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List:       kde-devel
Subject:    Re: Find out info about KParts
From:       Christoffer Brodd-Reijer <ephracis () linux ! se>
Date:       2006-02-18 12:16:30
Message-ID: 43F7101E.9050208 () linux ! se
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Christoffer Brodd-Reijer wrote:
> David Faure wrote:
>> On Friday 17 February 2006 19:54, Christoffer Brodd-Reijer wrote:
>>> But as far as I understand it ktrader takes a mimetype and gives you a 
>>> kpart to handle it. What if I want to use a filebrowser to show the 
>>> contents in a certain directory? Does that work the same way?
>> Yes. The mimetype is inode/directory.
>>
> 
> Great. I am having a great time using KParts, I am amazed over how great 
>   and usable they are.
> 
> However, now when I have created two parts, of which one is a browser 
> opening a local folder (I use KMimeType::findByURL() to get the 
> mimetype), how can I find the api to whatever kpart is being used? For 
> example I want to connect the two parts so that when an object in the 
> browser is clicked the file (which should be an image) should be 
> displayed in the other part.
> 
> Or how can I manipulate the browser to make it view a tree view instead 
> of icon view?
> 
> Since I don't know which kpart is being used, I cannot just google on 
> it. Or do all parts use the same api?
> 
> Thanks.
> 

I've found out that I need to use the browser extension to get the 
openURLRequest and a few more nice stuff. But the problem is that I 
don't know how to extend my currently read-only part with the browser 
extension. Here is my code:

photoW::photoW(KParts::PartManager *manager, QWidget *parent, const char 
*name) : QWidget(parent, name) {
	QGridLayout *grid = new QGridLayout(this, 1, 1);

	treePart = 0;
	viewPart = 0;

	splitter = new QSplitter(this);
	
	KURL url("file:///media/psp/PSP/photo");
	QString mimetype = KMimeType::findByURL(url)->name();
	
	treePart = 
KParts::ComponentFactory::createPartInstanceFromQuery<KParts::ReadOnlyPart> 
(mimetype, QString::null, splitter, 0L, this, 0L);
	viewPart = 
KParts::ComponentFactory::createPartInstanceFromQuery<KParts::ReadOnlyPart> 
(mimetype, QString::null, splitter, 0L, this, 0L);

	treePart->widget()->show();
	viewPart->widget()->show();

	manager->addPart(treePart, TRUE);
	manager->addPart(viewPart, FALSE);
	
	treePart->openURL(url);
	
	//connect(treePart->browserExtension(), SIGNAL(openURLRequest(KURL &)), 
this, SLOT(openURL(KURL &)));
	
	grid->addWidget(splitter, 0, 0);
}

But, I still don't know how to force the kpart treeView to display the 
folder as a tree, instead of using an icon view.


Thanks,

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