This is ListConnectionInspector.m in view mode; [Download] [Up]
//--------------------------------------------------------------------------
// Copyright 1996 Running Start, Inc. All Rights Reserved.
//
// Ralph Zazula (zazula@running-start.com) http://www.running-start.com
//
// You may freely copy, distribute and reuse the code in this example.
// Running Start, Inc. disclaims any warranty of any kind, expressed or
// implied, as to its fitness for any particular use.
//
// This notice may not be removed from this source code.
//
// This object is included in the MiscKit by permission from the author
// and its use is governed by the MiscKit license, found in the file
// "License.rtf" in the MiscKit distribution. Please refer to that file
// for a list of all applicable permissions and restrictions.
//--------------------------------------------------------------------------
#import "ListConnectionInspector.h"
@implementation ListConnectionInspector
- init
/*
* Load the NIB file for this inspector.
*/
{
char path[MAXPATHLEN+1];
id bundle;
bundle = [NXBundle bundleForClass:[self class]];
[bundle getPath:path forResource:"ListConnectionInspector" ofType:"nib"];
[NXApp loadNibFile:path owner:self withNames:NO fromZone:[self zone]];
return self;
}
- ok:sender
/*
* We make the OK button "Connect". Use this method to add the
* connect destination to the List object.
*/
{
if([NXApp isConnecting]) {
[object addObjectIfAbsent:[NXApp connectDestination]];
[self revert:nil];
}
return [super ok:sender];
}
- revert:sender
/*
* this method is called in two instances:
* sender == nil : used to tell us to update the display
* sender != nil : when the REVERT ("Disconnect") button is pressed
*
* use this to enable/disable the buttons and select entries in the
* list if the user draws out a connection that we have already stored.
*/
{
if(!sender) {
/* just updating the screen */
[okButton setTitle:"Connect"];
[okButton setEnabled:([NXApp isConnecting] &&
[object indexOf:[NXApp connectDestination]] == NX_NOT_IN_LIST)];
[revertButton setTitle:"Disconnect"];
[revertButton setEnabled:([NXApp isConnecting] &&
[object indexOf:[NXApp connectDestination]] != NX_NOT_IN_LIST)];
} else {
/* the "Disconnect" button was pressed */
[object removeObjectAt:[[browser matrixInColumn:0] selectedRow]];
[NXApp stopConnecting];
}
/* update the browser */
[browser loadColumnZero];
/*
* This next bit checks to see if the user has dragged out a connection
* that duplicates one we've already stored in the list. If so, reflect
* this by selecting the appropriate cell in the browser.
*/
if([NXApp isConnecting] &&
([object indexOf:[NXApp connectDestination]] != NX_NOT_IN_LIST)) {
[[browser matrixInColumn:0]
selectCellAt:[object indexOf:[NXApp connectDestination]]:0];
}
return [super revert:sender];
}
- (BOOL)wantsButtons
{
return YES;
}
- displayConnection:sender
/*
* The target of the NXBrowser. Displays the connection for the selected entry.
*/
{
[NXApp displayConnectionBetween:object
and:[object objectAt:[[sender matrixInColumn:0] selectedRow]]];
return self;
}
/*** as the NXBrowser's delegate ***/
- (int)browser:sender fillMatrix:matrix inColumn:(int)column
{
int i;
id cellList, theCell;
char buf[128];
id item;
/* Set the matrix to have the right number of cells. */
[matrix renewRows:[object count] cols:1];
/* Get list of cells from the matrix. */
cellList = [matrix cellList];
/*
* For each cell set its value, set whether it is a leaf
* or not and mark it loaded.
*/
for (i=0; i<[cellList count]; i++) {
item = [object objectAt:i];
theCell = [cellList objectAt:i];
if([item respondsTo:@selector(title)]) {
sprintf(buf, "%s (%s)", [[item class] name], [item title]);
} else {
sprintf(buf, "%s", [[item class] name]);
}
[theCell setStringValue:buf];
[theCell setLeaf:YES];
[theCell setLoaded:YES];
}
/* Return the number of rows. */
return [object count];
}
@end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.