From d82733fc757f080c8910049ae12567454ee1aeac Mon Sep 17 00:00:00 2001
From: YM <479443481@qq.com>
Date: 星期三, 29 五月 2024 17:02:30 +0800
Subject: [PATCH] Merge branch 'master' of http://182.92.203.7:2001/r/testbookLayout

---
 src/books/English/view/components/index.vue |  311 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 304 insertions(+), 7 deletions(-)

diff --git a/src/books/English/view/components/index.vue b/src/books/English/view/components/index.vue
index 83ed5bf..c495807 100644
--- a/src/books/English/view/components/index.vue
+++ b/src/books/English/view/components/index.vue
@@ -1,15 +1,312 @@
 <template>
-  <div>
-
+  <div class="page-main" @scroll="throttledScrollHandler">
+    <div class="page-content">
+      <pageHeader ></pageHeader>
+      <chapterOne @saveCharacters="saveCharacters"></chapterOne>
+    </div>
   </div>
 </template>
 
 <script>
-  export default {
-    name:'pageContent'
-  }
+import pageHeader from './header.vue'
+import chapterOne from './chapter001.vue'
+export default {
+  name: "pageContent",
+  components:{pageHeader,chapterOne},
+  data() {
+    return {
+      catalogLength: 2, // 鎬荤珷鑺傛暟
+      showCatalogList: [], // 鏄剧ず鐨勭珷鑺�
+      loadThreshold: 300, // 瑙﹀彂鍔犺浇闃堝��
+      throttleThreshold: 100, // 鑺傛祦闃堝��
+      previousScrollTop: 0,
+      throttledScrollHandler: null,
+      observer: null,
+    };
+  },
+  watch: {
+    showCatalogList: {
+      handler(newVal, oldVal) {
+        if (
+          this.$store.state.qiankun &&
+          this.$store.state.qiankun.catalogChange
+        ) {
+          // 璋冪敤鐖跺眰鏂规硶
+          this.$store.state.qiankun.catalogChange({
+            showCatalogList: newVal,
+          });
+        }
+        // 鍚姩椤电爜瑙傚療
+        setTimeout(() => {
+          this.initObservation();
+        }, 500);
+      },
+    },
+  },
+  mounted() {
+    // 榛樿鍔犺浇绔犺妭
+    this.showCatalogList = [0, 1];
+    // 婊氬姩鐩戝惉鑺傛祦
+    this.throttledScrollHandler = _.throttle(
+      this.scrollFun,
+      this.throttleThreshold,
+      { leading: true, trailing: false }
+    );
+    // 瀹氫箟瀛愬眰鏂规硶
+    if (this.setGlobalState) {
+      // 鎻愪緵椤甸潰璺宠浆鍔熻兘
+      this.setGlobalState({
+        gotoPage: (catalog, page) => {
+          this.gotoPage(catalog, page);
+        },
+        // 娓叉煋绗旇銆侀珮浜�佸垝绾�
+        renderSign: (type, data) => {
+          this.renderSign(type, data);
+        },
+        // 鍒犻櫎绗旇銆侀珮浜�佸垝绾�
+        delSign: (data) => {
+          this.delSign(data);
+        },
+      });
+    }
+
+    // 鍒涘缓涓�涓柊鐨� Intersection Observer 瀹炰緥锛岀敤浜庤瀵熺洰鏍囧厓绱犲拰鎵ц鐩稿簲鐨勫洖璋冨嚱鏁般��
+    // new IntersectionObserver(callback, options)锛氫娇鐢ㄤ箣鍓嶅畾涔夌殑 callback 鍥炶皟鍑芥暟鍜� options 閰嶇疆閫夐」鏉ュ垵濮嬪寲 Intersection Observer 瀹炰緥銆�
+    this.observer = new IntersectionObserver(this.pageChangeCallback, {
+      root: null, // 鎸囧畾鏍瑰厓绱狅紝杩欓噷璁句负 null锛岃〃绀洪�夊彇鏁翠釜瑙嗙獥浣滀负鏍瑰厓绱犮��
+      rootMargin: "0px", // 鎸囧畾鏍瑰厓绱犵殑杈圭晫锛岃繖閲岃涓� "0px"锛岃〃绀烘牴鍏冪礌鐨勮竟鐣屽拰瑙嗙獥鐨勮竟鐣岄噸鍚�
+      threshold: 0.5, // 鎸囧畾浜ゅ弶姣斾緥锛岃繖閲岃涓� 0.5锛岃〃绀哄綋鐩爣鍏冪礌涓�鍗婃垨鏇村鏄剧ず鍦ㄨ绐椾腑鏃惰Е鍙戝洖璋冨嚱鏁般��
+    });
+
+    // 鍚姩椤电爜瑙傚療
+    setTimeout(() => {
+      this.initObservation();
+    }, 500);
+
+    // 娴嬭瘯椤甸潰璺宠浆
+    // setTimeout(() => {
+    //   this.gotoPage(5, 100);
+    //   setTimeout(() => {
+    //     this.renderSign("Note", {
+    //       id: "2ACA9359",
+    //       txt: "钀ュ吇绱犲拰鐑噺锛屾墠鑳�",
+    //       page: "100",
+    //       type: "Highlight",
+    //       color: "#F5E12A"
+    //     });
+    //     setTimeout(() => {
+    //       this.delSign({
+    //         ids: ["2ACA9359"]
+    //       });
+    //     }, 2000);
+    //   }, 1000);
+    // }, 3000);
+  },
+  methods: {
+    // 婊氬姩鐩戝惉
+    scrollFun(event) {
+      // 鍒ゆ柇鍚戜笂婊氬姩杩樻槸鍚戜笅婊氬姩
+      if (event.target.scrollTop > this.previousScrollTop) {
+        // 鍚戜笅
+        const currentScrollTop =
+          event.target.scrollTop + event.target.offsetHeight;
+        if (
+          currentScrollTop >=
+          event.target.scrollHeight - this.loadThreshold
+        ) {
+          // 鍒拌揪闃堝��
+          if (
+            this.showCatalogList[this.showCatalogList.length - 1] <
+            this.catalogLength
+          ) {
+            // 鍔犺浇涓嬩竴绔�
+            this.showCatalogList.push(
+              this.showCatalogList[this.showCatalogList.length - 1] + 1
+            );
+            if (this.showCatalogList.length > 3) {
+              // 瓒呰繃涓夌珷闅愯棌椤堕儴涓�绔�
+              this.showCatalogList.shift();
+            }
+          }
+        }
+      } else if (event.target.scrollTop < this.previousScrollTop) {
+        // 鍚戜笂
+        const currentScrollTop = event.target.scrollTop;
+        if (currentScrollTop <= this.loadThreshold) {
+          // 鍒拌揪闃堝��
+          if (this.showCatalogList[0] > 0) {
+            // 鍔犺浇涓婁竴绔�
+            this.showCatalogList.unshift(this.showCatalogList[0] - 1);
+            if (this.showCatalogList.length > 3) {
+              // 瓒呰繃涓夌珷闅愯棌搴曢儴涓�绔�
+              this.showCatalogList.pop();
+            }
+          }
+        }
+      }
+      // showCatalogList 褰撳墠鏄剧ず鐨勪笁涓珷鑺傦紝watch鐩戝惉浼犻�掔粰涓诲簲鐢�
+      // 鏇存柊涓婁竴娆℃粴鍔ㄧ殑浣嶇疆
+      this.previousScrollTop = event.target.scrollTop;
+    },
+    // 绔犺妭銆侀〉闈㈣烦杞�
+    gotoPage(catalog, page) {
+      if (catalog >= 0 && catalog <= this.catalogLength) {
+        // 澶勭悊娓叉煋绔犺妭
+        if (catalog == 0) {
+          this.showCatalogList = [0, 1];
+        } else if (catalog == this.catalogLength) {
+          this.showCatalogList = [
+            this.catalogLength - 2,
+            this.catalogLength - 1,
+            this.catalogLength,
+          ];
+        } else {
+          this.showCatalogList = [catalog - 1, catalog, catalog + 1];
+        }
+        setTimeout(() => {
+          // 璺宠浆椤电爜
+          const pageDom = (
+            this.container ? this.container : document
+          ).querySelector(`[page="${page}"]`);
+          if (pageDom) {
+            pageDom.scrollIntoView();
+          } else {
+            console.log("椤电爜閿欒锛�");
+          }
+        }, 500);
+      } else {
+        console.log("绔犺妭閿欒锛�");
+      }
+    },
+    // 娓叉煋鏍囪
+    renderSign(type, data) {
+      const existence = (
+        this.container ? this.container : document
+      ).querySelector(`[dataid="${data.id}"]`);
+      // 鍘婚噸
+      if (!existence) {
+        const pageDom = (
+          this.container ? this.container : document
+        ).querySelector(`[page="${data.page}"]`);
+        let reg = new RegExp(`${data.txt}`, "ig");
+        switch (type) {
+          case "Highlight":
+            // 楂樹寒
+            pageDom.innerHTML = pageDom.innerHTML.replace(
+              reg,
+              `<span datatype="Highlight" dataid="${data.id}" style="background: ${data.color};" class="highLight" onclick="signClick('Highlight','${data.id}','${data.chapterNum}')">${data.txt}</span>`
+            );
+            break;
+          case "Dashing":
+            // 鍒掔嚎
+            pageDom.innerHTML = pageDom.innerHTML.replace(
+              reg,
+              `<span datatype="Dashing" dataid="${data.id}" style="text-decoration-color:${data.color};" class="underline" onclick="signClick('Dashing','${data.id}','${data.chapterNum}')">${data.txt}</span>`
+            );
+            break;
+          case "Note":
+            // 绗旇
+            pageDom.innerHTML = pageDom.innerHTML.replace(
+              reg,
+              `<span datatype="Note" dataid="${data.id}" style="border-bottom-color:${data.color}" class="notesline" onclick="signClick('Note','${data.id}','${data.chapterNum}')" onmouseover="noteHover('Note','${data.id}','${data.chapterNum}')">${data.txt}<img src="${NoteIcon}" style="cursor: pointer" /></span>`
+            );
+            break;
+        }
+      }
+    },
+    // 鍒犻櫎鏍囪娓叉煋
+    delSign({ ids, type }) {
+      if (ids && ids.length) {
+        for (let i = 0; i < ids.length; i++) {
+          const id = ids[i];
+          const dom = (
+            this.container ? this.container : document
+          ).querySelector(`[dataid="${id}"]`);
+          dom.parentNode.innerHTML = dom.parentNode.innerHTML.replace(
+            dom.outerHTML,
+            dom.outerText
+          );
+        }
+      }
+      if (type) {
+        const doms = (
+          this.container ? this.container : document
+        ).querySelectorAll(`[datatype="${type}"]`);
+        for (let i = 0; i < doms.length; i++) {
+          const dom = doms[i];
+          dom.parentNode.innerHTML = dom.parentNode.innerHTML.replace(
+            dom.outerHTML,
+            dom.outerText
+          );
+        }
+      }
+    },
+    initObservation() {
+      const sections = (
+        this.container ? this.container : document
+      ).querySelectorAll(".page-box");
+      //observer 瑙傚療姣忎釜鍏冪礌锛屼互渚垮湪瀹冧滑杩涘叆鎴栫寮�瑙嗙獥鏃惰Е鍙戝洖璋冨嚱鏁般��
+      sections.forEach((section) => {
+        const isObserver = section.getAttribute("observer");
+        if (!isObserver) {
+          this.observer.observe(section);
+          section.setAttribute("observer", "1");
+        }
+      });
+    },
+    pageChangeCallback(entries, observer) {
+      //entries锛氫唬琛ㄨ瀵熷埌鐨勭洰鏍囧厓绱犵殑闆嗗悎銆� observer锛氫唬琛ㄨ瀵熻�呭璞°��
+      entries.forEach((entry) => {
+        //entry.isIntersecting锛氭鏌ュ綋鍓嶇洰鏍囧厓绱犳槸鍚︿笌鏍瑰厓绱犵浉浜ゃ��
+        if (entry.isIntersecting) {
+          const target = entry.target;
+          //entry.target锛氳幏鍙栧綋鍓嶇洰鏍囧厓绱�
+          const page = target.getAttribute("page");
+          const catalogDom = this.tool.getParentNodeByClassName(
+            target,
+            "chapter"
+          );
+          const catalog = catalogDom.getAttribute("num");
+          console.log("page", page, catalog);
+          // 杩斿洖椤电爜鍜岀珷鑺備俊鎭�
+          if (this.$store.state.qiankun && this.$store.state.qiankun.pageChange)
+            this.$store.state.qiankun.pageChange({
+              page: page,
+              catalog: catalog,
+            });
+          // const sections = Array.from(document.querySelectorAll(".section"));
+          //sections锛氳幏鍙栨墍鏈夊叿鏈� .section 绫诲悕鐨勫厓绱狅紝骞惰浆鎹负鏁扮粍銆�
+          // let index = sections.findIndex((section) => section === target) + 1;
+          //index锛氭煡鎵惧綋鍓嶇洰鏍囧厓绱犲湪 sections 鏁扮粍涓殑绱㈠紩锛屽苟鍔� 1锛岀敤浜庣‘瀹氬綋鍓嶉〉鐮併��
+        }
+      });
+    },
+    // 鐐瑰嚮浜嬩欢锛氬皢鐢熷兓鍗曡瘝浼犵粰 涓诲簲鐢� 浠庤�岃皟鐢ㄨ瘝鍏稿姛鑳�
+    saveCharacters(event,word) {
+      console.log('鐢熷兓瀛�',event,word);
+      if (this.$store.state.qiankun && this.$store.state.qiankun.chooseWords) {
+          this.$store.state.qiankun.chooseWords({
+            word,
+            x: event.pageX,
+            y: event.pageY
+          });
+        }
+      // chooseWords
+    }
+  },
+};
 </script>
 
 <style lang="less" scoped>
-
-</style>
\ No newline at end of file
+.page-main {
+  width: 100%;
+  height: 100%;
+  overflow: auto;
+  .page-content {
+    max-width: 816px;
+    min-width: 375px;
+    margin: 0 auto;
+    padding-bottom: 100px;
+  }
+}
+</style>

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