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author | randomguy3 <randomguy3@7c02a99a-9b00-45e3-bf44-6f3dd7fddb64> | 2012-01-09 11:00:50 +0000 |
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committer | randomguy3 <randomguy3@7c02a99a-9b00-45e3-bf44-6f3dd7fddb64> | 2012-01-09 11:00:50 +0000 |
commit | a8a8dfb90d6a51ae369c042c95162f45754c7c4b (patch) | |
tree | 0e7a5f82febebe7129ebfb015f05b114064c39fd /tikzit/src/common/PickSupport.m | |
parent | e1cf0babff63e670e0d550b4072c22649a117fa7 (diff) |
Move tikzit into "trunk" directory
git-svn-id: https://tikzit.svn.sourceforge.net/svnroot/tikzit/trunk@365 7c02a99a-9b00-45e3-bf44-6f3dd7fddb64
Diffstat (limited to 'tikzit/src/common/PickSupport.m')
-rw-r--r-- | tikzit/src/common/PickSupport.m | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/tikzit/src/common/PickSupport.m b/tikzit/src/common/PickSupport.m new file mode 100644 index 0000000..5ea13c0 --- /dev/null +++ b/tikzit/src/common/PickSupport.m @@ -0,0 +1,171 @@ +// +// PickSupport.m +// TikZiT +// +// Copyright 2010 Aleks Kissinger. All rights reserved. +// +// +// This file is part of TikZiT. +// +// TikZiT is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// TikZiT is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with TikZiT. If not, see <http://www.gnu.org/licenses/>. +// + +#import "PickSupport.h" + + +@implementation PickSupport + +- (void) postNodeSelectionChanged { + [[NSNotificationCenter defaultCenter] + postNotificationName:@"NodeSelectionChanged" + object:self]; +} + +- (void) postEdgeSelectionChanged { + [[NSNotificationCenter defaultCenter] + postNotificationName:@"EdgeSelectionChanged" + object:self]; +} + +- (id) init { + self = [super init]; + + if (self) { + selectedNodes = [[NSMutableSet set] retain]; + selectedEdges = [[NSMutableSet set] retain]; + } + + return self; +} + ++ (PickSupport*)pickSupport { + return [[[PickSupport alloc] init] autorelease]; +} + +- (NSSet*)selectedNodes { return selectedNodes; } +- (NSSet*)selectedEdges { return selectedEdges; } + +- (BOOL)isNodeSelected:(Node*)nd { + return [selectedNodes containsObject:nd]; +} + +- (BOOL)isEdgeSelected:(Edge*)e { + return [selectedEdges containsObject:e]; +} + +- (void)selectNode:(Node*)nd { + if (nd != nil && ![selectedNodes member:nd]) { + [selectedNodes addObject:nd]; + [[NSNotificationCenter defaultCenter] + postNotificationName:@"NodeSelected" + object:self + userInfo:[NSDictionary dictionaryWithObject:nd forKey:@"node"]]; + [self postNodeSelectionChanged]; + } +} + +- (void)deselectNode:(Node*)nd { + if (nd != nil && [selectedNodes member:nd]) { + [selectedNodes removeObject:nd]; + [[NSNotificationCenter defaultCenter] + postNotificationName:@"NodeDeselected" + object:self + userInfo:[NSDictionary dictionaryWithObject:nd forKey:@"node"]]; + [self postNodeSelectionChanged]; + } +} + +- (void)selectEdge:(Edge*)e { + if (e != nil && ![selectedEdges member:e]) { + [selectedEdges addObject:e]; + [[NSNotificationCenter defaultCenter] + postNotificationName:@"EdgeSelected" + object:self + userInfo:[NSDictionary dictionaryWithObject:e forKey:@"edge"]]; + [self postEdgeSelectionChanged]; + } +} + +- (void)deselectEdge:(Edge*)e { + if (e != nil && [selectedEdges member:e]) { + [selectedEdges removeObject:e]; + [[NSNotificationCenter defaultCenter] + postNotificationName:@"EdgeDeselected" + object:self + userInfo:[NSDictionary dictionaryWithObject:e forKey:@"edge"]]; + [self postEdgeSelectionChanged]; + } +} + +- (void)toggleNodeSelected:(Node*)nd { + if ([self isNodeSelected:nd]) + [self deselectNode:nd]; + else + [self selectNode:nd]; +} + +- (void)selectAllNodes:(NSSet*)nodes { + [self selectAllNodes:nodes replacingSelection:YES]; +} + +- (void)selectAllNodes:(NSSet*)nodes replacingSelection:(BOOL)replace { + if (selectedNodes == nodes) { + return; + } + if (!replace && [nodes count] == 0) { + return; + } + + if (replace) { + [selectedNodes release]; + selectedNodes = [nodes mutableCopy]; + } else { + [selectedNodes unionSet:nodes]; + } + [[NSNotificationCenter defaultCenter] + postNotificationName:@"NodeSelectionReplaced" + object:self]; + [self postNodeSelectionChanged]; +} + +- (void)deselectAllNodes { + if ([selectedNodes count] > 0) { + [selectedNodes removeAllObjects]; + [[NSNotificationCenter defaultCenter] + postNotificationName:@"NodeSelectionReplaced" + object:self]; + [self postNodeSelectionChanged]; + } +} + +- (void)deselectAllEdges { + if ([selectedEdges count] > 0) { + [selectedEdges removeAllObjects]; + [[NSNotificationCenter defaultCenter] + postNotificationName:@"EdgeSelectionReplaced" + object:self]; + [self postEdgeSelectionChanged]; + } +} + +- (void)dealloc { + [selectedNodes release]; + [selectedEdges release]; + + [super dealloc]; +} + +@end + +// vi:ft=objc:ts=4:noet:sts=4:sw=4 |