I have the NSTableView object, that consists from one column with NSButtonCell cell.
Also I have the class, that implements the NSTableViewDataSource protocol.
The method to set the cell value:
-( id )tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
{
NSButtonCell* cell = [[[NSButtonCell alloc] init] autorelease];
[cell setTitle:#"Title" ];
[cell setState:NSOnState];
return cell;
}
In result the state of the button displayed properly but the title stays empty.
How I can set the title of the button?
I solved this issue by replacing the
NSButtonCell* cell = [[[NSButtonCell alloc] init] autorelease];
to
NSButtonCell* cell = [tableColumn dataCell];
Related
I have a very standard NSTableView (this is Mac, not iOS) with a few text rows. Each row is an NSTextField.
I was unhappy with the border of the text fields (see image) so I removed it. However doing so the selected cells look weird.
How can I fix that?
before:
after
Note:
- (NSView *)tableView:(NSTableView *)tableView viewForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
NSTextField *cell = [tableView makeViewWithIdentifier:#"MyView" owner:self];
if (cell == nil) {
cell = [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, tableView.bounds.size.width, 30)];
cell.identifier = #"MyView";
cell.editable = NO;
cell.bordered = NO;
}
cell.stringValue = [NSString stringWithFormat:#"row %d", row];
return cell;
}
I have tried to set cell.selectable = YES but it didn't help. I have also tried to play with some properties on the storyboard ("focus ring", ...) but it didn't work either. Any idea?
Setting cell.backgroundColor = [NSColor clearColor]; did the trick (transparent background)
As title.
How does the NSTableView set content Mode(view-based or cell-based) by code?
Thanks for helping
NSTableView defaults to being cell-based, which makes sense for backwards compatibility. Table views are view-based when the table view delegate implements -tableView:viewForTableColumn:row:. You can easily test by programmatically creating a table view as follows:
#implementation BAVAppDelegate
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
NSView *contentView = self.window.contentView;
NSTableView *tableView = [[NSTableView alloc] initWithFrame:(NSRect){{50, NSMaxY(contentView.frame) - 200}, {400, 200}}];
tableView.dataSource = self;
tableView.delegate = self;
[contentView addSubview:tableView];
NSTableColumn *column = [[NSTableColumn alloc] initWithIdentifier:#"column"];
column.width = 400;
[tableView addTableColumn:column];
}
- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView {
return 3;
}
- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
return [NSString stringWithFormat:#"%ld", row];
}
//- (NSView *)tableView:(NSTableView *)tableView viewForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
// NSTextField *textField = [[NSTextField alloc] initWithFrame:(NSRect){.size = {100, 15}}];
// textField.stringValue = [NSString stringWithFormat:#"%ld", row];
// return textField;
//}
#end
If you run this code with that delegate method commented out, you get a cell-based table view:
And if you uncomment that delegate method, you get a view-based table view:
The documentation for -tableView:viewForTableColumn:row: states that
This method is required if you wish to use NSView objects instead of NSCell objects for the cells within a table view. Cells and views can not be mixed within the same table view.
which hints at it being the condition that determines whether a table view is cell- or view-based.
I am not really familiar with tables, as I usually make games, but now I want to create a level builder where I need a table view with custom cells. I have created a nib file and I have subclassed NSTableCellView, but I don't know what to do next. All I have is:
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification{
NSScrollView * tableContainer = [[NSScrollView alloc] initWithFrame:NSMakeRect(self.window.frame.size.width-TABLEWIDTH, 0, TABLEWIDTH, self.window.frame.size.height)];
SpriteTable *sT = [[SpriteTable alloc]initWithFrame:NSMakeRect(self.window.frame.size.width-TABLEWIDTH, 0, TABLEWIDTH, self.window.frame.size.height)];
NSTableView *tableView = [[NSTableView alloc] initWithFrame: sT.bounds];
NSTableColumn* firstColumn = [[[NSTableColumn alloc] initWithIdentifier:#"firstColumn"] autorelease];
[[firstColumn headerCell] setStringValue:#"First Column"];
[tableView addTableColumn:firstColumn];
tableView.dataSource = self;
tableView.delegate = self;
[tableContainer setDocumentView:tableView];
tableContainer.autoresizingMask = NSViewHeightSizable | NSViewMinXMargin;
[self.window.contentView addSubview: tableContainer];
}
- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView{
return 4;
}
- (NSView *)tableView:(NSTableView *)tableView
viewForTableColumn:(NSTableColumn *)tableColumn
row:(NSInteger)row {
// get an existing cell with the MyView identifier if it exists
CustomCell *result = [tableView makeViewWithIdentifier:#"MyView" owner:self];
// There is no existing cell to reuse so we will create a new one
if (result == nil) {
NSLog(#"result = nil");
// create the new NSTextField with a frame of the {0,0} with the width of the table
// note that the height of the frame is not really relevant, the row-height will modify the height
// the new text field is then returned as an autoreleased object
//result = [[[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 250, 70)] autorelease];
// the identifier of the NSTextField instance is set to MyView. This
// allows it to be re-used
result.identifier = #"MyView";
}
// result is now guaranteed to be valid, either as a re-used cell
// or as a new cell, so set the stringValue of the cell to the
// nameArray value at row
result.imageView.image = [NSImage imageNamed:NSImageNameHomeTemplate];
// return the result.
return result;
}
If any, which delegate methods do I have to implement ? And how do I customize my cell WITH a nib file ?
Do this in ur subview->
#implementation suhasView
#synthesize name,containerView;// container view contains ur subview
- (NSView*) myView
{
NSBundle *bundle = [NSBundle bundleForClass:[self class]];
NSNib *theNib = [[NSNib alloc] initWithNibNamed:#"suhas"bundle:bundle];
[theNib instantiateNibWithOwner:self topLevelObjects:nil];
return containerView;
}
In Controller->
- (NSView *)tableView:(NSTableView *)tableView viewForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
{
suhas *a=[[suhas alloc]initWithFrame:NSMakeRect(0,0, 40, 40)];
NSView * v = [a myView];
[a.name setStringValue:#"suhas"];
return v;
}...//sorry for my naming of the class:)
I have been looking until 6 o'clock this morning, but I can't figure out why the didSelectRowAtIndexPath method is not being called. I am getting quite desparate on this one.
The tableview is shown properly, but I cannot succeed to enable the selection of a cell.
In the header file , I added:
#interface AlertsTable : UIViewController<UITableViewDelegate, UITableViewDataSource, CMPopTipViewDelegate>{
UITableView *TableView;
}
#property (nonatomic, retain) UITableView *TableView;
In the implementation file:
#synthesize TableView;
- (void)viewDidLoad
{
[super viewDidLoad];
// Uncomment the following line to preserve selection between presentations.
// self.clearsSelectionOnViewWillAppear = NO;
// Uncomment the following line to display an Edit button in the navigation bar for this view controller.
// self.navigationItem.rightBarButtonItem = self.editButtonItem;
//Set the title
//Format Alerts table
//self.view.backgroundColor = [UIColor redColor];
CGFloat sideMargin = 10;
CGFloat topBottomMargin = 44;
CGFloat originX = sideMargin;
// compute width based on view size
CGFloat sizeWidth = (self.view.bounds.size.width - (sideMargin * 2));
CGFloat originY = topBottomMargin;
// compute height based on view size
CGFloat sizeHeight = (self.view.bounds.size.height - (topBottomMargin * 2));
//self.view.frame = CGRectMake(originX, originY, sizeWidth, sizeHeight);
self.TableView = [[UITableView alloc] initWithFrame:CGRectMake(originX, originY, sizeWidth, sizeHeight) style:UITableViewStylePlain];
//Initialize the array.
AlertsItems = [[NSMutableArray alloc] initWithObjects: #"Alert 1", #"Alert 2", #"Alert 3" , #"Alert 4", #"Alert 5", #"Alert 6", nil];
[self.TableView setDelegate:self];
[self.TableView setDataSource:self];
[self.view addSubview:TableView];
TableView.userInteractionEnabled = YES;
TableView.allowsSelection = YES;
TableView.allowsSelectionDuringEditing = YES;
NSLog(#"delegate:%# dataSource:%#", self.TableView.delegate, self.TableView.dataSource);
}
The delegate and datasource are both not nil on the check.
Note that the "Alertstable" inherits from a UIViewController, not a UITableViewController.
This is necessary due to the implementation I chose: the tableview is shown on a popupwindow shown on the screen (using another class that I took from the internet).
This is the didSelectRowAtIndexPath method:
#pragma mark - Table view delegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *alertString = [NSString stringWithFormat:#"Clicked on row #%d", [indexPath row]];
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:alertString message:#"" delegate:self cancelButtonTitle:#"Done" otherButtonTitles:nil];
[alert show];
}
The methods:
[super touchesBegan:...];
[super touchesEnded:...];
[super touchesMoved:...];
are not implemented.
I added the AlertTable from another ViewController
AlertsTable *AlertTable = [[AlertsTable alloc] WithButton:sender withArray:self.PopTipViews];
[self.view addSubview:AlertTable.view];
I also implemented:
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = #"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
}
// Set up the cell...
[[cell textLabel] setText:[AlertsItems objectAtIndex:indexPath.row]];
NSLog (#"%#",[AlertsItems objectAtIndex:indexPath.row]);
return cell;
}
Do you have any idea what the problem could be?
I'm not very experienced in Xcode and I'm really stuck.
Edit:
I know that it is not custom, but the link to the project can be found here (perhaps I'm overlooking something:
https://www.bilbu.be/BarConnect_v2.zip
The LoginViewController.xib is not properly linked (it is available in the en.lproj subfolder) so you may need to link first (I noticed too late and I had the file uploaded by a friend before - I cannot re-upload it myself unfortunately).
ViewController VC class calls the AlertsTable VC class. There is more in the project that I suppose you can ignore...
Note that the purpose of this project is only to serve as visual interface prototype. It is not meant to be the best optimized application (this is what other developers will do). If this doesn't work, I will use Photoshop to create the interfaces, but I guess that's not gonna be as convincing...
I successfully compiled your project. The problem is that you're going against the MVC pattern. The controller (AlertsTable) is inside of a view (CMPopTipView). I'd suggest you to rethink the hierarchy of the controllers and views. Hope this will help you.
Try changing
TableView.userInteractionEnabled = YES;
TableView.allowsSelection = YES;
TableView.allowsSelectionDuringEditing = YES;
to
self.TableView.userInteractionEnabled = YES;
self.TableView.allowsSelection = YES;
self.TableView.allowsSelectionDuringEditing = YES;
and are you allocating self.TableView? Something like...
self.TableView = [[UITableView alloc] init];//[[UITableView alloc] initWithStyle:UITableViewStylePlain];
I try to make bold row selection style in NSTableView without any highlighting
I switched highlighting off:
[myTable setSelectionHighlightStyle:NSTableViewSelectionHighlightStyleNone];
However I have some troubles making text bold in selected row. As I suggested, I need to change properties of NSTableView's source:
- (void) tableViewSelectionDidChange: (NSNotification *) notification
{
NSDictionary *boldFont = [NSDictionary dictionaryWithObject:[NSFont boldSystemFontOfSize:13.0]
forKey:NSFontAttributeName];
NSDictionary *normalFont = [NSDictionary dictionaryWithObject:[NSFont systemFontOfSize:13.0]
forKey:NSFontAttributeName];
for(MyClass *obj in tableSourceList)
obj.name = [[NSMutableAttributedString alloc]
initWithString:obj.name
attributes: normalFont];
long row = [myTable selectedRow];
MyClass objectAtSelectedRow = [tableSourceList objectAtIndex: row];
objectAtSelectedRow.name = [[NSMutableAttributedString alloc]
initWithString:dr.dreamname
attributes: boldFont];
[tableSourceList replaceObjectAtIndex:row withObject:objectAtSelectedRow];
}
Unfortunately, there's no effect.
How to make text in row bold when selected?
You can try to achieve by altering the table cell to be rendered in the table's delegate:
- (void)tableView:(NSTableView *)aTableView willDisplayCell:(id)aCell forTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex {
// Maybe a test on the table column is recommanded if some cells should not be modified
NSIndexSet *selection = [aTableView selectedRowIndexes];
if ([selection containsIndex:rowIndex]) {
[aCell setFont:[NSFont boldSystemFontOfSize:12]];
} else {
[aCell setFont:[NSFont systemFontOfSize:12]];
}
}