HistoryView: Don't show path lines if the list is changed

This avoids drawing path lines if the list is sorted
or if there is a search, which would show the lines incorrectly.

PBGitHistoryController.h

@@ -40,4 +40,5 @@
 - (IBAction) openSelectedFile: sender;
 - (void) updateQuicklookForce: (BOOL) force;
 
+- (BOOL) hasNonlinearPath;
 @end

PBGitHistoryController.m

@@ -152,4 +152,8 @@ - (void) selectCommit: (NSString*) commit
 	[commitList scrollRowToVisible: index];
 }
 
+- (BOOL) hasNonlinearPath
+{
+	return [commitController filterPredicate] || [[commitController sortDescriptors] count] > 0;
+}
 @end

PBGitHistoryView.xib

@@ -8,7 +8,7 @@
 		<string key="IBDocument.HIToolboxVersion">352.00</string>
 		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
 			<bool key="EncodedWithXMLCoder">YES</bool>
-			<integer value="6"/>
+			<integer value="32"/>
 		</object>
 		<object class="NSArray" key="IBDocument.PluginDependencies">
 			<bool key="EncodedWithXMLCoder">YES</bool>
@@ -1312,6 +1312,14 @@
 					</object>
 					<int key="connectionID">109</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBOutletConnection" key="connection">
+						<string key="label">controller</string>
+						<reference key="source" ref="977219207"/>
+						<reference key="destination" ref="1001"/>
+					</object>
+					<int key="connectionID">110</int>
+				</object>
 			</object>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<object class="NSArray" key="orderedObjects">
@@ -1844,7 +1852,7 @@
 				</object>
 			</object>
 			<nil key="sourceID"/>
-			<int key="maxID">109</int>
+			<int key="maxID">110</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<object class="NSMutableArray" key="referencedPartialClassDescriptions">
@@ -1928,8 +1936,17 @@
 					<string key="className">PBGitRevisionCell</string>
 					<string key="superclassName">NSActionCell</string>
 					<object class="NSMutableDictionary" key="outlets">
-						<string key="NS.key.0">objectValue</string>
-						<string key="NS.object.0">id</string>
+						<bool key="EncodedWithXMLCoder">YES</bool>
+						<object class="NSMutableArray" key="dict.sortedKeys">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<string>controller</string>
+							<string>objectValue</string>
+						</object>
+						<object class="NSMutableArray" key="dict.values">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<string>PBGitHistoryController</string>
+							<string>id</string>
+						</object>
 					</object>
 					<object class="IBClassDescriptionSource" key="sourceIdentifier">
 						<string key="majorKey">IBProjectSource</string>

PBGitRevisionCell.h

@@ -9,11 +9,13 @@
 #import <Cocoa/Cocoa.h>
 #import "PBGitGrapher.h"
 #import "PBGraphCellInfo.h"
+#import "PBGitHistoryController.h"
 
 @interface PBGitRevisionCell : NSActionCell {
 	id objectValue;
-	PBGraphCellInfo*	cellInfo;
-	NSTextFieldCell* textCell;
+	PBGraphCellInfo *cellInfo;
+	NSTextFieldCell *textCell;
+	IBOutlet PBGitHistoryController *controller;
 }
 
 @property(retain) PBGitCommit* objectValue;

PBGitRevisionCell.m

@@ -180,7 +180,7 @@ - (void) drawWithFrame: (NSRect) rect inView:(NSView *)view
 {
 	cellInfo = [self.objectValue lineInfo];
 
-	if (cellInfo) {
+	if (cellInfo && ![controller hasNonlinearPath]) {
 		float pathWidth = 10 + 10 * cellInfo.numColumns;
 
 		NSRect ownRect;