From 856c81fdf3775e7bfdce7bd09d8069da4a5fabdf Mon Sep 17 00:00:00 2001
From: Sockenklaus <sockenklaus@gmail.com>
Date: Tue, 9 Nov 2021 23:53:56 +0100
Subject: [PATCH] Further work on VPaginator component

---
 src/components/VPaginator.vue | 109 ++++++++++++++++++++++++----------
 src/stores/employees.ts       |   2 +-
 src/views/Employees/Index.vue |  12 +++-
 3 files changed, 88 insertions(+), 35 deletions(-)

diff --git a/src/components/VPaginator.vue b/src/components/VPaginator.vue
index 5ef828e..1a9c637 100644
--- a/src/components/VPaginator.vue
+++ b/src/components/VPaginator.vue
@@ -1,42 +1,62 @@
 <template>
 
-<nav aria-label="Page navigation" class="d-flex align-items-center justify-content-between">
+<nav aria-label="Page navigation" class="d-flex flex-row align-items-center justify-content-between">
     <ul class="pagination" >
+
         <li class="page-item" :class="{disabled: isFirstPage}">
-            <button class="page-link" @click="setPage(store.meta.first_page)">
+            <button class="page-link" @click="decPage()">
                 <i class="bi bi-caret-left" />
-                Anfang
             </button>
         </li>
 
-        <li v-for="page in displayedPages" class="page-item" :class="{active: page == store.page}">
-            <button class="page-link" @click="setPage(page)">
-                {{ page }}
+        <li class="page-item" :class="{active: isFirstPage}">
+            <button class="page-link" @click="setPage(props.firstPage)">
+                {{props.firstPage}}
             </button>
         </li>
 
-        <li class="page-item" :class="{disabled: isLastPage}" @click="setPage(store.meta.last_page)">
+        <li class="page-item disabled" v-if="showLeftSeperator">
+            <span class="page-link">...</span>
+        </li>
+
+        <template v-for="page in displayedPages">
+            <li v-if="showPage(page)" class="page-item" :class="{active: classPageActive(page)}">
+                <button class="page-link" @click="setPage(page)">
+                    {{ page }}
+                </button>
+            </li>
+        </template >
+
+        <li class="page-item disabled" v-if="showRightSeperator">
+            <span class="page-link">...</span>
+        </li>
+        
+        <li v-if="!hasOnlyOnePage" class="page-item" :class="{active: isLastPage}" @click="setPage(props.lastPage)">
             <button class="page-link">
-                Ende
+                {{props.lastPage}}
+            </button>
+        </li>
+        
+        <li class="page-item" :class="{disabled: isLastPage}">
+            <button class="page-link" @click="incPage()">
                 <i class="bi bi-caret-right" />
             </button>
         </li>
+
+        
     </ul>
-    <div>
+    <div class="ms-auto pe-2">
         Seite
-        <input type="text" class="form-control inline" :value="store.page" @input="setPage($event.target?.value)">
-        von {{ store.meta.last_page }}
+    </div>
+    <div>
+        <input size="1" type="text" class="form-control form-control-sm" :value="props.page" @input="setPage($event.target?.value)">
+    </div>
+    <div class="ms-2">
+        von {{ props.lastPage }}
     </div>
     
 </nav>
 
-{{displayedPages}}
-
-<br>
-
-{{store.page}}
-{{typeof store.page}}
-
 </template>
 
 <script setup lang="ts">
@@ -47,15 +67,41 @@ import _inRange from 'lodash/inRange'
 
 const store = useEmployees()
 
-const isFirstPage = computed(() => store.page <= store.meta.first_page)
-const isLastPage = computed(() => store.page >= store.meta.last_page)
+const props = defineProps({
+    radius: {
+        type: Number,
+        default: 2
+    },
+    page: {
+        type: Number,
+        default: 1
+    },
+    firstPage: {
+        type: Number,
+        default: 1
+    },
+    lastPage: {
+        type: Number,
+        default: 1
+    }
+})
+
+const emit = defineEmits([
+    'setPage'
+])
+
+const isFirstPage = computed(() => props.page <= props.firstPage)
+const isLastPage = computed(() => props.page >= props.lastPage)
+const showLeftSeperator = computed(() => props.page - props.radius - 1 > props.firstPage)
+const showRightSeperator = computed(() => props.page + props.radius + 1 < props.lastPage)
+const showPage = (page : number) => page !== props.firstPage && page !== props.lastPage
+const classPageActive = (page : number) => page === props.page
+const hasOnlyOnePage = computed(() => props.lastPage === props.firstPage)
 
 const displayedPages = computed(() => {
-    const radius = 1
     const pages = []
-    const currentPage = store.page
-    const firstPage = currentPage - radius > store.meta.first_page ? currentPage - radius : store.meta.first_page
-    const lastPage = currentPage + radius < store.meta.last_page ? currentPage + radius : store.meta.last_page
+    const firstPage = props.page - props.radius > props.firstPage ? props.page - props.radius : props.firstPage
+    const lastPage = store.page + props.radius < props.lastPage ? props.page + props.radius : props.lastPage
 
     for (let i = firstPage; i <= lastPage; i++) {
         pages.push(i)
@@ -65,24 +111,21 @@ const displayedPages = computed(() => {
 })
 
 function incPage() {
-    if(store.page < store.meta.last_page) {
-        store.setPage(store.page + 1)
+    if(props.page < props.lastPage) {
+        emit('setPage', props.page + 1)
     }
 }
 function decPage(){
-    if(store.page > store.meta.first_page) {
-        store.setPage( store.page - 1)
+    if(props.page > props.firstPage) {
+        emit('setPage', props.page - 1)
     }
 }
 
 function setPage(page: number) {
-    if(_inRange(page, store.meta.first_page, store.meta.last_page+1)) {
-        store.setPage(page)
+    if(_inRange(page, props.firstPage, props.lastPage+1)) {
+        emit('setPage', page)
     }
 }
-
-
-
 </script>
 
 <style scoped>
diff --git a/src/stores/employees.ts b/src/stores/employees.ts
index b4f51ff..51f658f 100644
--- a/src/stores/employees.ts
+++ b/src/stores/employees.ts
@@ -23,7 +23,7 @@ export const useEmployees = defineStore('employees', {
 
             columns: Array<string>(),
 
-            limit: 1,
+            limit: 10,
             page: 1,
             sort_by: '',
             simple_search: ''
diff --git a/src/views/Employees/Index.vue b/src/views/Employees/Index.vue
index 7e05907..d67c5f6 100644
--- a/src/views/Employees/Index.vue
+++ b/src/views/Employees/Index.vue
@@ -26,7 +26,13 @@
 
 <h5 v-show="rows.length === 0" class="text-muted">Keine Daten anzuzeigen...</h5>
 
-<VPaginator />
+<VPaginator 
+    :radius="1" 
+    :page="store.page" 
+    :first-page="store.meta.first_page" 
+    :last-page="store.meta.last_page"
+    @set-page="paginatorSetPage" 
+/>
 
 </template>
 
@@ -69,6 +75,10 @@ const iconSort = computed(() => {
     return 'bi-sort-' + (sort_by.asc ? 'down' : 'up')+'-alt'
 })
 
+function paginatorSetPage(e : number){
+    store.setPage(e)
+}
+
 </script>
 
 <style scoped>