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<?xml version="1.0"?>
<!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.4//EN" "http://www.gnustep.org/gsdoc-1_0_4.dtd">
<gsdoc base="NSDocumentController" up="Gui">
  <head>
    <title>NSDocumentController</title>
    <author name="Carl Lindberg">
      <email address="Carl.Lindberg@hbo.com">
        Carl.Lindberg@hbo.com
      </email>
    </author>
    <abstract>The document controller class</abstract>
    <copy>1999 Free Software Foundation, Inc.</copy>
  </head>
  <body>
    <front><contents /></front>
    <chapter>
      <heading>
        Software documentation for the NSDocumentController
        class
      </heading>
      <class name="NSDocumentController" super="NSObject" ovadd="10.0.0">
        <declared>AppKit/NSDocumentController.h</declared>
        <conform>NSCoding</conform>
        <desc>
          <p>
            NSDocumentController is a class that
            controls a set of NSDocuments for an application.
            As an application delegate, it responds to the typical
            File Menu commands for opening and creating new
            documents, and making sure all documents have
            been saved when an application quits. It also
            registers itself for the
            NSWorkspaceWillPowerOffNotification.
            Note that NSDocumentController isn't truly the
            application delegate, but it works in a similar
            way. You can still have your own application delegate
            - but beware, if it responds to the same methods as
            NSDocumentController, your delegate
            methods will get called, not the
            NSDocumentController's.
          </p>
          <p>
            NSDocumentController also manages
            document types and the related NSDocument
            subclasses that handle them. This information
            comes from the custom info property list
            ({ApplicationName}Info.plist)
            loaded when NSDocumentController is initialized. The
            property list contains an array of dictionarys
            with the key NSTypes. Each dictionary contains a set
            of keys:
          </p>
          <list>
            <item>
              NSDocumentClass - The name of the
              subclass
            </item>
            <item>
              NSName - Short name of the document type
            </item>
            <item>
              NSHumanReadableName - Longer document
              type name
            </item>
            <item>NSUnixExtensions - Array of strings</item>
            <item>NSDOSExtensions - Array of strings</item>
            <item>NSIcon - Icon name for these documents</item>
            <item>NSRole - Viewer or Editor</item>
          </list>
          <p>
            You can use NSDocumentController to get a list of all
            open documents, the current document (The one whose
            window is Key) and other information about these
            documents. It also remembers the most recently
            opened documents (through the user default key
            NSRecentDocuments)..
          </p>
          <p>
            You can subclass NSDocumentController to customize the
            behavior of certain aspects of the class, but it
            is very rare that you would need to do this.
          </p>
        </desc>
        <method type="id" factory="yes" ovadd="10.0.0">
          <sel>sharedDocumentController</sel>
          <desc>
            Returns the shared instance of the document
            controller class. You should always use this
            method to get the NSDocumentController.
          </desc>
        </method>
        <method type="NSArray*" ovadd="10.0.0">
          <sel>URLsFromRunningOpenPanel</sel>
          <desc>
            Uses
            <ref type="method" id="-runModalOpenPanel:forTypes:">
              -runModalOpenPanel:forTypes:
            </ref>
            to allow the user to select files to open (after
            initializing the NSOpenPanel). Returns the
            list of files as URLs that the user has selected.
          </desc>
        </method>
        <method type="void" ovadd="10.0.0">
          <sel>addDocument:</sel>
          <arg type="NSDocument*">document</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSTimeInterval" ovadd="10.4.0">
          <sel>autosavingDelay</sel>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.8.0">
          <sel>beginOpenPanel:</sel>
          <arg type="NSOpenPanel*">openPanel</arg>
          <sel>forTypes:</sel>
          <arg type="NSArray*">types</arg>
          <sel>completionHandler:</sel>
          <arg type="GSCompletionBlock3">completionHandler</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.7.0">
          <sel>beginOpenPanelWithCompletionHandler:</sel>
          <arg type="GSCompletionBlock2">completionHandler</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="IBAction" ovadd="10.0.0">
          <sel>clearRecentDocuments:</sel>
          <arg type="id">sender</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="BOOL" ovadd="10.0.0">
          <sel>closeAllDocuments</sel>
          <desc>
            Iterates through all the open documents and asks
            each one in turn if it can close using
            <ref type="method" id="-canCloseDocument" class="NSDocument">[NSDocument -canCloseDocument]</ref>. If the document returns <code>YES</code>, then it is closed.
          </desc>
        </method>
        <method type="void" ovadd="10.0.0">
          <sel>closeAllDocumentsWithDelegate:</sel>
          <arg type="id">delegate</arg>
          <sel>didCloseAllSelector:</sel>
          <arg type="SEL">didAllCloseSelector</arg>
          <sel>contextInfo:</sel>
          <arg type="void*">contextInfo</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSString*" ovadd="10.0.0">
          <sel>currentDirectory</sel>
          <desc>
            Returns the current directory. This method first
            checks if there is a current document using the
            <ref type="method" id="-currentDocument">
              -currentDocument
            </ref>
            method. If this returns a document and the document
            has a filename, this method returns the directory this
            file is located in. Otherwise it returns the directory
            of the most recently opened document or the user's home
            directory if no document has been opened before.
          </desc>
        </method>
        <method type="id" ovadd="10.0.0">
          <sel>currentDocument</sel>
          <desc>
            Returns the document whose window is the main
            window
          </desc>
        </method>
        <method type="NSString*" ovadd="10.4.0">
          <sel>defaultType</sel>
          <desc>
            Returns the first type found for which the
            application has an editor role.
          </desc>
        </method>
        <method type="NSString*" ovadd="10.0.0">
          <sel>displayNameForType:</sel>
          <arg type="NSString*">type</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="Class" ovadd="10.0.0">
          <sel>documentClassForType:</sel>
          <arg type="NSString*">type</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSArray*" ovadd="10.4.0">
          <sel>documentClassNames</sel>
          <desc>
            Returns the names of the NSDocument subclasses
            handling documents in this application. This will
            be <code>nil</code> or empty if this is not a document
            based application.
          </desc>
        </method>
        <method type="id" ovadd="10.0.0">
          <sel>documentForFileName:</sel>
          <arg type="NSString*">fileName</arg>
          <desc>
            Returns the NSDocument class that controls the
            document with the name <var>fileName</var>.
          </desc>
        </method>
        <method type="id" ovadd="10.4.0">
          <sel>documentForURL:</sel>
          <arg type="NSURL*">url</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="id" ovadd="10.0.0">
          <sel>documentForWindow:</sel>
          <arg type="NSWindow*">window</arg>
          <desc>
            Returns the NSDocument class that controls
            <var>window</var>
          </desc>
        </method>
        <method type="NSArray*" ovadd="10.0.0">
          <sel>documents</sel>
          <desc>
            Returns an array of all open documents
          </desc>
        </method>
        <method type="id" ovadd="10.7.0">
          <sel>duplicateDocumentWithContentsOfURL:</sel>
          <arg type="NSURL*">url</arg>
          <sel>copying:</sel>
          <arg type="BOOL">duplicateByCopying</arg>
          <sel>displayName:</sel>
          <arg type="NSString*">displayNameOrNil</arg>
          <sel>error:</sel>
          <arg type="NSError**">outError</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSArray*" ovadd="10.0.0">
          <sel>fileExtensionsFromType:</sel>
          <arg type="NSString*">type</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSArray*" ovadd="10.0.0">
          <sel>fileNamesFromRunningOpenPanel</sel>
          <desc>
            Uses
            <ref type="method" id="-runModalOpenPanel:forTypes:">
              -runModalOpenPanel:forTypes:
            </ref>
            to allow the user to select files to open (after
            initializing the NSOpenPanel). Returns the
            list of files that the user has selected.
          </desc>
        </method>
        <method type="BOOL" ovadd="10.0.0">
          <sel>hasEditedDocuments</sel>
          <desc>
            Returns <code>YES</code> if any documents are
            "dirty", e.g. changes have been made to the
            document that have not been saved to the disk
          </desc>
        </method>
        <method type="id" ovadd="10.4.0">
          <sel>makeDocumentForURL:</sel>
          <arg type="NSURL*">url</arg>
          <sel>withContentsOfURL:</sel>
          <arg type="NSURL*">contents</arg>
          <sel>ofType:</sel>
          <arg type="NSString*">type</arg>
          <sel>error:</sel>
          <arg type="NSError**">err</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="id" ovadd="10.0.0">
          <sel>makeDocumentWithContentsOfFile:</sel>
          <arg type="NSString*">fileName</arg>
          <sel>ofType:</sel>
          <arg type="NSString*">type</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="id" ovadd="10.0.0">
          <sel>makeDocumentWithContentsOfURL:</sel>
          <arg type="NSURL*">url</arg>
          <sel>ofType:</sel>
          <arg type="NSString*">type</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="id" ovadd="10.4.0">
          <sel>makeDocumentWithContentsOfURL:</sel>
          <arg type="NSURL*">url</arg>
          <sel>ofType:</sel>
          <arg type="NSString*">type</arg>
          <sel>error:</sel>
          <arg type="NSError**">err</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="id" ovadd="10.0.0">
          <sel>makeUntitledDocumentOfType:</sel>
          <arg type="NSString*">type</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="id" ovadd="10.4.0">
          <sel>makeUntitledDocumentOfType:</sel>
          <arg type="NSString*">type</arg>
          <sel>error:</sel>
          <arg type="NSError**">err</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSUInteger" ovadd="10.4.0">
          <sel>maximumRecentDocumentCount</sel>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="IBAction" ovadd="10.0.0">
          <sel>newDocument:</sel>
          <arg type="id">sender</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.0.0">
          <sel>noteNewRecentDocument:</sel>
          <arg type="NSDocument*">aDocument</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.0.0">
          <sel>noteNewRecentDocumentURL:</sel>
          <arg type="NSURL*">anURL</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="IBAction" ovadd="10.0.0">
          <sel>openDocument:</sel>
          <arg type="id">sender</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="id" ovadd="10.0.0">
          <sel>openDocumentWithContentsOfFile:</sel>
          <arg type="NSString*">fileName</arg>
          <sel>display:</sel>
          <arg type="BOOL">display</arg>
          <desc>
            Creates an
            <ref type="class" id="NSDocument">NSDocument</ref>
              object from the data at the absolute path given in
              <var>fileName</var>. Causes the document to be
              displayed if <var>display</var> is
              <code>YES</code>.
          </desc>
        </method>
        <method type="id" ovadd="10.0.0">
          <sel>openDocumentWithContentsOfURL:</sel>
          <arg type="NSURL*">url</arg>
          <sel>display:</sel>
          <arg type="BOOL">display</arg>
          <desc>
            Creates an
            <ref type="class" id="NSDocument">NSDocument</ref>
              object from the data at the supplied
              <var>url</var>. <br /> Causes the document to be
              displayed if <var>display</var> is
              <code>YES</code>.
          </desc>
        </method>
        <method type="void" ovadd="10.7.0">
          <sel>openDocumentWithContentsOfURL:</sel>
          <arg type="NSURL*">url</arg>
          <sel>display:</sel>
          <arg type="BOOL">display</arg>
          <sel>completionHandler:</sel>
          <arg type="GSCompletionBlock1">completionHandler</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="id" ovadd="10.4.0">
          <sel>openDocumentWithContentsOfURL:</sel>
          <arg type="NSURL*">url</arg>
          <sel>display:</sel>
          <arg type="BOOL">display</arg>
          <sel>error:</sel>
          <arg type="NSError**">err</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="id" ovadd="10.4.0">
          <sel>openUntitledDocumentAndDisplay:</sel>
          <arg type="BOOL">display</arg>
          <sel>error:</sel>
          <arg type="NSError**">err</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="id" ovadd="10.0.0">
          <sel>openUntitledDocumentOfType:</sel>
          <arg type="NSString*">type</arg>
          <sel>display:</sel>
          <arg type="BOOL">display</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="BOOL" ovadd="10.4.0">
          <sel>presentError:</sel>
          <arg type="NSError*">err</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.4.0">
          <sel>presentError:</sel>
          <arg type="NSError*">err</arg>
          <sel>modalForWindow:</sel>
          <arg type="NSWindow*">win</arg>
          <sel>delegate:</sel>
          <arg type="id">delegate</arg>
          <sel>didPresentSelector:</sel>
          <arg type="SEL">sel</arg>
          <sel>contextInfo:</sel>
          <arg type="void*">context</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSArray*" ovadd="10.0.0">
          <sel>recentDocumentURLs</sel>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.0.0">
          <sel>removeDocument:</sel>
          <arg type="NSDocument*">document</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.7.0">
          <sel>reopenDocumentForURL:</sel>
          <arg type="NSURL*">url</arg>
          <sel>withContentsOfURL:</sel>
          <arg type="NSURL*">contents</arg>
          <sel>display:</sel>
          <arg type="BOOL">display</arg>
          <sel>completionHandler:</sel>
          <arg type="GSCompletionBlock1">completionHandler</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="BOOL" ovadd="10.4.0">
          <sel>reopenDocumentForURL:</sel>
          <arg type="NSURL*">url</arg>
          <sel>withContentsOfURL:</sel>
          <arg type="NSURL*">contents</arg>
          <sel>error:</sel>
          <arg type="NSError**">err</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="BOOL" ovadd="10.0.0">
          <sel>reviewUnsavedDocumentsWithAlertTitle:</sel>
          <arg type="NSString*">title</arg>
          <sel>cancellable:</sel>
          <arg type="BOOL">cancellable</arg>
          <desc>
            If there are any unsaved documents, this method displays
            an alert panel asking if the user wants to review the
            unsaved documents. If the user agrees to review the
            documents, this method calls
            <ref type="method" id="-closeAllDocuments">
              -closeAllDocuments
            </ref>
            to close each document (prompting to save a document if
            it is dirty). If <var>cancellable</var> is
            <code>YES</code>, then the user is not allowed to
            cancel this request, otherwise this method will
            return <code>NO</code> if the user presses the
            Cancel button. Otherwise returns <code>YES</code>
            after all documents have been closed (or if there are
            no unsaved documents.)
          </desc>
        </method>
        <method type="void" ovadd="10.0.0">
          <sel>reviewUnsavedDocumentsWithAlertTitle:</sel>
          <arg type="NSString*">title</arg>
          <sel>cancellable:</sel>
          <arg type="BOOL">cancellable</arg>
          <sel>delegate:</sel>
          <arg type="id">delegate</arg>
          <sel>didReviewAllSelector:</sel>
          <arg type="SEL">didReviewAllSelector</arg>
          <sel>contextInfo:</sel>
          <arg type="void*">contextInfo</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSInteger" ovadd="10.0.0">
          <sel>runModalOpenPanel:</sel>
          <arg type="NSOpenPanel*">openPanel</arg>
          <sel>forTypes:</sel>
          <arg type="NSArray*">openableFileExtensions</arg>
          <desc>
            Invokes
            <ref type="method" id="-runModalForTypes:" class="NSOpenPanel">[NSOpenPanel -runModalForTypes:]</ref> with the NSOpenPanel object <var>openPanel</var>, and passes the <var>openableFileExtensions</var> file types
          </desc>
        </method>
        <method type="IBAction" ovadd="10.0.0">
          <sel>saveAllDocuments:</sel>
          <arg type="id">sender</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.4.0">
          <sel>setAutosavingDelay:</sel>
          <arg type="NSTimeInterval">autosavingDelay</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="void" ovadd="10.0.0">
          <sel>setShouldCreateUI:</sel>
          <arg type="BOOL">flag</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="BOOL" ovadd="10.0.0">
          <sel>shouldCreateUI</sel>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSString*" ovadd="10.4.0">
          <sel>typeForContentsOfURL:</sel>
          <arg type="NSURL*">url</arg>
          <sel>error:</sel>
          <arg type="NSError**">err</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSString*" ovadd="10.0.0">
          <sel>typeFromFileExtension:</sel>
          <arg type="NSString*">fileExtension</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="BOOL" ovadd="10.0.0">
          <sel>validateMenuItem:</sel>
          <arg type="NSMenuItem*">anItem</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="BOOL" ovadd="10.0.0">
          <sel>validateUserInterfaceItem:</sel>
          <arg type="id&lt;NSValidatedUserInterfaceItem&gt;">anItem</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
        <method type="NSError*" ovadd="10.4.0">
          <sel>willPresentError:</sel>
          <arg type="NSError*">err</arg>
          <desc>
            <em>Description forthcoming.</em>
          </desc>
        </method>
      </class>
    </chapter>
  </body>
</gsdoc>

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