Select.js
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import template from "./Select.html";
import style from "antd/lib/select/style/index.css";
class Select {
useModules = ["$compile", "$timeout", "esNgAntd"];
props = {
value: String,
defaultValue: String,
placeholder: String,
onChange: Function,
placeholder: String,
getPopupContainer: Function,
size: String,
};
state = {
open: false,
childrens: [],
label: null,
value: this.props.value || this.props.defaultValue,
popup: null,
};
template = template;
constructor(antdForm, antdFormItem) {
esNgAntd.createStyle("ant-select", style);
if (antdForm) {
this.antdForm = antdForm.getContext();
this.antdForm.state.formItems.push($scope);
}
if (antdFormItem) {
this.antdFormItem = antdFormItem.getContext();
}
$timeout(function () {
this.setValue(this.props.value || this.props.defaultValue);
}, 100);
}
setValue(value) {
let option = this.state.childrens.find(function (option) {
return option.value === value;
});
if (option) {
option.label = option.element.text();
this.state.label = option.label;
this.state.value = option.value;
} else {
this.state.label = null;
this.state.value = null;
}
}
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) {
let containerElement = func();
containerElement.style.position = "relative";
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]);
// 处理标签
this.state.childrens.forEach(function (item) {
item.label = item.element.text();
});
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-placement-bottomLeft'+(!state.open?' ant-select-dropdown-hidden':'')" style="width: ${width}px; left: ${left}px; top: ${
top + height + 2
}px;">
<div class="ant-select-item ant-select-item-option" ng-click="handleClick(option)" ng-repeat="option in state.childrens">
<div class="ant-select-item-option-content">{{option.label}}</div>
</div>
</div></div>`)($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();
}
}