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<h2><a name="content"></a>akregator/src</h2>
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<h1>articlelistview.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> This file is part of Akregator.</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> Copyright (C) 2004 Stanislav Karchebny <Stanislav.Karchebny@kdemail.net></span>
<a name="l00005"></a>00005 <span class="comment"> 2005 Frank Osterfeld <frank.osterfeld at kdemail.net></span>
<a name="l00006"></a>00006 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00007"></a>00007 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00009"></a>00009 <span class="comment"> (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00014"></a>00014 <span class="comment"> GNU General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> along with this program; if not, write to the Free Software</span>
<a name="l00018"></a>00018 <span class="comment"> Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.</span>
<a name="l00019"></a>00019 <span class="comment"></span>
<a name="l00020"></a>00020 <span class="comment"> As a special exception, permission is given to link this program</span>
<a name="l00021"></a>00021 <span class="comment"> with any edition of Qt, and distribute the resulting executable,</span>
<a name="l00022"></a>00022 <span class="comment"> without including the source code for Qt in the source distribution.</span>
<a name="l00023"></a>00023 <span class="comment">*/</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include "akregatorconfig.h"</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "actionmanager.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "articlelistview.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "article.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "articlefilter.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "dragobjects.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "feed.h"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "treenode.h"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "treenodevisitor.h"</span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="preprocessor">#include <kstandarddirs.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <kglobal.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <kiconloader.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <klocale.h></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include <kcharsets.h></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include <kurl.h></span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="preprocessor">#include <qdatetime.h></span>
<a name="l00044"></a>00044 <span class="preprocessor">#include <qpixmap.h></span>
<a name="l00045"></a>00045 <span class="preprocessor">#include <qpopupmenu.h></span>
<a name="l00046"></a>00046 <span class="preprocessor">#include <qptrlist.h></span>
<a name="l00047"></a>00047 <span class="preprocessor">#include <qvaluelist.h></span>
<a name="l00048"></a>00048 <span class="preprocessor">#include <qwhatsthis.h></span>
<a name="l00049"></a>00049 <span class="preprocessor">#include <qheader.h></span>
<a name="l00050"></a>00050 <span class="preprocessor">#include <qdragobject.h></span>
<a name="l00051"></a>00051 <span class="preprocessor">#include <qsimplerichtext.h></span>
<a name="l00052"></a>00052 <span class="preprocessor">#include <qpainter.h></span>
<a name="l00053"></a>00053 <span class="preprocessor">#include <qapplication.h></span>
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="preprocessor">#include <ctime></span>
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keyword">namespace </span>Akregator {
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keyword">class </span>ArticleListView::ArticleListViewPrivate
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="keyword">public</span>:
<a name="l00062"></a>00062
<a name="l00063"></a>00063 ArticleListViewPrivate(ArticleListView* parent) : m_parent(parent) { }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keywordtype">void</span> ensureCurrentItemVisible()
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <span class="keywordflow">if</span> (m_parent->currentItem())
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 m_parent->center( m_parent->contentsX(), m_parent->itemPos(m_parent->currentItem()), 0, 9.0 );
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00073"></a>00073 ArticleListView* m_parent;
<a name="l00074"></a>00074
<a name="l00076"></a>00076 QMap<Article, ArticleItem*> articleMap;
<a name="l00077"></a>00077 TreeNode* node;
<a name="l00078"></a>00078 <a class="code" href="classAkregator_1_1Filters_1_1ArticleMatcher.html" title="a powerful matcher supporting multiple criterions, which can be combined via logical...">Akregator::Filters::ArticleMatcher</a> textFilter;
<a name="l00079"></a>00079 <a class="code" href="classAkregator_1_1Filters_1_1ArticleMatcher.html" title="a powerful matcher supporting multiple criterions, which can be combined via logical...">Akregator::Filters::ArticleMatcher</a> statusFilter;
<a name="l00080"></a>00080 <span class="keyword">enum</span> ColumnMode { groupMode, feedMode };
<a name="l00081"></a>00081 ColumnMode columnMode;
<a name="l00082"></a>00082 <span class="keywordtype">int</span> feedWidth;
<a name="l00083"></a>00083 <span class="keywordtype">bool</span> noneSelected;
<a name="l00084"></a>00084
<a name="l00085"></a>00085 ColumnLayoutVisitor* columnLayoutVisitor;
<a name="l00086"></a>00086 };
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">class </span>ArticleListView::ColumnLayoutVisitor : <span class="keyword">public</span> TreeNodeVisitor
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 <span class="keyword">public</span>:
<a name="l00091"></a>00091 ColumnLayoutVisitor(ArticleListView* view) : m_view(view) {}
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> visitTagNode(TagNode* <span class="comment">/*node*/</span>)
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095 <span class="keywordflow">if</span> (m_view->d->columnMode == ArticleListViewPrivate::feedMode)
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 m_view->setColumnWidth(1, m_view->d->feedWidth);
<a name="l00098"></a>00098 m_view->d->columnMode = ArticleListViewPrivate::groupMode;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> visitFolder(Folder* <span class="comment">/*node*/</span>)
<a name="l00104"></a>00104 {
<a name="l00105"></a>00105 <span class="keywordflow">if</span> (m_view->d->columnMode == ArticleListViewPrivate::feedMode)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107 m_view->setColumnWidth(1, m_view->d->feedWidth);
<a name="l00108"></a>00108 m_view->d->columnMode = ArticleListViewPrivate::groupMode;
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> visitFeed(Feed* <span class="comment">/*node*/</span>)
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <span class="keywordflow">if</span> (m_view->d->columnMode == ArticleListViewPrivate::groupMode)
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 m_view->d->feedWidth = m_view->columnWidth(1);
<a name="l00118"></a>00118 m_view->hideColumn(1);
<a name="l00119"></a>00119 m_view->d->columnMode = ArticleListViewPrivate::feedMode;
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123 <span class="keyword">private</span>:
<a name="l00124"></a>00124
<a name="l00125"></a>00125 ArticleListView* m_view;
<a name="l00126"></a>00126
<a name="l00127"></a>00127 };
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keyword">class </span>ArticleListView::ArticleItem : <span class="keyword">public</span> KListViewItem
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 <span class="keyword">friend</span> <span class="keyword">class </span>ArticleListView;
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keyword">public</span>:
<a name="l00134"></a>00134 ArticleItem( QListView *parent, <span class="keyword">const</span> Article& a);
<a name="l00135"></a>00135 ~ArticleItem();
<a name="l00136"></a>00136
<a name="l00137"></a>00137 Article& article();
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="keywordtype">void</span> paintCell ( QPainter * p, <span class="keyword">const</span> QColorGroup & cg, <span class="keywordtype">int</span> column, <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> align );
<a name="l00140"></a>00140 <span class="keyword">virtual</span> <span class="keywordtype">int</span> compare(QListViewItem *i, <span class="keywordtype">int</span> col, <span class="keywordtype">bool</span> ascending) <span class="keyword">const</span>;
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordtype">void</span> updateItem(<span class="keyword">const</span> Article& article);
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keyword">virtual</span> ArticleItem* itemAbove() { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span>(KListViewItem::itemAbove()); }
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="keyword">virtual</span> ArticleItem* nextSibling() { <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span>(KListViewItem::nextSibling()); }
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keyword">private</span>:
<a name="l00149"></a>00149 Article m_article;
<a name="l00150"></a>00150 time_t m_pubDate;
<a name="l00151"></a>00151 <span class="keyword">static</span> QPixmap keepFlag() {
<a name="l00152"></a>00152 <span class="keyword">static</span> QPixmap s_keepFlag = QPixmap(locate(<span class="stringliteral">"data"</span>, <span class="stringliteral">"akregator/pics/akregator_flag.png"</span>));
<a name="l00153"></a>00153 <span class="keywordflow">return</span> s_keepFlag;
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155 };
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="comment">// FIXME: Remove resolveEntities for KDE 4.0, it's now done in the parser</span>
<a name="l00158"></a>00158 ArticleListView::ArticleItem::ArticleItem( QListView *parent, <span class="keyword">const</span> Article& a)
<a name="l00159"></a>00159 : KListViewItem( parent, KCharsets::resolveEntities(a.title()), a.feed()->title(), KGlobal::locale()->formatDateTime(a.pubDate(), true, false) ), m_article(a), m_pubDate(a.pubDate().toTime_t())
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 <span class="keywordflow">if</span> (a.keep())
<a name="l00162"></a>00162 setPixmap(0, keepFlag());
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 ArticleListView::ArticleItem::~ArticleItem()
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168
<a name="l00169"></a>00169 Article& ArticleListView::ArticleItem::article()
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 <span class="keywordflow">return</span> m_article;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="comment">// paint ze peons</span>
<a name="l00175"></a>00175 <span class="keywordtype">void</span> ArticleListView::ArticleItem::paintCell ( QPainter * p, <span class="keyword">const</span> QColorGroup & cg, <span class="keywordtype">int</span> column, <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> align )
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 <span class="keywordflow">if</span> (article().status() == Article::Read)
<a name="l00178"></a>00178 KListViewItem::paintCell( p, cg, column, width, align );
<a name="l00179"></a>00179 <span class="keywordflow">else</span>
<a name="l00180"></a>00180 {
<a name="l00181"></a>00181 <span class="comment">// if article status is unread or new, we change the color: FIXME: make colors configurable</span>
<a name="l00182"></a>00182 QColorGroup cg2(cg);
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (article().status() == Article::Unread)
<a name="l00185"></a>00185 cg2.setColor(QColorGroup::Text, Qt::blue);
<a name="l00186"></a>00186 <span class="keywordflow">else</span> <span class="comment">// New</span>
<a name="l00187"></a>00187 cg2.setColor(QColorGroup::Text, Qt::red);
<a name="l00188"></a>00188
<a name="l00189"></a>00189 KListViewItem::paintCell( p, cg2, column, width, align );
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="keywordtype">void</span> ArticleListView::ArticleItem::updateItem(<span class="keyword">const</span> Article& article)
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 m_article = article;
<a name="l00197"></a>00197 setPixmap(0, m_article.keep() ? keepFlag() : QPixmap());
<a name="l00198"></a>00198 setText(0, KCharsets::resolveEntities(m_article.title()));
<a name="l00199"></a>00199 setText(1, m_article.feed()->title());
<a name="l00200"></a>00200 setText(2, KGlobal::locale()->formatDateTime(m_article.pubDate(), <span class="keyword">true</span>, <span class="keyword">false</span>));
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="keywordtype">int</span> ArticleListView::ArticleItem::compare(QListViewItem *i, <span class="keywordtype">int</span> col, <span class="keywordtype">bool</span> ascending)<span class="keyword"> const </span>{
<a name="l00204"></a>00204 <span class="keywordflow">if</span> (col == 2)
<a name="l00205"></a>00205 {
<a name="l00206"></a>00206 ArticleItem* item = <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span>(i);
<a name="l00207"></a>00207 <span class="keywordflow">if</span> (m_pubDate == item->m_pubDate)
<a name="l00208"></a>00208 <span class="keywordflow">return</span> 0;
<a name="l00209"></a>00209 <span class="keywordflow">return</span> (m_pubDate > item->m_pubDate) ? 1 : -1;
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211 <span class="keywordflow">return</span> KListViewItem::compare(i, col, ascending);
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213
<a name="l00214"></a>00214 <span class="comment">/* ==================================================================================== */</span>
<a name="l00215"></a>00215
<a name="l00216"></a>00216 ArticleListView::ArticleListView(QWidget *parent, <span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00217"></a>00217 : KListView(parent, name)
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 d = <span class="keyword">new</span> ArticleListViewPrivate(<span class="keyword">this</span>);
<a name="l00220"></a>00220 d->noneSelected = <span class="keyword">true</span>;
<a name="l00221"></a>00221 d->node = 0;
<a name="l00222"></a>00222 d->columnMode = ArticleListViewPrivate::feedMode;
<a name="l00223"></a>00223
<a name="l00224"></a>00224 d->columnLayoutVisitor = <span class="keyword">new</span> ColumnLayoutVisitor(<span class="keyword">this</span>);
<a name="l00225"></a>00225 setMinimumSize(250, 150);
<a name="l00226"></a>00226 addColumn(i18n(<span class="stringliteral">"Article"</span>));
<a name="l00227"></a>00227 addColumn(i18n(<span class="stringliteral">"Feed"</span>));
<a name="l00228"></a>00228 addColumn(i18n(<span class="stringliteral">"Date"</span>));
<a name="l00229"></a>00229 setSelectionMode(QListView::Extended);
<a name="l00230"></a>00230 setColumnWidthMode(2, QListView::Maximum);
<a name="l00231"></a>00231 setColumnWidthMode(1, QListView::Manual);
<a name="l00232"></a>00232 setColumnWidthMode(0, QListView::Manual);
<a name="l00233"></a>00233 setRootIsDecorated(<span class="keyword">false</span>);
<a name="l00234"></a>00234 setItemsRenameable(<span class="keyword">false</span>);
<a name="l00235"></a>00235 setItemsMovable(<span class="keyword">false</span>);
<a name="l00236"></a>00236 setAllColumnsShowFocus(<span class="keyword">true</span>);
<a name="l00237"></a>00237 setDragEnabled(<span class="keyword">true</span>); <span class="comment">// FIXME before we implement dragging between archived feeds??</span>
<a name="l00238"></a>00238 setAcceptDrops(<span class="keyword">false</span>); <span class="comment">// FIXME before we implement dragging between archived feeds??</span>
<a name="l00239"></a>00239 setFullWidth(<span class="keyword">false</span>);
<a name="l00240"></a>00240
<a name="l00241"></a>00241 setShowSortIndicator(<span class="keyword">true</span>);
<a name="l00242"></a>00242 setDragAutoScroll(<span class="keyword">true</span>);
<a name="l00243"></a>00243 setDropHighlighter(<span class="keyword">false</span>);
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <span class="keywordtype">int</span> c = Settings::sortColumn();
<a name="l00246"></a>00246 setSorting((c >= 0 && c <= 2) ? c : 2, Settings::sortAscending());
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="keywordtype">int</span> w;
<a name="l00249"></a>00249 w = Settings::titleWidth();
<a name="l00250"></a>00250 <span class="keywordflow">if</span> (w > 0) {
<a name="l00251"></a>00251 setColumnWidth(0, w);
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253
<a name="l00254"></a>00254 w = Settings::feedWidth();
<a name="l00255"></a>00255 <span class="keywordflow">if</span> (w > 0) {
<a name="l00256"></a>00256 setColumnWidth(1, w);
<a name="l00257"></a>00257 }
<a name="l00258"></a>00258
<a name="l00259"></a>00259 w = Settings::dateWidth();
<a name="l00260"></a>00260 <span class="keywordflow">if</span> (w > 0) {
<a name="l00261"></a>00261 setColumnWidth(2, w);
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a>00264 d->feedWidth = columnWidth(1);
<a name="l00265"></a>00265 hideColumn(1);
<a name="l00266"></a>00266
<a name="l00267"></a>00267 header()->setStretchEnabled(<span class="keyword">true</span>, 0);
<a name="l00268"></a>00268
<a name="l00269"></a>00269 QWhatsThis::add(<span class="keyword">this</span>, i18n(<span class="stringliteral">"<h2>Article list</h2>"</span>
<a name="l00270"></a>00270 <span class="stringliteral">"Here you can browse articles from the currently selected feed. "</span>
<a name="l00271"></a>00271 <span class="stringliteral">"You can also manage articles, as marking them as persistent (\"Keep Article\") or delete them, using the right mouse button menu."</span>
<a name="l00272"></a>00272 <span class="stringliteral">"To view the web page of the article, you can open the article internally in a tab or in an external browser window."</span>));
<a name="l00273"></a>00273
<a name="l00274"></a>00274 connect(<span class="keyword">this</span>, SIGNAL(currentChanged(QListViewItem*)), <span class="keyword">this</span>, SLOT(slotCurrentChanged(QListViewItem* )));
<a name="l00275"></a>00275 connect(<span class="keyword">this</span>, SIGNAL(selectionChanged()), <span class="keyword">this</span>, SLOT(slotSelectionChanged()));
<a name="l00276"></a>00276 connect(<span class="keyword">this</span>, SIGNAL(doubleClicked(QListViewItem*, <span class="keyword">const</span> QPoint&, <span class="keywordtype">int</span>)), <span class="keyword">this</span>, SLOT(slotDoubleClicked(QListViewItem*, <span class="keyword">const</span> QPoint&, <span class="keywordtype">int</span>)) );
<a name="l00277"></a>00277 connect(<span class="keyword">this</span>, SIGNAL(contextMenu(KListView*, QListViewItem*, <span class="keyword">const</span> QPoint&)),
<a name="l00278"></a>00278 <span class="keyword">this</span>, SLOT(slotContextMenu(KListView*, QListViewItem*, <span class="keyword">const</span> QPoint&)));
<a name="l00279"></a>00279
<a name="l00280"></a>00280 connect(<span class="keyword">this</span>, SIGNAL(mouseButtonPressed(<span class="keywordtype">int</span>, QListViewItem *, <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span>)), <span class="keyword">this</span>, SLOT(slotMouseButtonPressed(<span class="keywordtype">int</span>, QListViewItem *, <span class="keyword">const</span> QPoint &, <span class="keywordtype">int</span>)));
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a>00283 Article ArticleListView::currentArticle()<span class="keyword"> const</span>
<a name="l00284"></a>00284 <span class="keyword"></span>{
<a name="l00285"></a>00285 ArticleItem* ci = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(KListView::currentItem());
<a name="l00286"></a>00286 <span class="keywordflow">return</span> (ci && !selectedItems().isEmpty()) ? ci->article() : Article();
<a name="l00287"></a>00287 }
<a name="l00288"></a>00288
<a name="l00289"></a>00289 <span class="keywordtype">void</span> ArticleListView::slotSetFilter(<span class="keyword">const</span> <a class="code" href="classAkregator_1_1Filters_1_1ArticleMatcher.html" title="a powerful matcher supporting multiple criterions, which can be combined via logical...">Akregator::Filters::ArticleMatcher</a>& textFilter, <span class="keyword">const</span> <a class="code" href="classAkregator_1_1Filters_1_1ArticleMatcher.html" title="a powerful matcher supporting multiple criterions, which can be combined via logical...">Akregator::Filters::ArticleMatcher</a>& statusFilter)
<a name="l00290"></a>00290 {
<a name="l00291"></a>00291 <span class="keywordflow">if</span> ( (textFilter != d->textFilter) || (statusFilter != d->statusFilter) )
<a name="l00292"></a>00292 {
<a name="l00293"></a>00293 d->textFilter = textFilter;
<a name="l00294"></a>00294 d->statusFilter = statusFilter;
<a name="l00295"></a>00295
<a name="l00296"></a>00296 applyFilters();
<a name="l00297"></a>00297 }
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299
<a name="l00300"></a>00300 <span class="keywordtype">void</span> ArticleListView::slotShowNode(TreeNode* node)
<a name="l00301"></a>00301 {
<a name="l00302"></a>00302 <span class="keywordflow">if</span> (node == d->node)
<a name="l00303"></a>00303 <span class="keywordflow">return</span>;
<a name="l00304"></a>00304
<a name="l00305"></a>00305 slotClear();
<a name="l00306"></a>00306
<a name="l00307"></a>00307 <span class="keywordflow">if</span> (!node)
<a name="l00308"></a>00308 <span class="keywordflow">return</span>;
<a name="l00309"></a>00309
<a name="l00310"></a>00310 d->node = node;
<a name="l00311"></a>00311 connectToNode(node);
<a name="l00312"></a>00312
<a name="l00313"></a>00313 d->columnLayoutVisitor->visit(node);
<a name="l00314"></a>00314
<a name="l00315"></a>00315 setUpdatesEnabled(<span class="keyword">false</span>);
<a name="l00316"></a>00316
<a name="l00317"></a>00317 QValueList<Article> articles = d->node->articles();
<a name="l00318"></a>00318
<a name="l00319"></a>00319 QValueList<Article>::ConstIterator end = articles.end();
<a name="l00320"></a>00320 QValueList<Article>::ConstIterator it = articles.begin();
<a name="l00321"></a>00321
<a name="l00322"></a>00322 <span class="keywordflow">for</span> (; it != end; ++it)
<a name="l00323"></a>00323 {
<a name="l00324"></a>00324 <span class="keywordflow">if</span> (!(*it).isNull() && !(*it).isDeleted())
<a name="l00325"></a>00325 {
<a name="l00326"></a>00326 ArticleItem* ali = <span class="keyword">new</span> ArticleItem(<span class="keyword">this</span>, *it);
<a name="l00327"></a>00327 d->articleMap.insert(*it, ali);
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330
<a name="l00331"></a>00331 sort();
<a name="l00332"></a>00332 applyFilters();
<a name="l00333"></a>00333 d->noneSelected = <span class="keyword">true</span>;
<a name="l00334"></a>00334 setUpdatesEnabled(<span class="keyword">true</span>);
<a name="l00335"></a>00335 triggerUpdate();
<a name="l00336"></a>00336 }
<a name="l00337"></a>00337
<a name="l00338"></a>00338 <span class="keywordtype">void</span> ArticleListView::slotClear()
<a name="l00339"></a>00339 {
<a name="l00340"></a>00340 <span class="keywordflow">if</span> (d->node)
<a name="l00341"></a>00341 disconnectFromNode(d->node);
<a name="l00342"></a>00342
<a name="l00343"></a>00343 d->node = 0;
<a name="l00344"></a>00344 d->articleMap.clear();
<a name="l00345"></a>00345 clear();
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347
<a name="l00348"></a>00348 <span class="keywordtype">void</span> ArticleListView::slotArticlesAdded(TreeNode* <span class="comment">/*node*/</span>, <span class="keyword">const</span> QValueList<Article>& list)
<a name="l00349"></a>00349 {
<a name="l00350"></a>00350 setUpdatesEnabled(<span class="keyword">false</span>);
<a name="l00351"></a>00351
<a name="l00352"></a>00352 <span class="keywordtype">bool</span> statusActive = !(d->statusFilter.matchesAll());
<a name="l00353"></a>00353 <span class="keywordtype">bool</span> textActive = !(d->textFilter.matchesAll());
<a name="l00354"></a>00354
<a name="l00355"></a>00355 <span class="keywordflow">for</span> (QValueList<Article>::ConstIterator it = list.begin(); it != list.end(); ++it)
<a name="l00356"></a>00356 {
<a name="l00357"></a>00357 <span class="keywordflow">if</span> (!d->articleMap.contains(*it))
<a name="l00358"></a>00358 {
<a name="l00359"></a>00359 <span class="keywordflow">if</span> (!(*it).isNull() && !(*it).isDeleted())
<a name="l00360"></a>00360 {
<a name="l00361"></a>00361 ArticleItem* ali = <span class="keyword">new</span> ArticleItem(<span class="keyword">this</span>, *it);
<a name="l00362"></a>00362 ali->setVisible( (!statusActive || d->statusFilter.matches( ali->article()))
<a name="l00363"></a>00363 && (!textActive || d->textFilter.matches( ali->article())) );
<a name="l00364"></a>00364 d->articleMap.insert(*it, ali);
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367 }
<a name="l00368"></a>00368 setUpdatesEnabled(<span class="keyword">true</span>);
<a name="l00369"></a>00369 triggerUpdate();
<a name="l00370"></a>00370 }
<a name="l00371"></a>00371
<a name="l00372"></a>00372 <span class="keywordtype">void</span> ArticleListView::slotArticlesUpdated(TreeNode* <span class="comment">/*node*/</span>, <span class="keyword">const</span> QValueList<Article>& list)
<a name="l00373"></a>00373 {
<a name="l00374"></a>00374 setUpdatesEnabled(<span class="keyword">false</span>);
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="comment">// if only one item is selected and this selected item</span>
<a name="l00377"></a>00377 <span class="comment">// is deleted, we will select the next item in the list</span>
<a name="l00378"></a>00378 <span class="keywordtype">bool</span> singleSelected = selectedArticles().count() == 1;
<a name="l00379"></a>00379
<a name="l00380"></a>00380 <span class="keywordtype">bool</span> statusActive = !(d->statusFilter.matchesAll());
<a name="l00381"></a>00381 <span class="keywordtype">bool</span> textActive = !(d->textFilter.matchesAll());
<a name="l00382"></a>00382
<a name="l00383"></a>00383 QListViewItem* next = 0; <span class="comment">// the item to select if a selected item is deleted</span>
<a name="l00384"></a>00384
<a name="l00385"></a>00385 <span class="keywordflow">for</span> (QValueList<Article>::ConstIterator it = list.begin(); it != list.end(); ++it)
<a name="l00386"></a>00386 {
<a name="l00387"></a>00387
<a name="l00388"></a>00388 <span class="keywordflow">if</span> (!(*it).isNull() && d->articleMap.contains(*it))
<a name="l00389"></a>00389 {
<a name="l00390"></a>00390 ArticleItem* ali = d->articleMap[*it];
<a name="l00391"></a>00391
<a name="l00392"></a>00392 <span class="keywordflow">if</span> (ali)
<a name="l00393"></a>00393 {
<a name="l00394"></a>00394 <span class="keywordflow">if</span> ((*it).isDeleted()) <span class="comment">// if article was set to deleted, delete item</span>
<a name="l00395"></a>00395 {
<a name="l00396"></a>00396 <span class="keywordflow">if</span> (singleSelected && ali->isSelected())
<a name="l00397"></a>00397 {
<a name="l00398"></a>00398 <span class="keywordflow">if</span> (ali->itemBelow())
<a name="l00399"></a>00399 next = ali->itemBelow();
<a name="l00400"></a>00400 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ali->itemAbove())
<a name="l00401"></a>00401 next = ali->itemAbove();
<a name="l00402"></a>00402 }
<a name="l00403"></a>00403
<a name="l00404"></a>00404 d->articleMap.remove(*it);
<a name="l00405"></a>00405 <span class="keyword">delete</span> ali;
<a name="l00406"></a>00406 }
<a name="l00407"></a>00407 <span class="keywordflow">else</span>
<a name="l00408"></a>00408 {
<a name="l00409"></a>00409 ali->updateItem(*it);
<a name="l00410"></a>00410 <span class="comment">// if the updated article matches the filters after the update,</span>
<a name="l00411"></a>00411 <span class="comment">// make visible. If it matched them before but not after update,</span>
<a name="l00412"></a>00412 <span class="comment">// they should stay visible (to not confuse users)</span>
<a name="l00413"></a>00413 <span class="keywordflow">if</span> ((!statusActive || d->statusFilter.matches(ali->article()))
<a name="l00414"></a>00414 && (!textActive || d->textFilter.matches( ali->article())) )
<a name="l00415"></a>00415 ali->setVisible(<span class="keyword">true</span>);
<a name="l00416"></a>00416 }
<a name="l00417"></a>00417 } <span class="comment">// if ali</span>
<a name="l00418"></a>00418 }
<a name="l00419"></a>00419 }
<a name="l00420"></a>00420
<a name="l00421"></a>00421 <span class="comment">// if the only selected item was deleted, select</span>
<a name="l00422"></a>00422 <span class="comment">// an item next to it</span>
<a name="l00423"></a>00423 <span class="keywordflow">if</span> (singleSelected && next != 0)
<a name="l00424"></a>00424 {
<a name="l00425"></a>00425 setSelected(next, <span class="keyword">true</span>);
<a name="l00426"></a>00426 setCurrentItem(next);
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428 <span class="keywordflow">else</span>
<a name="l00429"></a>00429 {
<a name="l00430"></a>00430 d->noneSelected = <span class="keyword">true</span>;
<a name="l00431"></a>00431 }
<a name="l00432"></a>00432
<a name="l00433"></a>00433
<a name="l00434"></a>00434 setUpdatesEnabled(<span class="keyword">true</span>);
<a name="l00435"></a>00435 triggerUpdate();
<a name="l00436"></a>00436 }
<a name="l00437"></a>00437
<a name="l00438"></a>00438 <span class="keywordtype">void</span> ArticleListView::slotArticlesRemoved(TreeNode* <span class="comment">/*node*/</span>, <span class="keyword">const</span> QValueList<Article>& list)
<a name="l00439"></a>00439 {
<a name="l00440"></a>00440 <span class="comment">// if only one item is selected and this selected item</span>
<a name="l00441"></a>00441 <span class="comment">// is deleted, we will select the next item in the list</span>
<a name="l00442"></a>00442 <span class="keywordtype">bool</span> singleSelected = selectedArticles().count() == 1;
<a name="l00443"></a>00443
<a name="l00444"></a>00444 QListViewItem* next = 0; <span class="comment">// the item to select if a selected item is deleted</span>
<a name="l00445"></a>00445
<a name="l00446"></a>00446 setUpdatesEnabled(<span class="keyword">false</span>);
<a name="l00447"></a>00447
<a name="l00448"></a>00448 <span class="keywordflow">for</span> (QValueList<Article>::ConstIterator it = list.begin(); it != list.end(); ++it)
<a name="l00449"></a>00449 {
<a name="l00450"></a>00450 <span class="keywordflow">if</span> (d->articleMap.contains(*it))
<a name="l00451"></a>00451 {
<a name="l00452"></a>00452 ArticleItem* ali = d->articleMap[*it];
<a name="l00453"></a>00453 d->articleMap.remove(*it);
<a name="l00454"></a>00454
<a name="l00455"></a>00455 <span class="keywordflow">if</span> (singleSelected && ali->isSelected())
<a name="l00456"></a>00456 {
<a name="l00457"></a>00457 <span class="keywordflow">if</span> (ali->itemBelow())
<a name="l00458"></a>00458 next = ali->itemBelow();
<a name="l00459"></a>00459 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ali->itemAbove())
<a name="l00460"></a>00460 next = ali->itemAbove();
<a name="l00461"></a>00461 }
<a name="l00462"></a>00462
<a name="l00463"></a>00463 <span class="keyword">delete</span> ali;
<a name="l00464"></a>00464 }
<a name="l00465"></a>00465 }
<a name="l00466"></a>00466
<a name="l00467"></a>00467 <span class="comment">// if the only selected item was deleted, select</span>
<a name="l00468"></a>00468 <span class="comment">// an item next to it</span>
<a name="l00469"></a>00469 <span class="keywordflow">if</span> (singleSelected && next != 0)
<a name="l00470"></a>00470 {
<a name="l00471"></a>00471 setSelected(next, <span class="keyword">true</span>);
<a name="l00472"></a>00472 setCurrentItem(next);
<a name="l00473"></a>00473 }
<a name="l00474"></a>00474 <span class="keywordflow">else</span>
<a name="l00475"></a>00475 {
<a name="l00476"></a>00476 d->noneSelected = <span class="keyword">true</span>;
<a name="l00477"></a>00477 }
<a name="l00478"></a>00478
<a name="l00479"></a>00479 setUpdatesEnabled(<span class="keyword">true</span>);
<a name="l00480"></a>00480 triggerUpdate();
<a name="l00481"></a>00481 }
<a name="l00482"></a>00482
<a name="l00483"></a>00483 <span class="keywordtype">void</span> ArticleListView::connectToNode(TreeNode* node)
<a name="l00484"></a>00484 {
<a name="l00485"></a>00485 connect(node, SIGNAL(signalDestroyed(TreeNode*)), <span class="keyword">this</span>, SLOT(slotClear()) );
<a name="l00486"></a>00486 connect(node, SIGNAL(signalArticlesAdded(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)), <span class="keyword">this</span>, SLOT(slotArticlesAdded(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)) );
<a name="l00487"></a>00487 connect(node, SIGNAL(signalArticlesUpdated(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)), <span class="keyword">this</span>, SLOT(slotArticlesUpdated(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)) );
<a name="l00488"></a>00488 connect(node, SIGNAL(signalArticlesRemoved(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)), <span class="keyword">this</span>, SLOT(slotArticlesRemoved(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)) );
<a name="l00489"></a>00489 }
<a name="l00490"></a>00490
<a name="l00491"></a>00491 <span class="keywordtype">void</span> ArticleListView::disconnectFromNode(TreeNode* node)
<a name="l00492"></a>00492 {
<a name="l00493"></a>00493 disconnect(node, SIGNAL(signalDestroyed(TreeNode*)), <span class="keyword">this</span>, SLOT(slotClear()) );
<a name="l00494"></a>00494 disconnect(node, SIGNAL(signalArticlesAdded(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)), <span class="keyword">this</span>, SLOT(slotArticlesAdded(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)) );
<a name="l00495"></a>00495 disconnect(node, SIGNAL(signalArticlesUpdated(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)), <span class="keyword">this</span>, SLOT(slotArticlesUpdated(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)) );
<a name="l00496"></a>00496 disconnect(node, SIGNAL(signalArticlesRemoved(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)), <span class="keyword">this</span>, SLOT(slotArticlesRemoved(TreeNode*, <span class="keyword">const</span> QValueList<Article>&)) );
<a name="l00497"></a>00497 }
<a name="l00498"></a>00498
<a name="l00499"></a>00499 <span class="keywordtype">void</span> ArticleListView::applyFilters()
<a name="l00500"></a>00500 {
<a name="l00501"></a>00501 <span class="keywordtype">bool</span> statusActive = !(d->statusFilter.matchesAll());
<a name="l00502"></a>00502 <span class="keywordtype">bool</span> textActive = !(d->textFilter.matchesAll());
<a name="l00503"></a>00503
<a name="l00504"></a>00504 ArticleItem* ali = 0;
<a name="l00505"></a>00505
<a name="l00506"></a>00506 <span class="keywordflow">if</span> (!statusActive && !textActive)
<a name="l00507"></a>00507 {
<a name="l00508"></a>00508 <span class="keywordflow">for</span> (QListViewItemIterator it(<span class="keyword">this</span>); it.current(); ++it)
<a name="l00509"></a>00509 {
<a name="l00510"></a>00510 (<span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span> (it.current()))->setVisible(<span class="keyword">true</span>);
<a name="l00511"></a>00511 }
<a name="l00512"></a>00512 }
<a name="l00513"></a>00513 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (statusActive && !textActive)
<a name="l00514"></a>00514 {
<a name="l00515"></a>00515 <span class="keywordflow">for</span> (QListViewItemIterator it(<span class="keyword">this</span>); it.current(); ++it)
<a name="l00516"></a>00516 {
<a name="l00517"></a>00517 ali = <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span> (it.current());
<a name="l00518"></a>00518 ali->setVisible( d->statusFilter.matches( ali->article()) );
<a name="l00519"></a>00519 }
<a name="l00520"></a>00520 }
<a name="l00521"></a>00521 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!statusActive && textActive)
<a name="l00522"></a>00522 {
<a name="l00523"></a>00523 <span class="keywordflow">for</span> (QListViewItemIterator it(<span class="keyword">this</span>); it.current(); ++it)
<a name="l00524"></a>00524 {
<a name="l00525"></a>00525 ali = <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span> (it.current());
<a name="l00526"></a>00526 ali->setVisible( d->textFilter.matches( ali->article()) );
<a name="l00527"></a>00527 }
<a name="l00528"></a>00528 }
<a name="l00529"></a>00529 <span class="keywordflow">else</span> <span class="comment">// both true</span>
<a name="l00530"></a>00530 {
<a name="l00531"></a>00531 <span class="keywordflow">for</span> (QListViewItemIterator it(<span class="keyword">this</span>); it.current(); ++it)
<a name="l00532"></a>00532 {
<a name="l00533"></a>00533 ali = <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span> (it.current());
<a name="l00534"></a>00534 ali->setVisible( d->statusFilter.matches( ali->article())
<a name="l00535"></a>00535 && d->textFilter.matches( ali->article()) );
<a name="l00536"></a>00536 }
<a name="l00537"></a>00537 }
<a name="l00538"></a>00538
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540
<a name="l00541"></a>00541 <span class="keywordtype">int</span> ArticleListView::visibleArticles()
<a name="l00542"></a>00542 {
<a name="l00543"></a>00543 <span class="keywordtype">int</span> visible = 0;
<a name="l00544"></a>00544 ArticleItem* ali = 0;
<a name="l00545"></a>00545 <span class="keywordflow">for</span> (QListViewItemIterator it(<span class="keyword">this</span>); it.current(); ++it) {
<a name="l00546"></a>00546 ali = <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span> (it.current());
<a name="l00547"></a>00547 visible += ali->isVisible() ? 1 : 0;
<a name="l00548"></a>00548 }
<a name="l00549"></a>00549 <span class="keywordflow">return</span> visible;
<a name="l00550"></a>00550 }
<a name="l00551"></a>00551
<a name="l00552"></a>00552 <span class="comment">// from amarok :)</span>
<a name="l00553"></a>00553 <span class="keywordtype">void</span> ArticleListView::paintInfoBox(<span class="keyword">const</span> QString &message)
<a name="l00554"></a>00554 {
<a name="l00555"></a>00555 QPainter p( viewport() );
<a name="l00556"></a>00556 QSimpleRichText t( message, QApplication::font() );
<a name="l00557"></a>00557
<a name="l00558"></a>00558 <span class="keywordflow">if</span> ( t.width()+30 >= viewport()->width() || t.height()+30 >= viewport()->height() )
<a name="l00559"></a>00559 <span class="comment">//too big, giving up</span>
<a name="l00560"></a>00560 <span class="keywordflow">return</span>;
<a name="l00561"></a>00561
<a name="l00562"></a>00562 <span class="keyword">const</span> uint w = t.width();
<a name="l00563"></a>00563 <span class="keyword">const</span> uint h = t.height();
<a name="l00564"></a>00564 <span class="keyword">const</span> uint x = (viewport()->width() - w - 30) / 2 ;
<a name="l00565"></a>00565 <span class="keyword">const</span> uint y = (viewport()->height() - h - 30) / 2 ;
<a name="l00566"></a>00566
<a name="l00567"></a>00567 p.setBrush( colorGroup().background() );
<a name="l00568"></a>00568 p.drawRoundRect( x, y, w+30, h+30, (8*200)/w, (8*200)/h );
<a name="l00569"></a>00569 t.draw( &p, x+15, y+15, QRect(), colorGroup() );
<a name="l00570"></a>00570 }
<a name="l00571"></a>00571
<a name="l00572"></a>00572 <span class="keywordtype">void</span> ArticleListView::viewportPaintEvent(QPaintEvent *e)
<a name="l00573"></a>00573 {
<a name="l00574"></a>00574
<a name="l00575"></a>00575 KListView::viewportPaintEvent(e);
<a name="l00576"></a>00576
<a name="l00577"></a>00577 <span class="keywordflow">if</span>(!e)
<a name="l00578"></a>00578 <span class="keywordflow">return</span>;
<a name="l00579"></a>00579
<a name="l00580"></a>00580 QString message = QString::null;
<a name="l00581"></a>00581
<a name="l00582"></a>00582 <span class="comment">//kdDebug() << "visible articles: " << visibleArticles() << endl;</span>
<a name="l00583"></a>00583
<a name="l00584"></a>00584 <span class="keywordflow">if</span>(childCount() != 0) <span class="comment">// article list is not empty</span>
<a name="l00585"></a>00585 {
<a name="l00586"></a>00586 <span class="keywordflow">if</span> (visibleArticles() == 0)
<a name="l00587"></a>00587 {
<a name="l00588"></a>00588 message = i18n(<span class="stringliteral">"<div align=center>"</span>
<a name="l00589"></a>00589 <span class="stringliteral">"<h3>No matches</h3>"</span>
<a name="l00590"></a>00590 <span class="stringliteral">"Filter does not match any articles, "</span>
<a name="l00591"></a>00591 <span class="stringliteral">"please change your criteria and try again."</span>
<a name="l00592"></a>00592 <span class="stringliteral">"</div>"</span>);
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594
<a name="l00595"></a>00595 }
<a name="l00596"></a>00596 <span class="keywordflow">else</span> <span class="comment">// article list is empty</span>
<a name="l00597"></a>00597 {
<a name="l00598"></a>00598 <span class="keywordflow">if</span> (!d->node) <span class="comment">// no node selected</span>
<a name="l00599"></a>00599 {
<a name="l00600"></a>00600 message = i18n(<span class="stringliteral">"<div align=center>"</span>
<a name="l00601"></a>00601 <span class="stringliteral">"<h3>No feed selected</h3>"</span>
<a name="l00602"></a>00602 <span class="stringliteral">"This area is article list. "</span>
<a name="l00603"></a>00603 <span class="stringliteral">"Select a feed from the feed list "</span>
<a name="l00604"></a>00604 <span class="stringliteral">"and you will see its articles here."</span>
<a name="l00605"></a>00605 <span class="stringliteral">"</div>"</span>);
<a name="l00606"></a>00606 }
<a name="l00607"></a>00607 <span class="keywordflow">else</span> <span class="comment">// empty node</span>
<a name="l00608"></a>00608 {
<a name="l00609"></a>00609 <span class="comment">// TODO: we could display message like "empty node, choose "fetch" to update it" </span>
<a name="l00610"></a>00610 }
<a name="l00611"></a>00611 }
<a name="l00612"></a>00612
<a name="l00613"></a>00613 <span class="keywordflow">if</span> (!message.isNull())
<a name="l00614"></a>00614 paintInfoBox(message);
<a name="l00615"></a>00615 }
<a name="l00616"></a>00616
<a name="l00617"></a>00617 QDragObject *ArticleListView::dragObject()
<a name="l00618"></a>00618 {
<a name="l00619"></a>00619 QDragObject* d = 0;
<a name="l00620"></a>00620 QValueList<Article> articles = selectedArticles();
<a name="l00621"></a>00621 <span class="keywordflow">if</span> (!articles.isEmpty())
<a name="l00622"></a>00622 {
<a name="l00623"></a>00623 d = <span class="keyword">new</span> ArticleDrag(articles, <span class="keyword">this</span>);
<a name="l00624"></a>00624 }
<a name="l00625"></a>00625 <span class="keywordflow">return</span> d;
<a name="l00626"></a>00626 }
<a name="l00627"></a>00627
<a name="l00628"></a>00628 <span class="keywordtype">void</span> ArticleListView::slotPreviousArticle()
<a name="l00629"></a>00629 {
<a name="l00630"></a>00630 ArticleItem* ali = 0;
<a name="l00631"></a>00631 <span class="keywordflow">if</span> (!currentItem() || selectedItems().isEmpty())
<a name="l00632"></a>00632 ali = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(lastChild());
<a name="l00633"></a>00633 <span class="keywordflow">else</span>
<a name="l00634"></a>00634 ali = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(currentItem()->itemAbove());
<a name="l00635"></a>00635
<a name="l00636"></a>00636 <span class="keywordflow">if</span> (ali)
<a name="l00637"></a>00637 {
<a name="l00638"></a>00638 Article a = ali->article();
<a name="l00639"></a>00639 setCurrentItem(d->articleMap[a]);
<a name="l00640"></a>00640 clearSelection();
<a name="l00641"></a>00641 setSelected(d->articleMap[a], <span class="keyword">true</span>);
<a name="l00642"></a>00642 d->ensureCurrentItemVisible();
<a name="l00643"></a>00643 }
<a name="l00644"></a>00644 }
<a name="l00645"></a>00645
<a name="l00646"></a>00646 <span class="keywordtype">void</span> ArticleListView::slotNextArticle()
<a name="l00647"></a>00647 {
<a name="l00648"></a>00648 ArticleItem* ali = 0;
<a name="l00649"></a>00649 <span class="keywordflow">if</span> (!currentItem() || selectedItems().isEmpty())
<a name="l00650"></a>00650 ali = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(firstChild());
<a name="l00651"></a>00651 <span class="keywordflow">else</span>
<a name="l00652"></a>00652 ali = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(currentItem()->itemBelow());
<a name="l00653"></a>00653
<a name="l00654"></a>00654 <span class="keywordflow">if</span> (ali)
<a name="l00655"></a>00655 {
<a name="l00656"></a>00656 Article a = ali->article();
<a name="l00657"></a>00657 setCurrentItem(d->articleMap[a]);
<a name="l00658"></a>00658 clearSelection();
<a name="l00659"></a>00659 setSelected(d->articleMap[a], <span class="keyword">true</span>);
<a name="l00660"></a>00660 d->ensureCurrentItemVisible();
<a name="l00661"></a>00661 }
<a name="l00662"></a>00662 }
<a name="l00663"></a>00663
<a name="l00664"></a>00664 <span class="keywordtype">void</span> ArticleListView::slotNextUnreadArticle()
<a name="l00665"></a>00665 {
<a name="l00666"></a>00666 ArticleItem* start = 0L;
<a name="l00667"></a>00667 <span class="keywordflow">if</span> (!currentItem() || selectedItems().isEmpty())
<a name="l00668"></a>00668 start = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(firstChild());
<a name="l00669"></a>00669 <span class="keywordflow">else</span>
<a name="l00670"></a>00670 start = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(currentItem()->itemBelow() ? currentItem()->itemBelow() : firstChild());
<a name="l00671"></a>00671
<a name="l00672"></a>00672 ArticleItem* i = start;
<a name="l00673"></a>00673 ArticleItem* unread = 0L;
<a name="l00674"></a>00674
<a name="l00675"></a>00675 <span class="keywordflow">do</span>
<a name="l00676"></a>00676 {
<a name="l00677"></a>00677 <span class="keywordflow">if</span> (i == 0L)
<a name="l00678"></a>00678 i = <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span>(firstChild());
<a name="l00679"></a>00679 <span class="keywordflow">else</span>
<a name="l00680"></a>00680 {
<a name="l00681"></a>00681 <span class="keywordflow">if</span> (i->article().status() != Article::Read)
<a name="l00682"></a>00682 unread = i;
<a name="l00683"></a>00683 <span class="keywordflow">else</span>
<a name="l00684"></a>00684 i = <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span>(i && i->itemBelow() ? i->itemBelow() : firstChild());
<a name="l00685"></a>00685 }
<a name="l00686"></a>00686 }
<a name="l00687"></a>00687 <span class="keywordflow">while</span> (!unread && i != start);
<a name="l00688"></a>00688
<a name="l00689"></a>00689 <span class="keywordflow">if</span> (unread)
<a name="l00690"></a>00690 {
<a name="l00691"></a>00691 Article a = unread->article();
<a name="l00692"></a>00692 setCurrentItem(d->articleMap[a]);
<a name="l00693"></a>00693 clearSelection();
<a name="l00694"></a>00694 setSelected(d->articleMap[a], <span class="keyword">true</span>);
<a name="l00695"></a>00695 d->ensureCurrentItemVisible();
<a name="l00696"></a>00696 }
<a name="l00697"></a>00697 }
<a name="l00698"></a>00698
<a name="l00699"></a>00699 <span class="keywordtype">void</span> ArticleListView::slotPreviousUnreadArticle()
<a name="l00700"></a>00700 {
<a name="l00701"></a>00701 ArticleItem* start = 0L;
<a name="l00702"></a>00702 <span class="keywordflow">if</span> (!currentItem() || selectedItems().isEmpty())
<a name="l00703"></a>00703 start = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(lastChild());
<a name="l00704"></a>00704 <span class="keywordflow">else</span>
<a name="l00705"></a>00705 start = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(currentItem()->itemAbove() ? currentItem()->itemAbove() : firstChild());
<a name="l00706"></a>00706
<a name="l00707"></a>00707 ArticleItem* i = start;
<a name="l00708"></a>00708 ArticleItem* unread = 0L;
<a name="l00709"></a>00709
<a name="l00710"></a>00710 <span class="keywordflow">do</span>
<a name="l00711"></a>00711 {
<a name="l00712"></a>00712 <span class="keywordflow">if</span> (i == 0L)
<a name="l00713"></a>00713 i = <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span>(lastChild());
<a name="l00714"></a>00714 <span class="keywordflow">else</span>
<a name="l00715"></a>00715 {
<a name="l00716"></a>00716 <span class="keywordflow">if</span> (i->article().status() != Article::Read)
<a name="l00717"></a>00717 unread = i;
<a name="l00718"></a>00718 <span class="keywordflow">else</span>
<a name="l00719"></a>00719 i = <span class="keyword">static_cast<</span>ArticleItem*<span class="keyword">></span>(i->itemAbove() ? i->itemAbove() : lastChild());
<a name="l00720"></a>00720 }
<a name="l00721"></a>00721 }
<a name="l00722"></a>00722 <span class="keywordflow">while</span> ( !(unread != 0L || i == start) );
<a name="l00723"></a>00723
<a name="l00724"></a>00724 <span class="keywordflow">if</span> (unread)
<a name="l00725"></a>00725 {
<a name="l00726"></a>00726 Article a = unread->article();
<a name="l00727"></a>00727 setCurrentItem(d->articleMap[a]);
<a name="l00728"></a>00728 clearSelection();
<a name="l00729"></a>00729 setSelected(d->articleMap[a], <span class="keyword">true</span>);
<a name="l00730"></a>00730 d->ensureCurrentItemVisible();
<a name="l00731"></a>00731 }
<a name="l00732"></a>00732 }
<a name="l00733"></a>00733
<a name="l00734"></a>00734 <span class="keywordtype">void</span> ArticleListView::keyPressEvent(QKeyEvent* e)
<a name="l00735"></a>00735 {
<a name="l00736"></a>00736 e->ignore();
<a name="l00737"></a>00737 }
<a name="l00738"></a>00738
<a name="l00739"></a>00739 <span class="keywordtype">void</span> ArticleListView::slotSelectionChanged()
<a name="l00740"></a>00740 {
<a name="l00741"></a>00741 <span class="comment">// if there is only one article in the list, currentItem is set initially to </span>
<a name="l00742"></a>00742 <span class="comment">// that article item, although the user hasn't selected it. If the user selects</span>
<a name="l00743"></a>00743 <span class="comment">// the article, selection changes, but currentItem does not.</span>
<a name="l00744"></a>00744 <span class="comment">// executed. So we have to handle this case by observing selection changes.</span>
<a name="l00745"></a>00745
<a name="l00746"></a>00746 <span class="keywordflow">if</span> (d->noneSelected)
<a name="l00747"></a>00747 {
<a name="l00748"></a>00748 d->noneSelected = <span class="keyword">false</span>;
<a name="l00749"></a>00749 slotCurrentChanged(currentItem());
<a name="l00750"></a>00750 }
<a name="l00751"></a>00751 }
<a name="l00752"></a>00752
<a name="l00753"></a>00753 <span class="keywordtype">void</span> ArticleListView::slotCurrentChanged(QListViewItem* item)
<a name="l00754"></a>00754 {
<a name="l00755"></a>00755 ArticleItem* ai = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span> (item);
<a name="l00756"></a>00756 <span class="keywordflow">if</span> (ai)
<a name="l00757"></a>00757 emit signalArticleChosen( ai->article() );
<a name="l00758"></a>00758 <span class="keywordflow">else</span>
<a name="l00759"></a>00759 {
<a name="l00760"></a>00760 d->noneSelected = <span class="keyword">true</span>;
<a name="l00761"></a>00761 emit signalArticleChosen( Article() );
<a name="l00762"></a>00762 }
<a name="l00763"></a>00763 }
<a name="l00764"></a>00764
<a name="l00765"></a>00765
<a name="l00766"></a>00766 <span class="keywordtype">void</span> ArticleListView::slotDoubleClicked(QListViewItem* item, <span class="keyword">const</span> QPoint& p, <span class="keywordtype">int</span> i)
<a name="l00767"></a>00767 {
<a name="l00768"></a>00768 ArticleItem* ali = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(item);
<a name="l00769"></a>00769 <span class="keywordflow">if</span> (ali)
<a name="l00770"></a>00770 emit signalDoubleClicked(ali->article(), p, i);
<a name="l00771"></a>00771 }
<a name="l00772"></a>00772
<a name="l00773"></a>00773 <span class="keywordtype">void</span> ArticleListView::slotContextMenu(KListView* <span class="comment">/*list*/</span>, QListViewItem* <span class="comment">/*item*/</span>, <span class="keyword">const</span> QPoint& p)
<a name="l00774"></a>00774 {
<a name="l00775"></a>00775 QWidget* w = ActionManager::getInstance()->container(<span class="stringliteral">"article_popup"</span>);
<a name="l00776"></a>00776 QPopupMenu* popup = <span class="keyword">static_cast<</span>QPopupMenu *<span class="keyword">></span>(w);
<a name="l00777"></a>00777 <span class="keywordflow">if</span> (popup)
<a name="l00778"></a>00778 popup->exec(p);
<a name="l00779"></a>00779 }
<a name="l00780"></a>00780
<a name="l00781"></a>00781 <span class="keywordtype">void</span> ArticleListView::slotMouseButtonPressed(<span class="keywordtype">int</span> button, QListViewItem* item, <span class="keyword">const</span> QPoint& p, <span class="keywordtype">int</span> column)
<a name="l00782"></a>00782 {
<a name="l00783"></a>00783 ArticleItem* ali = <span class="keyword">dynamic_cast<</span>ArticleItem*<span class="keyword">></span>(item);
<a name="l00784"></a>00784 <span class="keywordflow">if</span> (ali)
<a name="l00785"></a>00785 emit signalMouseButtonPressed(button, ali->article(), p, column);
<a name="l00786"></a>00786 }
<a name="l00787"></a>00787
<a name="l00788"></a>00788 ArticleListView::~ArticleListView()
<a name="l00789"></a>00789 {
<a name="l00790"></a>00790 Settings::setTitleWidth(columnWidth(0));
<a name="l00791"></a>00791 Settings::setFeedWidth(columnWidth(1) > 0 ? columnWidth(1) : d->feedWidth);
<a name="l00792"></a>00792 Settings::setSortColumn(sortColumn());
<a name="l00793"></a>00793 Settings::setSortAscending(sortOrder() == Ascending);
<a name="l00794"></a>00794 Settings::writeConfig();
<a name="l00795"></a>00795 <span class="keyword">delete</span> d->columnLayoutVisitor;
<a name="l00796"></a>00796 <span class="keyword">delete</span> d;
<a name="l00797"></a>00797 d = 0;
<a name="l00798"></a>00798 }
<a name="l00799"></a>00799
<a name="l00800"></a>00800 QValueList<Article> ArticleListView::selectedArticles()<span class="keyword"> const</span>
<a name="l00801"></a>00801 <span class="keyword"></span>{
<a name="l00802"></a>00802 QValueList<Article> ret;
<a name="l00803"></a>00803 QPtrList<QListViewItem> items = selectedItems(<span class="keyword">false</span>);
<a name="l00804"></a>00804 <span class="keywordflow">for</span> (QListViewItem* i = items.first(); i; i = items.next() )
<a name="l00805"></a>00805 ret.append((static_cast<ArticleItem*>(i))->article());
<a name="l00806"></a>00806 <span class="keywordflow">return</span> ret;
<a name="l00807"></a>00807 }
<a name="l00808"></a>00808
<a name="l00809"></a>00809 } <span class="comment">// namespace Akregator</span>
<a name="l00810"></a>00810
<a name="l00811"></a>00811 <span class="preprocessor">#include "articlelistview.moc"</span>
<a name="l00812"></a>00812 <span class="comment">// vim: ts=4 sw=4 et</span>
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