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//
// PhotoWall.m
// PhotoDemo
//
// Created by Harry on 12-12-6.
// Copyright (c) 2012年 Harry. All rights reserved.
//
#import "HGPhotoWall.h"
#import "HGPhoto.h"
@interface HGPhotoWall() <HGPhotoDelegate>
@property (strong, nonatomic) UILabel *labelDescription;
@property (strong, nonatomic) NSMutableArray *arrayPositions;
@property (strong, nonatomic) NSMutableArray *arrayPhotos;
@property (nonatomic) BOOL isEditModel;
@end
#define kImagCount 3
#define kPadding (20.0 / 320.0 * self.width)/(kImagCount + 1)
#define kImagWH ((self.width - (kImagCount + 1.0) * kPadding) / kImagCount)
#define kFrameHeight 95.
#define kFrameHeight2x 175.
#define kImagePositionx @"positionx"
#define kImagePositiony @"positiony"
@implementation HGPhotoWall
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];//CGRectMake(0., 0., 320., 0.)];
if (self) {
self.backgroundColor = [UIColor darkGrayColor];
self.arrayPositions = [NSMutableArray arrayWithCapacity:1];
self.arrayPhotos = [NSMutableArray arrayWithCapacity:1];
self.labelDescription = [[UILabel alloc] initWithFrame:CGRectMake(10., 0., 300., 18.)];
self.labelDescription.backgroundColor = [UIColor clearColor];
self.labelDescription.textColor = [UIColor whiteColor];
self.labelDescription.font = [UIFont systemFontOfSize:12.];
self.labelDescription.textAlignment = NSTextAlignmentLeft;
[self addSubview:self.labelDescription];
self.labelDescription.hidden = YES;
self.labelDescription.text = @"拖拽图片可以排列顺序, 点击添加照片.";
}
return self;
}
- (void)layoutSubviews {
[super layoutSubviews];
}
- (void)setPhotos:(NSArray*)photos
{
NSInteger col = photos.count % kImagCount; //列
NSInteger row = photos.count / kImagCount;//行
CGFloat x,y;
for (int irow = 0; irow < row + 1; irow ++) {
y = 15.0 / 568 * self.height + kImagWH * irow + irow * kPadding;
if (irow < row ) {
for (int jcol = 0; jcol < kImagCount; jcol ++) {
x = kPadding * (jcol + 1) + kImagWH * jcol;
[self.arrayPositions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSString stringWithFormat:@"%f",x],kImagePositionx,[NSString stringWithFormat:@"%f",y],kImagePositiony, nil] ];
}
}
else {
for (int jcol = 0; jcol < col+1; jcol ++) {//col+1 表示多加的add按钮的位置
x = kPadding * (jcol + 1) + kImagWH * jcol;
[self.arrayPositions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSString stringWithFormat:@"%f",x],kImagePositionx,[NSString stringWithFormat:@"%f",y],kImagePositiony, nil] ];
}
}
}
[self.arrayPhotos removeAllObjects];
NSUInteger count = [photos count];
for (int i=0; i<count; i++) {
NSDictionary *dictionaryTemp = [self.arrayPositions objectAtIndex:i];
CGFloat originx = [[dictionaryTemp objectForKey:kImagePositionx] floatValue];
CGFloat originy = [[dictionaryTemp objectForKey:kImagePositiony] floatValue];
HGPhoto *photoTemp = [[HGPhoto alloc]initWithOrigin:CGPointMake(originx, originy) andLength:kImagWH];//[[HGPhoto alloc] initWithOrigin:CGPointMake(originx, originy)];
photoTemp.delegate = self;
[photoTemp setPhotoImg:[photos objectAtIndex:i]];
[self addSubview:photoTemp];
[self.arrayPhotos addObject:photoTemp];
}
NSDictionary *dictionaryTemp = [self.arrayPositions objectAtIndex:count];
CGFloat originx = [[dictionaryTemp objectForKey:kImagePositionx] floatValue];
CGFloat originy = [[dictionaryTemp objectForKey:kImagePositiony] floatValue];
HGPhoto *photoTemp = [[HGPhoto alloc]initWithOrigin:CGPointMake(originx, originy) andLength:kImagWH];//[[HGPhoto alloc] initWithOrigin:CGPointMake(originx, originy)];
photoTemp.delegate = self;
photoTemp.hidden = YES;
[photoTemp setPhotoType:PhotoTypeAdd];
[self.arrayPhotos addObject:photoTemp];
[self addSubview:photoTemp];
CGFloat frameHeight = -1;
if (count > kImagCount) {
frameHeight = kFrameHeight2x;
} else {
frameHeight = kFrameHeight;
}
//self.frame = CGRectMake(0., 0., 320., frameHeight);
}
- (void)setEditModel:(BOOL)canEdit
{
self.isEditModel = canEdit;
if (self.isEditModel) {
HGPhoto *viewTemp = [self.arrayPhotos lastObject];
viewTemp.hidden = NO;
self.labelDescription.hidden = NO;
} else {
HGPhoto *viewTemp = [self.arrayPhotos lastObject];
viewTemp.hidden = YES;
self.labelDescription.hidden = YES;
}
NSUInteger count = [self.arrayPhotos count]-1;
for (int i=0; i<count; i++) {
HGPhoto *viewTemp = [self.arrayPhotos objectAtIndex:i];
[viewTemp setEditModel:self.isEditModel];
}
[self reloadPhotos:NO];
}
- (void)addPhoto:(NSString*)string
{
NSInteger col = _arrayPositions.count % kImagCount;
NSInteger row = _arrayPositions.count / kImagCount;
CGFloat x,y;
x = kPadding * (col + 1) + kImagCount * col;
y = 15.0 / 568 * self.height + kImagWH * row + row * kPadding ;
[self.arrayPositions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSString stringWithFormat:@"%f",x],kImagePositionx,[NSString stringWithFormat:@"%f",y],kImagePositiony, nil] ];
NSUInteger index = [self.arrayPhotos count] - 1;
NSDictionary *dictionaryTemp = [self.arrayPositions objectAtIndex:index ];
CGFloat originx = [[dictionaryTemp objectForKey:kImagePositionx] floatValue];
CGFloat originy = [[dictionaryTemp objectForKey:kImagePositiony] floatValue];
HGPhoto *photoTemp = [[HGPhoto alloc]initWithOrigin:CGPointMake(originx, originy) andLength:kImagWH];//[[HGPhoto alloc] initWithOrigin:CGPointMake(originx, originy)];
photoTemp.delegate = self;
[photoTemp setPhotoUrl:string];
[self.arrayPhotos insertObject:photoTemp atIndex:index];
[self addSubview:photoTemp];
[self reloadPhotos:YES];
}
#pragma 通过获取相册里面的图片资源来
- (void)addPhotoImg: (UIImage *)img {
NSInteger col = _arrayPositions.count % kImagCount;
NSInteger row = _arrayPositions.count / kImagCount;
CGFloat x,y;
// NSLog(@"%lf, %lf",kPadding,kImagWH);
x = kPadding * (col + 1) + kImagWH * col;
y = 15.0 / 568 * self.height + kImagWH * row + kPadding * row;
[self.arrayPositions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSString stringWithFormat:@"%f",x],kImagePositionx,[NSString stringWithFormat:@"%f",y],kImagePositiony, nil] ];
NSUInteger index = [self.arrayPhotos count] - 1;
NSDictionary *dictionaryTemp = [self.arrayPositions objectAtIndex:index ];
CGFloat originx = [[dictionaryTemp objectForKey:kImagePositionx] floatValue];
CGFloat originy = [[dictionaryTemp objectForKey:kImagePositiony] floatValue];
HGPhoto *photoTemp = [[HGPhoto alloc]initWithOrigin:CGPointMake(originx, originy) andLength:kImagWH];//[[HGPhoto alloc] initWithOrigin:CGPointMake(originx, originy)];
photoTemp.delegate = self;
[photoTemp setPhotoImg:img];
[self.arrayPhotos insertObject:photoTemp atIndex:index];
[self addSubview:photoTemp];
[self reloadPhotos:YES];
}
- (void)deletePhotoByIndex:(NSUInteger)index
{
[_arrayPositions removeLastObject];
HGPhoto *photoTemp = [self.arrayPhotos objectAtIndex:index];
[self.arrayPhotos removeObject:photoTemp];
[photoTemp removeFromSuperview];
[self reloadPhotos:YES];
}
#pragma mark - Photo
- (void)photoTaped:(HGPhoto *)photo
{
NSUInteger type = [photo getPhotoType];
if (type == PhotoTypeAdd) {
// if ([self.delegate respondsToSelector:@selector(photoWallAddAction)]) {
// [self.delegate photoWallAddAction];
// }
if ([self.delegate respondsToSelector:@selector(photowallChoosePhontoes)]) {
[self.delegate photowallChoosePhontoes];
}
} else if (type == PhotoTypePhoto) {
NSUInteger index = [self.arrayPhotos indexOfObject:photo];
if ([self.delegate respondsToSelector:@selector(photoWallPhotoTaped:)]) {
[self.delegate photoWallPhotoTaped:photo];
//[self.delegate photoWallPhotoDel:index];
}
}
}
- (void)photoDel:(HGPhoto *)photo {
NSUInteger type = [photo getPhotoType];
if (type == PhotoTypePhoto) {
NSUInteger index = [self.arrayPhotos indexOfObject:photo];
[self.delegate photoWallPhotoDel:index];
}
}
//- (void)photoDel:(HGPhoto *)photo {
// NSUInteger type = [photo getPhotoType];
// if (type == PhotoTypePhoto) {
// NSUInteger index = [self.arrayPhotos indexOfObject:photo];
// [self.delegate ph]
// }
//}
- (void)photoMoveFinished:(HGPhoto*)photo
{
CGPoint pointPhoto = CGPointMake(photo.frame.origin.x, photo.frame.origin.y);
CGFloat space = -1;
NSUInteger oldIndex = [self.arrayPhotos indexOfObject:photo];
NSUInteger newIndex = -1;
NSUInteger count = [self.arrayPhotos count] - 1;
for (int i=0; i<count; i++) {
NSDictionary *dictionaryTemp = [self.arrayPositions objectAtIndex:i];
CGFloat originx = [[dictionaryTemp objectForKey:kImagePositionx] floatValue];
CGFloat originy = [[dictionaryTemp objectForKey:kImagePositiony] floatValue];
CGPoint pointTemp = CGPointMake(originx, originy);
CGFloat spaceTemp = [self spaceToPoint:pointPhoto FromPoint:pointTemp];
if (space < 0) {
space = spaceTemp;
newIndex = i;
} else {
if (spaceTemp < space) {
space = spaceTemp;
newIndex = i;
}
}
}
[self.arrayPhotos removeObject:photo];
[self.arrayPhotos insertObject:photo atIndex:newIndex];
[self reloadPhotos:NO];
if ([self.delegate respondsToSelector:@selector(photoWallMovePhotoFromIndex:toIndex:)]) {
[self.delegate photoWallMovePhotoFromIndex:oldIndex toIndex:newIndex];
}
}
- (void)reloadPhotos:(BOOL)add
{
NSUInteger count = -1;
if (add) {
count = [self.arrayPhotos count];
} else {
count = [self.arrayPhotos count] - 1;
}
for (int i=0; i<count; i++) {
NSDictionary *dictionaryTemp = [self.arrayPositions objectAtIndex:i];
CGFloat originx = [[dictionaryTemp objectForKey:kImagePositionx] floatValue];
CGFloat originy = [[dictionaryTemp objectForKey:kImagePositiony] floatValue];
//修正第一个图片位置错误
if (i == 0 && count > 1) {
NSDictionary *dictionaryTemp = [self.arrayPositions objectAtIndex:1];
originy = [[dictionaryTemp objectForKey:kImagePositiony] floatValue];
}
HGPhoto *photoTemp = [self.arrayPhotos objectAtIndex:i];
[photoTemp moveToPosition:CGPointMake(originx, originy)];
NSLog(@"x=%f,y=%f",originx, originy);
}
CGFloat frameHeight = -1;
NSUInteger countPhoto = [self.arrayPhotos count];
if (self.isEditModel) {
if (countPhoto > kImagCount) {
frameHeight = kFrameHeight2x + 20.;
} else {
frameHeight = kFrameHeight + 20.;
}
self.labelDescription.frame = CGRectMake(self.labelDescription.frame.origin.x, frameHeight - 20., self.labelDescription.frame.size.width, self.labelDescription.frame.size.height);
} else {
if (countPhoto > 5) {
frameHeight = kFrameHeight2x;
} else {
frameHeight = kFrameHeight;
}
}
// self.frame = CGRectMake(0., 0., 320., frameHeight);
}
- (CGFloat)spaceToPoint:(CGPoint)point FromPoint:(CGPoint)otherPoint
{
float x = point.x - otherPoint.x;
float y = point.y - otherPoint.y;
return sqrt(x * x + y * y);
}
@end