Add batch actions to local user table

- Create TableToolbar component for table batch actions
- Added Toast warning type and toast title message translations
- Update vue-i18n package to latest v8.15.3 to use improved
  pluarlization features

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: I455beba4f56b8209b1201bbc5ff3f616e960d189
diff --git a/src/components/Mixins/BVTableSelectableMixin.js b/src/components/Mixins/BVTableSelectableMixin.js
new file mode 100644
index 0000000..fba2f2b
--- /dev/null
+++ b/src/components/Mixins/BVTableSelectableMixin.js
@@ -0,0 +1,44 @@
+const BVTableSelectableMixin = {
+  data() {
+    return {
+      tableHeaderCheckboxModel: false,
+      tableHeaderCheckboxIndeterminate: false,
+      selectedRows: []
+    };
+  },
+  methods: {
+    clearSelectedRows(tableRef) {
+      if (tableRef) tableRef.clearSelected();
+    },
+    toggleSelectRow(tableRef, rowIndex) {
+      if (tableRef && rowIndex !== undefined) {
+        tableRef.isRowSelected(rowIndex)
+          ? tableRef.unselectRow(rowIndex)
+          : tableRef.selectRow(rowIndex);
+      }
+    },
+    onRowSelected(selectedRows, totalRowsCount) {
+      if (selectedRows && totalRowsCount !== undefined) {
+        this.selectedRows = selectedRows;
+        if (selectedRows.length === 0) {
+          this.tableHeaderCheckboxIndeterminate = false;
+          this.tableHeaderCheckboxModel = false;
+        } else if (selectedRows.length === totalRowsCount) {
+          this.tableHeaderCheckboxIndeterminate = false;
+          this.tableHeaderCheckboxModel = true;
+        } else {
+          this.tableHeaderCheckboxIndeterminate = true;
+          this.tableHeaderCheckboxModel = false;
+        }
+      }
+    },
+    onChangeHeaderCheckbox(tableRef) {
+      if (tableRef) {
+        if (this.tableHeaderCheckboxModel) tableRef.clearSelected();
+        else tableRef.selectAllRows();
+      }
+    }
+  }
+};
+
+export default BVTableSelectableMixin;
diff --git a/src/components/Mixins/BVToastMixin.js b/src/components/Mixins/BVToastMixin.js
index 489173c..a46f5e5 100644
--- a/src/components/Mixins/BVToastMixin.js
+++ b/src/components/Mixins/BVToastMixin.js
@@ -1,22 +1,33 @@
+import i18n from '../../i18n';
+
 const BVToastMixin = {
   methods: {
-    successToast(message) {
+    successToast(message, title = i18n.t('global.response.success')) {
       this.$root.$bvToast.toast(message, {
-        title: 'Success',
+        title,
         variant: 'success',
         autoHideDelay: 10000, //auto hide in milliseconds
         isStatus: true,
         solid: true
       });
     },
-    errorToast(message) {
+    errorToast(message, title = i18n.t('global.response.error')) {
       this.$root.$bvToast.toast(message, {
-        title: 'Error',
+        title,
         variant: 'danger',
         noAutoHide: true,
         isStatus: true,
         solid: true
       });
+    },
+    warningToast(message, title = i18n.t('global.response.warning')) {
+      this.$root.$bvToast.toast(message, {
+        title,
+        variant: 'warning',
+        noAutoHide: true,
+        isStatus: true,
+        solid: true
+      });
     }
   }
 };