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315 lines
8.8 KiB
315 lines
8.8 KiB
/***************************************************************************
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usage labels dialog page
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-----------------------------------------------------------------------
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begin : Thu Mar 30 20:38:31 1999
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copyright : (C) 1999-2001 Ewald Arnold <kvoctrain@ewald-arnold.de>
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(C) 2001 The KDE-EDU team
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(C) 2005 Peter Hedlund <peter.hedlund@kdemail.net>
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-----------------------------------------------------------------------
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***************************************************************************/
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/***************************************************************************
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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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***************************************************************************/
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#include "UsageOptPage.h"
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#include <kapplication.h>
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#include <kinputdialog.h>
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#include <kmessagebox.h>
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#include <klocale.h>
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#include <tqgroupbox.h>
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#include <tqpushbutton.h>
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#include <QueryManager.h>
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#define USAGE_TAG ". "
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UsageOptPage::UsageOptPage
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(
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const vector<TQString> &usages,
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kvoctrainDoc *_doc,
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TQWidget *parent,
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const char *name
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)
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:
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UsageOptPageForm( parent, name ),
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doc(_doc)
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{
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connect( b_cleanup, TQT_SIGNAL(clicked()), TQT_SLOT(slotCleanup()) );
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connect( b_delete, TQT_SIGNAL(clicked()), TQT_SLOT(slotDeleteUsage()) );
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connect( b_modify, TQT_SIGNAL(clicked()), TQT_SLOT(slotModifyUsage()) );
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connect( b_new, TQT_SIGNAL(clicked()), TQT_SLOT(slotNewUsage()) );
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connect( usageList, TQT_SIGNAL(highlighted(int)), TQT_SLOT(slotUsageChosen(int)) );
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TQString str;
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for (int i = 0; i < (int) usages.size(); i++) {
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str.setNum (i+1);
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if (i <= 9)
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str.insert (0, " ");
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usageList->insertItem (str+USAGE_TAG+usages[i]);
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usageIndex.push_back(i);
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}
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act_usage = 0;
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if (usages.size() != 0)
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usageList->setCurrentItem (act_usage);
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b_modify->setEnabled(usageList->count() != 0);
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b_delete->setEnabled(usageList->count() != 0);
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usageList->setFocus();
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}
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void UsageOptPage::slotUsageChosen(int index)
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{
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act_usage = index;
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}
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void UsageOptPage::slotNewUsage()
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{
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bool ok;
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TQString getUsage = KInputDialog::getText(
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i18n( "usage (area) of an expression", "Usage Description" ), i18n( "Enter usage description:" ), TQString(), &ok );
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if( !ok )
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return;
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TQString str;
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int i = usageList->count()+1;
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str.setNum (i);
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if (i <= 9)
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str.insert (0, " ");
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usageList->insertItem (str+USAGE_TAG+getUsage.stripWhiteSpace());
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usageIndex.push_back(-(i-1));
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act_usage = usageList->count();
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usageList->setCurrentItem (i-1);
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b_modify->setEnabled(true);
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b_delete->setEnabled(true);
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}
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void UsageOptPage::slotModifyUsage()
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{
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if (usageList->count() != 0
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&& (int) usageList->count() > act_usage) {
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TQString str = usageList->text (act_usage);
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int pos = str.find (USAGE_TAG);
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str.remove (0, pos+strlen (USAGE_TAG));
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bool ok;
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TQString getUsage = KInputDialog::getText(
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i18n( "usage (area) of an expression", "Usage Description" ), i18n( "Enter usage description:" ), str, &ok );
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if( !ok )
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return;
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TQString str2;
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str2.setNum (act_usage+1);
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if (act_usage <= 9)
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str2.insert (0, " ");
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usageList->changeItem (str2+USAGE_TAG+getUsage.stripWhiteSpace(), act_usage);
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}
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}
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void UsageOptPage::updateListBox(int start)
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{
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TQString str, str2;
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for (int i = start; i < (int) usageList->count(); i++)
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{
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str = usageList->text (i);
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int pos = str.find (USAGE_TAG);
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str.remove (0, pos+strlen (USAGE_TAG));
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str2.setNum (i+1);
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if (i <= 9)
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str2.insert (0, " ");
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usageList->changeItem (str2+USAGE_TAG+str, i);
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}
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}
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void UsageOptPage::slotDeleteUsage()
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{
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int act = act_usage;
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if (usageList->count() != 0 && (int) usageList->count() > act)
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{
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TQString t;
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t.setNum(usageIndex[act_usage]+1);
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t.insert (0, UL_USER_USAGE);
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t += UL_USAGE_DIV;
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for (int ent = 0; ent < doc->numEntries(); ent++) {
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// FIXME: ProgressDlg here?
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kvoctrainExpr *exp = doc->getEntry(ent);
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for (int lang = 0; lang < doc->numLangs(); lang++) {
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TQString ul = exp->getUsageLabel(lang) + UL_USAGE_DIV;
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if (ul.find(t) >= 0 ) {
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KMessageBox::information(this,
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i18n("usage (area) of an expression",
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"This user-defined usage label could not be deleted "
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"because it is in use."),
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kapp->makeStdCaption(i18n("usage (area) of an expression",
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"Deleting Usage Label")));
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return;
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}
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}
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}
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usageList->removeItem (act);
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usageIndex.erase (usageIndex.begin() + act);
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if ((int) usageList->count() <= act)
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act = usageList->count()-1;
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else
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updateListBox(act); // update items after current
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if (act >= 0)
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usageList->setCurrentItem (act);
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}
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b_modify->setEnabled(usageList->count() != 0);
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b_delete->setEnabled(usageList->count() != 0);
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}
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void UsageOptPage::getUsageLabels (vector<TQString> &ret_usage,
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vector<int> &ret_Index)
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{
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TQString str; ret_usage.clear();
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for (int i = 0; i < (int) usageList->count(); i++) {
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str = usageList->text(i);
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int pos = str.find (USAGE_TAG);
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str.remove (0, pos+strlen (USAGE_TAG));
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ret_usage.push_back (str);
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}
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ret_Index = usageIndex;
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}
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void UsageOptPage::slotCleanup()
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{
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vector<bool> used_usage;
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for (int i = 0; i <= (int) usageList->count(); i++)
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used_usage.push_back(false);
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for (int col = 0; col < doc->numLangs(); col++)
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for (int i = 0; i < (int) doc->numEntries(); i++) {
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TQString t = doc->getEntry(i)->getUsageLabel(col);
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TQString n;
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while (t.left(strlen(UL_USER_USAGE)) == UL_USER_USAGE) {
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t.remove (0, 1);
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int next;
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if ((next = t.find(UL_USAGE_DIV)) >= 0) {
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n = t.left(next);
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t.remove (0, next+1);
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}
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else {
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n = t;
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t = "";
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}
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int idx = n.toInt();
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if ((int) used_usage.size() < idx)
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used_usage.resize(idx);
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if (idx != 0)
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used_usage[idx-1] = true ;
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}
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}
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for (int i = used_usage.size()-1; i >= 0; i--) {
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if (!used_usage[i]) {
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for (int u = 0; u < (int) usageIndex.size() ; u++) {
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if (usageIndex[u] == i || usageIndex[u] < 0) {
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act_usage = i;
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slotDeleteUsage();
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break;
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}
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}
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}
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}
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act_usage = 0;
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usageList->setCurrentItem (act_usage);
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}
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void UsageOptPage::cleanUnused(kvoctrainDoc *doc,
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const vector<int> &usageIndex,
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int old_usages)
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{
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vector<int> translate_index;
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vector<TQString> new_usageStr;
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/////////////////////////////////////////////////////
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// translate_index contains new index number for each
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// old index
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for (int i = 0; i <= TQMAX (old_usages, (int) usageIndex.size()); i++)
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translate_index.push_back(0);
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// now adjust lesson descriptions to new index
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for (int i = 0; i < (int) usageIndex.size(); i++) {
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if (usageIndex[i] >= 0)
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translate_index[usageIndex[i]+1] = i+1;
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}
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// only keep remaining usage indices
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// set usage index to 0 when not needed any more
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// and translate to new index
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for (int col = 0; col < doc->numLangs(); col++) {
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for (int i = 0; i < doc->numEntries(); i++) {
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TQString t = doc->getEntry(i)->getUsageLabel (col);
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if (!t.isEmpty() && t.left(strlen(UL_USER_USAGE)) == UL_USER_USAGE) {
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TQString tg;
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while (t.left(strlen(UL_USER_USAGE)) == UL_USER_USAGE) {
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TQString n;
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t.remove (0, 1);
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int next;
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if ((next = t.find(UL_USAGE_DIV)) >= 0) {
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n = t.left(next);
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t.remove (0, next+1);
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}
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else {
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n = t;
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t = "";
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}
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TQString newusage;
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int o = n.toInt();
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if (translate_index[o] != 0) {
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newusage.setNum (translate_index[o]);
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newusage.insert (0, UL_USER_USAGE);
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}
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if (tg.length() == 0)
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tg = newusage;
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else
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if (newusage.length() )
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tg += UL_USAGE_DIV + newusage;
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}
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if (tg.length() == 0)
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tg = t;
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else if (t.length() != 0)
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tg += UL_USAGE_DIV + t;
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doc->getEntry(i)->setUsageLabel (col, tg);
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}
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}
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}
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}
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#include "UsageOptPage.moc"
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