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GemasDocument.m
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GemasDocument.m
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/*
Copyright (C) 2010, 2011, 2012, 2013 German A. Arias <[email protected]>
Copyright (C) 2020 Anthony Cohn-Richardby <[email protected]>
This file is part of Gemas application
Gemas is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This application is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
*/
#import "GemasController.h"
#import "GemasDocument.h"
#import "GemasEditorView.h"
#import "GNUstepGUI/GSTheme.h"
#import "Preferences.h"
#import "InputModifiers/ObjcAutoIndenter.h"
#import <Foundation/NSUserDefaults.h>
#import <HighlighterKit/HighlighterKit.h>
@interface GemasDocument (Private)
- (void) setupNewDefaults;
@end
@implementation GemasDocument (Private)
- (void) setupNewDefaults
{
NSFont *font = nil;
NSUserDefaults * df = [NSUserDefaults standardUserDefaults];
NSData * data;
data = [df dataForKey: @"EditorTextColor"];
if (data != nil)
{
ASSIGN (textColor, [NSKeyedUnarchiver unarchiveObjectWithData: data]);
}
else
{
ASSIGN (textColor, [NSColor blackColor]);
}
[textView setTextColor: textColor];
data = [df dataForKey: @"EditorBackgroundColor"];
if (data != nil)
{
[textView setBackgroundColor: [NSKeyedUnarchiver unarchiveObjectWithData: data]];
}
else
{
[textView setBackgroundColor: [NSColor whiteColor]];
}
data = [df dataForKey: @"EditorInsertionPointColor"];
if (data != nil)
{
[textView setInsertionPointColor: [NSKeyedUnarchiver unarchiveObjectWithData: data]];
}
else
{
[textView setInsertionPointColor: [NSColor blackColor]];
}
data = [df dataForKey: @"EditorSelectionColor"];
if (data != nil)
{
[textView setSelectedTextAttributes:
[NSDictionary dictionaryWithObjectsAndKeys:
[NSKeyedUnarchiver unarchiveObjectWithData: data], NSBackgroundColorAttributeName,
[NSColor whiteColor], NSForegroundColorAttributeName,
nil]];
}
else
{
[textView setSelectedTextAttributes:
[NSDictionary dictionaryWithObjectsAndKeys:
[NSColor grayColor], NSBackgroundColorAttributeName,
[NSColor whiteColor], NSForegroundColorAttributeName,
nil]];
}
/* Set the font here, so the textview knows beforehand the font size that
* the highlighter will use. With this there isn't discrepancy about the
* document size. */
font = [HKSyntaxHighlighter defaultFont];
if (font != nil)
{
[textView setFont: font];
}
//Set the syntax highlighter again
[textView createSyntaxHighlighterForFileType: [self fileType]];
NSMutableParagraphStyle *paragraphStyle = [[textView defaultParagraphStyle] mutableCopy];
if (paragraphStyle == nil)
{
paragraphStyle = [[NSMutableParagraphStyle alloc] init];
}
AUTORELEASE(paragraphStyle);
int nspaces = [Preferences tabWidthSpaces];
float charWidth = [[[textView font]
screenFontWithRenderingMode:NSFontDefaultRenderingMode]
advancementForGlyph:(NSGlyph) ' '].width;
[paragraphStyle setDefaultTabInterval: nspaces * charWidth];
// Workaround for versions of gnustep-gui without default tab fix
NSMutableArray *tabstops = [NSMutableArray array];
NSTextTab *tab;
for (int i = 0; i < 10; i++)
{
tab = [[NSTextTab alloc] initWithTextAlignment: NSTextAlignmentLeft
location: i * charWidth * nspaces options: nil];
AUTORELEASE(tab);
[tabstops addObject: tab];
}
[paragraphStyle setTabStops: tabstops];
[textView setDefaultParagraphStyle: paragraphStyle];
NSMutableDictionary* typingAttributes = [[textView typingAttributes] mutableCopy];
[typingAttributes setObject:paragraphStyle forKey:NSParagraphStyleAttributeName];
[typingAttributes setObject:[textView font] forKey:NSFontAttributeName];
[textView setTypingAttributes:typingAttributes];
[[textView textStorage] addAttributes: typingAttributes
range: NSMakeRange(0, [[textView string] length])];
[textView setNeedsDisplay: YES];
// Update the files autoindenter
if ([Preferences autoIndentEnabled])
{
[textView setAutoIndenter: AUTORELEASE([[ObjcAutoIndenter alloc]
initWithFiletype: [self fileType]])];
}
else
{
[textView setAutoIndenter: nil];
}
[textView highlightRange: NSMakeRange(0, [[textView string] length])];
}
@end
@implementation GemasDocument
- (void) dealloc
{
TEST_RELEASE (string);
TEST_RELEASE (textColor);
[[NSNotificationCenter defaultCenter] removeObserver: self];
[super dealloc];
}
- (id)init
{
if ((self = [super init]) != nil)
{
[[NSNotificationCenter defaultCenter]
addObserver: self
selector: @selector (defaultsChanged:)
name: CodeEditorDefaultsDidChangeNotification
object: nil];
ASSIGN (string,@"");
return self;
}
else
{
return nil;
}
}
- (NSRect) getFrame
{
NSArray *windowController = [self windowControllers];
NSWindowController *controller = [windowController objectAtIndex: 0];
NSWindow *window = [controller window];
return [window frame];
}
- (void) setWindowFrame: (NSRect) frame
{
NSArray *windowController = [self windowControllers];
NSWindowController *controller = [windowController objectAtIndex: 0];
NSWindow *window = [controller window];
[window setFrame: frame display: YES];
}
- (BOOL) readFromFile: (NSString *) fileName ofType: (NSString *) fileType
{
NSLog(@"read from file..");
NSString *aString = [NSString stringWithContentsOfFile: fileName];
if (aString != nil)
{
ASSIGN (string, aString);
return YES;
}
else
{
NSRunAlertPanel(_(@"Error"), _(@"Can't load the file."), _(@"OK"), nil, nil);
return NO;
}
}
- (BOOL) writeToFile: (NSString *) fileName ofType: (NSString *) fileType
{
BOOL result;
NSString *aString;
[textView breakUndoCoalescing];
aString = [textView string];
result = [aString writeToFile: fileName atomically: NO];
return result;
}
- (void) awakeFromNib
{
NSMutableDictionary *typingAttrs;
/* turn off ligatures */
typingAttrs = [[[textView typingAttributes] mutableCopy] autorelease];
[typingAttrs setObject: [NSNumber numberWithInt: 0]
forKey: NSLigatureAttributeName];
[textView setTypingAttributes: typingAttrs];
[textView setAllowsUndo: YES];
[textView setUsesFindPanel: YES];
[textView setDrawsBackground: YES];
[textView replaceCharactersInRange: NSMakeRange(0, 0) withString: string];
[textView setSelectedRange: NSMakeRange(0, 0)];
DESTROY(string);
//Setup the user preferences
[self setupNewDefaults];
// Autocomplete
length = 0;
}
- (NSString *) windowNibName
{
return @"Editor";
}
- (void) goToLineNumber: (int)number
{
NSUInteger offset = 0;
NSUInteger i;
NSUInteger lineNumber;
NSRange rLine;
NSString *line;
NSArray *lines = [[textView string] componentsSeparatedByCharactersInSet:
[NSCharacterSet newlineCharacterSet]];
NSEnumerator *search = [lines objectEnumerator];
if (number < 0)
{
lineNumber = -1*number;
}
else
{
lineNumber = number;
}
for (i=1; (line = [search nextObject]) != nil && i < lineNumber; i++)
{
offset += [line length] + 1;
}
if (line != nil)
{
rLine = NSMakeRange(offset, [line length]);
}
else
{
rLine = NSMakeRange([[textView string] length], 0);
}
[textView setSelectedRange: rLine];
[textView scrollRangeToVisible: rLine];
}
- (void) textViewDidChangeSelection: (NSNotification *) notification
{
//Number of line and column
NSRange tex = [textView selectedRange];
NSArray *selectedLines = [[[textView string] substringWithRange: NSMakeRange(0, tex.location)] componentsSeparatedByString: @"\n"];
[numberLine setIntValue: [selectedLines count]];
[numberColumn setIntValue: [[selectedLines lastObject] length] + 1];
}
- (BOOL) revertToContentsOfURL: (NSURL*)url ofType: (NSString*)type error: (NSError**)error
{
NSString *aString = [NSString stringWithContentsOfURL: url];
NSMutableDictionary *typingAttrs;
if (aString == nil)
{
return NO;
}
/* turn off ligatures */
typingAttrs = [[[textView typingAttributes] mutableCopy] autorelease];
[typingAttrs setObject: [NSNumber numberWithInt: 0]
forKey: NSLigatureAttributeName];
[textView setTypingAttributes: typingAttrs];
[textView setAllowsUndo: YES];
[textView setUsesFindPanel: YES];
[textView replaceCharactersInRange: NSMakeRange(0, [[textView string] length])
withString: aString];
[textView setSelectedRange: NSMakeRange(0, 0)];
//Setup the user preferences
[self setupNewDefaults];
//Set the syntax highlighter
[textView createSyntaxHighlighterForFileType: [self fileType]];
NSLog(@"Strlen: %lu", [string length]);
[textView highlightRange: NSMakeRange(0, [string length])];
return YES;
}
- (NSColor *) textColor
{
return textColor;
}
- (void) defaultsChanged: (NSNotification *) notif
{
[self setupNewDefaults];
}
- (void) windowDidBecomeMain: (NSNotification*)aNotification
{
}
- (void) windowWillClose: (NSNotification*)aNotification
{
}
- (NSArray *) textView: (NSTextView *)aTextView completions: (NSArray *)words
forPartialWordRange: (NSRange)range indexOfSelectedItem: (NSInteger *)index
{
NSString *word = [[aTextView string] substringWithRange: range];
NSString *item;
NSEnumerator *enumerator;
NSMutableArray *array;
if ([word length] < 3)
{
return nil;
}
if ( (words != nil) && (range.length > length) )
{
length = range.length;
enumerator = [words objectEnumerator];
array = [NSMutableArray array];
while ((item = [enumerator nextObject]))
{
if ([item hasPrefix: word])
{
[array addObject: item];
}
}
}
else
{
length = range.length;
enumerator = [[(GemasController *)[NSApp delegate] list] objectEnumerator];
array = [NSMutableArray array];
while ((item = [enumerator nextObject]))
{
if ([item hasPrefix: word])
{
[array addObject: item];
}
}
}
if ([array count] > 0)
{
return [NSArray arrayWithArray: array];
}
else
{
return nil;
}
}
@end