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/**
DataBrowser.h <title>EOMEDocument Class</title>
Copyright (C) Free Software Foundation, Inc.
Author: David Wetzel <dave@turbocat.de>
Date: 2010
This file is part of EOModelEditor.
<license>
EOModelEditor is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
EOModelEditor is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with EOModelEditor; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
</license>
**/
#import "DataBrowser.h"
#import <Renaissance/Renaissance.h>
#import "TableViewController.h"
#import <EOControl/EOControl.h>
static DataBrowser *sharedDataBrowser = nil;
@implementation DataBrowser
- (NSWindow*) _window
{
return _window;
}
+ (DataBrowser *) sharedBrowser;
{
if (!sharedDataBrowser)
sharedDataBrowser = [[self alloc] init];
[[sharedDataBrowser _window] makeKeyAndOrderFront:nil];
return sharedDataBrowser;
}
- (id) init
{
if (sharedDataBrowser)
{
[[NSException exceptionWithName:NSInternalInconsistencyException
reason: @"singleton initialized multiple times"
userInfo:nil] raise];
return nil;
}
self = [super init];
[NSBundle loadGSMarkupNamed: @"DataBrowser" owner: self];
[_window setFrameUsingName:NSStringFromClass([self class])];
_tableViewController = [TableViewController new];
[_tableView setDataSource:_tableViewController];
[_tableView setDelegate:_tableViewController];
return self;
}
- (void) removeTableColumns
{
NSArray * columns = [_tableView tableColumns];
NSEnumerator * colEnumer = [[NSArray arrayWithArray:columns] objectEnumerator];
NSTableColumn * column;
while ((column = [colEnumer nextObject])) {
if ([[column identifier] isEqual:@"_#number"] == NO) {
[_tableView removeTableColumn:column];
}
}
}
- (void) setEntity:(EOEntity*) aValue
{
ASSIGN(_currentEntity, aValue);
if (_currentEntity) {
NSEnumerator * attributeEnumer = [[_currentEntity attributes] objectEnumerator];
EOAttribute * currentAttribute = nil;
[_tableViewController setRepresentedObject:[NSArray array]];
[_tableView reloadData];
[self removeTableColumns];
[_entityNameField setStringValue:[_currentEntity name]];
while ((currentAttribute = [attributeEnumer nextObject])) {
NSString * attributeName = [currentAttribute name];
NSTableColumn * column = [[NSTableColumn alloc] initWithIdentifier:attributeName];
[[column headerCell] setStringValue:attributeName];
[column setEditable:NO];
[_tableView addTableColumn:column];
RELEASE(column);
}
}
}
- (void) dealloc
{
sharedDataBrowser = nil;
DESTROY(_tableViewController);
DESTROY(_currentEntity);
DESTROY(_editingContext);
[super dealloc];
}
- (void) awakeFromGSMarkup
{
}
- (IBAction) fetch:(id) sender
{
EOFetchSpecification *fetchSpec;
EOQualifier *qual = nil;
NSArray *results;
NSMutableArray *keyPaths = [NSMutableArray array];
NSEnumerator *attributeEnumer = [[_currentEntity attributes] objectEnumerator];
EOAttribute *attribute;
while ((attribute = [attributeEnumer nextObject])) {
[keyPaths addObject:[attribute name]];
}
[[EOModelGroup defaultGroup] addModel:[_currentEntity model]];
NS_DURING {
if (!_editingContext) {
ASSIGN(_editingContext, [EOEditingContext new]);
RELEASE(_editingContext);
[_editingContext setInvalidatesObjectsWhenFreed:YES];
} else {
[_editingContext invalidateAllObjects];
}
if ([[qualifierText stringValue] length] > 0)
qual = [EOQualifier qualifierWithQualifierFormat:[qualifierText stringValue]];
fetchSpec = [EOFetchSpecification fetchSpecificationWithEntityName:[_currentEntity name]
qualifier:qual
sortOrderings:nil];
[fetchSpec setFetchLimit:[fetchLimitText intValue]];
[fetchSpec setRawRowKeyPaths:keyPaths];
results = [_editingContext objectsWithFetchSpecification:fetchSpec];
[_tableViewController setRepresentedObject:results];
[_tableView reloadData];
} NS_HANDLER {
NSRunCriticalAlertPanel (@"Problem fetching from Database",
@"%@",
@"Ok",
nil,
nil,
localException);
} NS_ENDHANDLER;
[[EOModelGroup defaultGroup] removeModel:[_currentEntity model]];
}
- (BOOL)windowShouldClose:(id)sender
{
[_window endEditingFor:self];
[_window saveFrameUsingName:NSStringFromClass([self class])];
[_window setDelegate:nil];
[_window orderOut:self];
[self performSelector:@selector(release) withObject:self afterDelay:0.001];
return YES;
}
@end
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