Mac tweak panel for graph, default node and default edge attributes; objects are...

diff --git a/macosx/GVAttributeSchema.h b/macosx/GVAttributeSchema.h
new file mode 100644 (file)
index 0000000..7251fe4
--- /dev/null
+++ b/macosx/GVAttributeSchema.h
@@ -0,0 +1,32 @@
+/* $Id$ $Revision$ */
+/* vim:set shiftwidth=4 ts=8: */
+
+/**********************************************************
+*      This software is part of the graphviz package      *
+*                http://www.graphviz.org/                 *
+*                                                         *
+*            Copyright (c) 1994-2008 AT&T Corp.           *
+*                and is licensed under the                *
+*            Common Public License, Version 1.0           *
+*                      by AT&T Corp.                      *
+*                                                         *
+*        Information and Software Systems Research        *
+*              AT&T Research, Florham Park NJ             *
+**********************************************************/
+
+#import <Foundation/Foundation.h>
+
+
+@interface GVAttributeSchema : NSObject {
+       NSXMLElement *_element;
+}
+
+@property(readonly) NSString *name;
+@property(readonly) NSCell *cell;
+@property(readonly) NSString *documentation;
+
++ (NSArray*)attributeSchemasWithComponent:(NSString *)component;
+- (id)initWithXMLElement:(NSXMLElement *)element;
+
+- (void)dealloc;
+@end

diff --git a/macosx/GVAttributeSchema.m b/macosx/GVAttributeSchema.m
new file mode 100644 (file)
index 0000000..c4538af
--- /dev/null
+++ b/macosx/GVAttributeSchema.m
@@ -0,0 +1,108 @@
+/* $Id$ $Revision$ */
+/* vim:set shiftwidth=4 ts=8: */
+
+/**********************************************************
+*      This software is part of the graphviz package      *
+*                http://www.graphviz.org/                 *
+*                                                         *
+*            Copyright (c) 1994-2008 AT&T Corp.           *
+*                and is licensed under the                *
+*            Common Public License, Version 1.0           *
+*                      by AT&T Corp.                      *
+*                                                         *
+*        Information and Software Systems Research        *
+*              AT&T Research, Florham Park NJ             *
+**********************************************************/
+
+#import "GVAttributeSchema.h"
+
+static NSXMLDocument *_attributes = nil;
+static NSTextFieldCell *_stringCell = nil;
+static NSComboBoxCell *_enumCell = nil;
+
+@implementation GVAttributeSchema
+
++ (void)initialize
+{
+       _attributes = [[NSXMLDocument alloc] initWithContentsOfURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"attributes" ofType:@"xml"]] options:0 error:nil];
+       
+       NSFont* smallFont = [NSFont labelFontOfSize:[NSFont systemFontSizeForControlSize:NSSmallControlSize]];
+       
+       _stringCell = [[NSTextFieldCell alloc] init];
+       [_stringCell setControlSize:NSSmallControlSize];
+       [_stringCell setDrawsBackground:NO];
+       [_stringCell setEditable:YES];
+       [_stringCell setEnabled:YES];
+       [_stringCell setFont:smallFont];
+
+       _enumCell = [[NSComboBoxCell alloc] init];
+       [_enumCell setBezeled:NO];
+       [_enumCell setButtonBordered:NO];
+       [_enumCell setCompletes:YES];
+       [_enumCell setControlSize:NSSmallControlSize];
+       [_enumCell setDrawsBackground:NO];
+       [_enumCell setEditable:YES];
+       [_enumCell setEnabled:YES];
+       [_enumCell setFont:smallFont];
+       [_enumCell setHasVerticalScroller:NO];
+}
+
++ (NSArray*)attributeSchemasWithComponent:(NSString *)component
+{
+       NSMutableArray* attributeSchemas = [NSMutableArray array];
+       for (NSXMLElement* element in [_attributes nodesForXPath:[NSString stringWithFormat:@"/xsd:schema/xsd:complexType[@name='%@']/xsd:attribute", component] error:nil])
+               [attributeSchemas addObject:[[[GVAttributeSchema alloc] initWithXMLElement:element] autorelease]];
+       return attributeSchemas;
+}
+
+- (id)initWithXMLElement:(NSXMLElement *)element
+{
+       if (self = [super init])
+               _element = [element retain];
+       return self;
+}
+
+- (NSString*)name
+{
+       return [[_element attributeForName:@"ref"] stringValue];
+}
+
+- (NSCell*)cell
+{
+       NSCell *typeCell = _stringCell;
+
+       /* determine which cell to return */
+       NSString *type = [[[_attributes nodesForXPath:[NSString stringWithFormat:@"/xsd:schema/xsd:attribute[@name='%@']/@type[1]", [self name]] error:nil] lastObject] stringValue];
+       if (type) {
+               if (![type hasPrefix:@"xsd:"]) {
+                               NSXMLElement *simpleType = [[_attributes nodesForXPath:[NSString stringWithFormat:@"/xsd:schema/xsd:simpleType[@name='%@'][1]", type] error:nil] lastObject];
+                               NSArray *enumerations = [simpleType nodesForXPath:@"xsd:restriction/xsd:enumeration" error:nil];
+                               if ([enumerations count]) {
+                                       [_enumCell removeAllItems];
+                                       for (NSXMLElement *enumeration in enumerations)
+                                               [_enumCell addItemWithObjectValue: [[enumeration attributeForName: @"value"] stringValue]];
+                                       typeCell = _enumCell;
+                               }
+                       }
+       }
+       
+       /* determine the default value */
+       NSString* defaultValue = [[_element attributeForName:@"default"] stringValue];
+       if ([typeCell respondsToSelector:@selector(setPlaceholderString:)])
+               [typeCell performSelector:@selector(setPlaceholderString:) withObject:defaultValue];
+       return typeCell;
+}
+
+- (NSString*)documentation
+{
+       return [[[_attributes nodesForXPath:[NSString stringWithFormat:@"/xsd:schema/xsd:attribute[@name='%@']/xsd:annotation/xsd:documentation[1]", [self name]] error:nil] lastObject] XMLString];
+}
+       
+- (void)dealloc
+{
+       [_element release];
+       [super dealloc];
+}
+
+
+@end