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abc_assist_panel.py
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abc_assist_panel.py
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from tune_actions import *
from abc_context import *
import logging
import wx
import wx.html
import webbrowser
try:
from urllib.parse import parse_qsl # py3
except ImportError:
from urlparse import parse_qsl # py2
class AbcAssistControl(object):
def __init__(self, parent, element):
self.element = element
if isinstance(element.default, bool):
ctrl = wx.CheckBox(parent, -1, '')
ctrl.SetValue(element.default)
elif isinstance(element.default, int):
ctrl = wx.SpinCtrl(parent, -1, "", min=1, max=10, initial=element.default)
elif element.supported_values is not None:
choices = element.supported_values
if isinstance(choices, dict):
choices = list(choices)
ctrl = wx.ComboBox(parent, -1, choices=choices, style=wx.CB_DROPDOWN | wx.CB_READONLY)
if element.default is not None:
ctrl.SetSelection(element.default)
else:
value = element.default
if value is None:
value = ''
if isinstance(element, AbcStringField):
style = wx.TE_MULTILINE | wx.NO_BORDER
else:
style = wx.NO_BORDER # wx.SIMPLE_BORDER # wx.SUNKEN_BORDER
ctrl = wx.TextCtrl(parent, -1, value, style=style)
#if element.description is not None:
#ctrl.SetHint(element.description.splitlines()[0])
# ctrl.SetHint(element.description.split('\n', 1)[0])
self.control = ctrl
class AbcAssistPanel(wx.Panel):
html_header = """\
<!DOCTYPE html>
<meta charset="utf-8" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<html>
<body>
"""
html_footer = "</body></html>"
def __init__(self, parent, editor, cwd, settings):
wx.Panel.__init__(self, parent, -1)
if wx.Platform == "__WXMSW__":
self.SetBackgroundStyle(wx.BG_STYLE_CUSTOM)
self._editor = editor
self.settings = settings
self.context = None
self.abc_section = None
self.elements = AbcStructure.generate_abc_elements(cwd)
self.actions_handlers = AbcActionHandlers(self.elements)
self.sizer = wx.BoxSizer(wx.VERTICAL)
self.SetSizer(self.sizer)
panel = wx.Panel(self)
self.sizer.Add(panel, 1, wx.ALL | wx.EXPAND)
panel_sizer = wx.BoxSizer(wx.VERTICAL)
panel.SetSizer(panel_sizer)
#element_types = []
#for element in self.elementselements.itervalues():
# element_types.append(element.display_name)
#self.cmb_element_type = wx.ComboBox(panel, -1, choices=element_types, size=(250, 26), style=wx.CB_DROPDOWN | wx.CB_READONLY)
#self.current_text = wx.TextCtrl(self.current_element, -1, '', style=wx.TE_MULTILINE | wx.NO_BORDER)
#current_element_sizer.Add(self.current_text, 1, wx.EXPAND)
#self.current_text.Hide()
#self.current_description = wx.TextCtrl(self.current_element, -1, '', style=wx.TE_MULTILINE | wx.NO_BORDER | wx.TE_READONLY)
#self.current_description = wx.StaticText(self.current_element, -1, '', style=wx.TE_MULTILINE)
#current_element_sizer.Add(self.current_description, 1, wx.ALL | wx.EXPAND)
#self.current_description.Hide()
if wx.Platform == "__WXMAC__":
font_size = 14
else:
font_size = 10
h1_size = font_size * 5 // 3
h2_size = font_size * 3 // 2
h3_h4_size = font_size * 5 // 4
h5_h6_size = font_size * 5 // 4
self.current_html = wx.html.HtmlWindow(panel, -1, style=wx.html.HW_SCROLLBAR_AUTO | wx.html.HW_NO_SELECTION)
self.current_html.SetFonts('', '', sizes=[font_size, font_size, font_size, h5_h6_size, h3_h4_size, h2_size, h1_size])
panel_sizer.Add(self.current_html, 1, wx.ALL | wx.EXPAND)
self.current_html.Bind(wx.html.EVT_HTML_LINK_CLICKED, self.on_link_clicked)
#self.change_element_box = wx.StaticBox(self, wx.ID_ANY, 'Change')
#panel_sizer.Add(self.change_element_box, 0)
# self.notebook.AddPage(self.current_element, _('Empty line'))
# self.element_panel = ScrolledPanel(self.notebook)
# self.notebook.AddPage(self.element_panel, "Elements")
# sizer = rcsizer.RowColSizer()
# self.element_panel.SetSizer(sizer)
# border = 3
# row = 0
# for element in self.elements.itervalues():
# label = wx.StaticText(self.element_panel, -1, element.display_name + ":")
# ctrl = AbcAssistControl(self.element_panel, element).control
# sizer.Add(label, row=row, col=0, flag=wx.ALL | wx.ALIGN_CENTER_VERTICAL, border=border)
# sizer.Add(ctrl, row=row, col=1, flag=wx.EXPAND | wx.ALL | wx.ALIGN_CENTER_VERTICAL, border=border)
# row += 1
# self.element_panel.SetupScrolling()
def update_assist(self):
try:
self.context = AbcContext(self._editor, self.settings, on_invalidate=self.update_assist)
element, match = self.get_current_element()
self.context.current_element = element
if element is not None:
self.context.set_current_match(match, element.tune_scope)
element = element.get_inner_element(self.context)
html = self.html_header
if element is not None:
html += element.get_description_html(self.context)
action_html = self.actions_handlers.get_action_handler(element).get_action_html(self.context)
if action_html:
html += '<br>' + action_html
html += self.html_footer
self.set_html(html)
except Exception as ex:
logging.exception(ex)
def set_html(self, html):
scrollpos = self.current_html.GetViewStart()[1]
self.current_html.Freeze()
self.current_html.SetPage(html)
self.current_html.Scroll(0, scrollpos)
self.current_html.Thaw()
def get_current_element(self):
for element in self.elements:
m = element.matches(self.context)
if m:
return element, m
return None, None
def on_link_clicked(self, evt):
href = evt.GetLinkInfo().GetHref()
if href.startswith('http'):
webbrowser.open(href)
else:
action_handler = self.actions_handlers.get_action_handler(self.context.current_element)
parts = href.split('?', 1)
action_name = parts[0]
if len(parts) > 1:
params = dict(parse_qsl(parts[1], keep_blank_values=True))
else:
params = None # {}
action = action_handler.get_action(action_name)
if action is not None:
try:
action.execute(self.context, params)
except Exception as e:
pass # print(e)
self._editor.SetFocus()
return wx.html.HTML_BLOCK
def __on_editor_update_delayed(self, update_number):
if self.queue_number_update_assist == update_number:
self.update_assist()
def __on_editor_update(self, event):
event.Skip()
self.queue_number_update_assist += 1
wx.CallLater(250, self.__on_editor_update_delayed, self.queue_number_update_assist)