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<script>
import Tile from './Tile.vue';
import tol from '../tol.json';
function preprocessTol(tree){
if (!tree.children){
tree.children = [];
} else {
tree.children.forEach(preprocessTol);
}
}
preprocessTol(tol);
//tol-node format: {name: string1, children: [node1, ...]}
import {staticSqrLayout, staticRectLayout, sweepToSideLayout, layoutInfoHooks} from '../layout.js';
let LAYOUT_FUNC = sweepToSideLayout;
export default {
data(){
return {
tree: this.initTree(tol, 1),
width: document.documentElement.clientWidth,
height: document.documentElement.clientHeight,
resizeThrottled: false,
}
},
methods: {
initTree(tol, lvl){
let tree = {
tolNode:tol, children:[],
x:0, y:0, w:0, h:0, headerSz:0,
sideArea:null,
};
function initTreeRec(tree, lvl){
if (lvl > 0)
tree.children = tree.tolNode.children.map(tNode => initTreeRec({
tolNode: tNode, children: [],
x:0, y:0, w:0, h:0, headerSz:0,
sideArea:null,
}, lvl-1));
return tree;
}
initTreeRec(tree, lvl);
layoutInfoHooks.initLayoutInfo(tree)
return tree;
},
onResize(){
if (!this.resizeThrottled){
this.width = document.documentElement.clientWidth;
this.height = document.documentElement.clientHeight;
this.tryLayout();
//prevent re-triggering until after a delay
this.resizeThrottled = true;
setTimeout(() => {this.resizeThrottled = false;}, 100);
}
},
onInnerTileClicked(nodeList){
//nodeList holds an array of tree-objects, from the clicked-on-tile's tree-object upward
let numNewTiles = nodeList[0].tolNode.children.length;
if (numNewTiles == 0){
console.log('Tile-to-expand has no children');
return;
}
//add children
nodeList[0].children = nodeList[0].tolNode.children.map(tNode => ({
tolNode: tNode, children: [],
x:0, y:0, w:0, h:0, headerSz:0,
}));
layoutInfoHooks.updateLayoutInfoOnExpand(nodeList);
//try to layout tree
if (!this.tryLayout())
nodeList[0].children = [];
},
onInnerHeaderClicked(nodeList){ //nodeList is array of tree-objects, from clicked-on-tile's tree-object upward
let children = nodeList[0].children;
nodeList[0].children = [];
layoutInfoHooks.updateLayoutInfoOnCollapse(nodeList);
if (!this.tryLayout())
nodeList[0].children = children;
},
tryLayout(){
let layout = LAYOUT_FUNC(this.tree, 0, 0, this.width, this.height, true);
if (layout == null){
console.log('Unable to layout tree');
return false;
} else {
this.applyLayout(layout, this.tree);
return true;
}
},
applyLayout(layout, tree){
tree.x = layout.x;
tree.y = layout.y;
tree.w = layout.w;
tree.h = layout.h;
tree.headerSz = layout.headerSz;
layout.children.forEach((n,i) => this.applyLayout(n, tree.children[i]));
//handle case where leaf nodes placed in leftover space from parent-sweep
if (layout.sideArea){
//add parent area coords
tree.sideArea = layout.sideArea;
//move leaf node children to parent area
tree.children.filter(n => n.children.length == 0).map(n => {
n.x += layout.sideArea.x;
n.y += layout.sideArea.y;
});
} else {
tree.sideArea = null;
}
}
},
created(){
window.addEventListener('resize', this.onResize);
this.tryLayout();
},
unmounted(){
window.removeEventListener('resize', this.onResize);
},
components: {
Tile
}
}
</script>
<template>
<div class="h-[100vh]">
<tile :tree="tree" @tile-clicked="onInnerTileClicked" @header-clicked="onInnerHeaderClicked"></tile>
</div>
</template>
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