Blame view

src/Select/Select.js 3.29 KB
3a3ecabe   Imshann   init
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
  import template from "./Select.html";
  
  class Select {
      props = {
          value: String,
          placeholder: String,
          onChange: Function,
          placeholder: String,
          getPopupContainer: Function,
      };
  
      state = {
          open: false,
          childrens: [],
          label: null,
          value: null,
          popup: null,
      };
  
      template = template;
  
      useModules = ["$compile", "$timeout"];
  
      constructor() {
          let option = this.state.childrens.find(function (option) {
              return option.value === this.props.value;
          });
          this.state.label = option.label;
      }
  
      addOption(option) {
          this.state.childrens.push(option);
      }
  
      handleClick(option) {
          this.state.open = !this.state.open;
          this.state.label = option.label;
          this.state.value = option.value;
          this.props.onChange({
              value: this.state.value,
          });
      }
  
      getOffset(ele) {
          if (!ele || ele.nodeType != 1) {
              return;
          }
          let func = this.props.getPopupContainer();
          if (typeof func === "function" && func() !== undefined) {
              return {
                  top: $element[0].offsetTop,
                  left: $element[0].offsetLeft,
              };
          } else {
              let rect = ele.getBoundingClientRect();
              let doc = ele.ownerDocument.documentElement;
              return {
                  top: rect.top + window.pageYOffset - doc.clientTop,
                  left: rect.left + window.pageXOffset - doc.clientLeft,
              };
          }
      }
  
      myEvent() {
          $timeout(() => {
              this.state.open = false;
              document.body.removeEventListener("click", this.myEvent);
          }, 0);
      }
  
      handleBlur() {
          // 事件绑定
          document.body.addEventListener("click", this.myEvent);
      }
  
      handleOpen(event) {
          event.stopPropagation();
          const { height, width } = $element[0].getBoundingClientRect();
          const { top, left } = this.getOffset($element[0]);
          let div = document.createElement("div");
          div.style.position = "absolute";
          div.style.left = 0;
          div.style.top = 0;
          div.style.width = "100%";
          div.appendChild(
              $compile(`<div><div ng-class="'ant-select-dropdown ant-select-dropdown--single ant-select-dropdown-placement-bottomLeft'+(!state.open?' ant-select-dropdown-hidden':'')" style="width: ${width}px; left: ${left}px; top: ${
                  top + height + 2
              }px;">
              <ul class="ant-select-dropdown-menu ant-select-dropdown-menu-root ant-select-dropdown-menu-vertical">
                  <li class="ant-select-dropdown-menu-item" ng-click="handleClick(option)" ng-repeat="option in state.childrens">{{option.label}}</li>
              </ul>
          </div></div>`)($scope)[0]
          );
          if (this.state.popup === null) {
              let func = this.props.getPopupContainer();
              if (typeof func === "function" && func() !== undefined) {
                  $element[0].style.position = "relative";
                  this.props.getPopupContainer()().appendChild(div);
              } else {
                  document.body.appendChild(div);
              }
              this.state.popup = div;
          }
          this.state.open = !this.state.open;
          this.handleBlur();
      }
  }