mirror of
https://github.com/juce-framework/JUCE.git
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275 lines
10 KiB
Text
275 lines
10 KiB
Text
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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#if JUCE_MAC
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struct FileChooserDelegateClass : public ObjCClass <NSObject>
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{
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FileChooserDelegateClass() : ObjCClass <NSObject> ("JUCEFileChooser_")
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{
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addIvar<StringArray*> ("filters");
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addIvar<FilePreviewComponent*> ("filePreviewComponent");
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addMethod (@selector (dealloc), dealloc, "v@:");
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addMethod (@selector (panel:shouldShowFilename:), shouldShowFilename, "c@:@@");
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addMethod (@selector (panelSelectionDidChange:), panelSelectionDidChange, "c@");
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#if defined (MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
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addProtocol (@protocol (NSOpenSavePanelDelegate));
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#endif
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registerClass();
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}
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static void setFilters (id self, StringArray* filters) { object_setInstanceVariable (self, "filters", filters); }
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static void setFilePreviewComponent (id self, FilePreviewComponent* comp) { object_setInstanceVariable (self, "filePreviewComponent", comp); }
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static StringArray* getFilters (id self) { return getIvar<StringArray*> (self, "filters"); }
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static FilePreviewComponent* getFilePreviewComponent (id self) { return getIvar<FilePreviewComponent*> (self, "filePreviewComponent"); }
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private:
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static void dealloc (id self, SEL)
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{
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delete getFilters (self);
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sendSuperclassMessage (self, @selector (dealloc));
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}
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static BOOL shouldShowFilename (id self, SEL, id /*sender*/, NSString* filename)
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{
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StringArray* const filters = getFilters (self);
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const File f (nsStringToJuce (filename));
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for (int i = filters->size(); --i >= 0;)
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if (f.getFileName().matchesWildcard ((*filters)[i], true))
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return true;
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#if (! defined (MAC_OS_X_VERSION_10_7)) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_7
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NSError* error;
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NSString* name = [[NSWorkspace sharedWorkspace] typeOfFile: filename error: &error];
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if ([name isEqualToString: nsStringLiteral ("com.apple.alias-file")])
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{
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FSRef ref;
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FSPathMakeRef ((const UInt8*) [filename fileSystemRepresentation], &ref, nullptr);
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Boolean targetIsFolder = false, wasAliased = false;
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FSResolveAliasFileWithMountFlags (&ref, true, &targetIsFolder, &wasAliased, 0);
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return wasAliased && targetIsFolder;
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}
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#endif
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return f.isDirectory()
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&& ! [[NSWorkspace sharedWorkspace] isFilePackageAtPath: filename];
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}
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static StringArray getSelectedPaths (id sender)
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{
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StringArray paths;
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if ([sender isKindOfClass: [NSOpenPanel class]])
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{
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NSArray* urls = [(NSOpenPanel*) sender URLs];
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for (NSUInteger i = 0; i < [urls count]; ++i)
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paths.add (nsStringToJuce ([[urls objectAtIndex: i] path]));
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}
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else if ([sender isKindOfClass: [NSSavePanel class]])
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{
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paths.add (nsStringToJuce ([[(NSSavePanel*) sender URL] path]));
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}
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return paths;
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}
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static void panelSelectionDidChange (id self, SEL, id sender)
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{
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// NB: would need to extend FilePreviewComponent to handle the full list rather than just the first one
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if (FilePreviewComponent* const previewComp = getFilePreviewComponent (self))
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previewComp->selectedFileChanged (File (getSelectedPaths (sender)[0]));
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}
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};
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static NSMutableArray* createAllowedTypesArray (const StringArray& filters)
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{
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if (filters.size() == 0)
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return nil;
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NSMutableArray* filterArray = [[[NSMutableArray alloc] init] autorelease];
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for (int i = 0; i < filters.size(); ++i)
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{
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const String f (filters[i].replace ("*.", ""));
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if (f == "*")
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return nil;
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[filterArray addObject: juceStringToNS (f)];
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}
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return filterArray;
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}
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//==============================================================================
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void FileChooser::showPlatformDialog (Array<File>& results,
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const String& title,
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const File& currentFileOrDirectory,
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const String& filter,
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bool selectsDirectory,
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bool selectsFiles,
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bool isSaveDialogue,
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bool /*warnAboutOverwritingExistingFiles*/,
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bool selectMultipleFiles,
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bool treatFilePackagesAsDirs,
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FilePreviewComponent* extraInfoComponent)
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{
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JUCE_AUTORELEASEPOOL
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{
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ScopedPointer<TemporaryMainMenuWithStandardCommands> tempMenu;
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if (JUCEApplicationBase::isStandaloneApp())
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tempMenu = new TemporaryMainMenuWithStandardCommands();
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StringArray* filters = new StringArray();
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filters->addTokens (filter.replaceCharacters (",:", ";;"), ";", String());
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filters->trim();
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filters->removeEmptyStrings();
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#if defined (MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
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typedef NSObject<NSOpenSavePanelDelegate> DelegateType;
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#else
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typedef NSObject DelegateType;
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#endif
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static FileChooserDelegateClass cls;
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DelegateType* delegate = (DelegateType*) [[cls.createInstance() init] autorelease];
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FileChooserDelegateClass::setFilters (delegate, filters);
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NSSavePanel* panel = isSaveDialogue ? [NSSavePanel savePanel]
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: [NSOpenPanel openPanel];
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[panel setTitle: juceStringToNS (title)];
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[panel setAllowedFileTypes: createAllowedTypesArray (*filters)];
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if (! isSaveDialogue)
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{
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NSOpenPanel* openPanel = (NSOpenPanel*) panel;
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[openPanel setCanChooseDirectories: selectsDirectory];
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[openPanel setCanChooseFiles: selectsFiles];
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[openPanel setAllowsMultipleSelection: selectMultipleFiles];
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[openPanel setResolvesAliases: YES];
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if (treatFilePackagesAsDirs)
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[openPanel setTreatsFilePackagesAsDirectories: YES];
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}
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if (extraInfoComponent != nullptr)
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{
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NSView* view = [[[NSView alloc] initWithFrame: makeNSRect (extraInfoComponent->getLocalBounds())] autorelease];
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extraInfoComponent->addToDesktop (0, (void*) view);
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extraInfoComponent->setVisible (true);
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FileChooserDelegateClass::setFilePreviewComponent (delegate, extraInfoComponent);
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[panel setAccessoryView: view];
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}
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[panel setDelegate: delegate];
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if (isSaveDialogue || selectsDirectory)
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[panel setCanCreateDirectories: YES];
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String directory, filename;
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if (currentFileOrDirectory.isDirectory())
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{
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directory = currentFileOrDirectory.getFullPathName();
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}
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else
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{
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directory = currentFileOrDirectory.getParentDirectory().getFullPathName();
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filename = currentFileOrDirectory.getFileName();
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}
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#if defined (MAC_OS_X_VERSION_10_6) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6)
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[panel setDirectoryURL: [NSURL fileURLWithPath: juceStringToNS (directory)]];
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[panel setNameFieldStringValue: juceStringToNS (filename)];
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if ([panel runModal] == 1 /*NSModalResponseOK*/)
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#else
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if ([panel runModalForDirectory: juceStringToNS (directory)
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file: juceStringToNS (filename)] == 1 /*NSModalResponseOK*/)
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#endif
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{
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if (isSaveDialogue)
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{
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results.add (File (nsStringToJuce ([[panel URL] path])));
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}
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else
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{
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NSOpenPanel* openPanel = (NSOpenPanel*) panel;
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NSArray* urls = [openPanel URLs];
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for (unsigned int i = 0; i < [urls count]; ++i)
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results.add (File (nsStringToJuce ([[urls objectAtIndex: i] path])));
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}
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}
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[panel setDelegate: nil];
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}
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}
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bool FileChooser::isPlatformDialogAvailable()
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{
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#if JUCE_DISABLE_NATIVE_FILECHOOSERS
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return false;
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#else
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return true;
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#endif
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}
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#else
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//==============================================================================
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bool FileChooser::isPlatformDialogAvailable()
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{
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return false;
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}
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void FileChooser::showPlatformDialog (Array<File>&,
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const String& /*title*/,
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const File& /*currentFileOrDirectory*/,
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const String& /*filter*/,
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bool /*selectsDirectory*/,
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bool /*selectsFiles*/,
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bool /*isSaveDialogue*/,
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bool /*warnAboutOverwritingExistingFiles*/,
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bool /*selectMultipleFiles*/,
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bool /*treatFilePackagesAsDirs*/,
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FilePreviewComponent*)
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{
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jassertfalse; //there's no such thing in iOS
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}
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#endif
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