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				@@ -2,6 +2,7 @@ import { defineComponent, onMounted, reactive, ref, watch } from 'vue'; 
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				 import styles from './index.module.less'; 
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				 import { 
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				   NButton, 
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				+  NTooltip, 
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				   NCarousel, 
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				   NIcon, 
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				   NImage, 
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				@@ -11,6 +12,8 @@ import { 
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				   NSelect, 
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				   NSpace, 
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				   NSpin, 
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				+  NTabPane, 
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				+  NTabs, 
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				   useMessage 
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				 } from 'naive-ui'; 
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				 import { usePrepareStore } from '/src/store/modules/prepareLessons'; 
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				@@ -34,6 +37,7 @@ import { useRoute, useRouter } from 'vue-router'; 
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				 import TheMessageDialog from '/src/components/TheMessageDialog'; 
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				 import { eventGlobal, fscreen } from '/src/utils'; 
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				 import PreviewWindow from '/src/views/preview-window'; 
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				+import Related from './related'; 
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				 export default defineComponent({ 
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				   name: 'courseware-presets', 
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				@@ -49,6 +53,8 @@ export default defineComponent({ 
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				     const forms = reactive({ 
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				       // 选取参数带的,后取缓存 
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				+      leftWidth: '100%', 
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				+      rightWidth: '0', 
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				       messageLoading: false, 
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				       subjectId: route.query.subjectId 
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				         ? Number(route.query.subjectId) 
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				@@ -63,6 +69,7 @@ export default defineComponent({ 
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				       openLoading: false, 
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				       showRelatedClass: false, 
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				       tableList: [] as any, 
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				+      openTableShow: true, // 是否显示 
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				       openTableList: [] as any, 
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				       selectItem: {} as any, 
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				       editTitleVisiable: false, 
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				@@ -149,20 +156,20 @@ export default defineComponent({ 
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				           }); 
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				         }); 
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				-        forms.openTableList = chunkArray(tempList, 4); 
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				+        forms.openTableList = tempList || []; 
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				       } catch { 
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				         // 
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				       } 
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				       forms.openLoading = false; 
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				     }; 
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				-    const chunkArray = (array: any, size: number) => { 
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				-      const result = []; 
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				-      for (let i = 0; i < array.length; i += size) { 
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				-        result.push(array.slice(i, i + size)); 
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				-      } 
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				-      return result; 
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				-    }; 
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				+    // const chunkArray = (array: any, size: number) => { 
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				+    //   const result = []; 
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				+    //   for (let i = 0; i < array.length; i += size) { 
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				+    //     result.push(array.slice(i, i + size)); 
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				+    //   } 
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				+    //   return result; 
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				+    // }; 
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				     // 监听选择的key 左侧选择了其它的课 
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				     watch( 
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				@@ -248,6 +255,23 @@ export default defineComponent({ 
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				     }; 
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				     onMounted(async () => { 
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				+      useResizeObserver( 
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				+        document.querySelector('#presetsLeftRef') as HTMLElement, 
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				+        (entries: any) => { 
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				+          const entry = entries[0]; 
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				+          const { width } = entry.contentRect; 
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				+          forms.leftWidth = width + 'px'; 
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				+        } 
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				+      ); 
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				+      useResizeObserver( 
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				+        document.querySelector('#presetsRightRef') as HTMLElement, 
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				+        (entries: any) => { 
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				+          const entry = entries[0]; 
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				+          const { width } = entry.contentRect; 
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				+          forms.rightWidth = width + 'px'; 
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				+        } 
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				+      ); 
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				+ 
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				       prepareStore.setClassGroupId(route.query.classGroupId as any); 
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				       if (!prepareStore.getSubjectId) { 
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				         // 获取教材分类列表 
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				@@ -407,16 +431,73 @@ export default defineComponent({ 
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				       } 
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				     }; 
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				     return () => ( 
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				-      <div class={styles.coursewarePresetsContainer}> 
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				-        <NScrollbar class={styles.coursewarePresets}> 
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				-          <div class={styles.title} id="coursewarePresets"> 
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				+      <div 
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				+        class={[ 
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				+          styles.coursewarePresetsContainer, 
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				+          forms.openTableShow && styles.rightLineShow 
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				+        ]}> 
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				+        <div 
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				+          class={styles.presetsLeft} 
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				+          id="presetsLeftRef" 
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				+          style={{ width: `calc(${forms.leftWidth} - ${forms.rightWidth})` }}> 
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				+          <NTabs 
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				+            // ref={lessonMainRef} 
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				+            defaultValue="subject" 
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				+            paneClass={styles.paneTitle} 
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				+            justifyContent="start" 
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				+            paneWrapperClass={styles.paneWrapperContainer} 
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				+            value={prepareStore.getSubjectId?.toString()} 
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				+            onUpdate:value={val => { 
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				+              prepareStore.setSubjectId(val); 
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				+              // 保存 
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				+              forms.subjectId = val; 
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				+ 
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				+              if (!val) { 
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				+                sessionStorage.setItem( 
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				+                  'prepareLessonCourseWareSubjectIsNull', 
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				+                  val ? 'false' : 'true' 
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				+                ); 
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				+              } 
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				+            }} 
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				+            v-slots={{ 
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				+              suffix: () => ( 
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				+                <NButton 
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				+                  class={styles.addBtn} 
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				+                  type="primary" 
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				+                  bordered={false} 
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				+                  onClick={() => { 
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				+                    eventGlobal.emit('teacher-slideshow', true); 
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				+                    emit('change', { 
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				+                      status: true, 
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				+                      type: 'create' 
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				+                    }); 
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				+                  }}> 
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				+                  <NImage 
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				+                    class={styles.addBtnIcon} 
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				+                    previewDisabled 
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				+                    src={add}></NImage> 
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				+                  创建课件 
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				+                </NButton> 
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				+              ) 
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				+            }}> 
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				+            {[{ name: '全部声部', id: '' }, ...prepareStore.getSubjectList].map( 
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				+              (item: any) => ( 
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				+                <NTabPane 
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				+                  name={`${item.id}`} 
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				+                  tab={item.name} 
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				+                  displayDirective="if"></NTabPane> 
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				+              ) 
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				+            )} 
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				+          </NTabs> 
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				+          <NScrollbar class={styles.coursewarePresets}> 
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				+            {/* <div class={styles.title} id="coursewarePresets"> 
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				             <div class={styles.titleLeft}> 
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				               <i class={[styles.icon, styles.iconWork]}></i> 
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				               我的课件 
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				             </div> 
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				-          </div> 
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				+          </div> */} 
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				-          <NSpace> 
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				+            {/* <NSpace> 
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				             <NSelect 
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				               placeholder="选择声部" 
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				               class={styles.btnSubjectList} 
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				@@ -435,72 +516,56 @@ export default defineComponent({ 
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				                 if (!val) { 
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				                   sessionStorage.setItem( 
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				                     'prepareLessonCourseWareSubjectIsNull', 
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				-                    val ? false : true 
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				+                    val ? 'false' : 'true' 
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				                   ); 
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				                 } 
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				               }} 
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				             /> 
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				-            <NButton 
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				-              class={styles.addBtn} 
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				-              type="primary" 
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				-              onClick={() => { 
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				-                eventGlobal.emit('teacher-slideshow', true); 
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				-                emit('change', { 
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				-                  status: true, 
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				-                  type: 'create' 
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				-                }); 
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				-              }}> 
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				-              <NImage 
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				-                class={styles.addBtnIcon} 
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				-                previewDisabled 
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				-                src={add}></NImage> 
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				-              创建课件 
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				-            </NButton> 
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				-          </NSpace> 
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				-          <div style={{ overflow: 'hidden' }}> 
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				-            <NSpin show={forms.loading}> 
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				-              <div class={styles.list}> 
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				-                {forms.tableList.map((item: any) => ( 
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				-                  <div class={[styles.itemWrap, styles.itemBlock, 'row-nav']}> 
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				-                    <div class={styles.itemWrapBox}> 
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				-                      <CoursewareType 
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				-                        operate 
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				-                        isEditName 
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				-                        item={item} 
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				-                        onClick={() => onPreviewAttend(item.id)} 
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				-                        onEditName={() => { 
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				-                          forms.selectItem = item; 
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				-                          forms.editTitle = item.name; 
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				-                          forms.editTitleVisiable = true; 
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				-                        }} 
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				-                        onEdit={() => { 
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				-                          // 
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				-                          eventGlobal.emit('teacher-slideshow', true); 
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				-                          emit('change', { 
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				-                            status: true, 
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				-                            type: 'update', 
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				-                            groupItem: { id: item.id } 
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				-                          }); 
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				-                        }} 
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				-                        onStartClass={() => 
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				-                          onStartClass(item, forms.classGroupId) 
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				-                        } 
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				-                        onDelete={() => { 
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				-                          forms.selectItem = item; 
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				-                          forms.preRemoveVisiable = true; 
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				-                        }} 
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				-                      /> 
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				+          </NSpace> */} 
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				+            <div style={{ overflow: 'hidden' }}> 
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				+              <NSpin show={forms.loading}> 
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				+                <div class={styles.list}> 
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				+                  {forms.tableList.map((item: any) => ( 
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				+                    <div class={[styles.itemWrap, styles.itemBlock, 'row-nav']}> 
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				+                      <div class={styles.itemWrapBox}> 
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				+                        <CoursewareType 
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				+                          operate 
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				+                          isEditName 
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				+                          item={item} 
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				+                          onClick={() => onPreviewAttend(item.id)} 
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				+                          onEditName={() => { 
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				+                            forms.selectItem = item; 
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				+                            forms.editTitle = item.name; 
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				+                            forms.editTitleVisiable = true; 
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				+                          }} 
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				+                          onEdit={() => { 
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				+                            // 
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				+                            eventGlobal.emit('teacher-slideshow', true); 
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				+                            emit('change', { 
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				+                              status: true, 
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				+                              type: 'update', 
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				+                              groupItem: { id: item.id } 
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				+                            }); 
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				+                          }} 
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				 | 
			
			
				+                          onStartClass={() => 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                            onStartClass(item, forms.classGroupId) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                          } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                          onDelete={() => { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                            forms.selectItem = item; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                            forms.preRemoveVisiable = true; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                          }} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                        /> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                      </div> 
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				 | 
				 | 
			
			
				                     </div> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                  </div> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                ))} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                {!forms.loading && forms.tableList.length <= 0 && ( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                  <TheEmpty class={styles.empty1} description="暂无课件" /> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                )} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-              </div> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-            </NSpin> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-          </div> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                  ))} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                  {!forms.loading && forms.tableList.length <= 0 && ( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    <TheEmpty class={styles.empty1} description="暂无课件" /> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                  )} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                </div> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+              </NSpin> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            </div> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				  
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-          {forms.openTableList.length > 0 && ( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            {/* {forms.openTableList.length > 0 && ( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             <> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				               <div class={[styles.title, styles.line]}> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                 <div class={styles.titleLeft}> 
			 | 
		
	
	
		
			
				| 
					
				 | 
			
			
				@@ -511,15 +576,6 @@ export default defineComponent({ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                       class={styles.more} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                       onClick={() => (forms.showRelatedClass = true)}> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                       查看更多 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                      {/* <NIcon size={15}> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                        <svg 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                          xmlns="http://www.w3.org/2000/svg" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                          viewBox="0 0 24 24"> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                          <path 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                            d="M8.59 16.59L13.17 12L8.59 7.41L10 6l6 6l-6 6l-1.41-1.41z" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                            fill="currentColor"></path> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                        </svg> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-                      </NIcon> */} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                       <i class={styles.iconP}></i> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                     </span> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                   )} 
			 | 
		
	
	
		
			
				| 
					
				 | 
			
			
				@@ -584,8 +640,31 @@ export default defineComponent({ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                 </NCarousel> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				               </NSpin> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             </> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-          )} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-        </NScrollbar> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          )} */} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          </NScrollbar> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        </div> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        {/* {forms.openTableList.length > 0 && ( */} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        <div class={styles.presetsRight} id="presetsRightRef"> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          <NTooltip showArrow={false}> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            {{ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+              trigger: () => ( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                <i 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                  class={[ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    styles.presetsArrar, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    !forms.openTableShow && styles.presetsArrarActive 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                  ]} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                  onClick={() => 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                    (forms.openTableShow = !forms.openTableShow) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+                  }></i> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+              ), 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+              default: () => <div>{forms.openTableShow ? '收起' : '展开'}</div> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            }} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          </NTooltip> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          <Related /> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        </div> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        {/* )} */} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				  
			 | 
		
	
		
			
				 | 
				 | 
			
			
				         <NModal 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				           v-model:show={forms.showRelatedClass} 
			 |