Popover.js
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import template from "./Popover.html";
angular.module("esNgAntd").directive("esPopover", function ($compile) {
return {
controllerAs: "esPopover",
restrict: "E",
transclude: true,
replace: true,
scope: {
title: "@",
content: "@",
context: "=",
placement: "@",
getPopupContainer: "&",
},
template: template,
controller: function ($scope, $element) {
this.getContext = function () {
return $scope;
};
$scope.state = {
visible: false,
content: $scope.content ? $scope.content : "",
clickTarget: null,
};
$scope.myEvent = function () {
setTimeout(() => {
$scope.state.visible = false;
$scope.$apply();
document.body.removeEventListener("click", $scope.myEvent);
}, 0);
};
$scope.handleClick = function () {
if ($scope.state.visible === false) {
// 气泡层（显示）
$scope.state.visible = true; // j
$scope.handlePosition(); // 事件绑定
document.body.addEventListener("click", $scope.myEvent);
} else {
setTimeout(() => {
$scope.state.visible = false;
$scope.$apply();
document.body.removeEventListener(
"click",
$scope.myEvent
);
}, 0);
}
};
$scope.showPopover = function () {
let popover = $scope.state.popover;
popover.classList.remove("ant-popover-hidden");
};
$scope.handlePosition = function () {
setTimeout(function () {
let popover =
$scope.state.popover.querySelector(".ant-popover");
if ($scope.placement === "top") {
popover.style["top"] = $scope.getTop();
} else if ($scope.placement === "bottom") {
popover.style["top"] = $scope.getTop();
}
popover.style.left = $scope.getLeft() + "px";
}, 0);
};
$scope.getLeft = function () {
let parent = $scope.getPopupContainer();
let popover =
$scope.state.popover.querySelector(".ant-popover");
let target = $scope.state.target;
if (parent) {
return -(popover.clientWidth / 2 - target.clientWidth / 2);
} else {
return (
$(target).offset().left -
(popover.clientWidth / 2 - target.clientWidth / 2)
);
}
};
$scope.getTop = function () {
let parent = $scope.getPopupContainer();
let popover =
$scope.state.popover.querySelector(".ant-popover");
let target = $scope.state.target;
if (parent) {
if ($scope.placement === "top") {
return -popover.clientHeight + "px";
} else if ($scope.placement === "bottom") {
}
} else {
if ($scope.placement === "top") {
return (
$(target).offset().top -
popover.clientHeight -
4 +
"px"
);
} else if ($scope.placement === "bottom") {
return (
$(target).offset().top +
target.clientHeight +
4 +
"px"
);
}
}
};
},
link: function ($scope, $element, $attrs, $controllers, $transclude) {
$scope.state.target = $element[0];
let title = $scope.title
? `<div class="ant-popover-title"><span>${$scope.title}</span></div>`
: "";
let content = `<div>
<div style="outline:none" ng-class="'ant-popover ant-popover-placement-${
$scope.placement
}'+(!state.visible?' ant-popover-hidden': '')">
<div class="ant-popover-content">
<div class="ant-popover-arrow"></div>
<div class="ant-popover-inner">
<div>
${title}
<div class="ant-popover-inner-content">
${$scope.state.content.replace(
/\$scope/g,
"context"
)}
</div>
</div>
</div>
</div>
</div>
</div>`;
let div = document.createElement("div");
if (typeof $scope.getPopupContainer() === "function") {
$scope.state.popupContainer = $scope.getPopupContainer()();
}
if (!$scope.state.popupContainer) {
div.style.position = "absolute";
div.style.top = "0px";
div.style.left = "0px";
div.style.width = "100%";
div.innerHTML = content;
document.body.appendChild(div);
} else {
div.innerHTML = content;
$scope.state.popupContainer.appendChild(div);
}
div.addEventListener("click", function (event) {
event.stopPropagation();
});
$scope.state.target.addEventListener("click", (e) => {
e.stopPropagation();
});
$compile(div)($scope);
$scope.state.popover = div;
},
};
});