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

diff --git a/macosx/GVAttributeInspectorController.h b/macosx/GVAttributeInspectorController.h
new file mode 100644 (file)
index 0000000..a5b6c49
--- /dev/null
+++ b/macosx/GVAttributeInspectorController.h
@@ -0,0 +1,62 @@
+/* $Id$ $Revision$ */
+/* 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>
+#import <AppKit/AppKit.h>
+#import <WebKit/WebKit.h>
+
+@class GVGraph;
+
+@interface GVAttributeInspectorController : NSWindowController {
+       IBOutlet NSToolbar *componentToolbar;
+       IBOutlet NSToolbarItem *graphToolbarItem;
+       IBOutlet NSToolbarItem *nodeDefaultToolbarItem;
+       IBOutlet NSToolbarItem *edgeDefaultToolbarItem;
+       
+       IBOutlet NSTableView *attributeTable;
+       IBOutlet WebView *documentationWeb;
+       
+       NSDictionary *_allSchemas;
+       NSMutableDictionary *_allAttributes;
+       
+       GVGraph *_inspectedGraph;
+       BOOL _otherChangedGraph;
+}
+
+- (id)init;
+
+- (void)awakeFromNib;
+
+/* notifications */
+- (IBAction)toolbarItemDidSelect:(id)sender;
+- (void)graphWindowDidBecomeMain:(NSNotification *)notification;
+- (void)graphDidChange:(NSNotification *)notification;
+
+/* toolbar delegate methods */
+- (NSArray *)toolbarSelectableItemIdentifiers:(NSToolbar *)toolbar;
+ 
+/* table delegate methods */
+- (NSCell *)tableView:(NSTableView *)tableView dataCellForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row;
+- (void)tableViewSelectionDidChange:(NSNotification *)aNotification;
+
+/* table data source methods */
+- (NSInteger)numberOfRowsInTableView:(NSTableView *)aTableView;
+- (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)rowIndex;
+- (void)tableView:(NSTableView *)aTableView setObjectValue:(id)anObject forTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)rowIndex;
+
+- (void)dealloc;
+
+@end

diff --git a/macosx/GVAttributeInspectorController.m b/macosx/GVAttributeInspectorController.m
new file mode 100644 (file)
index 0000000..45fe94f
--- /dev/null
+++ b/macosx/GVAttributeInspectorController.m
@@ -0,0 +1,175 @@
+/* $Id$ $Revision$ */
+/* 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 "GVAttributeInspectorController.h"
+#import "GVAttributeSchema.h"
+#import "GVGraph.h"
+#import "GVWindowController.h"
+
+@implementation GVAttributeInspectorController
+
+- (id)init
+{
+       if (self = [super initWithWindowNibName: @"Attributes"]) {
+               _allSchemas = nil;
+               _allAttributes = [[NSMutableDictionary alloc] init];
+               _inspectedGraph = nil;
+               _otherChangedGraph = YES;
+       }
+       return self;
+}
+
+- (void)awakeFromNib
+{
+       /* set component toolbar */
+       [_allSchemas release];
+       _allSchemas = [[NSDictionary alloc] initWithObjectsAndKeys:
+               [GVAttributeSchema attributeSchemasWithComponent:@"graph"], [graphToolbarItem itemIdentifier],
+               [GVAttributeSchema attributeSchemasWithComponent:@"node"], [nodeDefaultToolbarItem itemIdentifier],
+               [GVAttributeSchema attributeSchemasWithComponent:@"edge"], [edgeDefaultToolbarItem itemIdentifier],
+               nil];
+       [componentToolbar setSelectedItemIdentifier:[graphToolbarItem itemIdentifier]];
+       [self toolbarItemDidSelect:nil];
+               
+       /* start observing whenever a window becomes main */
+       [self graphWindowDidBecomeMain:nil];
+       [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(graphWindowDidBecomeMain:) name:NSWindowDidBecomeMainNotification object:nil];
+}
+
+- (IBAction)toolbarItemDidSelect:(id)sender
+{
+       /* reload the table */
+       [attributeTable reloadData];
+}
+
+- (void)graphWindowDidBecomeMain:(NSNotification *)notification
+{
+       NSWindow* mainWindow = notification ? [notification object] : [NSApp mainWindow];
+       NSWindowController* mainWindowController = [mainWindow windowController];
+       if ([mainWindowController respondsToSelector:@selector(graph)]) {
+               GVGraph *newGraph = [(GVWindowController *)mainWindowController graph];
+               
+               if (_inspectedGraph != newGraph) {
+                       /* retain the inspected graph and start observing any changes from it */
+                       NSNotificationCenter *defaultCenter = [NSNotificationCenter defaultCenter];
+                       if (_inspectedGraph) {
+                               [defaultCenter removeObserver:self name:@"GVGraphDidChange" object:_inspectedGraph];
+                               [_inspectedGraph release];
+                       }
+                       if (_inspectedGraph = [newGraph retain]) {
+                               [_allAttributes setObject:newGraph.graphAttributes forKey:[graphToolbarItem itemIdentifier]];
+                               [_allAttributes setObject:newGraph.defaultNodeAttributes forKey:[nodeDefaultToolbarItem itemIdentifier]];
+                               [_allAttributes setObject:newGraph.defaultEdgeAttributes forKey:[edgeDefaultToolbarItem itemIdentifier]];
+                               [defaultCenter addObserver:self selector:@selector(graphDidChange:) name:@"GVGraphDidChange" object:newGraph];
+                       }
+                       else
+                               [_allAttributes removeAllObjects];
+                               
+               
+                       /* update the UI */
+                       [[self window] setTitle:[NSString stringWithFormat:@"%@ Attributes", [mainWindow title]]];
+                       [attributeTable reloadData];
+               }
+       }
+}
+
+- (void)graphDidChange:(NSNotification *)notification
+{
+       /* if we didn't instigate the change, update the UI */
+       if (_otherChangedGraph)
+               [attributeTable reloadData];
+}
+
+- (NSArray *)toolbarSelectableItemIdentifiers:(NSToolbar *)toolbar
+{
+       /* which toolbar items are selectable */
+       return [NSArray arrayWithObjects:
+               [graphToolbarItem itemIdentifier],
+               [nodeDefaultToolbarItem itemIdentifier],
+               [edgeDefaultToolbarItem itemIdentifier],
+               nil];
+}
+
+- (NSCell *)tableView:(NSTableView *)tableView dataCellForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
+{
+       if ([[tableColumn identifier] isEqualToString:@"value"]) {
+               /* use the row's schema's cell */
+               NSCell *cell = [[[_allSchemas objectForKey:[componentToolbar selectedItemIdentifier]] objectAtIndex:row] cell];
+               [cell setEnabled:[_allAttributes count] > 0];
+               return cell;
+       }
+       else
+               /* use the default cell (usually a text field) for other columns */
+               return nil;
+}
+
+- (void)tableViewSelectionDidChange:(NSNotification *)aNotification
+{
+       int selectedRow = [[aNotification object] selectedRow];
+       NSString* documentation = selectedRow == -1 ? nil : [[[_allSchemas objectForKey:[componentToolbar selectedItemIdentifier]] objectAtIndex: selectedRow] documentation];
+       [[documentationWeb mainFrame] loadHTMLString:documentation baseURL:[NSURL URLWithString:@"http://www.graphviz.org/"]];
+}
+
+- (NSInteger)numberOfRowsInTableView:(NSTableView *)aTableView
+{
+       return [[_allSchemas objectForKey:[componentToolbar selectedItemIdentifier]] count];
+}
+
+- (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)rowIndex
+{
+       NSString *selectedComponentIdentifier = [componentToolbar selectedItemIdentifier];
+       NSString *attributeName = [[[_allSchemas objectForKey:selectedComponentIdentifier] objectAtIndex:rowIndex] name];
+       if ([[tableColumn identifier] isEqualToString:@"key"])
+               return attributeName;
+       else if ([[tableColumn identifier] isEqualToString:@"value"])
+               /* return the inspected graph's attribute value, if any */
+               return [[_allAttributes objectForKey:selectedComponentIdentifier] valueForKey:attributeName];
+       else
+               return nil;
+}
+
+- (void)tableView:(NSTableView *)aTableView setObjectValue:(id)anObject forTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)rowIndex
+{
+       if ([[tableColumn identifier] isEqualToString:@"value"])
+               {
+                       NSString *selectedComponentIdentifier = [componentToolbar selectedItemIdentifier];
+                       NSString *attributeName = [[[_allSchemas objectForKey:selectedComponentIdentifier] objectAtIndex:rowIndex] name];
+                       
+                       /* set or remove the key-value on the selected attributes */
+                       /* NOTE: to avoid needlessly reloading the table in graphDidChange:, we fence this change with _otherChangedGraph = NO */
+                       _otherChangedGraph = NO;
+                       @try {
+                               [[_allAttributes objectForKey:selectedComponentIdentifier] setValue:anObject forKey:attributeName];
+                       }
+                       @finally {
+                               _otherChangedGraph = YES;
+                       }
+               }
+
+}
+
+
+- (void)dealloc
+{
+       [_allSchemas release];
+       [_allAttributes release];
+       
+       [_inspectedGraph release];
+       
+       [super dealloc];
+}
+
+@end