Files
mixtape/zero.Web.UI/App/components/tree.vue
T
2020-05-20 13:49:50 +02:00

361 lines
7.9 KiB
Vue

<template>
<div class="ui-tree" :style="{ 'padding-left': depth > 0 ? ((depth * 18) + 'px') : null }">
<ui-header-bar class="ui-tree-header" :title="header" :back-button="false" v-if="header">
<ui-dot-button @click="onActionsClicked(null, $event)" />
</ui-header-bar>
<span v-if="status === 'loading'" class="ui-tree-item-loading"><i></i></span>
<template v-for="item in items">
<div class="ui-tree-item" :class="getClasses(item)" v-on:contextmenu="onRightClicked(item, $event)">
<button v-if="item.hasChildren" @click="toggle(item)" type="button" class="ui-tree-item-toggle">
<i class="ui-tree-item-arrow" :class="['fth-chevron-' + (item.isOpen ? 'up' : 'down')]"></i>
</button>
<router-link :to="item.url" class="ui-tree-item-link">
<i class="ui-tree-item-icon" :class="item.icon"></i>
<i v-if="item.modifier" :title="item.modifier.name" class="ui-tree-item-modifier" :class="item.modifier.icon"></i>
<span class="ui-tree-item-text">{{item.name | localize}}</span>
</router-link>
<ui-dot-button class="ui-tree-item-actions" v-if="configuration.onActionsRequested && item.hasActions" @click="onActionsClicked(item, $event)" />
</div>
<ui-tree v-if="item.hasChildren && item.isOpen" :get="get" :parent="item.id" :depth="depth + 1" :active="active" :config="config" />
</template>
<div ref="dropdown" class="ui-dropdown ui-tree-dropdown theme-dark align-top" role="dialog" v-click-outside="hideActions" v-if="actionsOpen">
<ui-dropdown-list v-model="actions" @hide="hideActions" />
</div>
</div>
</template>
<script>
import { each as _each, extend as _extend, debounce as _debounce, isArray as _isArray } from 'underscore';
const defaultConfig = {
// return actions for an item
onActionsRequested: null
};
export default {
name: 'uiTree',
props: {
depth: {
type: Number,
default: 0
},
active: {
type: String,
default: null
},
parent: {
type: String,
default: null
},
header: {
type: String,
default: null
},
get: {
type: Function,
required: true
},
config: {
type: Object,
default: () =>
{
return defaultConfig;
}
}
},
data: () => ({
items: [],
status: 'none',
actionsOpen: false,
actionsLoaded: false,
actions: [],
configuration: {}
}),
mounted()
{
this.initialize();
this.load(this.parent);
},
methods: {
initialize()
{
this.configuration = _extend(defaultConfig, this.config);
},
// loads children of the given parent id or on root if empty
load(parent)
{
this.setStatus('loading', this.items);
let promise = this.get(parent, this.active);
promise.then(response =>
{
this.items = response;
this.setStatus('loaded', this.items);
})
.catch(error =>
{
this.setStatus('error', this.items, error);
// TODO handle errors
});
},
// updates the status for the current tree
setStatus(status)
{
this.status = status;
this.$emit('onStatusChange', status);
},
// toggles children of an item
toggle(item)
{
item.isOpen = !item.isOpen;
},
// get all classes for a tree item
getClasses(item)
{
return {
'has-children': item.hasChildren,
'is-inactive': item.isInactive,
'is-open': item.isOpen
};
},
// hide actions overlay
hideActions()
{
if (this.actionsLoaded)
{
this.actionsOpen = false;
}
},
// right clicked on an item
onRightClicked(item, ev)
{
if (item.hasActions && this.configuration.onActionsRequested)
{
ev.preventDefault();
this.onActionsClicked(item, ev);
}
},
// actions button clicked on item
onActionsClicked(item, ev)
{
this.actionsLoaded = false;
if (!this.actionsOpen)
{
this.actions = this.configuration.onActionsRequested(item);
}
if (!this.actions || this.actions.length < 1 || this.actionsOpen)
{
this.actionsLoaded = true;
return;
}
this.actionsOpen = !this.actionsOpen;
this.$nextTick(() =>
{
let dropdown = this.$refs.dropdown;
let target = ev.target;
do
{
if (target.classList.contains('ui-tree-item') || target.classList.contains('ui-tree-header'))
{
break;
}
}
while (target = target.parentElement);
target = target.querySelector('.ui-dot-button');
var rect = target.getBoundingClientRect();
var width = 240;
var position = {
x: rect.left - width + rect.width,
y: rect.top + rect.height
};
dropdown.style.top = position.y + 'px';
dropdown.style.left = position.x + 'px';
dropdown.style.width = width + 'px';
setTimeout(() =>
{
this.actionsLoaded = true;
}, 300);
});
}
}
}
</script>
<style lang="scss">
.ui-tree
{
position: relative;
}
.ui-tree-header + .ui-tree-item
{
margin-top: -18px;
}
.ui-tree-item
{
display: grid;
grid-template-columns: 1fr auto;
align-items: center;
font-size: var(--font-size);
padding: 0 var(--padding);
height: 50px;
color: var(--color-fg);
position: relative;
transition: color 0.2s ease;
&.is-inactive .ui-tree-item-text
//&.is-inactive .ui-tree-item-icon
{
opacity: .5;
}
.ui-tree-item-arrow
{
transition: transform 0.2s ease;
}
&:hover > .ui-tree-item-actions
{
transition-delay: 0.2s;
opacity: 1;
}
&.is-open > .ui-tree-item-toggle .ui-tree-item-arrow
{
transform: rotate(180deg);
}
}
.ui-tree-item-link
{
display: grid;
grid-template-columns: 30px 1fr auto;
grid-gap: 6px;
height: 100%;
align-items: center;
position: relative;
color: var(--color-fg);
&.is-active
{
font-weight: bold;
}
}
.ui-tree-item-toggle
{
position: absolute;
color: var(--color-fg-mid);
height: 100%;
top: 0;
left: 0;
width: 30px;
text-align: right;
padding-right: 5px;
outline: none !important;
transition: color 0.2s ease;
&:hover
{
color: var(--color-fg);
}
}
.ui-tree-item-icon
{
font-size: 18px;
line-height: 1;
font-weight: 400;
position: relative;
top: -2px;
color: var(--color-fg-reverse-mid);
transition: color 0.2s ease;
}
.ui-tree-item-loading
{
display: block;
overflow: hidden;
position: absolute;
left: 0;
right: 0;
height: 2px;
i
{
background-color: var(--color-line);
transform: translateX(-100%) scaleX(1);
animation: treeitemloading 1s linear infinite;
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 0;
}
}
@keyframes treeitemloading
{
0% { transform: translateX(-100%); }
100% { transform: translateX(100%); }
}
.ui-tree-item-modifier
{
position: absolute;
left: 10px;
bottom: 12px;
background: var(--color-bg-light);
border-radius: 50%;
width: 14px;
height: 14px;
/*color: var(--color-fg-mid);*/
font-size: 11px;
font-style: normal;
text-align: center;
line-height: 14px;
}
.ui-tree-item-actions
{
transition: opacity 0.2s ease 0;
opacity: 0;
color: var(--color-fg-mid);
}
.ui-tree-dropdown
{
position: fixed;
min-width: 200px;
}
</style>