// // $Id$ // // SPServerVariablesController.m // sequel-pro // // Created by Stuart Connolly (stuconnolly.com) on November 13, 2009 // Copyright (c) 2009 Stuart Connolly. 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 "SPServerVariablesController.h" #import "SPDatabaseDocument.h" @interface SPServerVariablesController (PrivateAPI) - (void)_getDatabaseServerVariables; - (void)_updateServerVariablesFilterForFilterString:(NSString *)filterString; - (void)_copyServerVariablesToPasteboardIncludingName:(BOOL)name andValue:(BOOL)value; @end @implementation SPServerVariablesController @synthesize connection; #pragma mark - #pragma mark Initialisation /** * Initialisation */ - (id)init { if ((self = [super initWithWindowNibName:@"DatabaseServerVariables"])) { variables = [[NSMutableArray alloc] init]; } return self; } /** * Interface initialisation */ - (void)awakeFromNib { NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults]; // Set the process table view's vertical gridlines if required [variablesTableView setGridStyleMask:([prefs boolForKey:SPDisplayTableViewVerticalGridlines]) ? NSTableViewSolidVerticalGridLineMask : NSTableViewGridNone]; // Set the strutcture and index view's font BOOL useMonospacedFont = [prefs boolForKey:SPUseMonospacedFonts]; for (NSTableColumn *column in [variablesTableView tableColumns]) { [[column dataCell] setFont:(useMonospacedFont) ? [NSFont fontWithName:SPDefaultMonospacedFontName size:[NSFont smallSystemFontSize]] : [NSFont systemFontOfSize:[NSFont smallSystemFontSize]]]; } // Register as an observer for the when the UseMonospacedFonts preference changes [prefs addObserver:self forKeyPath:SPUseMonospacedFonts options:NSKeyValueObservingOptionNew context:NULL]; } #pragma mark - #pragma mark IBAction methods /** * Copy implementation for server variables table view. */ - (IBAction)copy:(id)sender { [self _copyServerVariablesToPasteboardIncludingName:YES andValue:YES]; } /** * Copies the name(s) of the selected server variables. */ - (IBAction)copyServerVariableName:(id)sender { [self _copyServerVariablesToPasteboardIncludingName:YES andValue:NO]; } /** * Copies the value(s) of the selected server variables. */ - (IBAction)copyServerVariableValue:(id)sender { [self _copyServerVariablesToPasteboardIncludingName:NO andValue:YES]; } /** * Close the server variables sheet. */ - (IBAction)closeSheet:(id)sender { [NSApp endSheet:[self window] returnCode:[sender tag]]; [[self window] orderOut:self]; // If the filtered array is allocated and it's not a reference to the processes array get rid of it if ((variablesFiltered) && (variablesFiltered != variables)) { [variablesFiltered release], variablesFiltered = nil; } } /** * Saves the server variables to the selected file. */ - (IBAction)saveServerVariables:(id)sender { NSSavePanel *panel = [NSSavePanel savePanel]; [panel setRequiredFileType:@"cnf"]; [panel setExtensionHidden:NO]; [panel setAllowsOtherFileTypes:YES]; [panel setCanSelectHiddenExtension:YES]; [panel beginSheetForDirectory:nil file:@"ServerVariables" modalForWindow:[self window] modalDelegate:self didEndSelector:@selector(savePanelDidEnd:returnCode:contextInfo:) contextInfo:nil]; } #pragma mark - #pragma mark Other methods /** * Displays the process list sheet attached to the supplied window. */ - (void)displayServerVariablesSheetAttachedToWindow:(NSWindow *)window { // Weak reference variablesFiltered = variables; // Get the variables [self _getDatabaseServerVariables]; // Reload the tableview [variablesTableView reloadData]; // If the search field already has value from when the panel was previously open, apply the filter. if ([[filterVariablesSearchField stringValue] length] > 0) { [self _updateServerVariablesFilterForFilterString:[filterVariablesSearchField stringValue]]; } // Open the sheet [NSApp beginSheet:[self window] modalForWindow:window modalDelegate:self didEndSelector:nil contextInfo:nil]; } /** * Invoked when the save panel is dismissed. */ - (void)savePanelDidEnd:(NSSavePanel *)panel returnCode:(NSInteger)returnCode contextInfo:(NSString *)contextInfo { if (returnCode == NSOKButton) { if ([variablesFiltered count] > 0) { NSMutableString *variablesString = [NSMutableString stringWithFormat:@"# MySQL server variables for %@\n\n", [[[NSApp delegate] frontDocument] host]]; for (NSDictionary *variable in variablesFiltered) { [variablesString appendFormat:@"%@ = %@\n", [variable objectForKey:@"Variable_name"], [variable objectForKey:@"Value"]]; } [variablesString writeToFile:[panel filename] atomically:YES encoding:NSUTF8StringEncoding error:NULL]; } } } /** * Menu item validation. */ - (BOOL)validateMenuItem:(NSMenuItem *)menuItem { SEL action = [menuItem action]; if (action == @selector(copy:)) { return ([variablesTableView numberOfSelectedRows] > 0); } // Copy selected server variable name(s) if ([menuItem action] == @selector(copyServerVariableName:)) { [menuItem setTitle:([variablesTableView numberOfSelectedRows] > 1) ? NSLocalizedString(@"Copy Variable Names", @"copy server variable names menu item") : NSLocalizedString(@"Copy Variable Name", @"copy server variable name menu item")]; return ([variablesTableView numberOfSelectedRows] > 0); } // Copy selected server variable value(s) if ([menuItem action] == @selector(copyServerVariableValue:)) { [menuItem setTitle:([variablesTableView numberOfSelectedRows] > 1) ? NSLocalizedString(@"Copy Variable Values", @"copy server variable values menu item") : NSLocalizedString(@"Copy Variable Value", @"copy server variable value menu item")]; return ([variablesTableView numberOfSelectedRows] > 0); } return YES; } /** * This method is called as part of Key Value Observing which is used to watch for prefernce changes which effect the interface. */ - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { // Display table veiew vertical gridlines preference changed if ([keyPath isEqualToString:SPDisplayTableViewVerticalGridlines]) { [variablesTableView setGridStyleMask:([[change objectForKey:NSKeyValueChangeNewKey] boolValue]) ? NSTableViewSolidVerticalGridLineMask : NSTableViewGridNone]; } // Use monospaced fonts preference changed else if ([keyPath isEqualToString:SPUseMonospacedFonts]) { BOOL useMonospacedFont = [[change objectForKey:NSKeyValueChangeNewKey] boolValue]; for (NSTableColumn *column in [variablesTableView tableColumns]) { [[column dataCell] setFont:(useMonospacedFont) ? [NSFont fontWithName:SPDefaultMonospacedFontName size:[NSFont smallSystemFontSize]] : [NSFont systemFontOfSize:[NSFont smallSystemFontSize]]]; } [variablesTableView reloadData]; } } #pragma mark - #pragma mark Tableview delegate methods /** * Table view delegate method. Returns the number of rows in the table veiw. */ - (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView { return [variablesFiltered count]; } /** * Table view delegate method. Returns the specific object for the request column and row. */ - (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row { return [[variablesFiltered objectAtIndex:row] valueForKey:[tableColumn identifier]]; } #pragma mark - #pragma mark Text field delegate methods /** * Apply the filter string to the current process list. */ - (void)controlTextDidChange:(NSNotification *)notification { id object = [notification object]; if (object == filterVariablesSearchField) { [self _updateServerVariablesFilterForFilterString:[object stringValue]]; } } #pragma mark - /** * Dealloc */ - (void)dealloc { [[NSUserDefaults standardUserDefaults] removeObserver:self forKeyPath:SPUseMonospacedFonts]; [variables release], variables = nil; [super dealloc]; } @end @implementation SPServerVariablesController (PrivateAPI) /** * Gets the database's current server variables. */ - (void)_getDatabaseServerVariables { NSUInteger i = 0; // Get processes MCPResult *serverVariables = [connection queryString:@"SHOW VARIABLES"]; [serverVariables setReturnDataAsStrings:YES]; if ([serverVariables numOfRows]) [serverVariables dataSeek:0]; [variables removeAllObjects]; for (i = 0; i < [serverVariables numOfRows]; i++) { [variables addObject:[serverVariables fetchRowAsDictionary]]; } } /** * Filter the displayed server variables by matching the variable name and value against the * filter string. */ - (void)_updateServerVariablesFilterForFilterString:(NSString *)filterString { [saveVariablesButton setEnabled:NO]; filterString = [[filterString lowercaseString] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]; // If the filtered array is allocated and its not a reference to the variables array // relase it to prevent memory leaks upon the next allocation. if ((variablesFiltered) && (variablesFiltered != variables)) { [variablesFiltered release], variablesFiltered = nil; } variablesFiltered = [[NSMutableArray alloc] init]; if ([filterString length] == 0) { [variablesFiltered release]; variablesFiltered = variables; [saveVariablesButton setEnabled:YES]; [saveVariablesButton setTitle:@"Save As..."]; [variablesCountTextField setStringValue:@""]; [variablesTableView reloadData]; return; } for (NSDictionary *variable in variables) { if (([[variable objectForKey:@"Variable_name"] rangeOfString:filterString options:NSCaseInsensitiveSearch].location != NSNotFound) || ([[variable objectForKey:@"Value"] rangeOfString:filterString options:NSCaseInsensitiveSearch].location != NSNotFound)) { [variablesFiltered addObject:variable]; } } [variablesTableView reloadData]; [variablesCountTextField setHidden:NO]; [variablesCountTextField setStringValue:[NSString stringWithFormat:NSLocalizedString(@"%lu of %lu", "filtered item count"), (unsigned long)[variablesFiltered count], (unsigned long)[variables count]]]; if ([variablesFiltered count] == 0) return; [saveVariablesButton setEnabled:YES]; [saveVariablesButton setTitle:@"Save View As..."]; } /** * Copies either the name or value or both (as name = value pairs) of the currently selected server variables. */ - (void)_copyServerVariablesToPasteboardIncludingName:(BOOL)name andValue:(BOOL)value { // At least one of either name or value must be true if ((!name) && (!value)) return; NSResponder *firstResponder = [[self window] firstResponder]; if ((firstResponder == variablesTableView) && ([variablesTableView numberOfSelectedRows] > 0)) { NSString *string = @""; NSIndexSet *rows = [variablesTableView selectedRowIndexes]; NSUInteger i = [rows firstIndex]; while (i != NSNotFound) { if (i < [variablesFiltered count]) { NSDictionary *variable = NSArrayObjectAtIndex(variablesFiltered, i); NSString *variableName = [variable objectForKey:@"Variable_name"]; NSString *variableValue = [variable objectForKey:@"Value"]; // Decide what to include in the string if (name && value) { string = [string stringByAppendingFormat:@"%@ = %@\n", variableName, variableValue]; } else { string = [string stringByAppendingFormat:@"%@\n", (name) ? variableName : variableValue]; } } i = [rows indexGreaterThanIndex:i]; } NSPasteboard *pasteBoard = [NSPasteboard generalPasteboard]; // Copy the string to the pasteboard [pasteBoard declareTypes:[NSArray arrayWithObjects:NSStringPboardType, nil] owner:nil]; [pasteBoard setString:string forType:NSStringPboardType]; } } @end