How to custom all headers in v-data-table? - javascript

I'm trying to customize all headers in my v-data-table like this
<v-data-table
:headers="headers"
:items="desserts"
:disable-sort="true"
:hide-default-footer="true"
>
<template v-slot:header="{ header }">
{{ header.text.toUpperCase() }}
</template>
</v-data-table>
I saw in the documentation how to do this for only ONE header like this :
<v-data-table
:headers="headers"
:items="desserts"
:disable-sort="true"
:hide-default-footer="true"
>
<template v-slot:header.name="{ header }">
{{ header.text.toUpperCase() }}
</template>
</v-data-table>
but I want to custom ALL headers and I'm not figuring out how to do this. Also my headers are dynamics.

You can do it using the header (not header.<name>) slot. Note that this slot is used for generating all header columns at once. It means that you'll need to dynamically create the <th> tags using a v-for directive.
Also, it is located under the default headers, so you'll need to add the hide-default-header prop.
<v-data-table :headers="headers" :items="desserts" hide-default-header>
<template v-slot:header="{ props }">
<thead>
<tr>
<th v-for="header in props.headers" :key="header.text">
{{ header.text.toUpperCase() }}
</th>
</tr>
</thead>
</template>
</v-data-table>
See this working example.

Related

vuetify v-autocomplete table dropdown

Trying to create a v-autocomplete dropdown with a table format. For example I have a select with a list of products each one with product name, keywords, prefix etc... want to be able to display this info as table on a dropdown.
I was able to get the header working but then when I use a template for the items using
<v-autocomplete
dense
label="Select product"
:items="products"
:item-value="product_name"
:filter="customFilter"
:return-object="true"
v-model="form.product">
<template slot="selection" slot-scope="{ item, selected }">
{{ item.product_name ? item.product_name : ""}}
</template>
<template v-slot:prepend-item>
<v-simple-table dense>
<thead>
<tr>
<th>Full Name</th><th>Short Name</th><th>Prefix</th><th>Keywords</th>
</tr>
</thead>
</v-simple-table>
</template>
<template slot="item" slot-scope="{item}">
<v-simple-table>
<tbody>
<tr>
<td>{{ item.product_name }} </td><td>{{ item.product }}</td><td>{{ item.view_prefix }}</td><td>{{ item.keywords }}</td>
</tr>
</tbody>
</v-simple-table>
</template>
</v-autocomplete>
So this shows a perfect header but the data inside doesn't line up. The filter works fine and I can search for items on each column fine. Just want to be able to line up the header with the data properly. Let me know if anyone can help!

Clicking on row in v-data-table with template rows

When I added template rows (so that they have special formatting based on condition):
<v-data-table
:headers="headers"
:items="desserts"
:items-per-page="5"
class="elevation-1"
#click:row="clickedHandle"
>
<template v-slot:item="props">
<tr v-if="props.item.name.includes('Fro')">
<td>{{ props.item.name }}</td>
<td v-for="itemx in myheaders">{{ toThousands(props.item[itemx]) }}</td>
</tr>
<tr v-else>
<td v-for="itemx in props.item">{{ itemx }}</td>
</tr>
</template>
</v-data-table>
The function that is supposed to be called on row click clickedHandle does not fire up at all. Why is that so?
Here is the example where you can check this behaviour:
https://codesandbox.io/s/vuetify-playground-forked-lro4w?file=/src/layout.vue
The table does not seem to react on row click at all.
clickedHandle(value) {
console.log(value);
},
clickedHandle should log some value on row click.
Customize each cell individually as they do in the v-data-table row customization docs, not the whole row. You can use a v-for to dynamically target the cell slots you want (in conjunction with your myheaders array):
<template v-for="header in myheaders" v-slot:[`item.${header}`]="props">
<template v-if="props.item.name.includes('Fro')">
{{ toThousands(props.item[header]) }}
</template>
<template v-else>
{{ props.item[header] }}
</template>
</template>
You could avoid this slot and filter complexity by preparing your data ahead of time in a computed.
Here is an updated CodeSandbox
try with this code:
<v-data-table
:headers="headers"
:items="desserts"
hide-actions
class="elevation-1"
>
<template slot="items" slot-scope="myprops">
<tr v-if="myprops.item.name.includes('Fro')">
...
</tr>
<tr v-else>
<td v-for="itemx in props.item">{{ itemx }}</td>
</tr>
</template>
</v-data-table>

How can I expand slots in v-data-table component in Vuetify?

Hello I am trying expand default v-data-table component from Vuetify to avoid code redundancy. I have few components with v-data-table. It works on the same principles but table headers can be different. I am using v-slots but how I can expand dynamic slots from Vuetify?
When I have to add custom html to one of column (eg. action) in table I am using:
<v-data-table
:headers="questionTableHeaders"
:items="questions.fetchedData"
class="elevation-1"
hide-default-footer
:page.sync="questions.pagination.page"
:items-per-page="questions.pagination.itemsPerPage"
:loading="loadingData"
loading-text="Loading..."
no-data-text="No data.">
<template v-slot:item.action="{ item }">
<v-icon
small
class="mr-2"
title="title"
#click="clickOnTheItem(item)">
fas fa-plus
</v-icon>
</template>
</v-data-table>
But sometime tables don't have column action. How I can prepare dynamic slots in my component dataTable expanded default v-data-table component to make sure that each of the headers passing to my component have a slot that I can use in parent component?
If I have headers:
[
{text: "text1", value: "name"},
{text: "text2", value: "hash"}
]
I can have access to slots item.name and item.hash?
<dataTable :url="examApiUrl" :headers="examTableHeaders">
<template v-slot:item.name="{ item }"></template>
<template v-slot:item.hash="{ item }"></template>
</dataTable>
But as I wrote before, headers can be different. How I can prepare slots in my dataTable component?
Try it
<v-data-table
:headers="questionTableHeaders"
:items="questions.fetchedData"
class="elevation-1"
hide-default-footer
:page.sync="questions.pagination.page"
:items-per-page="questions.pagination.itemsPerPage"
:loading="loadingData"
loading-text="Loading..."
no-data-text="No data.">
<template v-slot:item.action="{ item }">
<v-icon
small
class="mr-2"
title="title"
#click="clickOnTheItem(item)">
fas fa-plus
</v-icon>
</template>
<template v-for="(slot, name) in $scopedSlots" v-slot:[name]="item">
<slot :name="name" v-bind="item"></slot>
</template>
</v-data-table>

Defining default emit events in a Vue JS component template

I havetwo nested Vue JS components. The child component emits a few events to the parent function which I define inside the parent component declaration. However these same few events are being called every time I am going to be using the component, so I want to be able to omit having to declare them within the props of the parent component. However I am unsure as to where to move the event declarations in the parent component props.
<admin-data-table
:dataTable="dataTable"
:modelName="modelName"
:collection="collection"
:tblShowFields="tblShowFields"
:selectedList.sync="selected"
#change-sort="changeSort"
#edit-row="edit"
#remove-row="remove"
></admin-data-table>
The #change-sort, #edit-row, and #remove-row events will always be defined this way every time I use admin-data-table component, so I want to be able to omit having to declare them.
I tried moving them into the template tag of the child component [admin-data-table], which did not work.
admin-data.table component:
<template
#change-sort="changeSort"
#edit-row="edit"
#remove-row="remove">
<v-flex xs12>
<v-progress-linear :indeterminate="true" :height="3" color="#c79121" :active="dataTable.loadingVal" class="mb-0 mt-5"></v-progress-linear>
<v-data-table :ref="modelName + 'Table'" :value="selectedList" #input="$emit('update:selectedList', $event)" :headers="dataTable.headers" :items="collection" :pagination.sync="dataTable.pagination" select-all item-key="id" class="elevation-1" >
<template v-slot:headers="props">
<tr>
<th><v-checkbox :input-value="props.all" color="#c79121" :indeterminate="props.indeterminate" primary hide-details #click.stop="toggleAllSelected"></v-checkbox></th>
<th v-for="header in props.headers" :key="header.text"
:class="['column sortable', dataTable.pagination.descending ? 'desc' : 'asc', header.value === dataTable.pagination.sortBy ? 'active' : '']"
#click="$emit('change-sort', header.value)">
<v-icon small>arrow_upward</v-icon>
{{ header.text }}
</th>
</tr>
</template>
<template v-slot:items="props">
<tr :active="props.selected">
<td class="text-center align-middle" #click="props.selected = !props.selected">
<v-checkbox :input-value="props.selected" primary hide-details color="#c79121"></v-checkbox>
</td>
<td v-for="(field, key) in props.item" v-if="tblShowFields.includes(key)">{{ field }}</td>
<td class="text-right align-middle">
<v-btn
v-for="(btn, i) in dataTable.rowButtons" :key="i"
:title="btn.title"
:color="btn.color" fab small
#click="btn.click">
<v-icon>{{ btn.icon }}</v-icon></v-btn>
<v-btn title="Edit" color="primary" fab small #click="$emit('edit-row', props.item.id)"><v-icon>edit</v-icon></v-btn>
<v-btn title="Delete" color="error" fab small class="text-white" #click="$emit('remove-row', props.item.id)"><v-icon>delete_outline</v-icon></v-btn>
</td>
</tr>
</template>
<template slot="no-data">
<p class="text-xs-center">No Data</p>
</template>
</v-data-table>
</v-flex>
</template>
<script>
export default {
name: "admin-data-table",
props: [
'dataTable',
'collection',
'modelName',
'collection',
'selectedList',
'tblShowFields'
]
}
</script>
Where can I map these into the admin-data-table component itself as defaults?
I hope I am understanding this correctly. You can set property defaults in vue if you specify the properties as objects instead of an Array.
props:{
'edit-row':{
type:Function,
default: (itemID) => { //function logic}
}
}
VueJS Prop Validation
If you look under the object example they show actually how an object needs to return a function as a default prop. You can then overwrite these props with another outside function if you include one.

Passing in prop in scoped-slot not working

I am trying to wrap my table inside of a slot for reusability purposes but I am having trouble with passing in my label prop:
My main parent component Parent.vue:
<Table
:headers="headers"
:items="people"
:search="search"
:label="label"
>
<template scope="props">
Label is: {{ label }} <!-- this label is not printing out -->
<v-data-table :headers="props.headers" :items="people" :search="props.search">
<template slot="items" slot-scope="props">
<td>{{ props.item.firstName }}</td>
<td>{{ props.item.lastName }}</td>
<td>{{ props.item.email }}</td>
</template>
</v-data-table>
</template>
</Table>
My Table component:
<template>
<div>
<slot :items="items" :headers="headers" :search="search" scoped-slot="{label: label}"></slot>
</div>
</template>
<script>
export default {
data() {
return {
label: "Some label"
}
},
computed: {
},
props: ["items", "headers", "search"]
}
</script>
This method gives me error Property or method "label" is not defined. Could someone help point out where I am going wrong with passing in the label prop?
You need to access it as props.label instead of just label
<template slot-scope="slotProps">
Label is: {{ slotProps.label }} <!-- this label is not printing out -->
<v-data-table :headers="props.headers" :items="people" :search="props.search">
<template slot="items" slot-scope="props">
<td>{{ props.item.firstName }}</td>
<td>{{ props.item.lastName }}</td>
<td>{{ props.item.email }}</td>
</template>
</v-data-table>
</template>
and in Table component, passing label as simple as other binding value:
<template>
<div>
<slot :items="items" :headers="headers" :search="search" :label="label"></slot>
</div>
</template>

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