API setauto rowheight

.gitignore

@@ -3,3 +3,5 @@ node_modules
 package-lock.json
 dist
 docs/.vuepress/dist
+
+.idea

src/global/api.js

@@ -1332,7 +1332,7 @@ export function showColumn(startIndex, endIndex, options = {}) {
 
 
 /**
- * 设置指定行的高度
+ * 设置指定行的高度。优先级最高，高于默认行高和用户自定义行高。
  * @param {Object} rowInfo 行数和高度对应关系
  * @param {Object} options 可选参数
  * @param {Number} options.order 工作表索引；默认值为当前工作表索引
@@ -1363,11 +1363,15 @@ export function setRowHeight(rowInfo, options = {}) {
         if(parseInt(r) >= 0){
             let len = rowInfo[r];
 
+            if (len === 'auto') {
+                cfg['rowlen'][parseInt(r)] = len
+            } else {
                 if(Number(len) >= 0){
                     cfg['rowlen'][parseInt(r)] = Number(len);
                 }
             }
         }
+    }
 
     file.config = cfg;
 

src/global/getRowlen.js

@@ -6,7 +6,15 @@ import { hasChinaword, isRealNull,checkWordByteLength } from './validate';
 import { isInlineStringCell } from '../controllers/inlineString';
 import Store from '../store';
 
-//计算范围行高
+/**
+ * 计算范围行高
+ *
+ * @param d 原始数据
+ * @param r1 起始行
+ * @param r2 截至行
+ * @param cfg 配置
+ * @returns 计算后的配置
+ */
 function rowlenByRange(d, r1, r2, cfg) {
     let cfg_clone = $.extend(true, {}, cfg);
     if(cfg_clone["rowlen"] == null){
@@ -72,6 +80,46 @@ function rowlenByRange(d, r1, r2, cfg) {
     return cfg_clone;
 }
 
+//根据内容计算行高
+function computeRowlenByContent(d, r) {
+    let currentRowLen = 0;
+
+    let canvas = $("#luckysheetTableContent").get(0).getContext("2d");
+    canvas.textBaseline = 'top'; //textBaseline以top计算
+
+    for(let c = 0; c < d[r].length; c++){
+        let cell = d[r][c];
+
+        if(cell == null || cell.mc != null){
+            continue;
+        }
+
+        if(cell != null && (cell.v != null || isInlineStringCell(cell)) ){
+            let cellWidth = colLocationByIndex(c)[1] - colLocationByIndex(c)[0] - 2;
+
+            let textInfo = getCellTextInfo(cell, canvas,{
+                r:r,
+                c:c,
+                cellWidth:cellWidth
+            });
+
+            let computeRowlen = 0;
+
+            if(textInfo!=null){
+                computeRowlen = textInfo.textHeightAll+2;
+            }
+
+            //比较计算高度和当前高度取最大高度
+            if(computeRowlen > currentRowLen){
+                currentRowLen = computeRowlen;
+            }
+        }
+    }
+
+    return currentRowLen;
+}
+
+
 //计算表格行高数组
 function computeRowlenArr(rowHeight, cfg) {
     let rowlenArr = [];
@@ -1614,6 +1662,7 @@ function drawLineInfo(wordGroup, cancelLine,underLine,option){
 
 export {
     rowlenByRange,
+    computeRowlenByContent,
     computeRowlenArr,
     getCellTextSplitArr,
     getMeasureText,

src/global/rhchInit.js

@@ -1,4 +1,5 @@
 import Store from '../store';
+import { computeRowlenByContent } from './getRowlen';
 import luckysheetConfigsetting from '../controllers/luckysheetConfigsetting';
 
 export default function rhchInit(rowheight, colwidth) {
@@ -20,6 +21,10 @@ export default function rhchInit(rowheight, colwidth) {
                 continue;
             }
 
+            // 自动行高计算
+            if (rowlen === 'auto') {
+                rowlen = computeRowlenByContent(Store.flowdata, r);
+            }
             Store.rh_height += Math.round((rowlen + 1) * Store.zoomRatio);
 
             Store.visibledatarow.push(Store.rh_height); //行的临时长度分布