tfp/src/components/radio/controller.js

A Web UI framework for TaskBuilder

import { FormInput } from "../controller.js";

/**
 * 单选框组件
 * @param {[type]} dataModel [description]
 */
export default class Radio extends FormInput {

  constructor(__tfp, dataModel, parent) {
    super(__tfp, "Radio", dataModel, parent);
  }

  //属性
  get value() { return this.dataModel.value; }
  set value(value) {
    this.dataModel.value = value;
    if (this._jqObj) {
      this._jqObj.find(".tfp-radio-box").each(function () {
        if ($(this).attr("data-option") == value) {
          $(this).find("div").css("display", "inline-block");
        } else {
          $(this).find("div").css("display", "none");
        }
      });
    }
    if (!this._tfp.isDesigning) {
      this.valueOnChange();
      this.exeEventHandler("onChange", value);
    }
  }

  get options() { return this.dataModel.options }
  set options(value) {
    if (!value) return;
    this.setOptions(value);
    if (this._jqObj) {
      this._jqObj.empty();
      for (var i = 0; i < value.length; i++) {
        this.addOption(value[i], true);
      }
    }
  }

  get portrait() { return this.dataModel.portrait }
  set portrait(value) {
    this.dataModel.portrait = value ? true : false;
    if (this._jqObj) {
      if (value) {
        let that = this;
        this._jqObj.find("label").each(function (index) {
          if (index < (that._jqObj.find("label").length - 1)) {
            $("<br/>").insertAfter($(this));
          }
        });
      } else {
        this._jqObj.find("br").remove();
      }
    }
  }

  getOptionHtml(indent, option) {
    let optionHtml = "";
    let optionDisplay = "none";
    if (this.value == option.value) optionDisplay = "inline-block";
    let disabledStyle = "";
    if (this.dataModel.disabled) disabledStyle = " style=\"background-color:#eeeeee;\"";
    optionHtml += indent + "\t<div class=\"tfp-radio-box\" "
      + disabledStyle + " data-option=\"" + option.value + "\">"
      + "<div style=\"display:" + optionDisplay + ";\"></div></div>";
    if (option.text) {
      optionHtml += "<label>" + option.text + "</label>\r\n";
    } else {
      optionHtml += "<label>" + option.value + "</label>\r\n";
    }
    return optionHtml;
  }

  addOption(option, isInit) {
    let indent = this.getHtmlIndent();
    let str = "";
    if (this.portrait && this._jqObj.children().length > 0)
      str += indent + "\t<br>\r\n";
    str += this.getOptionHtml(indent, option);
    if (str != "") {
      this._jqObj.append(str);
      this.bindOptionEvent(this._jqObj.find(".tfp-radio-box").last().get(0));
      if (!isInit) this.dataModel.options.push(option);
    }
  }

  bindOptionEvent(el) {
    let that = this;
    $(el).click(function () {
      if (that.dataModel.disabled || that.dataModel.readonly) return;
      that.value = $(this).attr("data-option");
    });
  }

  initRuntime() {
    let that = this;
    this._jqObj.find(".tfp-radio-box").each(function () {
      that.bindOptionEvent(this);
    });
  }
}