ImagePreviewGroup.js
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import template from "./ImagePreviewGroup.html";
angular.module("esNgAntd").directive("antdImagePreviewGroup", ["esNgAntd", function (esNgAntd) {
return {
template: template,
restrict: "E",
replace: true,
transclude: true,
scope: {
preview: "="
},
controller: function ($scope, $element, $attrs) {
$scope.state = {
current: 0,
visible: false,
src: null,
childrens: []
};
$scope.addChildren = function (children) {
[children].forEach(function (value, key) {
if ([undefined, null, ""].includes(value)) {
throw new Error(`${["children"][key]} parameter of addChildren method is required.`);
}
});
$scope.state.childrens.push(children);
return $scope.state.childrens.length - 1;
};
$scope.setCurrent = function (value) {
[value].forEach(function (value, key) {
if ([undefined, null, ""].includes(value)) {
throw new Error(`${["value"][key]} parameter of setCurrent method is required.`);
}
});
$scope.state.current = value;
if (typeof $scope.preview === "object" && typeof $scope.preview.onCurrentChange === "function") {
$scope.preview.onCurrentChange(value);
}
};
$scope.setVisible = function (value) {
[value].forEach(function (value, key) {
if ([undefined, null, ""].includes(value)) {
throw new Error(`${["value"][key]} parameter of setVisible method is required.`);
}
});
$scope.state.visible = value;
if (typeof $scope.preview === "object" && typeof $scope.preview.onVisibleChange === "function") {
$scope.preview.onVisibleChange(value);
}
};
$scope.handleOpen = function (index) {
[index].forEach(function (value, key) {
if ([undefined, null, ""].includes(value)) {
throw new Error(`${["index"][key]} parameter of handleOpen method is required.`);
}
});
$scope.setCurrent(index);
$scope.state.src = $scope.state.childrens[index].state.src;
$scope.setVisible(true);
};
$scope.handleClose = function () {
$scope.setVisible(false);
};
$scope.handlePrev = function () {
$scope.setCurrent($scope.state.current > 0 ? $scope.state.current - 1 : 0);
$scope.state.src = $scope.state.childrens[$scope.state.current].state.src;
};
$scope.handleNext = function () {
$scope.setCurrent($scope.state.current < $scope.state.childrens.length - 1 ? $scope.state.current + 1 : $scope.state.childrens.length - 1);
$scope.state.src = $scope.state.childrens[$scope.state.current].state.src;
};
$scope.handlePreview = function () {
let className;
if ($attrs.class) {
className = ` ${$attrs.class}`;
}
esNgAntd.createLayer(`
<div class="ant-image-preview-root${className}">
<div class="ant-image-preview-mask" ng-if="state.visible"></div>
<div class="ant-image-preview-wrap" ng-show="state.visible">
<div class="ant-image-preview">
<div class="ant-image-preview-content">
<div class="ant-image-preview-body">
<ul class="ant-image-preview-operations">
<li class="ant-image-preview-operations-operation">
<span class="anticon anticon-close ant-image-preview-operations-icon" ng-click="handleClose()">
<antd-icon type="CloseOutlined"></antd-icon>
</span>
</li>
</ul>
<div class="ant-image-preview-img-wrapper">
<img class="ant-image-preview-img" ng-src="{{state.src}}"/>
</div>
<div ng-class="{'ant-image-preview-switch-left': true, 'ant-image-preview-switch-left-disabled': state.current===0}" ng-click="handlePrev()">
<antd-icon type="LeftOutlined"></antd-icon>
</div>
<div ng-class="{'ant-image-preview-switch-right': true,'ant-image-preview-switch-right-disabled': (state.childrens.length-1)===state.current}" ng-click="handleNext()">
<antd-icon type="RightOutlined"></antd-icon>
</div>
</div>
</div>
</div>
</div>
</div>
`, $scope);
};
this.getContext = function () {
return $scope;
};
},
link: function ($scope, $element, $attrs) {
[$element, $attrs].forEach(function (value, key) {
if ([undefined, null, ""].includes(value)) {
throw new Error(`${["$element", "$attrs"][key]} parameter of constructor method is required.`);
}
});
$scope.handlePreview();
}
};
}]);