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update Cascader

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update Cascader
This commit is contained in:
梁灏 2016-11-15 23:23:16 +08:00
parent c463ab8757
commit bd4e3b9b0a
4 changed files with 85 additions and 29 deletions
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56
src/components/cascader/caspanel.vue
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@ -7,7 +7,7 @@
:tmp-item="tmpItem"
@click.stop="handleClickItem(item)"
@mouseenter.stop="handleHoverItem(item)"></Casitem>
</ul><Caspanel v-if="sublist && sublist.length" :prefix-cls="prefixCls" :data.sync="sublist" :disabled="disabled" :trigger="trigger" @on-update-result="updateResult"></Caspanel>
</ul><Caspanel v-if="sublist && sublist.length" :prefix-cls="prefixCls" :data.sync="sublist" :disabled="disabled" :trigger="trigger" :change-on-select="changeOnSelect"></Caspanel>
</template>
<script>
import Casitem from './casitem.vue';
@ -31,11 +31,7 @@
},
disabled: Boolean,
changeOnSelect: Boolean,
trigger: {
validator (value) {
return oneOf(value, ['click', 'hover']);
}
},
trigger: String,
prefixCls: String
},
data () {
@ -46,33 +42,32 @@
},
methods: {
handleClickItem (item) {
if (this.trigger !== 'click') return;
if (this.trigger !== 'click' && item.children) return;
this.handleTriggerItem(item);
},
handleHoverItem (item) {
if (this.trigger !== 'hover') return;
if (this.trigger !== 'hover' || !item.children) return;
this.handleTriggerItem(item);
},
handleTriggerItem (item) {
handleTriggerItem (item, fromInit = false) {
if (item.disabled) return;
// return value back recursion
const backItem = this.getBaseItem(item);
this.tmpItem = backItem;
this.emitUpdate([backItem]);
if (item.children && item.children.length){
this.sublist = item.children;
// todo 实时选择
this.$dispatch('on-result-change', false, this.changeOnSelect, fromInit);
} else {
this.sublist = [];
// todo 选择
this.$dispatch('on-result-change', true, this.changeOnSelect, fromInit);
}
// return value back
const backItem = this.getBaseItem(item);
this.tmpItem = backItem;
this.$emit('on-update-result', [backItem]);
},
updateResult (item) {
this.result = [this.tmpItem].concat(item);
this.$emit('on-update-result', this.result);
this.emitUpdate(this.result);
},
getBaseItem (item) {
let backItem = Object.assign({}, item);
@ -81,6 +76,13 @@
}
return backItem;
},
emitUpdate (result) {
if (this.$parent.$options.name === 'Caspanel') {
this.$parent.updateResult(result);
} else {
this.$parent.$parent.updateResult(result);
}
}
},
watch: {
@ -88,8 +90,22 @@
this.sublist = [];
}
},
ready () {
// todo 初始化时，判断预设的值
events: {
'on-find-selected' (val) {
let value = [...val];
for (let i = 0; i < value.length; i++) {
for (let j = 0; j < this.data.length; j++) {
if (value[i] === this.data[j].value) {
this.handleTriggerItem(this.data[j], true);
value.splice(0, 1);
this.$nextTick(() => {
this.$broadcast('on-find-selected', value);
});
return false;
}
}
}
}
}
}
</script>