60 lines
1.8 KiB
Objective-C
60 lines
1.8 KiB
Objective-C
// Copyright (c) Akop Karapetyan
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "FBDropFileScrollView.h"
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@implementation FBDropFileScrollView
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- (id) initWithCoder:(NSCoder *) coder
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{
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if ((self = [super initWithCoder:coder]) != nil) {
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[self registerForDraggedTypes:@[NSFilenamesPboardType]];
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}
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return self;
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}
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#pragma mark - Drag & Drop
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- (BOOL) prepareForDragOperation:(id<NSDraggingInfo>) sender
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{
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return [sender.draggingPasteboard.types containsObject:NSFilenamesPboardType];
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}
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- (BOOL) performDragOperation:(id<NSDraggingInfo>) sender
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{
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if ([_delegate respondsToSelector:@selector(dropDidComplete:)])
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[_delegate dropDidComplete:[sender.draggingPasteboard propertyListForType:NSFilenamesPboardType]];
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return YES;
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}
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- (NSDragOperation) draggingEntered:(id <NSDraggingInfo>) sender
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{
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if (sender.draggingSourceOperationMask & NSDragOperationCopy) {
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NSPasteboard *pb = sender.draggingPasteboard;
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if ([pb.types containsObject:NSFilenamesPboardType]) {
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if (![_delegate respondsToSelector:@selector(isDropAcceptable:)]
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|| [_delegate isDropAcceptable:[pb propertyListForType:NSFilenamesPboardType]])
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return NSDragOperationCopy;
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}
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}
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return NSDragOperationNone;
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}
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- (void) draggingExited:(id<NSDraggingInfo>) sender
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{
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}
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@end
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