Skip to content
Navigation Menu
{{ message }}
forked from nmattisson/DropdownMenu
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathDropdownMenuController.m
More file actions
executable file
·278 lines (219 loc) · 8.93 KB
/
Copy pathDropdownMenuController.m
File metadata and controls
executable file
·278 lines (219 loc) · 8.93 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
/*
* Copyright (c) 2013 Nils Mattisson, Martin Hartl
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#import "DropdownMenuController.h"
#import "DropdownMenuSegue.h"
#define SYSTEM_VERSION_LESS_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
@interface DropdownMenuController()
- (void)iOS6_hideMenuCompleted;
@end
@implementation DropdownMenuController {
bool shouldDisplayDropShape;
float fadeAlpha;
float trianglePlacement;
}
CAShapeLayer *openMenuShape;
CAShapeLayer *closedMenuShape;
- (void)viewDidLoad {
[super viewDidLoad];
shouldDisplayDropShape = YES;
fadeAlpha = 0.5f;
trianglePlacement = 0.87f;
}
- (void) viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
// Set the current view controller to the one embedded (in the storyboard).
self.currentViewController = self.childViewControllers.firstObject;
// Draw the shapes for the open and close menu triangle.
[self drawOpenLayer];
[self drawClosedLayer];
}
//Enables/Disables the 'drop' triangle from displaying when down
- (void) dropShapeShouldShowWhenOpen:(BOOL)shouldShow {
shouldDisplayDropShape = shouldShow;
}
//Sets the color that background content will fade to when the menu is open
- (void) setFadeTintWithColor:(UIColor *) color {
self.view.backgroundColor = color;
}
//Sets the amount of fade that should be applied to background content when menu is open
- (void) setFadeAmountWithAlpha:(float) alphaVal {
fadeAlpha = alphaVal;
}
- (void) setTrianglePlacement: (float) trianglePlacementVal {
trianglePlacement = trianglePlacementVal;
}
- (void) setMenubarTitle:(NSString *) menubarTitle {
self.titleLabel.text = menubarTitle;
}
- (void) setMenubarBackground:(UIColor *) color {
self.menubar.backgroundColor = color;
}
- (IBAction) menuButtonAction: (UIButton *) sender {
[self toggleMenu];
}
- (IBAction) listButtonAction: (UIButton *) sender {
[self hideMenu];
}
- (void) toggleMenu {
if(self.menu.hidden) {
[self showMenu];
} else {
[self hideMenu];
}
}
- (void) showMenu {
self.menu.hidden = NO;
[closedMenuShape removeFromSuperlayer];
if (shouldDisplayDropShape)
{
[[[self view] layer] addSublayer:openMenuShape];
}
// Set new origin of menu
CGRect menuFrame = self.menu.frame;
menuFrame.origin.y = self.menubar.frame.size.height;
// Set new alpha of Container View (to get fade effect)
float containerAlpha = fadeAlpha;
if (SYSTEM_VERSION_LESS_THAN(@"7.0")) {
[UIView beginAnimations:nil context:nil];
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
self.menu.frame = menuFrame;
[self.container setAlpha:containerAlpha];
} else {
[UIView animateWithDuration:0.4
delay:0.0
usingSpringWithDamping:1.0
initialSpringVelocity:4.0
options: UIViewAnimationOptionCurveEaseInOut
animations:^{
self.menu.frame = menuFrame;
[self.container setAlpha: containerAlpha];
}
completion:^(BOOL finished){
}];
}
[UIView commitAnimations];
}
- (void) hideMenu {
// Set the border layer to hidden menu state
[openMenuShape removeFromSuperlayer];
[[[self view] layer] addSublayer:closedMenuShape];
// Set new origin of menu
CGRect menuFrame = self.menu.frame;
menuFrame.origin.y = self.menubar.frame.size.height-menuFrame.size.height;
// Set new alpha of Container View (to get fade effect)
float containerAlpha = 1.0f;
if (SYSTEM_VERSION_LESS_THAN(@"7.0")) {
[UIView beginAnimations:nil context:nil];
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
[UIView setAnimationDelegate:self];
[UIView setAnimationDidStopSelector:@selector(iOS6_hideMenuCompleted)];
self.menu.frame = menuFrame;
[self.container setAlpha:containerAlpha];
} else {
[UIView animateWithDuration:0.3f
delay:0.05f
usingSpringWithDamping:1.0
initialSpringVelocity:4.0
options: UIViewAnimationOptionCurveEaseInOut
animations:^{
self.menu.frame = menuFrame;
[self.container setAlpha: containerAlpha];
}
completion:^(BOOL finished){
self.menu.hidden = YES;
}];
}
[UIView commitAnimations];
}
- (void)iOS6_hideMenuCompleted {
self.menu.hidden = YES;
}
- (void) drawOpenLayer {
openMenuShape = [CAShapeLayer layer];
// Constants to ease drawing the border and the stroke.
int height = self.menubar.frame.size.height;
int width = self.menubar.frame.size.width;
int triangleDirection = 1; // 1 for down, -1 for up.
int triangleSize = 8;
int trianglePosition = trianglePlacement*width;
// The path for the triangle (showing that the menu is open).
UIBezierPath *triangleShape = [[UIBezierPath alloc] init];
[triangleShape moveToPoint:CGPointMake(trianglePosition, height)];
[triangleShape addLineToPoint:CGPointMake(trianglePosition+triangleSize, height+triangleDirection*triangleSize)];
[triangleShape addLineToPoint:CGPointMake(trianglePosition+2*triangleSize, height)];
[triangleShape addLineToPoint:CGPointMake(trianglePosition, height)];
[openMenuShape setPath:triangleShape.CGPath];
[openMenuShape setFillColor:[self.menubar.backgroundColor CGColor]];
//[openMenuShape setFillColor:[self.menu.backgroundColor CGColor]];
UIBezierPath *borderPath = [[UIBezierPath alloc] init];
[borderPath moveToPoint:CGPointMake(0, height)];
[borderPath addLineToPoint:CGPointMake(trianglePosition, height)];
[borderPath addLineToPoint:CGPointMake(trianglePosition+triangleSize, height+triangleDirection*triangleSize)];
[borderPath addLineToPoint:CGPointMake(trianglePosition+2*triangleSize, height)];
[borderPath addLineToPoint:CGPointMake(width, height)];
[openMenuShape setPath:borderPath.CGPath];
[openMenuShape setStrokeColor:[[UIColor whiteColor] CGColor]];
[openMenuShape setBounds:CGRectMake(0.0f, 0.0f, height+triangleSize, width)];
[openMenuShape setAnchorPoint:CGPointMake(0.0f, 0.0f)];
[openMenuShape setPosition:CGPointMake(0.0f, 0.0f)];
}
- (void) drawClosedLayer {
closedMenuShape = [CAShapeLayer layer];
// Constants to ease drawing the border and the stroke.
int height = self.menubar.frame.size.height;
int width = self.menubar.frame.size.width;
// The path for the border (just a straight line)
UIBezierPath *borderPath = [[UIBezierPath alloc] init];
[borderPath moveToPoint:CGPointMake(0, height)];
[borderPath addLineToPoint:CGPointMake(width, height)];
[closedMenuShape setPath:borderPath.CGPath];
[closedMenuShape setStrokeColor:[[UIColor whiteColor] CGColor]];
[closedMenuShape setBounds:CGRectMake(0.0f, 0.0f, height, width)];
[closedMenuShape setAnchorPoint:CGPointMake(0.0f, 0.0f)];
[closedMenuShape setPosition:CGPointMake(0.0f, 0.0f)];
}
- (IBAction)displayGestureForTapRecognizer:(UITapGestureRecognizer *)recognizer {
// Get the location of the gesture
CGPoint tapLocation = [recognizer locationInView:self.view];
// NSLog(@"Tap location X:%1.0f, Y:%1.0f", tapLocation.x, tapLocation.y);
// If menu is open, and the tap is outside of the menu, close it.
if (!CGRectContainsPoint(self.menu.frame, tapLocation) && !self.menu.hidden) {
[self hideMenu];
}
}
#pragma mark - Segue
-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
self.currentSegueIdentifier = segue.identifier;
[super prepareForSegue:segue sender:sender];
}
- (BOOL)shouldPerformSegueWithIdentifier:(NSString *)identifier sender:(id)sender {
if ([self.currentSegueIdentifier isEqual:identifier]) {
//Dont perform segue, if visible ViewController is already the destination ViewController
return NO;
}
return YES;
}
#pragma mark - Memory Warning
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
@end
You can’t perform that action at this time.