Hi all,
I met some problems on updating the content of my table with the
following scenario:
My table is contained in a separated window(tableWindow.xib), so I use
a TableController class to control it(File's Owner of the window). The
following is the instant of TableController:
@interface TableController : NSWindowController {
IBOutlet NSTableView* dataTable;
IBOutlet NSTableHeaderView* headers;
IBOutlet NSTableColumn* column;
IBOutlet TableSource* tableSource;
}
In IB I connected the window containing table view to "window" of
File's Owner(TableController), and also table view to "dataTable". I
have another TableSource class:
@interface TableSource : NSArrayController{
NSMutableArray * items;
NSMutableDictionary * parameters;
NSMutableDictionary * paramLabels;
}
- (int)numberOfRowsInTableView:(NSTableView *)tableView;
- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:
(NSTableColumn *)tableColumn row:(int)row;
- (void)tableView:(NSTableView *)aTableView
setObjectValue:anObject
forTableColumn:(NSTableColumn *)aTableColumn
row:(int)rowIndex;
In this class, I store the data into the "items" array. I added an
object for Table Source in IB and connected it to "tableSource" of
File's Owner and also "dataSource" of table view of the
window(tableWindow.xib).
There is a AppController which is used to initialize TableController
with the following code:
-(void)loadTableController{
if (tableController == NULL) {
[self setTableController:[[TableController alloc] init]];
if (![NSBundle loadNibNamed:@"tableWindow"
owner:tableController]) {
NSLog(@"Error loading TableController");}
else{
NSLog(@"TableController NIB Loaded");
}
[tableController loadWindow];
}
}
When running, the window containing table can be showed correctly, and
I can also initialize the column of the table by the following code:
NSTableColumn* column = [[NSTableColumn alloc] init];
[[column headerCell] setStringValue:str1];
[column setWidth:cWidth];
[[[appController tableController] dataTable]
addTableColumn:column];
[column release];
The problem is that after I update the data source, which is
tableSource in tableController, [dataTable reloadData] will not update
the table view in the window. I have debugged the program and found
that the content of data source has been updated, which means that,
the updated information has been stored in data source. However, these
changes cannot be showed in the table view in the window. I have
checked the connection between dataTable and tableSource, and no
problem found there.
Any suggestions on this problem? Thanks in advance!
---------------
JArod Wen
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