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/*
* PGGraphvizActivityController.m
* graphviz
*
* Created by Glen Low on Sat Jan 10 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 "PGGraphvizActivityController.h"
#import "PGSectionedString.h"
#import "PGTasker.h"
NSDictionary* commandAttributes_;
NSDictionary* errorAttributes_;
@implementation PGGraphvizActivityController
+ (void) initialize
{
commandAttributes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
[NSFont fontWithName: @"Courier-Bold" size: 11.0], NSFontAttributeName,
[NSColor grayColor], NSForegroundColorAttributeName, nil];
errorAttributes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
[NSFont fontWithName: @"Courier" size: 11.0], NSFontAttributeName,
[NSColor grayColor], NSForegroundColorAttributeName, nil];
}
- (void) awakeFromNib
{
objectSections_ = [[NSMutableDictionary alloc] init];
[activity setAlphaValue: 0.9];
NSNotificationCenter* defaultCenter = [NSNotificationCenter defaultCenter];
[defaultCenter
addObserver: self
selector: @selector (taskerDidStart:)
name: TaskerDidStart
object: nil];
[defaultCenter
addObserver: self
selector: @selector (taskerDidError:)
name: TaskerDidError
object: nil];
}
- (IBAction) orderFrontActivityWindow: (id) sender
{
[activity orderFront: self];
}
- (void) taskerDidStart: (NSNotification*) notification
{
PGTasker* tasker = [notification object];
[self appendMessage: [tasker commandLine]
attributes: commandAttributes_
forObject: tasker];
}
- (void) taskerDidError: (NSNotification*) notification
{
PGTasker* tasker = [notification object];
NSData* errorData = [[notification userInfo] objectForKey: TaskerDataItem];
if ([errorData length])
{
NSString* message = [[NSString alloc] initWithData: errorData encoding: NSASCIIStringEncoding];
[self appendMessage: message attributes: errorAttributes_ forObject: tasker];
[message release];
}
else
{
// output a last line break
[self appendMessage: @"\n" attributes: errorAttributes_ forObject: tasker];
// remove gray color attribute from task output
[[objectSections_ objectForKey: tasker] removeAttribute: NSForegroundColorAttributeName];
[text setNeedsDisplay: YES];
// forget about the task
[objectSections_ removeObjectForKey: tasker];
}
}
- (void) appendMessage: (NSString*) message attributes: (NSDictionary*) attributes forObject: (NSObject*) object
{
PGSectionedString* string = [objectSections_ objectForKey: object];
if (!string)
{
string = [[PGSectionedString alloc] initWithMutableAttributedString: [text textStorage]];
[objectSections_ setObject: string forKey: object];
[string release];
}
NSAttributedString* attributedMessage = [[NSAttributedString alloc] initWithString: message attributes: attributes];
[string appendAttributedString: attributedMessage];
[attributedMessage release];
// make sure addition is visible in text view
NSRange stringRange = [string range];
unsigned int messageLength = [message length];
[text scrollRangeToVisible: NSMakeRange (stringRange.location + stringRange.length - messageLength, messageLength)];
}
- (void) dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver: self];
[objectSections_ release];
[super dealloc];
}
@end
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