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<script lang="ts">
import {defineComponent, PropType} from 'vue';
import Tile from './Tile.vue'
import {LayoutNode} from '../layout';
import type {LayoutOptions} from '../layout';
// Displays a sequence of nodes, representing ancestors from a tree-of-life root to a currently-active root
export default defineComponent({
props: {
// For absolute positioning
pos: {type: Array as unknown as PropType<[number,number]>, required: true},
dims: {type: Array as unknown as PropType<[number,number]>, required: true},
// The ancestors to display
nodes: {type: Array as PropType<LayoutNode[]>, required: true},
// Options
lytOpts: {type: Object as PropType<LayoutOptions>, required: true},
uiOpts: {type: Object, required: true},
},
computed: {
wideArea(){
return this.dims[0] >= this.dims[1];
},
tileSz(){
return (this.wideArea ? this.dims[1] : this.dims[0]) -
(this.uiOpts.ancestryTileMargin * 2) - this.uiOpts.ancestryBarScrollGap;
},
usedNodes(){ // Childless versions of 'nodes' used to parameterise <tile>
return this.nodes.map(n => {
let newNode = new LayoutNode(n.tolNode, []);
newNode.dims = [this.tileSz, this.tileSz];
return newNode;
});
},
overflowing(){
let len = this.uiOpts.ancestryTileMargin +
(this.tileSz + this.uiOpts.ancestryTileMargin) * this.nodes.length;
return len > (this.wideArea ? this.dims[0] : this.dims[1]);
},
width(){
return this.dims[0] + (this.wideArea || this.overflowing ? 0 : -this.uiOpts.ancestryBarScrollGap);
},
height(){
return this.dims[1] + (!this.wideArea || this.overflowing ? 0 : -this.uiOpts.ancestryBarScrollGap);
},
styles(): Record<string,string> {
return {
position: 'absolute',
left: this.pos[0] + 'px',
top: this.pos[1] + 'px',
width: this.width + 'px',
height: this.height + 'px',
overflowX: this.wideArea ? 'auto' : 'hidden',
overflowY: this.wideArea ? 'hidden' : 'auto',
// Extra padding for scrollbar inclusion
paddingRight: (this.overflowing && !this.wideArea ? this.uiOpts.ancestryBarScrollGap : 0) + 'px',
paddingBottom: (this.overflowing && this.wideArea ? this.uiOpts.ancestryBarScrollGap : 0) + 'px',
// For child layout
display: 'flex',
flexDirection: this.wideArea ? 'row' : 'column',
gap: this.uiOpts.ancestryTileMargin + 'px',
padding: this.uiOpts.ancestryTileMargin + 'px',
// Other
backgroundColor: this.uiOpts.ancestryBarBgColor,
boxShadow: this.uiOpts.shadowNormal,
};
},
},
methods: {
onTileClick(node: LayoutNode){
this.$emit('detached-ancestor-click', node);
},
onInfoIconClick(data: LayoutNode){
this.$emit('info-icon-click', data);
}
},
components: {Tile, },
emits: ['detached-ancestor-click', 'info-icon-click', ],
});
</script>
<template>
<div :style="styles">
<tile v-for="(node, idx) in usedNodes" :key="node.tolNode.name" class="shrink-0"
:layoutNode="node" :nonAbsPos="true" :lytOpts="lytOpts" :uiOpts="uiOpts"
@leaf-click="onTileClick(nodes[idx])" @info-icon-click="onInfoIconClick"/>
</div>
</template>
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