Merge pull request #92 from william-os4y/deskEditor

I propose you the lumina-fileinfo

1 files changed, 359 insertions, 0 deletions

diff --git a/lumina-fileinfo/dialog.cpp b/lumina-fileinfo/dialog.cpp
new file mode 100644
index 00000000..0c7c3a6a
--- /dev/null
+++ b/lumina-fileinfo/dialog.cpp
@@ -0,0 +1,359 @@
+#include "dialog.h"
+#include "ui_dialog.h"
+#include <QFileDialog>
+#include <QRegExp>
+#include <QTemporaryFile>
+#include <QMessageBox>
+#include "LuminaUtils.h"
+#include <LuminaOS.h>
+
+
+
+//this function is just like a regexp.
+//we just change the required lines and we don't touch to the rest of the file and copy it back.
+void Dialog::textReplace(QString &origin, QString from, QString to, QString topic)
+{
+    if (origin.contains(QRegExp("\n" + topic + "\\s*=\\s*" + from + "\n",Qt::CaseInsensitive))) {
+        origin.replace(QRegExp("\n" + topic + "\\s*=\\s*" + from + "\n",Qt::CaseInsensitive),"\n" + topic + "=" + to + "\n");
+    } else {
+        origin.append(topic + "=" + to + "\n");
+    }
+}
+
+//get the template from the user home directory or from the qrc files
+void Dialog::copyTemplate(QString templateType)   
+{
+	if ((templateType == "-link") or (templateType == "-app")) {
+		if (QFile::exists(QDir::homePath() + "/.lumina/LuminaDE/fileinfo" + templateType + ".template")) {
+			//We take the template from homedir
+			QFile::copy(QDir::homePath() + "/.lumina/LuminaDE/fileinfo" + templateType + ".template", desktopFileName);
+		} else {
+			//last possibility is to use the qrc template. 
+			//But based on the initialisation, this should never occurs
+			QFile::copy(":defaults/fileinfo" + templateType + ".template", desktopFileName);
+		}
+	} else {
+		//error message for developpers
+		qDebug() << "copyTemplate only accept '-link' or '-app' as parameter";
+	}
+}
+
+
+
+
+Dialog::Dialog(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::Dialog)
+{
+    ui->setupUi(this);
+    desktopType="Application"; //default value
+    
+    //Setup all the icons using libLumina
+    this->setWindowIcon( LXDG::findIcon("preferences-desktop-default-applications","") );
+    ui->pbWorkingDir->setIcon( LXDG::findIcon("folder","") );
+    ui->pbCommand->setIcon( LXDG::findIcon("system-search","") );
+    
+    //we copy qrc templates in the home dir of the user. 
+    //this allow the user to adapt those template to is own whishes
+    QString templateFile = QDir::homePath() + "/.lumina/LuminaDE/fileinfo-link.template";
+    if (!QFile::exists(templateFile)) {
+	    QFile::copy(":defaults/fileinfo-link.template", templateFile);
+	    QFile(templateFile).setPermissions(QFileDevice::ReadUser|QFileDevice::WriteUser);
+	}
+	templateFile = QDir::homePath() + "/.lumina/LuminaDE/fileinfo-app.template";
+    if (!QFile::exists(templateFile)) {
+	    QFile::copy(":defaults/fileinfo-app.template", templateFile);
+	    QFile(templateFile).setPermissions(QFileDevice::ReadUser|QFileDevice::WriteUser);
+	}
+}
+
+
+Dialog::~Dialog()
+{
+    delete ui;
+}
+
+//Inform the user that required input parameters are missing
+void Dialog::MissingInputs()
+{
+    qDebug() << "We cannot continue without a desktop file !!!";
+    QMessageBox::critical(this, tr("Error"), tr("The application requires inputs: <-application>|<-link> desktopfile") );
+    exit(1);
+}
+
+
+//Initialise the layout of the screen.
+void Dialog::Initialise(QString param)
+{
+	
+    //in case of "link", several objects are no required
+    if (param.startsWith("-link")) {
+        ui->cbRunInTerminal->setVisible(false);
+        ui->cbStartupNotification->setVisible(false);
+        ui->lCommand->setVisible(false);
+        ui->pbCommand->setVisible(false);
+        ui->lblCommand->setVisible(false);
+        ui->lblOptions->setVisible(false);
+        ui->lblWorkingDir->setText(tr("URL")); //we use the WorkingDir boxes for URL
+        desktopType="link";
+    }    
+    if (param.startsWith("-app")) {
+        ui->cbRunInTerminal->setVisible(true);
+        ui->cbStartupNotification->setVisible(true);
+        ui->lCommand->setVisible(true);
+        ui->pbCommand->setVisible(true);
+        ui->lblCommand->setVisible(true);
+        ui->lblOptions->setVisible(true);
+        ui->lblWorkingDir->setText(tr("Working dir")); 
+        desktopType="app";
+    }    
+}
+
+
+
+
+//load the desktop file or the required template
+void Dialog::LoadDesktopFile(QString input)
+{
+    //if we have "-" as 1st char, it means that this is not a desktop file, but a parameter
+    desktopFileName = input;
+    if (input.startsWith("-")) {
+        QMessageBox::critical(this,tr("Error"),tr("The filename cannot start with a \"-\"."));
+        exit(1);
+    }
+
+    //if proposed file does not exist, than we will create one based on the templates
+    if (!QFile::exists(input)) {
+        if (desktopType=="link") { 
+			copyTemplate("-link");
+		} else { 
+			copyTemplate("-app");
+		}
+    }
+
+    //use the standard LXDG object and load the desktop file
+    bool ok = false;
+    DF = LXDG::loadDesktopFile(desktopFileName, ok);
+    if( ok ) {
+        if ((DF.type == XDGDesktop::LINK) && (desktopType!="link" )) {
+            //we open a desktop type "link" but it was not mentionned by parameters
+            Dialog::Initialise("-link");
+        }
+        ui->lName->setText(DF.name);
+        ui->lComment->setText(DF.comment);
+        ui->lCommand->setText(DF.exec);
+        //in case of "link" desktop, we populate the correct content in lWorkingDir
+        if (desktopType=="link") {
+            ui->lWorkingDir->setText(DF.url);
+        } else {
+            ui->lWorkingDir->setText(DF.path);
+        }
+        if (DF.startupNotify) ui->cbStartupNotification->setChecked(true); else ui->cbStartupNotification->setChecked(false);
+        if (DF.useTerminal) ui->cbRunInTerminal->setChecked(true); else ui->cbRunInTerminal->setChecked(false);
+        iconFileName="";
+        ui->pbIcon->setIcon(LXDG::findIcon(DF.icon,""));
+    } else {
+        QMessageBox::critical(this, tr("Error"), tr("Problem to read the desktop file called:") + desktopFileName );
+        exit(1);
+    }
+    
+    //we load the file in memory and will adapt it before saving it to disk
+    QFile file(desktopFileName);
+    inMemoryFile="";
+    if (file.open(QFile::ReadOnly)) { 
+		QTextStream fileData(&file);
+        inMemoryFile = fileData.readAll();
+        file.close();
+        //perform some validation checks
+        //TODO: put those Regex in a config file.
+        //this will allow checks improvements without compilation of the file
+        if ((inMemoryFile.contains(QRegExp(".*\\[Desktop Entry\\].*\n"))) && 
+           (inMemoryFile.contains(QRegExp("\n\\s*Type\\s*=.*\n"))) &&          
+           (inMemoryFile.contains(QRegExp("\n\\s*Name\\s*=.*\n")))) {
+			   //qDebug() << "sounds a good file"; 
+		} else {
+			//qDebug() << "wrong file!!!!";
+			QMessageBox msgBox;
+			msgBox.setIcon(QMessageBox::Question);
+			msgBox.setText(tr("There are some issues with this file !!!!"));
+			msgBox.setInformativeText(tr("Either you correct this file your self with an editor, or you start from scratch using the link or app template.\nPlease note that this process will update the file called:") + desktopFileName);
+			QPushButton *linkButton = msgBox.addButton("Link",QMessageBox::AcceptRole);
+			QPushButton *appButton = msgBox.addButton("App",QMessageBox::ResetRole);
+			QPushButton *cancelButton = msgBox.addButton("Cancel",QMessageBox::NoRole);
+			msgBox.exec();
+			if (msgBox.clickedButton() == linkButton) {
+				QFile::remove(desktopFileName);
+				copyTemplate("-link");
+				Initialise("-link");
+				LoadDesktopFile(desktopFileName);
+			}
+			if (msgBox.clickedButton() == appButton) {
+				QFile::remove(desktopFileName);
+				copyTemplate("-app");
+				Initialise("-app");
+				LoadDesktopFile(desktopFileName);
+			}
+			if (msgBox.clickedButton() == cancelButton) {
+				//we stop here
+				exit(0);
+			}
+		}
+    }
+}
+
+
+void Dialog::on_pbCommand_clicked()
+{
+	//the default directory is the user's home directory
+ 	QString commandFolder = QDir::homePath(); 
+    if (!ui->lCommand->text().isEmpty()) commandFolder = ui->lCommand->text().section('/', 0, -2); 
+    if (commandFolder.isEmpty()) commandFolder = QDir::homePath();
+   
+    QString fileName = QFileDialog::getOpenFileName(this,
+        tr("Open command"), commandFolder, tr("All Files (*)"));
+    if (!fileName.isEmpty()) {
+		ui->lCommand->setText(fileName);
+		ui->lCommand->setModified(true);
+	}
+}
+
+
+void Dialog::on_pbWorkingDir_clicked()
+{
+    //the default directory is /
+    QString workingDir = "/";
+    if (ui->lWorkingDir->text().isEmpty()) workingDir = "/";
+    else workingDir = ui->lWorkingDir->text();
+    QFileDialog::Options options = QFileDialog::DontResolveSymlinks | QFileDialog::ShowDirsOnly;
+    QString directory = QFileDialog::getExistingDirectory(this,
+                                    tr("Working Directory"),
+                                    workingDir,
+                                    options);
+    if (!directory.isEmpty()) {
+		ui->lWorkingDir->setText(directory);
+		ui->lWorkingDir->setModified(true);
+	}
+}
+
+//we save the changes to the destination file
+void Dialog::on_pbApply_clicked()
+{
+    QString from,to;
+	QString desktopTypeVal="Application";
+	if (DF.type == XDGDesktop::APP) { desktopTypeVal="Application"; }
+	else if (DF.type == XDGDesktop::LINK) { desktopTypeVal="Link"; }
+	else if (DF.type == XDGDesktop::DIR) { desktopTypeVal="Dir"; }
+	textReplace(inMemoryFile, desktopTypeVal, desktopType, "Type");
+
+	if (ui->lName->isModified()) { textReplace(inMemoryFile, DF.name, ui->lName->text(), "Name");}
+	if (ui->lComment->isModified()) { textReplace(inMemoryFile, DF.comment, ui->lComment->text(), "Comment");}
+	if (ui->lCommand->isModified()) { textReplace(inMemoryFile, DF.exec, ui->lCommand->text(),"Exec");}
+	if (desktopType=="link") {
+		//incase of "link" layout WorkingDir is corresponding to the URL
+		if (ui->lWorkingDir->isModified()) { textReplace(inMemoryFile, DF.url, ui->lWorkingDir->text(),"URL");}
+	} else {
+		if (ui->lWorkingDir->isModified()) { textReplace(inMemoryFile, DF.path, ui->lWorkingDir->text(),"Path");}
+	}
+	if (ui->cbStartupNotification->isChecked() != DF.startupNotify) {
+		if (DF.startupNotify) {from="true"; to="false";} else {from="false"; to="true";}
+		textReplace(inMemoryFile, from, to,"StartupNotify");
+	}
+	if (ui->cbRunInTerminal->isChecked() != DF.useTerminal) {
+		if (DF.useTerminal) {from="true"; to="false";} else {from="false"; to="true";}
+		textReplace(inMemoryFile, from, to,"Terminal");
+	}
+	if (!iconFileName.isEmpty()) {
+		from=DF.icon;
+		to=iconFileName;
+		textReplace(inMemoryFile, from, to,"Icon");
+	}
+
+    QFile file(desktopFileName);
+    if (file.open(QFile::ReadWrite)) { 
+      file.seek(0);
+	  file.write(inMemoryFile.toUtf8());
+
+	  file.resize(file.pos());//remove possible trailing lines
+
+	  file.close();
+	} else {
+		//problem to write to the disk
+		QMessageBox::critical(this, tr("Problem to write to disk"), tr("We have a problem to write the adapted desktop file to the disk. Can you re-try the modification after solving the issue with the disk ?"));
+	}
+
+	//hack required to update the icon on the desktop
+		QTemporaryFile tempFile ;
+		tempFile.setAutoRemove(false);
+		tempFile.setFileTemplate("/tmp/lumina-XXXXXX");
+		tempFile.open();
+		tempFile.close();
+
+		QString cmd = "mv";
+		cmd = cmd + " " + desktopFileName + " " + tempFile.fileName();
+		int ret = LUtils::runCmd(cmd);
+		if (ret !=0 ) {
+            qDebug() << "Problem to execute:" << cmd;
+       		QMessageBox::critical(this, tr("Problem to write to disk"), tr("We have a problem to execute the following command:") + cmd);
+
+		}
+
+		cmd = "mv";
+		cmd = cmd + " " + tempFile.fileName() + " " + desktopFileName;
+		ret = LUtils::runCmd(cmd);
+		if (ret !=0 ) {
+            qDebug() << "Problem to execute:" << cmd;
+       		QMessageBox::critical(this, tr("Problem to write to disk"), tr("We have a problem to execute the following command:") + cmd);
+		}
+}
+
+
+void Dialog::on_pbIcon_clicked()
+{
+	//the default directory is local/share/icons
+	QString iconFolder = LOS::AppPrefix()+"/share/icons";
+    if (!iconFileName.isEmpty()) iconFolder = iconFileName.section('/', 0, -2); 	
+	else if (!DF.icon.isEmpty()) iconFolder = DF.icon.section('/', 0, -2); 
+	if (iconFolder.isEmpty()) iconFolder = LOS::AppPrefix()+"/share/icons";
+	
+    QString fileName = QFileDialog::getOpenFileName(this,
+        tr("Open command"), iconFolder, tr("Image Files (*.png *.jpg *.bmp)"));
+    if (!fileName.isEmpty()) {
+		ui->pbIcon->setIcon(QPixmap(fileName));
+		iconFileName=fileName;
+	}
+}
+
+void Dialog::on_lName_textChanged(QString text)
+{
+	if (text != DF.name && inMemoryFile.contains(QRegExp("\nName\\[\\S+\\]\\s*=",Qt::CaseInsensitive))) {
+		QMessageBox msgBox;
+		msgBox.setText(tr("By modifying this value, you will loose all translated versions"));
+		msgBox.setInformativeText(tr("The field: Name is translated in several other languages. If you want to continue, you will loose all translated versions"));
+		msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
+		int answer = msgBox.exec();
+		if (answer==QMessageBox::Ok) {
+			//remove all translated versions. The lang cannot be null, but the value can be.
+			inMemoryFile.replace(QRegExp("\nName\\[\\S+\\]\\s*=[^\n]*",Qt::CaseInsensitive), "");
+		} else {
+		  ui->lName->setText(DF.name);
+	    }
+	}
+}
+
+void Dialog::on_lComment_textChanged(QString text)
+{
+	if (text != DF.name && inMemoryFile.contains(QRegExp("\nComment\\[\\S+\\]\\s*=",Qt::CaseInsensitive))) {
+		QMessageBox msgBox;
+		msgBox.setText(tr("By modifying this value, you will loose all translated versions"));
+		msgBox.setInformativeText(tr("The field: Comment is translated in several other languages. If you want to continue, you will loose all translated versions"));
+		msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
+		int answer = msgBox.exec();
+		if (answer==QMessageBox::Ok) {
+			//remove all translated versions. The lang cannot be null, but the value can be.
+			inMemoryFile.replace(QRegExp("\nComment\\[\\S+\\]\\s*=[^\n]*",Qt::CaseInsensitive), "");
+		} else {
+		  ui->lName->setText(DF.comment);
+	  }
+	}
+}
+