Source/BreakpointController.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2011, Blue Static <http://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import "BreakpointController.h"
  18 #import "AppDelegate.h"
  19
  20
  21 @implementation BreakpointController
  22
  23 @synthesize tableView = tableView_;
  24 @synthesize arrayController = arrayController_;
  25 @synthesize sourceView = sourceView_;
  26
  27 /**
  28  * Constructor
  29  */
  30 - (id)init
  31 {
  32   if (self = [super initWithWindowNibName:@"Breakpoints"])
  33   {
  34     manager = [BreakpointManager sharedManager];
  35     if ([[NSUserDefaults standardUserDefaults] boolForKey:@"BreakpointsWindowVisible"])
  36       [[self window] orderBack:nil];
  37   }
  38   return self;
  39 }
  40
  41 /**
  42  * Awake from NIB.
  43  */
  44 - (void)awakeFromNib
  45 {
  46   NSArray* dragTypes = [NSArray arrayWithObject:NSFilenamesPboardType];
  47   [tableView_ registerForDraggedTypes:dragTypes];
  48 }
  49
  50 /**
  51  * Adds a breakpoint by calling up a file chooser and selecting a file for
  52  * breaking in
  53  */
  54 - (IBAction)addBreakpoint:(id)sender
  55 {
  56   NSOpenPanel* panel = [NSOpenPanel openPanel];
  57
  58   if ([panel runModal] != NSOKButton)
  59     return;
  60
  61   [sourceView_ setFile:[panel filename]];
  62 }
  63
  64 /**
  65  * Removes a breakpoint
  66  */
  67 - (IBAction)removeBreakpoint:(id)sender
  68 {
  69   NSArray* selection = [arrayController_ selectedObjects];
  70   if ([selection count] < 1)
  71     return;
  72
  73   for (Breakpoint* bp in selection)
  74     [manager removeBreakpointAt:[bp line] inFile:[bp file]];
  75 }
  76
  77 #pragma mark NSTableView Delegate
  78
  79 /**
  80  * NSTableView delegate method that informs the controller that the stack selection did change and that
  81  * we should update the source viewer
  82  */
  83 - (void)tableViewSelectionDidChange:(NSNotification*)notif
  84 {
  85   NSArray* selection = [arrayController_ selectedObjects];
  86   if ([selection count] < 1)
  87     return;
  88
  89   Breakpoint* bp = [selection objectAtIndex:0];
  90   [sourceView_ setFile:[bp file]];
  91   if ([bp line] > 0)
  92     [sourceView_ scrollToLine:[bp line]];
  93   [[sourceView_ numberView] setMarkers:[NSSet setWithArray:[manager breakpointsForFile:[bp file]]]];
  94 }
  95
  96 #pragma mark NSTableView Data Source
  97
  98 /**
  99  * Handles the beginning of a drag operation.
 100  */
 101 - (BOOL)tableView:(NSTableView*)aTableView
 102     writeRowsWithIndexes:(NSIndexSet*)rowIndexes
 103     toPasteboard:(NSPasteboard*)pboard
 104 {
 105   NSLog(@"begin");
 106   return [[pboard types] containsObject:NSFilenamesPboardType];
 107 }
 108
 109 /**
 110  * Validates the drag operation.
 111  */
 112 - (NSDragOperation)tableView:(NSTableView*)aTableView
 113                 validateDrop:(id<NSDraggingInfo>)info
 114                  proposedRow:(NSInteger)row
 115        proposedDropOperation:(NSTableViewDropOperation)operation
 116 {
 117   NSLog(@"validate");
 118   NSPasteboard* pboard = [info draggingPasteboard];
 119   if ([[pboard types] containsObject:NSFilenamesPboardType]) {
 120     NSArray* files = [pboard propertyListForType:NSFilenamesPboardType];
 121     if ([files count])
 122       return NSDragOperationGeneric;
 123   }
 124   return NSDragOperationNone;
 125 }
 126
 127 /**
 128  * Incorporates the dropped data.
 129  */
 130 - (BOOL)tableView:(NSTableView*)aTableView
 131        acceptDrop:(id<NSDraggingInfo>)info
 132               row:(NSInteger)row
 133     dropOperation:(NSTableViewDropOperation)operation
 134 {
 135   NSLog(@"accept");
 136   BOOL valid = [self tableView:aTableView
 137                   validateDrop:info
 138                    proposedRow:row
 139          proposedDropOperation:operation] == NSDragOperationGeneric;
 140   if (valid) {
 141     NSPasteboard* pboard = [info draggingPasteboard];
 142     NSArray* files = [pboard propertyListForType:NSFilenamesPboardType];
 143     for (NSString* file in files) {
 144       Breakpoint* bp = [[[Breakpoint alloc] initWithLine:0 inFile:file] autorelease];
 145       [manager addBreakpoint:bp];
 146     }
 147     return YES;
 148   }
 149   return NO;
 150 }
 151
 152 #pragma mark BSSourceView Delegate
 153
 154 /**
 155  * The gutter was clicked, which indicates that a breakpoint needs to be changed
 156  */
 157 - (void)gutterClickedAtLine:(int)line forFile:(NSString*)file
 158 {
 159   if ([manager hasBreakpointAt:line inFile:file]) {
 160     [manager removeBreakpointAt:line inFile:file];
 161   } else {
 162     Breakpoint* bp = [[Breakpoint alloc] initWithLine:line inFile:file];
 163     [manager addBreakpoint:bp];
 164     [bp release];
 165   }
 166
 167   [[sourceView_ numberView] setMarkers:[NSSet setWithArray:[manager breakpointsForFile:file]]];
 168   [[sourceView_ numberView] setNeedsDisplay:YES];
 169 }
 170
 171 @end