物业代码生成

packages/@core/composables/src/use-layout-style.ts

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+import type { VisibleDomRect } from '@vben-core/shared/utils';
+import type { CSSProperties } from 'vue';
+
+import {
+  CSS_VARIABLE_LAYOUT_CONTENT_HEIGHT,
+  CSS_VARIABLE_LAYOUT_CONTENT_WIDTH,
+  CSS_VARIABLE_LAYOUT_FOOTER_HEIGHT,
+  CSS_VARIABLE_LAYOUT_HEADER_HEIGHT,
+} from '@vben-core/shared/constants';
+import { getElementVisibleRect } from '@vben-core/shared/utils';
+import { useCssVar, useDebounceFn } from '@vueuse/core';
+import { computed, onMounted, onUnmounted, ref } from 'vue';
+
+/**
+ * @zh_CN content style
+ */
+export function useLayoutContentStyle() {
+  let resizeObserver: null | ResizeObserver = null;
+  const contentElement = ref<HTMLDivElement | null>(null);
+  const visibleDomRect = ref<null | VisibleDomRect>(null);
+  const contentHeight = useCssVar(CSS_VARIABLE_LAYOUT_CONTENT_HEIGHT);
+  const contentWidth = useCssVar(CSS_VARIABLE_LAYOUT_CONTENT_WIDTH);
+
+  const overlayStyle = computed((): CSSProperties => {
+    const { height, left, top, width } = visibleDomRect.value ?? {};
+    return {
+      height: `${height}px`,
+      left: `${left}px`,
+      position: 'fixed',
+      top: `${top}px`,
+      width: `${width}px`,
+      zIndex: 150,
+    };
+  });
+
+  const debouncedCalcHeight = useDebounceFn(
+    (_entries: ResizeObserverEntry[]) => {
+      visibleDomRect.value = getElementVisibleRect(contentElement.value);
+      contentHeight.value = `${visibleDomRect.value.height}px`;
+      contentWidth.value = `${visibleDomRect.value.width}px`;
+    },
+    16,
+  );
+
+  onMounted(() => {
+    if (contentElement.value && !resizeObserver) {
+      resizeObserver = new ResizeObserver(debouncedCalcHeight);
+      resizeObserver.observe(contentElement.value);
+    }
+  });
+
+  onUnmounted(() => {
+    resizeObserver?.disconnect();
+    resizeObserver = null;
+  });
+
+  return { contentElement, overlayStyle, visibleDomRect };
+}
+
+export function useLayoutHeaderStyle() {
+  const headerHeight = useCssVar(CSS_VARIABLE_LAYOUT_HEADER_HEIGHT);
+
+  return {
+    getLayoutHeaderHeight: () => {
+      return Number.parseInt(`${headerHeight.value}`, 10);
+    },
+    setLayoutHeaderHeight: (height: number) => {
+      headerHeight.value = `${height}px`;
+    },
+  };
+}
+
+export function useLayoutFooterStyle() {
+  const footerHeight = useCssVar(CSS_VARIABLE_LAYOUT_FOOTER_HEIGHT);
+
+  return {
+    getLayoutFooterHeight: () => {
+      return Number.parseInt(`${footerHeight.value}`, 10);
+    },
+    setLayoutFooterHeight: (height: number) => {
+      footerHeight.value = `${height}px`;
+    },
+  };
+}