From cf2c411db34953e65c186e214bd9bae44073c881 Mon Sep 17 00:00:00 2001
From: taehoon <th.dev91@gmail.com>
Date: Thu, 4 Apr 2019 04:32:36 -0400
Subject: [PATCH] add header to selectable-list component

---
 src/components/checkbox/checkbox.scss         |  1 +
 src/components/list/list.vue                  |  2 +-
 .../selectable_list/selectable_list.js        | 30 +++++++++++++---
 .../selectable_list/selectable_list.vue       | 34 +++++++++++++------
 4 files changed, 52 insertions(+), 15 deletions(-)

diff --git a/src/components/checkbox/checkbox.scss b/src/components/checkbox/checkbox.scss
index 4dfcfe34..42556d89 100644
--- a/src/components/checkbox/checkbox.scss
+++ b/src/components/checkbox/checkbox.scss
@@ -4,6 +4,7 @@
   position: relative;
   display: inline-block;
   padding-left: 1.2em;
+  min-height: 1.2em;
 
   &-indicator::before {
     position: absolute;
diff --git a/src/components/list/list.vue b/src/components/list/list.vue
index 9d4beb21..7136915b 100644
--- a/src/components/list/list.vue
+++ b/src/components/list/list.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="list">
     <div v-for="item in items" class="list-item" :key="getKey(item)">
-      <slot name="item" :item="item" :keyVal="getKey(item)" />
+      <slot name="item" :item="item" />
     </div>
     <div class="list-empty-content faint" v-if="items.length === 0 && !!$slots.empty">
       <slot name="empty" />
diff --git a/src/components/selectable_list/selectable_list.js b/src/components/selectable_list/selectable_list.js
index 93efa840..809133f5 100644
--- a/src/components/selectable_list/selectable_list.js
+++ b/src/components/selectable_list/selectable_list.js
@@ -6,14 +6,32 @@ const SelectableList = {
     List,
     Checkbox
   },
-  props: List.props,
+  props: {
+    items: {
+      type: Array,
+      default: () => []
+    },
+    getKey: {
+      type: Function,
+      default: item => item.id
+    }
+  },
   data () {
     return {
       selected: []
     }
   },
+  computed: {
+    allSelected () {
+      return !this.items.find(item => !this.isSelected(item))
+    }
+  },
   methods: {
-    toggle (checked, key) {
+    isSelected (item) {
+      return this.selected.indexOf(this.getKey(item)) !== -1
+    },
+    toggle (checked, item) {
+      const key = this.getKey(item)
       const oldChecked = this.isSelected(key)
       if (checked !== oldChecked) {
         if (checked) {
@@ -23,8 +41,12 @@ const SelectableList = {
         }
       }
     },
-    isSelected (key) {
-      return this.selected.indexOf(key) !== -1
+    toggleAll (value) {
+      if (value) {
+        this.selected = this.items.map(this.getKey)
+      } else {
+        this.selected = []
+      }
     }
   }
 }
diff --git a/src/components/selectable_list/selectable_list.vue b/src/components/selectable_list/selectable_list.vue
index d8938062..e8c5d09b 100644
--- a/src/components/selectable_list/selectable_list.vue
+++ b/src/components/selectable_list/selectable_list.vue
@@ -1,14 +1,21 @@
 <template>
-  <List class="selectable-list" :items="items" :getKey="getKey">
-    <template slot="item" scope="p">
-      <div class="selectable-list-item-inner" :class="{ 'selectable-list-item-selected-inner': isSelected(p.keyVal) }">
-        <div class="selectable-list-checkbox-wrapper">
-          <Checkbox :checked="isSelected(p.keyVal)" @change="checked => toggle(checked, p.keyVal)" />
-        </div>
-        <slot name="item" :item="p.item" />
+  <div class="selectable-list">
+    <div class="selectable-list-header">
+      <div class="selectable-list-checkbox-wrapper">
+        <Checkbox :checked="allSelected" @change="toggleAll" />
       </div>
-    </template>
-  </List>
+    </div>
+    <List :items="items" :getKey="getKey">
+      <template slot="item" scope="p">
+        <div class="selectable-list-item-inner" :class="{ 'selectable-list-item-selected-inner': isSelected(p.item) }">
+          <div class="selectable-list-checkbox-wrapper">
+            <Checkbox :checked="isSelected(p.item)" @change="checked => toggle(checked, p.item)" />
+          </div>
+          <slot name="item" :item="p.item" />
+        </div>
+      </template>
+    </List>
+  </div>
 </template>
 
 <script src="./selectable_list.js"></script>
@@ -19,6 +26,7 @@
 .selectable-list {
   &-item-inner {
     display: flex;
+    align-items: center;
   }
 
   &-item-selected-inner {
@@ -26,8 +34,14 @@
     background-color: var(--lightBg, $fallback--lightBg);
   }
 
+  &-header {
+    display: flex;
+    align-items: center;
+    padding: 0.6em 0;
+  }
+
   &-checkbox-wrapper {
-    padding: 10px;
+    padding: 0 10px;
     flex: none;
   }
 }