(no subject)
Hi everyone: When I use QTMovie to play movies. I want to custom myself progress slider instead of the NSSlider. How to custom the progress slider? thks! Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How to display the information in the columns ...... is OK
>The crash you're seeing is almost certainly occuring because you >aren't retaining infoDictionary correctly. Haha. You are right. I added the "[infoDictionary retain];" at the end of the info code fragement. At the same time, I modified other code correspondingly. It is OK now. Thank you. Thank you for everyone's help Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re:Re: How to display the information in the columns of the table view?
>Try >[tableRecordsArray addObject:infoDictionary] >instead of >> [tableRecordsArray insertObject:infoDictionary atIndex:row+i]; > >Tell us what tableRecordsArray is and how you allocate it. I have tried the replacement, it does not work. The tableRecordsArray the NSArray object for conserve the dragged files to the table view. I allocate it in the controller class's -awakeFromNib method. The enclosure is the code of Contoller.m class . There is the what the tableRecordsArray? is in detail. Thanks a lot. myController.rtf Description: Binary data ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How to display the information in the columns of the table view?
Hi Graham and Others, I am sorry for my doing. I am a new learning for cocoa. And the time using the Cocoa-dev mailist for short time. So I am not familiar with the rules of the mailist very much. At the same time, English is not my mother language. So sometimes I do not know how to express myself and my questions. I Am Sorry. Next time, I will comply the regulation. Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re:How to display the file's basic information in the columns of the tableview
>Hi > In the "- (BOOL)tableView: acceptDrop: row: dropOperation:" method, I tried > to insert the information Dictionary into the Array use the code > "[tableRecordsArray insertObject:infoDictionary atIndex:row+i];". >But when I drop the file into the table view, the app exited immediately. Now, I find that the code "[tableRecordsArray insertObject:infoDictionary atIndex:row+i];" maybe is not correct. maybe I should not make the NSDictionary as an argument of the NSArray's method. Could anyone tell me how to display the objects of the NSDictionary class into the different columns of a table view? thank you! ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How to display the file's basic information in the columns of
>> But when I drop the file into the table view, the app exited immediately. > >Find the crash report and look at it; if you don't figure it out from that, >send another message here with the crash report. Hi Sorry, I can not figure out the crash report. Could you tell me how to find the crash report in detail? But, I debug the application and find out that the the problem is this code "[theRecordsArray?insertObject:infoDictionary? atIndex:row+i];". Maybe I should not make the NSDictionary as the augment of the NSArray's "insertObject:atIndex" method. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
How to display the file's basic information in the columns of the table view?
Hi all, In my application, I want to drag the file into the table view. At the same time, display the file's basic information in the columns of the table view. Now, I got the basic information of the file and saved it in a NSDictionary object.The code is :theInfoDictionary =[NSDictionarydictionaryWithObjectsAndKeys:[filePath lastPathComponent], @"name",[filePath pathExtension], @"extension", modDate, @"modifiedDate",nil]; In the "- (BOOL)tableView: acceptDrop: row: dropOperation:" method, I tried to insert the information Dictionary into the Array use the code "[tableRecordsArray insertObject:infoDictionary atIndex:row+i];". But when I drop the file into the table view, the app exited immediately. But I do not know how to realize it. Note: The enclosure is the code of this application. I wish someone can find out the bug and amend it for me. Thank you. Any help greatly appreciated. Audio Player.rtf Description: Binary data ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
How to make the Contextual Menu on the tableview's empty rows unable?
Hi everyone: In the "Controller" class, I used the code as follows to finished the contextual menu on the table view. And I succeeded. videoContextualMenu= [[[NSMenualloc] initWithTitle:@"Contextual Menu"] autorelease]; [videoContextualMenuinsertItemWithTitle:@"Delete"action:@selector(deleteVideoFile:) keyEquivalent:@"" atIndex:0]; [videoContextualMenuinsertItemWithTitle:@"Info"action:@selector(infoFile:) keyEquivalent:@"" atIndex:1]; [movieTablesetMenu:videoContextualMenu]; Now I hope the contextual menu disappears in the empty rows. And it is only valid in the rows which hold data. But I don't know how to implement the purpose... Any help greatly appreciated. Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
What is the difference between the -awakeFromNib and -init?
In applications, there are - (void)awakeFromNib and - (id)init method at the
same time.
- (void)awakeFromNib{
//add code
}
- (id)init{
self = [super init];
if (self) {
//add code
}
return self;
}
What's the difference between the two methods?
Thank you.
Bright
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The code limit to the media type to .mp3 and .aiff
Hi Every Friend,
In my app, my purpose is to limit the media type to the .mp3 and .aiff
only when I drag files into a table view. Other type is not allowed.
The code fragment is to limit the media type to mp3 and .aiff. When I
drag file into table view, MP3 file is OK. But the .aiff file can not be
drop into the table view.
I spent so much time but it is not useful. Could any body look over
the code for me and help me to solve it?
Thank you!! I will wait for your answer all the time.
Wish you good luck.
This is my code:
- (BOOL)isFileUTIMP3:(NSString *)filePath
{
BOOL isMP3File = NO,isAIFFFile=NO;
FSRef fileRef;
Boolean isDirectory;
if (FSPathMakeRef((constUInt8 *)[filePath fileSystemRepresentation],
&fileRef, &isDirectory) == noErr)
{
CFDictionaryRef values = NULL;
CFStringRef attrs[1] = { kLSItemContentType };
CFArrayRef attrNames = CFArrayCreate(NULL, (constvoid **)attrs, 1,
NULL);
if (LSCopyItemAttributes(&fileRef, kLSRolesViewer, attrNames, &values)
== noErr)
{
if (values != NULL)
{
CFTypeRef uti = CFDictionaryGetValue(values,
kLSItemContentType);
if (uti != NULL)
{
if (UTTypeConformsTo(uti, kUTTypeMP3))
{ isMP3File = YES; }
else
{ if(UTTypeConformsTo(uti, CFSTR("public.aiff-audio")))
isMP3File = YES;
}
CFRelease(values);
}
}
CFRelease(attrNames);
}
}
return isMP3File;
}
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Re: Display the elements of array in a tablview ?
Now , I see. Thank you for everyone's help. Binding is useful, but sometimes maybe it is not suited to your need. Bright >On Jul 7, 2009, at 4:48 PM, Jesse Armand wrote: > >> I'm not even familiar with Bindings, is it convenient to use ? >> > > Once you understand all of its prerequisites, it can be. The better >question to ask is "is it convenient to use in this particular >scenario". The answer may be yes or no (perhaps emphatically). > > >> I did an intensive development with Cocoa starting with Cocoa Touch, >> so I'm used to using the equivalent UITableViewDataSource to populate >> table views. > > My understanding is there are differences in how the two work (from >one platform to the other) but they are basically the same concept. I >suggested it because "Bright" specifically mentioned (s)he used >bindings but wants an approach "using code only". I assumed (s)he >meant "not bindings". The only other way is the table datasource >protocol. > >-- >I.S. > > >___ > >Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > >Please do not post admin requests or moderator comments to the list. >Contact the moderators at cocoa-dev-admins(at)lists.apple.com > >Help/Unsubscribe/Update your Subscription: >http://lists.apple.com/mailman/options/cocoa-dev/ldl0313036%40163.com > >This email sent to ldl0313...@163.com ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Display the elements of array in a tablview ?
Hi Everyone, There is an array with several elements in my application. And I have shown the elements in a tableview using binding. But now I need to display the elements using code only. Could anyone help me? Which method should I use? Thank you for help!! Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Is there any document to explain the process about the
><http://developer.apple.com/documentation/Cocoa/Conceptual/NSPersistentDocumentTutorial/00_Introduction/introduction.html > > > ><http://developer.apple.com/documentation/Cocoa/Conceptual/CoreDataUtilityTutorial/Articles/00_introduction.html > > > ><http://developer.apple.com/iphone/library/documentation/DataManagement/Conceptual/iPhoneCoreData01/Introduction/Introduction.html > >mmalc Thanks very much. Is there any document to show/explain the process to implement the CoreRecipe? sample concretely? Thx. Bright > >___ > >Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > >Please do not post admin requests or moderator comments to the list. >Contact the moderators at cocoa-dev-admins(at)lists.apple.com > >Help/Unsubscribe/Update your Subscription: >http://lists.apple.com/mailman/options/cocoa-dev/ldl0313036%40163.com > >This email sent to ldl0313...@163.com ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Is there any document to explain the process about the DepartmentAndEmployee code?
Hi all, I need to use the Core Data Tech to my App. I am not familiar it very much. I have read the documents about it. And I find there are several sample code about Core Data, such as DepartmentAndEmployee and CoreRecipe But I don't know how these code were implemented step by step. Is there any document to show/explain the process to implement them concretely? Thank you very much. Any help is useful for me. Thank you!! Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Extract the names of all the files in some folder
Hi all, Suppose that all of the files are .mov file in a folder. Now in my App, I want to realize that it can extract the names of all the movie files in the folder. At the same time, it displays the names in the table view of my application when the application launches every time. Could anyone give some directions about it ? Both the basic principle and the key methods are important for me. Thx. Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
About "[super dealloc];"
Hi ,all In Cocoa, if there is "[super init];", there will be "[super dealloc];" correspondently at the end of this class. But I find that sometimes if there is not "[super init];", there will be "[super dealloc];" correspondently too. I puzzled. When should use the "[super dealloc];"? Could anyone list all of case. Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re:Re: How to specify the file type to Audio file when dragging...?
>On May 18, 2009, at 9:28 PM, Bright wrote:
>
>> I am a novice of Cocoa. So can you tell me detailed about the
>> specify the file type to Audio File
>> when dragging a file to tableview?
>>I tried the "validateDrop method" and NSworkspace, but failed.
>
>
>That depends. Can you please post your code?
>
Hi ,this is my code,but the code can not limit the file to Audio file :
- (NSDragOperation)tableView:(NSTableView*)tv validateDrop:(id
)info proposedRow:(int)row
proposedDropOperation:(NSTableViewDropOperation)op
{
? ? [tv setDropRow:[tv numberOfRows] dropOperation:NSTableViewDropAbove];
? ? returnNSTableViewDropAbove;
}
- (BOOL)tableView:(NSTableView*)tv acceptDrop:(id )info
row:(int)row dropOperation:(NSTableViewDropOperation)op
{?
? ? NSPasteboard *myPasteboard=[info draggingPasteboard];
//NSArray *typeArray=[NSSound soundUnfilteredTypes];
NSArray *typeArray=[NSArrayarrayWithObjects:NSFilenamesPboardType,nil];
? ? NSString *filePath,*availableType,*lastPathOfFileName;
? ? NSArray *filesList;
? ? int i;
? ? availableType=[myPasteboard availableTypeFromArray:typeArray];
? ? filesList=[myPasteboard propertyListForType:availableType];
? ? for (i=0;i<[filesList count];i++)
? ? {
? ? ? ? filePath=[filesList objectAtIndex:i];
lastPathOfFileName=[filePath lastPathComponent];
[songsFullPathinsertObject:filePath atIndex:row+i];
? ? ? ? [songsinsertObject:lastPathOfFileName atIndex:row+i];
? ? }
? ? [songTablereloadData];
? ? [songTableselectRow:row+i-1byExtendingSelection:NO];
returnYES;
}
thank you very much.
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Re: How to specify the file type to Audio file when dragging...?
>On 5/13/09 9:58 AM, Nick Zitzmann said: > >>> But how limit the file type to sound file only available when drag >>> and drop files into tableview? >> >>You need to check for that in your validateDrop method, and return YES >>if the desired file type is detected and NO otherwise. > >And you can check the file's type by using [NSWorkspace typeOfFile:error:]. >> Hi Thank you for your help. I am a novice of Cocoa. So can you tell me detailed about the specify the file type to Audio File when dragging a file to tableview? I tried the "validateDrop method" and NSworkspace, but failed. Does this have relationship with UTIs? thank you very much. Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
How to implement to create a new directory in a specified path and....?
Hi ,all I completed an application about tableview and audio files. Allow you to drag audio files into the tableview . It will play the audio file if you double click the tableview's cell. Now, I want to implement this result. When I drag and drop a sound file into the tableview, I want the App to create a new directory in a specified path and copy the audio file into the directory. In other words, I want to create a library to store my audio file. How to implement it? Thank you. Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
How to limit the file type when dragging?
Hi all
Now, I want to drag and drop sound files(such as mp3) into a tableview to
implement the sound-files' playing.
But how limit the file type to sound file only available when drag and drop
files into tableview?
my code is :
- (BOOL)tableView:(NSTableView*)tv acceptDrop:(id )info
row:(int)row dropOperation:(NSTableViewDropOperation)op
{
NSPasteboard *myPasteboard=[info draggingPasteboard];
NSArray *typeArray=[NSArray arrayWithObjects:NSFilenamesPboardType,nil];
NSString *filePath,*availableType;
NSArray *filesList;
int i;
availableType=[myPasteboard availableTypeFromArray:typeArray];
filesList=[myPasteboard propertyListForType:availableType];
for (i=0;i<[filesList count];i++)
{
filePath=[filesList objectAtIndex:i];
[songs insertObject:filePath atIndex:row+i];
}
[songTable reloadData];
[songTable selectRow:row+i-1 byExtendingSelection:NO];
return YES;
}
Thank you
Bright
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How to solve the "command developer usr bin gcc-4.0 failed with exit code 1" mistake?
hi when I open a Apple's samplecode of cocoa and run it, the mistake of “command developer usr bin gcc-4.0 failed with exit code 1" is occur. How to solve it? thank you! ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
How to show items in a list ,grid or coverflow?
Hi, In my App's tableview, I want to show the items in a list ,grid or coverflow. which APIs should I to call？Could anybody tell me？ Tks very much. Bright ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Fast Forward and backward about QuickTime movie
Hi douglas, thank you for your help. Now I expect that the speed is fast when user press the button and the speed is normal when user unfasten the button. I am a fresh man,ha. I don't know how to do this. Could you tell more detail？thank you！ 2009-04-21，"douglas welton" >To implement a fast (scan) forward or backward, simply set the movie's >playback rate to a value greater than 1.0 ( or -1.0 for going >backward). You'll want to experiment with want looks best for you, >but a typical value might be 2.0, 4.0, 8.0... you get the picture. > >Depending on how you want to the user to interact with your fast >forward or fast backward buttons, you'll want to create an action that >interprets the button's click, then determines when to start the movie >playing at the "scan" rate. > >later, > >douglas > >On Apr 21, 2009, at 10:39 AM, Bright wrote: > >> Hi, >> By using the "-stepForward:" and the "-stepBackward:" methods >> of the QTMovie class, I realized the forward/backward a frame >> when I click the corresponding buttons. >> But my purpose is to implement fast forward and fast backward >> when I press the corresponding buttons for a while. The result >> should like the QuickTime Play's fast forward and fast backward >> buttons.How to implement it? Any help is useful for me. >>Thanks > ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Fast Forward and backward about QuickTime movie
Hi, By using the "-stepForward:" and the "-stepBackward:" methods of the QTMovie class, I realized the forward/backward a frame when I click the corresponding buttons. But my purpose is to implement fast forward and fast backward when I press the corresponding buttons for a while. The result should like the QuickTime Play's fast forward and fast backward buttons.How to implement it? Any help is useful for me. Thanks Bight ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
How to play a sound file by Double-click in a tableview?
Hello everybody: I am writing an application about sound playing. I can add some sound files to my Xib's tableview. Now, I want to play a sound file by double-click it. But, I didn't find the method of this function. How to play a sound file by Double-click in a tableview? Thanks for all help. Mac ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Create Library of Media File
Hi,everyone Now, I am trying to write a music player app. So I want to create a "Library" to add my sound files to it. The function of the library is same as iTunes library. What's the principle of creating the "Library"? And,how to implement it? Any clues and documents about about is lucky for me. Mac ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
