Chris@1285: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@1285: 
Chris@1285: /*
Chris@1285:     Sonic Visualiser
Chris@1285:     An audio file viewer and annotation editor.
Chris@1285:     Centre for Digital Music, Queen Mary, University of London.
Chris@1285:     
Chris@1285:     This program is free software; you can redistribute it and/or
Chris@1285:     modify it under the terms of the GNU General Public License as
Chris@1285:     published by the Free Software Foundation; either version 2 of the
Chris@1285:     License, or (at your option) any later version.  See the file
Chris@1285:     COPYING included with this distribution for more information.
Chris@1285: */
Chris@1285: 
Chris@1285: #include "PluginPathConfigurator.h"
Chris@1285: 
Chris@1285: #include <QPushButton>
Chris@1287: #include <QListWidget>
Chris@1288: #include <QGridLayout>
Chris@1285: #include <QLabel>
Chris@1285: 
Chris@1285: #include "IconLoader.h"
Chris@1285: #include "WidgetScale.h"
Chris@1285: 
Chris@1285: PluginPathConfigurator::PluginPathConfigurator(QWidget *parent) :
Chris@1287:     QFrame(parent)
Chris@1285: {
Chris@1285:     m_layout = new QGridLayout;
Chris@1285:     setLayout(m_layout);
Chris@1287: 
Chris@1287:     int row = 0;
Chris@1287:     
Chris@1287:     QLabel *header = new QLabel;
Chris@1287:     header->setText(tr("Plugin locations"));
Chris@1287:     m_layout->addWidget(header, row, 0);
Chris@1287:     ++row;
Chris@1287:     
Chris@1287:     m_list = new QListWidget;
Chris@1287:     m_layout->addWidget(m_list, row, 0, 1, 2);
Chris@1287:     m_layout->setRowStretch(row, 10);
Chris@1287:     m_layout->setColumnStretch(0, 10);
Chris@1288:     connect(m_list, SIGNAL(currentRowChanged(int)),
Chris@1288:             this, SLOT(currentLocationChanged(int)));
Chris@1287:     ++row;
Chris@1287: 
Chris@1287:     QHBoxLayout *buttons = new QHBoxLayout;
Chris@1287:     
Chris@1288:     m_down = new QPushButton;
Chris@1288:     m_down->setIcon(IconLoader().load("down"));
Chris@1288:     m_down->setToolTip(tr("Move the selected location later in the list"));
Chris@1288:     m_down->setFixedSize(WidgetScale::scaleQSize(QSize(16, 16)));
Chris@1288:     connect(m_down, SIGNAL(clicked()), this, SLOT(downClicked()));
Chris@1288:     buttons->addWidget(m_down);
Chris@1287: 
Chris@1288:     m_up = new QPushButton;
Chris@1288:     m_up->setIcon(IconLoader().load("up"));
Chris@1288:     m_up->setToolTip(tr("Move the selected location earlier in the list"));
Chris@1288:     m_up->setFixedSize(WidgetScale::scaleQSize(QSize(16, 16)));
Chris@1288:     connect(m_up, SIGNAL(clicked()), this, SLOT(upClicked()));
Chris@1288:     buttons->addWidget(m_up);
Chris@1287: 
Chris@1288:     m_delete = new QPushButton;
Chris@1288:     m_delete->setIcon(IconLoader().load("datadelete"));
Chris@1288:     m_delete->setToolTip(tr("Remove the selected location from the list"));
Chris@1288:     m_delete->setFixedSize(WidgetScale::scaleQSize(QSize(16, 16)));
Chris@1288:     connect(m_delete, SIGNAL(clicked()), this, SLOT(deleteClicked()));
Chris@1288:     buttons->addWidget(m_delete);
Chris@1287: 
Chris@1287:     m_layout->addLayout(buttons, row, 1);
Chris@1287:     ++row;
Chris@1285: }
Chris@1285: 
Chris@1285: PluginPathConfigurator::~PluginPathConfigurator()
Chris@1285: {
Chris@1285: }
Chris@1285: 
Chris@1285: void
Chris@1285: PluginPathConfigurator::setPath(QStringList directories, QString envVariable)
Chris@1285: {
Chris@1285:     m_path = directories;
Chris@1285:     m_var = envVariable;
Chris@1285:     populate();
Chris@1285: }
Chris@1285: 
Chris@1285: void
Chris@1287: PluginPathConfigurator::populate(int makeCurrent)
Chris@1285: {
Chris@1287:     m_list->clear();
Chris@1286: 
Chris@1285:     for (int i = 0; i < m_path.size(); ++i) {
Chris@1287:         m_list->addItem(m_path[i]);
Chris@1287:     }
Chris@1285: 
Chris@1287:     if (makeCurrent >= 0 && makeCurrent < m_path.size()) {
Chris@1287:         m_list->setCurrentRow(makeCurrent);
Chris@1286:     }
Chris@1285: }
Chris@1285: 
Chris@1285: void
Chris@1288: PluginPathConfigurator::currentLocationChanged(int i)
Chris@1288: {
Chris@1288:     m_up->setEnabled(i > 0);
Chris@1288:     m_down->setEnabled(i + 1 < m_path.size());
Chris@1288:     m_delete->setEnabled(i < m_path.size());
Chris@1288: }
Chris@1288: 
Chris@1288: void
Chris@1285: PluginPathConfigurator::upClicked()
Chris@1285: {
Chris@1287:     int current = m_list->currentRow();
Chris@1287:     if (current <= 0) return;
Chris@1287:     
Chris@1286:     QStringList newPath;
Chris@1286:     for (int i = 0; i < m_path.size(); ++i) {
Chris@1287:         if (i + 1 == current) {
Chris@1286:             newPath.push_back(m_path[i+1]);
Chris@1286:             newPath.push_back(m_path[i]);
Chris@1286:             ++i;
Chris@1286:         } else {
Chris@1286:             newPath.push_back(m_path[i]);
Chris@1286:         }
Chris@1286:     }
Chris@1286:     m_path = newPath;
Chris@1287:     
Chris@1287:     populate(current - 1);
Chris@1285: }
Chris@1285: 
Chris@1285: void
Chris@1285: PluginPathConfigurator::downClicked()
Chris@1285: {
Chris@1287:     int current = m_list->currentRow();
Chris@1287:     if (current < 0 || current + 1 >= m_path.size()) return;
Chris@1287:     
Chris@1286:     QStringList newPath;
Chris@1286:     for (int i = 0; i < m_path.size(); ++i) {
Chris@1287:         if (i == current) {
Chris@1286:             newPath.push_back(m_path[i+1]);
Chris@1286:             newPath.push_back(m_path[i]);
Chris@1286:             ++i;
Chris@1286:         } else {
Chris@1286:             newPath.push_back(m_path[i]);
Chris@1286:         }
Chris@1286:     }
Chris@1286:     m_path = newPath;
Chris@1287:     
Chris@1287:     populate(current + 1);
Chris@1285: }
Chris@1285: 
Chris@1285: void
Chris@1285: PluginPathConfigurator::deleteClicked()
Chris@1285: {
Chris@1287:     int current = m_list->currentRow();
Chris@1287:     
Chris@1286:     QStringList newPath;
Chris@1286:     for (int i = 0; i < m_path.size(); ++i) {
Chris@1287:         if (i != current) {
Chris@1286:             newPath.push_back(m_path[i]);
Chris@1286:         }
Chris@1286:     }
Chris@1286:     m_path = newPath;
Chris@1287:     
Chris@1287:     populate(current < m_path.size() ? current : current-1);
Chris@1285: }