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101 lines
3.7 KiB
101 lines
3.7 KiB
Rewrite
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Here is the result of a long discussion between the tdefile developers
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(Carsten) and the konqueror developers (Simon and David), about the plans
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for more integration between tdefile and konqueror. 16/08/2000.
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KDirLister -----(1)---------------------> KFileView (3)
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<----(2)------ [Signaller] --- | |
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KFileIconView KFileListView
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(4) (5)
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(1) Gives items found when listing, and the key for each item
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(KDirLister has all the sorting code)
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(2) KFileView inherited classes emit requests for listing a new
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directory (with a bool for treeviews), and emit requests for
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the mimetype of a given item. If all KFileView inherited classes
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are QScrollViews, then it could even implement the "ask for mimetype
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of the visible icons first" algorithm, currently in KonqIconView.
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(3) KFileView, the base class for any view, knows about KFileItem, has
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signals for dropped(), popupMenu(list of actions provided by the view),
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has a QWidget * canvas() method, xOffset() and yOffset()
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(4) KFileIconView holds a QPtrDict to look up a QIconViewItem quickly from a
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given KFileItem. This will help for e.g. deleteItems and refreshItems.
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(5) KFileListView holds a QPtrDict to find the QListViewItem for a
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KFileItem. It implements different modes if we want the tree view in
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tdefile ?
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KFileChooserWidget
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This (base) class is the container widget that can contain any tdefileview and
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switch between them. It is embeddable into an application that wants a widget
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for choosing a file or directory. Features listing, selecting, popupmenu for
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switching modes, and a virtual createView( viewmode ) method, which
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only knows about the builtin views, in this class.
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It knows the current URL, has setURL(), and triggers the listing, connecting
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KFileView's requests to KDirLister's methods.
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KFileManagerWidget
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This class inherits from KFileChooserWidget and adds the file management
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operations. It uses a KFileOperations class (taken from the current
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KonqOperations) for all KIO operations, and it uses KFileUndo, taken from
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the KonqUndo stuff. The popupMenu method is reimplemented to add those
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operations to it.
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KFileWidget
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This class is the full widget that can be seen in the dialog. It has the
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toolbar buttons, the combo, etc. It embeds a KFileChooserWidget or a
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KFileManagerWidget, the latter being a specialisation of the former.
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The Konqueror side of things
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============================
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KonqFileIconView
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Inherits KFileIconView and adds image preview - unless we want it in
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KFileIconView, and the line-up-icons algorithm, etc.
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KonqFileListView
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Inherits KFileListView to add more stuff if needed. The mc-like text view
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could be implemented here as well, unless we want it in tdefile. Same for the
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tree view.
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KonqFileManagerWidget
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This class inherits KFileManagerWidget and adds the konqueror stuff, like
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the enableAction signal. It also reimplements createView to create the
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konqueror versions of the views.
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KonqDirPart
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This class inherits KParts::ReadOnlyPart, and provides a BrowserExtension.
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It integrates KonqFileManagerWidget as its KParts widget, and provides
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TDEActions for it.
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Important :
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Make sure to take kfind into account. It would be nice if it could use the
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same views as konqueror, to have access to all the view modes, as well as
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image preview, etc.
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Unrelated:
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To Add
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======
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Mime Mappings?
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Filter= ( Mime Type | shell glob list )
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Mime Type -> shell glob list
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