first commit

Author: jorgv

.gitignore

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+/dist
+/.idea
+/vendor
+/node_modules
+package-lock.json
+composer.phar
+composer.lock
+phpunit.xml
+.phpunit.result.cache
+.DS_Store
+Thumbs.db

README.md

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+# nova-plus-button

composer.json

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+{
+    "name": "jorgv/plus-button",
+    "description": "A Laravel Nova field.",
+    "keywords": [
+        "laravel",
+        "nova"
+    ],
+    "license": "MIT",
+    "require": {
+        "php": ">=7.1.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Jorgv\\PlusButton\\": "src/"
+        }
+    },
+    "extra": {
+        "laravel": {
+            "providers": [
+                "Jorgv\\PlusButton\\FieldServiceProvider"
+            ]
+        }
+    },
+    "config": {
+        "sort-packages": true
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true
+}

mix-manifest.json

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+{
+    "/dist/js/field.js": "/dist/js/field.js",
+    "/dist/css/field.css": "/dist/css/field.css"
+}

package.json

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+{
+    "private": true,
+    "scripts": {
+        "dev": "npm run development",
+        "development": "cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
+        "watch": "cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --watch --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
+        "watch-poll": "npm run watch -- --watch-poll",
+        "hot": "cross-env NODE_ENV=development node_modules/webpack-dev-server/bin/webpack-dev-server.js --inline --hot --config=node_modules/laravel-mix/setup/webpack.config.js",
+        "prod": "npm run production",
+        "production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
+    },
+    "devDependencies": {
+        "cross-env": "^5.0.0",
+        "laravel-mix": "^1.0",
+        "laravel-nova": "^1.0"
+    },
+    "dependencies": {
+        "vue": "^2.5.0"
+    }
+}

resources/js/components/DetailField.vue

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+<template>
+    <panel-item :field="field" />
+</template>
+
+<script>
+export default {
+    props: ['resource', 'resourceName', 'resourceId', 'field'],
+}
+</script>

resources/js/components/FormField.vue

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+<template>
+    <default-field :field="field">
+        <template slot="field">
+            <input :id="field.name" type="text"
+                class="w-full form-control form-input form-input-bordered"
+                :class="errorClasses"
+                :placeholder="field.name"
+                v-model="value"
+            />
+
+            <p v-if="hasError" class="my-2 text-danger">
+                {{ firstError }}
+            </p>
+        </template>
+    </default-field>
+</template>
+
+<script>
+import { FormField, HandlesValidationErrors } from 'laravel-nova'
+
+export default {
+    mixins: [FormField, HandlesValidationErrors],
+
+    props: ['resourceName', 'resourceId', 'field'],
+
+    methods: {
+        /*
+         * Set the initial, internal value for the field.
+         */
+        setInitialValue() {
+          this.value = this.field.value || ''
+        },
+
+        /**
+         * Fill the given FormData object with the field's internal value.
+         */
+        fill(formData) {
+          formData.append(this.field.attribute, this.value || '')
+        },
+
+        /**
+         * Update the field's internal value.
+         */
+        handleChange(value) {
+          this.value = value
+        }
+    }
+}
+</script>

resources/js/components/IndexField.vue

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+<template>
+    <span>
+        <button
+        @click="Increase"
+        class="cursor-pointer text-70 hover:text-primary mr-3"
+        >
+            <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" aria-labelledby="updateRequest" role="presentation" class="fill-current">
+            <path d="M12 22a10 10 0 1 1 0-20 10 10 0 0 1 0 20zm0-2a8 8 0 1 0 0-16 8 8 0 0 0 0 16zm1-9h2a1 1 0 0 1 0 2h-2v2a1 1 0 0 1-2 0v-2H9a1 1 0 0 1 0-2h2V9a1 1 0 0 1 2 0v2z"/></svg>
+            <span>{{field.value}}</span>
+        </button>
+    </span>
+</template>
+
+<script>
+export default {
+    props: ['resourceName', 'field'],
+
+    methods: {
+        /**
+         * Send an update request to increase value for this resource
+         */
+        Increase() {
+            this.field.value = this.field.value + this.field.increaseValue;          
+            return Nova.request().post(
+                `/api/${this.resourceName}/increase/${this.$parent.resource.id.value}`,
+                {
+                    count: this.field.value
+                }
+                )  
+        },
+    }
+}
+</script>

resources/js/field.js

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+Nova.booting((Vue, router) => {
+    Vue.component('index-plus-button', require('./components/IndexField'));
+    Vue.component('detail-plus-button', require('./components/DetailField'));
+    Vue.component('form-plus-button', require('./components/FormField'));
+})

resources/sass/field.scss

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+// Nova Tool CSS

src/FieldServiceProvider.php

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+<?php
+
+namespace Jorgv\PlusButton;
+
+use Laravel\Nova\Nova;
+use Laravel\Nova\Events\ServingNova;
+use Illuminate\Support\ServiceProvider;
+
+class FieldServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap any application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        Nova::serving(function (ServingNova $event) {
+            Nova::script('plus-button', __DIR__.'/../dist/js/field.js');
+            Nova::style('plus-button', __DIR__.'/../dist/css/field.css');
+        });
+    }
+
+    /**
+     * Register any application services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        //
+    }
+}

src/PlusButton.php

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+<?php
+
+namespace Jorgv\PlusButton;
+
+use Laravel\Nova\Fields\Field;
+
+class PlusButton extends Field
+{
+    /**
+     * The field's component.
+     *
+     * @var string
+     */
+    public $component = 'plus-button';
+
+    /**
+     * Set the increase value.
+     *
+     * @param  array  $value
+     * @return $this
+     */
+    public function increaseValue(int $value = 1)
+    {
+        return $this->withMeta(['increaseValue' => $value]);
+    }
+}

webpack.mix.js

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+let mix = require('laravel-mix')
+
+mix.js('resources/js/field.js', 'dist/js')
+   .sass('resources/sass/field.scss', 'dist/css')
+    .webpackConfig({
+        resolve: {
+            symlinks: false
+        }
+    })