/* eslint-disable */
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function broadcast(componentName, eventName, params) {
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this.$children.forEach(child => {
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var _name = child.$options.name;
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var name = child.$options.componentName;
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if (!name) {
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try {
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name = child.$el.attributes && child.$el.attributes["name"] && child.$el.attributes.name.value;
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} catch (e) {
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console.log(e.messsage);
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}
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}
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if (name === componentName) {
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child.$emit.apply(child, [eventName].concat(params));
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} else {
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broadcast.apply(child, [componentName, eventName].concat([params]));
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}
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});
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}
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// 查找组件(根据组件名称)
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function findComponent(componentName) {
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var existChild = null;
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this.$children.forEach(child => {
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var name = child.$options.name || child.$options.componentName;
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if (!name) {
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try {
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name = child.$el.attributes && child.$el.attributes["name"] && child.$el.attributes.name.value;
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} catch (e) {
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console.log(e.messsage);
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}
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}
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if (name === componentName) {
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existChild = child;
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return false;
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} else {
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var _subExistsChild = findComponent.apply(child, [componentName]);
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if (_subExistsChild) {
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existChild = _subExistsChild;
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}
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}
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});
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return existChild;
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}
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// 根据路由查找缓冲组件
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function findKeepComponent(routeName) {
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var existChild = null;
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this.$children.forEach(child => {
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var key = child.$vnode.key;
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if (key && key.indexOf(routeName) >= 0) {
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existChild = child;
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return false;
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} else {
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var _subExistsChild = findKeepComponent.apply(child, [routeName]);
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if (_subExistsChild) {
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existChild = _subExistsChild;
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}
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}
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});
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return existChild;
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}
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// 查找组件(根据ref名)
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function findRef(refName) {
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var existChild = this.$refs[refName];
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if (existChild) return existChild;
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this.$children.forEach(child => {
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var _subExistsChild = findRef.apply(child, [refName]);
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if (_subExistsChild) {
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existChild = _subExistsChild;
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return;
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}
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});
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return existChild;
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}
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export default {
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methods: {
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dispatch(componentName, eventName, params) {
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var parent = this.$parent || this.$root;
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var name = parent.$options.componentName;
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while (parent && (!name || name !== componentName)) {
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parent = parent.$parent;
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if (parent) {
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name = parent.$options.componentName;
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}
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}
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if (parent) {
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parent.$emit.apply(parent, [eventName].concat(params));
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}
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},
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broadcast(componentName, eventName, params) {
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broadcast.call(this, componentName, eventName, params);
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},
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findComponent(componentName) {
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var root = this.$root;
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return findComponent.call(root, componentName);
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},
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findKeepComponent(routeName) {
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var root = this.$root;
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return findKeepComponent.call(root, routeName);
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},
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findRef(refName) {
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var root = this.$root;
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return findRef.call(root, refName);
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},
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findChildRef(refName) {
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var root = this.$parent;
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return findRef.call(root, refName);
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}
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}
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};
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