I have a custom view on which I place multiple NSTextViews, but when printed
only the *content* last NSTextView placed actually shows up. That is, to make
sure I am placing view appropriately my NSTextView subclass draws a box around
its bounds. The box shows up, but no text inside even though I can verify that
the text storage has content.
I have to construct everything manually since I may need multiple NSTextViews
for a single NSTextStorage:
- (void)addLetter:(NSTextStorage *)letter mergeData:(NSDictionary *)data
{
// copy letter & merge
[textStorage release];
textStorage = [[NSTextStorage alloc] initWithAttributedString:letter];
[textStorage processMergeCodesWithValues:data];
// use our own layout manager
NSLayoutManager *manager = [[NSLayoutManager alloc] init];
manager.delegate = self;
[textStorage addLayoutManager:manager];
[manager release]; // textStorage will own
// add a page
[self addPage];
}
- (void)addPage
{
NSRect frame = self.frame;
frame.size.height += pageSize.height;
self.frame = frame;
NSTextContainer *container = [[NSTextContainer alloc]
initWithContainerSize:pageSize];
NSLayoutManager *layoutManager = [[textStorage layoutManagers]
objectAtIndex:0];
[layoutManager addTextContainer:container];
[container release];
AIRTextView *textView = [[AIRTextView alloc]
initWithFrame:NSMakeRect(pageOrigin.x, pageOrigin.y, pageSize.width,
pageSize.height) textContainer:container];
[textView setMinSize:NSMakeSize(pageSize.width, 0.5)];
[textView setMaxSize:NSMakeSize(pageSize.width, pageSize.height)];
[textView setVerticallyResizable:NO];
[textView setHorizontallyResizable:NO];
[textView setAutoresizingMask:NSViewNotSizable];
[self addSubview:textView];
[textView release];
// this should cause layout
[layoutManager glyphRangeForTextContainer:container];
// update origin for next page
pageOrigin.y += pageSize.height;
}
The -addLetter:mergeData: is called once per page as in my test case the
"letter" will fully render in a single page. If I only call it once, the page
shows. If I call it any more than once only the last NSTextView will show its
text content in the last NSTextView placed.
TIA,
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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