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<template>
<div>
<div hidden>
<label class="hiddeninput" v-if="required && sortedItems.length === 0">
<span class="textlabel">{{ label }}</span>
<input type="text" required value="">
</label>
</div>
<div class="formpart">
<ul class="clean editablelist">
<li v-for="item in sortedItems" :key="item.id" :data-type="item.type">
<studip-icon v-if="item.icon" :shape="item.icon" role="info" class="text-bottom" alt=""></studip-icon>
<input v-if="name" type="hidden" :name="name + '[]'" :value="item.value">
<span>{{item.name}}</span>
<button v-if="item.deletable" @click.prevent="deleteItem(item)" :title="$gettext('%{ name } löschen', {name: item.name}, true)" class="undecorated">
<studip-icon shape="trash" class="text-bottom"></studip-icon>
</button>
</li>
</ul>
<quicksearch v-if="quicksearch" :searchtype="quicksearch" name="qs" @input="addRange" :placeholder="$gettext('Suchen')"></quicksearch>
</div>
<label v-if="selectable">
{{ $gettext('Oder aus Liste auswählen:') }}
<select @change="quickselect" @keydown="navigate_or_select">
<option value="">{{ $gettext('Direkt auswählen ...') }}</option>
<template v-for="(opt, idx) in selectable">
<optgroup v-if="opt.label && opt.options" :label="opt.label" :key="idx">
<option v-for="(option, index) in opt.options" :disabled="isSelected(option.value)" :value="JSON.stringify({value: option.value, name: option.name})" :key="`group-${index}`">
{{ option.name + (isSelected(option.value) ? ' ✓' : '') }}
</option>
</optgroup>
<option v-else :disabled="isSelected(opt.value)" @click="quicksearch" :value="JSON.stringify({value: opt.value, name: opt.name})" :key="`opt-${idx}`">
{{ opt.name + (isSelected(opt.value) ? ' ✓' : '') }}
</option>
</template>
</select>
</label>
</div>
</template>
<script>
export default {
name: 'editable-list',
emits: ['input', 'items'],
props: {
name: {
type: String,
required: false
},
items: {
required: false,
type: Array
},
quicksearch: {
required: false
},
selectable: {
type: Array,
required: false
},
category_order: {
type: Array,
required: false,
default: () => [],
},
required: {
required: false,
type: Boolean,
default: false
},
label: {
type: String,
required: false
}
},
data () {
return {
resort: false, //this is just for triggering the computed property sortedItems to be sorted again
preventChangeOfQuickselect: false,
allItems: this.items ?? []
};
},
methods: {
addRange (id, name) {
let icon = null;
if (id.includes('__')) {
icon = id.split('__')[1];
id = id.split('__')[0];
}
if (!this.allItems.find(item => item.value === id)) {
this.allItems.push({
value: id,
name: name,
icon: icon,
deletable: true
});
this.changed();
}
},
changed () {
this.resort = !this.resort;
this.$emit('input', this.allItems.map(function (item) {
return item.value;
}));
this.$emit('items', this.allItems.map(function (item) {
return {
value: item.value,
name: item.name,
icon: item.icon,
deletable: item.deletable
};
}));
},
quickselect (event) {
if (event.target.value && !this.preventChangeOfQuickselect) {
let new_value = JSON.parse(event.target.value);
this.addRange(new_value.value, new_value.name);
event.target.value = '';
}
},
navigate_or_select (event) {
if (['ArrowDown', 'ArrowUp', 'ArrowLeft', 'ArrowRight'].includes(event.key)) {
//don't trigger change for 250 ms
this.preventChangeOfQuickselect = true;
window.setTimeout(() => {
this.preventChangeOfQuickselect = false;
}, 250);
} else if (event.key === 'Enter') {
//select current selection
let new_value = JSON.parse(event.target.value);
this.addRange(new_value.value, new_value.name);
event.target.value = '';
}
},
deleteItem (item) {
this.allItems = this.allItems.filter(i => i.value !== item.value);
this.changed();
},
isSelected (id) {
if (id.includes('__')) {
id = id.split('__')[0];
}
for (let i in this.allItems) {
if (this.allItems[i].value === id) {
return true;
}
}
return false;
}
},
computed: {
sortedItems () {
return [...this.allItems].sort((a, b) => {
if (a.icon === b.icon) {
return a.name.localeCompare(b.name);
} else {
let a_icon = typeof a.icon === 'string' ? a.icon : '';
let b_icon = typeof b.icon === 'string' ? b.icon : '';
if (this.category_order.indexOf(a_icon) > -1 && this.category_order.indexOf(b_icon) > -1) {
return this.category_order.indexOf(a_icon) < this.category_order.indexOf(b_icon) ? -1 : 1;
} else {
return a_icon.localeCompare(b_icon);
}
}
});
}
},
mounted () {
this.$emit('input', this.allItems.map(function (item) {
return item.value;
}));
}
}
</script>
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