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Diffstat (limited to 'src/loanview.cpp')
| -rw-r--r-- | src/loanview.cpp | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/src/loanview.cpp b/src/loanview.cpp new file mode 100644 index 0000000..875f267 --- /dev/null +++ b/src/loanview.cpp @@ -0,0 +1,234 @@ +/*************************************************************************** + 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 <qheader.h> + +using Tellico::LoanView; + +LoanView::LoanView(QWidget* parent_, const char* name_) : GUI::ListView(parent_, name_), m_notSortedYet(true) { + addColumn(i18n("Borrower")); + header()->setStretchEnabled(true, 0); + setResizeMode(QListView::NoColumn); + setRootIsDecorated(true); + setShowSortIndicator(true); + setTreeStepSize(15); + setFullWidth(true); + + connect(this, SIGNAL(contextMenuRequested(QListViewItem*, const QPoint&, int)), + SLOT(contextMenuRequested(QListViewItem*, const QPoint&, int))); + + connect(this, SIGNAL(expanded(QListViewItem*)), + SLOT(slotExpanded(QListViewItem*))); + + connect(this, SIGNAL(collapsed(QListViewItem*)), + SLOT(slotCollapsed(QListViewItem*))); +} + +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(QListViewItem* item_, const QPoint& point_, int) { + if(!item_) { + return; + } + + GUI::ListViewItem* item = static_cast<GUI::ListViewItem*>(item_); + if(item->isLoanItem()) { + KPopupMenu menu(this); + menu.insertItem(SmallIconSet(QString::fromLatin1("2downarrow")), + i18n("Check-in"), this, SLOT(slotCheckIn())); + menu.insertItem(SmallIconSet(QString::fromLatin1("2downarrow")), + i18n("Modify Loan..."), this, 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(QString::fromLatin1("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(QListViewItem* item_) { + // only change icon for group items + if(static_cast<GUI::ListViewItem*>(item_)->isBorrowerItem()) { + static_cast<GUI::ListViewItem*>(item_)->clear(); + } +} + +void LoanView::slotExpanded(QListViewItem* 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(QString::fromLatin1("title")); + if(f) { + setComparison(0, ListViewComparison::create(f)); + } +} + +#include "loanview.moc" |