67 lines
1.5 KiB
Dart
67 lines
1.5 KiB
Dart
import 'dart:io';
|
|
|
|
import 'callbacks.dart';
|
|
import 'display_image_source.dart';
|
|
|
|
class MultiImgController {
|
|
List<String> imageUrls = [];
|
|
List<DisplayImageSource> addedFiles = [];
|
|
List<DisplayImageSource> removedFiles = [];
|
|
|
|
List<DisplayImageSource> fileContainers = [];
|
|
CallBack callback;
|
|
MultiImgController() {
|
|
fileContainers = [];
|
|
}
|
|
|
|
set setImageUrls(List<String> imageUrls) {
|
|
if (imageUrls == null) {
|
|
return;
|
|
}
|
|
fileContainers.clear();
|
|
|
|
this.imageUrls = imageUrls;
|
|
imageUrls.forEach((e) {
|
|
fileContainers.add(DisplayImageSource(url: e));
|
|
});
|
|
if (callback != null) {
|
|
callback();
|
|
}
|
|
}
|
|
|
|
void onChange(CallBack callBack) {
|
|
this.callback = callBack;
|
|
}
|
|
|
|
set addFile(DisplayImageSource fileContainer) {
|
|
// if (fileContainers.contains(fileContainer)) return;
|
|
addedFiles.add(fileContainer);
|
|
if (callback != null) {
|
|
callback();
|
|
}
|
|
}
|
|
|
|
set removeFile(DisplayImageSource fileContainer) {
|
|
if (!fileContainers.contains(fileContainer)) return;
|
|
fileContainers.remove(fileContainer);
|
|
|
|
if (addedFiles.contains(fileContainer)) {
|
|
addedFiles.remove(fileContainer);
|
|
}
|
|
if (imageUrls.contains(fileContainer.url)) {
|
|
removedFiles.add(fileContainer);
|
|
}
|
|
if (callback != null) {
|
|
callback();
|
|
}
|
|
}
|
|
|
|
List<File> get getAddedFile {
|
|
return addedFiles.map((e) => e.file).toList();
|
|
}
|
|
|
|
List<String> get getDeletedUrl {
|
|
return removedFiles.map((e) => e.url).toList();
|
|
}
|
|
}
|