<template>
  <div class="bpmn-main">
    <my-process-palette />
    <my-process-designer
      :key="`designer-${reloadIndex}`"
      :options="{
        taskResizingEnabled: true,
        eventResizingEnabled: true,
        minimap: {
          open: true
        }
      }"
      v-model="xmlString"
      v-bind="controlForm"
      keyboard
      ref="processDesigner"
      @element-click="elementClick"
      @element-contextmenu="elementContextmenu"
      @init-finished="initModeler"
    />
    <my-properties-panel
      :key="`penal-${reloadIndex}`"
      :bpmn-modeler="modeler"
      :prefix="controlForm.prefix"
      class="process-panel"
    />
  </div>

  <!-- demo config -->
  <!-- <div class="demo-control-bar">
    <div class="open-model-button" @click="controlDrawerVisible = true"
      ><el-icon><setting /></el-icon
    ></div>
  </div> -->
  <el-drawer
    v-model="controlDrawerVisible"
    size="400px"
    title="偏好设置"
    append-to-body
    destroy-on-close
  >
    <el-form
      :model="controlForm"
      size="small"
      label-width="100px"
      class="control-form"
      @submit.prevent
    >
      <el-form-item label="流程ID">
        <el-input v-model="controlForm.processId" @change="reloadProcessDesigner(true)" />
      </el-form-item>
      <el-form-item label="流程名称">
        <el-input v-model="controlForm.processName" @change="reloadProcessDesigner(true)" />
      </el-form-item>
      <el-form-item label="流转模拟">
        <el-switch
          v-model="controlForm.simulation"
          inactive-text="停用"
          active-text="启用"
          @change="reloadProcessDesigner()"
        />
      </el-form-item>
      <el-form-item label="禁用双击">
        <el-switch
          v-model="controlForm.labelEditing"
          inactive-text="停用"
          active-text="启用"
          @change="changeLabelEditingStatus"
        />
      </el-form-item>
      <el-form-item label="自定义渲染">
        <el-switch
          v-model="controlForm.labelVisible"
          inactive-text="停用"
          active-text="启用"
          @change="changeLabelVisibleStatus"
        />
      </el-form-item>
      <el-form-item label="流程引擎">
        <el-radio-group v-model="controlForm.prefix" @change="reloadProcessDesigner()">
          <el-radio label="camunda">camunda</el-radio>
          <el-radio label="flowable">flowable</el-radio>
          <el-radio label="activiti">activiti</el-radio>
        </el-radio-group>
      </el-form-item>
      <el-form-item label="工具栏">
        <el-radio-group v-model="controlForm.headerButtonSize">
          <el-radio label="small">small</el-radio>
          <el-radio label="default">default</el-radio>
          <el-radio label="large">large</el-radio>
        </el-radio-group>
      </el-form-item>
      <el-switch
        v-model="pageMode"
        active-text="dark"
        inactive-text="light"
        @change="changePageMode"
      />
    </el-form>
  </el-drawer>

  <!-- <div class="demo-info-bar">
      <div class="open-model-button" @click="infoTipVisible = !infoTipVisible"><el-icon><InfoFilled /></el-icon></div>
      <transition name="zoom-in-right">
        <div class="info-tip" v-show="infoTipVisible">
          <p><strong>该项目仅作为Bpmn.js的简单演示项目，不涉及过多的自定义Render内容。</strong></p>
          <p>注：activiti 好像不支持表单配置，控制台可能会报错</p>
          <p>
            <span>更多配置请查看源码：</span>
            <a href="https://github.com/miyuesc/bpmn-process-designer">MiyueSC/bpmn-process-designer</a>
          </p>
          <p>
            <span>bpmn 官方图标：</span>
            <a href="https://cdn.staticaly.com/gh/bpmn-io/bpmn-font/master/dist/demo.html">bpmn-io/bpmn-font</a>
          </p>
          <p>
            <span>疑问请在此留言：</span>
            <a href="https://github.com/miyuesc/bpmn-process-designer/issues/16">MiyueSC/bpmn-process-designer/issues</a>
          </p>
        </div>
      </transition>
    </div> -->
</template>

<script>
import translations from './translations'
// 自定义渲染（隐藏了 label 标签）
import CustomRenderer from './modules/custom-renderer'
// 自定义元素选中时的弹出菜单（修改 默认任务 为 用户任务）
import CustomContentPadProvider from './package/designer/plugins/content-pad'
// 自定义左侧菜单（修改 默认任务 为 用户任务）
import CustomPaletteProvider from './package/designer/plugins/palette'
import Log from './package/Log'
// 任务resize
// import resizeTask from "bpmn-js-task-resize/lib";
// 小地图
import minimapModule from 'diagram-js-minimap'

import 'bpmn-js/dist/assets/diagram-js.css'
import 'bpmn-js/dist/assets/bpmn-font/css/bpmn.css'
import 'bpmn-js/dist/assets/bpmn-font/css/bpmn-codes.css'

import MyProcessDesigner from './package/designer'
import MyProcessPalette from './package/palette'
import MyPropertiesPanel from './package/penal'

import {
  // ElIcon,
  ElDrawer,
  ElForm,
  ElFormItem,
  ElInput,
  ElSwitch,
  ElRadioGroup,
  ElRadio
} from 'element-plus'

export default {
  name: 'App',
  components: {
    // ElIcon,
    ElDrawer,
    ElForm,
    ElFormItem,
    ElInput,
    ElSwitch,
    ElRadioGroup,
    ElRadio,
    MyPropertiesPanel,
    MyProcessDesigner,
    MyProcessPalette
  },
  props: {
    xml: {
      type: String,
      default: ''
    }
  },
  data() {
    return {
      xmlString: '',
      modeler: null,
      reloadIndex: 0,
      controlDrawerVisible: false,
      infoTipVisible: false,
      pageMode: false,
      translationsSelf: translations,
      controlForm: {
        processId: '',
        processName: '',
        simulation: true,
        labelEditing: false,
        labelVisible: false,
        prefix: 'camunda',
        headerButtonSize: 'default',
        events: ['element.click', 'element.contextmenu'],
        // additionalModel: []
        additionalModel: [CustomContentPadProvider, CustomPaletteProvider, minimapModule]
      },
      addis: {
        CustomContentPadProvider,
        CustomPaletteProvider
      }
    }
  },
  // 编辑 自动填充
  watch: {
    xml: {
      handler(val) {
        this.$nextTick(() => {
          this.$refs.processDesigner && this.$refs.processDesigner.createNewDiagram(val)
        })
      },
      immediate: true
    }
  },
  methods: {
    initModeler(modeler) {
      setTimeout(() => {
        this.modeler = modeler
        const canvas = modeler.get('canvas')
        const rootElement = canvas.getRootElement()
        Log.prettyPrimary('Process Id:', rootElement.id)
        Log.prettyPrimary('Process Name:', rootElement.businessObject.name)
      }, 10)
    },
    reloadProcessDesigner(notDeep) {
      this.controlForm.additionalModel = []
      for (const key in this.addis) {
        if (this.addis[key]) {
          this.controlForm.additionalModel.push(this.addis[key])
        }
      }
      !notDeep && (this.xmlString = undefined)
      this.reloadIndex += 1
      this.modeler = null // 避免 panel 异常
    },
    changeLabelEditingStatus(status) {
      this.addis.labelEditing = status ? { labelEditingProvider: ['value', ''] } : false
      this.reloadProcessDesigner()
    },
    changeLabelVisibleStatus(status) {
      this.addis.customRenderer = status ? CustomRenderer : false
      this.reloadProcessDesigner()
    },
    elementClick(element) {
      console.log(element)
      this.element = element
    },
    elementContextmenu(element) {
      console.log('elementContextmenu:', element)
    },
    changePageMode(mode) {
      const theme = mode
        ? {
            // dark
            stroke: '#ffffff',
            fill: '#333333'
          }
        : {
            // light
            stroke: '#000000',
            fill: '#ffffff'
          }
      const elements = this.modeler.get('elementRegistry').getAll()
      this.modeler.get('modeling').setColor(elements, theme)
    }
  }
}
</script>

<style lang="less">
@import url('./package//theme/index.less');

.design-dialog {
  .el-scrollbar__view {
    height: 100%;
  }

  .djs-minimap {
    top: 0;
    right: 0;

    .map {
      width: 250px;
    }

    .toggle {
      cursor: pointer;
    }
  }
}

.bpmn-main {
  display: flex;
  height: 100%;
  // align-items: stretch;
}

.demo-info-bar {
  position: fixed;
  right: 8px;
  bottom: 108px;
  z-index: 1;
}

.demo-control-bar {
  position: fixed;
  right: 8px;
  bottom: 48px;
  z-index: 1;
}

.open-model-button {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 32px;
  background: rgba(64, 158, 255, 1);
  color: #ffffff;
  cursor: pointer;
}

.zoom-in-right-enter-active,
.zoom-in-right-leave-active {
  opacity: 1;
  transform: scaleY(1) translateY(-48px);
  transition: all 300ms cubic-bezier(0.23, 1, 0.32, 1);
  transform-origin: right center;
}

.zoom-in-right-enter,
.zoom-in-right-leave-active {
  opacity: 0;
  transform: scaleX(0) translateY(-48px);
}

.info-tip {
  position: absolute;
  width: 480px;
  top: 0;
  right: 64px;
  z-index: 10;
  box-sizing: border-box;
  padding: 0 16px;
  color: #333333;
  background: #f2f6fc;
  transform: translateY(-48px);
  border: 1px solid #ebeef5;
  border-radius: 4px;

  &::before,
  &::after {
    content: '';
    width: 0;
    height: 0;
    border-width: 8px;
    border-style: solid;
    position: absolute;
    right: -15px;
    top: 50%;
  }

  &::before {
    border-color: transparent transparent transparent #f2f6fc;
    z-index: 10;
  }

  &::after {
    right: -16px;
    border-color: transparent transparent transparent #ebeef5;
    z-index: 1;
  }
}

.control-form {
  .el-radio {
    width: 100%;
    line-height: 32px;
  }
}

.element-overlays {
  box-sizing: border-box;
  padding: 8px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 4px;
  color: #fafafa;
}
</style>
