Redesign of ConfigurationDialog

Revamped ConfigurationDialog for more than one movie player or picture
viewers. Introduced a new widget ProgramConfigurator.

1 files changed, 193 insertions, 0 deletions

diff --git a/programconfigurator.cpp b/programconfigurator.cpp
new file mode 100644
index 0000000..a557918
--- /dev/null
+++ b/programconfigurator.cpp
@@ -0,0 +1,193 @@
+/*
+  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.
+*/
+
+#include <QPushButton>
+#include <QComboBox>
+#include <QLineEdit>
+#include <QLabel>
+#include <QGridLayout>
+#include <QHBoxLayout>
+#include <QCompleter>
+#include <QSettings>
+#include <QDirModel>
+#include <QMessageBox>
+#include <QRegExp>
+#include <QFileInfo>
+
+#include "programconfigurator.h"
+
+ProgramConfigurator::ProgramConfigurator(const QString &prefix, const QString &description, QWidget *parent) : QWidget(parent), mPrefix(prefix), mDescription(description){
+	QGridLayout *mainLayout = new QGridLayout;
+	QLabel *l1 = new QLabel(QString(tr("Select %1")).arg(mDescription));
+	mProgramSelector = new QComboBox;
+	mainLayout->addWidget(l1, 0, 0);
+	mainLayout->addWidget(mProgramSelector, 0, 1);
+	QLabel *l2 = new QLabel(QString(tr("%1 name")).arg(mDescription));
+	mNameEdit = new QLineEdit;
+	mainLayout->addWidget(l2, 1, 0);
+	mainLayout->addWidget(mNameEdit, 1, 1);
+	QLabel *l3 = new QLabel(QString(tr("%1 path")).arg(mDescription));
+	mPathEdit = new QLineEdit;
+	QCompleter *fsCompleter = new QCompleter(this);
+	QDirModel *dirModel = new QDirModel(this);
+	fsCompleter->setModel(dirModel);
+	fsCompleter->setCompletionMode(QCompleter::PopupCompletion);
+	mPathEdit->setCompleter(fsCompleter);
+	mainLayout->addWidget(l3, 2, 0);
+	mainLayout->addWidget(mPathEdit, 2, 1);
+	QLabel *l4 = new QLabel(QString(tr("%2 arguments")).arg(mDescription));
+	mArgumentsEdit = new QLineEdit;
+	mainLayout->addWidget(l4, 3, 0);
+	mainLayout->addWidget(mArgumentsEdit, 3, 1);
+	/*QString defaultProg;
+	QSettings s;
+	QString settingsString = QString("programs_%1/default").arg(mPrefix);*/
+	mDefaultLabel = new QLabel;
+	mainLayout->addWidget(mDefaultLabel, 4, 0, 1, 2, Qt::AlignCenter);
+	mAdd = new QPushButton(tr("Add program"));
+	mRemove = new QPushButton(tr("Remove program"));
+	mUpdate = new QPushButton(tr("Upadate"));
+	mDefault = new QPushButton(tr("Set as default"));
+	QHBoxLayout *buttonLayout = new QHBoxLayout;
+	buttonLayout->addStretch();
+	buttonLayout->addWidget(mAdd);
+	buttonLayout->addWidget(mRemove);
+	buttonLayout->addWidget(mUpdate);
+	buttonLayout->addWidget(mDefault);
+	buttonLayout->addStretch();
+	mainLayout->addLayout(buttonLayout, 5, 0, 1, 2, Qt::AlignCenter);
+	connect(mProgramSelector, SIGNAL(currentIndexChanged(QString)), this, SLOT(programChanged(QString)));
+	connect(mAdd, SIGNAL(clicked()), this, SLOT(addProgram()));
+	connect(mRemove, SIGNAL(clicked()), this, SLOT(removeProgram()));
+	connect(mDefault, SIGNAL(clicked()), this, SLOT(setDefault()));
+	readSettings();
+	setLayout(mainLayout);
+}
+
+void ProgramConfigurator::writeSettings(){
+	QString setString = QString("programs_%1").arg(mPrefix);
+	QString defaultString = QString("%1/default").arg(setString);
+	QString dataString = QString("%1/data").arg(setString);
+	QSettings s;
+	s.setValue(defaultString, mDefautProg);
+	s.setValue(dataString, mData);
+}
+
+void ProgramConfigurator::programChanged(const QString &program){
+	QHash<QString, QVariant> data = mData.value(program).toHash();
+	if(data.isEmpty()){
+		return;
+	}
+	mNameEdit->setText(program);
+	mPathEdit->setText(data.value("path").toString());
+	QStringList args = data.value("args").toStringList();
+	mArgumentsEdit->setText(args.join(" "));
+}
+
+void ProgramConfigurator::addProgram(){
+	QString name = mNameEdit->text();
+	if(mData.keys().contains(name)){
+		QString message = QString(tr("Already have a program with name %1.")).arg(name);
+		QMessageBox::critical(this, tr("Error"), message);
+		return;
+	}
+	QString prog = mPathEdit->text();
+	if(!isValid(prog)){
+		return;
+	}
+	QHash<QString, QVariant> newData;
+	newData.insert("path", prog);
+	newData.insert("args", args(mArgumentsEdit->text()));
+	mData.insert(name, newData);
+	mProgramSelector->addItem(name);
+}
+
+void ProgramConfigurator::removeProgram(){
+	QString name = mProgramSelector->currentText();
+	if(mData.keys().contains(name)){
+		QString message = QString(tr("Really remove %1 from program list?")).arg(name);
+		int retval = QMessageBox::question(this, tr("Question"), message, QMessageBox::Yes | QMessageBox::No);
+		if(retval == QMessageBox::Yes){
+			mData.remove(name);
+		}
+	}
+	int idx = mProgramSelector->findText(name);
+	if(idx != -1){
+		mProgramSelector->removeItem(idx);
+	}
+}
+
+void ProgramConfigurator::updateProgram(){
+	QString name = mProgramSelector->currentText();
+	QHash<QString, QVariant> data = mData.value(name).toHash();
+	if(data.isEmpty()){
+		return;
+	}
+	QString path = mPathEdit->text();
+	if(!isValid(path)){
+		return;
+	}
+	QStringList arguments = args(mArgumentsEdit->text());
+	QHash<QString, QVariant> newData;
+	newData.insert("path", path);
+	newData.insert("args", arguments);
+	mData.remove(name);
+	mData.insert(name, newData);
+}
+
+void ProgramConfigurator::setDefault(){
+	mDefautProg = mProgramSelector->currentText();
+	QString defaultLbl;
+	if(mDefautProg.isEmpty()){
+		defaultLbl = QString(tr("Default is [None]"));
+	}else{
+		defaultLbl = QString(tr("Default is %1")).arg(mDefautProg);
+	}
+	mDefaultLabel->setText(defaultLbl);
+}
+
+void ProgramConfigurator::readSettings(){
+	QString settingsPrefix = QString("programs_%1").arg(mPrefix);
+	QString defaultString = QString("%1/default").arg(settingsPrefix);
+	QString dataString = QString("%1/data").arg(settingsPrefix);
+	QSettings s;
+	mData = s.value(dataString).toHash();
+	QStringList progs;
+	foreach(QString p, mData.keys()){
+		progs << p;
+	}
+	mProgramSelector->addItems(progs);
+	mDefautProg = s.value(defaultString, tr("[None]")).toString();
+	int idx = mProgramSelector->findText(mDefautProg);
+	if(idx != -1){
+		mProgramSelector->setCurrentIndex(idx);
+	}
+	setDefault();
+}
+
+bool ProgramConfigurator::isValid(const QString &program){
+	QFileInfo progInfo(program);
+	if(!progInfo.isExecutable()){
+		QString message = QString(tr("%1 is not executable.")).arg(program);
+		QMessageBox::critical(this, tr("Error"), message);
+		return false;
+	}
+	if(!progInfo.exists()){
+		QString message = QString(tr("Cannot find %1.")).arg(program);
+		QMessageBox::critical(this, tr("Error"), message);
+		return false;
+	}
+	return true;
+}
+
+QStringList ProgramConfigurator::args(const QString &argString){
+	if(argString.isEmpty()){
+		return QStringList();
+	}
+	QRegExp splitter("\\s+");
+	return argString.split(splitter, QString::SkipEmptyParts);
+}