From 0bf443fc8e50745eb3c535e4eddba5321c4729e6 Mon Sep 17 00:00:00 2001
From: cagataycivici <cagatay.civici@gmail.com>
Date: Mon, 28 Oct 2019 22:36:06 +0300
Subject: [PATCH] Initiated Cell Editing

---
 src/components/datatable/BodyCell.vue     |  68 +++++++++++++-
 src/router.js                             |   5 +
 src/views/datatable/DataTableEditDemo.vue | 109 ++++++++++++++++++++++
 src/views/datatable/DataTableSubMenu.vue  |   1 +
 4 files changed, 181 insertions(+), 2 deletions(-)
 create mode 100644 src/views/datatable/DataTableEditDemo.vue

diff --git a/src/components/datatable/BodyCell.vue b/src/components/datatable/BodyCell.vue
index 793fea73b..78a337a9e 100644
--- a/src/components/datatable/BodyCell.vue
+++ b/src/components/datatable/BodyCell.vue
@@ -1,6 +1,7 @@
 <template>
-    <td :style="column.bodyStyle" :class="column.bodyClass">
-        <ColumnSlot :data="rowData" :column="column" :index="index" type="body" v-if="column.$scopedSlots.body" />
+    <td :style="column.bodyStyle" :class="containerClass" @click="onClick" @keydown="onKeyDown">
+        <ColumnSlot :data="rowData" :column="column" :index="index" type="body" v-if="column.$scopedSlots.body && !editing" />
+        <ColumnSlot :data="rowData" :column="column" :index="index" type="editor" v-else-if="column.$scopedSlots.editor && editing" />
         <template v-else-if="column.selectionMode">
             <DTRadioButton :value="rowData" :checked="selected" @change="toggleRowWithRadio" v-if="column.selectionMode === 'single'" />
             <DTCheckbox :value="rowData" :checked="selected" @change="toggleRowWithCheckbox" v-else-if="column.selectionMode ==='multiple'" />
@@ -18,6 +19,7 @@
 </template>
 
 <script>
+import DomHandler from '../utils/DomHandler';
 import ObjectUtils from '../utils/ObjectUtils';
 import ColumnSlot from './ColumnSlot.vue';
 import RowRadioButton from './RowRadioButton';
@@ -46,9 +48,23 @@ export default {
             default: false
         },
     },
+    documentEditListener: null,
+    data() {
+        return {
+            editing: false
+        }
+    },
     mounted() {
         this.children = this.$children;
     },
+    updated() {
+        if (this.editing) {
+            let focusable = DomHandler.findSingle(this.$el, 'input');
+            if (focusable) {
+                focusable.focus();
+            }
+        }
+    },
     methods: {
         resolveFieldData() {
             return ObjectUtils.resolveFieldData(this.rowData, this.column.field);
@@ -64,6 +80,54 @@ export default {
         },
         toggleRowWithCheckbox(event) {
             this.$emit('checkbox-change', event);
+        },
+        onClick() {
+            if (this.isEditable() && !this.editing) {
+                this.editing = true;
+
+                this.bindDocumentEditListener();
+            }
+        },
+        isEditable() {
+            return this.column.$scopedSlots.editor != null;
+        },
+        bindDocumentEditListener() {
+            if (!this.documentEditListener) {
+                this.documentEditListener = (event) => {
+                    if (this.isOutsideClicked(event)) {
+                        this.switchCellToViewMode();
+                    }
+                };
+                
+                document.addEventListener('click', this.documentEditListener);
+            }
+        },
+        unbindDocumentEditListener() {
+            if (this.documentEditListener) {
+                document.removeEventListener('click', this.documentEditListener);
+                this.documentEditListener = null;
+            }
+        },
+        switchCellToViewMode() {
+            this.editing = false;
+            this.unbindDocumentEditListener();
+        },
+        isOutsideClicked(event) {
+            return !this.$el.contains(event.target) && !this.$el.isSameNode(event.target);
+        },
+        onKeyDown(event) {
+            if (event.which === 13 || event.which === 9 || event.which === 27) {
+                this.switchCellToViewMode();
+            }
+        }
+    },
+    computed: {
+        containerClass() {
+            return [this.column.bodyClass, {
+                'p-selection-column': this.column.selectionMode != null,
+                'p-editable-column': this.isEditable(),
+                'p-cell-editing': this.editing
+            }];
         }
     },
     components: {
diff --git a/src/router.js b/src/router.js
index cb6de7829..d8bd74674 100644
--- a/src/router.js
+++ b/src/router.js
@@ -191,6 +191,11 @@ export default new Router({
 			name: 'datatablestate',
 			component: () => import('./views/datatable/DataTableStateDemo.vue')
         },
+        {
+			path: '/datatable/edit',
+			name: 'datatableedit',
+			component: () => import('./views/datatable/DataTableEditDemo.vue')
+        },
         {
 			path: '/datatable/crud',
 			name: 'datatablecrud',
diff --git a/src/views/datatable/DataTableEditDemo.vue b/src/views/datatable/DataTableEditDemo.vue
new file mode 100644
index 000000000..0df752033
--- /dev/null
+++ b/src/views/datatable/DataTableEditDemo.vue
@@ -0,0 +1,109 @@
+<template>
+	<div>
+        <DataTableSubMenu />
+
+		<div class="content-section introduction">
+			<div class="feature-intro">
+				<h1>DataTable</h1>
+				<p>Cell and Row editing provide a rapid and user friendly way to manipulate data within the table.</p>
+			</div>
+		</div>
+
+		<div class="content-section implementation">
+            <h3>Cell Editing</h3>
+			<DataTable :value="cars">
+                <Column field="vin" header="Vin">
+                    <template #editor="slotProps">
+                        <InputText v-model="slotProps.data[slotProps.column.field]" />
+                    </template>
+                </Column>
+                <Column field="year" header="Year">
+                    <template #editor="slotProps">
+                        <InputText v-model="slotProps.data['year']" />
+                    </template>
+                </Column>
+                <Column field="brand" header="Brand">
+                    <template #editor="slotProps">
+                        <Dropdown v-model="slotProps.data['brand']" :options="brands" optionLabel="brand" optionValue="value" placeholder="Select a Brand">
+                            <template #option="optionProps">
+                                <div class="p-dropdown-car-option">
+                                    <img :alt="optionProps.option.brand" :src="'demo/images/car/' + optionProps.option.brand + '.png'" />
+                                    <span>{{optionProps.option.brand}}</span>
+                                </div>
+                            </template>
+                        </Dropdown>
+                    </template>
+                </Column>
+                <Column field="color" header="Color">
+                    <template #editor="slotProps">
+                        <InputText v-model="slotProps.data['color']" />
+                    </template>
+                </Column>
+            </DataTable>
+		</div>
+	</div>
+</template>
+
+<script>
+import CarService from '../../service/CarService';
+import DataTableSubMenu from './DataTableSubMenu';
+
+export default {
+    data() {
+        return {
+            columns: null,
+            cars: null,
+            brands: [
+                {brand: 'Audi', value: 'Audi'},
+                {brand: 'BMW', value: 'BMW'},
+                {brand: 'Fiat', value: 'Fiat'},
+                {brand: 'Honda', value: 'Honda'},
+                {brand: 'Jaguar', value: 'Jaguar'},
+                {brand: 'Mercedes', value: 'Mercedes'},
+                {brand: 'Renault', value: 'Renault'},
+                {brand: 'Volkswagen', value: 'Volkswagen'},
+                {brand: 'Volvo', value: 'Volvo'}
+            ]
+        }
+    },
+    carService: null,
+    created() {
+        this.carService = new CarService();
+
+        this.columns = [
+            {field: 'vin', header: 'Vin'},
+            {field: 'year', header: 'Year'},
+            {field: 'brand', header: 'Brand'},
+            {field: 'color', header: 'Color'}
+        ];
+    },
+    mounted() {
+        this.carService.getCarsSmall().then(data => this.cars = data);
+    },
+    components: {
+        'DataTableSubMenu': DataTableSubMenu
+    }
+}
+</script>
+
+<style lang="scss" scoped>
+/deep/ .p-datatable th,
+/deep/ .p-datatable td {
+    height: 3.5em;
+}
+
+.p-dropdown-car-option {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+
+    img {
+        margin-right: .5em;
+        width: 24px;
+    }
+
+    span {
+        margin-top: .125em;
+    }
+}
+</style>
\ No newline at end of file
diff --git a/src/views/datatable/DataTableSubMenu.vue b/src/views/datatable/DataTableSubMenu.vue
index 0db71eb3d..223b15b41 100644
--- a/src/views/datatable/DataTableSubMenu.vue
+++ b/src/views/datatable/DataTableSubMenu.vue
@@ -10,6 +10,7 @@
             <li><router-link to="/datatable/selection">&#9679; Selection</router-link></li>
             <li><router-link to="/datatable/lazy">&#9679; Lazy</router-link></li>
             <li><router-link to="/datatable/rowexpand">&#9679; Expand</router-link></li>
+            <li><router-link to="/datatable/edit">&#9679; Edit</router-link></li>
             <li><router-link to="/datatable/coltoggle">&#9679; ColToggle</router-link></li>
             <li><router-link to="/datatable/colresize">&#9679; ColResize</router-link></li>
             <li><router-link to="/datatable/reorder">&#9679; Reorder</router-link></li>