125 lines
3.1 KiB
Vue
125 lines
3.1 KiB
Vue
<template lang="html">
|
|
<!--use value for immutable, list for auto-updating children -->
|
|
<draggable
|
|
v-model="displayedChildren"
|
|
class="drag-area"
|
|
:group="group"
|
|
:move="move"
|
|
:animation="200"
|
|
ghost-class="ghost"
|
|
draggable=".item"
|
|
handle=".handle"
|
|
@change="change"
|
|
>
|
|
<tree-node
|
|
v-for="child in displayedChildren"
|
|
:key="child.node._id"
|
|
class="item"
|
|
:node="child.node"
|
|
:children="child.children"
|
|
:group="group"
|
|
:selected-node-id="selectedNodeId"
|
|
:selected="selectedNodeId === child.node._id"
|
|
:organize="organize"
|
|
:lazy="lazy"
|
|
@selected="e => $emit('selected', e)"
|
|
@reordered="e => $emit('reordered', e)"
|
|
@reorganized="e => $emit('reorganized', e)"
|
|
@dragstart.native="e => e.dataTransfer.setData('cow', child.node && child.node.name)"
|
|
/>
|
|
</draggable>
|
|
</template>
|
|
|
|
<script>
|
|
import draggable from 'vuedraggable';
|
|
import TreeNode from '/imports/ui/components/tree/TreeNode.vue';
|
|
import { isParentAllowed } from '/imports/api/parenting/parenting.js';
|
|
|
|
export default {
|
|
components: {
|
|
draggable,
|
|
TreeNode,
|
|
},
|
|
props: {
|
|
node: Object,
|
|
group: String,
|
|
organize: Boolean,
|
|
lazy: Boolean,
|
|
children: {
|
|
type: Array,
|
|
default: () => [],
|
|
},
|
|
selectedNodeId: String,
|
|
},
|
|
data(){ return {
|
|
expanded: false,
|
|
displayedChildren: [],
|
|
}},
|
|
computed: {
|
|
hasChildren(){
|
|
return this.children && this.children.length;
|
|
},
|
|
showExpanded(){
|
|
return this.expanded && (this.organize || this.hasChildren)
|
|
},
|
|
},
|
|
watch: {
|
|
children(value){
|
|
this.displayedChildren = value;
|
|
}
|
|
},
|
|
mounted(){
|
|
this.displayedChildren = this.children;
|
|
},
|
|
methods: {
|
|
change({added, moved}){
|
|
let event = moved || added;
|
|
if (event){
|
|
let doc = event.element.node;
|
|
let newIndex;
|
|
if (event.newIndex === 0){
|
|
newIndex = -0.5;
|
|
} else {
|
|
if (event.newIndex < this.children.length){
|
|
let childAtNewIndex = this.children[event.newIndex];
|
|
let indexOrder = childAtNewIndex.node.order;
|
|
if (event.newIndex > event.oldIndex){
|
|
newIndex = indexOrder + 0.5;
|
|
} else {
|
|
newIndex = indexOrder - 0.5;
|
|
}
|
|
} else {
|
|
let childBeforeNewIndex = this.children[event.newIndex - 1];
|
|
newIndex = childBeforeNewIndex.node.order + 0.5;
|
|
}
|
|
}
|
|
if (moved){
|
|
this.$emit('reordered', {doc, newIndex});
|
|
} else if (added){
|
|
this.$emit('reorganized', {doc, parent: this.node, newIndex});
|
|
}
|
|
}
|
|
},
|
|
move(evt){
|
|
let parentNode = evt.relatedContext.component.$parent.node
|
|
let parentType = parentNode && parentNode.type || 'root';
|
|
let childType = evt.draggedContext.element.node.type;
|
|
let allowed = isParentAllowed({parentType, childType});
|
|
return allowed;
|
|
},
|
|
},
|
|
};
|
|
</script>
|
|
|
|
<style lang="css" scoped>
|
|
.flip-list-leave-active {
|
|
display: none;
|
|
}
|
|
.flip-list-move {
|
|
transition: transform 0.5s;
|
|
}
|
|
.no-move {
|
|
transition: transform 0s;
|
|
}
|
|
</style>
|