我正在创建一个Mac应用程序,其中我有一些带有一些按钮的主窗口。
当我点击按钮时,它将打开一个带有NSTableview的DetailWindow
。每个 buttonclickevent 都会更改NSTableView中的数据。
这是我的代码:
在我的 mainWindow.m 文件
中- (IBAction)btn1Event:(id)sender {
if (!detailwindow) {
detailwindow = [[DetailWindow alloc] initWithWindowNibName:@"DetailWindow"];
detailwindow.mainwindow = self;
}
detailwindow.title = @"First";
[detailwindow showWindow:self];
}
- (IBAction)btn2Event:(id)sender{
if (!detailwindow) {
detailwindow = [[DetailWindow alloc] initWithWindowNibName:@"DetailWindow"];
detailwindow.mainwindow = self;
}
detailwindow.title = @"Second";
[detailwindow showWindow:self];
}
在 DetailWindow
中- (void)windowDidLoad
{
[super windowDidLoad];
[tableView setBackgroundColor:[NSColor clearColor]];
[tableView setHeaderView:nil];
if([title isEqualToString:@"First"]){
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"MS.png"],@"image",@"first image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"CVS.png"],@"image",@"second image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"NS.png"],@"image",@"first image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"EM.png"],@"image",@"second image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"RES.png"],@"image",@"first image",@"text", nil]];
}
if ([title isEqualToString:@"Second"]) {
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"RS.png"],@"image",@"second image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"FB.png"],@"image",@"first image",@"text", nil]] ;
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"GT.png"],@"image",@"second image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"SKIN.png"],@"image",@"first image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"GP.png"],@"image",@"second image",@"text", nil]];
}
[tableView reloadData];
}
- (IBAction)GoToMainWindow:(id)sender {
[mainwindow showWindow:self];
}
如果我点击此if([title isEqualToString:@"First"])
事件调用的第一个按钮,我可以在我的桌面视图中看到前五个图像。
之后,如果我点击第二个按钮,我看不到表格中的下五个图像。数据未发生变化,因为if ([title isEqualToString:@"Second"])
此事件未被调用
如果我首先点击second
按钮,则first event
会发生同样的事情。
知道为什么吗?我认为当我第二次点击任何按钮时,窗口不会释放。
答案 0 :(得分:0)
不,那是因为你的插入图像方法在 - (void)windowDidLoad方法中,在加载窗口时调用它,而不是在调用showWindow:方法时调用,因此它只被调用一次。而不是在mainWindow.m中调用showWindow:方法,而是在DetailWindow中创建一个新方法,并在单击按钮时调用它。
- (IBAction)btn1Event:(id)sender {
if (!detailwindow) {
detailwindow = [[DetailWindow alloc] initWithWindowNibName:@"DetailWindow"];
detailwindow.mainwindow = self;
}
detailwindow.title = @"First";
[detailwindow addImageToTableView]; //It doesn't have to be named like that. Your choice
}
- (IBAction)btn2Event:(id)sender{
if (!detailwindow) {
detailwindow = [[DetailWindow alloc] initWithWindowNibName:@"DetailWindow"];
detailwindow.mainwindow = self;
}
detailwindow.title = @"Second";
[detailwindow addImageToTableView];
//DetailWindow
- (void)addImageToTableView
{
[super windowDidLoad];
[tableView setBackgroundColor:[NSColor clearColor]];
[tableView setHeaderView:nil];
if([title isEqualToString:@"First"]){
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"MS.png"],@"image",@"first image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"CVS.png"],@"image",@"second image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"NS.png"],@"image",@"first image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"EM.png"],@"image",@"second image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"RES.png"],@"image",@"first image",@"text", nil]];
}
if ([title isEqualToString:@"Second"]) {
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"RS.png"],@"image",@"second image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"FB.png"],@"image",@"first image",@"text", nil]] ;
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"GT.png"],@"image",@"second image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"SKIN.png"],@"image",@"first image",@"text", nil]];
[arrayController addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSImage imageNamed:@"GP.png"],@"image",@"second image",@"text", nil]];
}
[tableView reloadData];
}
- (IBAction)GoToMainWindow:(id)sender {
[mainwindow showWindow:self];
}
这绝对不是你应该拥有的最好的代码。只需对上面的代码进行一些更改就足够了。