<template>
  <div :class="{fullscreen:fullscreen}" class="tinymce-container" :style="{width:containerWidth}">
    <textarea :id="tinymceId" class="tinymce-textarea" />
  </div>
</template>

<script>
import plugins from './plugins'
import toolbar from './toolbar'
import load from './dynamicLoadScript'

const tinymceCDN = 'https://cdn.jsdelivr.net/npm/tinymce-all-in-one@4.9.5/tinymce.min.js'
// const tinymceCDN = 'components/tinymce/tinymce.min.js'


export default {
  name: 'Tinymce',
  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 []
      }
    },
    menubar: {
      type: String,
      default: 'file edit insert view format table'
    },
    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,
      languageTypeList: {
        'en': 'en',
        'zh': 'zh_CN',
        'es': 'es_MX',
        'ja': 'ja'
      }
    }
  },
  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.$nextTick(() =>
          window.tinymce.get(this.tinymceId).setContent(val || ''))
      }
    }
  },
  mounted() {
    this.init()
  },
  activated() {
    if (window.tinymce) {
      this.initTinymce()
    }
  },
  deactivated() {
    this.destroyTinymce()
  },
  destroyed() {
    this.destroyTinymce()
  },
  methods: {
    init() {
      // dynamic load tinymce from cdn
      load(tinymceCDN, (err) => {
        if (err) {
          this.$message.error(err.message)
          return
        }
        this.initTinymce()
      })
    },
    initTinymce() {
      const _this = this
      window.tinymce.init({
        selector: `#${this.tinymceId}`,
        language: this.languageTypeList['zh'],
        height: this.height,
        body_class: 'panel-body ',
        object_resizing: false,
        toolbar: this.toolbar.length > 0 ? this.toolbar : toolbar,
        menubar: this.menubar,
        branding: true, //是否禁用“Powered by TinyMCE”
        plugins: plugins,
        end_container_on_empty_block: true,
        powerpaste_word_import: 'clean',
        code_dialog_height: 450,
        code_dialog_width: 1000,
        advlist_bullet_styles: 'square',
        advlist_number_styles: 'default',
        default_link_target: '_blank',
        paste_data_images: true, // 允许粘贴图像
        statusbar: false, // 隐藏编辑器底部的状态栏
        link_title: false,
        nonbreaking_force_tab: true,
        automatic_uploads: true,//配置图片上传
        convert_urls: false, // 自动转换绝对路径
        init_instance_callback: editor => {
          if (_this.value) {
            editor.setContent(_this.value)
          }
          _this.hasInit = true
          editor.on('NodeChange Change KeyUp SetContent', () => {
            this.hasChange = true
            this.$emit('input', editor.getContent())
          })
        },
        setup(editor) {
          editor.on('init', () => {
            //默认字体
            editor.execCommand("fontName", false, "SimSun");
            //默认字号
            editor.execCommand("fontSize", false,"12pt");
          });
          editor.on('FullscreenStateChanged', (e) => {
            _this.fullscreen = e.state
          });
        },
        // 自定义图片上传实现
        images_upload_handler: function (blobInfo, success, failure) {
          let host= window.location.protocol;
          let protocol=window.location.host;
          var xhr, formData;
          xhr = new XMLHttpRequest();
          xhr.withCredentials = false;
          xhr.open("POST", host+"//"+protocol+"/uploadfileadmin/manager/znzl/file/upload/videoandimgurl");
          formData = new FormData();
          formData.append("file", blobInfo.blob());
          formData.append("uploadPar","tinymcevue");
          xhr.onload = function(e){
            var json;
            if (xhr.status !== 200) {
              failure('HTTP Error: ' + xhr.status);
              return;
            }
            json = JSON.parse(this.responseText);
            if (!json || typeof json.path != 'string') {
              failure('Invalid JSON: ' + xhr.responseText);
              return;
            }
            success(json.path);
          };
          xhr.send(formData);
        },
        font_formats:  '' +
            '微软雅黑=Microsoft YaHei;' +
            '黑体=SimHei;' +
            '仿宋_GB2312=FangSong_GB2312;' +
            '楷体=KaiTi;' +
            '宋体=SimSun;' +
            '新宋体=NSimSun;' +
            'Arial=arial,helvetica,sans-serif;' +
            'Helvetica=helvetica;' +
            'Terminal=terminal,monaco;' +
            'Times New Roman=times new roman' +
            '',
      })
    },
    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()
    }
  }
}
</script>

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

.mce-fullscreen {
  z-index: 10000;
}

.tinymce-textarea {
  visibility: hidden;
  z-index: -1;
}

.editor-custom-btn-container {
  position: absolute;
  right: 4px;
  top: 4px;
  /*z-index: 2005;*/
}

.fullscreen .editor-custom-btn-container {
  z-index: 10000;
  position: fixed;
}

.editor-upload-btn {
  display: inline-block;
}
</style>
