[英]angular material modal and ng-file-upload
我正在使用角度材质, ng-file-upload和ng-imgcrop-extended进行图像上传。 我以前在正常页面上使用了所有这些功能,并且一切正常,但是需求已经改变,因此我不得不将此逻辑转换为模式。
它的工作方式是我使用ng-imgcrop
裁剪照片,然后ng-file-upload
进行上传。 因此,现在,我有一个侦听文件选择的元素,该元素负责裁剪。 但是现在,它没有在听文件选择,我只能从模态中进行推理。
这是我的代码
模态渲染
$scope.headshotModal = function(ev) {
var useFullScreen;
useFullScreen = ($mdMedia('sm') || $mdMedia('xs')) && $scope.customFullscreen;
$mdDialog.show({
locals: {
p: $scope.persona
},
controller: 'ImagesController',
templateUrl: 'application/views/images/image_modal.html',
parent: angular.element(document.body),
targetEvent: ev,
clickOutsideToClose: true,
fullscreen: useFullScreen
}).then((function(answer) {
$scope.status = 'You said the information was "' + answer + '".';
}), function() {
$scope.status = 'You cancelled the dialog.';
});
$scope.$watch((function() {
return $mdMedia('xs') || $mdMedia('sm');
}), function(wantsFullScreen) {
$scope.customFullscreen = wantsFullScreen === true;
});
};
images_controller
angular.module('App').controller('ImagesController', [
'$scope', 'p', '$mdDialog', 'ImageService', '$routeParams', function($scope, p, $mdDialog, ImageService, $routeParams) {
var handleFileSelect;
$scope.persona = p;
$scope.uploadedImg = false;
$scope.myCroppedImage = '';
$scope.myImage = '';
$scope.blockingObject = {
block: true
};
$scope.callTestFuntion = function() {
$scope.blockingObject.render(function(dataURL) {
$scope.showRender = true;
console.log('via render');
console.log(dataURL.length);
});
};
$scope.blockingObject.callback = function(dataURL) {
console.log('via function');
console.log(dataURL.length);
};
handleFileSelect = function(evt) {
var file, reader;
file = evt.currentTarget.files[0];
console.log(file);
$scope.uploadedImg = true;
reader = new FileReader;
reader.onload = function(evt) {
$scope.$apply(function($scope) {
$scope.myImage = evt.target.result;
});
};
reader.readAsDataURL(file);
};
angular.element(document.querySelector('#imgInput')).on('change', function() {
console.log('handlefileselect');
// this function runs the code needed. it is not being triggered
handleFileSelect;
});
$scope.thenRedirect = function() {
return window.location.href = "personas/" + $scope.persona.slug;
};
$scope.testCrop = function(file) {
ImageService.uploadCroppedImg(file, 'headshot', $routeParams, $scope.cropAttributes);
return $scope.thenRedirect();
};
$scope.cancel = function() {
$scope.uploadedImg = false;
return $scope.showRender = false;
};
$scope.hide = function() {
$mdDialog.hide();
};
return $scope.cancelOut = function() {
$mdDialog.cancel();
};
}
]);
模态
md-dialog.fs [style="width: 100%; margin-left:25%; margin-right: 25%;" aria-label=("Image Edit") ng-cloak=""]
/form
md-toolbar.text-center
.md-toolbar-tools
h2 Image Edit
span flex=""
md-button.md-icon-button [ng-click="cancelOut()" aria-label="Cancel"]
i.fa.fa-times
md-dialog-content
.md-dialog-content
h2.text-center Edit Your Headshot
div.input-div
| Select an image file:
input#imgInput [type="file" ngf-select accept="image/*" ng-model="headshotFile"] /
/ [ng-show='uploadedImg']
div
md-button.render-btn[ng-click="callTestFuntion()"] Render
.crop-area
img-crop cropject='cropAttributes' area-type="rectangle" image="myImage" live-view="blockingObject" result-image="myCroppedImage"
a.img-upload [href="#" ngf-select="uploadBanner($file)" ngf-dimensions="$width > 149 && $height > 149"]
i.fa.fa-camera
span Banner
a.img-upload[style='cursor: pointer;'ng-click="testCrop(headshotFile)"]
i.fa.fa-upload
span Upload
a.cancel-img.img-upload [href="#" ng-click="cancel()"]
i.fa.fa-ban
span Cancel
此代码在普通的html页面上有效。 但问题似乎就不能听angular.element(document.querySelector('#imgInput')).on('change')
中的一部分ImagesController
。 有谁知道如何使用模式来处理这些类型的事件? 我已经看到我可能必须在$mdDialog.show().resolve()
函数中包装一些逻辑,但是我不确定它期望什么。
任何帮助,将不胜感激 :)
根据您的结果,我可以通过在对话框的onShowing或onComplete事件中连接事件来解决此问题。 我会在这里创建一个回调函数:
$mdDialog.show({
locals: {
p: $scope.persona
},
controller: 'ImagesController',
templateUrl: 'application/views/images/image_modal.html',
parent: angular.element(document.body),
targetEvent: ev,
clickOutsideToClose: true,
fullscreen: useFullScreen,
onComplete: wireUpChangeEvent,
onRemoving: removeChangeEvent // so it doesn't get wired up multiple times
})
我不是100%,但是我认为在隐藏(关闭)对话框后,对话框仍停留在DOM上。 在这种情况下,您要么需要onRemoving事件函数,要么需要检查它是否已经连接好以防止多次触发。 该函数将从启动对话框的控制器中调用。 您可能需要通过使用scope选项并告知它以saveScope来使它们两个共享相同的范围。 我也不确定是否会在第一次调用onShowing时在DOM上加载模板,因此使用onComplete可能更安全。
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