chushihua

node_modules/element-ui/lib/utils/clickoutside.js

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+'use strict';
+
+exports.__esModule = true;
+
+var _vue = require('vue');
+
+var _vue2 = _interopRequireDefault(_vue);
+
+var _dom = require('element-ui/lib/utils/dom');
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var nodeList = [];
+var ctx = '@@clickoutsideContext';
+
+var startClick = void 0;
+var seed = 0;
+
+!_vue2.default.prototype.$isServer && (0, _dom.on)(document, 'mousedown', function (e) {
+  return startClick = e;
+});
+
+!_vue2.default.prototype.$isServer && (0, _dom.on)(document, 'mouseup', function (e) {
+  nodeList.forEach(function (node) {
+    return node[ctx].documentHandler(e, startClick);
+  });
+});
+
+function createDocumentHandler(el, binding, vnode) {
+  return function () {
+    var mouseup = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+    var mousedown = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    if (!vnode || !vnode.context || !mouseup.target || !mousedown.target || el.contains(mouseup.target) || el.contains(mousedown.target) || el === mouseup.target || vnode.context.popperElm && (vnode.context.popperElm.contains(mouseup.target) || vnode.context.popperElm.contains(mousedown.target))) return;
+
+    if (binding.expression && el[ctx].methodName && vnode.context[el[ctx].methodName]) {
+      vnode.context[el[ctx].methodName]();
+    } else {
+      el[ctx].bindingFn && el[ctx].bindingFn();
+    }
+  };
+}
+
+/**
+ * v-clickoutside
+ * @desc 点击元素外面才会触发的事件
+ * @example
+ * ```vue
+ * <div v-element-clickoutside="handleClose">
+ * ```
+ */
+exports.default = {
+  bind: function bind(el, binding, vnode) {
+    nodeList.push(el);
+    var id = seed++;
+    el[ctx] = {
+      id: id,
+      documentHandler: createDocumentHandler(el, binding, vnode),
+      methodName: binding.expression,
+      bindingFn: binding.value
+    };
+  },
+  update: function update(el, binding, vnode) {
+    el[ctx].documentHandler = createDocumentHandler(el, binding, vnode);
+    el[ctx].methodName = binding.expression;
+    el[ctx].bindingFn = binding.value;
+  },
+  unbind: function unbind(el) {
+    var len = nodeList.length;
+
+    for (var i = 0; i < len; i++) {
+      if (nodeList[i][ctx].id === el[ctx].id) {
+        nodeList.splice(i, 1);
+        break;
+      }
+    }
+    delete el[ctx];
+  }
+};