Mercurial > hg > svgui
view widgets/ModelDataTableDialog.cpp @ 872:e04d3c54d0ee tonioni
Merge
author | Chris Cannam |
---|---|
date | Mon, 10 Nov 2014 15:59:29 +0000 |
parents | e4773943c9c1 |
children | 4a578a360011 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2008 QMUL. 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. See the file COPYING included with this distribution for more information. */ #include "ModelDataTableDialog.h" #include "data/model/ModelDataTableModel.h" #include "data/model/TabularModel.h" #include "data/model/Model.h" #include "CommandHistory.h" #include "IconLoader.h" #include <QTableView> #include <QLineEdit> #include <QGridLayout> #include <QLabel> #include <QGroupBox> #include <QDialogButtonBox> #include <QHeaderView> #include <QApplication> #include <QDesktopWidget> #include <QAction> #include <QToolBar> #include <iostream> ModelDataTableDialog::ModelDataTableDialog(TabularModel *model, QString title, QWidget *parent) : QMainWindow(parent), m_currentRow(0), m_trackPlayback(true) { setWindowTitle(tr("Data Editor")); QToolBar *toolbar; toolbar = addToolBar(tr("Playback Toolbar")); m_playToolbar = toolbar; toolbar = addToolBar(tr("Play Mode Toolbar")); IconLoader il; QAction *action = new QAction(il.load("playfollow"), tr("Track Playback"), this); action->setStatusTip(tr("Toggle tracking of playback position")); action->setCheckable(true); action->setChecked(m_trackPlayback); connect(action, SIGNAL(triggered()), this, SLOT(togglePlayTracking())); toolbar->addAction(action); toolbar = addToolBar(tr("Edit Toolbar")); action = new QAction(il.load("datainsert"), tr("Insert New Item"), this); action->setShortcut(tr("Insert")); action->setStatusTip(tr("Insert a new item")); connect(action, SIGNAL(triggered()), this, SLOT(insertRow())); toolbar->addAction(action); action = new QAction(il.load("datadelete"), tr("Delete Selected Items"), this); action->setShortcut(tr("Delete")); action->setStatusTip(tr("Delete the selected item or items")); connect(action, SIGNAL(triggered()), this, SLOT(deleteRows())); toolbar->addAction(action); CommandHistory::getInstance()->registerToolbar(toolbar); /* action = new QAction(il.load("dataedit"), tr("Edit Selected Item"), this); action->setShortcut(tr("Edit")); action->setStatusTip(tr("Edit the selected item")); connect(action, SIGNAL(triggered()), this, SLOT(editRow())); toolbar->addAction(action); */ QFrame *mainFrame = new QFrame; setCentralWidget(mainFrame); QGridLayout *grid = new QGridLayout; mainFrame->setLayout(grid); QGroupBox *box = new QGroupBox; if (title != "") { box->setTitle(title); } else { box->setTitle(tr("Data in Layer")); } grid->addWidget(box, 0, 0); grid->setRowStretch(0, 15); QGridLayout *subgrid = new QGridLayout; box->setLayout(subgrid); subgrid->setSpacing(0); subgrid->setMargin(5); subgrid->addWidget(new QLabel(tr("Find:")), 1, 0); subgrid->addWidget(new QLabel(tr(" ")), 1, 1); m_find = new QLineEdit; subgrid->addWidget(m_find, 1, 2); connect(m_find, SIGNAL(textChanged(const QString &)), this, SLOT(searchTextChanged(const QString &))); connect(m_find, SIGNAL(returnPressed()), this, SLOT(searchRepeated())); m_tableView = new QTableView; subgrid->addWidget(m_tableView, 0, 0, 1, 3); m_tableView->setSortingEnabled(true); m_tableView->sortByColumn(0, Qt::AscendingOrder); m_table = new ModelDataTableModel(model); m_tableView->setModel(m_table); m_tableView->horizontalHeader()->setStretchLastSection(true); connect(m_tableView, SIGNAL(clicked(const QModelIndex &)), this, SLOT(viewClicked(const QModelIndex &))); connect(m_tableView, SIGNAL(pressed(const QModelIndex &)), this, SLOT(viewPressed(const QModelIndex &))); connect(m_tableView->selectionModel(), SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)), this, SLOT(currentChanged(const QModelIndex &, const QModelIndex &))); connect(m_table, SIGNAL(addCommand(Command *)), this, SLOT(addCommand(Command *))); connect(m_table, SIGNAL(currentChanged(const QModelIndex &)), this, SLOT(currentChangedThroughResort(const QModelIndex &))); connect(m_table, SIGNAL(modelRemoved()), this, SLOT(modelRemoved())); QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Close); connect(bb, SIGNAL(rejected()), this, SLOT(close())); grid->addWidget(bb, 2, 0); grid->setRowStretch(2, 0); QDesktopWidget *desktop = QApplication::desktop(); QRect available = desktop->availableGeometry(); int width = available.width() / 3; int height = available.height() / 2; if (height < 370) { if (available.height() > 500) height = 370; } if (width < 650) { if (available.width() > 750) width = 650; else if (width < 500) { if (available.width() > 650) width = 500; } } resize(width, height); } ModelDataTableDialog::~ModelDataTableDialog() { delete m_table; } void ModelDataTableDialog::userScrolledToFrame(int frame) { QModelIndex index = m_table->getModelIndexForFrame(frame); makeCurrent(index.row()); } void ModelDataTableDialog::playbackScrolledToFrame(int frame) { if (m_trackPlayback) { QModelIndex index = m_table->getModelIndexForFrame(frame); makeCurrent(index.row()); } } void ModelDataTableDialog::searchTextChanged(const QString &text) { QModelIndex mi = m_table->findText(text); if (mi.isValid()) { makeCurrent(mi.row()); m_tableView->selectionModel()->setCurrentIndex (mi, QItemSelectionModel::ClearAndSelect); } } void ModelDataTableDialog::searchRepeated() { QModelIndex mi = m_table->findText(m_find->text()); if (mi.isValid()) { makeCurrent(mi.row()); m_tableView->selectionModel()->setCurrentIndex (mi, QItemSelectionModel::ClearAndSelect); } } void ModelDataTableDialog::makeCurrent(int row) { int rh = m_tableView->height() / m_tableView->rowHeight(0); int topRow = row - rh/4; if (topRow < 0) topRow = 0; // should only scroll if the desired row is not currently visible // should only select if no part of the desired row is currently selected // cerr << "rh = " << rh << ", row = " << row << ", scrolling to " // << topRow << endl; int pos = m_tableView->rowViewportPosition(row); if (pos < 0 || pos >= m_tableView->height() - rh) { m_tableView->scrollTo(m_table->index(topRow, 0)); } bool haveRowSelected = false; for (int i = 0; i < m_table->columnCount(); ++i) { if (m_tableView->selectionModel()->isSelected(m_table->index(row, i))) { haveRowSelected = true; break; } } if (!haveRowSelected) { m_tableView->selectionModel()->setCurrentIndex (m_table->index(row, 0), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows); } } void ModelDataTableDialog::viewClicked(const QModelIndex &index) { // SVDEBUG << "ModelDataTableDialog::viewClicked: " << index.row() << ", " << index.column() << endl; emit scrollToFrame(m_table->getFrameForModelIndex(index)); } void ModelDataTableDialog::viewPressed(const QModelIndex &) { // SVDEBUG << "ModelDataTableDialog::viewPressed: " << index.row() << ", " << index.column() << endl; } void ModelDataTableDialog::currentChanged(const QModelIndex ¤t, const QModelIndex &) { // SVDEBUG << "ModelDataTableDialog::currentChanged: from " // << previous.row() << ", " << previous.column() // << " to " << current.row() << ", " << current.column() // << endl; m_currentRow = current.row(); m_table->setCurrentRow(m_currentRow); } void ModelDataTableDialog::insertRow() { m_table->insertRow(m_currentRow); } void ModelDataTableDialog::deleteRows() { // not efficient while (m_tableView->selectionModel()->hasSelection()) { m_table->removeRow (m_tableView->selectionModel()->selection().indexes().begin()->row()); } } void ModelDataTableDialog::editRow() { } void ModelDataTableDialog::addCommand(Command *command) { CommandHistory::getInstance()->addCommand(command, false, true); } void ModelDataTableDialog::togglePlayTracking() { m_trackPlayback = !m_trackPlayback; } void ModelDataTableDialog::currentChangedThroughResort(const QModelIndex &index) { // SVDEBUG << "ModelDataTableDialog::currentChangedThroughResort: row = " << index.row() << endl; // m_tableView->scrollTo(index); makeCurrent(index.row()); } void ModelDataTableDialog::modelRemoved() { close(); }