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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
<!-- BEGIN META TAG INFO -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
<link rel="find" href="http://developer.apple.com/search/">
<link rel="stylesheet" type="text/css" href="../../documentation/css/adcstyle.css" title="fonts">
<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
<!-- END META TAG INFO -->
<!-- BEGIN TITLE -->
<title>ColorSyncDevices-Cocoa - /MyDataSource.m</title>
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<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
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<body>
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<center>
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<!-- BEGIN LOGO AND SEARCH -->
<!--#include virtual="/includes/adcnavbar"-->
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<!-- START BREADCRUMB -->
<div id="breadcrumb">
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr>
<td scope="row"><img width="340" height="10" src="images/1dot.gif" alt=""></td>
<td><img width="340" height="10" src="images/1dot.gif" alt=""></td>
</tr>
<tr valign="middle">
<td align="left" colspan="2">
<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/Cocoa/index.html">Cocoa</a> > <a href="../../samplecode/Cocoa/idxGraphicsImaging-date.html">Graphics & Imaging</a> > <A HREF="javascript:location.replace('index.html');">ColorSyncDevices-Cocoa</A> >
</td>
</tr>
<tr>
<td colspan="2" scope="row"><img width="680" height="35" src="images/1dot.gif" alt=""></td>
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</table>
</div>
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<!-- START MAIN CONTENT -->
<!-- START TITLE GRAPHIC AND INTRO-->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td><h1><div id="pagehead">ColorSyncDevices-Cocoa</div></h1></td>
</tr>
</table>
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<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td id="scdetails">
<h2>/MyDataSource.m</h2>
<form name="scpopupmenu" onSubmit="return false;" method=post>
<p><strong>View Source Code:</strong>
<select name="gotop" onChange="JumpToNewPage();" style="width:340px"><option selected value="ingnore">Select File</option>
<option value="listing1.html">/ColorDevice.h</option>
<option value="listing2.html">/ColorDevice.m</option>
<option value="listing3.html">/ColorSyncDevice.h</option>
<option value="listing4.html">/ColorSyncDevice.m</option>
<option value="listing5.html">/main.m</option>
<option value="listing6.html">/MyDataSource.h</option>
<option value="listing7.html">/MyDataSource.m</option>
<option value="listing8.html">/Node.h</option>
<option value="listing9.html">/Node.m</option>
<option value="listing10.html">/ProfileCategories.h</option>
<option value="listing11.html">/ProfileCategories.m</option>
<option value="listing12.html">/Profiles.h</option>
<option value="listing13.html">/Profiles.m</option>
<option value="listing14.html">/Root.h</option>
<option value="listing15.html">/Root.m</option>
<option value="listing16.html">/Utils.h</option>
<option value="listing17.html">/Utils.m</option></select>
</p>
</form>
<p><strong><a href="ColorSyncDevices-Cocoa.zip">Download Sample</a></strong> (“ColorSyncDevices-Cocoa.zip”, 72.0K)<BR>
<strong><a href="ColorSyncDevices-Cocoa.dmg">Download Sample</a></strong> (“ColorSyncDevices-Cocoa.dmg”, 113.0K)</p>
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<p><strong><a href="#">Download Sample</a></strong> (“filename.sit”, 500K)</p>
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<!--googleon: index -->
<pre class="sourcecodebox">//////////
//
// File: MyDataSource.m
//
// Contains: Implementation file for the MyDataSource class.
//
// Written by: Apple Developer Technical Support
//
// Copyright: © 2002 by Apple Computer, Inc., all rights reserved.
//
// Change History (most recent first):
//
// <1> 10/7/02 srk first file
// <2> 12/11/02 srk improved NSOutlineView interaction
//
//////////
/*
IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in
consideration of your agreement to the following terms, and your use, installation,
modification or redistribution of this Apple software constitutes acceptance of these
terms. If you do not agree with these terms, please do not use, install, modify or
redistribute this Apple software.
In consideration of your agreement to abide by the following terms, and subject to these
terms, Apple grants you a personal, non-exclusive license, under Apple's copyrights in
this original Apple software (the "Apple Software"), to use, reproduce, modify and
redistribute the Apple Software, with or without modifications, in source and/or binary
forms; provided that if you redistribute the Apple Software in its entirety and without
modifications, you must retain this notice and the following text and disclaimers in all
such redistributions of the Apple Software. Neither the name, trademarks, service marks
or logos of Apple Computer, Inc. may be used to endorse or promote products derived from
the Apple Software without specific prior written permission from Apple. Except as expressly
stated in this notice, no other rights or licenses, express or implied, are granted by Apple
herein, including but not limited to any patent rights that may be infringed by your
derivative works or by other works in which the Apple Software may be incorporated.
The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES,
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT,
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS
USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE,
REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND
WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR
OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "MyDataSource.h"
@implementation MyDataSource
// NSOutlineView Data Source methods
//
// This class implements all the required NSOutlineView data source functions
// Refer to the NSOutlineView documentation for additional information.
//
//////////
//
// numberOfChildrenOfItem
//
// Returns the number of child items encompassed by item
//
//////////
- (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
return (item == nil) ? 1 : [item numberOfChildren:outlineView];
}
//////////
//
// numberOfChildrenOfItem
//
// This method should return YES if item can be expanded to display its children
//
//////////
- (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
return (item == nil) ? YES : ([item numberOfChildren:outlineView] != 0);
}
//////////
//
// child ofItem
//
// Returns the child item at the specified index.
//
//////////
- (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item {
return (item == nil) ? [Root rootItem] : [item childAtIndex:index];
}
//////////
//
// objectValueForTableColumn
//
// Returns the data object associated with the specified item. The item is located
// in the specified tableColumn of the view.
//
//////////
- (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item {
return (item == nil) ? @"ColorSync Devices" : [item returnObjValue:self];
}
//////////
//
// shouldEditTableColumn
//
// Returns YES to permit aTableView to edit the cell at rowIndex in aTableColumn,
// NO to deny permission.
//
//////////
- (BOOL)outlineView:(NSOutlineView *)outlineView shouldEditTableColumn:(NSTableColumn *)tableColumn item:(id)item {
return NO;
}
//////////
//
// shouldSelectItem
//
// Returns YES to permit outlineView to select item, NO to deny permission
//
//////////
- (BOOL)outlineView:(NSOutlineView *)outlineView shouldSelectItem:(id)item
{
/* show device/profile info. if the object supports it */
if ([item canSelectAndDisplayInfo])
{
/* show device info */
[dInfoNames setStringValue:[item deviceNamesString]];
[dInfoClass setStringValue:[item deviceClassString]];
[dInfoScope setStringValue:[item deviceScopeString]];
/* show profile info */
[pInfoLocation setStringValue:[item profileLocString]];
[pInfoNames setStringValue:[item profileNamesString]];
[pInfoScope setStringValue:[item profileScopeString]];
return YES;
}
else
{
/* object does not support showing device/profile info. */
return NO;
}
}
@end
</pre>
<!--googleoff: index -->
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<td><div style="width: 100%; height: 1px; background-color: #919699; margin-top: 5px; margin-bottom: 15px"></div></td>
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<td align="center"><br/>
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<th>Did this document help you?</th>
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<td>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/ColorSyncDevices-Cocoa/listing7.html%3Fid%3DDTS10000387-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=2&url=/samplecode/ColorSyncDevices-Cocoa/listing7.html%3Fid%3DDTS10000387-1.0&media=dvd" target=_new>It’s good, but:</a> Report typos, inaccuracies, and so forth.</div>
<div><a href="http://developer.apple.com/feedback/?v=3&url=/samplecode/ColorSyncDevices-Cocoa/listing7.html%3Fid%3DDTS10000387-1.0&media=dvd" target=_new>It wasn’t helpful</a>: Tell us what would have helped.</div>
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