void OnDoOperationClicked(object o, EventArgs args)
{
if (dataBook.NPages == 0)
{
return;
}
DataView dv = ((DataViewDisplay)dataBook.CurrentPageWidget).View;
// get the operands as a byte array
byte[] byteArray = null;
try {
byteArray = ParseOperand();
}
catch (FormatException e) {
ErrorAlert ea = new ErrorAlert(Catalog.GetString("Error in Operand"), e.Message, null);
ea.Run();
ea.Destroy();
return;
}
/// get the range to apply the operation to
Util.Range range = dv.Selection;
if (range.IsEmpty())
{
Util.Range bbRange = dv.Buffer.Range;
range.Start = dv.CursorOffset;
range.End = range.Start + byteArray.Length - 1;
range.Intersect(bbRange);
}
// don't allow buffer modification while the operation is perfoming
dv.Buffer.ModifyAllowed = false;
dv.Buffer.FileOperationsAllowed = false;
BitwiseOperation bo = new BitwiseOperation(dv.Buffer, byteArray, range,
(OperationType)OperationComboBox.Active,
Services.UI.Progress.NewCallback(), BitwiseOperationAsyncCallback, true);
// start operation thread
Thread boThread = new Thread(bo.OperationThread);
boThread.IsBackground = true;
boThread.Start();
}
///<summary>
/// Callback to call when a save operation has finished
///</summary>
void SaveFileAsyncCallback(IAsyncResult ar)
{
ISaveState ss = (ISaveState)ar.AsyncState;
if (ss.Result == ThreadedAsyncOperation.OperationResult.Finished) // save went ok
{
string msg;
if (ss.SavePath != ss.Buffer.Filename)
{
msg = string.Format(Catalog.GetString("The file has been saved as '{0}'"), ss.SavePath);
}
else
{
msg = string.Format(Catalog.GetString("The file '{0}' has been saved"), ss.SavePath);
}
Services.UI.Info.DisplayMessage(msg);
// add to history
History.Instance.Add(ss.SavePath);
return;
}
else if (ss.Result == ThreadedAsyncOperation.OperationResult.Cancelled) // save cancelled
{
}
else if (ss.Result == ThreadedAsyncOperation.OperationResult.CaughtException)
{
// * UnauthorizedAccessException
// * System.ArgumentException
// * System.IO.IOException
string msg = string.Format(Catalog.GetString("Error saving file '{0}'"), ss.SavePath);
ErrorAlert ea = new ErrorAlert(msg, ss.ThreadException.Message, mainWindow);
ea.Run();
ea.Destroy();
}
{
string msg = string.Format(Catalog.GetString("The file '{0}' has NOT been saved"), ss.SavePath);
Services.UI.Info.DisplayMessage(msg);
}
}
///<summary>
/// Try to open the file as a ByteBuffer
///</summary>
public ByteBuffer OpenFile(string filename)
{
Uri uri = null;
// first try filename as a URI
try {
uri = new Uri(filename);
}
catch { }
// if filename is a valid URI
if (uri != null)
{
// try to open the URI as an unescaped path
try {
return(OpenFileInternal(uri.LocalPath, false));
}
catch (FileNotFoundException) {
}
// try to open the URI as an escaped path
try {
return(OpenFileInternal(uri.AbsolutePath, false));
}
catch (FileNotFoundException) {
}
}
// filename is not a valid URI... (eg the path contains invalid URI characters like ':')
// try to expand it as a local path
try {
string fullPath = Path.GetFullPath(filename);
return(OpenFileInternal(fullPath, true));
}
catch (Exception ex) {
string msg = string.Format(Catalog.GetString("Error opening file '{0}'"), filename);
ErrorAlert ea = new ErrorAlert(msg, ex.Message, mainWindow);
ea.Run();
ea.Destroy();
return(null);
}
}
///<summary>
/// Create and setup a DataView
///</summary>
public DataView CreateDataView(ByteBuffer bb)
{
DataView dv = new DataView();
string layoutFile = string.Empty;
// try to load default (from user preferences) layout file
try {
layoutFile = Preferences.Instance["Default.Layout.File"];
string useCurrent = Preferences.Instance["Default.Layout.UseCurrent"];
if (useCurrent == "True" && dataBook.NPages > 0)
{
DataViewDisplay dvd = (DataViewDisplay)dataBook.CurrentPageWidget;
layoutFile = dvd.Layout.FilePath;
}
if (layoutFile != string.Empty)
{
dv.Display.Layout = new Bless.Gui.Layout(layoutFile);
}
}
catch (Exception ex) {
string msg = string.Format(Catalog.GetString("Error loading layout '{0}'. Loading default layout instead."), layoutFile);
ErrorAlert ea = new ErrorAlert(msg, ex.Message, mainWindow);
ea.Run();
ea.Destroy();
}
if (Preferences.Instance["Default.EditMode"] == "Insert")
{
dv.Overwrite = false;
}
else if (Preferences.Instance["Default.EditMode"] == "Overwrite")
{
dv.Overwrite = true;
}
dv.Buffer = bb;
return(dv);
}
void OnGotoOffsetClicked(object o, EventArgs args)
{
if (dataBook.NPages == 0)
{
return;
}
DataView dv = ((DataViewDisplay)dataBook.CurrentPageWidget).View;
long offset = -1;
try {
offset = BaseConverter.Parse(OffsetEntry.Text);
if (offset >= 0 && offset <= dv.Buffer.Size)
{
dv.Display.MakeOffsetVisible(offset, DataViewDisplay.ShowType.Closest);
dv.MoveCursor(offset, 0);
}
else
{
ErrorAlert ea = new ErrorAlert(Catalog.GetString("Invalid Offset"), Catalog.GetString("The offset you specified is outside the file's limits."), null);
ea.Run();
ea.Destroy();
}
// append string to drop-down list
ListStore ls = (ListStore)OffsetEntry.Completion.Model;
ls.AppendValues(OffsetEntry.Text);
}
catch (FormatException e) {
ErrorAlert ea = new ErrorAlert(Catalog.GetString("Error in Offset Format"), e.Message, null);
ea.Run();
ea.Destroy();
}
}
public BlessMain(string[] args)
{
Application.Init();
//
Catalog.Init(ConfigureDefines.GETTEXT_PACKAGE, ConfigureDefines.LOCALE_DIR);
// load main window from glade XML
Glade.XML gxml = new Glade.XML(FileResourcePath.GetDataPath("bless.glade"), "MainWindow", "bless");
gxml.Autoconnect(this);
// set the application icon
MainWindow.Icon = new Gdk.Pixbuf(FileResourcePath.GetDataPath("bless-48x48.png"));
string blessConfDir = FileResourcePath.GetUserPath();
// make sure local configuration directory exists
try {
if (!Directory.Exists(blessConfDir))
{
Directory.CreateDirectory(blessConfDir);
}
}
catch (Exception ex) {
ErrorAlert ea = new ErrorAlert(Catalog.GetString("Cannot create user configuration directory"), ex.Message + Catalog.GetString("\n\nSome features of Bless may not work properly."), MainWindow);
ea.Run();
ea.Destroy();
}
Preferences.Proxy.Enable = false;
// load default preferences
Preferences.Default.Load(FileResourcePath.GetDataPath("default-preferences.xml"));
Preferences.Default["Default.Layout.File"] = FileResourcePath.GetDataPath("bless-default.layout");
// load user preferences
LoadPreferences(Path.Combine(blessConfDir, "preferences.xml"));
Preferences.Instance.AutoSavePath = Path.Combine(blessConfDir, "preferences.xml");
// add the (empty) Menubar and toolbar
uiManager = new UIManager();
MainWindow.AddAccelGroup(uiManager.AccelGroup);
uiManager.AddUiFromString(uiXml);
actionEntries = new ActionEntry[] {
new ActionEntry("File", null, Catalog.GetString("_File"), null, null, null),
new ActionEntry("Edit", null, Catalog.GetString("_Edit"), null, null, null),
new ActionEntry("View", null, Catalog.GetString("_View"), null, null, null),
new ActionEntry("Search", null, Catalog.GetString("_Search"), null, null, null),
new ActionEntry("Tools", null, Catalog.GetString("_Tools"), null, null, null),
new ActionEntry("Help", null, Catalog.GetString("_Help"), null, null, null)
};
ActionGroup group = new ActionGroup("MainMenuActions");
group.Add(actionEntries);
group.Add(new ToggleActionEntry[] {
new ToggleActionEntry("ToolbarAction", null, Catalog.GetString("Toolbar"), null, null,
new EventHandler(OnViewToolbarToggled), false)
});
uiManager.InsertActionGroup(group, 0);
Widget mb = uiManager.GetWidget("/menubar");
MainVBox.PackStart(mb, false, false, 0);
MainVBox.ReorderChild(mb, 0);
Widget tb = uiManager.GetWidget("/toolbar");
tb.Visible = false;
MainVBox.PackStart(tb, false, false, 0);
MainVBox.ReorderChild(tb, 1);
// create the DataBook
dataBook = new DataBook();
dataBook.PageAdded += new DataView.DataViewEventHandler(OnDataViewAdded);
dataBook.Removed += new RemovedHandler(OnDataViewRemoved);
dataBook.SwitchPage += new SwitchPageHandler(OnSwitchPage);
DataViewBox.PackStart(dataBook);
// create the widget groups that hold utility widgets
WidgetGroup widgetGroup0 = new WidgetGroup();
WidgetGroup widgetGroup1 = new WidgetGroup();
WidgetGroup sideWidgetGroup0 = new WidgetGroup();
WidgetGroup sideWidgetGroup1 = new WidgetGroup();
widgetGroup0.Show();
widgetGroup1.Show();
sideWidgetGroup0.Show();
sideWidgetGroup1.Show();
MainVBox.PackStart(widgetGroup0, false, false, 0);
MainVBox.ReorderChild(widgetGroup0, 3);
MainVBox.PackStart(widgetGroup1, false, false, 0);
MainVBox.ReorderChild(widgetGroup1, 4);
DataViewBox.PackStart(sideWidgetGroup0, false, false, 0);
DataViewBox.ReorderChild(sideWidgetGroup0, 0);
DataViewBox.PackEnd(sideWidgetGroup1, false, false, 0);
//MainVBox.ReorderChild(widgetGroup1, 4);
Services.File = new FileService(dataBook, MainWindow);
Services.Session = new SessionService(dataBook, MainWindow);
Services.UI = new UIService(uiManager);
//Services.Info=new InfoService(infobar);
// Add area plugins
PluginManager.AddForType(typeof(AreaPlugin), new object[0]);
PluginManager areaPlugins = PluginManager.GetForType(typeof(AreaPlugin));
Area.InitiatePluginTable();
foreach (AreaPlugin p in areaPlugins.Plugins)
{
Area.AddFactoryItem(p.Name, p.CreateArea);
}
// Load GUI plugins
PluginManager.AddForType(typeof(GuiPlugin), new object[] { MainWindow, uiManager });
PluginManager guiPlugins = PluginManager.GetForType(typeof(GuiPlugin));
foreach (Plugin p in guiPlugins.Plugins)
{
guiPlugins.LoadPlugin(p);
}
// load recent file history
try {
History.Instance.Load(Path.Combine(blessConfDir, "history.xml"));
}
catch (Exception e) {
System.Console.WriteLine(e.Message);
}
// if user specified files on the command line
// try to load them
if (args.Length > 0)
{
Services.File.LoadFiles(args);
}
else if (Preferences.Instance["Session.LoadPrevious"] == "True")
{
bool loadIt = true;
string prevSessionFile = Path.Combine(blessConfDir, "last.session");
if (Preferences.Instance["Session.AskBeforeLoading"] == "True" &&
File.Exists(prevSessionFile))
{
MessageDialog md = new MessageDialog(MainWindow,
DialogFlags.DestroyWithParent,
MessageType.Question,
ButtonsType.YesNo, Catalog.GetString("Do you want to load your previous session?"));
ResponseType result = (ResponseType)md.Run();
md.Destroy();
if (result == ResponseType.Yes)
{
loadIt = true;
}
else
{
loadIt = false;
}
}
// try to load previous session
if (loadIt)
{
Services.Session.Load(prevSessionFile);
}
}
// if nothing has been loaded, create a new file
if (dataBook.NPages == 0)
{
ByteBuffer bb = Services.File.NewFile();
// create and setup a DataView
DataView dv = Services.File.CreateDataView(bb);
// append the DataView to the DataBook
dataBook.AppendView(dv, new CloseViewDelegate(Services.File.CloseFile), Path.GetFileName(bb.Filename));
}
PreferencesChangedHandler handler = new PreferencesChangedHandler(OnPreferencesChanged);
Preferences.Proxy.Subscribe("View.Toolbar.Show", "mainwin", handler);
// register drag and drop of files
MainWindow.DragDataReceived += OnDragDataReceived;
Gtk.Drag.DestSet(MainWindow, DestDefaults.Motion | DestDefaults.Drop, dropTargets, Gdk.DragAction.Copy | Gdk.DragAction.Move);
DataViewBox.ShowAll();
Preferences.Proxy.Enable = true;
// fire the preferences changed event
// so things are setup according to the preferences
Preferences.Proxy.NotifyAll();
Application.Run();
}
void OnSelectButtonClicked(object o, EventArgs args)
{
if (dataBook.NPages == 0)
{
return;
}
DataView dv = ((DataViewDisplay)dataBook.CurrentPageWidget).View;
long fromOffset = -1;
long toOffset = -1;
int relative = 0;
try {
fromOffset = BaseConverter.Parse(FromEntry.Text);
}
catch (FormatException e) {
ErrorAlert ea = new ErrorAlert(Catalog.GetString("Error in From Offset Format"), e.Message, null);
ea.Run();
ea.Destroy();
return;
}
string toString = ToEntry.Text.Trim();
if (toString.StartsWith("+"))
{
relative = 1;
}
else if (toString.StartsWith("-"))
{
relative = -1;
}
toString = toString.TrimStart(new char[] { '+', '-' });
try {
toOffset = BaseConverter.Parse(toString);
}
catch (FormatException e) {
ErrorAlert ea = new ErrorAlert(Catalog.GetString("Error in To Offset Format"), e.Message, null);
ea.Run();
ea.Destroy();
return;
}
if (relative != 0)
{
toOffset = fromOffset + relative * (toOffset - 1);
}
if (toOffset >= 0 && toOffset < dv.Buffer.Size &&
fromOffset >= 0 && fromOffset < dv.Buffer.Size)
{
dv.SetSelection(fromOffset, toOffset);
dv.Display.MakeOffsetVisible(toOffset, DataViewDisplay.ShowType.Closest);
// append string to drop-down lists
ListStore ls = (ListStore)ToEntry.Completion.Model;
ls.AppendValues(ToEntry.Text);
ls = (ListStore)FromEntry.Completion.Model;
ls.AppendValues(FromEntry.Text);
}
else
{
ErrorAlert ea = new ErrorAlert(Catalog.GetString("Invalid Range"), Catalog.GetString("The range you specified is outside the file's limits."), null);
ea.Run();
ea.Destroy();
}
}
///<summary>
/// Load a session from the specified file.
///</summary>
public void Load(string path)
{
Session session = new Session();
// try to load session file
try {
session.Load(path);
}
catch (Exception ex) {
System.Console.WriteLine(ex.Message);
return;
}
// set the size of main window
if (Preferences.Instance["Session.RememberWindowGeometry"] == "True")
{
mainWindow.Resize(session.WindowWidth, session.WindowHeight);
}
// add files to the DataBook
foreach (SessionFileInfo sfi in session.Files)
{
ByteBuffer bb = Services.File.OpenFile(sfi.Path);
// if file was opened successfully
if (bb != null)
{
DataView dv = Services.File.CreateDataView(bb);
// try to load layout file
try {
dv.Display.Layout = new Bless.Gui.Layout(sfi.Layout);
}
catch (Exception ex) {
ErrorAlert ea = new ErrorAlert("Error loading layout '" + sfi.Layout + "' for file '" + sfi.Path + "'. Loading default layout.", ex.Message, mainWindow);
ea.Run();
ea.Destroy();
}
long cursorOffset = sfi.CursorOffset;
// sanity check cursor offset and view offset
if (cursorOffset > bb.Size)
{
cursorOffset = bb.Size;
}
long offset = sfi.Offset;
if (offset >= bb.Size)
{
offset = 0;
}
if (Preferences.Instance["Session.RememberCursorPosition"] == "True")
{
dv.MoveCursor(cursorOffset, sfi.CursorDigit);
dv.Offset = offset;
}
dataBook.AppendView(dv, new CloseViewDelegate(Services.File.CloseFile), Path.GetFileName(bb.Filename));
//OnBufferChanged(bb);
}
}
foreach (DataViewDisplay dvd in dataBook.Children)
{
DataView dv = dvd.View;
if (dv.Buffer.Filename == session.ActiveFile)
{
dataBook.CurrentPage = dataBook.PageNum(dvd);
break;
}
}
}
///<summary>
/// Manage low-level file saving procedures
///</summary>
private bool SaveFileInternal(DataView dv, string filename, bool synchronous)
{
ByteBuffer bb = dv.Buffer;
string fullPath = null;
// get the full path
try {
fullPath = Path.GetFullPath(filename);
}
catch (Exception ex) {
string msg = string.Format(Catalog.GetString("Error saving file '{0}'"), filename);
ErrorAlert ea = new ErrorAlert(msg, ex.Message, mainWindow);
ea.Run();
ea.Destroy();
}
// if we can't get full path, return
if (fullPath == null)
{
return(false);
}
try {
string msg;
if (fullPath != bb.Filename)
{
msg = string.Format(Catalog.GetString("Saving file '{0}' as '{1}'"), bb.Filename, fullPath);
}
else
{
msg = string.Format(Catalog.GetString("Saving file '{0}'"), bb.Filename);
}
Services.UI.Info.DisplayMessage(msg + "...");
IAsyncResult ar;
// Decide whether to save or save as
if (fullPath != bb.Filename)
{
ar = bb.BeginSaveAs(fullPath, Services.UI.Progress.NewCallback(), new AsyncCallback(SaveFileAsyncCallback));
}
else
{
ar = bb.BeginSave(Services.UI.Progress.NewCallback(), new AsyncCallback(SaveFileAsyncCallback));
}
// if save is synchronous wait for save to finish
if (synchronous)
{
// while waiting update the gui
while (ar.AsyncWaitHandle.WaitOne(50, true) == false)
{
while (Application.EventsPending())
{
Application.RunIteration();
}
}
// find out if save succeeded
SaveAsOperation bbs = (SaveAsOperation)ar.AsyncState;
if (bbs.Result != SaveAsOperation.OperationResult.Finished)
{
return(false);
}
// add to history
History.Instance.Add(bbs.SavePath);
return(true);
}
}
catch (IOException ex) {
string file;
if (fullPath != bb.Filename)
{
file = fullPath;
}
else
{
file = bb.Filename;
}
string msg = string.Format(Catalog.GetString("Error saving file '{0}'"), file);
ErrorAlert ea = new ErrorAlert(msg, ex.Message, mainWindow);
ea.Run();
ea.Destroy();
msg = string.Format(Catalog.GetString("The file '{0}' has NOT been saved"), file);
Services.UI.Info.DisplayMessage(msg);
}
return(false);
}