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Diffstat (limited to 'Source/SPDatabaseViewController.m')
| -rw-r--r-- | Source/SPDatabaseViewController.m | 485 |
1 files changed, 485 insertions, 0 deletions
diff --git a/Source/SPDatabaseViewController.m b/Source/SPDatabaseViewController.m new file mode 100644 index 00000000..cb5b5bb2 --- /dev/null +++ b/Source/SPDatabaseViewController.m @@ -0,0 +1,485 @@ +// +// $Id$ +// +// SPDatabaseViewController.m +// sequel-pro +// +// Created by Rowan Beentje on 31/10/2010. +// Copyright 2010 Arboreal. 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 "SPDatabaseViewController.h" +#import "SPTableData.h" + +@interface SPDatabaseDocument (SPDatabaseViewControllerPrivateAPI) + +- (void)_loadTabTask:(NSTabViewItem *)tabViewItem; +- (void)_loadTableTask; + +@end + + +@implementation SPDatabaseDocument (SPDatabaseViewController) + +#pragma mark - +#pragma mark Getters + +/** + * Returns the master database view, containing the tables list and views for + * table setup and contents. + */ +- (NSView *)databaseView +{ + return parentView; +} + +/** + * Returns the name of the currently selected table/view/procedure/function. + */ +- (NSString *)table +{ + return selectedTableName; +} + +/** + * Returns the currently selected table type, or -1 if no table or multiple tables are selected + */ +- (NSInteger)tableType +{ + return selectedTableType; +} + +/** + * Returns YES if table source has already been loaded + */ +- (BOOL)structureLoaded +{ + return structureLoaded; +} + +/** + * Returns YES if table content has already been loaded + */ +- (BOOL)contentLoaded +{ + return contentLoaded; +} + +/** + * Returns YES if table status has already been loaded + */ +- (BOOL)statusLoaded +{ + return statusLoaded; +} + + +#pragma mark - +#pragma mark Tab view control and delegate methods + +- (IBAction)viewStructure:(id)sender +{ + // Cancel the selection if currently editing a view and unable to save + if (![self couldCommitCurrentViewActions]) { + [mainToolbar setSelectedItemIdentifier:*SPViewModeToMainToolbarMap[[prefs integerForKey:SPLastViewMode]]]; + return; + } + + [tableTabView selectTabViewItemAtIndex:0]; + [mainToolbar setSelectedItemIdentifier:SPMainToolbarTableStructure]; + [spHistoryControllerInstance updateHistoryEntries]; + + [prefs setInteger:SPStructureViewMode forKey:SPLastViewMode]; +} + +- (IBAction)viewContent:(id)sender +{ + + // Cancel the selection if currently editing a view and unable to save + if (![self couldCommitCurrentViewActions]) { + [mainToolbar setSelectedItemIdentifier:*SPViewModeToMainToolbarMap[[prefs integerForKey:SPLastViewMode]]]; + return; + } + + [tableTabView selectTabViewItemAtIndex:1]; + [mainToolbar setSelectedItemIdentifier:SPMainToolbarTableContent]; + [spHistoryControllerInstance updateHistoryEntries]; + + [prefs setInteger:SPContentViewMode forKey:SPLastViewMode]; +} + +- (IBAction)viewQuery:(id)sender +{ + + // Cancel the selection if currently editing a view and unable to save + if (![self couldCommitCurrentViewActions]) { + [mainToolbar setSelectedItemIdentifier:*SPViewModeToMainToolbarMap[[prefs integerForKey:SPLastViewMode]]]; + return; + } + + [tableTabView selectTabViewItemAtIndex:2]; + [mainToolbar setSelectedItemIdentifier:SPMainToolbarCustomQuery]; + [spHistoryControllerInstance updateHistoryEntries]; + + // Set the focus on the text field + [parentWindow makeFirstResponder:customQueryTextView]; + + [prefs setInteger:SPQueryEditorViewMode forKey:SPLastViewMode]; +} + +- (IBAction)viewStatus:(id)sender +{ + + // Cancel the selection if currently editing a view and unable to save + if (![self couldCommitCurrentViewActions]) { + [mainToolbar setSelectedItemIdentifier:*SPViewModeToMainToolbarMap[[prefs integerForKey:SPLastViewMode]]]; + return; + } + + [tableTabView selectTabViewItemAtIndex:3]; + [mainToolbar setSelectedItemIdentifier:SPMainToolbarTableInfo]; + [spHistoryControllerInstance updateHistoryEntries]; + + // Refresh data + if([self table] && [[self table] length]) { + [tableDataInstance resetAllData]; + [extendedTableInfoInstance loadTable:[self table]]; + } + + [parentWindow makeFirstResponder:[extendedTableInfoInstance valueForKeyPath:@"tableCreateSyntaxTextView"]]; + + [prefs setInteger:SPTableInfoViewMode forKey:SPLastViewMode]; +} + +- (IBAction)viewRelations:(id)sender +{ + + // Cancel the selection if currently editing a view and unable to save + if (![self couldCommitCurrentViewActions]) { + [mainToolbar setSelectedItemIdentifier:*SPViewModeToMainToolbarMap[[prefs integerForKey:SPLastViewMode]]]; + return; + } + + [tableTabView selectTabViewItemAtIndex:4]; + [mainToolbar setSelectedItemIdentifier:SPMainToolbarTableRelations]; + [spHistoryControllerInstance updateHistoryEntries]; + + [prefs setInteger:SPRelationsViewMode forKey:SPLastViewMode]; +} + +- (IBAction)viewTriggers:(id)sender +{ + + // Cancel the selection if currently editing a view and unable to save + if (![self couldCommitCurrentViewActions]) { + [mainToolbar setSelectedItemIdentifier:*SPViewModeToMainToolbarMap[[prefs integerForKey:SPLastViewMode]]]; + return; + } + + [tableTabView selectTabViewItemAtIndex:5]; + [mainToolbar setSelectedItemIdentifier:SPMainToolbarTableTriggers]; + [spHistoryControllerInstance updateHistoryEntries]; + + [prefs setInteger:SPTriggersViewMode forKey:SPLastViewMode]; +} + +/** + * Mark the structure tab for refresh when it's next switched to, + * or reload the view if it's currently active + */ +- (void)setStructureRequiresReload:(BOOL)reload +{ + if (reload && selectedTableName && [tableTabView indexOfTabViewItem:[tableTabView selectedTabViewItem]] == SPTableViewStructure) { + [tableSourceInstance loadTable:selectedTableName]; + } else { + structureLoaded = !reload; + } +} + +/** + * Mark the content tab for refresh when it's next switched to, + * or reload the view if it's currently active + */ +- (void)setContentRequiresReload:(BOOL)reload +{ + if (reload && selectedTableName && [tableTabView indexOfTabViewItem:[tableTabView selectedTabViewItem]] == SPTableViewContent) { + [tableContentInstance loadTable:selectedTableName]; + } else { + contentLoaded = !reload; + } +} + +/** + * Mark the extended tab info for refresh when it's next switched to, + * or reload the view if it's currently active + */ +- (void)setStatusRequiresReload:(BOOL)reload +{ + if (reload && selectedTableName && [tableTabView indexOfTabViewItem:[tableTabView selectedTabViewItem]] == SPTableViewStatus) { + [[extendedTableInfoInstance onMainThread] loadTable:selectedTableName]; + } else { + statusLoaded = !reload; + } +} + + +/** + * Triggers a task to update the newly selected tab view, ensuring + * the data is fully loaded and up-to-date. + */ +- (void)tabView:(NSTabView *)aTabView didSelectTabViewItem:(NSTabViewItem *)tabViewItem +{ + [self startTaskWithDescription:[NSString stringWithFormat:NSLocalizedString(@"Loading %@...", @"Loading table task string"), [self table]]]; + if ([NSThread isMainThread]) { + [NSThread detachNewThreadSelector:@selector(_loadTabTask:) toTarget:self withObject:tabViewItem]; + } else { + [self _loadTabTask:tabViewItem]; + } +} + +#pragma mark - +#pragma mark Table control + +/** + * Loads a specified table into the database view, and ensures it's selected in + * the tables list. Passing a table name of nil will deselect any currently selected + * table, but will leave multiple selections intact. + * If this method is supplied with the currently selected name, a reload rather than + * a load will be triggered. + */ +- (void)loadTable:(NSString *)aTable ofType:(NSInteger)aTableType +{ + + // Ensure a connection is still present + if (![mySQLConnection isConnected]) return; + + // If the supplied table name was nil, clear the views. + if (!aTable) { + + // Update the selected table name and type + if (selectedTableName) [selectedTableName release], selectedTableName = nil; + selectedTableType = SPTableTypeNone; + + // Clear the views + if ([[tablesListInstance selectedTableNames] count] == 1) { + [[tablesListInstance onMainThread] setSelection:nil]; + } + [tableSourceInstance loadTable:nil]; + [tableContentInstance loadTable:nil]; + [[extendedTableInfoInstance onMainThread] loadTable:nil]; + [[tableTriggersInstance onMainThread] loadTriggers]; + structureLoaded = NO; + contentLoaded = NO; + statusLoaded = NO; + triggersLoaded = NO; + + // Update the window title + [[self onMainThread] updateWindowTitle:self]; + + // Add a history entry + [spHistoryControllerInstance updateHistoryEntries]; + + // Notify listeners of the table change + [[NSNotificationCenter defaultCenter] postNotificationOnMainThreadWithName:SPTableChangedNotification object:self]; + + return; + } + + BOOL isReloading = (selectedTableName && [selectedTableName isEqualToString:aTable]); + + // Store the new name + if (selectedTableName) [selectedTableName release]; + selectedTableName = [[NSString alloc] initWithString:aTable]; + selectedTableType = aTableType; + + // Start a task + if (isReloading) { + [self startTaskWithDescription:NSLocalizedString(@"Reloading...", @"Reloading table task string")]; + } else { + [self startTaskWithDescription:[NSString stringWithFormat:NSLocalizedString(@"Loading %@...", @"Loading table task string"), aTable]]; + } + + // Update the tables list interface - also updates menus to reflect the selected table type + [[tablesListInstance onMainThread] setSelection:[NSDictionary dictionaryWithObjectsAndKeys:aTable, @"name", [NSNumber numberWithInteger:aTableType], @"type", nil]]; + + // If on the main thread, fire up a thread to deal with view changes and data loading; + // if already on a background thread, make the changes on the existing thread. + if ([NSThread isMainThread]) { + [NSThread detachNewThreadSelector:@selector(_loadTableTask) toTarget:self withObject:nil]; + } else { + [self _loadTableTask]; + } +} + +@end + +#pragma mark - + +@implementation SPDatabaseDocument (SPDatabaseViewControllerPrivateAPI) + +/** + * In a threaded task, ensure that the supplied tab is loaded - + * usually as a result of switching to it. + */ +- (void)_loadTabTask:(NSTabViewItem *)tabViewItem +{ + NSAutoreleasePool *tabLoadPool = [[NSAutoreleasePool alloc] init]; + + // If anything other than a single table or view is selected, don't proceed. + if (![self table] + || ([tablesListInstance tableType] != SPTableTypeTable && [tablesListInstance tableType] != SPTableTypeView)) + { + [self endTask]; + [tabLoadPool drain]; + return; + } + + // Get the tab view index and ensure the associated view is loaded + NSInteger selectedTabViewIndex = [[tabViewItem tabView] indexOfTabViewItem:tabViewItem]; + + switch (selectedTabViewIndex) { + case SPTableViewStructure: + if (!structureLoaded) { + [tableSourceInstance loadTable:selectedTableName]; + structureLoaded = YES; + } + break; + case SPTableViewContent: + if (!contentLoaded) { + [tableContentInstance loadTable:selectedTableName]; + contentLoaded = YES; + } + break; + case SPTableViewStatus: + if (!statusLoaded) { + [[extendedTableInfoInstance onMainThread] loadTable:selectedTableName]; + statusLoaded = YES; + } + break; + case SPTableViewTriggers: + if (!triggersLoaded) { + [[tableTriggersInstance onMainThread] loadTriggers]; + triggersLoaded = YES; + } + break; + } + + [self endTask]; + [tabLoadPool drain]; +} + + +/** + * In a threaded task, load the currently selected table/view/proc/function. + */ +- (void)_loadTableTask +{ + NSAutoreleasePool *loadPool = [[NSAutoreleasePool alloc] init]; + NSString *tableEncoding = nil; + + // Update the window title + [[self onMainThread] updateWindowTitle:self]; + + // Reset table information caches + [tableDataInstance resetAllData]; + + // Ensure status and details are fetched using UTF8 + NSString *previousEncoding = [mySQLConnection encoding]; + BOOL changeEncoding = ![previousEncoding isEqualToString:@"utf8"]; + if (changeEncoding) { + [mySQLConnection storeEncodingForRestoration]; + [mySQLConnection setEncoding:@"utf8"]; + } + + // Cache status information on the working thread + [tableDataInstance updateStatusInformationForCurrentTable]; + + // Check the current encoding against the table encoding to see whether + // an encoding change and reset is required + if( selectedTableType == SPTableTypeView || selectedTableType == SPTableTypeTable) { + + // tableEncoding == nil indicates that there was an error while retrieving table data + tableEncoding = [tableDataInstance tableEncoding]; + + // If encoding is set to Autodetect, update the connection character set encoding + // based on the newly selected table's encoding - but only if it differs from the current encoding. + if ([[[NSUserDefaults standardUserDefaults] objectForKey:SPDefaultEncoding] intValue] == SPEncodingAutodetect) { + if (tableEncoding != nil && ![tableEncoding isEqualToString:previousEncoding]) { + [self setConnectionEncoding:tableEncoding reloadingViews:NO]; + changeEncoding = NO; + } + } + } + + if (changeEncoding) [mySQLConnection restoreStoredEncoding]; + + // Notify listeners of the table change now that the state is fully set up. + [[NSNotificationCenter defaultCenter] postNotificationOnMainThreadWithName:SPTableChangedNotification object:self]; + + // Restore view states as appropriate + [spHistoryControllerInstance restoreViewStates]; + + // Reset all loaded views + structureLoaded = NO; + contentLoaded = NO; + statusLoaded = NO; + triggersLoaded = NO; + [tableSourceInstance loadTable:nil]; + [tableContentInstance loadTable:nil]; + [[extendedTableInfoInstance onMainThread] loadTable:nil]; + [[tableTriggersInstance onMainThread] loadTriggers]; + + // Load the currently selected view if looking at a table or view + if (tableEncoding && (selectedTableType == SPTableTypeView || selectedTableType == SPTableTypeTable)) + { + NSInteger selectedTabViewIndex = [tableTabView indexOfTabViewItem:[tableTabView selectedTabViewItem]]; + + switch (selectedTabViewIndex) { + case SPTableViewStructure: + [tableSourceInstance loadTable:selectedTableName]; + structureLoaded = YES; + break; + case SPTableViewContent: + [tableContentInstance loadTable:selectedTableName]; + contentLoaded = YES; + break; + case SPTableViewStatus: + [[extendedTableInfoInstance onMainThread] loadTable:selectedTableName]; + statusLoaded = YES; + break; + case SPTableViewTriggers: + [[tableTriggersInstance onMainThread] loadTriggers]; + triggersLoaded = YES; + break; + } + } + + // Update the "Show Create Syntax" window if it's already opened + // according to the selected table/view/proc/func + if([[[self onMainThread] getCreateTableSyntaxWindow] isVisible]) + [[self onMainThread] showCreateTableSyntax:self]; + + // Add a history entry + [spHistoryControllerInstance updateHistoryEntries]; + + // Empty the loading pool and exit the thread + [self endTask]; + [loadPool drain]; +} + +@end
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