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Stage.vue
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Stage.vue
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<template>
<ScrollViewer
class="m-editor-stage"
ref="stageWrap"
:width="stageRect?.width"
:height="stageRect?.height"
:wrap-width="stageContainerRect?.width"
:wrap-height="stageContainerRect?.height"
:zoom="zoom"
:correction-scroll-size="{
width: 60,
height: 50,
}"
>
<div
class="m-editor-stage-container"
ref="stageContainer"
:style="`transform: scale(${zoom});`"
@contextmenu="contextmenuHandler"
@drop="dropHandler"
@dragover="dragoverHandler"
></div>
<Teleport to="body">
<ViewerMenu ref="menu" :is-multi-select="isMultiSelect" :stage-content-menu="stageContentMenu"></ViewerMenu>
</Teleport>
</ScrollViewer>
</template>
<script lang="ts" setup name="MEditorStage">
import { computed, inject, markRaw, onMounted, onUnmounted, ref, toRaw, watch, watchEffect } from 'vue';
import { cloneDeep } from 'lodash-es';
import type { MApp, MContainer, MNode, MPage } from '@tmagic/schema';
import StageCore, { calcValueByFontsize, getOffset, Runtime } from '@tmagic/stage';
import ScrollViewer from '../../components/ScrollViewer.vue';
import { Layout, MenuButton, MenuComponent, Services, StageOptions, StageRect } from '../../type';
import { useStage } from '../../utils/stage';
import ViewerMenu from './ViewerMenu.vue';
defineProps<{
stageContentMenu: (MenuButton | MenuComponent)[];
}>();
let stage: StageCore | null = null;
let runtime: Runtime | null = null;
const services = inject<Services>('services');
const stageOptions = inject<StageOptions>('stageOptions');
const stageWrap = ref<InstanceType<typeof ScrollViewer>>();
const stageContainer = ref<HTMLDivElement>();
const menu = ref<InstanceType<typeof ViewerMenu>>();
const isMultiSelect = computed(() => services?.editorService.get('nodes')?.length > 1);
const stageRect = computed(() => services?.uiService.get<StageRect>('stageRect'));
const stageContainerRect = computed(() => services?.uiService.get<StageRect>('stageContainerRect'));
const root = computed(() => services?.editorService.get<MApp>('root'));
const page = computed(() => services?.editorService.get<MPage>('page'));
const zoom = computed(() => services?.uiService.get<number>('zoom') || 1);
const node = computed(() => services?.editorService.get<MNode>('node'));
watchEffect(() => {
if (stage) return;
if (!stageContainer.value) return;
if (!(stageOptions?.runtimeUrl || stageOptions?.render) || !root.value) return;
stage = useStage(stageOptions);
services?.editorService.set('stage', markRaw(stage));
stage?.mount(stageContainer.value);
if (!node.value?.id) return;
stage?.on('runtime-ready', (rt) => {
runtime = rt;
// toRaw返回的值是一个引用而非快照,需要cloneDeep
root.value && runtime?.updateRootConfig?.(cloneDeep(toRaw(root.value)));
page.value?.id && runtime?.updatePageId?.(page.value.id);
setTimeout(() => {
node.value && stage?.select(toRaw(node.value.id));
});
});
});
watch(zoom, (zoom) => {
if (!stage || !zoom) return;
stage.setZoom(zoom);
});
watch(root, (root) => {
if (runtime && root) {
runtime.updateRootConfig?.(cloneDeep(toRaw(root)));
}
});
const resizeObserver = new ResizeObserver((entries) => {
for (const { contentRect } of entries) {
services?.uiService.set('stageContainerRect', {
width: contentRect.width,
height: contentRect.height,
});
}
});
onMounted(() => {
stageWrap.value?.container && resizeObserver.observe(stageWrap.value.container);
});
onUnmounted(() => {
stage?.destroy();
resizeObserver.disconnect();
services?.editorService.set('stage', null);
});
const contextmenuHandler = (e: MouseEvent) => {
e.preventDefault();
menu.value?.show(e);
};
const dragoverHandler = (e: DragEvent) => {
e.preventDefault();
if (e.dataTransfer) {
e.dataTransfer.dropEffect = 'move';
}
};
const dropHandler = async (e: DragEvent) => {
e.preventDefault();
const doc = stage?.renderer.contentWindow?.document;
const parentEl: HTMLElement | null | undefined = doc?.querySelector(`.${stageOptions?.containerHighlightClassName}`);
let parent: MContainer | undefined = page.value;
if (parentEl) {
parent = services?.editorService.getNodeById(parentEl.id, false) as MContainer;
}
if (e.dataTransfer && parent && stageContainer.value && stage) {
// eslint-disable-next-line no-eval
const config = eval(`(${e.dataTransfer.getData('data')})`);
const layout = await services?.editorService.getLayout(parent);
const containerRect = stageContainer.value.getBoundingClientRect();
const { scrollTop, scrollLeft } = stage.mask;
const { style = {} } = config;
let top = 0;
let left = 0;
let position = 'relative';
if (layout === Layout.ABSOLUTE) {
position = 'absolute';
top = e.clientY - containerRect.top + scrollTop;
left = e.clientX - containerRect.left + scrollLeft;
if (parentEl && doc) {
const { left: parentLeft, top: parentTop } = getOffset(parentEl);
left = left - calcValueByFontsize(doc, parentLeft);
top = top - calcValueByFontsize(doc, parentTop);
}
}
config.style = {
...style,
position,
top: top / zoom.value,
left: left / zoom.value,
};
config.inputEvent = e;
services?.editorService.add(config, parent);
}
};
</script>