<script lang="ts" setup>
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import type { Ref } from 'vue';
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import type { BpmModelApi } from '#/api/bpm/model';
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import { inject, nextTick, onBeforeUnmount, provide, ref, shallowRef, watch } from 'vue';
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import { ContentWrap } from '@vben/common-ui';
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import { BpmModelFormType } from '@vben/constants';
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import { message } from 'ant-design-vue';
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import { getForm } from '#/api/bpm/form';
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import {
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MyProcessDesigner,
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MyProcessPenal,
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} from '#/views/bpm/components/bpmn-process-designer/package';
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// 自定义元素选中时的弹出菜单（修改 默认任务 为 用户任务）
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import CustomContentPadProvider from '#/views/bpm/components/bpmn-process-designer/package/designer/plugins/content-pad';
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// 自定义左侧菜单（修改 默认任务 为 用户任务）
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import CustomPaletteProvider from '#/views/bpm/components/bpmn-process-designer/package/designer/plugins/palette';
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defineOptions({ name: 'BpmModelEditor' });
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const props = defineProps<{
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active: boolean;
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modelId?: string;
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modelKey: string;
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modelName: string;
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value?: string;
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}>();
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const emit = defineEmits(['success', 'init-finished']);
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const formFields = ref<string[]>([]); // 表单信息
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const formType = ref(BpmModelFormType.NORMAL); // 表单类型
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provide('formFields', formFields);
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provide('formType', formType);
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const xmlString = inject('processData') as Ref; // 注入流程数据
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const modelData = inject('modelData') as Ref; // 注入模型数据
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const modeler = shallowRef(); // BPMN Modeler
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let fitted = false;
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watch(() => [props.active, modeler.value] as const, async ([active, instance]) => {
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if (!active || !instance) return;
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await nextTick();
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const canvas = instance.get('canvas');
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canvas.resized();
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if (!fitted) {
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canvas.zoom('fit-viewport', 'auto');
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fitted = true;
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}
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});
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const controlForm = ref({
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simulation: true,
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labelEditing: false,
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labelVisible: false,
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prefix: 'flowable',
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headerButtonSize: 'mini',
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additionalModel: [CustomContentPadProvider, CustomPaletteProvider],
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});
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const model = ref<BpmModelApi.Model>(); // 流程模型的信息
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/** 初始化 modeler */
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const initModeler = async (item: any) => {
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model.value = modelData.value;
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modeler.value = item;
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};
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/** 添加/修改模型 */
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const save = async (bpmnXml: string) => {
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try {
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xmlString.value = bpmnXml;
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emit('success', bpmnXml);
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} catch (error) {
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console.error('保存失败:', error);
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message.error('保存失败');
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}
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};
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/** 监听表单 ID 变化，加载表单数据 */
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watch(
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() => modelData.value.formId,
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async (newFormId) => {
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if (newFormId && modelData.value.formType === BpmModelFormType.NORMAL) {
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const data = await getForm(newFormId);
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formFields.value = data.fields;
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} else {
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formFields.value = [];
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}
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},
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{ immediate: true },
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);
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/** 在组件卸载时清理 */
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onBeforeUnmount(() => {
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modeler.value = null;
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// 清理全局实例
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const w = window as any;
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if (w.bpmnInstances) {
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w.bpmnInstances = null;
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}
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});
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</script>
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<template>
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<ContentWrap>
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<!-- 流程设计器，负责绘制流程等 -->
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<MyProcessDesigner
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key="designer"
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v-model="xmlString"
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:value="xmlString"
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v-bind="controlForm"
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keyboard
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@init-finished="initModeler"
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:additional-model="controlForm.additionalModel"
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:model="model"
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@save="save"
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:process-id="modelKey"
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:process-name="modelName"
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/>
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<!-- 流程属性器，负责编辑每个流程节点的属性 -->
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<MyProcessPenal
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v-if="modeler"
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key="penal"
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:bpmn-modeler="modeler"
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:prefix="controlForm.prefix"
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class="process-panel"
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:model="model"
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/>
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</ContentWrap>
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</template>
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<style scoped>
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:deep(.process-panel__container) {
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@apply absolute right-[20px] top-[70px];
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}
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</style>
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