ContentProxy

CanFormatToStandardPaper Copying CreateContainer Finalize MailOnTelecard Render RenderPageCount

Attributes

Stationery

Fields

instance ContentProxy tag;
 relativeOrigin: <0.0,0.0>;
    contentSize: <0.0,0.0>;
      viewFlags: 0x00000000;
     labelStyle: nilObject;
          color: 0;
       altColor: 0;
         shadow: nilObject;
          sound: nilObject;
          image: nilObject;
         target: nilObject;
     ownsTarget: false;
     drawBorder: false;
end instance;

Define Class ContentProxy;                  
    // instances of this class represent a selection of scene content
    // (one card, range of dates, etc)
    
    inherits from Proxy;
    
    field target:       Object, weak, getter, setter;
        // object, usually viewable, for which this object is a stand-in
    field ownsTarget:   Boolean;
        // also destroy Target when destroying ContentProxy
    field drawBorder:   Boolean;
        // draw border around viewable when faxing or printing

    // sending
    attribute Stationery: Stationery;   
        // getter returns iDefaultStationery;
        // setter does nothing;
        // override sometimes to use different stationery when mailing a content proxy;
    operation CreateContainer(nearThis: Object): Viewable;                          
        // called by system to get a viewable to send or beam;
        // if target is a card, returns copy of target in system persistent cluster;
        // if target is a stack subclass, returns folder in system persistent cluster whose
        // list is a StackOfCards (not subclass) that contains copies of all cards in target;
        // if target is a non-stack object list, returns folder in system persisten cluster whose
        // list is a copy of target;
        // if target is a storage box, returns result of CreateContainer on storage box 

    // imaging
    overrides Render;
        // called by system when user chooses to fax or print this content;
        // first prints cover page if any (no border, portrait mode);
        // sets 2-pixel border on print job if drawBorder field is set, otherwise sets border to 0;
        // if target is an object list, calls RenderIntoPage on each entry;
        // else calls RenderIntoPage on target;
        // override sometimes to set up print job differently, or to distinguish faxing and printing
    overrides RenderPageCount;
        // to deal with getting the right page count for stacks
    overrides CanFormatToStandardPaper;
        // to handle stacks

    overrides MailOnTelecard;
        // if system is not yet personalized, reminds user to personalize first;
        // else creates a mini card at desk from self's stationery that points to object created
        // by CreateContainer(self), and zooms it up for the user to finish or send;
        // override again to create message to send that represents self's content some
        // other way if content cannot be represented by a Card subclass
    overrides Copying;
        // if ownsTarget field is not set, just calls inherited method;
        // if target is an ObjectList, sets new target to a new object list with same contents;
        // if target is anything else, sets new target to a copy of target near self
    overrides Finalize;
        // if ownsTarget field is not set, just calls inherited method;
        // if target is an ObjectList, also calls Clear then Destroy on target;
        // if target is anything else, also calls Destroy on target
end class;