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tdeaddons/ksig/siglistview.cpp

125 lines
3.7 KiB

/***************************************************************************
siglistview.cpp - description
-------------------
begin : Fri Jul 19 2002
copyright : (C) 2002 by Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "siglistview.h"
#include "siglistview.moc"
#include "siglistviewitem.h"
#include <kstandarddirs.h>
#include <klocale.h>
SigListView *SigListView::listView = 0;
////////////////////////////////////////////////////////////////////////////////
// public members
////////////////////////////////////////////////////////////////////////////////
SigListView *SigListView::instance(QWidget *parent, const char *name)
{
if(!listView)
listView = new SigListView(parent, name);
return(listView);
}
void SigListView::load()
{
if(file.open(IO_ReadOnly) && doc.setContent(&file)) {
// find the root element
QDomNodeList topLevelElements = doc.childNodes();
uint i = 0;
while(topLevelElements.item(i).toElement().tagName() != "SigML" && i < topLevelElements.count())
i++;
if(i < topLevelElements.count())
// if we didn't hit the end of the list
rootElement = topLevelElements.item(i).toElement();
else {
// if we didn't find the root element, create one
rootElement = doc.createElement("SigML");
doc.appendChild(rootElement);
}
QDomNodeList signatures = doc.elementsByTagName("signature");
for(i = 0; i < signatures.count(); i++)
(void) new SigListViewItem(this, doc, signatures.item(i).toElement());
file.close();
}
// if the document could not be opened or setData failed, create the document framework
else {
rootElement = doc.createElement("SigML");
doc.appendChild(rootElement);
}
}
void SigListView::save()
{
QListViewItemIterator it(this);
while(it.current()) {
SigListViewItem *item = dynamic_cast<SigListViewItem *>(it.current());
if(item)
item->render();
it++;
}
if(file.open(IO_WriteOnly)) {
QTextStream stream(&file);
stream << doc;
file.close();
}
}
SigListViewItem *SigListView::createItem()
{
QDomElement element = doc.createElement("signature");
rootElement.appendChild(element);
SigListViewItem *item = new SigListViewItem(this, doc, element);
return(item);
}
SigListViewItem *SigListView::currentItem()
{
return(dynamic_cast<SigListViewItem *>(KListView::currentItem()));
}
const SigListViewItem *SigListView::currentItem() const
{
return(dynamic_cast<SigListViewItem *>(KListView::currentItem()));
}
////////////////////////////////////////////////////////////////////////////////
// protected members
////////////////////////////////////////////////////////////////////////////////
SigListView::SigListView(QWidget *parent, const char *name) : KListView(parent, name)
{
addColumn(i18n("Signatures"));
QString dir = KGlobal::dirs()->saveLocation("appdata");
if(!dir.isNull())
file.setName(dir + "sigs.sigml");
load();
}
SigListView::~SigListView()
{
}