#import <QuartzCore/QuartzCore.h>

#import "Demo1ViewController.h"

#import "GMGridView.h"

#import "OptionsViewController.h"

#define NUMBER_ITEMS_ON_LOAD 250

#define NUMBER_ITEMS_ON_LOAD2 30

#pragma mark -

#pragma mark ViewController (privates methods)

@interface Demo1ViewController () <GMGridViewDataSource, GMGridViewSortingDelegate, GMGridViewTransformationDelegate, GMGridViewActionDelegate>

{

__gm_weak GMGridView *_gmGridView;

UINavigationController *_optionsNav;

UIPopoverController *_optionsPopOver;

NSMutableArray *_data;

NSMutableArray *_data2;

__gm_weak NSMutableArray *_currentData;

NSInteger _lastDeleteItemIndexAsked;

}

- (void)addMoreItem;

- (void)removeItem;

- (void)refreshItem;

- (void)presentInfo;

- (void)presentOptions:(UIBarButtonItem *)barButton;

- (void)optionsDoneAction;

- (void)dataSetChange:(UISegmentedControl *)control;

#pragma mark -

#pragma mark ViewController implementation

@implementation Demo1ViewController

- (id)init

{

if ((self =[super init]))

{

self.title = @"Demo 1";

UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addMoreItem)];

UIBarButtonItem *space = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];

space.width = 10;

UIBarButtonItem *removeButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemTrash target:self action:@selector(removeItem)];

UIBarButtonItem *space2 = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];

space2.width = 10;

UIBarButtonItem *refreshButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(refreshItem)];

if ([self.navigationItem respondsToSelector:@selector(leftBarButtonItems)]) {

self.navigationItem.leftBarButtonItems = [NSArray arrayWithObjects:addButton, space, removeButton, space2, refreshButton, nil];

}else {

self.navigationItem.leftBarButtonItem = addButton;

}

UIBarButtonItem *optionsButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCompose target:self action:@selector(presentOptions:)];

if ([self.navigationItem respondsToSelector:@selector(rightBarButtonItems)]) {

self.navigationItem.rightBarButtonItems = [NSArray arrayWithObjects:optionsButton, nil];

}else {

self.navigationItem.rightBarButtonItem = optionsButton;

}

_data = [[NSMutableArray alloc] init];

for (int i = 0; i < NUMBER_ITEMS_ON_LOAD; i ++)

{

[_data addObject:[NSString stringWithFormat:@"A %d", i]];

}

_data2 = [[NSMutableArray alloc] init];

for (int i = 0; i < NUMBER_ITEMS_ON_LOAD2; i ++)

{

[_data2 addObject:[NSString stringWithFormat:@"B %d", i]];

}

_currentData = _data;

}

return self;

}

#pragma mark controller events

- (void)loadView

{

[super loadView];

self.view.backgroundColor = [UIColor whiteColor];

NSInteger spacing = INTERFACE_IS_PHONE ? 10 : 15;

GMGridView *gmGridView = [[GMGridView alloc] initWithFrame:self.view.bounds];

gmGridView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

gmGridView.backgroundColor = [UIColor clearColor];

[self.view addSubview:gmGridView];

_gmGridView = gmGridView;

_gmGridView.style = GMGridViewStyleSwap;

_gmGridView.itemSpacing = spacing;

_gmGridView.minEdgeInsets = UIEdgeInsetsMake(spacing, spacing, spacing, spacing);

_gmGridView.centerGrid = YES;

_gmGridView.actionDelegate = self;

_gmGridView.sortingDelegate = self;

_gmGridView.transformDelegate = self;

_gmGridView.dataSource = self;

UIButton *infoButton = [UIButton buttonWithType:UIButtonTypeInfoDark];

infoButton.frame = CGRectMake(self.view.bounds.size.width - 40,

self.view.bounds.size.height - 40,

40,

40);

infoButton.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin;

[infoButton addTarget:self action:@selector(presentInfo) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:infoButton];

UISegmentedControl *dataSegmentedControl = [[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:@"DataSet 1", @"DataSet 2", nil]];

[dataSegmentedControl sizeToFit];

dataSegmentedControl.frame = CGRectMake(5,

self.view.bounds.size.height - dataSegmentedControl.bounds.size.height - 5,

dataSegmentedControl.bounds.size.width,

dataSegmentedControl.bounds.size.height);

dataSegmentedControl.autoresizingMask = UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin;

dataSegmentedControl.tintColor = [UIColor greenColor];

dataSegmentedControl.selectedSegmentIndex = 0;

[dataSegmentedControl addTarget:self action:@selector(dataSetChange:) forControlEvents:UIControlEventValueChanged];

[self.view addSubview:dataSegmentedControl];

OptionsViewController *optionsController = [[OptionsViewController alloc] init];

optionsController.gridView = gmGridView;

optionsController.contentSizeForViewInPopover = CGSizeMake(400, 500);

_optionsNav = [[UINavigationController alloc] initWithRootViewController:optionsController];

if (INTERFACE_IS_PHONE)

{

UIBarButtonItem *doneButton = [[UIBarButtonItem alloc] initWithTitle:@"Done" style:UIBarButtonItemStyleDone target:self action:@selector(optionsDoneAction)];

optionsController.navigationItem.rightBarButtonItem = doneButton;

}

}

- (void)viewDidLoad

{

[super viewDidLoad];

_gmGridView.mainSuperView = self.navigationController.view; //[UIApplication sharedApplication].keyWindow.rootViewController.view;

}

- (void)viewDidUnload

{

[super viewDidUnload];

_gmGridView = nil;

}

- (void)viewDidAppear:(BOOL)animated

{

[super viewDidAppear:animated];

}

#pragma mark memory management

#pragma mark orientation management

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

return YES;

}

#pragma mark GMGridViewDataSource

- (NSInteger)numberOfItemsInGMGridView:(GMGridView *)gridView

{

return [_currentData count];

}

- (CGSize)GMGridView:(GMGridView *)gridView sizeForItemsInInterfaceOrientation:(UIInterfaceOrientation)orientation

{

if (INTERFACE_IS_PHONE)

{

if (UIInterfaceOrientationIsLandscape(orientation))

{

return CGSizeMake(170, 135);

}

else

{

return CGSizeMake(140, 110);

}

}

else

{

if (UIInterfaceOrientationIsLandscape(orientation))

{

return CGSizeMake(285, 205);

}

else

{

return CGSizeMake(230, 175);

}

}

}

- (GMGridViewCell *)GMGridView:(GMGridView *)gridView cellForItemAtIndex:(NSInteger)index

{

//NSLog(@"Creating view indx %d", index);

CGSize size = [self GMGridView:gridView sizeForItemsInInterfaceOrientation:[[UIApplication sharedApplication] statusBarOrientation]];

GMGridViewCell *cell = [gridView dequeueReusableCell];

if (!cell)

{

cell = [[GMGridViewCell alloc] init];

cell.deleteButtonIcon = [UIImage imageNamed:@"close_x.png"];

cell.deleteButtonOffset = CGPointMake(-15, -15);

UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, size.width, size.height)];

view.backgroundColor = [UIColor redColor];

view.layer.masksToBounds = NO;

view.layer.cornerRadius = 8;

cell.contentView = view;

}

[[cell.contentView subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];

UILabel *label = [[UILabel alloc] initWithFrame:cell.contentView.bounds];

label.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

label.text = (NSString *)[_currentData objectAtIndex:index];

label.textAlignment = UITextAlignmentCenter;

label.backgroundColor = [UIColor clearColor];

label.textColor = [UIColor blackColor];

label.highlightedTextColor = [UIColor whiteColor];

label.font = [UIFont boldSystemFontOfSize:20];

[cell.contentView addSubview:label];

return cell;

}

- (BOOL)GMGridView:(GMGridView *)gridView canDeleteItemAtIndex:(NSInteger)index

{

return YES; //index % 2 == 0;

}

#pragma mark GMGridViewActionDelegate

- (void)GMGridView:(GMGridView *)gridView didTapOnItemAtIndex:(NSInteger)position

{

NSLog(@"Did tap at index %d", position);

}

- (void)GMGridViewDidTapOnEmptySpace:(GMGridView *)gridView

{

NSLog(@"Tap on empty space");

}

- (void)GMGridView:(GMGridView *)gridView processDeleteActionForItemAtIndex:(NSInteger)index

{

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Confirm" message:@"Are you sure you want to delete this item?" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"Delete", nil];

[alert show];

_lastDeleteItemIndexAsked = index;

}

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex

{

if (buttonIndex == 1)

{

[_currentData removeObjectAtIndex:_lastDeleteItemIndexAsked];

[_gmGridView removeObjectAtIndex:_lastDeleteItemIndexAsked withAnimation:GMGridViewItemAnimationFade];

}

}

#pragma mark GMGridViewSortingDelegate

- (void)GMGridView:(GMGridView *)gridView didStartMovingCell:(GMGridViewCell *)cell

{

[UIView animateWithDuration:0.3

delay:0

options:UIViewAnimationOptionAllowUserInteraction

animations:^{

cell.contentView.backgroundColor = [UIColor orangeColor];

cell.contentView.layer.shadowOpacity = 0.7;

}

completion:nil

];

}

- (void)GMGridView:(GMGridView *)gridView didEndMovingCell:(GMGridViewCell *)cell

{

[UIView animateWithDuration:0.3

delay:0

options:UIViewAnimationOptionAllowUserInteraction

animations:^{

cell.contentView.backgroundColor = [UIColor redColor];

cell.contentView.layer.shadowOpacity = 0;

}

completion:nil

];

}

- (BOOL)GMGridView:(GMGridView *)gridView shouldAllowShakingBehaviorWhenMovingCell:(GMGridViewCell *)cell atIndex:(NSInteger)index

{

return YES;

}

- (void)GMGridView:(GMGridView *)gridView moveItemAtIndex:(NSInteger)oldIndex toIndex:(NSInteger)newIndex

{

NSObject *object = [_currentData objectAtIndex:oldIndex];

[_currentData removeObject:object];

[_currentData insertObject:object atIndex:newIndex];

}

- (void)GMGridView:(GMGridView *)gridView exchangeItemAtIndex:(NSInteger)index1 withItemAtIndex:(NSInteger)index2

{

[_currentData exchangeObjectAtIndex:index1 withObjectAtIndex:index2];

}

#pragma mark DraggableGridViewTransformingDelegate

- (CGSize)GMGridView:(GMGridView *)gridView sizeInFullSizeForCell:(GMGridViewCell *)cell atIndex:(NSInteger)index inInterfaceOrientation:(UIInterfaceOrientation)orientation

{

if (INTERFACE_IS_PHONE)

{

if (UIInterfaceOrientationIsLandscape(orientation))

{

return CGSizeMake(320, 210);

}

else

{

return CGSizeMake(300, 310);

}

}

else

{

if (UIInterfaceOrientationIsLandscape(orientation))

{

return CGSizeMake(700, 530);

}

else

{

return CGSizeMake(600, 500);

}

}

}

- (UIView *)GMGridView:(GMGridView *)gridView fullSizeViewForCell:(GMGridViewCell *)cell atIndex:(NSInteger)index

{

UIView *fullView = [[UIView alloc] init];

fullView.backgroundColor = [UIColor yellowColor];

fullView.layer.masksToBounds = NO;

fullView.layer.cornerRadius = 8;

CGSize size = [self GMGridView:gridView sizeInFullSizeForCell:cell atIndex:index inInterfaceOrientation:[[UIApplication sharedApplication] statusBarOrientation]];

fullView.bounds = CGRectMake(0, 0, size.width, size.height);

UILabel *label = [[UILabel alloc] initWithFrame:fullView.bounds];

label.text = [NSString stringWithFormat:@"Fullscreen View for cell at index %d", index];

label.textAlignment = UITextAlignmentCenter;

label.backgroundColor = [UIColor clearColor];

label.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

if (INTERFACE_IS_PHONE)

{

label.font = [UIFont boldSystemFontOfSize:15];

}

else

{

label.font = [UIFont boldSystemFontOfSize:20];

}

[fullView addSubview:label];

return fullView;

}

- (void)GMGridView:(GMGridView *)gridView didStartTransformingCell:(GMGridViewCell *)cell

{

[UIView animateWithDuration:0.5

delay:0

options:UIViewAnimationOptionAllowUserInteraction

animations:^{

cell.contentView.backgroundColor = [UIColor blueColor];

cell.contentView.layer.shadowOpacity = 0.7;

}

completion:nil];

}

- (void)GMGridView:(GMGridView *)gridView didEndTransformingCell:(GMGridViewCell *)cell

{

[UIView animateWithDuration:0.5

delay:0

options:UIViewAnimationOptionAllowUserInteraction

animations:^{

cell.contentView.backgroundColor = [UIColor redColor];

cell.contentView.layer.shadowOpacity = 0;

}

completion:nil];

}

- (void)GMGridView:(GMGridView *)gridView didEnterFullSizeForCell:(UIView *)cell

{

}

#pragma mark private methods

- (void)addMoreItem

{

// Example: adding object at the last position

NSString *newItem = [NSString stringWithFormat:@"%d", (int)(arc4random() % 1000)];

[_currentData addObject:newItem];

[_gmGridView insertObjectAtIndex:[_currentData count] - 1 withAnimation:GMGridViewItemAnimationFade | GMGridViewItemAnimationScroll];

}

- (void)removeItem

{

// Example: removing last item

if ([_currentData count] > 0)

{

NSInteger index = [_currentData count] - 1;

[_gmGridView removeObjectAtIndex:index withAnimation:GMGridViewItemAnimationFade | GMGridViewItemAnimationScroll];

[_currentData removeObjectAtIndex:index];

}

}

- (void)refreshItem

{

// Example: reloading last item

if ([_currentData count] > 0)

{

int index = [_currentData count] - 1;

NSString *newMessage = [NSString stringWithFormat:@"%d", (arc4random() % 1000)];

[_currentData replaceObjectAtIndex:index withObject:newMessage];

[_gmGridView reloadObjectAtIndex:index withAnimation:GMGridViewItemAnimationFade | GMGridViewItemAnimationScroll];

}

}

- (void)presentInfo

{

NSString *info = @"Long-press an item and its color will change; letting you know that you can now move it around. \n\nUsing two fingers, pinch/drag/rotate an item; zoom it enough and you will enter the fullsize mode";

UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Info"

message:info

delegate:nil

cancelButtonTitle:@"OK"

otherButtonTitles:nil];

[alertView show];

}

- (void)dataSetChange:(UISegmentedControl *)control

{

_currentData = ([control selectedSegmentIndex] == 0) ? _data : _data2;

[_gmGridView reloadData];

}

- (void)presentOptions:(UIBarButtonItem *)barButton

{

if (INTERFACE_IS_PHONE)

{

[self presentModalViewController:_optionsNav animated:YES];

}

else

{

if(![_optionsPopOver isPopoverVisible])

{

if (!_optionsPopOver)

{

_optionsPopOver = [[UIPopoverController alloc] initWithContentViewController:_optionsNav];

}

[_optionsPopOver presentPopoverFromBarButtonItem:barButton permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];

}

else

{

[self optionsDoneAction];

}

}

}

- (void)optionsDoneAction

{

if (INTERFACE_IS_PHONE)

{

[self dismissModalViewControllerAnimated:YES];

}

else

{

[_optionsPopOver dismissPopoverAnimated:YES];

}

}