From ca36f6391afbe1115e8efa70572f7ed7b5407391 Mon Sep 17 00:00:00 2001
From: wancat <wancat@wancat.cc>
Date: Wed, 31 Jul 2024 18:00:19 +0800
Subject: [PATCH] feat: add dragging

---
 app/src/components/QuestMap.vue | 129 +++++++++++++++++++-------------
 app/src/utils/api.ts            |   5 ++
 2 files changed, 80 insertions(+), 54 deletions(-)

diff --git a/app/src/components/QuestMap.vue b/app/src/components/QuestMap.vue
index e6847b0..27a070c 100644
--- a/app/src/components/QuestMap.vue
+++ b/app/src/components/QuestMap.vue
@@ -1,10 +1,9 @@
 <script setup lang="ts">
 import { ref, onMounted, watch } from 'vue'
-import { IQuest } from '@linux-odyssey/models'
 import { useRouter } from 'vue-router'
 import { useToast } from 'vue-toastification'
 import { DAG } from '@linux-odyssey/utils'
-import api from '../utils/api'
+import { getQuests } from '../utils/api'
 import useUserProfile from '../store/userProfile'
 
 const store = useUserProfile()
@@ -14,22 +13,12 @@ const toast = useToast()
 const svgWidth = ref(window.innerWidth)
 const svgHeight = ref(window.innerHeight)
 
-const marginX = 80
-const marginY = 80
+const marginX = 100
+const marginY = 100
 
 const nodeWidth = 150
 const nodeHeight = 50
 
-async function getQuests() {
-  try {
-    const res = await api.get<IQuest[]>('/quests')
-    return res.data
-  } catch (err) {
-    console.error(err)
-    throw err
-  }
-}
-
 type Node = {
   id: string
   title: string
@@ -49,6 +38,28 @@ const graphData = ref<{ nodes: Node[]; edges: Edge[] }>({
   edges: [],
 })
 
+const isDragging = ref(false)
+const dragStartX = ref(0)
+const dragStartY = ref(0)
+const offsetX = ref(0)
+const offsetY = ref(0)
+
+function startDrag(event: MouseEvent) {
+  isDragging.value = true
+  dragStartX.value = event.clientX - offsetX.value
+  dragStartY.value = event.clientY - offsetY.value
+}
+
+function drag(event: MouseEvent) {
+  if (!isDragging.value) return
+  offsetX.value = event.clientX - dragStartX.value
+  offsetY.value = event.clientY - dragStartY.value
+}
+
+function endDrag() {
+  isDragging.value = false
+}
+
 async function computeGraphData() {
   if (!store.progress) return
 
@@ -112,47 +123,57 @@ watch(() => store.progress, computeGraphData, { deep: true })
     >
       踏上你的Linux冒險之旅吧！
     </h1>
-    <svg :width="svgWidth" :height="svgHeight" class="absolute">
-      <!-- <g
-        v-for="edge in graphData.edges"
-        :key="`${edge.source.id}-${edge.target.id}`"
-      >
-        <line
-          :x1="edge.source.x"
-          :y1="edge.source.y"
-          :x2="edge.target.x"
-          :y2="edge.target.y"
-          :stroke="edge.target.unlocked ? '#ADADB5' : '#454552'"
-          :stroke-dasharray="edge.target.unlocked ? 'none' : '5,5'"
-          stroke-width="3"
-        />
-      </g> -->
-      <g
-        v-for="node in graphData.nodes"
-        :key="node.id"
-        @click="handleNodeClick(node)"
-      >
-        <rect
-          :x="node.x - nodeWidth / 2"
-          :y="node.y - nodeHeight / 2"
-          :width="nodeWidth"
-          :height="nodeHeight"
-          rx="10"
-          ry="10"
-          :fill="
-            node.completed ? '#00bb00' : node.unlocked ? '#ADADB5' : '#505050'
-          "
-        />
-        <text
-          :x="node.x"
-          :y="node.y"
-          text-anchor="middle"
-          alignment-baseline="middle"
-          fill="white"
-          font-size="16"
+    <svg
+      :width="svgWidth"
+      :height="svgHeight"
+      class="absolute"
+      @mousedown="startDrag"
+      @mousemove="drag"
+      @mouseup="endDrag"
+      @mouseleave="endDrag"
+    >
+      <g :transform="`translate(${offsetX}, ${offsetY})`">
+        <!-- <g
+          v-for="edge in graphData.edges"
+          :key="`${edge.source.id}-${edge.target.id}`"
         >
-          {{ node.title }}
-        </text>
+          <line
+            :x1="edge.source.x"
+            :y1="edge.source.y"
+            :x2="edge.target.x"
+            :y2="edge.target.y"
+            :stroke="edge.target.unlocked ? '#ADADB5' : '#454552'"
+            :stroke-dasharray="edge.target.unlocked ? 'none' : '5,5'"
+            stroke-width="3"
+          />
+        </g> -->
+        <g
+          v-for="node in graphData.nodes"
+          :key="node.id"
+          @click="handleNodeClick(node)"
+        >
+          <rect
+            :x="node.x - nodeWidth / 2"
+            :y="node.y - nodeHeight / 2"
+            :width="nodeWidth"
+            :height="nodeHeight"
+            rx="10"
+            ry="10"
+            :fill="
+              node.completed ? '#00bb00' : node.unlocked ? '#ADADB5' : '#505050'
+            "
+          />
+          <text
+            :x="node.x"
+            :y="node.y"
+            text-anchor="middle"
+            alignment-baseline="middle"
+            fill="white"
+            font-size="16"
+          >
+            {{ node.title }}
+          </text>
+        </g>
       </g>
     </svg>
   </div>
diff --git a/app/src/utils/api.ts b/app/src/utils/api.ts
index 3d22dcc..81f2121 100644
--- a/app/src/utils/api.ts
+++ b/app/src/utils/api.ts
@@ -43,3 +43,8 @@ export async function getActiveSession(
   })
   return res.data
 }
+
+export async function getQuests(): Promise<IQuest[]> {
+  const res = await api.get<IQuest[]>('/quests')
+  return res.data
+}