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-rw-r--r--Source/TableRelations.m351
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diff --git a/Source/TableRelations.m b/Source/TableRelations.m
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-//
-// TableRelations.h
-// sequel-pro
-//
-// Created by J Knight on 13/05/09.
-// Copyright 2009 J Knight. All rights reserved.
-//
-// This program 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 2 of the License, or
-// (at your option) any later version.
-//
-// This program 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 this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// More info at <http://code.google.com/p/sequel-pro/>
-//
-
-#import "TableRelations.h"
-#import "TableDocument.h"
-#import "TablesList.h"
-#import "CMMCPConnection.h"
-#import "CMMCPResult.h"
-#import "SPTableData.h"
-
-@implementation TableRelations
-
-/*
- * init
- */
-- (id)init
-{
- if (![super init])
- return nil;
-
- relData = [[NSMutableArray alloc] init];
-
- return self;
-}
-
-/*
- * dealloc
- */
-- (void)dealloc
-{
- [relData release], relData = nil;
-
- [super dealloc];
-}
-
-/*
- * awakeFromNib
- */
-- (void)awakeFromNib
-{
- [[NSNotificationCenter defaultCenter] addObserver:self
- selector:@selector(tableChanged:)
- name:NSTableViewSelectionDidChangeNotification
- object:tableList];
-}
-
-/*
- * setConnection
- * set the database connection
- */
-- (void)setConnection:(CMMCPConnection *)theConnection
-{
- mySQLConnection = theConnection;
-}
-
-/*
- * closeRelationSheet
- * happens if the user hits cancel
- */
-- (IBAction)closeRelationSheet:(id)sender
-{
- // 0 = success,
- [NSApp stopModalWithCode:0];
-}
-
-/*
- * addRelation
- * attempt to add the relations from the relationSheet data
- */
-- (IBAction)addRelation:(id)sender
-{
- // 0 = success,
- int retCode = 0;
- NSString *thisTable = [tablesListInstance tableName];
- NSString *thisColumn = [columnSelect titleOfSelectedItem];
- NSString *thatTable = [refTableSelect titleOfSelectedItem];
- NSString *thatColumn = [refColumnSelect titleOfSelectedItem];
- NSString *onUpdate = [onUpdateSelect titleOfSelectedItem];
- NSString *onDelete = [onDeleteSelect titleOfSelectedItem];
- NSString *query = [NSString stringWithFormat:
- @"ALTER TABLE `%@` ADD FOREIGN KEY (`%@`) REFERENCES `%@` (`%@`)",
- thisTable,
- thisColumn,
- thatTable,
- thatColumn];
-
- if( [onDelete length] ) {
- query = [query stringByAppendingString:[NSString stringWithFormat:@" ON DELETE %@", onDelete]];
- }
- if( [onUpdate length] ) {
- query = [query stringByAppendingString:[NSString stringWithFormat:@" ON UPDATE %@", onUpdate]];
- }
-
- //NSLog( query );
-
- [mySQLConnection queryString:query];
-
- if ( ! [[mySQLConnection getLastErrorMessage] isEqualToString:@""] ) {
- NSLog(@"error: %@", [mySQLConnection getLastErrorMessage]);
- retCode = 1;
- }
-
- [NSApp stopModalWithCode:retCode];
-}
-
-/*
- * chooseRefTable
- * update the columns select when the user chooses a reference table
- */
-- (IBAction)chooseRefTable:(id)sender
-{
- NSString *table = [refTableSelect titleOfSelectedItem];
-
- [refColumnSelect removeAllItems];
-
- NSDictionary *info = [tableDataInstance informationForTable:table];
- NSArray *cols = [info objectForKey:@"columns"];
- NSMutableArray *colNames = [[NSMutableArray alloc] init];
- // TODO depending on the selected column type, it would be smart to only
- // show columns that are valid to linkage. this.int -> ints only
- for( int i = 0; i < [cols count]; i++ ) {
- [colNames addObject:[[cols objectAtIndex:i] objectForKey:@"name"]];
- }
- [refColumnSelect addItemsWithTitles:colNames];
- [colNames release];
-}
-
-/*
- * addRow
- * called when the user indicated they want to add a relation
- */
-- (IBAction)addRow:(id)sender
-{
- // TODO check that this is an INNO table
-
- // set up the controls
- [tableBox setTitle:[NSString stringWithFormat:@"Table: %@",[tablesListInstance tableName] ]];
- [columnSelect removeAllItems];
- [columnSelect addItemsWithTitles:[tableDataInstance columnNames]];
- [refTableSelect removeAllItems];
- // grab only real tables
- // TODO filter this so it only shows INNO tables
- NSArray *tables = [tablesListInstance tables];
- NSArray *types = [tablesListInstance tableTypes];
- NSMutableArray *validTables = [[NSMutableArray alloc] init];
- for( int i = 0; i < [tables count]; i++ ) {
- if( [[types objectAtIndex:i] intValue] == SP_TABLETYPE_TABLE ) {
- [validTables addObject:[tables objectAtIndex:i]];
- }
- }
- [refTableSelect addItemsWithTitles:validTables];
- [validTables release];
- [self chooseRefTable:nil];
-
- [NSApp beginSheet:relationSheet
- modalForWindow:tableWindow
- modalDelegate:self
- didEndSelector:nil
- contextInfo:nil];
-
-
- int code = [NSApp runModalForWindow:relationSheet];
-
- [NSApp endSheet:relationSheet];
- [relationSheet orderOut:nil];
-
- // 0 indicates success
- if( code ) {
- NSRunAlertPanel(NSLocalizedString(@"Error", @"error"), //@"Error Adding Relation",
- [NSString stringWithFormat:NSLocalizedString(@"Couldn't add relation.\nMySQL said: %@",@"message of panel when relation cannot be created"),[mySQLConnection getLastErrorMessage]],
- NSLocalizedString(@"OK", @"OK button"), nil, nil );
- } else {
- [self refresh:nil];
- }
-}
-
-/*
- * removeRow
- * called when rows are selected and the user wants to remove those relations
- */
-- (IBAction)removeRow:(id)sender
-{
- if ( [relationsView numberOfSelectedRows] ) {
- int resp = NSRunAlertPanel(NSLocalizedString(@"Delete relation",@"delete relation message"),
- NSLocalizedString(@"Are you sure you want to delete the selected relations?\nThis action cannot be undone!",@"delete selected relation informative message"),
- NSLocalizedString(@"Delete", @"delete button"),
- NSLocalizedString(@"Cancel", @"cancel button"), nil );
- if( resp == NSAlertDefaultReturn ) {
- NSString *thisTable = [tablesListInstance tableName];
- NSIndexSet *selectedSet = [relationsView selectedRowIndexes];
- unsigned int row = [selectedSet lastIndex];
- while( row != NSNotFound ) {
- NSArray *relName = [[relData objectAtIndex:row] objectForKey:@"name"];
- NSString *query = [NSString stringWithFormat:@"ALTER TABLE `%@` DROP FOREIGN KEY `%@`",
- thisTable, relName];
- //NSLog( query );
-
- [mySQLConnection queryString:query];
-
- if ( ! [[mySQLConnection getLastErrorMessage] isEqualToString:@""] ) {
- NSLog(@"error: %@", [mySQLConnection getLastErrorMessage]);
- NSRunAlertPanel(NSLocalizedString(@"Error", @"error"),
- [NSString stringWithFormat:NSLocalizedString(@"Couldn't remove relation.\nMySQL said: %@",@"message of panel when relation cannot be removed"),[mySQLConnection getLastErrorMessage]],
- NSLocalizedString(@"OK", @"OK button"), nil, nil );
- // abort loop
- break;
- }
- row = [selectedSet indexLessThanIndex:row];
- }
- [self refresh:nil];
- }
- }
-}
-
-/*
- * refresh
- * called to refesh the relations list
- */
-- (IBAction)refresh:(id)sender
-{
- [relData removeAllObjects];
-
- if([tablesListInstance tableType] == SP_TABLETYPE_TABLE) {
- // update the top label
- [labelText setStringValue:[NSString stringWithFormat:@"Relations for table: %@",[tablesListInstance tableName]]];
-
- [tableDataInstance updateInformationForCurrentTable];
-
- NSArray *constraints = [tableDataInstance getConstraints];
-
- for( int i = 0; i < [constraints count]; i++ ) {
- [relData addObject:[NSDictionary dictionaryWithObjectsAndKeys:
- [tablesListInstance tableName], @"table",
- [[constraints objectAtIndex:i] objectForKey:@"name"], @"name",
- [[constraints objectAtIndex:i] objectForKey:@"columns"], @"columns",
- [[constraints objectAtIndex:i] objectForKey:@"ref_table"], @"fk_table",
- [[constraints objectAtIndex:i] objectForKey:@"ref_columns"], @"fk_columns",
- [[constraints objectAtIndex:i] objectForKey:@"update"], @"on_update",
- [[constraints objectAtIndex:i] objectForKey:@"delete"], @"on_delete",
- nil]];
-
- }
- }
-
- [relationsView reloadData];
-}
-
-/*
- * tableChanged
- * notification from the tableList when the users click a table
- */
-- (void)tableChanged:(NSNotification *)notification
-{
- // To begin enable all interface elements
- [addButton setEnabled:YES];
- [refreshButton setEnabled:YES];
-
- // Get the current table's storage engine
- NSString *engine = [tableDataInstance statusValueForKey:@"Engine"];
-
- if (([tablesListInstance tableType] == SP_TABLETYPE_TABLE) && ([[engine lowercaseString] isEqualToString:@"innodb"])) {
- [addButton setEnabled:YES];
- [refreshButton setEnabled:YES];
-
- [self refresh:self];
- } else {
- [addButton setEnabled:NO];
- [refreshButton setEnabled:NO];
-
- [labelText setStringValue:([tablesListInstance tableType] == SP_TABLETYPE_TABLE) ? @"This table does not support relations" : @""];
- }
-}
-
-//tableView datasource methods
-- (int)numberOfRowsInTableView:(NSTableView *)aTableView
-{
- return [relData count];
-}
-
-- (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:(NSTableColumn *)aTableColumn
- row:(int)rowIndex
-{
- //NSNumber *theIdentifier = [aTableColumn identifier];
- NSDictionary *theRow = [relData objectAtIndex:rowIndex];
- return [theRow objectForKey:[aTableColumn identifier]];
-}
-
-- (void)tableView:(NSTableView *)aTableView
- setObjectValue:(id)anObject
- forTableColumn:(NSTableColumn *)aTableColumn
- row:(int)rowIndex
-{
-
-}
-
-//tableView delegate methods
-- (void)tableView:(NSTableView*)tableView didClickTableColumn:(NSTableColumn *)tableColumn
-{
-
-}
-- (void)tableViewSelectionDidChange:(NSNotification *)aNotification
-{
- if ( [relationsView numberOfSelectedRows] ) {
- [removeButton setEnabled:YES];
- } else {
- [removeButton setEnabled:NO];
- }
-}
-- (void)tableViewSelectionIsChanging:(NSNotification *)aNotification
-{
-
-}
-- (void)tableViewColumnDidResize:(NSNotification *)aNotification
-{
-
-}
-- (BOOL)tableView:(NSTableView *)aTableView shouldEditTableColumn:(NSTableColumn *)aTableColumn row:(int)rowIndex
-{
- return NO;
-}
-- (BOOL)tableView:(NSTableView *)tableView writeRows:(NSArray*)rows toPasteboard:(NSPasteboard*)pboard
-{
- return FALSE;
-}
-- (BOOL)control:(NSControl *)control textView:(NSTextView *)textView doCommandBySelector:(SEL)command
-{
- return FALSE;
-}
-
-@end
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