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/*
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kngroupbrowser.cpp
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KNode, the KDE newsreader
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Copyright (c) 1999-2001 the KNode authors.
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See file AUTHORS for details
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
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*/
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#include <tqlayout.h>
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#include <tqcheckbox.h>
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#include <tqtimer.h>
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#include <tqapplication.h>
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#include <kseparator.h>
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#include <kiconloader.h>
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#include <klocale.h>
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#include <kdebug.h>
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#include <klineedit.h>
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#include "knnetaccess.h"
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#include "knglobals.h"
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#include "knconfigmanager.h"
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#include "knnntpaccount.h"
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#include "kngroupbrowser.h"
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#include <tqlabel.h>
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#include <tqpushbutton.h>
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KNGroupBrowser::KNGroupBrowser(TQWidget *parent, const TQString &caption, KNNntpAccount *a,
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int buttons, bool newCBact, const TQString &user1, const TQString &user2) :
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KDialogBase( parent, 0L, true, caption, buttons | Help | Ok | Cancel, Ok, true, user1, user2 ),
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incrementalFilter(false), a_ccount(a)
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{
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refilterTimer = new TQTimer();
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allList=new TQSortedList<KNGroupInfo>;
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allList->setAutoDelete(true);
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matchList=new TQSortedList<KNGroupInfo>;
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matchList->setAutoDelete(false);
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//create Widgets
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page=new TQWidget(this);
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setMainWidget(page);
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filterEdit=new KLineEdit(page);
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TQLabel *l=new TQLabel(filterEdit,i18n("S&earch:"), page);
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noTreeCB=new TQCheckBox(i18n("Disable &tree view"), page);
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noTreeCB->setChecked(false);
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subCB=new TQCheckBox(i18n("&Subscribed only"), page);
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subCB->setChecked(false);
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newCB=new TQCheckBox(i18n("&New only"), page);
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if (!newCBact)
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newCB->hide();
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newCB->setChecked(false);
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KSeparator *sep=new KSeparator(KSeparator::HLine, page);
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TQFont fnt=font();
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fnt.setBold(true);
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leftLabel=new TQLabel(i18n("Loading groups..."), page);
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rightLabel=new TQLabel(page);
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leftLabel->setFont(fnt);
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rightLabel->setFont(fnt);
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pmGroup=knGlobals.configManager()->appearance()->icon(KNConfig::Appearance::group);
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pmNew=knGlobals.configManager()->appearance()->icon(KNConfig::Appearance::redBall);
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pmRight=BarIconSet( TQApplication::reverseLayout()? "back": "forward");
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pmLeft=BarIconSet( TQApplication::reverseLayout() ? "forward" : "back");
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arrowBtn1=new TQPushButton(page);
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arrowBtn1->setEnabled(false);
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arrowBtn2=new TQPushButton(page);
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arrowBtn2->setEnabled(false);
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arrowBtn1->setIconSet(pmRight);
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arrowBtn2->setIconSet(pmLeft);
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arrowBtn1->setFixedSize(35,30);
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arrowBtn2->setFixedSize(35,30);
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groupView=new TQListView(page);
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groupView->setRootIsDecorated(true);
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groupView->addColumn(i18n("Name"));
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groupView->addColumn(i18n("Description"));
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groupView->setTreeStepSize(15);
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connect(groupView, TQT_SIGNAL(doubleClicked(TQListViewItem*)),
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this, TQT_SLOT(slotItemDoubleClicked(TQListViewItem*)));
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//layout
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TQGridLayout *topL=new TQGridLayout(page,3,1,0,5);
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TQHBoxLayout *filterL=new TQHBoxLayout(10);
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TQVBoxLayout *arrL=new TQVBoxLayout(10);
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listL=new TQGridLayout(2, 3, 5);
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topL->addLayout(filterL, 0,0);
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topL->addWidget(sep,1,0);
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topL->addLayout(listL, 2,0);
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filterL->addWidget(l);
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filterL->addWidget(filterEdit, 1);
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filterL->addWidget(noTreeCB);
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filterL->addWidget(subCB);
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if (newCBact)
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filterL->addWidget(newCB);
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listL->addWidget(leftLabel, 0,0);
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listL->addWidget(rightLabel, 0,2);
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listL->addWidget(groupView, 1,0);
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listL->addLayout(arrL, 1,1);
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listL->setRowStretch(1,1);
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listL->setColStretch(0,5);
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listL->setColStretch(2,2);
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arrL->addWidget(arrowBtn1, AlignCenter);
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arrL->addWidget(arrowBtn2, AlignCenter);
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//connect
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connect(filterEdit, TQT_SIGNAL(textChanged(const TQString&)),
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TQT_SLOT(slotFilterTextChanged(const TQString&)));
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connect(groupView, TQT_SIGNAL(expanded(TQListViewItem*)),
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TQT_SLOT(slotItemExpand(TQListViewItem*)));
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connect(refilterTimer, TQT_SIGNAL(timeout()), TQT_SLOT(slotRefilter()));
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connect(noTreeCB, TQT_SIGNAL(clicked()), TQT_SLOT(slotTreeCBToggled()));
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connect(subCB, TQT_SIGNAL(clicked()), TQT_SLOT(slotSubCBToggled()));
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connect(newCB, TQT_SIGNAL(clicked()), TQT_SLOT(slotNewCBToggled()));
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enableButton(User1,false);
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enableButton(User2,false);
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filterEdit->setFocus();
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TQTimer::singleShot(2, this, TQT_SLOT(slotLoadList()));
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}
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KNGroupBrowser::~KNGroupBrowser()
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{
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knGlobals.netAccess()->stopJobsNntp(KNJobData::JTLoadGroups);
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knGlobals.netAccess()->stopJobsNntp(KNJobData::JTFetchGroups);
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knGlobals.netAccess()->stopJobsNntp(KNJobData::JTCheckNewGroups);
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delete matchList;
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delete allList;
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delete refilterTimer;
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}
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void KNGroupBrowser::slotReceiveList(KNGroupListData* d)
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{
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enableButton(User1,true);
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enableButton(User2,true);
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if (d) { // d==0 if something has gone wrong...
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delete allList;
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allList = d->extractList();
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incrementalFilter=false;
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slotRefilter();
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}
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}
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void KNGroupBrowser::changeItemState(const KNGroupInfo &gi, bool s)
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{
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TQListViewItemIterator it(groupView);
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for( ; it.current(); ++it)
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if (it.current()->isSelectable() && (static_cast<CheckItem*>(it.current())->info==gi))
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static_cast<CheckItem*>(it.current())->setChecked(s);
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}
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bool KNGroupBrowser::itemInListView(TQListView *view, const KNGroupInfo &gi)
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{
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if(!view) return false;
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TQListViewItemIterator it(view);
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for( ; it.current(); ++it)
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if(static_cast<GroupItem*>(it.current())->info==gi)
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return true;
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return false;
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}
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void KNGroupBrowser::createListItems(TQListViewItem *parent)
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{
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TQString prefix, tlgn, compare;
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TQListViewItem *it;
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CheckItem *cit;
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int colon;
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bool expandit=false;
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if(parent) {
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TQListViewItem *p=parent;
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while(p) {
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prefix.prepend(p->text(0));
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p=p->parent();
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}
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}
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for(KNGroupInfo *gn=matchList->first(); gn; gn=matchList->next()) {
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if(!prefix.isEmpty() && !gn->name.startsWith(prefix))
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if(!compare.isNull())
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break;
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else
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continue;
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compare=gn->name.mid(prefix.length());
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if(!expandit || !compare.startsWith(tlgn)) {
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if((colon=compare.find('.'))!=-1) {
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colon++;
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expandit=true;
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} else {
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colon=compare.length();
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expandit=false;
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}
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tlgn = compare.left(colon);
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if(expandit) {
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if(parent)
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it=new TQListViewItem(parent, tlgn);
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else
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it=new TQListViewItem(groupView, tlgn);
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it->setSelectable(false);
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it->setExpandable(true);
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}
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else {
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if(parent)
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cit=new CheckItem(parent, *gn, this);
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else
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cit=new CheckItem(groupView, *gn, this);
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updateItemState(cit);
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}
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}
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}
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}
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void KNGroupBrowser::removeListItem(TQListView *view, const KNGroupInfo &gi)
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{
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if(!view) return;
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TQListViewItemIterator it(view);
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for( ; it.current(); ++it)
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if(static_cast<GroupItem*>(it.current())->info==gi) {
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delete it.current();
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break;
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}
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}
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void KNGroupBrowser::slotLoadList()
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{
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emit(loadList(a_ccount));
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}
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void KNGroupBrowser::slotItemExpand(TQListViewItem *it)
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{
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if(!it) return;
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if(it->childCount()) {
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kdDebug(5003) << "KNGroupBrowser::slotItemExpand() : has already been expanded, returning" << endl;
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return;
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}
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createListItems(it);
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// center the item - smart scrolling
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delayedCenter = -1;
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int y = groupView->itemPos(it);
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int h = it->height();
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if ( (y+h*4+5) >= (groupView->contentsY()+groupView->visibleHeight()) )
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{
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groupView->ensureVisible(groupView->contentsX(), y+h/2, 0, h/2);
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delayedCenter = y+h/2;
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TQTimer::singleShot(300, this, TQT_SLOT(slotCenterDelayed()));
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}
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}
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void KNGroupBrowser::slotCenterDelayed()
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{
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if (delayedCenter != -1)
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groupView->ensureVisible(groupView->contentsX(), delayedCenter, 0, groupView->visibleHeight()/2);
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}
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void KNGroupBrowser::slotItemDoubleClicked(TQListViewItem *it)
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{
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if (it && (it->childCount()==0)) static_cast<CheckItem*>(it)->setOn(!static_cast<CheckItem*>(it)->isOn());
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}
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#define MIN_FOR_TREE 200
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void KNGroupBrowser::slotFilter(const TQString &txt)
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{
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TQString filtertxt = txt.lower();
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TQRegExp reg(filtertxt, false, false);
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CheckItem *cit=0;
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bool notCheckSub = !subCB->isChecked();
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bool notCheckNew = !newCB->isChecked();
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bool notCheckStr = (filtertxt.isEmpty());
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bool isRegexp = filtertxt.contains(TQRegExp("[^a-z0-9\\-\\+.]"));
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bool doIncrementalUpdate = (!isRegexp && incrementalFilter && (filtertxt.left(lastFilter.length())==lastFilter));
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if (doIncrementalUpdate) {
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TQSortedList<KNGroupInfo> *tempList = new TQSortedList<KNGroupInfo>();
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tempList->setAutoDelete(false);
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for(KNGroupInfo *g=matchList->first(); g; g=matchList->next()) {
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if ((notCheckSub||g->subscribed)&&
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(notCheckNew||g->newGroup)&&
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(notCheckStr||(g->name.find(filtertxt)!=-1)))
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tempList->append(g);
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}
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delete matchList;
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matchList=tempList;
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} else {
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matchList->clear();
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for(KNGroupInfo *g=allList->first(); g; g=allList->next()) {
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if ((notCheckSub||g->subscribed)&&
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(notCheckNew||g->newGroup)&&
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(notCheckStr||(isRegexp? (reg.search(g->name,0) != -1):(g->name.find(filtertxt)!=-1))))
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matchList->append(g);
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}
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}
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groupView->clear();
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if((matchList->count() < MIN_FOR_TREE) || noTreeCB->isChecked()) {
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for(KNGroupInfo *g=matchList->first(); g; g=matchList->next()) {
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cit=new CheckItem(groupView, *g, this);
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updateItemState(cit);
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}
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} else {
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createListItems();
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}
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lastFilter = filtertxt;
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incrementalFilter = !isRegexp;
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leftLabel->setText(i18n("Groups on %1: (%2 displayed)").arg(a_ccount->name()).arg(matchList->count()));
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arrowBtn1->setEnabled(false);
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arrowBtn2->setEnabled(false);
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}
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void KNGroupBrowser::slotTreeCBToggled()
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{
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incrementalFilter=false;
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slotRefilter();
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}
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void KNGroupBrowser::slotSubCBToggled()
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{
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incrementalFilter=subCB->isChecked();
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slotRefilter();
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}
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void KNGroupBrowser::slotNewCBToggled()
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{
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incrementalFilter=newCB->isChecked();
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slotRefilter();
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}
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void KNGroupBrowser::slotFilterTextChanged(const TQString &)
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{
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if (subCB->isChecked() || newCB->isChecked())
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slotRefilter();
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else
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refilterTimer->start(200,true);
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}
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void KNGroupBrowser::slotRefilter()
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{
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refilterTimer->stop();
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slotFilter(filterEdit->text());
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}
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//=======================================================================================
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KNGroupBrowser::CheckItem::CheckItem(TQListView *v, const KNGroupInfo &gi, KNGroupBrowser *b) :
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TQCheckListItem(v, gi.name, TQCheckListItem::CheckBox), info(gi), browser(b)
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|
{
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|
TQString des(gi.description);
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|
if (gi.status == KNGroup::moderated) {
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|
setText(0,gi.name+" (m)");
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if (!des.upper().contains(i18n("moderated").upper()))
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des+=i18n(" (moderated)");
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|
|
}
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|
setText(1,des);
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|
}
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|
KNGroupBrowser::CheckItem::CheckItem(TQListViewItem *i, const KNGroupInfo &gi, KNGroupBrowser *b) :
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|
|
TQCheckListItem(i, gi.name, TQCheckListItem::CheckBox), info(gi), browser(b)
|
|
|
|
{
|
|
|
|
TQString des(gi.description);
|
|
|
|
if (gi.status == KNGroup::moderated) {
|
|
|
|
setText(0,gi.name+" (m)");
|
|
|
|
if (!des.upper().contains(i18n("moderated").upper()))
|
|
|
|
des+=i18n(" (moderated)");
|
|
|
|
}
|
|
|
|
setText(1,des);
|
|
|
|
}
|
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|
|
KNGroupBrowser::CheckItem::~CheckItem()
|
|
|
|
{
|
|
|
|
}
|
|
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|
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|
|
|
|
|
|
void KNGroupBrowser::CheckItem::setChecked(bool c)
|
|
|
|
{
|
|
|
|
KNGroupBrowser *b=browser;
|
|
|
|
browser=0;
|
|
|
|
TQCheckListItem::setOn(c);
|
|
|
|
browser=b;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void KNGroupBrowser::CheckItem::stateChange(bool s)
|
|
|
|
{
|
|
|
|
if(browser) {
|
|
|
|
kdDebug(5003) << "KNGroupBrowser::CheckItem::stateChange()" << endl;
|
|
|
|
browser->itemChangedState(this, s);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//=======================================================================================
|
|
|
|
|
|
|
|
|
|
|
|
KNGroupBrowser::GroupItem::GroupItem(TQListView *v, const KNGroupInfo &gi)
|
|
|
|
: TQListViewItem(v, gi.name), info(gi)
|
|
|
|
{
|
|
|
|
if (gi.status == KNGroup::moderated)
|
|
|
|
setText(0,gi.name+" (m)");
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
KNGroupBrowser::GroupItem::GroupItem(TQListViewItem *i, const KNGroupInfo &gi)
|
|
|
|
: TQListViewItem(i, gi.name), info(gi)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
KNGroupBrowser::GroupItem::~GroupItem()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//-----------------------------------------
|
|
|
|
|
|
|
|
#include "kngroupbrowser.moc"
|