usermanager.cpp

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/***************************************************************************
 *                                                                         *
 *   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 "usermanager.h"

/* OPIE */
#include <opie2/odebug.h>
#include <opie2/oresource.h>
using namespace Opie::Core;
#include <qpe/qpeapplication.h>
/* QT */
#include <qlayout.h>
#include <qmessagebox.h>
#include <qfile.h>
#include <qregexp.h>

UserConfig::UserConfig(QWidget* parent, const char* name, WFlags fl) : QMainWindow(parent, name, fl) {
        setCaption(tr("Opie User Manager"));
        
        // Create an instance of the global object 'accounts'. This holds all user/group info, and functions to modify them.
        accounts=new Passwd();
        accounts->open();       // This actually loads the files /etc/passwd & /etc/group into memory.

        // Create the toolbar.
    setToolBarsMovable( false );
    bool useBigIcon = qApp->desktop()->size().width() > 330;
        QToolBar *toolbar = new QToolBar(this,"Toolbar");
    toolbar->setHorizontalStretchable( true );
        adduserToolButton = new QToolButton(Opie::Core::OResource::loadPixmap("usermanager/adduser", Opie::Core::OResource::SmallIcon),
                                        "Add User",0,this,SLOT(addUser()),toolbar,"Add User");
    adduserToolButton->setUsesBigPixmap( useBigIcon );
    edituserToolButton = new QToolButton(Opie::Core::OResource::loadPixmap("usermanager/edituser", Opie::Core::OResource::SmallIcon),
                                         "Edit User",0,this,SLOT(editUser()),toolbar,"Edit User");
    edituserToolButton->setUsesBigPixmap( useBigIcon );
        deleteuserToolButton = new QToolButton(Opie::Core::OResource::loadPixmap("usermanager/deleteuser", Opie::Core::OResource::SmallIcon),
                                           "Delete User",0,this,SLOT(delUser()),toolbar,"Delete User");
    deleteuserToolButton->setUsesBigPixmap( useBigIcon );
        //QToolButton *userstext = new QToolButton(0,"User",0,0,0,toolbar,"User");
        //userstext->setUsesTextLabel(true);
        toolbar->addSeparator();
        addgroupToolButton = new QToolButton(Opie::Core::OResource::loadPixmap("usermanager/addgroup", Opie::Core::OResource::SmallIcon),
                                         "Add Group",0,this,SLOT(addGroup()),toolbar,"Add Group");
        addgroupToolButton->setUsesBigPixmap( useBigIcon );
    editgroupToolButton = new QToolButton(Opie::Core::OResource::loadPixmap("usermanager/editgroup", Opie::Core::OResource::SmallIcon),
                                          "Edit Group",0,this,SLOT(editGroup()),toolbar,"Edit Group");
    editgroupToolButton->setUsesBigPixmap( useBigIcon );
        deletegroupToolButton = new QToolButton(Opie::Core::OResource::loadPixmap("usermanager/deletegroup", Opie::Core::OResource::SmallIcon),
                                            "Delete Group",0,this,SLOT(delGroup()),toolbar,"Delete Group");
    deletegroupToolButton->setUsesBigPixmap( useBigIcon );
        //QToolButton *groupstext = new QToolButton(0,"Group",0,0,0,toolbar,"Group");
        //groupstext->setUsesTextLabel(true);
        addToolBar(toolbar,"myToolBar");

        // Add a tabwidget and all the tabs.
        myTabWidget = new QTabWidget(this,"My Tab Widget");
        setupTabAccounts();
        setupTabAllUsers();
        setupTabAllGroups();
        userPopupMenu.insertItem("Copy",0);
        
        getUsers(); // Fill out the iconview & listview with all users.
        getGroups(); // Fill out the group listview with all groups.
        
        setCentralWidget(myTabWidget);
}

UserConfig::~UserConfig() {
        accounts->close();
        delete accounts;
}

void UserConfig::setupTabAccounts() {
        QWidget *tabpage = new QWidget(this);
        QVBoxLayout *layout = new QVBoxLayout(tabpage);
        layout->setMargin(5);
        
        usersIconView=new QListView(tabpage,"users");
        usersIconView->addColumn("Icon");
        usersIconView->addColumn("Username");
        usersIconView->setAllColumnsShowFocus(true);
        layout->addWidget(usersIconView);
        
        connect(usersIconView,SIGNAL(returnPressed(QListViewItem*)),this,SLOT(showUserMenu(QListViewItem*)));
        
        myTabWidget->addTab(tabpage,"Users");
}

void UserConfig::setupTabAllUsers() {
        QWidget *tabpage = new QWidget(this);
        QVBoxLayout *layout = new QVBoxLayout(tabpage);
        layout->setMargin(5);
        
        usersListView=new QListView(tabpage,"allusers");
        usersListView->addColumn("UID");
        usersListView->addColumn("Login");
        usersListView->addColumn("Username");
        layout->addWidget(usersListView);
        usersListView->setSorting(1,1);
        usersListView->setAllColumnsShowFocus(true);

        myTabWidget->addTab(tabpage,"All Users");
}

void UserConfig::setupTabAllGroups() {
        QWidget *tabpage = new QWidget(this);
        QVBoxLayout *layout = new QVBoxLayout(tabpage);
        layout->setMargin(5);

        groupsListView=new QListView(tabpage,"groups");
        groupsListView->addColumn("GID");
        groupsListView->addColumn("Groupname");
        layout->addWidget(groupsListView);
        groupsListView->setSorting(1,1);
        groupsListView->setAllColumnsShowFocus(true);
        
        myTabWidget->addTab(tabpage,"All Groups");
}
void UserConfig::getUsers() {
        QString mytext;
        QPixmap mypixmap;
        QListViewItem *listviewitem;
                        
        // Empty the iconview & the listview.
        usersIconView->clear();
        usersListView->clear();
        
        // availableUID is used as a deposite for the next available UID on the system, this should start at an ID over 500.
        availableUID=500;
        for(QStringList::Iterator it=accounts->passwdStringList.begin(); it!=accounts->passwdStringList.end(); ++it) {
                accounts->splitPasswdEntry(*it); // Split the string into it's components and store in variables in the accounts object. ("pr_name" and so on.)
                if(accounts->pw_name.find(QRegExp("^#"),0)) {   // Skip commented lines.
                        new QListViewItem(usersListView,QString::number(accounts->pw_uid),accounts->pw_name,accounts->pw_gecos);
                        if((accounts->pw_uid>=500) && (accounts->pw_uid<65000)) {       // Is this user a "normal" user ?
                                mytext=QString(accounts->pw_name)+" - ("+QString(accounts->pw_gecos)+")"; // The string displayed next to the icon.
                                if(!(mypixmap.load("/opt/QtPalmtop/pics/users/"+accounts->pw_name+".png"))) { //  Is there an icon for this user? Opie::Core::OResource::loadPixmap is caching, doesn't work.
                                        mypixmap=Opie::Core::OResource::loadPixmap("usermanager/usericon", Opie::Core::OResource::SmallIcon);   // If this user has no icon, load the default icon.
                                }
                                listviewitem=new QListViewItem(usersIconView,"",mytext);        // Add the icon+text to the qiconview.
                                listviewitem->setPixmap(0,mypixmap);
                        }
                        if((accounts->pw_uid>=availableUID) && (accounts->pw_uid<65000)) availableUID=accounts->pw_uid+1; // Increase 1 to the latest know UID to get a free uid.
                }
        }
        usersIconView->sort();
}

void UserConfig::addUser() {
        if(UserDialog::addUser(availableUID,availableGID)) {    // Add the user to the system, also send next available UID and GID.
                getUsers(); // Update users views.
                getGroups(); // Update groups view.
        }
}

void UserConfig::editUser() {
        QString username;
        if(myTabWidget->currentPageIndex()==0) {        // Users
                if(usersIconView->currentItem()) {      // Any icon selected?
                        username=usersIconView->currentItem()->text(1); // Get the text associated with the icon.
                        username=username.left(username.find(" - (",0,true));   // Strip out the username.
                        if(UserDialog::editUser(username)) {    // Bring up the userinfo dialog.
                                // If there were any changed also update the views.
                                getUsers();
                                getGroups();
                        }
                } else {
                        QMessageBox::information(this,"No selection.","No user has been selected.");
                }
        }
        if(myTabWidget->currentPageIndex()==1) {        // All users
                if(usersListView->currentItem()) {      // Anything changed!?
                        username=usersListView->currentItem()->text(1); // Get the username.
                        if(UserDialog::editUser(username)) {    // Bring up the userinfo dialog.
                                // And again update the views if there were any changes.
                                getUsers();
                                getGroups();
                        }
                } else  {
                        QMessageBox::information(this,"No selection.","No user has been selected.");
                }
        }
}

void UserConfig::delUser() {
        QString username;
        
        if(myTabWidget->currentPageIndex()==0) {        // Users, Iconview.
                if(usersIconView->currentItem()) {      // Anything selected?
                        username=usersIconView->currentItem()->text(1); // Get string associated with icon.
                        username=username.left(username.find(" - (",0,true));   // Strip out the username.
                        if(QMessageBox::warning(this,"Delete user","Are you sure you want to\ndelete this user? \""+QString(username)+"\" ?","&No","&Yes",0,0,1)) {
                                if(UserDialog::delUser(username)) {     // Delete the user if possible.
                                        // Update views.
                                        getUsers();
                                        getGroups();
                                }
                        }
                } else  {
                        QMessageBox::information(this,"No selection","No user has been selected.");
                }
        }
        if(myTabWidget->currentPageIndex()==1) {        // All users
                if(usersListView->currentItem()) {      // Anything changed!?
                        username=usersListView->currentItem()->text(1); // Get the username.
                        if(QMessageBox::warning(this,"Delete user","Are you sure you want to\ndelete this user? \""+QString(username)+"\" ?","&No","&Yes",0,0,1)) {
                                if(UserDialog::delUser(username)) {     // Try to delete the user.
                                        // Update views.
                                        getUsers();
                                        getGroups();
                                }
                        }
                } else  {
                        QMessageBox::information(this,"No selection","No user has been selected.");
                }
        }
        
}

void UserConfig::getGroups() {
        groupsListView->clear();        // Empty the listview.
        availableGID=500;       // We need to find the next free GID, and are only interested in values between 500 & 65000.
        for(QStringList::Iterator it=accounts->groupStringList.begin(); it!=accounts->groupStringList.end(); ++it) {    // Split the list into lines.
                accounts->splitGroupEntry(*it); // Split the line into its components and fill the variables of 'accounts'. (gr_name, gr_uid & gr_mem).
                if(accounts->gr_name.find(QRegExp("^#"),0)) {   // Skip commented lines.
                        new QListViewItem(groupsListView,QString::number(accounts->gr_gid),accounts->gr_name);
                        if((accounts->gr_gid>=availableGID) && (accounts->gr_gid<65000)) availableGID=accounts->gr_gid+1;       // Maybe a new free GID.
                }
        }
}

void UserConfig::addGroup() {
        if(GroupDialog::addGroup(availableGID)) getGroups();    // Bring up the add group dialog.
}

void UserConfig::editGroup() {
        int gid;
        if(groupsListView->currentItem()) {     // Any group selected?
                gid=groupsListView->currentItem()->text(0).toInt();     // Get the GID from the listview.
                if(GroupDialog::editGroup(gid)) getGroups();    // Bring up the edit group dialog.
        } else  {
                QMessageBox::information(this,"No selection","No group has been selected.");
        }
}

void UserConfig::delGroup() {
        const char *groupname;
        if(groupsListView->currentItem()) {     // Any group selected?
                groupname=groupsListView->currentItem()->text(1);       // Get the groupname from the listview.
                if(QMessageBox::warning(this,"Delete group","Are you sure you want to\ndelete the group \""+QString(groupname)+"\" ?","&No","&Yes",0,0,1)) {
                        // If confirmed, try to delete the group.
                        if(GroupDialog::delGroup(groupname)) getGroups(); // And also update the view afterwards if the user was deleted.
                }
        } else  {
                QMessageBox::information(this,"No selection","No group has been selected.");
        }
}

void UserConfig::showUserMenu(QListViewItem *item) {
//      userPopupMenu.exec(item->mapToGlobal(QPoint(0,0)));
        owarn << "Pressed!" << oendl; 
}

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