#!/usr/local/bin/python # simple text editor # # Copyright 2001 Adam Feuer and Steve Howell # # License: Python import os, string, re import sys from wxPython.wx import * from StatusBar import * from FrogEditor import FrogEditor TRUE = 1 FALSE = 0 ABOUT_TEXT = """FrogEdit : Copyright 2001 Adam Feuer and Steve Howell wxEditor component : Copyright 1999 - 2001 Dirk Holtwic, Robin Dunn, Adam Feuer, Steve Howell FrogEdit was built using Python, wxPython, and wxWindows.""" ##--------------------------------------------------------------------- def chomp(line): line = string.split(line,'\n')[0] return string.split(line,'\r')[0] ##--------------------------------------------------------------------- class OutlinerPanel(wxPanel): def Close(self, event): self.parent.Close() wxPanel.Close(self) ##---------------------------------------------------------------------- class FrogEditFrame(wxFrame): def __init__(self, parent, ID, title, pos=wxDefaultPosition, size=wxDefaultSize, style=wxDEFAULT_FRAME_STYLE): wxFrame.__init__(self, parent, ID, title, pos, size, style) splitter = wxSplitterWindow(self, -1, style=wxNO_3D|wxSP_3D) win = OutlinerPanel(splitter, -1, style=wxCLIP_CHILDREN) win.parent = self log = self.MakeLogWindow(splitter) self.MakeStatusbar() self.MakeEditorWindow(win, log) self.SetUpSplitter(splitter, win, log) self.MakeMenus() self.MakeMainWindow(win) self.RegisterEventHandlers() self.InitVariables() win.Layout() ##------------- Init Misc def RegisterEventHandlers(self): EVT_CLOSE(self,self.OnCloseWindow) def InitVariables(self): self.fileName = None self.edl.UnTouchBuffer() def MakeMenus(self): self.MainMenu = wxMenuBar() self.AddMenus(self.MainMenu) self.SetMenuBar(self.MainMenu) ##------------- Init Subwindows def MakeEditorWindow(self, win, log): self.edl = FrogEditor(win, -1, style=wxSUNKEN_BORDER, statusBar = self.sb) self.edl.SetControlFuncs = self.SetControlFuncs self.edl.SetAltFuncs = self.SetAltFuncs self.edl.SetStatus(log) def MakeStatusbar(self): self.sb = CustomStatusBar(self) self.SetStatusBar(self.sb) def MakeLogWindow(self, container): log = wxTextCtrl(container, -1, style = wxTE_MULTILINE|wxTE_READONLY|wxHSCROLL) wxLog_SetActiveTarget(wxLogTextCtrl(log)) wxLogMessage('window handle: %s' % self.GetHandle()) return log def SetUpSplitter(self, splitter, win, log): splitter.SplitHorizontally(win, log) splitter.SetSashPosition(360, true) splitter.SetMinimumPaneSize(40) def MakeToolbar(self, win): toolbarBox = wxBoxSizer(wxHORIZONTAL) self.AddButtons(win, toolbarBox) return toolbarBox def MakeMainWindow(self, win): mainBox = wxBoxSizer(wxVERTICAL) mainBox.Add(self.MakeToolbar(win)) borderWidth = 5 mainBox.Add(self.edl, 1, wxALL|wxGROW, borderWidth) win.SetSizer(mainBox) win.SetAutoLayout(true) ##-------------- Init Menus # override this to add more menus def AddMenus(self, menu): self.AddFileMenu(menu) self.AddEditMenu(menu) self.AddHelpMenu(menu) def AddMenuItem(self, menu, itemText, itemDescription, itemHandler): menuId = wxNewId() menu.Append(menuId, itemText, itemDescription) EVT_MENU(self, menuId, itemHandler) return menuId def AddFileMenu(self, menu): fileMenu = wxMenu() self.AddMenuItem(fileMenu, '&New File\tCtrl-N', 'New File', self.OnNewFile) self.AddMenuItem(fileMenu, '&Open File\tCtrl-O', 'Open File', self.OnOpenFile) self.AddMenuItem(fileMenu, '&Save File\tCtrl-S', 'Save File', self.OnSaveFile) self.AddMenuItem(fileMenu, 'Save File &As\tCtrl-A', 'Save File As',self.OnSaveFileAs) self.AddMenuItem(fileMenu, 'E&xit\tAlt-X', 'Exit', self.OnFileExit) menu.Append(fileMenu, 'File') def AddEditMenu(self, menu): editMenu = wxMenu() self.AddMenuItem(editMenu, 'Cut\tCtrl-X', 'Cut', self.edl.OnCutSelection) self.AddMenuItem(editMenu, '&Copy\tCtrl-C', 'Copy', self.edl.OnCopySelection) self.AddMenuItem(editMenu, 'Paste\tCtrl-V', 'Paste', self.edl.OnPaste) self.AddMenuItem(editMenu, 'Edit preferences', 'Edit Preferences', self.OnEditPreferences) menu.Append(editMenu, 'Edit') def AddHelpMenu(self, menu): helpMenu = wxMenu() self.AddMenuItem(helpMenu, 'About', 'About the program', self.OnHelpAbout) menu.Append(helpMenu, 'Help') ##---------------- Init Buttons def NewButton(self, window, container, name, pos, size, handler): buttonId = wxNewId() if pos == None or size == None: container.Add(wxButton(window, buttonId, name), 0, 0) else: container.Add(wxButton(window, buttonId, name, pos, size), 0, 0) EVT_BUTTON(self, buttonId, handler) return buttonId # override this to make more buttons def AddButtons(self, window, container): buttonPos = None buttonSize = None self.NewButton(window, container, "New", buttonPos, buttonSize, self.OnNewFile) self.NewButton(window, container, "Open", buttonPos, buttonSize, self.OnOpenFile) self.NewButton(window, container, "Save", buttonPos, buttonSize, self.OnSaveFile) ##-------------- Init Dialogs def MessageDialog(self, text, title): messageDialog = wxMessageDialog(self, text, title, wxOK | wxICON_INFORMATION) messageDialog.ShowModal() messageDialog.Destroy() def OkCancelDialog(self, text, title): dialog = wxMessageDialog(self, text, title, wxOK | wxCANCEL | wxICON_INFORMATION) result = dialog.ShowModal() dialog.Destroy() if result == wxID_OK: return TRUE else: return FALSE def SelectFileDialog(self, defaultDir=None, defaultFile=None, wildCard=None): if defaultDir == None: defaultDir = "." if defaultFile == None: defaultFile = "" if wildCard == None: wildCard = "*.*" fileName = None fileDialog = wxFileDialog(self, "Choose a file", defaultDir, defaultFile, wildCard, wxOPEN|wxMULTIPLE) result = fileDialog.ShowModal() if result == wxID_OK: fileName = fileDialog.GetPath() wxLogMessage('You selected: %s\n' % fileName) fileDialog.Destroy() return fileName def OpenFileError(self, fileName): wxLogMessage('Open file error.') self.MessageDialog("Error opening file '%s'!" % fileName, "Error") def SaveFileError(self, fileName): wxLogMessage('Save file error.') self.MessageDialog("Error saving file '%s'!" % fileName, "Error") ##---------------- Utility functions def SetControlFuncs(self, action): "for overriding editor's keys" FrogEditor.SetControlFuncs(self.edl, action) action['a'] = self.OnSaveFileAs action['o'] = self.OnOpenFile action['n'] = self.OnNewFile action['s'] = self.OnSaveFile def SetAltFuncs(self, action): FrogEditor.SetAltFuncs(self.edl, action) action['x'] = self.OnFileExit def GetCurrentDir(self): if self.fileName is not None: return os.path.split(self.fileName)[0] return "." def GetFileName(self): if self.fileName is not None: return os.path.split(self.fileName)[1] return "" def NewFile(self): self.edl.SetText([""]) self.fileName = None self.sb.setFileName("") def SaveFile(self, fileName): try: contents = string.join(self.edl.GetText(), '\n') f = open(fileName, 'w') f.write(contents) f.close() self.edl.UnTouchBuffer() self.sb.setFileName(fileName) return TRUE except: return FALSE def OpenFile(self, fileName): try: f = open(fileName, 'r') contents = f.readlines() f.close() contents = [chomp(line) for line in contents] if len(contents) == 0: contents = [""] self.edl.SetText(contents) self.fileName = fileName self.sb.setFileName(fileName) return TRUE except: return FALSE ##---------------- Event handlers def OnCloseWindow(self, event): self.edl.OnCloseWindow(event) self.Destroy() def OnNewFile(self, event): if self.edl.BufferWasTouched(): if not self.OkCancelDialog("New file - abandon changes?", "New File"): return self.NewFile() self.edl.SetFocus() def OnOpenFile(self, event): if self.edl.BufferWasTouched(): if not self.OkCancelDialog("Open file - abandon changes?", "Open File"): return fileName = self.SelectFileDialog(self.GetCurrentDir()) if fileName is not None: if self.OpenFile(fileName) is FALSE: self.OpenFileError(fileName) self.edl.SetFocus() def OnSaveFile(self, event): if self.fileName is None: return self.OnSaveFileAs(event) wxLogMessage("Saving %s..." % self.fileName) if self.SaveFile(self.fileName) is not TRUE: self.SaveFileError(self.fileName) self.edl.SetFocus() def OnSaveFileAs(self, event): fileName = self.SelectFileDialog(self.GetCurrentDir(),self.GetFileName()) if fileName is not None: self.fileName = fileName wxLogMessage("Saving %s..." % self.fileName) if self.SaveFile(self.fileName) is not TRUE: self.SaveFileError(self.fileName) self.edl.SetFocus() def OnFileExit(self, event): if self.edl.BufferWasTouched(): if not self.OkCancelDialog("Exit program - abandon changes?", "Exit"): return self.OnCloseWindow(event) def OnEditPreferences(self, event): self.MessageDialog("Edit preferences is not implemented yet.", "Not implemented.") pass def OnHelpAbout(self, event): self.MessageDialog(ABOUT_TEXT, "About FrogEdit") pass def Show(self, show): wxFrame.Show(self, show) self.edl.SetFocus() ##------------- Startup stuff def LoadInitialFile(self, fileName): if fileName is not None: if self.OpenFile(fileName) is FALSE: self.OpenFileError(fileName) ##-------------- Application Launcher utility class class FrogEditLauncher: def MakeAppFrame(self): return FrogEditFrame(None, -1, "FrogEdit", size=(640, 480), style=wxDEFAULT_FRAME_STYLE|wxNO_FULL_REPAINT_ON_RESIZE) def GetArgvFilename(self): if len(sys.argv) > 1: return sys.argv[1] else: return None def Main(self): app = wxPySimpleApp() win = self.MakeAppFrame() win.Show(true) win.LoadInitialFile(self.GetArgvFilename()) app.MainLoop() ##-------------- Main program if __name__ == '__main__': launcher = FrogEditLauncher() launcher.Main()