gecko-dev/chimera/CHAutoCompleteDataSource.mm

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Mozilla browser.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 2002 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* David Hyatt <hyatt@netscape.com> (Original Author)
*
*/
#import <AppKit/AppKit.h>
#import "CHAutoCompleteTextField.h"
#include "nsString.h"
#include "nsCRT.h"
@implementation CHAutoCompleteDataSource
-(id)init
{
if ((self = [super init])) {
mResults = nil;
mIconImage = [NSImage imageNamed:@"globe_ico"];
}
return self;
}
-(void)dealloc
{
NS_IF_RELEASE(mResults);
}
- (void) setErrorMessage: (NSString*) error
{
[self setResults:nsnull];
mErrorMessage = error;
}
- (NSString*) errorMessage
{
return mErrorMessage;
}
- (void) setResults:(nsIAutoCompleteResults*)aResults
{
NS_IF_RELEASE(mResults);
mErrorMessage = nil;
mResults = aResults;
NS_IF_ADDREF(mResults);
}
- (nsIAutoCompleteResults *) results
{
return mResults;
}
- (int) rowCount
{
if (!mResults)
return 0;
nsCOMPtr<nsISupportsArray> items;
mResults->GetItems(getter_AddRefs(items));
PRUint32 count;
items->Count(&count);
return count;
}
- (id) resultString:(int)aRow column:(NSString *)aColumn
{
NSString *result = @"";
if (!mResults)
return result;
nsCOMPtr<nsISupportsArray> items;
mResults->GetItems(getter_AddRefs(items));
nsCOMPtr<nsISupports> itemSupports = dont_AddRef(items->ElementAt(aRow));
nsCOMPtr<nsIAutoCompleteItem> item = do_QueryInterface(itemSupports);
if (!item)
return result;
if ([aColumn isEqualToString:@"icon"]) {
return mIconImage;
} else if ([aColumn isEqualToString:@"col1"]) {
nsAutoString value;
item->GetValue(value);
result = [NSString stringWithCharacters:value.get() length:value.Length()];
} else if ([aColumn isEqualToString:@"col2"]) {
PRUnichar *comment;
item->GetComment(&comment);
result = [NSString stringWithCharacters:comment length:nsCRT::strlen(comment)];
}
return result;
}
-(int) numberOfRowsInTableView:(NSTableView*)aTableView
{
return [self rowCount];
}
-(id)tableView:(NSTableView*)aTableView objectValueForTableColumn:(NSTableColumn*)aTableColumn row:(int)aRowIndex
{
return [self resultString:aRowIndex column:[aTableColumn identifier]];
}
@end