1131 lines
37 KiB
C++
1131 lines
37 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2014 Craig Drummond <craig.p.drummond@gmail.com>
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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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "itemview.h"
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#include "groupedview.h"
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#include "mainwindow.h"
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#include "covers.h"
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#include "proxymodel.h"
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#include "actionitemdelegate.h"
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#include "actionmodel.h"
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#include "localize.h"
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#include "icon.h"
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#include "config.h"
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#include "gtkstyle.h"
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#include "spinner.h"
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#include "messageoverlay.h"
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#include <QToolButton>
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#include <QStyle>
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#include <QStyleOptionViewItem>
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#include <QPainter>
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#include <QAction>
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#include <QTimer>
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#ifdef ENABLE_KDE_SUPPORT
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#include <KDE/KGlobalSettings>
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#endif
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static int listDecorationSize=22;
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static int treeDecorationSize=16;
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void ItemView::setup()
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{
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int height=QApplication::fontMetrics().height();
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if (height>22) {
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listDecorationSize=Icon::stdSize(height*1.4);
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treeDecorationSize=Icon::stdSize(height);
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} else {
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listDecorationSize=22;
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treeDecorationSize=16;
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}
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}
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ViewEventHandler::ViewEventHandler(ActionItemDelegate *d, QAbstractItemView *v)
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: QObject(v)
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, delegate(d)
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, view(v)
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{
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}
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// HACK time. For some reason, IconView is not always re-drawn when mouse leaves the view.
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// We sometimes get an item that is left in the mouse-over state. So, work-around this by
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// keeping track of when mouse is over listview.
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bool ViewEventHandler::eventFilter(QObject *obj, QEvent *event)
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{
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if (delegate) {
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if (QEvent::Enter==event->type()) {
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delegate->setUnderMouse(true);
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view->viewport()->update();
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} else if (QEvent::Leave==event->type()) {
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delegate->setUnderMouse(false);
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view->viewport()->update();
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}
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}
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return QObject::eventFilter(obj, event);
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}
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static const int constImageSize=22;
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static const int constDevImageSize=32;
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static inline double subTextAlpha(bool selected)
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{
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return selected ? 0.7 : 0.6;
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}
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class ListDelegate : public ActionItemDelegate
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{
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public:
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ListDelegate(ListView *v, QAbstractItemView *p)
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: ActionItemDelegate(p)
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, view(v)
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{
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}
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virtual ~ListDelegate()
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{
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}
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QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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Q_UNUSED(option)
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int imageSize = index.data(ItemView::Role_ImageSize).toInt();
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if (imageSize<0) {
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imageSize=constImageSize;
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}
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if (view && QListView::IconMode==view->viewMode()) {
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// Use same calculation as in LibraryPage/AlbumsPage...
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return QSize(imageSize+8, imageSize+(QApplication::fontMetrics().height()*2.5));
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} else {
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bool oneLine = index.data(ItemView::Role_SubText).toString().isEmpty();
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bool showCapacity = !index.data(ItemView::Role_CapacityText).toString().isEmpty();
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int textHeight = QApplication::fontMetrics().height()*(oneLine ? 1 : 2);
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if (showCapacity) {
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imageSize=constDevImageSize;
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}
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return QSize(qMax(64, imageSize) + (constBorder * 2),
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qMax(textHeight, imageSize) + (constBorder*2) + (int)((showCapacity ? textHeight*0.8 : 0)+0.5));
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}
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}
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void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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if (!index.isValid()) {
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return;
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}
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bool mouseOver=option.state&QStyle::State_MouseOver;
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bool gtk=mouseOver && GtkStyle::isActive();
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bool selected=option.state&QStyle::State_Selected;
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bool active=option.state&QStyle::State_Active;
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bool drawBgnd=true;
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QStyleOptionViewItemV4 opt(option);
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opt.showDecorationSelected=true;
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if (!underMouse) {
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if (mouseOver && !selected) {
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drawBgnd=false;
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}
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mouseOver=false;
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}
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if (drawBgnd) {
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if (mouseOver && gtk) {
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GtkStyle::drawSelection(opt, painter, selected ? 0.75 : 0.25);
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} else {
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QApplication::style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, 0L);
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}
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}
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QString capacityText=index.data(ItemView::Role_CapacityText).toString();
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bool showCapacity = !capacityText.isEmpty();
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QString text = index.data(ItemView::Role_MainText).toString();
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if (text.isEmpty()) {
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text=index.data(Qt::DisplayRole).toString();
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}
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QRect r(option.rect);
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QRect r2(r);
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QString childText = index.data(ItemView::Role_SubText).toString();
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QVariant image = index.data(ItemView::Role_Image);
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if (image.isNull()) {
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image = index.data(Qt::DecorationRole);
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}
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QPixmap pix = QVariant::Pixmap==image.type()
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? image.value<QPixmap>()
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: QVariant::Image==image.type()
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? QPixmap::fromImage(image.value<QImage>().scaled(listDecorationSize, listDecorationSize,
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Qt::KeepAspectRatio, Qt::SmoothTransformation))
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: image.value<QIcon>().pixmap(listDecorationSize, listDecorationSize);
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bool oneLine = childText.isEmpty();
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bool iconMode = view && QListView::IconMode==view->viewMode();
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ActionPos actionPos = iconMode ? AP_VTop : AP_HMiddle;
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bool rtl = Qt::RightToLeft==QApplication::layoutDirection();
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if (childText==QLatin1String("-")) {
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childText.clear();
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}
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painter->save();
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painter->setClipRect(r);
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QFont textFont(index.data(Qt::FontRole).value<QFont>());
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QFontMetrics textMetrics(textFont);
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int textHeight=textMetrics.height();
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if (showCapacity) {
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r.adjust(2, 0, 0, -(textHeight+4));
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}
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if (AP_VTop==actionPos) {
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r.adjust(constBorder, constBorder, -constBorder, -constBorder);
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r2=r;
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} else {
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r.adjust(constBorder, 0, -constBorder, 0);
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}
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if (!pix.isNull()) {
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int adjust=qMax(pix.width(), pix.height());
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if (AP_VTop==actionPos) {
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int xpos=r.x()+((r.width()-pix.width())/2);
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painter->drawPixmap(xpos, r.y(), pix.width(), pix.height(), pix);
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QColor color(option.palette.color(active ? QPalette::Active : QPalette::Inactive, QPalette::Text));
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double alphas[]={0.25, 0.125, 0.061};
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QRect border(xpos, r.y(), pix.width(), pix.height());
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QRect shadow(border);
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for (int i=0; i<3; ++i) {
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shadow.adjust(1, 1, 1, 1);
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color.setAlphaF(alphas[i]);
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painter->setPen(color);
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painter->drawLine(shadow.bottomLeft()+QPoint(i+1, 0),
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shadow.bottomRight()+QPoint(-((i*2)+2), 0));
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painter->drawLine(shadow.bottomRight()+QPoint(0, -((i*2)+2)),
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shadow.topRight()+QPoint(0, i+1));
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if (1==i) {
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painter->drawPoint(shadow.bottomRight()-QPoint(2, 1));
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painter->drawPoint(shadow.bottomRight()-QPoint(1, 2));
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painter->drawPoint(shadow.bottomLeft()-QPoint(1, 1));
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painter->drawPoint(shadow.topRight()-QPoint(1, 1));
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} else if (2==i) {
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painter->drawPoint(shadow.bottomRight()-QPoint(4, 1));
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painter->drawPoint(shadow.bottomRight()-QPoint(1, 4));
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painter->drawPoint(shadow.bottomLeft()-QPoint(0, 1));
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painter->drawPoint(shadow.topRight()-QPoint(1, 0));
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painter->drawPoint(shadow.bottomRight()-QPoint(2, 2));
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}
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}
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color.setAlphaF(0.4);
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painter->setPen(color);
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painter->drawRect(border.adjusted(0, 0, -1, -1));
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r.adjust(0, adjust+3, 0, -3);
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} else {
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if (rtl) {
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painter->drawPixmap(r.x()+r.width()-pix.width(), r.y()+((r.height()-pix.height())/2), pix.width(), pix.height(), pix);
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r.adjust(3, 0, -(3+adjust), 0);
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} else {
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painter->drawPixmap(r.x(), r.y()+((r.height()-pix.height())/2), pix.width(), pix.height(), pix);
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r.adjust(adjust+3, 0, -3, 0);
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}
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}
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}
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// if (!mouseOver) {
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// drawIcons(painter, AP_VTop==actionPos ? r2 : r, false, rtl, actionPos, index);
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// }
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QRect textRect;
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QColor color(option.palette.color(active ? QPalette::Active : QPalette::Inactive, selected ? QPalette::HighlightedText : QPalette::Text));
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QTextOption textOpt(AP_VTop==actionPos ? Qt::AlignHCenter|Qt::AlignVCenter : Qt::AlignVCenter);
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textOpt.setWrapMode(QTextOption::NoWrap);
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if (oneLine) {
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textRect=QRect(r.x(), r.y()+((r.height()-textHeight)/2), r.width(), textHeight);
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text = textMetrics.elidedText(text, Qt::ElideRight, textRect.width(), QPalette::WindowText);
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painter->setPen(color);
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painter->setFont(textFont);
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painter->drawText(textRect, text, textOpt);
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} else {
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QFont childFont(QApplication::font());
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childFont.setPointSizeF(childFont.pointSizeF()*0.8);
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QFontMetrics childMetrics(childFont);
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QRect childRect;
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int childHeight=childMetrics.height();
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int totalHeight=textHeight+childHeight;
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textRect=QRect(r.x(), r.y()+((r.height()-totalHeight)/2), r.width(), textHeight);
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childRect=QRect(r.x(), r.y()+textHeight+((r.height()-totalHeight)/2), r.width(), textHeight);
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text = textMetrics.elidedText(text, Qt::ElideRight, textRect.width(), QPalette::WindowText);
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painter->setPen(color);
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painter->setFont(textFont);
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painter->drawText(textRect, text, textOpt);
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if (!childText.isEmpty()) {
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childText = childMetrics.elidedText(childText, Qt::ElideRight, childRect.width(), QPalette::WindowText);
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color.setAlphaF(subTextAlpha(selected));
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painter->setPen(color);
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painter->setFont(childFont);
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painter->drawText(childRect, childText, textOpt);
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}
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}
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if (showCapacity) {
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QStyleOptionProgressBar opt;
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double capacity=index.data(ItemView::Role_Capacity).toDouble();
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if (capacity<0.0) {
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capacity=0.0;
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} else if (capacity>1.0) {
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capacity=1.0;
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}
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opt.minimum=0;
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opt.maximum=1000;
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opt.progress=capacity*1000;
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opt.textVisible=true;
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opt.text=capacityText;
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opt.rect=QRect(r2.x()+4, r2.bottom()-(textHeight+4), r2.width()-8, textHeight);
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opt.state=QStyle::State_Enabled;
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opt.palette=option.palette;
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opt.direction=QApplication::layoutDirection();
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opt.fontMetrics=textMetrics;
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QApplication::style()->drawControl(QStyle::CE_ProgressBar, &opt, painter, 0L);
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}
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if (drawBgnd && mouseOver) {
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drawIcons(painter, AP_VTop==actionPos ? r2 : r, true, rtl, actionPos, index);
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}
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if (!iconMode) {
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drawDivider(painter, option.rect, color);
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}
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painter->restore();
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}
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protected:
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ListView *view;
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};
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class TreeDelegate : public ListDelegate
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{
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public:
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TreeDelegate(QAbstractItemView *p)
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: ListDelegate(0, p)
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, simpleStyle(true)
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{
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}
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virtual ~TreeDelegate()
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{
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}
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QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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if (!simpleStyle || !index.data(ItemView::Role_CapacityText).toString().isEmpty()) {
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return ListDelegate::sizeHint(option, index);
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}
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QSize sz(QStyledItemDelegate::sizeHint(option, index));
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return QSize(sz.width(), sz.height()+2);
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}
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void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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if (!index.isValid()) {
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return;
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}
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if (!simpleStyle || !index.data(ItemView::Role_CapacityText).toString().isEmpty()) {
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ListDelegate::paint(painter, option, index);
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return;
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}
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QStringList text=index.data(Qt::DisplayRole).toString().split("\n");
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bool gtk=GtkStyle::isActive();
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bool rtl = Qt::RightToLeft==QApplication::layoutDirection();
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bool selected=option.state&QStyle::State_Selected;
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bool active=option.state&QStyle::State_Active;
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if (!gtk && 1==text.count()) {
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QStyledItemDelegate::paint(painter, option, index);
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} else {
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if ((option.state&QStyle::State_MouseOver) && gtk) {
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GtkStyle::drawSelection(option, painter, selected ? 0.75 : 0.25);
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} else {
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QApplication::style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter, 0L);
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}
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QRect r(option.rect);
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r.adjust(4, 0, -4, 0);
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QPixmap pix=index.data(Qt::DecorationRole).value<QIcon>().pixmap(treeDecorationSize, treeDecorationSize);
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if (gtk && pix.isNull()) {
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QVariant image = index.data(ItemView::Role_Image);
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if (!image.isNull()) {
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pix = QVariant::Pixmap==image.type() ? image.value<QPixmap>() : image.value<QIcon>().pixmap(listDecorationSize, listDecorationSize);
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}
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}
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if (!pix.isNull()) {
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int adjust=qMax(pix.width(), pix.height());
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if (rtl) {
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painter->drawPixmap(r.x()+r.width()-pix.width(), r.y()+((r.height()-pix.height())/2), pix.width(), pix.height(), pix);
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r.adjust(3, 0, -(3+adjust), 0);
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} else {
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painter->drawPixmap(r.x(), r.y()+((r.height()-pix.height())/2), pix.width(), pix.height(), pix);
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r.adjust(adjust+3, 0, -3, 0);
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}
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}
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if (text.count()>0) {
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QFont textFont(QApplication::font());
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QFontMetrics textMetrics(textFont);
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int textHeight=textMetrics.height();
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QColor color(option.palette.color(active ? QPalette::Active : QPalette::Inactive, selected ? QPalette::HighlightedText : QPalette::Text));
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QTextOption textOpt(Qt::AlignVCenter);
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QRect textRect(r.x(), r.y()+((r.height()-textHeight)/2), r.width(), textHeight);
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QString str=textMetrics.elidedText(text.at(0), Qt::ElideRight, textRect.width(), QPalette::WindowText);
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painter->save();
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painter->setPen(color);
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painter->setFont(textFont);
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painter->drawText(textRect, str, textOpt);
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if (text.count()>1) {
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int mainWidth=textMetrics.width(str);
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text.takeFirst();
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str=text.join(" - ");
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textRect=QRect(r.x()+(mainWidth+8), r.y()+((r.height()-textHeight)/2), r.width()-(mainWidth+8), textHeight);
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if (textRect.width()>4) {
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str = textMetrics.elidedText(str, Qt::ElideRight, textRect.width(), QPalette::WindowText);
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color.setAlphaF(subTextAlpha(selected));
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painter->setPen(color);
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painter->drawText(textRect, str, textOpt/*QTextOption(Qt::AlignVCenter|Qt::AlignRight)*/);
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}
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}
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painter->restore();
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}
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}
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if ((option.state & QStyle::State_MouseOver)) {
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drawIcons(painter, option.rect, true, rtl, AP_HMiddle, index);
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}
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drawDivider(painter, option.rect, option.palette.color(active ? QPalette::Active : QPalette::Inactive,
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selected ? QPalette::HighlightedText : QPalette::Text));
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}
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void setSimple(bool s) { simpleStyle=s; }
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bool simpleStyle;
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};
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ItemView::Mode ItemView::toMode(const QString &str)
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{
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for (int i=0; i<Mode_Count; ++i) {
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if (modeStr((Mode)i)==str) {
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return (Mode)i;
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}
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}
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// Older versions of Cantata saved mode as an integer!!!
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int i=str.toInt();
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switch (i) {
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default:
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case 0: return Mode_SimpleTree;
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case 1: return Mode_List;
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case 2: return Mode_IconTop;
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case 3: return Mode_GroupedTree;
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}
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}
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QString ItemView::modeStr(Mode m)
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{
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switch (m) {
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default:
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case Mode_SimpleTree: return QLatin1String("simpletree");
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case Mode_DetailedTree: return QLatin1String("detailedtree");
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case Mode_List: return QLatin1String("list");
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case Mode_IconTop: return QLatin1String("icontop");
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case Mode_GroupedTree: return QLatin1String("grouped");
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}
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}
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ItemView::ItemView(QWidget *p)
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: QWidget(p)
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, searchTimer(0)
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, itemModel(0)
|
|
, currentLevel(0)
|
|
, mode(Mode_SimpleTree)
|
|
, groupedView(0)
|
|
, spinner(0)
|
|
, msgOverlay(0)
|
|
, performedSearch(false)
|
|
, searchResetLevel(0)
|
|
{
|
|
setupUi(this);
|
|
backAction = new QAction(i18n("Go Back"), this);
|
|
backAction->setIcon(Icon("go-previous"));
|
|
backButton->setDefaultAction(backAction);
|
|
backAction->setShortcut(Qt::AltModifier+(Qt::LeftToRight==layoutDirection() ? Qt::Key_Left : Qt::Key_Right));
|
|
Action::updateToolTip(backAction);
|
|
homeAction = new QAction(i18n("Go Home"), this);
|
|
homeAction->setIcon(Icon("go-home"));
|
|
homeButton->setDefaultAction(homeAction);
|
|
homeAction->setShortcut(Qt::AltModifier+Qt::Key_Up);
|
|
Action::updateToolTip(homeAction);
|
|
listView->addAction(backAction);
|
|
listView->addAction(homeAction);
|
|
listView->addDefaultAction(backAction);
|
|
listView->addDefaultAction(homeAction);
|
|
QAction *sep=new QAction(this);
|
|
sep->setSeparator(true);
|
|
listView->addAction(sep);
|
|
Icon::init(backButton);
|
|
treeView->setPageDefaults();
|
|
// Some styles, eg Cleanlooks/Plastique require that we explicitly set mouse tracking on the treeview.
|
|
treeView->setAttribute(Qt::WA_MouseTracking);
|
|
iconGridSize=listGridSize=listView->gridSize();
|
|
ListDelegate *ld=new ListDelegate(listView, listView);
|
|
TreeDelegate *td=new TreeDelegate(treeView);
|
|
listView->setItemDelegate(ld);
|
|
treeView->setItemDelegate(td);
|
|
listView->installEventFilter(new ViewEventHandler(ld, listView));
|
|
treeView->installEventFilter(new ViewEventHandler(td, treeView));
|
|
connect(searchWidget, SIGNAL(returnPressed()), this, SLOT(delaySearchItems()));
|
|
connect(searchWidget, SIGNAL(textChanged(const QString)), this, SLOT(delaySearchItems()));
|
|
connect(searchWidget, SIGNAL(active(bool)), this, SLOT(searchActive(bool)));
|
|
connect(treeView, SIGNAL(itemsSelected(bool)), this, SIGNAL(itemsSelected(bool)));
|
|
connect(treeView, SIGNAL(itemActivated(const QModelIndex &)), this, SLOT(itemActivated(const QModelIndex &)));
|
|
connect(treeView, SIGNAL(doubleClicked(const QModelIndex &)), this, SIGNAL(doubleClicked(const QModelIndex &)));
|
|
connect(treeView, SIGNAL(clicked(const QModelIndex &)), this, SLOT(itemClicked(const QModelIndex &)));
|
|
connect(listView, SIGNAL(itemsSelected(bool)), this, SIGNAL(itemsSelected(bool)));
|
|
connect(listView, SIGNAL(activated(const QModelIndex &)), this, SLOT(activateItem(const QModelIndex &)));
|
|
connect(listView, SIGNAL(doubleClicked(const QModelIndex &)), this, SIGNAL(doubleClicked(const QModelIndex &)));
|
|
connect(listView, SIGNAL(clicked(const QModelIndex &)), this, SLOT(itemClicked(const QModelIndex &)));
|
|
connect(backAction, SIGNAL(triggered(bool)), this, SLOT(backActivated()));
|
|
connect(homeAction, SIGNAL(triggered(bool)), this, SLOT(homeActivated()));
|
|
searchWidget->setVisible(false);
|
|
}
|
|
|
|
ItemView::~ItemView()
|
|
{
|
|
}
|
|
|
|
void ItemView::allowGroupedView()
|
|
{
|
|
if (!groupedView) {
|
|
groupedView=new GroupedView(stackedWidget);
|
|
// Some styles, eg Cleanlooks/Plastique require that we explicitly set mouse tracking on the treeview.
|
|
groupedView->setAttribute(Qt::WA_MouseTracking, true);
|
|
groupedView->installEventFilter(new ViewEventHandler(qobject_cast<ActionItemDelegate *>(groupedView->itemDelegate()), groupedView));
|
|
groupedView->setAutoExpand(false);
|
|
groupedView->setMultiLevel(true);
|
|
treeLayout->addWidget(groupedView);
|
|
connect(groupedView, SIGNAL(itemsSelected(bool)), this, SIGNAL(itemsSelected(bool)));
|
|
connect(groupedView, SIGNAL(itemActivated(const QModelIndex &)), this, SLOT(itemActivated(const QModelIndex &)));
|
|
connect(groupedView, SIGNAL(doubleClicked(const QModelIndex &)), this, SIGNAL(doubleClicked(const QModelIndex &)));
|
|
connect(groupedView, SIGNAL(clicked(const QModelIndex &)), this, SLOT(itemClicked(const QModelIndex &)));
|
|
}
|
|
}
|
|
|
|
void ItemView::addAction(QAction *act)
|
|
{
|
|
treeView->addAction(act);
|
|
listView->addAction(act);
|
|
if (groupedView) {
|
|
groupedView->addAction(act);
|
|
}
|
|
}
|
|
|
|
void ItemView::setMode(Mode m)
|
|
{
|
|
if (m<0 || m>Mode_GroupedTree || (Mode_GroupedTree==m && !groupedView)) {
|
|
m=Mode_SimpleTree;
|
|
}
|
|
|
|
if (m==mode) {
|
|
return;
|
|
}
|
|
|
|
QIcon oldBgndIcon=bgndIcon;
|
|
if (!bgndIcon.isNull()) {
|
|
setBackgroundImage(QIcon());
|
|
}
|
|
|
|
mode=m;
|
|
searchWidget->setText(QString());
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
treeView->setModel(itemModel);
|
|
listView->setModel(0);
|
|
if (groupedView) {
|
|
groupedView->setHidden(true);
|
|
groupedView->setModel(0);
|
|
}
|
|
treeView->setHidden(false);
|
|
static_cast<TreeDelegate *>(treeView->itemDelegate())->setSimple(Mode_SimpleTree==mode);
|
|
itemModel->setRootIndex(QModelIndex());
|
|
treeView->reset();
|
|
} else if (Mode_GroupedTree==mode) {
|
|
treeView->setModel(0);
|
|
listView->setModel(0);
|
|
groupedView->setHidden(false);
|
|
treeView->setHidden(true);
|
|
groupedView->setModel(itemModel);
|
|
itemModel->setRootIndex(QModelIndex());
|
|
} else {
|
|
treeView->setModel(0);
|
|
if (groupedView) {
|
|
groupedView->setModel(0);
|
|
}
|
|
listView->setModel(itemModel);
|
|
setLevel(0);
|
|
listView->setRootIndex(QModelIndex());
|
|
itemModel->setRootIndex(QModelIndex());
|
|
emit rootIndexSet(QModelIndex());
|
|
if (Mode_IconTop!=mode) {
|
|
listView->setGridSize(listGridSize);
|
|
listView->setViewMode(QListView::ListMode);
|
|
listView->setResizeMode(QListView::Fixed);
|
|
// listView->setAlternatingRowColors(true);
|
|
listView->setWordWrap(false);
|
|
}
|
|
}
|
|
|
|
stackedWidget->setCurrentIndex(Mode_SimpleTree==mode || Mode_DetailedTree==mode || Mode_GroupedTree==mode ? 0 : 1);
|
|
if (spinner) {
|
|
spinner->setWidget(view()->viewport());
|
|
if (spinner->isActive()) {
|
|
spinner->start();
|
|
}
|
|
}
|
|
if (msgOverlay) {
|
|
msgOverlay->setWidget(view()->viewport());
|
|
}
|
|
|
|
if (!oldBgndIcon.isNull()) {
|
|
setBackgroundImage(oldBgndIcon);
|
|
}
|
|
}
|
|
|
|
QModelIndexList ItemView::selectedIndexes(bool sorted) const
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
return treeView->selectedIndexes(sorted);
|
|
} else if (Mode_GroupedTree==mode) {
|
|
return groupedView->selectedIndexes(sorted);
|
|
}
|
|
return listView->selectedIndexes(sorted);
|
|
}
|
|
|
|
void ItemView::setLevel(int l, bool haveChildren)
|
|
{
|
|
int prev=currentLevel;
|
|
currentLevel=l;
|
|
backAction->setEnabled(0!=l);
|
|
homeAction->setEnabled(l>1);
|
|
homeAction->setVisible(l>1);
|
|
|
|
if (Mode_IconTop==mode) {
|
|
if (0==currentLevel || haveChildren) {
|
|
if (QListView::IconMode!=listView->viewMode()) {
|
|
listView->setGridSize(iconGridSize);
|
|
listView->setViewMode(QListView::IconMode);
|
|
listView->setResizeMode(QListView::Adjust);
|
|
// listView->setAlternatingRowColors(false);
|
|
listView->setWordWrap(true);
|
|
listView->setDragDropMode(QAbstractItemView::DragOnly);
|
|
static_cast<ActionItemDelegate *>(listView->itemDelegate())->setLargeIcons(iconGridSize.width()>(ActionItemDelegate::constLargeActionIconSize*6));
|
|
}
|
|
} else if(QListView::ListMode!=listView->viewMode()) {
|
|
listView->setGridSize(listGridSize);
|
|
listView->setViewMode(QListView::ListMode);
|
|
listView->setResizeMode(QListView::Fixed);
|
|
// listView->setAlternatingRowColors(true);
|
|
listView->setWordWrap(false);
|
|
listView->setDragDropMode(QAbstractItemView::DragOnly);
|
|
static_cast<ActionItemDelegate *>(listView->itemDelegate())->setLargeIcons(false);
|
|
}
|
|
}
|
|
|
|
if (view()->selectionModel()) {
|
|
view()->selectionModel()->clearSelection();
|
|
}
|
|
|
|
backButton->setVisible(currentLevel>0);
|
|
title->setVisible(currentLevel>0);
|
|
homeButton->setVisible(currentLevel>1);
|
|
|
|
if (currentLevel>0) {
|
|
if (prev>currentLevel) {
|
|
title->setText(prevText[currentLevel]);
|
|
} else {
|
|
prevText.insert(prev, title->text());
|
|
}
|
|
}
|
|
}
|
|
|
|
QAbstractItemView * ItemView::view() const
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
return treeView;
|
|
} else if(Mode_GroupedTree==mode) {
|
|
return groupedView;
|
|
} else {
|
|
return listView;
|
|
}
|
|
}
|
|
|
|
void ItemView::setModel(ProxyModel *m)
|
|
{
|
|
bool needtToInit=!itemModel;
|
|
itemModel=m;
|
|
if (needtToInit) {
|
|
mode=Mode_List;
|
|
setMode(Mode_SimpleTree);
|
|
}
|
|
view()->setModel(m);
|
|
}
|
|
|
|
QString ItemView::searchText() const
|
|
{
|
|
return searchWidget->isVisible() ? searchWidget->text() : QString();
|
|
}
|
|
|
|
QString ItemView::searchCategory() const
|
|
{
|
|
return searchWidget->category();
|
|
}
|
|
|
|
void ItemView::clearSearchText()
|
|
{
|
|
return searchWidget->setText(QString());
|
|
}
|
|
|
|
void ItemView::setUniformRowHeights(bool v)
|
|
{
|
|
treeView->setUniformRowHeights(v);
|
|
}
|
|
|
|
void ItemView::setAcceptDrops(bool v)
|
|
{
|
|
listView->setAcceptDrops(v);
|
|
treeView->setAcceptDrops(v);
|
|
if (groupedView) {
|
|
groupedView->setAcceptDrops(v);
|
|
}
|
|
}
|
|
|
|
void ItemView::setDragDropOverwriteMode(bool v)
|
|
{
|
|
listView->setDragDropOverwriteMode(v);
|
|
treeView->setDragDropOverwriteMode(v);
|
|
if (groupedView) {
|
|
groupedView->setDragDropOverwriteMode(v);
|
|
}
|
|
}
|
|
|
|
void ItemView::setDragDropMode(QAbstractItemView::DragDropMode v)
|
|
{
|
|
listView->setDragDropMode(v);
|
|
treeView->setDragDropMode(v);
|
|
if (groupedView) {
|
|
groupedView->setDragDropMode(v);
|
|
}
|
|
}
|
|
|
|
void ItemView::setGridSize(const QSize &sz)
|
|
{
|
|
iconGridSize=sz;
|
|
if (Mode_IconTop==mode && 0==currentLevel) {
|
|
listView->setGridSize(listGridSize);
|
|
static_cast<ActionItemDelegate *>(listView->itemDelegate())->setLargeIcons(iconGridSize.width()>(ActionItemDelegate::constLargeActionIconSize*6));
|
|
}
|
|
}
|
|
|
|
void ItemView::update()
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
treeView->update();
|
|
} else if (Mode_GroupedTree==mode) {
|
|
groupedView->update();
|
|
} else {
|
|
listView->update();
|
|
}
|
|
}
|
|
|
|
void ItemView::setDeleteAction(QAction *act)
|
|
{
|
|
listView->installEventFilter(new DeleteKeyEventHandler(listView, act));
|
|
treeView->installEventFilter(new DeleteKeyEventHandler(treeView, act));
|
|
if (groupedView) {
|
|
groupedView->installEventFilter(new DeleteKeyEventHandler(groupedView, act));
|
|
}
|
|
}
|
|
|
|
void ItemView::showIndex(const QModelIndex &idx, bool scrollTo)
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
QModelIndex i=idx;
|
|
while (i.isValid()) {
|
|
treeView->setExpanded(i, true);
|
|
i=i.parent();
|
|
}
|
|
if (scrollTo) {
|
|
treeView->scrollTo(idx, QAbstractItemView::PositionAtTop);
|
|
}
|
|
} else if (Mode_GroupedTree==mode) {
|
|
QModelIndex i=idx;
|
|
while (i.isValid()) {
|
|
groupedView->setExpanded(i, true);
|
|
i=i.parent();
|
|
}
|
|
if (scrollTo) {
|
|
groupedView->scrollTo(idx, QAbstractItemView::PositionAtTop);
|
|
}
|
|
} else {
|
|
if (idx.parent().isValid()) {
|
|
QList<QModelIndex> indexes;
|
|
QModelIndex i=idx.parent();
|
|
QModelIndex p=idx;
|
|
while (i.isValid()) {
|
|
indexes.prepend(i);
|
|
i=i.parent();
|
|
}
|
|
setLevel(0);
|
|
listView->setRootIndex(QModelIndex());
|
|
itemModel->setRootIndex(QModelIndex());
|
|
foreach (const QModelIndex &i, indexes) {
|
|
activateItem(i, false);
|
|
}
|
|
if (p.isValid()) {
|
|
emit rootIndexSet(p);
|
|
}
|
|
if (scrollTo) {
|
|
listView->scrollTo(idx, QAbstractItemView::PositionAtTop);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (view()->selectionModel()) {
|
|
view()->selectionModel()->select(idx, QItemSelectionModel::Select|QItemSelectionModel::Rows);
|
|
}
|
|
}
|
|
|
|
void ItemView::focusSearch()
|
|
{
|
|
performedSearch=false;
|
|
searchWidget->activate();
|
|
}
|
|
|
|
void ItemView::focusView()
|
|
{
|
|
view()->setFocus();
|
|
}
|
|
|
|
void ItemView::setSearchLabelText(const QString &text)
|
|
{
|
|
searchWidget->setLabel(text);
|
|
}
|
|
|
|
void ItemView::setSearchVisible(bool v)
|
|
{
|
|
searchWidget->setVisible(v);
|
|
}
|
|
|
|
bool ItemView::isSearchActive() const
|
|
{
|
|
return searchWidget->isActive();
|
|
}
|
|
|
|
void ItemView::closeSearch()
|
|
{
|
|
if (searchWidget->isActive()) {
|
|
searchWidget->close();
|
|
}
|
|
}
|
|
|
|
void ItemView::setStartClosed(bool sc)
|
|
{
|
|
if (groupedView) {
|
|
groupedView->setStartClosed(sc);
|
|
}
|
|
}
|
|
|
|
bool ItemView::isStartClosed()
|
|
{
|
|
return groupedView ? groupedView->isStartClosed() : false;
|
|
}
|
|
|
|
void ItemView::updateRows()
|
|
{
|
|
if (groupedView) {
|
|
groupedView->updateCollectionRows();
|
|
}
|
|
}
|
|
|
|
void ItemView::updateRows(const QModelIndex &idx)
|
|
{
|
|
if (groupedView) {
|
|
groupedView->updateRows(idx);
|
|
}
|
|
}
|
|
|
|
void ItemView::expandAll(const QModelIndex &index)
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
treeView->expandAll(index);
|
|
} else if (Mode_GroupedTree==mode && groupedView) {
|
|
groupedView->expandAll(index);
|
|
}
|
|
}
|
|
|
|
void ItemView::expand(const QModelIndex &index, bool singleOnly)
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
treeView->expand(index, singleOnly);
|
|
} else if (Mode_GroupedTree==mode && groupedView) {
|
|
groupedView->expand(index, singleOnly);
|
|
}
|
|
}
|
|
|
|
void ItemView::showMessage(const QString &message, int timeout)
|
|
{
|
|
if (!msgOverlay) {
|
|
msgOverlay=new MessageOverlay(this);
|
|
msgOverlay->setWidget(view()->viewport());
|
|
}
|
|
msgOverlay->setText(message, timeout, timeout<=0);
|
|
}
|
|
|
|
void ItemView::setBackgroundImage(const QIcon &icon)
|
|
{
|
|
bgndIcon=icon;
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
treeView->setBackgroundImage(bgndIcon);
|
|
} else if (Mode_GroupedTree==mode && groupedView) {
|
|
groupedView->setBackgroundImage(bgndIcon);
|
|
} else if (Mode_List==mode || Mode_IconTop==mode) {
|
|
listView->setBackgroundImage(bgndIcon);
|
|
}
|
|
}
|
|
|
|
bool ItemView::isAnimated() const
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
return treeView->isAnimated();
|
|
}
|
|
if (Mode_GroupedTree==mode && groupedView) {
|
|
return groupedView->isAnimated();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void ItemView::setAnimated(bool a)
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
treeView->setAnimated(a);
|
|
} else if (Mode_GroupedTree==mode && groupedView) {
|
|
groupedView->setAnimated(a);
|
|
}
|
|
}
|
|
|
|
void ItemView::setPermanentSearch()
|
|
{
|
|
searchWidget->setPermanent();
|
|
}
|
|
|
|
void ItemView::setSearchCategories(const QList<QPair<QString, QString> > &categories)
|
|
{
|
|
searchWidget->setCategories(categories);
|
|
}
|
|
|
|
void ItemView::setSearchCategory(const QString &id)
|
|
{
|
|
searchWidget->setCategory(id);
|
|
}
|
|
|
|
void ItemView::showSpinner(bool v)
|
|
{
|
|
if (v) {
|
|
if (!spinner) {
|
|
spinner=new Spinner(this);
|
|
}
|
|
spinner->setWidget(view()->viewport());
|
|
spinner->start();
|
|
} else {
|
|
hideSpinner();
|
|
}
|
|
}
|
|
|
|
void ItemView::hideSpinner()
|
|
{
|
|
if (spinner) {
|
|
spinner->stop();
|
|
}
|
|
}
|
|
|
|
void ItemView::collectionRemoved(quint32 key)
|
|
{
|
|
if (groupedView) {
|
|
groupedView->collectionRemoved(key);
|
|
}
|
|
}
|
|
|
|
void ItemView::backActivated()
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode || Mode_GroupedTree==mode || 0==currentLevel) {
|
|
return;
|
|
}
|
|
setLevel(currentLevel-1);
|
|
itemModel->setRootIndex(listView->rootIndex().parent());
|
|
listView->setRootIndex(listView->rootIndex().parent());
|
|
emit rootIndexSet(listView->rootIndex().parent());
|
|
|
|
if (qobject_cast<QSortFilterProxyModel *>(listView->model())) {
|
|
QModelIndex idx=static_cast<QSortFilterProxyModel *>(listView->model())->mapFromSource(prevTopIndex);
|
|
if (idx.isValid()) {
|
|
listView->scrollTo(idx, QAbstractItemView::PositionAtTop);
|
|
}
|
|
} else {
|
|
listView->scrollTo(prevTopIndex, QAbstractItemView::PositionAtTop);
|
|
}
|
|
}
|
|
|
|
void ItemView::homeActivated()
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode || Mode_GroupedTree==mode || 0==currentLevel) {
|
|
return;
|
|
}
|
|
setLevel(0);
|
|
itemModel->setRootIndex(QModelIndex());
|
|
listView->setRootIndex(QModelIndex());
|
|
emit rootIndexSet(QModelIndex());
|
|
}
|
|
|
|
void ItemView::setExpanded(const QModelIndex &idx, bool exp)
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
treeView->setExpanded(idx, exp);
|
|
}
|
|
}
|
|
|
|
QAction * ItemView::getAction(const QModelIndex &index)
|
|
{
|
|
QAbstractItemDelegate *abs=view()->itemDelegate();
|
|
ActionItemDelegate *d=abs ? qobject_cast<ActionItemDelegate *>(abs) : 0;
|
|
return d ? d->getAction(index) : 0;
|
|
}
|
|
|
|
void ItemView::itemClicked(const QModelIndex &index)
|
|
{
|
|
QAction *act=getAction(index);
|
|
if (act) {
|
|
act->trigger();
|
|
return;
|
|
}
|
|
|
|
if (TreeView::getForceSingleClick()) {
|
|
activateItem(index);
|
|
}
|
|
}
|
|
|
|
void ItemView::itemActivated(const QModelIndex &index)
|
|
{
|
|
if (!TreeView::getForceSingleClick()) {
|
|
activateItem(index);
|
|
}
|
|
}
|
|
|
|
void ItemView::activateItem(const QModelIndex &index, bool emitRootSet)
|
|
{
|
|
if (getAction(index)) {
|
|
return;
|
|
}
|
|
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
treeView->setExpanded(index, !treeView->isExpanded(index));
|
|
} else if (Mode_GroupedTree==mode) {
|
|
if (!index.parent().isValid()) {
|
|
groupedView->setExpanded(index, !groupedView->TreeView::isExpanded(index));
|
|
}
|
|
} else if (index.isValid() && index.child(0, 0).isValid() && index!=listView->rootIndex()) {
|
|
prevTopIndex=listView->indexAt(QPoint(8, 8));
|
|
if (qobject_cast<QSortFilterProxyModel *>(listView->model())) {
|
|
prevTopIndex=static_cast<QSortFilterProxyModel *>(listView->model())->mapToSource(prevTopIndex);
|
|
}
|
|
setLevel(currentLevel+1, index.child(0, 0).child(0, 0).isValid());
|
|
QString text=index.data(Role_TitleText).toString();
|
|
if (text.isEmpty()) {
|
|
text=index.data(Qt::DisplayRole).toString();
|
|
}
|
|
title->setText(text);
|
|
listView->setRootIndex(index);
|
|
itemModel->setRootIndex(index);
|
|
if (emitRootSet) {
|
|
emit rootIndexSet(index);
|
|
}
|
|
listView->scrollToTop();
|
|
}
|
|
}
|
|
|
|
void ItemView::delaySearchItems()
|
|
{
|
|
if (searchWidget->text().isEmpty()) {
|
|
if (searchTimer) {
|
|
searchTimer->stop();
|
|
}
|
|
if (performedSearch) {
|
|
collapseToLevel();
|
|
performedSearch=false;
|
|
}
|
|
emit searchItems();
|
|
} else {
|
|
if (!searchTimer) {
|
|
searchTimer=new QTimer(this);
|
|
searchTimer->setSingleShot(true);
|
|
connect(searchTimer, SIGNAL(timeout()), this, SLOT(doSearch()));
|
|
}
|
|
searchTimer->start(500);
|
|
}
|
|
}
|
|
|
|
void ItemView::doSearch()
|
|
{
|
|
performedSearch=true;
|
|
emit searchItems();
|
|
}
|
|
|
|
void ItemView::searchActive(bool a)
|
|
{
|
|
emit searchIsActive(a);
|
|
if (!a && performedSearch) {
|
|
collapseToLevel();
|
|
performedSearch=false;
|
|
}
|
|
}
|
|
|
|
void ItemView::collapseToLevel()
|
|
{
|
|
if (Mode_SimpleTree==mode || Mode_DetailedTree==mode) {
|
|
return treeView->collapseToLevel(searchResetLevel, searchIndex);
|
|
} else if(Mode_GroupedTree==mode) {
|
|
return groupedView->collapseToLevel(searchResetLevel, searchIndex);
|
|
}
|
|
}
|