docs.sheetjs.com/docz/static/reactnative/rnm/RCTDocumentPicker.m

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2023-07-23 21:01:30 +00:00
#import <Foundation/Foundation.h>
#import <React/RCTUtils.h>
#import "RCTDocumentPicker.h"
@implementation RCTDocumentPicker
RCT_EXPORT_MODULE();
RCT_EXPORT_METHOD(PickAndRead:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject)
{
RCTExecuteOnMainQueue(^{
NSOpenPanel *panel = [NSOpenPanel openPanel];
[panel setCanChooseDirectories:NO];
[panel setAllowsMultipleSelection:NO];
[panel setMessage:@"Select a spreadsheet to read"];
[panel beginWithCompletionHandler:^(NSInteger result){
if (result == NSModalResponseOK) {
NSURL *selected = [[panel URLs] objectAtIndex:0];
NSFileHandle *hFile = [NSFileHandle fileHandleForReadingFromURL:selected error:nil];
if(hFile) {
NSData *data = [hFile readDataToEndOfFile];
resolve([data base64EncodedStringWithOptions:0]);
} else reject(@"read_failure", @"Could not read selected file!", nil);
} else reject(@"select_failure", @"No file selected!", nil);
}];
});
}
@end