortMode: {
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type: String,
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default: 'single'
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},
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groupRowSortField: {
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type: [String, Function],
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default: null
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},
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sortField: {
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type: [String, Function],
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default: null
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},
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sortOrder: {
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type: Number,
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default: null
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},
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multiSortMeta: {
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type: Array,
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default: null
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},
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allRowsSelected: {
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type: Boolean,
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default: false
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},
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empty: {
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type: Boolean,
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default: false
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},
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filterDisplay: {
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type: String,
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default: null
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},
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filters: {
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type: Object,
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default: null
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},
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filtersStore: {
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type: Object,
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default: null
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},
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filterColumn: {
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type: Boolean,
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default: false
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},
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reorderableColumns: {
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type: Boolean,
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default: false
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}
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},
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data() {
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return {
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styleObject: {}
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}
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},
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mounted() {
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if (this.columnProp('frozen')) {
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this.updateStickyPosition();
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}
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},
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updated() {
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if (this.columnProp('frozen')) {
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this.updateStickyPosition();
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}
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},
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methods: {
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columnProp(prop) {
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return ObjectUtils.getVNodeProp(this.column, prop);
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},
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onClick(event) {
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this.$emit('column-click', {originalEvent: event, column: this.column});
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},
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onKeyDown(event) {
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if (event.which === 13 && event.currentTarget.nodeName === 'TH' && DomHandler.hasClass(event.currentTarget, 'p-sortable-column')) {
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this.$emit('column-click', {originalEvent: event, column: this.column});
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}
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},
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onMouseDown(event) {
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this.$emit('column-mousedown', {originalEvent: event, column: this.column});
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},
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onDragStart(event) {
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this.$emit('column-dragstart', event);
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},
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onDragOver(event) {
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this.$emit('column-dragover', event);
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},
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onDragLeave(event) {
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this.$emit('column-dragleave', event);
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},
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onDrop(event) {
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this.$emit('column-drop', event);
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},
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onResizeStart(event) {
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this.$emit('column-resizestart', event);
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},
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getMultiSortMetaIndex() {
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return this.multiSortMeta.findIndex(meta => (meta.field === this.columnProp('field') || meta.field === this.columnProp('sortField')));
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},
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getBadgeValue() {
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let index = this.getMultiSortMetaIndex();
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return (this.groupRowsBy && this.groupRowsBy === this.groupRowSortField) && index > -1 ? index : index + 1;
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},
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isMultiSorted() {
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return this.sortMode === 'multiple' && this.columnProp('sortable') && this.getMultiSortMetaIndex() > -1
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},
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isColumnSorted() {
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return this.sortMode === 'single' ? (this.sortField && (this.sortField === this.columnProp('field') || this.sortField === this.columnProp('sortField'))) : this.isMultiSorted();
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},
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updateStickyPosition() {
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if (this.columnProp('frozen')) {
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let align = this.columnProp('alignFrozen');
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if (align === 'right') {
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let right = 0;
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let next = this.$el.nextElementSibling;
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if (next) {
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right = DomHandler.getOuterWidth(next) + parseFloat(next.style.right || 0);
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}
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this.styleObject.right = right + 'px';
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}
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else {
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let left = 0;
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let prev = this.$el.previousElementSibling;
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if (prev) {
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left = DomHandler.getOuterWidth(prev) + parseFloat(prev.style.left || 0);
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}
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this.styleObject.left = left + 'px';
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}
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let filterRow = this.$el.parentElement.nextElementSibling;
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if (filterRow) {
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let index = DomHandler.index(this.$el);
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filterRow.children[index].style.left = this.styleObject.left;
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filterRow.children[index].style.right = this.styleObject.right;
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}
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}
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},
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onHeaderCheckboxChange(event) {
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this.$emit('checkbox-change', event);
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}
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},
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computed: {
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containerClass() {
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return [this.filterColumn ? this.columnProp('filterHeaderClass') : this.columnProp('headerClass'), this.columnProp('class'), {
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'p-sortable-column': this.columnProp('sortable'),
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'p-resizable-column': this.resizableColumns,
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'p-highlight': this.isColumnSorted(),
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'p-filter-column': this.filterColumn,
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'p-frozen-column': this.columnProp('frozen'),
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'p-reorderable-column': this.reorderableColumns
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}];
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},
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containerStyle() {
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let headerStyle = this.filterColumn ? this.columnProp('filterHeaderStyle'): this.columnProp('headerStyle');
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let columnStyle = this.columnProp('style');
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return this.columnProp('frozen') ? [columnStyle, headerStyle, this.styleObject]: [columnStyle, headerStyle];
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},
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sortableColumnIcon() {
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let sorted = false;
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let sortOrder = null;
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if (this.sortMode === 'single') {
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sorted = this.sortField && (this.sortField === this.columnProp('field') || this.sortField === this.columnProp('sortField'));
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sortOrder = sorted ? this.sortOrder: 0;
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}
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else if (this.sortMode === 'multiple') {
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let metaIndex = this.getMultiSortMetaIndex();
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if (metaIndex > -1) {
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sorted = true;
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sortOrder = this.multiSortMeta[metaIndex].order;
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}
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}
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return [
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'p-sortable-column-icon pi pi-fw', {
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'pi-sort-alt': !sorted,
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'pi-sort-amount-up-alt': sorted && sortOrder > 0,
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'pi-sort-amount-down': sorted && sortOrder < 0
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}
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];
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},
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ariaSort() {
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if (this.columnProp('sortable')) {
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const sortIcon = this.sortableColumnIcon;
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if (sortIcon[1]['pi-sort-amount-down'])
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return 'descending';
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else if (sortIcon[1]['pi-sort-amount-up-alt'])
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return 'ascending';
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else
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return 'none';
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}
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else {
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return null;
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}
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}
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},
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components: {
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'DTHeaderCheckbox': HeaderCheckbox,
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'DTColumnFilter': ColumnFilter
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}
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}
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</script>
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