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Add a string truncation category because on a very large commit the s…
…howMessage sheet just exploded out of my monitor.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // | ||
| // NSString_Truncate.h | ||
| // GitX | ||
| // | ||
| // Created by Andre Berg on 24.03.10. | ||
| // Copyright 2010 Berg Media. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
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| #import <Cocoa/Cocoa.h> | ||
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| typedef enum { | ||
| PBNSStringTruncateModeCenter = 0, | ||
| PBNSStringTruncateModeStart = 1, | ||
| PBNSStringTruncateModeEnd = 2 | ||
| } PBNSStringTruncateMode; | ||
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| @interface NSString (PBGitXTruncateExtensions) | ||
|
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| - (NSString *) truncateToLength:(NSUInteger)length mode:(PBNSStringTruncateMode)mode indicator:(NSString *)indicatorString; | ||
|
|
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // | ||
| // NSString_Truncate.m | ||
| // GitX | ||
| // | ||
| // Created by Andre Berg on 24.03.10. | ||
| // Copyright 2010 Berg Media. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| #import "NSString_Truncate.h" | ||
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| @implementation NSString (PBGitXTruncateExtensions) | ||
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| - (NSString *) truncateToLength:(NSUInteger)targetLength mode:(PBNSStringTruncateMode)mode indicator:(NSString *)indicatorString { | ||
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| NSString * res = nil; | ||
| NSString * firstPart; | ||
| NSString * lastPart; | ||
|
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| if (!indicatorString) { | ||
| indicatorString = @"..."; | ||
| } | ||
|
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| NSUInteger stringLength = [self length]; | ||
| NSUInteger ilength = [indicatorString length]; | ||
|
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| if (stringLength <= targetLength) { | ||
| return self; | ||
| } else if (stringLength <= 0 || (!self)) { | ||
| return nil; | ||
| } else { | ||
| switch (mode) { | ||
| case PBNSStringTruncateModeCenter: | ||
| firstPart = [self substringToIndex:(targetLength/2)]; | ||
| lastPart = [self substringFromIndex:(stringLength-((targetLength/2))+ilength)]; | ||
| res = [NSString stringWithFormat:@"%@%@%@", firstPart, indicatorString, lastPart]; | ||
| break; | ||
| case PBNSStringTruncateModeStart: | ||
| res = [NSString stringWithFormat:@"%@%@", indicatorString, [self substringFromIndex:((stringLength-targetLength)+ilength)]]; | ||
| break; | ||
| case PBNSStringTruncateModeEnd: | ||
| res = [NSString stringWithFormat:@"%@%@", [self substringToIndex:(targetLength-ilength)], indicatorString]; | ||
| break; | ||
| default: | ||
| ; | ||
| NSException * myException = [NSException exceptionWithName:NSInvalidArgumentException | ||
| reason:[NSString stringWithFormat: | ||
| @"[%@ %s] called with nonsensical value for 'mode' (mode = %d) ***", | ||
| [self class], _cmd, mode] | ||
| userInfo:nil]; | ||
| @throw myException; | ||
| return res; | ||
| break; | ||
| }; | ||
| } | ||
| return res; | ||
| } | ||
|
|
||
| @end |
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