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<script lang="ts">
import {defineComponent, PropType} from 'vue';
import {LayoutNode} from '../lib';
// Component holds a tree-node structure representing a tile or tile-group to be rendered
export default defineComponent({
name: 'tile', // Need this to use self in template
props: {
layoutNode: {type: Object as PropType<LayoutNode>, required: true},
isRoot: {type: Boolean, default: false},
// Settings passed in from parent component
transitionDuration: {type: Number, required: true},
headerSz: {type: Number, required: true},
tileSpacing: {type: Number, required: true},
},
data(){
return {
borderRadius: '5px',
leafHeaderHorzSpc: 4,
leafHeaderVertSpc: 2,
leafHeaderColor: '#fafaf9',
expandableLeafHeaderColor: 'greenyellow', //yellow, turquoise,
nonLeafBgColor: '#44403c',
nonLeafHeaderColor: '#fafaf9',
nonLeafHeaderBgColor: '#78716c',
// Used during transitions and to emulate/show an apparently-joined div
zIdx: 0,
overflow: this.isRoot ? 'hidden' : 'visible',
}
},
computed: {
isLeaf(){
return this.layoutNode.children.length == 0;
},
isExpandable(){
return this.layoutNode.tolNode.children.length > this.layoutNode.children;
},
showHeader(){
return (this.layoutNode.showHeader && !this.layoutNode.sepSweptArea) ||
(this.layoutNode.sepSweptArea && this.layoutNode.sepSweptArea.sweptLeft);
},
tileStyles(): Record<string,string> {
return {
// Places div using layoutNode, with centering if root
position: 'absolute',
left: this.isRoot ? '50%' : this.layoutNode.pos[0] + 'px',
top: this.isRoot ? '50%' : this.layoutNode.pos[1] + 'px',
transform: this.isRoot ? 'translate(-50%, -50%)' : 'none',
width: this.layoutNode.dims[0] + 'px',
height: this.layoutNode.dims[1] + 'px',
// Other bindings
transitionDuration: this.transitionDuration + 'ms',
zIndex: String(this.zIdx),
overflow: String(this.overflow),
// Static styles
transitionProperty: 'left, top, width, height',
transitionTimingFunction: 'ease-out',
// CSS variables
'--nonLeafBgColor': this.nonLeafBgColor,
};
},
leafStyles(): Record<string,string> {
return {
width: '100%',
height: '100%',
backgroundImage: 'url(\'/img/' + this.layoutNode.tolNode.name.replaceAll('\'', '\\\'') + '.png\')',
backgroundSize: 'cover',
borderRadius: this.borderRadius,
};
},
leafHeaderStyles(): Record<string,string> {
return {
position: 'absolute',
left: this.leafHeaderHorzSpc + 'px',
top: this.leafHeaderVertSpc + 'px',
maxWidth: (this.layoutNode.dims[0] - this.leafHeaderHorzSpc*2) + 'px',
height: this.headerSz + 'px',
lineHeight: this.headerSz + 'px',
color: this.isExpandable ? this.expandableLeafHeaderColor : this.leafHeaderColor,
// For ellipsis
overflow: 'hidden',
textOverflow: 'ellipsis',
whiteSpace: 'nowrap',
};
},
nonLeafStyles(): Record<string,string> {
let temp = {
width: '100%',
height: '100%',
backgroundColor: this.nonLeafBgColor,
outline: this.isRoot ? '' : 'black solid 1px',
borderRadius: this.borderRadius,
};
if (this.layoutNode.sepSweptArea != null){
temp = this.layoutNode.sepSweptArea.sweptLeft ?
{...temp, borderRadius: `${this.borderRadius} ${this.borderRadius} ${this.borderRadius} 0`} :
{...temp, borderRadius: `${this.borderRadius} 0 ${this.borderRadius} ${this.borderRadius}`};
}
return temp;
},
nonLeafHeaderStyles(): Record<string,string> {
return {
height: this.headerSz + 'px',
lineHeight: this.headerSz + 'px',
textAlign: 'center',
color: this.nonLeafHeaderColor,
backgroundColor: this.nonLeafHeaderBgColor,
borderRadius: `${this.borderRadius} ${this.borderRadius} 0 0`,
// For ellipsis
overflow: 'hidden',
textOverflow: 'ellipsis',
whiteSpace: 'nowrap',
};
},
sepSweptAreaStyles(): Record<string,string> {
let commonStyles = {
position: 'absolute',
backgroundColor: this.nonLeafBgColor,
outline: 'black solid 1px',
transitionDuration: this.transitionDuration + 'ms',
transitionProperty: 'left, top, width, height',
transitionTimingFunction: 'ease-out',
};
let area = this.layoutNode.sepSweptArea;
if (area == null){
return {
...commonStyles,
visibility: 'hidden',
left: '0',
top: this.headerSz + 'px',
width: '0',
height: '0',
};
} else {
return {
...commonStyles,
left: area.pos[0] + 'px',
top: area.pos[1] + 'px',
width: area.dims[0] + 'px',
height: area.dims[1] + 'px',
borderRadius: area.sweptLeft ?
`${this.borderRadius} 0 0 ${this.borderRadius}` :
`${this.borderRadius} ${this.borderRadius} 0 0`,
};
}
},
},
methods: {
onLeafClick(){
this.$emit('leaf-clicked', this.layoutNode);
// Increase z-index and hide overflow during transition
this.zIdx = 1;
this.overflow = 'hidden';
setTimeout(() => {this.zIdx = 0; this.overflow = 'visible'}, this.transitionDuration);
},
onInnerLeafClicked(node: LayoutNode){
this.$emit('leaf-clicked', node);
},
onHeaderClick(){
this.$emit('header-clicked', this.layoutNode);
// Increase z-index and hide overflow during transition
this.zIdx = 1;
this.overflow = 'hidden';
setTimeout(() => {this.zIdx = 0; this.overflow = 'visible'}, this.transitionDuration);
},
onInnerHeaderClicked(node: LayoutNode){
this.$emit('header-clicked', node);
},
},
});
</script>
<template>
<div :style="tileStyles">
<div v-if="isLeaf" :style="leafStyles" :class="isExpandable ? 'hover:cursor-pointer' : ''" @click="onLeafClick">
<div :style="{borderRadius: this.borderRadius}" class="upper-scrim"/>
<div :style="leafHeaderStyles">{{layoutNode.tolNode.name}}</div>
</div>
<div v-else :style="nonLeafStyles">
<div v-if="showHeader" :style="nonLeafHeaderStyles" class="hover:cursor-pointer" @click="onHeaderClick">
{{layoutNode.tolNode.name}}
</div>
<div :style="sepSweptAreaStyles"
:class="layoutNode?.sepSweptArea?.sweptLeft ? 'hide-right-edge' : 'hide-top-edge'">
<div v-if="layoutNode?.sepSweptArea?.sweptLeft === false"
:style="nonLeafHeaderStyles" class="hover:cursor-pointer" @click="onHeaderClick">
{{layoutNode.tolNode.name}}
</div>
</div>
<tile v-for="child in layoutNode.children" :key="child.tolNode.name" :layoutNode="child"
:headerSz="headerSz" :tileSpacing="tileSpacing" :transitionDuration="transitionDuration"
@leaf-clicked="onInnerLeafClicked" @header-clicked="onInnerHeaderClicked"/>
</div>
</div>
</template>
<style>
.hide-right-edge::before {
content: '';
position: absolute;
background-color: var(--nonLeafBgColor);
right: -1px;
bottom: 0;
width: 1px;
height: 101%;
}
.hide-top-edge::before {
content: '';
position: absolute;
background-color: var(--nonLeafBgColor);
bottom: -1px;
right: 0;
width: 101%;
height: 1px;
}
.upper-scrim {
position: absolute;
top: 0;
height: 50%;
width: 100%;
background-image: linear-gradient(to top, rgba(0,0,0,0), rgba(0,0,0,0.4));
}
</style>
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