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tellico/src/loanview.cpp

235 lines
6.8 KiB

/***************************************************************************
copyright : (C) 2005-2007 by Robby Stephenson
email : robby@periapsis.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of version 2 of the GNU General Public License as *
* published by the Free Software Foundation; *
* *
***************************************************************************/
#include "loanview.h"
#include "loanitem.h"
#include "controller.h"
#include "borrower.h"
#include "entry.h"
#include "collection.h"
#include "tellico_kernel.h"
#include "tellico_debug.h"
#include "listviewcomparison.h"
#include <klocale.h>
#include <kpopupmenu.h>
#include <kiconloader.h>
#include <tqheader.h>
using Tellico::LoanView;
LoanView::LoanView(TQWidget* parent_, const char* name_) : GUI::ListView(parent_, name_), m_notSortedYet(true) {
addColumn(i18n("Borrower"));
header()->setStretchEnabled(true, 0);
setResizeMode(TQListView::NoColumn);
setRootIsDecorated(true);
setShowSortIndicator(true);
setTreeStepSize(15);
setFullWidth(true);
connect(this, TQT_SIGNAL(contextMenuRequested(TQListViewItem*, const TQPoint&, int)),
TQT_SLOT(contextMenuRequested(TQListViewItem*, const TQPoint&, int)));
connect(this, TQT_SIGNAL(expanded(TQListViewItem*)),
TQT_SLOT(slotExpanded(TQListViewItem*)));
connect(this, TQT_SIGNAL(collapsed(TQListViewItem*)),
TQT_SLOT(slotCollapsed(TQListViewItem*)));
}
bool LoanView::isSelectable(GUI::ListViewItem* item_) const {
if(!GUI::ListView::isSelectable(item_)) {
return false;
}
// because the popup menu has modify, only
// allow one loan item to get selected
if(item_->isLoanItem()) {
return selectedItems().isEmpty();
}
return true;
}
void LoanView::contextMenuRequested(TQListViewItem* item_, const TQPoint& point_, int) {
if(!item_) {
return;
}
GUI::ListViewItem* item = static_cast<GUI::ListViewItem*>(item_);
if(item->isLoanItem()) {
KPopupMenu menu(this);
menu.insertItem(SmallIconSet(TQString::tqfromLatin1("2downarrow")),
i18n("Check-in"), this, TQT_SLOT(slotCheckIn()));
menu.insertItem(SmallIconSet(TQString::tqfromLatin1("2downarrow")),
i18n("Modify Loan..."), this, TQT_SLOT(slotModifyLoan()));
menu.exec(point_);
}
}
// this gets called when header() is clicked, so cycle through
void LoanView::setSorting(int col_, bool asc_) {
if(asc_ && !m_notSortedYet) {
if(sortStyle() == ListView::SortByText) {
setSortStyle(ListView::SortByCount);
} else {
setSortStyle(ListView::SortByText);
}
}
if(sortStyle() == ListView::SortByText) {
setColumnText(0, i18n("Borrower"));
} else {
setColumnText(0, i18n("Borrower (Sort by Count)"));
}
m_notSortedYet = false;
ListView::setSorting(col_, asc_);
}
void LoanView::addCollection(Data::CollPtr coll_) {
Data::BorrowerVec borrowers = coll_->borrowers();
for(Data::BorrowerVec::Iterator it = borrowers.begin(); it != borrowers.end(); ++it) {
addBorrower(it);
}
Data::FieldPtr f = coll_->fieldByName(TQString::tqfromLatin1("title"));
if(f) {
setComparison(0, ListViewComparison::create(f));
}
}
void LoanView::addField(Data::CollPtr, Data::FieldPtr) {
resetComparisons();
}
void LoanView::modifyField(Data::CollPtr, Data::FieldPtr, Data::FieldPtr) {
resetComparisons();
}
void LoanView::removeField(Data::CollPtr, Data::FieldPtr) {
resetComparisons();
}
void LoanView::addBorrower(Data::BorrowerPtr borrower_) {
if(!borrower_ || borrower_->isEmpty()) {
return;
}
BorrowerItem* borrowerItem = new BorrowerItem(this, borrower_);
borrowerItem->setExpandable(!borrower_->loans().isEmpty());
m_itemDict.insert(borrower_->name(), borrowerItem);
}
void LoanView::modifyBorrower(Data::BorrowerPtr borrower_) {
if(!borrower_) {
return;
}
BorrowerItem* borrowerItem = m_itemDict[borrower_->name()];
if(!borrowerItem) {
myDebug() << "LoanView::modifyBorrower() - borrower was never added" << endl;
return;
}
if(borrower_->isEmpty()) {
m_itemDict.remove(borrower_->name());
delete borrowerItem;
return;
}
bool open = borrowerItem->isOpen();
borrowerItem->setOpen(false);
borrowerItem->setOpen(open);
}
void LoanView::slotCollapsed(TQListViewItem* item_) {
// only change icon for group items
if(static_cast<GUI::ListViewItem*>(item_)->isBorrowerItem()) {
static_cast<GUI::ListViewItem*>(item_)->clear();
}
}
void LoanView::slotExpanded(TQListViewItem* item_) {
// only change icon for group items
if(!static_cast<GUI::ListViewItem*>(item_)->isBorrowerItem()) {
kdWarning() << "GroupView::slotExpanded() - non entry group item - " << item_->text(0) << endl;
return;
}
setUpdatesEnabled(false);
BorrowerItem* item = static_cast<BorrowerItem*>(item_);
Data::LoanVec loans = item->borrower()->loans();
for(Data::LoanVec::Iterator it = loans.begin(); it != loans.end(); ++it) {
new LoanItem(item, it);
}
setUpdatesEnabled(true);
triggerUpdate();
}
void LoanView::slotCheckIn() {
GUI::ListViewItem* item = selectedItems().getFirst();
if(!item || !item->isLoanItem()) {
return;
}
Data::EntryVec entries;
// need a copy since we may be deleting
GUI::ListViewItemList list = selectedItems();
for(GUI::ListViewItemListIt it(list); it.current(); ++it) {
Data::EntryPtr entry = static_cast<LoanItem*>(it.current())->entry();
if(!entry) {
myDebug() << "LoanView::slotCheckIn() - no entry!" << endl;
continue;
}
entries.append(entry);
}
Controller::self()->slotCheckIn(entries);
Controller::self()->slotClearSelection(); // so the checkout menu item gets disabled
}
void LoanView::slotModifyLoan() {
GUI::ListViewItem* item = selectedItems().getFirst();
if(!item || !item->isLoanItem()) {
return;
}
Kernel::self()->modifyLoan(static_cast<LoanItem*>(item)->loan());
}
void LoanView::resetComparisons() {
// this is only allowed when the view is not empty, so we can grab a collection ptr
if(childCount() == 0) {
return;
}
Data::EntryVec entries = static_cast<BorrowerItem*>(firstChild())->entries();
if(entries.isEmpty()) {
return;
}
Data::EntryPtr entry = entries[0];
if(!entry) {
return;
}
Data::CollPtr coll = entry->collection();
if(!coll) {
return;
}
Data::FieldPtr f = coll->fieldByName(TQString::tqfromLatin1("title"));
if(f) {
setComparison(0, ListViewComparison::create(f));
}
}
#include "loanview.moc"