#------------------------------------------------------------------------------ # # Copyright (c) 2005, Enthought, Inc. # All rights reserved. # # This software is provided without warranty under the terms of the BSD # license included in enthought/LICENSE.txt and may be redistributed only # under the conditions described in the aforementioned license. The license # is also available online at http://www.enthought.com/licenses/BSD.txt # # Thanks for using Enthought open source! # # Author: Enthought, Inc. # #------------------------------------------------------------------------------ """ Enthought pyface package component """ # Major package imports. import wx.stc # Enthought library imports. from traits.api import Bool, Event, provides, Unicode # Local imports. from pyface.i_python_editor import IPythonEditor, MPythonEditor from pyface.key_pressed_event import KeyPressedEvent from pyface.wx.python_stc import PythonSTC, faces from .widget import Widget @provides(IPythonEditor) class PythonEditor(MPythonEditor, Widget): """ The toolkit specific implementation of a PythonEditor. See the IPythonEditor interface for the API documentation. """ #### 'IPythonEditor' interface ############################################ dirty = Bool(False) path = Unicode show_line_numbers = Bool(True) #### Events #### changed = Event key_pressed = Event(KeyPressedEvent) ########################################################################### # 'object' interface. ########################################################################### def __init__(self, parent, **traits): """ Creates a new pager. """ # Base class constructor. super(PythonEditor, self).__init__(**traits) # Create the toolkit-specific control that represents the widget. self.control = self._create_control(parent) return ########################################################################### # 'PythonEditor' interface. ########################################################################### def load(self, path=None): """ Loads the contents of the editor. """ if path is None: path = self.path # We will have no path for a new script. if len(path) > 0: f = open(self.path, 'r') text = f.read() f.close() else: text = '' self.control.SetText(text) self.dirty = False return def save(self, path=None): """ Saves the contents of the editor. """ if path is None: path = self.path f = open(path, 'w') f.write(self.control.GetText()) f.close() self.dirty = False return def set_style(self, n, fore, back): self.control.StyleSetForeground(n, fore) #self.StyleSetBackground(n, '#c0c0c0') #self.StyleSetBackground(n, '#ffffff') self.control.StyleSetBackground(n, back) self.control.StyleSetFaceName(n, "courier new") self.control.StyleSetSize(n, faces['size']) #self.StyleSetForeground(n, "#f0f0f0") ##self.StyleSetBackground(n, "#000000") #self.StyleSetFaceName(n, "courier new") #self.StyleSetSize(n, 20) #self.StyleSetUnderline(n, 1) #self.StyleSetItalic(n, 1) #self.StyleSetBold(n, 1) #StyleClearAll #StyleResetDefault #StyleSetCase #StyleSetChangeable #StyleSetCharacterSet #StyleSetEOLFilled #StyleSetFont #StyleSetFontAttr #StyleSetHotSpot #StyleSetSpec --- batch #StyleSetVisible return def select_line(self, lineno): """ Selects the specified line. """ start = self.control.PositionFromLine(lineno) end = self.control.GetLineEndPosition(lineno) self.control.SetSelection(start, end) return ########################################################################### # Trait handlers. ########################################################################### def _path_changed(self): """ Handle a change to path. """ self._changed_path() return ########################################################################### # Private interface. ########################################################################### def _create_control(self, parent): """ Creates the toolkit-specific control for the widget. """ # Base-class constructor. self.control = stc = PythonSTC(parent, -1) # No folding! stc.SetProperty("fold", "0") # Mark the maximum line size. stc.SetEdgeMode(wx.stc.STC_EDGE_LINE) stc.SetEdgeColumn(79) # Display line numbers in the margin. if self.show_line_numbers: stc.SetMarginType(1, wx.stc.STC_MARGIN_NUMBER) stc.SetMarginWidth(1, 45) self.set_style(wx.stc.STC_STYLE_LINENUMBER, "#000000", "#c0c0c0") else: stc.SetMarginWidth(1, 4) self.set_style(wx.stc.STC_STYLE_LINENUMBER, "#ffffff", "#ffffff") # Create 'tabs' out of spaces! stc.SetUseTabs(False) # One 'tab' is 4 spaces. stc.SetIndent(4) # Line ending mode. stc.SetEOLMode(wx.stc.STC_EOL_LF) # Unix #self.SetEOLMode(wx.stc.STC_EOL_CR) # Apple Mac #self.SetEOLMode(wx.stc.STC_EOL_CRLF) # Windows ########################################## # Global styles for all languages. ########################################## self.set_style(wx.stc.STC_STYLE_DEFAULT, "#000000", "#ffffff") self.set_style(wx.stc.STC_STYLE_CONTROLCHAR, "#000000", "#ffffff") self.set_style(wx.stc.STC_STYLE_BRACELIGHT, "#000000", "#ffffff") self.set_style(wx.stc.STC_STYLE_BRACEBAD, "#000000", "#ffffff") ########################################## # Python styles. ########################################## # White space self.set_style(wx.stc.STC_P_DEFAULT, "#000000", "#ffffff") # Comment self.set_style(wx.stc.STC_P_COMMENTLINE, "#007f00", "#ffffff") # Number self.set_style(wx.stc.STC_P_NUMBER, "#007f7f", "#ffffff") # String self.set_style(wx.stc.STC_P_STRING, "#7f007f", "#ffffff") # Single quoted string self.set_style(wx.stc.STC_P_CHARACTER, "#7f007f", "#ffffff") # Keyword self.set_style(wx.stc.STC_P_WORD, "#00007f", "#ffffff") # Triple quotes self.set_style(wx.stc.STC_P_TRIPLE, "#7f0000", "#ffffff") # Triple double quotes self.set_style(wx.stc.STC_P_TRIPLEDOUBLE, "#ff0000", "#ffffff") # Class name definition self.set_style(wx.stc.STC_P_CLASSNAME, "#0000ff", "#ffffff") # Function or method name definition self.set_style(wx.stc.STC_P_DEFNAME, "#007f7f", "#ffffff") # Operators self.set_style(wx.stc.STC_P_OPERATOR, "#000000", "#ffffff") # Identifiers self.set_style(wx.stc.STC_P_IDENTIFIER, "#000000", "#ffffff") # Comment-blocks self.set_style(wx.stc.STC_P_COMMENTBLOCK, "#007f00", "#ffffff") # End of line where string is not closed self.set_style(wx.stc.STC_P_STRINGEOL, "#000000", "#ffffff") ########################################## # Events. ########################################## # By default, the will fire EVT_STC_CHANGE evented for all mask values # (STC_MODEVENTMASKALL). This generates too many events. stc.SetModEventMask(wx.stc.STC_MOD_INSERTTEXT | wx.stc.STC_MOD_DELETETEXT | wx.stc.STC_PERFORMED_UNDO | wx.stc.STC_PERFORMED_REDO) # Listen for changes to the file. wx.stc.EVT_STC_CHANGE(stc, stc.GetId(), self._on_stc_changed) # Listen for key press events. wx.EVT_CHAR(stc, self._on_char) # Load the editor's contents. self.load() return stc #### wx event handlers #################################################### def _on_stc_changed(self, event): """ Called whenever a change is made to the text of the document. """ self.dirty = True self.changed = True # Give other event handlers a chance. event.Skip() return def _on_char(self, event): """ Called whenever a change is made to the text of the document. """ self.key_pressed = KeyPressedEvent( alt_down = event.m_altDown == 1, control_down = event.m_controlDown == 1, shift_down = event.m_shiftDown == 1, key_code = event.m_keyCode, event = event ) # Give other event handlers a chance. event.Skip() return #### EOF ######################################################################