From 7a8a10f2673ce531fcb38cfec89a04991bbe09c0 Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Wed, 5 Jan 2011 21:53:16 -0500
Subject: [PATCH] Add drag and drop for the table view.

---
 English.lproj/Breakpoints.xib | 12 ++++++++++--
 Source/BreakpointController.m | 30 +++++++++++++++++++++++++++++-
 Source/BreakpointManager.m    | 22 ++++++++++++----------
 3 files changed, 51 insertions(+), 13 deletions(-)

diff --git a/English.lproj/Breakpoints.xib b/English.lproj/Breakpoints.xib
index 1574853..c1093b5 100644
--- a/English.lproj/Breakpoints.xib
+++ b/English.lproj/Breakpoints.xib
@@ -12,7 +12,7 @@
 		</object>
 		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
 			<bool key="EncodedWithXMLCoder">YES</bool>
-			<integer value="1"/>
+			<integer value="10"/>
 		</object>
 		<object class="NSArray" key="IBDocument.PluginDependencies">
 			<bool key="EncodedWithXMLCoder">YES</bool>
@@ -480,6 +480,14 @@
 					</object>
 					<int key="connectionID">50</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBOutletConnection" key="connection">
+						<string key="label">dataSource</string>
+						<reference key="source" ref="648662165"/>
+						<reference key="destination" ref="1001"/>
+					</object>
+					<int key="connectionID">51</int>
+				</object>
 			</object>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<object class="NSArray" key="orderedObjects">
@@ -741,7 +749,7 @@
 				</object>
 			</object>
 			<nil key="sourceID"/>
-			<int key="maxID">50</int>
+			<int key="maxID">51</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<object class="NSMutableArray" key="referencedPartialClassDescriptions">
diff --git a/Source/BreakpointController.m b/Source/BreakpointController.m
index ef3e5a9..1f08eba 100644
--- a/Source/BreakpointController.m
+++ b/Source/BreakpointController.m
@@ -43,6 +43,8 @@
  */
 - (void)awakeFromNib
 {
+  NSArray* dragTypes = [NSArray arrayWithObject:NSFilenamesPboardType];
+  [tableView_ registerForDraggedTypes:dragTypes];
 }
 
 /**
@@ -86,7 +88,8 @@
   
   Breakpoint* bp = [selection objectAtIndex:0];
   [sourceView_ setFile:[bp file]];
-  [sourceView_ scrollToLine:[bp line]];
+  if ([bp line] > 0)
+    [sourceView_ scrollToLine:[bp line]];
   [[sourceView_ numberView] setMarkers:[NSSet setWithArray:[manager breakpointsForFile:[bp file]]]];
 }
 
@@ -99,6 +102,8 @@
     writeRowsWithIndexes:(NSIndexSet*)rowIndexes
     toPasteboard:(NSPasteboard*)pboard
 {
+  NSLog(@"begin");
+  return [[pboard types] containsObject:NSFilenamesPboardType];
 }
 
 /**
@@ -109,6 +114,14 @@
                  proposedRow:(NSInteger)row
        proposedDropOperation:(NSTableViewDropOperation)operation
 {
+  NSLog(@"validate");
+  NSPasteboard* pboard = [info draggingPasteboard];
+  if ([[pboard types] containsObject:NSFilenamesPboardType]) {
+    NSArray* files = [pboard propertyListForType:NSFilenamesPboardType];
+    if ([files count])
+      return NSDragOperationGeneric;
+  }
+  return NSDragOperationNone;
 }
 
 /**
@@ -119,6 +132,21 @@
               row:(NSInteger)row
     dropOperation:(NSTableViewDropOperation)operation
 {
+  NSLog(@"accept");
+  BOOL valid = [self tableView:aTableView
+                  validateDrop:info
+                   proposedRow:row
+         proposedDropOperation:operation] == NSDragOperationGeneric;
+  if (valid) {
+    NSPasteboard* pboard = [info draggingPasteboard];
+    NSArray* files = [pboard propertyListForType:NSFilenamesPboardType];
+    for (NSString* file in files) {
+      Breakpoint* bp = [[[Breakpoint alloc] initWithLine:0 inFile:file] autorelease];
+      [manager addBreakpoint:bp];
+    }
+    return YES;
+  }
+  return NO;
 }
 
 #pragma mark BSSourceView Delegate
diff --git a/Source/BreakpointManager.m b/Source/BreakpointManager.m
index 0407a47..6d4bcb8 100644
--- a/Source/BreakpointManager.m
+++ b/Source/BreakpointManager.m
@@ -67,13 +67,14 @@
  */
 - (void)addBreakpoint:(Breakpoint*)bp;
 {
-  if (![breakpoints containsObject:bp])
-  {
+  if (![breakpoints containsObject:bp]) {
     [breakpoints addObject:bp];
-    [connection addBreakpoint:bp];
-    
-    [savedBreakpoints addObject:[bp dictionary]];
-    [[NSUserDefaults standardUserDefaults] setValue:savedBreakpoints forKey:@"Breakpoints"];
+    if (bp.line > 0) {
+      [connection addBreakpoint:bp];
+
+      [savedBreakpoints addObject:[bp dictionary]];
+      [[NSUserDefaults standardUserDefaults] setValue:savedBreakpoints forKey:@"Breakpoints"];
+    }
     
     [self updateDisplaysForFile:[bp file]];
   }
@@ -89,11 +90,12 @@
     if ([b line] == line && [[b file] isEqualToString:file])
     {
       [breakpoints removeObject:b];
-      [connection removeBreakpoint:b];
-      
+      if (b.line > 0)
+        [connection removeBreakpoint:b];
+
       [savedBreakpoints removeObject:[b dictionary]];
       [[NSUserDefaults standardUserDefaults] setValue:savedBreakpoints forKey:@"Breakpoints"];
-      
+
       [self updateDisplaysForFile:file];
       return b;
     }
@@ -109,7 +111,7 @@
   NSMutableArray* matches = [NSMutableArray array];
   for (Breakpoint* b in breakpoints)
   {
-    if ([[b file] isEqualToString:file])
+    if ([[b file] isEqualToString:file] && [b line] > 0)
     {
       [matches addObject:b];
     }
-- 
2.22.5