Add Qt3 development HEAD version

1 files changed, 103 insertions, 0 deletions

diff --git a/examples/xml/outliner/outlinetree.cpp b/examples/xml/outliner/outlinetree.cpp
new file mode 100644
index 0000000..726955b
--- /dev/null
+++ b/examples/xml/outliner/outlinetree.cpp
@@ -0,0 +1,103 @@
+/****************************************************************************
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of an example program for Qt.  This example
+** program may be used, distributed and modified without limitation.
+**
+*****************************************************************************/
+
+#include "outlinetree.h"
+#include <qfile.h>
+#include <qmessagebox.h>
+
+OutlineTree::OutlineTree( const QString fileName, QWidget *parent, const char *name )
+    : QListView( parent, name )
+{
+    // div. configuration of the list view
+    addColumn( "Outlines" );
+    setSorting( -1 );
+    setRootIsDecorated( TRUE );
+
+    // read the XML file and create DOM tree
+    QFile opmlFile( fileName );
+    if ( !opmlFile.open( IO_ReadOnly ) ) {
+	QMessageBox::critical( 0,
+		tr( "Critical Error" ),
+		tr( "Cannot open file %1" ).arg( fileName ) );
+	return;
+    }
+    if ( !domTree.setContent( &opmlFile ) ) {
+	QMessageBox::critical( 0,
+		tr( "Critical Error" ),
+		tr( "Parsing error for file %1" ).arg( fileName ) );
+	opmlFile.close();
+	return;
+    }
+    opmlFile.close();
+
+    // get the header information from the DOM
+    QDomElement root = domTree.documentElement();
+    QDomNode node;
+    node = root.firstChild();
+    while ( !node.isNull() ) {
+	if ( node.isElement() && node.nodeName() == "head" ) {
+	    QDomElement header = node.toElement();
+	    getHeaderInformation( header );
+	    break;
+	}
+	node = node.nextSibling();
+    }
+    // create the tree view out of the DOM
+    node = root.firstChild();
+    while ( !node.isNull() ) {
+	if ( node.isElement() && node.nodeName() == "body" ) {
+	    QDomElement body = node.toElement();
+	    buildTree( 0, body );
+	    break;
+	}
+	node = node.nextSibling();
+    }
+}
+
+OutlineTree::~OutlineTree()
+{
+}
+
+void OutlineTree::getHeaderInformation( const QDomElement &header )
+{
+    // visit all children of the header element and look if you can make
+    // something with it
+    QDomNode node = header.firstChild();
+    while ( !node.isNull() ) {
+	if ( node.isElement() ) {
+	    // case for the different header entries
+	    if ( node.nodeName() == "title" ) {
+		QDomText textChild = node.firstChild().toText();
+		if ( !textChild.isNull() ) {
+		    setColumnText( 0, textChild.nodeValue() );
+		}
+	    }
+	}
+	node = node.nextSibling();
+    }
+}
+
+void OutlineTree::buildTree( QListViewItem *parentItem, const QDomElement &parentElement )
+{
+    QListViewItem *thisItem = 0;
+    QDomNode node = parentElement.firstChild();
+    while ( !node.isNull() ) {
+	if ( node.isElement() && node.nodeName() == "outline" ) {
+	    // add a new list view item for the outline
+	    if ( parentItem == 0 )
+		thisItem = new QListViewItem( this, thisItem );
+	    else
+		thisItem = new QListViewItem( parentItem, thisItem );
+	    thisItem->setText( 0, node.toElement().attribute( "text" ) );
+	    // recursive build of the tree
+	    buildTree( thisItem, node.toElement() );
+	}
+	node = node.nextSibling();
+    }
+}