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//
// MShellTextView.m
// MySQL GRT
//
// Created by Alfredo Kojima on 05/7/13.
// Copyright 2005 MySQL AB. All rights reserved.
//
#import "MShellTextView.h"
@implementation MShellTextView
- (void)dealloc
{
[_history release];
[super dealloc];
}
- (void)setGRTEnvironment:(MGRT*)grt
{
_grt= grt;
}
- (void)makeReady
{
NSString *prompt= [_grt shellPrompt];
_promptRange.location= [self selectedRange].location;
[self insertText:prompt];
_promptRange.length= [self selectedRange].location-_promptRange.location;
_promptShown= YES;
if (!_history)
_history= [[NSMutableArray alloc] init];
}
- (void)appendText:(NSString *)aString
{
BOOL hadPrompt;
if ([self selectedRange].location < NSMaxRange(_promptRange))
{
[self setSelectedRange:NSMakeRange([[self string] length], 0)];
}
hadPrompt= _promptShown;
if (_promptShown)
{
[self setSelectedRange:_promptRange];
[self delete:nil];
_promptShown= NO;
}
[super insertText:aString];
if (hadPrompt)
[self makeReady];
}
- (void)insertNewline:(id)sender
{
NSString *command;
command= [[self string] substringFromIndex:NSMaxRange(_promptRange)];
[_history insertObject:command atIndex:0];
_historyIndex= 0;
[super moveToEndOfParagraph:sender];
[super insertNewline:sender];
_promptShown= NO;
[_grt performShellCommand:command];
[self makeReady];
}
- (void)deleteBackward:(id)sender
{
NSRange range= [self selectedRange];
if (range.location > NSMaxRange(_promptRange) || range.length > 0)
[super deleteBackward:sender];
}
- (void)moveWordBackwardAndModifySelection:(id)sender
{
NSRange orange= [self selectedRange];
[super moveWordBackwardAndModifySelection:sender];
if ([self selectedRange].location < NSMaxRange(_promptRange))
{
NSRange range;
unsigned int end;
range= [self selectedRange];
end= NSMaxRange(range);
range.location= NSMaxRange(_promptRange);
if (range.location > end)
{
[self setSelectedRange:orange];
return;
}
range.length= end-range.location;
[self setSelectedRange:range];
}
}
- (void)deleteToBeginningOfLine:(id)sender
{
NSRange range;
range.location= NSMaxRange(_promptRange);
range.length= [self selectedRange].location- range.location;
[self setSelectedRange:range];
[self delete:sender];
}
- (void)deleteWordBackward:(id)sender
{
NSRange orange= [self selectedRange];
if (orange.length == 0)
{
NSRange range;
[super moveWordBackwardAndModifySelection:sender];
if ([self selectedRange].location < NSMaxRange(_promptRange))
{
unsigned int end;
range= [self selectedRange];
end= NSMaxRange(range);
range.location= NSMaxRange(_promptRange);
if (range.location > end)
{
[self setSelectedRange:orange];
return;
}
range.length= end-range.location;
[self setSelectedRange:range];
[super delete:nil];
}
else
[super deleteWordBackward:sender];
}
else
[super deleteWordBackward:sender];
}
- (void)moveLeft:(id)sender
{
if ([self selectedRange].location > NSMaxRange(_promptRange))
[super moveLeft:sender];
else
[self setSelectedRange:NSMakeRange(NSMaxRange(_promptRange),0)];
}
- (void)moveUp:(id)sender
{
if ([self selectedRange].location < NSMaxRange(_promptRange))
[self setSelectedRange:NSMakeRange(NSMaxRange(_promptRange),0)];
else
{
if ([_history count] > 0 && _historyIndex <= [_history count]-1)
{
if (_historyIndex == 0)
{
if (_currentString)
[_currentString release];
_currentString= [[[self string] substringFromIndex:NSMaxRange(_promptRange)] retain];
}
[self setSelectedRange:NSMakeRange(NSMaxRange(_promptRange), 0)];
[self deleteToEndOfParagraph:nil];
[self insertText:[_history objectAtIndex:_historyIndex]];
_historyIndex++;
}
}
}
- (void)moveDown:(id)sender
{
if ([self selectedRange].location < NSMaxRange(_promptRange))
[self setSelectedRange:NSMakeRange(NSMaxRange(_promptRange),0)];
else
{
if (_historyIndex > 0)
{
_historyIndex--;
if (_historyIndex == 0)
{
if (_currentString)
{
[self setSelectedRange:NSMakeRange(NSMaxRange(_promptRange), 0)];
[self deleteToEndOfParagraph:nil];
[self insertText:_currentString];
[_currentString release];
_currentString= nil;
}
}
else
{
[self setSelectedRange:NSMakeRange(NSMaxRange(_promptRange), 0)];
[self deleteToEndOfParagraph:nil];
[self insertText:[_history objectAtIndex:_historyIndex-1]];
}
}
else if (_currentString && 0)
{
[self setSelectedRange:NSMakeRange(NSMaxRange(_promptRange), 0)];
[self deleteToEndOfParagraph:nil];
[self insertText:_currentString];
[_currentString release];
_currentString= nil;
}
}
}
@end
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