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// wlibrarytableview.cpp
// Created 10/19/2009 by RJ Ryan (rryan@mit.edu)
#include <QHeaderView>
#include <QPalette>
#include <QScrollBar>
#include "widget/wwidget.h"
#include "widget/wskincolor.h"
#include "widget/wlibrarytableview.h"
WLibraryTableView::WLibraryTableView(QWidget* parent,
ConfigObject<ConfigValue>* pConfig,
ConfigKey vScrollBarPosKey)
: QTableView(parent),
m_pConfig(pConfig),
m_vScrollBarPosKey(vScrollBarPosKey) {
// Setup properties for table
// Editing starts when clicking on an already selected item.
setEditTriggers(QAbstractItemView::SelectedClicked);
//Enable selection by rows and extended selection (ctrl/shift click)
setSelectionBehavior(QAbstractItemView::SelectRows);
setSelectionMode(QAbstractItemView::ExtendedSelection);
setWordWrap(false);
setShowGrid(false);
setCornerButtonEnabled(false);
setSortingEnabled(true);
// Used by delegates (e.g. StarDelegate) to tell when the mouse enters a
// cell.
setMouseTracking(true);
//Work around a Qt bug that lets you make your columns so wide you
//can't reach the divider to make them small again.
setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
verticalHeader()->hide();
int rowHeight = m_pConfig->getValueString(ConfigKey("[Library]","RowHeight"), "20").toInt();
verticalHeader()->setDefaultSectionSize(rowHeight);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
setAlternatingRowColors(true);
loadVScrollBarPosState();
connect(verticalScrollBar(), SIGNAL(valueChanged(int)),
this, SIGNAL(scrollValueChanged(int)));
setTabKeyNavigation(false);
}
WLibraryTableView::~WLibraryTableView() {
qDebug() << "~WLibraryTableView";
saveVScrollBarPosState();
}
void WLibraryTableView::loadVScrollBarPosState() {
// TODO(rryan) I'm not sure I understand the value in saving the v-scrollbar
// position across restarts of Mixxx. Now that we have different views for
// each mode, the views should just maintain their scrollbar position when
// you switch views. We should discuss this.
m_iSavedVScrollBarPos = m_pConfig->getValueString(m_vScrollBarPosKey).toInt();
}
void WLibraryTableView::restoreVScrollBarPos() {
//Restore the scrollbar's position (scroll to that spot)
//when the search has been cleared
verticalScrollBar()->setValue(m_iSavedVScrollBarPos);
}
void WLibraryTableView::saveVScrollBarPos() {
//Save the scrollbar's position so we can return here after
//a search is cleared.
m_iSavedVScrollBarPos = verticalScrollBar()->value();
}
void WLibraryTableView::saveVScrollBarPosState() {
//Save the vertical scrollbar position.
int scrollbarPosition = verticalScrollBar()->value();
m_pConfig->set(m_vScrollBarPosKey, ConfigValue(scrollbarPosition));
}
void WLibraryTableView::moveSelection(int delta) {
QAbstractItemModel* pModel = model();
if (pModel == NULL) {
return;
}
while(delta != 0) {
// TODO(rryan) what happens if there is nothing selected?
QModelIndex current = currentIndex();
if(delta > 0) {
// i is positive, so we want to move the highlight down
int row = current.row();
if (row + 1 < pModel->rowCount())
selectRow(row + 1);
delta--;
} else {
// i is negative, so we want to move the highlight up
int row = current.row();
if (row - 1 >= 0)
selectRow(row - 1);
delta++;
}
}
}
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