support Tree & add dispatch and broadcast methods

support Tree,many component add name $option;add dispatch and broadcast
methods, mixins it
This commit is contained in:
梁灏 2017-03-02 17:40:19 +08:00
parent bb71140e7b
commit 34ee7b4a14
28 changed files with 190 additions and 69 deletions

33
src/mixins/emitter.js Executable file
View file

@ -0,0 +1,33 @@
function broadcast(componentName, eventName, params) {
this.$children.forEach(child => {
const name = child.$options.name;
if (name === componentName) {
child.$emit.apply(child, [eventName].concat(params));
} else {
broadcast.apply(child, [componentName, eventName].concat([params]));
}
});
}
export default {
methods: {
dispatch(componentName, eventName, params) {
let parent = this.$parent || this.$root;
let name = parent.$options.name;
while (parent && (!name || name !== componentName)) {
parent = parent.$parent;
if (parent) {
name = parent.$options.name;
}
}
if (parent) {
parent.$emit.apply(parent, [eventName].concat(params));
}
},
broadcast(componentName, eventName, params) {
broadcast.call(this, componentName, eventName, params);
}
}
};