Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 406 insertions, 0 deletions

diff --git a/libkdeedu/kdeeduui/kdeeduglossary.cpp b/libkdeedu/kdeeduui/kdeeduglossary.cpp
new file mode 100644
index 00000000..5efb8a6d
--- /dev/null
+++ b/libkdeedu/kdeeduui/kdeeduglossary.cpp
@@ -0,0 +1,406 @@
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "kdeeduglossary.h"
+
+#include <kdebug.h>
+#include <klocale.h>
+#include <kiconloader.h>
+#include <khtml_part.h>
+#include <khtmlview.h>
+#include <kglobal.h>
+#include <klistview.h>
+#include <klistviewsearchline.h>
+#include <kstandarddirs.h>
+#include <kactioncollection.h>
+
+#include <qfile.h>
+#include <qlabel.h>
+#include <qheader.h>
+#include <qlayout.h>
+#include <qpushbutton.h>
+#include <qsplitter.h>
+#include <qstringlist.h>
+#include <qtoolbutton.h>
+
+Glossary::Glossary()
+{
+	// setting a generic name for a new glossary
+	m_name = i18n( "Glossary" );
+}
+
+Glossary::~Glossary()
+{
+}
+
+bool Glossary::loadLayout( QDomDocument &Document, const KURL& url )
+{
+        QFile layoutFile( url.path() );
+
+        if (!layoutFile.exists())
+	{
+		kdDebug() << "no such file: " << layoutFile.name() << endl;
+		return false;
+	}
+
+        if (!layoutFile.open(IO_ReadOnly))
+                return false;
+
+        ///Check if document is well-formed
+        if (!Document.setContent(&layoutFile))
+        {
+                kdDebug() << "wrong xml" << endl;
+                layoutFile.close();
+                return false;
+        }
+        layoutFile.close();
+
+        return true;
+}
+
+bool Glossary::isEmpty() const
+{
+	return m_itemlist.count() == 0;
+}
+
+
+Glossary* Glossary::readFromXML( const KURL& url, const QString& path )
+{
+	QDomDocument doc( "document" );
+
+	Glossary *glossary = new Glossary();
+	
+	glossary->setPicturePath( path );
+
+	if ( glossary->loadLayout( doc, url ) )
+	{
+		QValueList<GlossaryItem*> itemList;
+		itemList = glossary->readItems( doc );
+		glossary->setItemlist( itemList );
+		glossary->fixImagePath();
+	}
+
+	return glossary;
+}
+
+void Glossary::fixImagePath()
+{
+	kdDebug() << "Glossary::fixImagePath()" << endl;
+	QValueList<GlossaryItem*>::iterator it = m_itemlist.begin();
+	const QValueList<GlossaryItem*>::iterator itEnd = m_itemlist.end();
+	QString path = m_picturepath;
+	QString firstpart = "<img src=\"";
+	firstpart += path;
+
+	for ( ; it != itEnd ; ++it )
+	{
+		( *it )->setDesc( ( *it )->desc().replace("[img]", firstpart ) );
+		( *it )->setDesc( ( *it )->desc().replace("[/img]", "\" />" ) );
+	}
+}
+	
+QValueList<GlossaryItem*> Glossary::readItems( QDomDocument &itemDocument )
+{
+	QValueList<GlossaryItem*> list;
+
+	QDomNodeList itemList;
+	QDomNodeList refNodeList;
+	QDomElement itemElement;
+	QStringList reflist;
+
+	itemList = itemDocument.elementsByTagName( "item" );
+
+	const uint num = itemList.count();
+	for ( uint i = 0; i < num; ++i )
+	{
+		reflist.clear();
+		GlossaryItem *item = new GlossaryItem();
+		
+		itemElement = ( const QDomElement& ) itemList.item( i ).toElement();
+		
+		QDomNode nameNode = itemElement.namedItem( "name" );
+		QDomNode descNode = itemElement.namedItem( "desc" );
+		
+		QString picName = itemElement.namedItem( "picture" ).toElement().text();
+		QDomElement refNode = ( const QDomElement& ) itemElement.namedItem( "references" ).toElement();
+
+		QString desc = i18n( descNode.toElement().text().utf8() );
+		if ( !picName.isEmpty() )
+			desc.prepend("[img]"+picName +"[/img]" );
+
+		item->setName( i18n( nameNode.toElement( ).text().utf8() ) );
+		
+		item->setDesc( desc.replace("[b]", "<b>" ) );
+		item->setDesc( item->desc().replace("[/b]", "</b>" ) );
+		item->setDesc( item->desc().replace("[i]", "<i>" ) );
+		item->setDesc( item->desc().replace("[/i]", "</i>" ) );
+		item->setDesc( item->desc().replace("[sub]", "<sub>" ) );
+		item->setDesc( item->desc().replace("[/sub]", "</sub>" ) );
+		item->setDesc( item->desc().replace("[sup]", "<sup>" ) );
+		item->setDesc( item->desc().replace("[/sup]", "</sup>" ) );
+		item->setDesc( item->desc().replace("[br]", "<br />" ) );
+		
+		refNodeList = refNode.elementsByTagName( "refitem" );
+		for ( uint it = 0; it < refNodeList.count(); it++ )
+		{
+			reflist << i18n( refNodeList.item( it ).toElement().text().utf8() );
+		}
+		reflist.sort();
+		item->setRef( reflist );
+		
+		list.append( item );
+	}
+	
+	return list;
+}
+
+
+
+GlossaryDialog::GlossaryDialog( bool folded, QWidget *parent, const char *name)
+    : KDialogBase( Plain, i18n( "Glossary" ), Close, NoDefault, parent, name, false )
+{
+	//this string will be used for all items. If a backgroundpicture should
+	//be used call Glossary::setBackgroundPicture().
+	m_htmlbasestring = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\"><html><body>" ;
+
+	m_folded = folded;
+	
+	QVBoxLayout *vbox = new QVBoxLayout( plainPage(), 0, KDialog::spacingHint() );
+	vbox->activate();
+
+	QHBoxLayout *hbox = new QHBoxLayout( 0L, 0, KDialog::spacingHint() );
+	hbox->activate();
+
+	QToolButton *clear = new QToolButton( plainPage() );
+	clear->setIconSet( SmallIconSet( "locationbar_erase" ) );
+	hbox->addWidget( clear );
+
+	QLabel *lbl = new QLabel( plainPage() );
+	lbl->setText( i18n( "Search:" ) );
+	hbox->addWidget( lbl );
+
+	m_search = new KListViewSearchLine( plainPage(), 0, "search-line" );
+	hbox->addWidget( m_search );
+	vbox->addLayout( hbox );
+	setFocusProxy(m_search);
+ 
+	QSplitter *vs = new QSplitter( plainPage() );
+	vbox->addWidget( vs );
+
+	m_glosstree = new KListView( vs, "treeview" );
+	m_glosstree->addColumn( "entries" );
+	m_glosstree->header()->hide();
+	m_glosstree->setFullWidth( true );
+	m_glosstree->setRootIsDecorated( true );
+ 
+	m_search->setListView( m_glosstree );
+ 
+	m_htmlpart = new KHTMLPart( vs, "html-part" );
+ 
+	connect( m_htmlpart->browserExtension(), SIGNAL( openURLRequestDelayed( const KURL &, const KParts::URLArgs & ) ), this, SLOT( displayItem( const KURL &, const KParts::URLArgs & ) ) );
+	connect( m_glosstree, SIGNAL(clicked( QListViewItem * )), this, SLOT(slotClicked( QListViewItem * )));
+	connect( clear, SIGNAL(clicked()), m_search, SLOT(clear()));
+ 
+	resize( 600, 400 );
+}
+
+GlossaryDialog::~GlossaryDialog()
+{
+}
+
+void GlossaryDialog::keyPressEvent(QKeyEvent* e)
+{
+	if (e->key() == Qt::Key_Return) {
+		e->ignore();
+	}
+	KDialogBase::keyPressEvent(e);
+}
+
+void GlossaryDialog::displayItem( const KURL& url, const KParts::URLArgs& )
+{
+	// using the "host" part of a kurl as reference
+	QString myurl = url.host().lower();
+	m_search->setText( "" );
+	m_search->updateSearch( "" );
+	QListViewItem *found = 0;
+	QListViewItemIterator it( m_glosstree );
+	QListViewItem *item;
+	while ( it.current() )
+	{
+		item = it.current();
+		if ( item->text(0).lower() == myurl )
+		{
+			found = item;
+			break;
+		}
+		++it;
+	}
+	if ( found )
+	{
+		m_glosstree->ensureItemVisible( found );
+		m_glosstree->setCurrentItem( found );
+		slotClicked( found );
+	}
+}
+
+void GlossaryDialog::updateTree()
+{
+	m_glosstree->clear();
+
+	QValueList<Glossary*>::const_iterator itGl = m_glossaries.begin();
+	const QValueList<Glossary*>::const_iterator itGlEnd = m_glossaries.end();
+	
+	for ( ; itGl != itGlEnd ; ++itGl )
+	{
+		QValueList<GlossaryItem*> items = ( *itGl )->itemlist();
+		QValueList<GlossaryItem*>::iterator it = items.begin();
+		const QValueList<GlossaryItem*>::iterator itEnd = items.end();
+
+		QListViewItem *main = new QListViewItem( m_glosstree, ( *itGl )->name() );
+		main->setExpandable( true );
+		main->setSelectable( false );
+		//XXX TMP!!!
+		bool foldinsubtrees = m_folded;
+
+		for ( ; it != itEnd ; ++it )
+		{
+			if ( foldinsubtrees )
+			{
+				QChar thisletter = ( *it )->name().upper()[0];
+				QListViewItem *thisletteritem = findTreeWithLetter( thisletter, main );
+				if ( !thisletteritem )
+				{
+					thisletteritem = new QListViewItem( main, thisletter );
+					thisletteritem->setExpandable( true );
+					thisletteritem->setSelectable( false );
+				}
+				new QListViewItem( thisletteritem, ( *it )->name() );
+			}
+			else
+				new QListViewItem( main, ( *it )->name() );
+		}
+		main->sort();
+	}
+}
+
+void GlossaryDialog::addGlossary( Glossary* newgloss )
+{
+	if ( !newgloss ) return;
+	if ( newgloss->isEmpty() ) return;
+	m_glossaries.append( newgloss );
+
+	kdDebug() << "Count of the new glossary: " << newgloss->itemlist().count() << endl;
+	kdDebug() << "Number of glossaries: " << m_glossaries.count() << endl;
+
+	updateTree();
+}
+
+QListViewItem* GlossaryDialog::findTreeWithLetter( const QChar& l, QListViewItem* i )
+{
+	QListViewItem *it = i->firstChild();
+	while ( it )
+	{
+		if ( it->text(0)[0] == l )
+			return it;
+		it = it->nextSibling();
+	}
+	return 0;
+}
+
+void GlossaryDialog::slotClicked( QListViewItem *item )
+{
+	if ( !item )
+		return;
+	
+	/**
+	 * The next lines are searching for the correct KnowledgeItem
+	 * in the m_itemList. When it is found the HTML will be
+	 * generated
+	 */
+	QValueList<Glossary*>::iterator itGl = m_glossaries.begin();
+	const QValueList<Glossary*>::iterator itGlEnd = m_glossaries.end();
+	bool found = false;
+	GlossaryItem *i = 0;
+
+	QString bg_picture;
+	
+	while ( !found && itGl != itGlEnd )
+	{
+		QValueList<GlossaryItem*> items = ( *itGl )->itemlist();
+		QValueList<GlossaryItem*>::const_iterator it = items.begin();
+		const QValueList<GlossaryItem*>::const_iterator itEnd = items.end();
+		while ( !found && it != itEnd )
+		{
+			if ( ( *it )->name() == item->text( 0 ) )
+			{
+				i = *it;
+				bg_picture = ( *itGl )->backgroundPicture();
+				found = true;
+			}
+			++it;
+		}
+		++itGl;
+	}
+	if ( found && i )
+	{
+		QString html;
+		if ( !bg_picture.isEmpty() )
+		{
+			html = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\"><html><body background=\"" ;
+			html.append( bg_picture );
+			html.append("\">");
+		}else
+			html = m_htmlbasestring;
+	
+		html += i->toHtml() + "</body></html>";
+		m_htmlpart->begin();
+		m_htmlpart->write( html );
+
+		m_htmlpart->end();
+		return;
+	}
+}
+
+void GlossaryDialog::slotClose()
+{
+	emit closed();
+	accept();
+}
+
+QString GlossaryItem::toHtml() const
+{
+	QString code = "<h1>" + m_name + "</h1>" + m_desc;
+
+	if ( !m_ref.isEmpty() )
+	{
+		QString refcode = parseReferences();
+		code += refcode;
+	}
+	return code;
+}
+
+QString GlossaryItem::parseReferences() const
+{
+	QString htmlcode = "<h3>" + i18n( "References" ) + "</h3>";
+	
+	bool first = true;
+	for ( uint i = 0; i < m_ref.size(); i++ )
+	{
+		if ( !first )
+			htmlcode += "<br>";
+		else
+			first = false;
+		htmlcode += QString( "<a href=\"item://%1\">%2</a>" ).arg( m_ref[i], m_ref[i] );
+	}
+
+	return htmlcode;
+}
+
+
+#include "kdeeduglossary.moc"