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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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<h2>/TextEdit_02/Document.h</h2>
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<!--googleon: index -->
<pre class="sourcecodebox">#import <Cocoa/Cocoa.h>
#import "EncodingManager.h"
@class ScalingScrollView;
/* These get added to the string encodings so we have a common language to refer to file types */
enum {
UnknownStringEncoding = NoStringEncoding,
RichTextStringEncoding = 0xFFFFFFFE,
RichTextWithGraphicsStringEncoding = 0xFFFFFFFD,
HTMLStringEncoding = 0xFFFFFFFC,
SimpleTextStringEncoding = 0xFFFFFFFB,
DocStringEncoding = 0xFFFFFFFA,
WordMLStringEncoding = 0xFFFFFFF9,
WebArchiveStringEncoding = 0xFFFFFFF8,
SmallestCustomStringEncoding = 0xFFFFFFF0
};
typedef enum {
SaveStatusOK = 1,
SaveStatusFileNotWritable, // File is not writable
SaveStatusEncodingNotApplicable, // File can't be converted to specified encoding
SaveStatusDestinationNotWritable, // Destination is not writable
SaveStatusFileEditedExternally, // File was edited externally (by another application)
SaveStatusNotOK = 1000 // Some other error
} SaveStatus;
typedef enum {
FileExtensionHidden = 1,
FileExtensionShown,
FileExtensionPreviousState
} FileExtensionStatus;
/* Returns the default padding on the left/right edges of text views */
float defaultTextPadding(void);
/* Return a non-blank display name. If the display name is blank, currently returns last path component; should probably do better. */
NSString *displayName(NSString *path);
/* Helper used in toggling menu items in validate methods, based on a condition (useFirst) */
void validateToggleItem(NSMenuItem *menuItem, BOOL useFirst, NSString *first, NSString *second);
/* Struct for carrying info for saving between the various routines...
*/
typedef struct _DocumentSaveInfo {
NSString *nameForSaving; // This is retained by this structure
NSString *fileToBeRemoved; // This is retained by this structure
unsigned encodingForSaving;
BOOL haveToChangeType;
BOOL showEncodingAccessory;
BOOL showRichTextDocumentFormatAccessory;
BOOL showRichTextWithGraphicsDocumentFormatAccessory;
BOOL rememberName;
BOOL shouldClose;
BOOL showSavePanel;
BOOL doingRTFDConversion;
SEL whenDoneCallback;
FileExtensionStatus hideExtension;
NSPopUpButton *encodingPopUp;
NSButton *appendPlainTextExtensionButton;
} DocumentSaveInfo;
@interface Document : NSObject {
NSTextStorage *textStorage;
NSString *documentName; /* If nil, never saved */
NSString *revertDocumentName; /* For reverting purposes, if the document is made untitled at some point */
ScalingScrollView *scrollView; /* ScrollView containing document */
NSPrintInfo *printInfo; /* PrintInfo, used when hasMultiplePages is true */
BOOL isDocumentEdited;
BOOL hasMultiplePages;
BOOL isRichText;
BOOL isReadOnly;
BOOL uniqueZone; /* YES if the zone was created specially for this document */
BOOL openedIgnoringRTF; /* Setting at the the time the doc was open (so revert does the same thing) */
BOOL openedIgnoringHTML; /* Setting at the the time the doc was open (so revert does the same thing) */
unsigned documentEncoding; /* NSStringEncoding or one of the above values */
unsigned untitledDocNumber; /* If not 0, the untitled sequence number this document has been assigned */
int changeCount;
BOOL convertedDocument; /* Converted (or filtered) from some other format (and hence not writable) */
BOOL lossyDocument; /* Loaded lossily, so might not be a good idea to overwrite */
BOOL rulerIsBeingDisplayed; /* Indicates that the ruler is being lazily displayed */
NSDate *fileModDate; /* File modification date from the last open or save */
IBOutlet NSView *richTextDocumentFormatAccessory; /* Set when the rich text popup is loaded */
IBOutlet NSPopUpButton *richTextDocumentFormatPopUp; /* Set when the rich text popup is loaded */
// The next six are document properties (applicable only to rich text documents)
NSString *author;
NSString *copyright;
NSString *company;
NSString *title;
NSString *subject;
NSString *comment;
NSString *keywords;
int lastDocumentPropertyChangeCheckpointCount;
NSString *lastChangedDocumentProperty;
}
/* Don't call -(id)init; call one of these methods... */
- (id)initWithPath:(NSString *)filename encoding:(unsigned)encoding uniqueZone:(BOOL)flag error:(NSError **)errorPtr;
- (id)initWithPath:(NSString *)filename encoding:(unsigned)encoding ignoreRTF:(BOOL)ignoreRTF ignoreHTML:(BOOL)ignoreHTML uniqueZone:(BOOL)flag error:(NSError **)errorPtr; /* Should be an absolute path here; nil for untitled. uniqueZone = YES indicates the zone should be recycled when the doc is dealloced. */
+ (id)openDocumentWithPath:(NSString *)filename encoding:(unsigned)encoding behind:(Document *)otherDoc error:(NSError **)errorPtr; /* Brings window front as key, or behind otherDoc if otherDoc is not nil. Checks to see if document already open. */
+ (id)openUntitled:(BOOL)isOpenedAutomatically; /* Brings window front */
/* Put up panels indicating failure to open one or more files. Pass someSucceeded == YES if not known.
*/
+ (void)displayOpenFailures:(NSArray *)errors someSucceeded:(BOOL)someFilesOpened;
/* These set/get the documentName instance var and also set the window title accordingly. "nil" is used if no title. */
- (void)setDocumentName:(NSString *)fileName;
- (NSString *)documentName;
/* These determine if document has been edited since last save */
- (void)setDocumentEdited:(BOOL)flag;
- (BOOL)isDocumentEdited;
/* Is the document rich? */
- (BOOL)isRichText;
- (void)setRichText:(BOOL)flag;
- (void)setRichText:(BOOL)flag dealWithAttachments:(BOOL)attachmentFlag showRuler:(BOOL)rulerFlag;
/* Is the document read-only? */
- (BOOL)isReadOnly;
- (void)setReadOnly:(BOOL)flag;
/* Document background color */
- (NSColor *)backgroundColor;
- (void)setBackgroundColor:(NSColor *)color;
/* Determining whether file has been edited externally */
- (void)setFileModDate:(NSDate *)date;
- (NSDate *)fileModDate;
- (BOOL)isEditedExternally:(NSDate *)newModDateIfKnown;
/* The encoding of the document... */
- (unsigned)encoding;
- (void)setEncoding:(unsigned)encoding;
/* Whether document was converted from some other format (filter services) */
- (BOOL)converted;
- (void)setConverted:(BOOL)flag;
/* Whether document was loaded lossily */
- (BOOL)lossy;
- (void)setLossy:(BOOL)flag;
/* Hyphenation factor (0.0-1.0, 0.0 == disabled) */
- (float)hyphenationFactor;
- (void)setHyphenationFactor:(float)factor;
/* View size (as it should be saved in a RTF file) */
- (NSSize)viewSize;
- (void)setViewSize:(NSSize)size;
/* Ruler management; first call puts up ruler; second call calls the first one in a delayed fashion */
- (void)showRuler:(id)obj;
- (void)showRulerDelayed:(BOOL)flag;
/* Attributes */
- (NSTextStorage *)textStorage;
- (NSTextView *)firstTextView;
- (NSWindow *)window;
- (NSUndoManager *)undoManager;
- (NSLayoutManager *)layoutManager;
/* Misc methods */
- (NSString *)untitledDocumentName:(unsigned)type;
+ (Document *)documentForWindow:(NSWindow *)window;
+ (Document *)documentForPath:(NSString *)filename;
+ (NSString *)cleanedUpPath:(NSString *)filename;
+ (unsigned)numberOfOpenDocuments;
- (void)doForegroundLayoutToCharacterIndex:(unsigned)loc;
- (void)showWindowBehindDocument:(Document *)otherDoc;
- (void)doRevert;
- (int)undoCheckpointCount;
/* Page-oriented methods */
- (void)addPage;
- (void)removePage;
- (unsigned)numberOfPages;
- (void)setHasMultiplePages:(BOOL)flag;
- (void)setHasMultiplePages:(BOOL)flag force:(BOOL)force;
- (BOOL)hasMultiplePages;
- (void)setPrintInfo:(NSPrintInfo *)anObject;
- (NSPrintInfo *)printInfo;
- (void)printInfoUpdated; // To let the document know that printInfo has been changed
- (void)setPaperSize:(NSSize)size;
- (NSSize)paperSize;
/* Printing a document; return value indicates cancel */
- (BOOL)printDocumentModally:(BOOL)modalFlag;
/* Saving helpers. */
- (void)saveDocument:(BOOL)showSavePanel rememberName:(BOOL)rememberNewNameAndSuch shouldClose:(BOOL)shouldClose; /* Entry point for saving w/UI; will show panels and such as necessary */
- (void)saveDocument:(BOOL)showSavePanel name:(NSString *)pathForSaving rememberName:(BOOL)rememberNewNameAndSuch shouldClose:(BOOL)shouldClose whenDone:(SEL)callback; /* Entry point for saving w/UI; will show panels and such as necessary */
- (void)getDocumentNameAndSave:(DocumentSaveInfo *)docInfo;
- (void)doSaveWithName:(DocumentSaveInfo *)docInfo overwriteOK:(BOOL)overwrite;
- (void)askToSave:(SEL)callback;
- (BOOL)canCloseDocument; /* Assures document is saved or user doesn't care about the changes; returns NO if user cancels */
+ (void)openWithEncodingAccessory:(BOOL)flag;
/* Enumerations for saving all edited documents. */
+ (void)saveAllEnumeration:(BOOL)cont;
+ (void)reviewChangesAndQuitEnumeration:(BOOL)cont;
/* Action methods */
+ (void)open:(id)sender;
- (void)saveAs:(id)sender;
- (void)saveTo:(id)sender;
- (void)save:(id)sender;
- (void)revert:(id)sender;
- (void)close:(id)sender;
- (void)doPageLayout:(id)sender;
- (void)toggleRich:(id)sender;
- (void)toggleReadOnly:(id)sender;
- (void)togglePageBreaks:(id)sender;
- (void)printDocument:(id)sender; /* action cover for [self printDocumentUsingPrintPanel:YES] */
- (void)richTextDocumentFormatChanged:(id)sender;
- (void)richTextWithGraphicsDocumentFormatChanged:(id)sender;
/* When the preference "OpenPanelFollowsMainWindow" is set to YES, this is used to get the directory of document in the main window. */
+ (NSString *)directoryOfMainWindow;
/* Delegation messages */
- (void)textView:(NSTextView *)view doubleClickedOnCell:(id <NSTextAttachmentCell>)cell inRect:(NSRect)rect;
- (NSArray *)textView:(NSTextView *)view writablePasteboardTypesForCell:(id <NSTextAttachmentCell>)cell atIndex:(unsigned)charIndex;
- (BOOL)textView:(NSTextView *)view writeCell:(id <NSTextAttachmentCell>)cell atIndex:(unsigned)charIndex toPasteboard:(NSPasteboard *)pboard type:(NSString *)type;
- (void)layoutManager:(NSLayoutManager *)layoutManager didCompleteLayoutForTextContainer:(NSTextContainer *)textContainer atEnd:(BOOL)layoutFinishedFlag;
- (BOOL)windowShouldClose:(id)sender;
- (void)windowWillClose:(NSNotification *)notification;
- (void)undoManagerChangeDone:(NSNotification *)notification;
- (void)undoManagerCheckpoint:(NSNotification *)notification;
- (void)undoManagerChangeUndone:(NSNotification *)notification;
/* Document properties */
- (NSDictionary *)documentPropertyToAttributeNameMappings;
- (NSArray *)knownDocumentProperties;
- (void)clearDocumentProperties;
- (void)setDocumentPropertiesToDefaults;
- (BOOL)hasDocumentProperties;
@end
@interface Document (ReadWrite)
/* File loading. Returns NO if not successful. Doesn't set documentName. */
- (BOOL)loadFromPath:(NSString *)fileName encoding:(unsigned)encoding ignoreRTF:(BOOL)ignoreRTF ignoreHTML:(BOOL)ignoreHTML error:(NSError **)errorPtr; /* If encoding is Unknown, tries to guess */
- (SaveStatus)saveToPath:(NSString *)fileName encoding:(unsigned)encoding updateFilenames:(BOOL)updateFileNamesFlag overwriteOK:(BOOL)overwrite hideExtension:(FileExtensionStatus)extensionStatus;
@end
</pre>
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