308 lines
No EOL
8.3 KiB
JavaScript
308 lines
No EOL
8.3 KiB
JavaScript
// Components
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import { VExpandTransition } from '../transitions';
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import { VIcon } from '../VIcon';
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import VTreeviewNode from './VTreeviewNode'; // Mixins
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import { inject as RegistrableInject } from '../../mixins/registrable';
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import Colorable from '../../mixins/colorable'; // Utils
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import mixins from '../../util/mixins';
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import { getObjectValueByPath } from '../../util/helpers';
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const baseMixins = mixins(Colorable, RegistrableInject('treeview'));
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export const VTreeviewNodeProps = {
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activatable: Boolean,
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activeClass: {
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type: String,
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default: 'v-treeview-node--active'
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},
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color: {
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type: String,
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default: 'primary'
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},
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expandIcon: {
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type: String,
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default: '$vuetify.icons.subgroup'
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},
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indeterminateIcon: {
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type: String,
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default: '$vuetify.icons.checkboxIndeterminate'
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},
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itemChildren: {
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type: String,
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default: 'children'
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},
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itemDisabled: {
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type: String,
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default: 'disabled'
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},
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itemKey: {
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type: String,
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default: 'id'
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},
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itemText: {
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type: String,
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default: 'name'
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},
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loadChildren: Function,
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loadingIcon: {
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type: String,
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default: '$vuetify.icons.loading'
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},
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offIcon: {
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type: String,
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default: '$vuetify.icons.checkboxOff'
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},
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onIcon: {
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type: String,
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default: '$vuetify.icons.checkboxOn'
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},
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openOnClick: Boolean,
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rounded: Boolean,
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selectable: Boolean,
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selectedColor: {
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type: String,
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default: 'accent'
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},
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shaped: Boolean,
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transition: Boolean
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};
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/* @vue/component */
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export default baseMixins.extend().extend({
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name: 'v-treeview-node',
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inject: {
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treeview: {
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default: null
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}
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},
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props: {
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item: {
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type: Object,
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default: () => null
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},
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...VTreeviewNodeProps
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},
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data: () => ({
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hasLoaded: false,
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isActive: false,
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isIndeterminate: false,
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isLoading: false,
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isOpen: false,
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isSelected: false
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}),
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computed: {
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disabled() {
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return getObjectValueByPath(this.item, this.itemDisabled);
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},
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key() {
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return getObjectValueByPath(this.item, this.itemKey);
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},
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children() {
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return getObjectValueByPath(this.item, this.itemChildren);
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},
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text() {
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return getObjectValueByPath(this.item, this.itemText);
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},
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scopedProps() {
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return {
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item: this.item,
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leaf: !this.children,
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selected: this.isSelected,
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indeterminate: this.isIndeterminate,
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active: this.isActive,
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open: this.isOpen
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};
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},
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computedIcon() {
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if (this.isIndeterminate) return this.indeterminateIcon;else if (this.isSelected) return this.onIcon;else return this.offIcon;
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},
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hasChildren() {
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return !!this.children && (!!this.children.length || !!this.loadChildren);
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}
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},
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created() {
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this.treeview.register(this);
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},
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beforeDestroy() {
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this.treeview.unregister(this);
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},
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methods: {
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checkChildren() {
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return new Promise(resolve => {
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// TODO: Potential issue with always trying
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// to load children if response is empty?
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if (!this.children || this.children.length || !this.loadChildren || this.hasLoaded) return resolve();
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this.isLoading = true;
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resolve(this.loadChildren(this.item));
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}).then(() => {
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this.isLoading = false;
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this.hasLoaded = true;
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});
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},
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open() {
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this.isOpen = !this.isOpen;
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this.treeview.updateOpen(this.key, this.isOpen);
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this.treeview.emitOpen();
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},
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genLabel() {
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const children = [];
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if (this.$scopedSlots.label) children.push(this.$scopedSlots.label(this.scopedProps));else children.push(this.text);
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return this.$createElement('div', {
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slot: 'label',
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staticClass: 'v-treeview-node__label'
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}, children);
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},
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genContent() {
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const children = [this.$scopedSlots.prepend && this.$scopedSlots.prepend(this.scopedProps), this.genLabel(), this.$scopedSlots.append && this.$scopedSlots.append(this.scopedProps)];
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return this.$createElement('div', {
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staticClass: 'v-treeview-node__content'
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}, children);
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},
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genToggle() {
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return this.$createElement(VIcon, {
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staticClass: 'v-treeview-node__toggle',
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class: {
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'v-treeview-node__toggle--open': this.isOpen,
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'v-treeview-node__toggle--loading': this.isLoading
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},
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slot: 'prepend',
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on: {
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click: e => {
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if (this.disabled) return;
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e.stopPropagation();
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if (this.isLoading) return;
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this.checkChildren().then(() => this.open());
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}
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}
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}, [this.isLoading ? this.loadingIcon : this.expandIcon]);
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},
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genCheckbox() {
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return this.$createElement(VIcon, {
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staticClass: 'v-treeview-node__checkbox',
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props: {
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color: this.isSelected ? this.selectedColor : undefined
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},
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on: {
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click: e => {
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if (this.disabled) return;
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e.stopPropagation();
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if (this.isLoading) return;
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this.checkChildren().then(() => {
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// We nextTick here so that items watch in VTreeview has a chance to run first
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this.$nextTick(() => {
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this.isSelected = !this.isSelected;
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this.isIndeterminate = false;
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this.treeview.updateSelected(this.key, this.isSelected);
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this.treeview.emitSelected();
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});
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});
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}
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}
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}, [this.computedIcon]);
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},
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genNode() {
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const children = [this.genContent()];
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if (this.selectable) children.unshift(this.genCheckbox());
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if (this.hasChildren) children.unshift(this.genToggle());
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return this.$createElement('div', this.setTextColor(this.isActive && this.color, {
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staticClass: 'v-treeview-node__root',
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class: {
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[this.activeClass]: this.isActive
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},
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on: {
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click: () => {
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if (this.disabled) return;
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if (this.openOnClick && this.children) {
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this.open();
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} else if (this.activatable) {
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this.isActive = !this.isActive;
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this.treeview.updateActive(this.key, this.isActive);
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this.treeview.emitActive();
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}
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}
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}
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}), children);
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},
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genChild(item) {
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return this.$createElement(VTreeviewNode, {
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key: getObjectValueByPath(item, this.itemKey),
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props: {
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activatable: this.activatable,
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activeClass: this.activeClass,
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item,
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selectable: this.selectable,
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selectedColor: this.selectedColor,
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color: this.color,
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expandIcon: this.expandIcon,
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indeterminateIcon: this.indeterminateIcon,
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offIcon: this.offIcon,
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onIcon: this.onIcon,
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loadingIcon: this.loadingIcon,
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itemKey: this.itemKey,
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itemText: this.itemText,
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itemDisabled: this.itemDisabled,
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itemChildren: this.itemChildren,
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loadChildren: this.loadChildren,
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transition: this.transition,
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openOnClick: this.openOnClick,
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rounded: this.rounded,
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shaped: this.shaped
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},
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scopedSlots: this.$scopedSlots
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});
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},
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genChildrenWrapper() {
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if (!this.isOpen || !this.children) return null;
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const children = [this.children.map(this.genChild)];
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return this.$createElement('div', {
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staticClass: 'v-treeview-node__children'
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}, children);
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},
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genTransition() {
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return this.$createElement(VExpandTransition, [this.genChildrenWrapper()]);
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}
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},
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render(h) {
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const children = [this.genNode()];
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if (this.transition) children.push(this.genTransition());else children.push(this.genChildrenWrapper());
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return h('div', {
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staticClass: 'v-treeview-node',
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class: {
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'v-treeview-node--leaf': !this.hasChildren,
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'v-treeview-node--click': this.openOnClick,
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'v-treeview-node--disabled': this.disabled,
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'v-treeview-node--rounded': this.rounded,
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'v-treeview-node--shaped': this.shaped,
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'v-treeview-node--selected': this.isSelected,
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'v-treeview-node--excluded': this.treeview.isExcluded(this.key)
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},
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attrs: {
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'aria-expanded': String(this.isOpen)
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}
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}, children);
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}
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});
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//# sourceMappingURL=VTreeviewNode.js.map
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