MacOS 的坐标系不同于iOS
IOS 原点在屏幕左上角
MacOS原点在左下角
开始创建项目
启动 Xcode
选择 创建新项目
顶部 选择macOS
Application 下 选择 Cooca App
WX20190527-171503@2x.png
点击next，保留默认勾选
WX20190527-171536@2x.png
点击next，初始目录结构如下
WX20190527-171836@2x.png
完成项目创建
创建一个NSTableView代码如下：
//
// ViewController.m
// DWBmacDemo
//
// Created by 潮汐 on 2019/5/27.
// Copyright © 2019 潮汐科技有限公司. All rights reserved.
//
#import "ViewController.h"
@interface ViewController()<NSTableViewDataSource,NSTableViewDelegate>
{
NSScrollView *_tableContainerView;
NSMutableArray *_dataSourceArray;
NSTextField *_scrollTF;
NSButton *_deleteBtn;
NSButton *_addBtn;
NSInteger _selectedRowNum;
}
@property (nonatomic) NSTableView *tableView;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
[self crewateUI];
}
-(void)crewateUI{
//虚拟的dataSource
_dataSourceArray = [[NSMutableArray alloc] initWithObjects:@"0",@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9", nil];
_selectedRowNum = -1;
//删除按钮
_deleteBtn = [[NSButton alloc] initWithFrame:CGRectMake(415, 250, 70, 25)];
_deleteBtn.title = @"删除选中行";
_deleteBtn.wantsLayer = YES;
_deleteBtn.layer.cornerRadius = 3.0f;
_deleteBtn.layer.borderColor = [NSColor lightGrayColor].CGColor;
[_deleteBtn setTarget:self];
_deleteBtn.action = @selector(deleteTheSelectedRow);
[self.view addSubview:_deleteBtn];
//添加按钮
_addBtn = [[NSButton alloc] initWithFrame:CGRectMake(415, 170, 70, 25)];
_addBtn.title = @"上面添一行";
_addBtn.wantsLayer = YES;
_addBtn.layer.cornerRadius = 3.0f;
_addBtn.layer.borderColor = [NSColor lightGrayColor].CGColor;
[_addBtn setTarget:self];
_addBtn.action = @selector(addRowUnderTheSelectedRow);
[self.view addSubview:_addBtn];
//滚动显示的TF
_scrollTF = [[NSTextField alloc] initWithFrame:CGRectMake(415, 90, 80, 15)];
_scrollTF.stringValue = @"滚动 0.0";
_scrollTF.font = [NSFont systemFontOfSize:15.0f];
_scrollTF.textColor = [NSColor blackColor];
_scrollTF.drawsBackground = NO;
_scrollTF.bordered = NO;
_scrollTF.focusRingType = NSFocusRingTypeNone;
_scrollTF.editable = NO;
[self.view addSubview:_scrollTF];
//tableView
_tableContainerView = [[NSScrollView alloc] initWithFrame:CGRectMake(0, 0, 400, 309)];
_tableView = [[NSTableView alloc] initWithFrame:CGRectMake(0, 20,
_tableContainerView.frame.size.width-20,
_tableContainerView.frame.size.height)];
[_tableView setBackgroundColor:[NSColor colorWithCalibratedRed:220.0/255 green:220.0/255 blue:220.0/255 alpha:1.0]];
_tableView.focusRingType = NSFocusRingTypeNone; //tableview获得焦点时的风格
_tableView.selectionHighlightStyle = NSTableViewSelectionHighlightStyleRegular;//行高亮的风格
_tableView.headerView.frame = NSZeroRect; //表头
_tableView.delegate = self;
_tableView.dataSource = self;
// 第一列
NSTableColumn * column1 = [[NSTableColumn alloc] initWithIdentifier:@"firstColumn"];
[column1 setWidth:200];
[_tableView addTableColumn:column1];//第一列
// 第二列
NSTableColumn * column2 = [[NSTableColumn alloc] initWithIdentifier:@"secondColumn"];
[column2 setWidth:200];
[_tableView addTableColumn:column2];//第二列
[_tableContainerView setDocumentView:_tableView];
[_tableContainerView setDrawsBackground:NO]; //不画背景（背景默认画成白色）
[_tableContainerView setHasVerticalScroller:YES]; //有垂直滚动条
//[_tableContainer setHasHorizontalScroller:YES]; //有水平滚动条
_tableContainerView.autohidesScrollers = YES; //自动隐藏滚动条（滚动的时候出现）
[self.view addSubview:_tableContainerView];
//监测tableview滚动
[[NSNotificationCenter defaultCenter]addObserver:self
selector:@selector(tableviewDidScroll:)
name:NSViewBoundsDidChangeNotification
object:[[_tableView enclosingScrollView] contentView]];
}
#pragma mark - NSTableViewDataSource,NSTableViewDelegate
#pragma mark -required methods
- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView
{
return _dataSourceArray.count;
}
//这个方法虽然不返回什么东西，但是必须实现，不实现可能会出问题－比如行视图显示不出来等。（10.11貌似不实现也可以，可是10.10及以下还是不行的）
- (nullable id)tableView:(NSTableView *)tableView objectValueForTableColumn:(nullable NSTableColumn *)tableColumn row:(NSInteger)row
{
return nil;
}
#pragma mark -other methods
- (CGFloat)tableView:(NSTableView *)tableView heightOfRow:(NSInteger)row
{
return 58;
}
- (nullable NSView *)tableView:(NSTableView *)tableView viewForTableColumn:(nullable NSTableColumn *)tableColumn row:(NSInteger)row
{
NSString *strIdt=[tableColumn identifier];
NSTableCellView *aView = [tableView makeViewWithIdentifier:strIdt owner:self];
if (!aView)
aView = [[NSTableCellView alloc]initWithFrame:CGRectMake(0, 0, tableColumn.width, 58)];
else
for (NSView *view in aView.subviews)[view removeFromSuperview];
NSTextField *textField = [[NSTextField alloc] initWithFrame:CGRectMake(15, 20, 156+50, 17)];
textField.stringValue = [NSString stringWithFormat:@"我是第%@z个cell",[_dataSourceArray objectAtIndex:row]];
textField.font = [NSFont systemFontOfSize:15.0f];
textField.textColor = [NSColor blackColor];
textField.drawsBackground = NO;
textField.bordered = NO;
textField.focusRingType = NSFocusRingTypeNone;
textField.editable = NO;
[aView addSubview:textField];
return aView;
}
- (BOOL)tableView:(NSTableView *)tableView shouldSelectRow:(NSInteger)row
{
// NSLog(@"====%ld", (long)row);
_selectedRowNum = row;
return YES;
}
- (void)tableView:(NSTableView *)tableView didClickTableColumn:(NSTableColumn *)tableColumn{
NSLog(@"%@", tableColumn.dataCell);
}
#pragma mark - tableview滚动处理
-(void)tableviewDidScroll:(NSNotification *)notification
{
NSClipView *contentView = [notification object];
CGFloat scrollY = contentView.visibleRect.origin.y-20;//这里减去20是因为tableHeader的20高度
_scrollTF.stringValue = [NSString stringWithFormat:@"滚动 %.1f",scrollY];
}
#pragma mark - 删除&&添加某一行
-(void)deleteTheSelectedRow
{
if (_selectedRowNum == -1) {NSLog(@"请先选择要删除的行"); return;}
[_tableView beginUpdates];
[_dataSourceArray removeObjectAtIndex:_selectedRowNum];
[_tableView removeRowsAtIndexes:[NSIndexSet indexSetWithIndex:_selectedRowNum] withAnimation:NSTableViewAnimationSlideUp];
[_tableView endUpdates];
_selectedRowNum = -1;
}
-(void)addRowUnderTheSelectedRow
{
if (_selectedRowNum == -1) {NSLog(@"请先选择要哪行上面添一行"); return;}
NSString *seletedDataObject = [_dataSourceArray objectAtIndex:_selectedRowNum];
NSString *addObject = [NSString stringWithFormat:@"%@+",seletedDataObject];
[_tableView beginUpdates];
[_dataSourceArray insertObject:addObject atIndex:_selectedRowNum];
[_tableView insertRowsAtIndexes:[NSIndexSet indexSetWithIndex:_selectedRowNum] withAnimation:NSTableViewAnimationSlideDown];
[_tableView endUpdates];
_selectedRowNum++;
}
#pragma mark -
- (void)applicationWillTerminate:(NSNotification *)aNotification {
// Insert code here to tear down your application
}
// 选中的响应
-(void)tableViewSelectionDidChange:(nonnull NSNotification* )notification{
self.tableView = notification.object;
//do something
NSLog(@"-----%ld", (long)self.tableView.selectedRow);
NSAlert * alert = [[NSAlert alloc]init];
alert.messageText = @"This is messageText";
alert.alertStyle = NSAlertStyleInformational;
[alert addButtonWithTitle:@"continue"];
[alert addButtonWithTitle:@"cancle"];
[alert setInformativeText:@"NSWarningAlertStyle \r Do you want to continue with delete of selected records"];
[alert beginSheetModalForWindow:[self.view window] completionHandler:^(NSModalResponse returnCode) {
NSLog(@"xxx");
if (returnCode == NSModalResponseOK){
NSLog(@"(returnCode == NSOKButton)");
}else if (returnCode == NSModalResponseCancel){
NSLog(@"(returnCode == NSCancelButton)");
}else if(returnCode == NSAlertFirstButtonReturn){
NSLog(@"if (returnCode == NSAlertFirstButtonReturn)");
}else if (returnCode == NSAlertSecondButtonReturn){
NSLog(@"else if (returnCode == NSAlertSecondButtonReturn)");
}else if (returnCode == NSAlertThirdButtonReturn){
NSLog(@"else if (returnCode == NSAlertThirdButtonReturn)");
}else{
NSLog(@"All Other return code %ld",(long)returnCode);
}
}];
}
- (void)setRepresentedObject:(id)representedObject {
[super setRepresentedObject:representedObject];
// Update the view, if already loaded.
}
@end
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