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keksAccountGUI/node_modulesOLD/vuetify/lib/components/VTreeview/VTreeviewNode.js
2019-08-11 20:48:02 +02:00

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8.3 KiB
JavaScript

// Components
import { VExpandTransition } from '../transitions';
import { VIcon } from '../VIcon';
import VTreeviewNode from './VTreeviewNode'; // Mixins
import { inject as RegistrableInject } from '../../mixins/registrable';
import Colorable from '../../mixins/colorable'; // Utils
import mixins from '../../util/mixins';
import { getObjectValueByPath } from '../../util/helpers';
const baseMixins = mixins(Colorable, RegistrableInject('treeview'));
export const VTreeviewNodeProps = {
activatable: Boolean,
activeClass: {
type: String,
default: 'v-treeview-node--active'
},
color: {
type: String,
default: 'primary'
},
expandIcon: {
type: String,
default: '$vuetify.icons.subgroup'
},
indeterminateIcon: {
type: String,
default: '$vuetify.icons.checkboxIndeterminate'
},
itemChildren: {
type: String,
default: 'children'
},
itemDisabled: {
type: String,
default: 'disabled'
},
itemKey: {
type: String,
default: 'id'
},
itemText: {
type: String,
default: 'name'
},
loadChildren: Function,
loadingIcon: {
type: String,
default: '$vuetify.icons.loading'
},
offIcon: {
type: String,
default: '$vuetify.icons.checkboxOff'
},
onIcon: {
type: String,
default: '$vuetify.icons.checkboxOn'
},
openOnClick: Boolean,
rounded: Boolean,
selectable: Boolean,
selectedColor: {
type: String,
default: 'accent'
},
shaped: Boolean,
transition: Boolean
};
/* @vue/component */
export default baseMixins.extend().extend({
name: 'v-treeview-node',
inject: {
treeview: {
default: null
}
},
props: {
item: {
type: Object,
default: () => null
},
...VTreeviewNodeProps
},
data: () => ({
hasLoaded: false,
isActive: false,
isIndeterminate: false,
isLoading: false,
isOpen: false,
isSelected: false
}),
computed: {
disabled() {
return getObjectValueByPath(this.item, this.itemDisabled);
},
key() {
return getObjectValueByPath(this.item, this.itemKey);
},
children() {
return getObjectValueByPath(this.item, this.itemChildren);
},
text() {
return getObjectValueByPath(this.item, this.itemText);
},
scopedProps() {
return {
item: this.item,
leaf: !this.children,
selected: this.isSelected,
indeterminate: this.isIndeterminate,
active: this.isActive,
open: this.isOpen
};
},
computedIcon() {
if (this.isIndeterminate) return this.indeterminateIcon;else if (this.isSelected) return this.onIcon;else return this.offIcon;
},
hasChildren() {
return !!this.children && (!!this.children.length || !!this.loadChildren);
}
},
created() {
this.treeview.register(this);
},
beforeDestroy() {
this.treeview.unregister(this);
},
methods: {
checkChildren() {
return new Promise(resolve => {
// TODO: Potential issue with always trying
// to load children if response is empty?
if (!this.children || this.children.length || !this.loadChildren || this.hasLoaded) return resolve();
this.isLoading = true;
resolve(this.loadChildren(this.item));
}).then(() => {
this.isLoading = false;
this.hasLoaded = true;
});
},
open() {
this.isOpen = !this.isOpen;
this.treeview.updateOpen(this.key, this.isOpen);
this.treeview.emitOpen();
},
genLabel() {
const children = [];
if (this.$scopedSlots.label) children.push(this.$scopedSlots.label(this.scopedProps));else children.push(this.text);
return this.$createElement('div', {
slot: 'label',
staticClass: 'v-treeview-node__label'
}, children);
},
genContent() {
const children = [this.$scopedSlots.prepend && this.$scopedSlots.prepend(this.scopedProps), this.genLabel(), this.$scopedSlots.append && this.$scopedSlots.append(this.scopedProps)];
return this.$createElement('div', {
staticClass: 'v-treeview-node__content'
}, children);
},
genToggle() {
return this.$createElement(VIcon, {
staticClass: 'v-treeview-node__toggle',
class: {
'v-treeview-node__toggle--open': this.isOpen,
'v-treeview-node__toggle--loading': this.isLoading
},
slot: 'prepend',
on: {
click: e => {
if (this.disabled) return;
e.stopPropagation();
if (this.isLoading) return;
this.checkChildren().then(() => this.open());
}
}
}, [this.isLoading ? this.loadingIcon : this.expandIcon]);
},
genCheckbox() {
return this.$createElement(VIcon, {
staticClass: 'v-treeview-node__checkbox',
props: {
color: this.isSelected ? this.selectedColor : undefined
},
on: {
click: e => {
if (this.disabled) return;
e.stopPropagation();
if (this.isLoading) return;
this.checkChildren().then(() => {
// We nextTick here so that items watch in VTreeview has a chance to run first
this.$nextTick(() => {
this.isSelected = !this.isSelected;
this.isIndeterminate = false;
this.treeview.updateSelected(this.key, this.isSelected);
this.treeview.emitSelected();
});
});
}
}
}, [this.computedIcon]);
},
genNode() {
const children = [this.genContent()];
if (this.selectable) children.unshift(this.genCheckbox());
if (this.hasChildren) children.unshift(this.genToggle());
return this.$createElement('div', this.setTextColor(this.isActive && this.color, {
staticClass: 'v-treeview-node__root',
class: {
[this.activeClass]: this.isActive
},
on: {
click: () => {
if (this.disabled) return;
if (this.openOnClick && this.children) {
this.open();
} else if (this.activatable) {
this.isActive = !this.isActive;
this.treeview.updateActive(this.key, this.isActive);
this.treeview.emitActive();
}
}
}
}), children);
},
genChild(item) {
return this.$createElement(VTreeviewNode, {
key: getObjectValueByPath(item, this.itemKey),
props: {
activatable: this.activatable,
activeClass: this.activeClass,
item,
selectable: this.selectable,
selectedColor: this.selectedColor,
color: this.color,
expandIcon: this.expandIcon,
indeterminateIcon: this.indeterminateIcon,
offIcon: this.offIcon,
onIcon: this.onIcon,
loadingIcon: this.loadingIcon,
itemKey: this.itemKey,
itemText: this.itemText,
itemDisabled: this.itemDisabled,
itemChildren: this.itemChildren,
loadChildren: this.loadChildren,
transition: this.transition,
openOnClick: this.openOnClick,
rounded: this.rounded,
shaped: this.shaped
},
scopedSlots: this.$scopedSlots
});
},
genChildrenWrapper() {
if (!this.isOpen || !this.children) return null;
const children = [this.children.map(this.genChild)];
return this.$createElement('div', {
staticClass: 'v-treeview-node__children'
}, children);
},
genTransition() {
return this.$createElement(VExpandTransition, [this.genChildrenWrapper()]);
}
},
render(h) {
const children = [this.genNode()];
if (this.transition) children.push(this.genTransition());else children.push(this.genChildrenWrapper());
return h('div', {
staticClass: 'v-treeview-node',
class: {
'v-treeview-node--leaf': !this.hasChildren,
'v-treeview-node--click': this.openOnClick,
'v-treeview-node--disabled': this.disabled,
'v-treeview-node--rounded': this.rounded,
'v-treeview-node--shaped': this.shaped,
'v-treeview-node--selected': this.isSelected,
'v-treeview-node--excluded': this.treeview.isExcluded(this.key)
},
attrs: {
'aria-expanded': String(this.isOpen)
}
}, children);
}
});
//# sourceMappingURL=VTreeviewNode.js.map