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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-16 16:06:06 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-16 16:06:06 -0600
commit34784ccef6ac9dd33b4460560c68e5422a73560a (patch)
treea206e2a4050c2861ce0706a8fd3542ff29e234e1 /libtdeedu/tdeeduui/tdeeduglossary.cpp
parent89354dfc31a795bae9415f79bb07b32be643e4f4 (diff)
downloadtdeedu-34784ccef6ac9dd33b4460560c68e5422a73560a.tar.gz
tdeedu-34784ccef6ac9dd33b4460560c68e5422a73560a.zip
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diff --git a/libtdeedu/tdeeduui/tdeeduglossary.cpp b/libtdeedu/tdeeduui/tdeeduglossary.cpp
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+/***************************************************************************
+ * *
+ * 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 "tdeeduglossary.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 <tqfile.h>
+#include <tqlabel.h>
+#include <tqheader.h>
+#include <tqlayout.h>
+#include <tqpushbutton.h>
+#include <tqsplitter.h>
+#include <tqstringlist.h>
+#include <tqtoolbutton.h>
+
+Glossary::Glossary()
+{
+ // setting a generic name for a new glossary
+ m_name = i18n( "Glossary" );
+}
+
+Glossary::~Glossary()
+{
+}
+
+bool Glossary::loadLayout( TQDomDocument &Document, const KURL& url )
+{
+ TQFile 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 TQString& path )
+{
+ TQDomDocument doc( "document" );
+
+ Glossary *glossary = new Glossary();
+
+ glossary->setPicturePath( path );
+
+ if ( glossary->loadLayout( doc, url ) )
+ {
+ TQValueList<GlossaryItem*> itemList;
+ itemList = glossary->readItems( doc );
+ glossary->setItemlist( itemList );
+ glossary->fixImagePath();
+ }
+
+ return glossary;
+}
+
+void Glossary::fixImagePath()
+{
+ kdDebug() << "Glossary::fixImagePath()" << endl;
+ TQValueList<GlossaryItem*>::iterator it = m_itemlist.begin();
+ const TQValueList<GlossaryItem*>::iterator itEnd = m_itemlist.end();
+ TQString path = m_picturepath;
+ TQString firstpart = "<img src=\"";
+ firstpart += path;
+
+ for ( ; it != itEnd ; ++it )
+ {
+ ( *it )->setDesc( ( *it )->desc().replace("[img]", firstpart ) );
+ ( *it )->setDesc( ( *it )->desc().replace("[/img]", "\" />" ) );
+ }
+}
+
+TQValueList<GlossaryItem*> Glossary::readItems( TQDomDocument &itemDocument )
+{
+ TQValueList<GlossaryItem*> list;
+
+ TQDomNodeList itemList;
+ TQDomNodeList refNodeList;
+ TQDomElement itemElement;
+ TQStringList 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 TQDomElement& ) itemList.item( i ).toElement();
+
+ TQDomNode nameNode = itemElement.namedItem( "name" );
+ TQDomNode descNode = itemElement.namedItem( "desc" );
+
+ TQString picName = itemElement.namedItem( "picture" ).toElement().text();
+ TQDomElement refNode = ( const TQDomElement& ) itemElement.namedItem( "references" ).toElement();
+
+ TQString 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, TQWidget *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;
+
+ TQVBoxLayout *vbox = new TQVBoxLayout( plainPage(), 0, KDialog::spacingHint() );
+ vbox->activate();
+
+ TQHBoxLayout *hbox = new TQHBoxLayout( 0L, 0, KDialog::spacingHint() );
+ hbox->activate();
+
+ TQToolButton *clear = new TQToolButton( plainPage() );
+ clear->setIconSet( SmallIconSet( "locationbar_erase" ) );
+ hbox->addWidget( clear );
+
+ TQLabel *lbl = new TQLabel( 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);
+
+ TQSplitter *vs = new TQSplitter( 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(), TQT_SIGNAL( openURLRequestDelayed( const KURL &, const KParts::URLArgs & ) ), this, TQT_SLOT( displayItem( const KURL &, const KParts::URLArgs & ) ) );
+ connect( m_glosstree, TQT_SIGNAL(clicked( TQListViewItem * )), this, TQT_SLOT(slotClicked( TQListViewItem * )));
+ connect( clear, TQT_SIGNAL(clicked()), m_search, TQT_SLOT(clear()));
+
+ resize( 600, 400 );
+}
+
+GlossaryDialog::~GlossaryDialog()
+{
+}
+
+void GlossaryDialog::keyPressEvent(TQKeyEvent* e)
+{
+ if (e->key() == TQt::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
+ TQString myurl = url.host().lower();
+ m_search->setText( "" );
+ m_search->updateSearch( "" );
+ TQListViewItem *found = 0;
+ TQListViewItemIterator it( m_glosstree );
+ TQListViewItem *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();
+
+ TQValueList<Glossary*>::const_iterator itGl = m_glossaries.begin();
+ const TQValueList<Glossary*>::const_iterator itGlEnd = m_glossaries.end();
+
+ for ( ; itGl != itGlEnd ; ++itGl )
+ {
+ TQValueList<GlossaryItem*> items = ( *itGl )->itemlist();
+ TQValueList<GlossaryItem*>::iterator it = items.begin();
+ const TQValueList<GlossaryItem*>::iterator itEnd = items.end();
+
+ TQListViewItem *main = new TQListViewItem( m_glosstree, ( *itGl )->name() );
+ main->setExpandable( true );
+ main->setSelectable( false );
+ //XXX TMP!!!
+ bool foldinsubtrees = m_folded;
+
+ for ( ; it != itEnd ; ++it )
+ {
+ if ( foldinsubtrees )
+ {
+ TQChar thisletter = ( *it )->name().upper()[0];
+ TQListViewItem *thisletteritem = findTreeWithLetter( thisletter, main );
+ if ( !thisletteritem )
+ {
+ thisletteritem = new TQListViewItem( main, thisletter );
+ thisletteritem->setExpandable( true );
+ thisletteritem->setSelectable( false );
+ }
+ new TQListViewItem( thisletteritem, ( *it )->name() );
+ }
+ else
+ new TQListViewItem( 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();
+}
+
+TQListViewItem* GlossaryDialog::findTreeWithLetter( const TQChar& l, TQListViewItem* i )
+{
+ TQListViewItem *it = i->firstChild();
+ while ( it )
+ {
+ if ( it->text(0)[0] == l )
+ return it;
+ it = it->nextSibling();
+ }
+ return 0;
+}
+
+void GlossaryDialog::slotClicked( TQListViewItem *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
+ */
+ TQValueList<Glossary*>::iterator itGl = m_glossaries.begin();
+ const TQValueList<Glossary*>::iterator itGlEnd = m_glossaries.end();
+ bool found = false;
+ GlossaryItem *i = 0;
+
+ TQString bg_picture;
+
+ while ( !found && itGl != itGlEnd )
+ {
+ TQValueList<GlossaryItem*> items = ( *itGl )->itemlist();
+ TQValueList<GlossaryItem*>::const_iterator it = items.begin();
+ const TQValueList<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 )
+ {
+ TQString 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();
+}
+
+TQString GlossaryItem::toHtml() const
+{
+ TQString code = "<h1>" + m_name + "</h1>" + m_desc;
+
+ if ( !m_ref.isEmpty() )
+ {
+ TQString refcode = parseReferences();
+ code += refcode;
+ }
+ return code;
+}
+
+TQString GlossaryItem::parseReferences() const
+{
+ TQString 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 += TQString( "<a href=\"item://%1\">%2</a>" ).tqarg( m_ref[i], m_ref[i] );
+ }
+
+ return htmlcode;
+}
+
+
+#include "tdeeduglossary.moc"