gecko-dev/camino/CHHistoryDataSource.mm

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//
// CHHistoryDataSource.mm
// Chimera
//
// Created by Ben Goodger on Sun Apr 28 2002.
// Copyright (c) 2001 __MyCompanyName__. All rights reserved.
//
#import "NSString+Utils.h"
#import "BrowserWindowController.h"
#import "CHHistoryDataSource.h"
#import "CHBrowserView.h"
#include "nsIRDFService.h"
#include "nsIRDFDataSource.h"
#include "nsIRDFResource.h"
#include "nsXPIDLString.h"
#include "nsString.h"
#include "nsComponentManagerUtils.h"
@implementation CHHistoryDataSource
- (void) ensureDataSourceLoaded
{
[super ensureDataSourceLoaded];
if (!mDataSource)
{
// Get the Global History DataSource
mRDFService->GetDataSource("rdf:history", &mDataSource);
// Get the Date Folder Root
mRDFService->GetResource("NC:HistoryByDate", &mRootResource);
[mOutlineView setTarget: self];
[mOutlineView setDoubleAction: @selector(openHistoryItem:)];
[mOutlineView reloadData];
}
}
- (id) outlineView: (NSOutlineView*) aOutlineView objectValueForTableColumn: (NSTableColumn*) aTableColumn
byItem: (id) aItem
{
NSMutableAttributedString *cellValue = [[NSMutableAttributedString alloc] init];
if (!mDataSource || !aItem)
return nil;
// The table column's identifier is the RDF Resource URI of the property being displayed in
// that column, e.g. "http://home.netscape.com/NC-rdf#Name"
NSString* columnPropertyURI = [aTableColumn identifier];
nsCOMPtr<nsIRDFResource> propertyResource;
mRDFService->GetResource([columnPropertyURI UTF8String], getter_AddRefs(propertyResource));
nsCOMPtr<nsIRDFResource> resource = dont_AddRef([aItem resource]);
nsCOMPtr<nsIRDFNode> valueNode;
mDataSource->GetTarget(resource, propertyResource, PR_TRUE, getter_AddRefs(valueNode));
if (!valueNode) {
#if DEBUG
NSLog(@"ValueNode is null in objectValueForTableColumn");
#endif
return nil;
}
nsCOMPtr<nsIRDFLiteral> valueLiteral(do_QueryInterface(valueNode));
if (!valueLiteral)
return nil;
nsXPIDLString literalValue;
valueLiteral->GetValue(getter_Copies(literalValue));
//Set cell's textual contents
[cellValue replaceCharactersInRange:NSMakeRange(0, [cellValue length]) withString:[NSString stringWith_nsAString:literalValue]];
if ([columnPropertyURI isEqualToString: @"http://home.netscape.com/NC-rdf#Name"])
{
NSMutableAttributedString *attachmentAttrString = nil;
NSFileWrapper *fileWrapper = [[NSFileWrapper alloc] initRegularFileWithContents:nil];
NSTextAttachment *textAttachment = [[NSTextAttachment alloc] initWithFileWrapper:fileWrapper];
NSCell *attachmentAttrStringCell;
//Create an attributed string to hold the empty attachment, then release the components.
attachmentAttrString = [[NSMutableAttributedString attributedStringWithAttachment:textAttachment] retain];
[textAttachment release];
[fileWrapper release];
//Get the cell of the text attachment.
attachmentAttrStringCell = (NSCell *)[(NSTextAttachment *)[attachmentAttrString attribute:
NSAttachmentAttributeName atIndex:0 effectiveRange:nil] attachmentCell];
if ([self outlineView:mOutlineView isItemExpandable:aItem]) {
[attachmentAttrStringCell setImage:[NSImage imageNamed:@"folder"]];
}
else
[attachmentAttrStringCell setImage:[NSImage imageNamed:@"smallbookmark"]];
//Insert the image
[cellValue replaceCharactersInRange:NSMakeRange(0, 0) withAttributedString:attachmentAttrString];
//Tweak the baseline to vertically center the text.
[cellValue addAttribute:NSBaselineOffsetAttributeName
value:[NSNumber numberWithFloat:-5.0]
range:NSMakeRange(0, 1)];
}
return cellValue;
}
-(IBAction)openHistoryItem: (id)aSender
{
int index = [mOutlineView selectedRow];
if (index == -1)
return;
id item = [mOutlineView itemAtRow: index];
if (!item)
return;
// expand if collapsed and double click
if ([mOutlineView isExpandable: item]) {
if ([mOutlineView isItemExpanded: item])
[mOutlineView collapseItem: item];
else
[mOutlineView expandItem: item];
return;
}
// get uri
nsCOMPtr<nsIRDFResource> propertyResource;
mRDFService->GetResource("http://home.netscape.com/NC-rdf#URL", getter_AddRefs(propertyResource));
nsCOMPtr<nsIRDFResource> resource = dont_AddRef([item resource]);
nsCOMPtr<nsIRDFNode> valueNode;
mDataSource->GetTarget(resource, propertyResource, PR_TRUE, getter_AddRefs(valueNode));
if (!valueNode) {
#if DEBUG
NSLog(@"ValueNode is null in openHistoryItem");
#endif
return;
}
nsCOMPtr<nsIRDFLiteral> valueLiteral(do_QueryInterface(valueNode));
if (!valueLiteral)
return;
nsXPIDLString literalValue;
valueLiteral->GetValue(getter_Copies(literalValue));
NSString* url = [NSString stringWith_nsAString: literalValue];
[[mBrowserWindowController getBrowserWrapper] loadURI: url referrer: nil flags: NSLoadFlagsNone activate:YES];
}
@end