30 lines
1022 B
Mathematica
30 lines
1022 B
Mathematica
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#import <Foundation/Foundation.h>
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#import <React/RCTUtils.h>
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#import "RCTDocumentPicker.h"
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@implementation RCTDocumentPicker
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RCT_EXPORT_MODULE();
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RCT_EXPORT_METHOD(PickAndRead:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject)
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{
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RCTExecuteOnMainQueue(^{
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NSOpenPanel *panel = [NSOpenPanel openPanel];
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[panel setCanChooseDirectories:NO];
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[panel setAllowsMultipleSelection:NO];
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[panel setMessage:@"Select a spreadsheet to read"];
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[panel beginWithCompletionHandler:^(NSInteger result){
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if (result == NSModalResponseOK) {
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NSURL *selected = [[panel URLs] objectAtIndex:0];
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NSFileHandle *hFile = [NSFileHandle fileHandleForReadingFromURL:selected error:nil];
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if(hFile) {
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NSData *data = [hFile readDataToEndOfFile];
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resolve([data base64EncodedStringWithOptions:0]);
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} else reject(@"read_failure", @"Could not read selected file!", nil);
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} else reject(@"select_failure", @"No file selected!", nil);
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}];
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});
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}
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@end
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