feat: copy table structure and data #516

src/editor/core/event/handlers/copy.ts

@@ -1,4 +1,8 @@
+import { ElementType } from '../../../dataset/enum/Element'
+import { IElement } from '../../../interface/Element'
+import { ITr } from '../../../interface/table/Tr'
 import { writeElementList } from '../../../utils/clipboard'
+import { zipElementList } from '../../../utils/element'
 import { CanvasEvent } from '../CanvasEvent'
 
 export function copy(host: CanvasEvent) {
@@ -11,9 +15,48 @@ export function copy(host: CanvasEvent) {
   }
   const rangeManager = draw.getRange()
   // 光标闭合时复制整行
-  const copyElementList = rangeManager.getIsCollapsed()
-    ? rangeManager.getRangeRowElementList()
-    : rangeManager.getSelectionElementList()
+  let copyElementList: IElement[] | null = null
+  const range = rangeManager.getRange()
+  if (range.isCrossRowCol) {
+    // 原始表格信息
+    const tableElement = rangeManager.getRangeTableElement()
+    if (!tableElement) return
+    // 选区行列信息
+    const rowCol = draw.getTableParticle().getRangeRowCol()
+    if (!rowCol) return
+    // 构造表格
+    const copyTableElement: IElement = {
+      type: ElementType.TABLE,
+      value: '',
+      colgroup: [],
+      trList: []
+    }
+    const firstRow = rowCol[0]
+    const colStartIndex = firstRow[0].colIndex!
+    const lastCol = firstRow[firstRow.length - 1]
+    const colEndIndex = lastCol.colIndex! + lastCol.colspan - 1
+    for (let c = colStartIndex; c <= colEndIndex; c++) {
+      copyTableElement.colgroup!.push(tableElement.colgroup![c])
+    }
+    for (let r = 0; r < rowCol.length; r++) {
+      const row = rowCol[r]
+      const tr = tableElement.trList![row[0].rowIndex!]
+      const coptTr: ITr = {
+        tdList: [],
+        height: tr.height,
+        minHeight: tr.minHeight
+      }
+      for (let c = 0; c < row.length; c++) {
+        coptTr.tdList.push(row[c])
+      }
+      copyTableElement.trList!.push(coptTr)
+    }
+    copyElementList = zipElementList([copyTableElement])
+  } else {
+    copyElementList = rangeManager.getIsCollapsed()
+      ? rangeManager.getRangeRowElementList()
+      : rangeManager.getSelectionElementList()
+  }
   if (!copyElementList?.length) return
   writeElementList(copyElementList, draw.getOptions())
 }

src/editor/core/range/RangeManager.ts

@@ -249,6 +249,14 @@ export class RangeManager {
     return this.getRangeParagraphInfo()?.elementList || null
   }
 
+  // 获取选区表格
+  public getRangeTableElement(): IElement | null {
+    const positionContext = this.position.getPositionContext()
+    if (!positionContext.isTable) return null
+    const originalElementList = this.draw.getOriginalElementList()
+    return originalElementList[positionContext.index!]
+  }
+
   public getIsSelectAll() {
     const elementList = this.draw.getElementList()
     const { startIndex, endIndex } = this.range