#include "pkgdata.h"
#include "pkgkeys.h"
#include "pkglist.h"
+#include "pkgtask.h"
using WTK::StringResource;
using WTK::WindowClassMaker;
virtual long OnPaint();
HWND PackageRef, DataClass;
+ static DataSheetMaker *Display;
HDC canvas; RECT bounding_box;
HFONT NormalFont, BoldFont;
+ static int Advance;
long offset; char *desc;
+ void DisplayGeneralData( pkgXmlNode * );
+ static int DisplaySourceURL( const char * );
+ static int DisplayLicenceURL( const char * );
+ static int DisplayPackageURL( const char * );
inline void DisplayDescription( pkgXmlNode * );
void ComposeDescription( pkgXmlNode *, pkgXmlNode * );
- inline void FormatText( HDC, const char * );
+ int FormatRecord( int, const char *, const char * );
+ inline void FormatText( const char * );
long LineSpacing;
};
+/* Don't forget to instantiate the static member variables...
+ */
+int DataSheetMaker::Advance;
+DataSheetMaker *DataSheetMaker::Display;
+
enum
{ /* Tab identifiers for the available data sheet collection.
*/
UpdateWindow( AppWindow );
}
-inline void DataSheetMaker::FormatText( HDC canvas, const char *text )
+inline void DataSheetMaker::FormatText( const char *text )
{
/* Helper method to transfer text to the display device, formatting
* it to fill as many lines of the viewing window as may be required,
;
}
+int DataSheetMaker::FormatRecord( int offset, const char *tag, const char *text )
+{
+ /* Helper method to transfer text to the display device, prefacing
+ * it with a specified record key, before formatting as above.
+ */
+ const char *fmt = "%s: %s";
+ int span = snprintf( NULL, 0, fmt, tag, text );
+ char record[ 1 + span ]; snprintf( record, sizeof( record ), fmt, tag, text );
+ if( offset == 0 )
+ bounding_box.top += PARAGRAPH_MARGIN;
+ FormatText( record );
+ return offset + span;
+}
+
+void DataSheetMaker::DisplayGeneralData( pkgXmlNode *ref )
+{
+ /* Method to compile the package data, which is to be displayed
+ * on the general information tab; we begin by displaying the
+ * identification records for the selected package, and the
+ * subsystem to which it belongs.
+ */
+ FormatRecord( 0, "SubSystem",
+ ref->GetContainerAttribute( subsystem_key, value_unknown )
+ );
+ FormatRecord( 1, "Package Name",
+ ref->GetContainerAttribute( name_key, value_unknown )
+ );
+ if( ref->IsElementOfType( component_key ) )
+ FormatRecord( 1, "Component Class",
+ ref->GetPropVal( class_key, value_unknown )
+ );
+
+ /* Using a temporary action item, collect information on the
+ * available and installed (if any) versions of the selected
+ * package.
+ */
+ pkgActionItem avail;
+ ref = ref->FindFirstAssociate( release_key );
+ while( ref != NULL )
+ {
+ /* ...to scan all associated release keys, and select the
+ * most recent recorded in the database as available...
+ */
+ avail.SelectIfMostRecentFit( ref );
+ if( ref->GetInstallationRecord( ref->GetPropVal( tarname_key, NULL )) != NULL )
+ /*
+ * ...also noting if any is marked as installed...
+ */
+ avail.SelectPackage( ref, to_remove );
+
+ /* ...until all release keys have been inspected...
+ */
+ ref = ref->FindNextAssociate( release_key );
+ }
+ /* ...and performing a final check on installation status.
+ */
+ avail.ConfirmInstallationStatus();
+
+ /* Now print the applicable version information, noting that
+ * "none" may be appropriate for the installed version.
+ */
+ FormatRecord( 0, "Installed Version",
+ ((ref = avail.Selection( to_remove )) != NULL)
+ ? ref->GetPropVal( tarname_key, value_unknown ) : value_none
+ );
+ FormatRecord( 1, "Repository Version",
+ (ref = avail.Selection())->GetPropVal( tarname_key, value_unknown )
+ );
+
+ /* Finally, report the download URLs for the selected package,
+ * and its associated source and licence archives; (note that we
+ * must save static callback references, so that the PrintURI()
+ * method can access this data sheet context).
+ */
+ Display = this; Advance = 0;
+ avail.PrintURI( ref->ArchiveName(), DisplayPackageURL );
+ avail.PrintURI( ref->SourceArchiveName( ACTION_LICENCE ), DisplayLicenceURL );
+ avail.PrintURI( ref->SourceArchiveName( ACTION_SOURCE ), DisplaySourceURL );
+}
+
+int DataSheetMaker::DisplayPackageURL( const char *uri )
+{
+ /* Static helper method, which may be passed to pkgActionItem::PrintURI(),
+ * to display the package download URL on the active data sheet panel.
+ */
+ return Advance = Display->FormatRecord( Advance, "Package URL", uri );
+}
+
+int DataSheetMaker::DisplaySourceURL( const char *uri )
+{
+ /* Static helper method, which may be passed to pkgActionItem::PrintURI(),
+ * to display the source download URL on the active data sheet panel.
+ */
+ return Advance = Display->FormatRecord( Advance, "Source URL", uri );
+}
+
+int DataSheetMaker::DisplayLicenceURL( const char *uri )
+{
+ /* Static helper method, which may be passed to pkgActionItem::PrintURI(),
+ * to display the licence download URL on the active data sheet panel.
+ */
+ return Advance = Display->FormatRecord( Advance, "Licence URL", uri );
+}
+
inline void DataSheetMaker::DisplayDescription( pkgXmlNode *ref )
{
/* A convenience method to invoke the recursive retrieval of any
/* ...before laying out the visible text of
* this paragraph, (if any).
*/
- FormatText( canvas, ref->GetText() );
+ FormatText( ref->GetText() );
/* Cycle, to process any further paragraphs
* which are included within the current
}
}
+static pkgXmlNode *pkgListSelection( HWND package_ref, LVITEM *lookup )
+{
+ /* Helper function, to retrieve the active selection from the
+ * package list, as displayed in the upper right data pane.
+ */
+ lookup->iSubItem = 0;
+ lookup->mask = LVIF_PARAM;
+ ListView_GetItem( package_ref, lookup );
+ return (pkgXmlNode *)(lookup->lParam);
+}
+
long DataSheetMaker::OnPaint()
{
/* Handler for WM_PAINT message messages, sent to any window
char desc[256];
SelectObject( canvas, BoldFont );
ListView_GetItemText( PackageRef, lookup.iItem, 5, desc, sizeof( desc ) );
- FormatText( canvas, desc );
+ FormatText( desc );
if( offset > 0 )
{
/* ...adjusting as appropriate, when the heading is scrolled
SelectObject( canvas, NormalFont );
switch( tab )
{
+ case PKG_DATASHEET_GENERAL:
+ /* This comprises package and subsystem identification,
+ * followed by latest version availability, installation
+ * status, and package download URLs.
+ */
+ DisplayGeneralData( pkgListSelection( PackageRef, &lookup ) );
+ break;
+
case PKG_DATASHEET_DESCRIPTION:
/* This represents the package description, provided by
* the package maintainer, within the XML specification.
*/
- lookup.iSubItem = 0;
- lookup.mask = LVIF_PARAM;
- ListView_GetItem( PackageRef, &lookup );
- DisplayDescription( (pkgXmlNode *)(lookup.lParam) );
+ DisplayDescription( pkgListSelection( PackageRef, &lookup ) );
break;
default:
* to provide a compiling routine.
*/
bounding_box.top += TOP_MARGIN;
- FormatText( canvas,
+ FormatText(
"FIXME:data sheet unavailable; a compiler for this "
"data category has yet to be implemented."
);
{ /* There is no active package selection; advise accordingly.
*/
bounding_box.top += TOP_MARGIN << 1;
- FormatText( canvas,
+ FormatText(
"No package selected."
);
bounding_box.top += PARAGRAPH_MARGIN << 1;
- FormatText( canvas,
+ FormatText(
"Please select a package from the list above, "
"to view related data."
);
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