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/*
* PGGraphvizWindowController.m
* graphviz
*
* Created by Glen Low on Tue Jun 22 2004.
* Copyright (c) 2004, Pixelglow Software. All rights reserved.
* http://www.pixelglow.com/graphviz/
* graphviz@pixelglow.com
*
* Redistribution and use in source and binary forms, with or without modification, are permitted
* provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this list of conditions
* and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
* and the following disclaimer in the documentation and/or other materials provided with the distribution.
* * Neither the name of Pixelglow Software nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "PGGraphvizWindowController.h"
#import "PGGraphvizDocument.h"
#import "PGOpenPanelApplicationFilter.h"
#import "PGZoomImageView.h"
static NSString* editTitle_ = nil;
static NSString* applicationDirectory_ = nil;
@implementation PGGraphvizWindowController
+ (void) initialize
{
// look for a suitable editor application...
NSArray* applicationDirectories = NSSearchPathForDirectoriesInDomains (
NSApplicationDirectory, NSSystemDomainMask, YES);
if ([applicationDirectories count] > 0)
applicationDirectory_ = [[applicationDirectories objectAtIndex: 0] retain];
}
- (IBAction) toggleSettings: (id) sender
{
[settings toggle: sender];
}
- (IBAction) actualSizeImage: (id) sender
{
[imager setZoom: 1.0];
}
- (IBAction) zoomInImage: (id) sender
{
[imager setZoom: [imager zoom] * 2.0];
}
- (IBAction) zoomOutImage: (id) sender
{
[imager setZoom: [imager zoom] * 0.5];
}
- (IBAction) zoomToFitImage: (id) sender
{
NSSize imageSize = [[imager image] size];
NSSize imagerSize = [[imager enclosingScrollView] documentVisibleRect].size;
double widthRatio = imagerSize.width / imageSize.width;
double heightRatio = imagerSize.height / imageSize.height;
[imager center];
[imager setZoom: (widthRatio < heightRatio ? widthRatio : heightRatio)];
}
- (NSRect) windowWillUseStandardFrame: (NSWindow*) sender defaultFrame: (NSRect) defaultFrame
{
NSRect windowFrame = [sender frame];
NSScrollView* scrollView = [imager enclosingScrollView];
NSSize imageSize = [[imager image] size];
double zoom = [imager zoom];
NSRect imagerFrame = [scrollView convertRect: [scrollView documentVisibleRect] toView: nil];
// window chrome == window frame - imager frame
// standard frame == window chrome + zoomed image size
float defaultFrameTop = NSMaxY (defaultFrame);
defaultFrame.size = NSMakeSize (
windowFrame.size.width - imagerFrame.size.width + imageSize.width * zoom,
windowFrame.size.height - imagerFrame.size.height + imageSize.height * zoom);
defaultFrame.origin.y = defaultFrameTop - defaultFrame.size.height;
[imager center];
return defaultFrame;
}
- (BOOL) validateToolbarItem: (NSToolbarItem*) item
{
if ([[item itemIdentifier] isEqualToString: @"DotEdit"])
{
if (editTitle_)
[item setToolTip: editTitle_];
return [document respondsToSelector: @selector (editWithApplication:)];
}
else
return YES;
}
- (IBAction) editDocument: (id) sender
{
NSUserDefaults* userDefaults = [NSUserDefaults standardUserDefaults];
NSString* editor = [userDefaults stringForKey: @"editor"];
BOOL editOK;
if (!editor || ([[NSApp currentEvent] modifierFlags] & NSAlternateKeyMask))
{
NSString* editorPath;
CFURLRef editorURL;
// if there's an editor in the defaults, the editor path is its full application path
// else if we can find a suitable program, the editor path is the path to that program
if (editor)
editorPath = [[NSWorkspace sharedWorkspace] fullPathForApplication: editor];
else if (LSCopyApplicationForMIMEType (CFSTR ("text/x-graphviz"), kLSRolesEditor, &editorURL) == noErr
|| LSGetApplicationForInfo ('****', kLSUnknownCreator, CFSTR ("*"), kLSRolesEditor, NULL, &editorURL) == noErr)
{
editorPath = [((NSString*) CFURLCopyPath (editorURL)) autorelease];
CFRelease (editorURL);
}
else
editorPath = nil;
// open panel with only applications selectable, and starting with the editor path
NSOpenPanel *openPanel = [NSOpenPanel openPanel];
PGOpenPanelApplicationFilter *filter = [[PGOpenPanelApplicationFilter alloc] initWithSource: [document fileName] roles: kLSRolesEditor];
[openPanel setDelegate: filter];
if ([openPanel
runModalForDirectory: (editorPath ? [editorPath stringByDeletingLastPathComponent] : applicationDirectory_)
file: [editorPath lastPathComponent]
types: nil] == NSOKButton)
{
// set the selected editor as default (don't bother with the directory, since we search for it everytime we want it)
editorPath = [openPanel filename];
editor = [editorPath lastPathComponent];
[userDefaults setObject: editor forKey: @"editor"];
// now that we've changed the editor, update the edit title for tooltips etc.
[editTitle_ release];
editTitle_ = [[NSString stringWithFormat:
[[[NSBundle mainBundle] localizedStringForKey: @"Edit.title" value: nil table: nil] retain],
[[NSFileManager defaultManager] displayNameAtPath: editorPath]] retain];
editOK = YES;
}
else
editOK = NO;
[openPanel setDelegate: nil];
[filter release];
}
else
editOK = YES;
if (editOK)
[document performSelector: @selector (editWithApplication:) withObject: editor];
}
@end
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