mirror of
https://invent.kde.org/graphics/okular
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4d0a1ed6e1
all the reviews on the document (pretty unuseful now, but that will change ;-). Another step to good kpdf annotations. Part: Added Reviews toolbox pane. Added (commented out while doing it right) searchline for toc; just works. Misc: Observer: added id for Reviews pane (as document observer it monitors document/annotations changes). Page: added 2 temporary accessors for annotations (will change soon). Makefile: added side_reviews.cpp to compilation. Searchwidget: slight better spacing to look consistant with the review panel. svn path=/branches/kpdf_annotations/kdegraphics/kpdf/; revision=400307
282 lines
9.6 KiB
C++
282 lines
9.6 KiB
C++
/***************************************************************************
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* Copyright (C) 2005 by Enrico Ros <eros.kde@email.it> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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// qt/kde includes
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#include <qheader.h>
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#include <qlayout.h>
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#include <qtimer.h>
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#include <ktoolbar.h>
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#include <klistview.h>
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#include <klistviewsearchline.h>
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#include <kaction.h>
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#include <kactionclasses.h>
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#include <klocale.h>
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#include <kapplication.h>
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#include <kiconloader.h>
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// local includes
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#include "core/annotations.h"
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#include "core/document.h"
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#include "core/page.h"
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#include "conf/settings.h"
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#include "side_reviews.h"
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Reviews::Reviews( QWidget * parent, KPDFDocument * document )
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: QWidget( parent ), m_document( document ), m_delayTimer( 0 ), m_currentPage( -1 )
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{
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// create widgets and layout them vertically
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QVBoxLayout * vLayout = new QVBoxLayout( this, 0, 4 );
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m_toolBar1 = new KToolBar( this, "reviewSearchBar" );
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vLayout->addWidget( m_toolBar1 );
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m_listView = new KListView( this );
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vLayout->addWidget( m_listView );
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m_toolBar2 = new KToolBar( this, "reviewOptsBar" );
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vLayout->addWidget( m_toolBar2 );
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// setup 1-UPPER toolbar and searchLine
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m_searchLine = new KListViewSearchLine( m_toolBar1, m_listView );
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m_toolBar1->setIconSize( 16 );
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m_toolBar1->setMovingEnabled( false );
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// - add Clear button
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QString clearIconName = KApplication::reverseLayout() ? "clear_left" : "locationbar_erase";
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m_toolBar1->insertButton( clearIconName, 1, SIGNAL( clicked() ),
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m_searchLine, SLOT( clear() ), true, i18n( "Clear Filter" ) );
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// - add Search line
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m_toolBar1->insertWidget( 2, 0, m_searchLine );
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m_toolBar1->setItemAutoSized( 2 );
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m_toolBar1->getWidget( 2 )->setSizePolicy( QSizePolicy::Ignored, QSizePolicy::Ignored );
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// setup 2-LOWER toolbar
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m_toolBar2->setIconSize( 16 );
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m_toolBar2->setMovingEnabled( false );
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// - add Page button
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m_toolBar2->insertButton( "txt", 1, SIGNAL( toggled( bool ) ),
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this, SLOT( slotPageEnabled( bool ) ), true, i18n( "Group by Page" ) );
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m_toolBar2->setToggle( 1 );
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m_toolBar2->setButton( 1, Settings::groupByPage() );
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// - add Author button
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m_toolBar2->insertButton( "personal", 2, SIGNAL( toggled( bool ) ),
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this, SLOT( slotAuthorEnabled( bool ) ), true, i18n( "Group by Author" ) );
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m_toolBar2->setToggle( 2 );
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m_toolBar2->setButton( 2, Settings::groupByAuthor() );
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// - add separator
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m_toolBar2->insertLineSeparator();
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// - add Current Page Only button
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m_toolBar2->insertButton( "1downarrow", 3, SIGNAL( toggled( bool ) ),
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this, SLOT( slotCurrentPageOnly( bool ) ), true, i18n( "Show reviews for current page only" ) );
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m_toolBar2->setToggle( 3 );
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m_toolBar2->setButton( 3, Settings::currentPageOnly() );
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// customize listview appearance
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m_listView->addColumn( i18n("Annotation") );
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m_listView->header()->hide();
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m_listView->setTreeStepSize( 16 );
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m_listView->setResizeMode( KListView::AllColumns );
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}
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//BEGIN DocumentObserver Notifies -> requestListViewUpdate
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void Reviews::notifySetup( const QValueVector< KPDFPage * > & pages, bool documentChanged )
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{
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// grab the page array when document changes
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if ( documentChanged )
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{
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m_currentPage = -1;
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m_pages = pages;
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// request an update to the listview
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m_listView->clear();
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requestListViewUpdate( 1000 );
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}
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}
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void Reviews::notifyViewportChanged( bool /*smoothMove*/ )
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{
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// sync current page and update listview on change if filtering-on-page
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int page = m_document->currentPage();
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if ( page != m_currentPage )
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{
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m_currentPage = page;
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if ( Settings::currentPageOnly() )
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requestListViewUpdate();
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}
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}
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void Reviews::notifyPageChanged( int pageNumber, int changedFlags )
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{
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// only check if there are changes to annotations
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if ( changedFlags & DocumentObserver::Annotations )
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{
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// if filtering-on-page and the page is not the active one, return
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if ( Settings::currentPageOnly() && pageNumber != m_currentPage )
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return;
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// request an update to the listview
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// TODO selective update on modified page only
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// nice trick: listview is cleared but screen not updated. zero flicker.
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m_listView->setUpdatesEnabled( false );
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m_listView->clear();
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m_listView->setUpdatesEnabled( true );
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requestListViewUpdate();
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}
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}
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//END DocumentObserver Notifies
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//BEGIN GUI Slots -> requestListViewUpdate
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void Reviews::slotPageEnabled( bool on )
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{
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// store toggle state in Settings and update the listview
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Settings::setGroupByPage( on );
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requestListViewUpdate();
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}
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void Reviews::slotAuthorEnabled( bool on )
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{
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// store toggle state in Settings and update the listview
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Settings::setGroupByAuthor( on );
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requestListViewUpdate();
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}
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void Reviews::slotCurrentPageOnly( bool on )
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{
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// store toggle state in Settings and update the listview
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Settings::setCurrentPageOnly( on );
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requestListViewUpdate();
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}
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//END GUI Slots
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class ReviewItem : public QListViewItem
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{
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public:
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ReviewItem( QListView * parent, const QString & text )
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: QListViewItem( parent, text ) {}
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void paintCell( QPainter * p, const QColorGroup & cg, int column, int width, int align )
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{
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QColorGroup myCg = cg;
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myCg.setColor( QColorGroup::Text, Qt::red );
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QListViewItem::paintCell( p, myCg, column, width, align );
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}
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void paintFocus( QPainter *, const QColorGroup &, const QRect & )
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{
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}
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};
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void Reviews::slotUpdateListView()
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{
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// reset listview to default
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m_listView->clear();
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m_listView->setRootIsDecorated( true );
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m_listView->setSelectionMode( QListView::Single );
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if ( Settings::currentPageOnly() )
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{
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// handle the 'filter on current page'
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if ( m_currentPage >= 0 && m_currentPage < (int)m_pages.count() )
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{
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const KPDFPage * page = m_pages[ m_currentPage ];
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if ( page->hasAnnotations() )
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addContents( page );
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}
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}
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else
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{
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// grab all annotations from pages
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QValueVector< KPDFPage * >::iterator it = m_pages.begin(), end = m_pages.end();
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for ( ; it != end; ++it )
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{
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const KPDFPage * page = *it;
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if ( page->hasAnnotations() )
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addContents( page );
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}
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}
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// display an info message if no annotations present
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if ( !m_listView->firstChild() )
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{
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m_listView->setRootIsDecorated( false );
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m_listView->setSelectionMode( QListView::NoSelection );
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new ReviewItem( m_listView, i18n("<No Items>") );
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}
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}
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void Reviews::addContents( const KPDFPage * page )
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{
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// if page-grouping -> create Page subnode
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QListViewItem * pageItem = 0;
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if ( Settings::groupByPage() )
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{
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QString pageText = i18n( "page %1" ).arg( page->number() + 1 );
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pageItem = new QListViewItem( m_listView, pageText );
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pageItem->setPixmap( 0, SmallIcon( "txt" ) );
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pageItem->setOpen( Settings::groupByAuthor() );
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}
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// iterate over all annotations in this page
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const QValueList< Annotation * > & annots = page->getAnnotations();
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QValueList< Annotation * >::const_iterator aIt = annots.begin(), aEnd = annots.end();
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for ( ; aIt != aEnd; ++aIt )
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{
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// get annotation
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Annotation * annotation = *aIt;
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// if page-grouping -> create Author subnode
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QListViewItem * authorItem = pageItem;
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if ( Settings::groupByAuthor() )
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{
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// get author's name
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QString author = annotation->author;
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if ( author.isEmpty() )
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author = i18n( "Unknown" );
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// find out a previous entry by author
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authorItem = pageItem ? pageItem->firstChild() : m_listView->firstChild();
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while ( authorItem && authorItem->text(0) != author )
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authorItem = authorItem->nextSibling();
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// if item not found, create one
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if ( !authorItem )
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{
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if ( pageItem )
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authorItem = new QListViewItem( pageItem, author );
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else
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authorItem = new QListViewItem( m_listView, author );
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QString icon = author != i18n( "Unknown" ) ? "personal" : "presence_away";
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authorItem->setPixmap( 0, SmallIcon( icon ) );
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}
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}
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// create Annotation subnode
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QListViewItem * singleItem = authorItem ?
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new QListViewItem( authorItem, annotation->contents ) :
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new QListViewItem( m_listView, annotation->contents );
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singleItem->setPixmap( 0, SmallIcon( "kpdf" ) );
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}
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}
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void Reviews::requestListViewUpdate( int delayms )
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{
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// only schedule an update if have any pages
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if ( m_pages.isEmpty() )
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return;
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// create timer if not present
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if ( !m_delayTimer )
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{
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m_delayTimer = new QTimer( this );
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connect( m_delayTimer, SIGNAL( timeout() ), this, SLOT( slotUpdateListView() ) );
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}
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// start timer if not already running
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if ( !m_delayTimer->isActive() )
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m_delayTimer->start( delayms, true );
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}
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#include "side_reviews.moc"
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