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video-gen-admin/node_modules/@rc-component/table/lib/utils/fixUtil.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getCellFixedInfo = getCellFixedInfo;
+function isFixedStart(column) {
+  return column.fixed === 'start';
+}
+function isFixedEnd(column) {
+  return column.fixed === 'end';
+}
+function getCellFixedInfo(colStart, colEnd, columns, stickyOffsets) {
+  const startColumn = columns[colStart] || {};
+  const endColumn = columns[colEnd] || {};
+  let fixStart = null;
+  let fixEnd = null;
+  if (isFixedStart(startColumn) && isFixedStart(endColumn)) {
+    fixStart = stickyOffsets.start[colStart];
+  } else if (isFixedEnd(endColumn) && isFixedEnd(startColumn)) {
+    fixEnd = stickyOffsets.end[colEnd];
+  }
+
+  // check if need to add shadow
+  let fixedStartShadow = false;
+  let fixedEndShadow = false;
+
+  // Calc `zIndex`.
+  // first fixed start (start -> end) column `zIndex` should be greater than next column.
+  // first fixed end (end -> start) column `zIndex` should be greater than next column.
+  let zIndex = 0;
+  let zIndexReverse = 0;
+  if (fixStart !== null) {
+    fixedStartShadow = !columns[colEnd + 1] || !isFixedStart(columns[colEnd + 1]);
+    zIndex = columns.length * 2 - colStart; // Fix start always overlay fix end
+    zIndexReverse = columns.length + colStart;
+  }
+  if (fixEnd !== null) {
+    fixedEndShadow = !columns[colStart - 1] || !isFixedEnd(columns[colStart - 1]);
+    zIndex = colEnd;
+    zIndexReverse = columns.length - colEnd; // Fix end always overlay fix start
+  }
+
+  // Check if scrollLeft will show the shadow
+  let offsetFixedStartShadow = 0;
+  let offsetFixedEndShadow = 0;
+  if (fixedStartShadow) {
+    for (let i = 0; i < colStart; i += 1) {
+      if (!isFixedStart(columns[i])) {
+        offsetFixedStartShadow += stickyOffsets.widths[i] || 0;
+      }
+    }
+  }
+  if (fixedEndShadow) {
+    for (let i = columns.length - 1; i > colEnd; i -= 1) {
+      if (!isFixedEnd(columns[i])) {
+        offsetFixedEndShadow += stickyOffsets.widths[i] || 0;
+      }
+    }
+  }
+  return {
+    fixStart,
+    fixEnd,
+    fixedStartShadow,
+    fixedEndShadow,
+    offsetFixedStartShadow,
+    offsetFixedEndShadow,
+    isSticky: stickyOffsets.isSticky,
+    zIndex,
+    zIndexReverse
+  };
+}