<template>
  <div :class="{fullscreen:fullscreen}" :style="{width:containerWidth}" class="tinymce-container">
    <textarea :id="tinymceId" class="tinymce-textarea" />
    <div class="editor-custom-btn-container">
      <editorImage color="#1890ff" class="editor-upload-btn" @successCBK="imageSuccessCBK" />
    </div>
  </div>
</template>

<script>
import editorImage from './components/EditorImage'
import plugins from './plugins'
import toolbar from './toolbar'

export default {
  name: 'Tinymce',
  components: { editorImage },
  props: {
    id: {
      type: String,
      default: function() {
        return 'vue-tinymce-' + +new Date() + ((Math.random() * 1000).toFixed(0) + '')
      }
    },
    value: {
      type: String,
      default: ''
    },
    toolbar: {
      type: Array,
      required: false,
      default() {
        return []
      }
    },
    height: {
      type: [Number, String],
      required: false,
      default: 360
    },
    width: {
      type: [Number, String],
      required: false,
      default: 'auto'
    }
  },
  data() {
    return {
      hasChange: false,
      hasInit: false,
      tinymceId: this.id,
      fullscreen: false
    }
  },
  computed: {
    containerWidth() {
      const width = this.width
      if (/^[\d]+(\.[\d]+)?$/.test(width)) { // matches `100`, `'100'`
        return `${width}px`
      }
      return width
    }
  },
  watch: {
    value(val) {
      if (!this.hasChange && this.hasInit) {
        this.$nextTick(() =>
          window.tinymce.get(this.tinymceId).setContent(val || ''))
      }
    }
  },
  mounted() {
    this.initTinymce()
  },
  activated() {
    if (window.tinymce) {
      this.initTinymce()
    }
  },
  deactivated() {
    this.destroyTinymce()
  },
  destroyed() {
    this.destroyTinymce()
  },
  methods: {

    // 初始化
    initTinymce() {
      const that = this

      window.tinymce.init({
        selector: `#${this.tinymceId}`,
        language: 'zh_CN',
        height: this.height,
        body_class: 'panel-body ',
        object_resizing: false,
        toolbar: this.toolbar.length > 0 ? this.toolbar : toolbar,
        external_plugins: {
          'kityformula-editor': '/tinymce/plugins/kityformula-editor/plugin.min.js'
        },
        menubar: false,
        branding: false,
        plugins: plugins,
        end_container_on_empty_block: true,
        powerpaste_word_import: 'clean', // 粘贴时为简洁模式
        // powerpaste_word_import: 'propmt', // 粘贴word时 为完整模式
        powerpaste_html_import: 'clean', // 粘贴html时, 为完整模式
        paste_preprocess: function(plugin, args) {
          const re1 = new RegExp('<.+?>', 'g')
          args.content = args.content.replace(re1, '')
        },
        code_dialog_height: 450,
        code_dialog_width: 1000,
        advlist_bullet_styles: 'square',
        advlist_number_styles: 'default',
        default_link_target: '_blank',
        link_title: false,
        wirisformulaeditorlang: 'zh',
        nonbreaking_force_tab: true, // inserting nonbreaking space &nbsp; need Nonbreaking Space Plugin
        init_instance_callback: editor => {
          if (that.value) {
            editor.setContent(that.value)
          }
          that.hasInit = true
          editor.on('NodeChange Change KeyUp SetContent', () => {
            this.hasChange = true
            this.$emit('input', editor.getContent())
          })
        },
        setup(editor) {
          editor.on('FullscreenStateChanged', (e) => {
            that.fullscreen = e.state
          })
        }
      })
    },
    destroyTinymce() {
      const tinymce = window.tinymce.get(this.tinymceId)
      if (this.fullscreen) {
        tinymce.execCommand('mceFullScreen')
      }

      if (tinymce) {
        tinymce.destroy()
      }
    },
    setContent(value) {
      window.tinymce.get(this.tinymceId).setContent(value)
    },
    getContent() {
      window.tinymce.get(this.tinymceId).getContent()
    },
    getTextContent() {
      return window.tinymce.get(this.tinymceId).getContent( { format : 'text' } );
    },
    imageSuccessCBK(arr) {
      const that = this
      arr.forEach(v => {
        window.tinymce.get(that.tinymceId).insertContent(`<img class="wscnph" src="${v.url}" >`)
      })
    }
  }
}
</script>

<style scoped>

.tinymce-container {
  position: relative;
  line-height: normal;
}

.editor-custom-btn-container {
  position: absolute;
  right: 5px;
  top: 5px;
  z-index: 2005;
}
.fullscreen .editor-custom-btn-container {
  z-index: 10000;
  position: fixed;
}
.editor-upload-btn {
  display: inline-block;
}
</style>
