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annotate src/browser/sat_browser/richtext.py @ 738:caad07bdb659

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browser_side: simplify RichTextEditor initialization
author souliane <souliane@mailoo.org>
date Thu, 19 Nov 2015 13:14:01 +0100
parents 398b54bd97f0
children b6510fd9ae15
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2013, 2014, 2015 Adrien Cossa <souliane@mailoo.org>
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat_frontends.tools import composition
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21 from sat.core.i18n import _
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22 from sat.core.log import getLogger
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23 log = getLogger(__name__)
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24
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25 from pyjamas.ui.TextArea import TextArea
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26 from pyjamas.ui.Button import Button
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27 from pyjamas.ui.CheckBox import CheckBox
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28 from pyjamas.ui.Label import Label
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29 from pyjamas.ui.FlexTable import FlexTable
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30 from pyjamas.ui.HorizontalPanel import HorizontalPanel
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31 from pyjamas.ui.KeyboardListener import KeyboardHandler
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32 from pyjamas import Window
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33 from __pyjamas__ import doc
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34
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35 from constants import Const as C
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36 import dialog
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37 import base_panel
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38 import editor_widget
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39 import html_tools
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42 class RichTextEditor(editor_widget.BaseTextEditor, FlexTable):
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43 """Panel for the rich text editor."""
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44
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45 STYLE = {'main': 'richTextEditor',
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46 'title': 'richTextTitle',
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47 'toolbar': 'richTextToolbar',
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48 'textarea': 'richTextArea'
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49 }
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50
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51 def __init__(self, host, content=None, modifiedCb=None, afterEditCb=None, options=None):
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52 """
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53
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54 @param host (SatWebFrontend): host instance
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55 @param content (dict): dict with at least a 'text' key
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56 @param modifiedCb (callable): to be called when the text has been modified
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57 @param afterEditCb (callable): to be called when the edition is done
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58 @param options (list[unicode]): UI options ("read_only", "update_msg")
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59 """
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60 FlexTable.__init__(self) # FIXME
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61 self.host = host
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62 self.wysiwyg = False
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63 self.read_only = 'read_only' in options
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64 self.update_msg = 'update_msg' in options
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66 indices = (-1, -1, 0, -1) if self.read_only else (0, 1, 2, 3)
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67 self.title_offset, self.toolbar_offset, self.content_offset, self.command_offset = indices
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68 self.addStyleName(self.STYLE['main'])
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69
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70 editor_widget.BaseTextEditor.__init__(self, content, None, modifiedCb, afterEditCb)
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72 def addEditListener(self, listener):
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73 """Add a method to be called whenever the text is edited.
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74
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75 @param listener: method taking two arguments: sender, keycode
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76 """
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77 editor_widget.BaseTextEditor.addEditListener(self, listener)
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78 if hasattr(self, 'display'):
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79 self.display.addEditListener(listener)
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80
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81 def refresh(self, edit=None):
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82 """Refresh the UI for edition/display mode.
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83
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84 @param edit: set to True to display the edition mode
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85 """
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86 if edit is None:
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87 edit = hasattr(self, 'textarea') and self.textarea.getVisible()
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88
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89 for widget in ['title_panel', 'command']:
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90 if hasattr(self, widget):
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91 getattr(self, widget).setVisible(edit)
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92
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93 if hasattr(self, 'toolbar'):
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94 self.toolbar.setVisible(False)
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95
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96 if not hasattr(self, 'display'):
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97 self.display = editor_widget.HTMLTextEditor(options={'enhance_display': False, 'listen_keyboard': False}) # for display mode
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98 for listener in self.edit_listeners:
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99 self.display.addEditListener(listener)
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100
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101 if not self.read_only and not hasattr(self, 'textarea'):
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102 self.textarea = EditTextArea(self) # for edition mode
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103 self.textarea.addStyleName(self.STYLE['textarea'])
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104
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105 self.getFlexCellFormatter().setColSpan(self.content_offset, 0, 2)
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106 if edit and not self.wysiwyg:
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107 self.textarea.setWidth('100%') # CSS width doesn't do it, don't know why
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108 self.setWidget(self.content_offset, 0, self.textarea)
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109 else:
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110 self.setWidget(self.content_offset, 0, self.display)
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111 if not edit:
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112 return
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113
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114 if not self.read_only and not hasattr(self, 'title_panel'):
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115 self.title_panel = base_panel.TitlePanel()
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116 self.title_panel.addStyleName(self.STYLE['title'])
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117 self.getFlexCellFormatter().setColSpan(self.title_offset, 0, 2)
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118 self.setWidget(self.title_offset, 0, self.title_panel)
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119
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120 if not self.read_only and not hasattr(self, 'command'):
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121 self.command = HorizontalPanel()
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122 self.command.addStyleName("marginAuto")
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123 self.command.add(Button("Cancel", lambda: self.edit(True, True)))
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124 self.command.add(Button("Update" if self.update_msg else "Send message", lambda: self.edit(False)))
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125 self.getFlexCellFormatter().setColSpan(self.command_offset, 0, 2)
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126 self.setWidget(self.command_offset, 0, self.command)
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127
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128 def setToolBar(self, syntax):
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129 """This method is called asynchronously after the parameter
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130 holding the rich text syntax is retrieved. It is called at
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131 each call of self.edit(True) because the user may
232
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diff changeset
132 have change his setting since the last time."""
351
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souliane <souliane@mailoo.org>
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diff changeset
133 if syntax is None or syntax not in composition.RICH_SYNTAXES.keys():
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diff changeset
134 syntax = composition.RICH_SYNTAXES.keys()[0]
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diff changeset
135 if hasattr(self, "toolbar") and self.toolbar.syntax == syntax:
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diff changeset
136 self.toolbar.setVisible(True)
352
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diff changeset
137 return
738
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diff changeset
138 self.toolbar = HorizontalPanel()
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diff changeset
139 self.toolbar.syntax = syntax
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souliane <souliane@mailoo.org>
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140 self.toolbar.addStyleName(self.STYLE['toolbar'])
caad07bdb659 browser_side: simplify RichTextEditor initialization
souliane <souliane@mailoo.org>
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diff changeset
141 for key in composition.RICH_SYNTAXES[syntax].keys():
caad07bdb659 browser_side: simplify RichTextEditor initialization
souliane <souliane@mailoo.org>
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diff changeset
142 self.addToolbarButton(syntax, key)
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souliane <souliane@mailoo.org>
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143 self.wysiwyg_button = CheckBox(_('preview'))
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souliane <souliane@mailoo.org>
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144 wysiywgCb = lambda sender: self.setWysiwyg(sender.getChecked())
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diff changeset
145 self.wysiwyg_button.addClickListener(wysiywgCb)
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souliane <souliane@mailoo.org>
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diff changeset
146 self.toolbar.add(self.wysiwyg_button)
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souliane <souliane@mailoo.org>
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147 self.syntax_label = Label(_("Syntax: %s") % syntax)
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148 self.syntax_label.addStyleName("richTextSyntaxLabel")
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diff changeset
149 self.toolbar.add(self.syntax_label)
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150 self.toolbar.setCellWidth(self.syntax_label, "100%")
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diff changeset
151 self.getFlexCellFormatter().setColSpan(self.toolbar_offset, 0, 2)
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152 self.setWidget(self.toolbar_offset, 0, self.toolbar)
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153
353
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154 def setWysiwyg(self, wysiwyg, init=False):
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155 """Toggle the edition mode between rich content syntax and wysiwyg.
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156 @param wysiwyg: boolean value
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157 @param init: set to True to re-init without switching the widgets."""
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158 def setWysiwyg():
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159 self.wysiwyg = wysiwyg
364
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souliane <souliane@mailoo.org>
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diff changeset
160 try:
353
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diff changeset
161 self.wysiwyg_button.setChecked(wysiwyg)
593
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Goffi <goffi@goffi.org>
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diff changeset
162 except (AttributeError, TypeError):
364
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souliane <souliane@mailoo.org>
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diff changeset
163 pass
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souliane <souliane@mailoo.org>
parents: 362
diff changeset
164 try:
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diff changeset
165 if wysiwyg:
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diff changeset
166 self.syntax_label.addStyleName('transparent')
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diff changeset
167 else:
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diff changeset
168 self.syntax_label.removeStyleName('transparent')
593
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Goffi <goffi@goffi.org>
parents: 574
diff changeset
169 except (AttributeError, TypeError):
364
4cf735b40304 browser_side: hide the syntax label when wysiwyg edtion is active
souliane <souliane@mailoo.org>
parents: 362
diff changeset
170 pass
353
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diff changeset
171 if not wysiwyg:
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172 self.display.removeStyleName('richTextWysiwyg')
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diff changeset
173
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diff changeset
174 if init:
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175 setWysiwyg()
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souliane <souliane@mailoo.org>
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diff changeset
176 return
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diff changeset
177
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178 self.getFlexCellFormatter().setColSpan(self.content_offset, 0, 2)
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179 if wysiwyg:
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diff changeset
180 def syntaxConvertCb(text):
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181 self.display.setContent({'text': text})
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diff changeset
182 self.textarea.removeFromParent() # XXX: force as it is not always done...
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diff changeset
183 self.setWidget(self.content_offset, 0, self.display)
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184 self.display.addStyleName('richTextWysiwyg')
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diff changeset
185 self.display.edit(True)
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diff changeset
186 content = self.getContent()
433
bbdbee25123a import constants.Const as C (according to the coding rules)
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diff changeset
187 if content['text'] and content['syntax'] != C.SYNTAX_XHTML:
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diff changeset
188 self.host.bridge.call('syntaxConvert', syntaxConvertCb, content['text'], content['syntax'], C.SYNTAX_XHTML)
353
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diff changeset
189 else:
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diff changeset
190 syntaxConvertCb(content['text'])
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diff changeset
191 else:
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diff changeset
192 syntaxConvertCb = lambda text: self.textarea.setText(text)
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193 text = self.display.getContent()['text']
433
bbdbee25123a import constants.Const as C (according to the coding rules)
souliane <souliane@mailoo.org>
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diff changeset
194 if text and self.toolbar.syntax != C.SYNTAX_XHTML:
353
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diff changeset
195 self.host.bridge.call('syntaxConvert', syntaxConvertCb, text)
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diff changeset
196 else:
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diff changeset
197 syntaxConvertCb(text)
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diff changeset
198 self.setWidget(self.content_offset, 0, self.textarea)
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diff changeset
199 self.textarea.setWidth('100%') # CSS width doesn't do it, don't know why
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diff changeset
200
ddb909ab5cbc browser_side: wysiwyg edtion, first steps (do not use the buttons yet)
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diff changeset
201 setWysiwyg() # do it in the end because it affects self.getContent
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diff changeset
202
351
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diff changeset
203 def addToolbarButton(self, syntax, key):
232
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204 """Add a button with the defined parameters."""
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205 button = Button('<img src="%s" class="richTextIcon" />' %
254
28d3315a8003 browser_side: isolate the basic stuff of RecipientManager in a new class ListManager:
souliane <souliane@mailoo.org>
parents: 234
diff changeset
206 composition.RICH_BUTTONS[key]["icon"])
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souliane <souliane@mailoo.org>
parents: 234
diff changeset
207 button.setTitle(composition.RICH_BUTTONS[key]["tip"])
232
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208 button.addStyleName('richTextToolButton')
351
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diff changeset
209 self.toolbar.add(button)
232
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210
355
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diff changeset
211 def buttonCb():
232
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212 """Generic callback for a toolbar button."""
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213 text = self.textarea.getText()
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souliane <souliane@mailoo.org>
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diff changeset
214 cursor_pos = self.textarea.getCursorPos()
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215 selection_length = self.textarea.getSelectionLength()
355
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diff changeset
216 data = composition.RICH_SYNTAXES[syntax][key]
232
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diff changeset
217 if selection_length == 0:
355
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diff changeset
218 middle_text = data[1]
232
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diff changeset
219 else:
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220 middle_text = text[cursor_pos:cursor_pos + selection_length]
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221 self.textarea.setText(text[:cursor_pos]
355
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diff changeset
222 + data[0]
232
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diff changeset
223 + middle_text
355
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diff changeset
224 + data[2]
232
0ed09cc0566f browser_side: added UIs for rich text editor and addressing to multiple recipients
souliane <souliane@mailoo.org>
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diff changeset
225 + text[cursor_pos + selection_length:])
355
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diff changeset
226 self.textarea.setCursorPos(cursor_pos + len(data[0]) + len(middle_text))
232
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diff changeset
227 self.textarea.setFocus(True)
362
019e1e706e74 browser_side: display the popup notifying the message's recipient when you edit the blog entry's bubble.
souliane <souliane@mailoo.org>
parents: 359
diff changeset
228 self.textarea.onKeyDown()
232
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diff changeset
229
355
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diff changeset
230 def wysiwygCb():
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diff changeset
231 """Callback for a toolbar button while wysiwyg mode is enabled."""
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diff changeset
232 data = composition.COMMANDS[key]
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diff changeset
233
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diff changeset
234 def execCommand(command, arg):
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diff changeset
235 self.display.setFocus(True)
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diff changeset
236 doc().execCommand(command, False, arg.strip() if arg else '')
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diff changeset
237 # use Window.prompt instead of dialog.PromptDialog to not loose the focus
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diff changeset
238 prompt = lambda command, text: execCommand(command, Window.prompt(text))
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parents: 353
diff changeset
239 if isinstance(data, tuple) or isinstance(data, list):
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diff changeset
240 if data[1]:
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diff changeset
241 prompt(data[0], data[1])
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souliane <souliane@mailoo.org>
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diff changeset
242 else:
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diff changeset
243 execCommand(data[0], data[2])
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souliane <souliane@mailoo.org>
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diff changeset
244 else:
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diff changeset
245 execCommand(data, False, '')
362
019e1e706e74 browser_side: display the popup notifying the message's recipient when you edit the blog entry's bubble.
souliane <souliane@mailoo.org>
parents: 359
diff changeset
246 self.textarea.onKeyDown()
355
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diff changeset
247
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diff changeset
248 button.addClickListener(lambda: wysiwygCb() if self.wysiwyg else buttonCb())
232
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diff changeset
249
351
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diff changeset
250 def getContent(self):
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diff changeset
251 assert(hasattr(self, 'textarea'))
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diff changeset
252 assert(hasattr(self, 'toolbar'))
353
ddb909ab5cbc browser_side: wysiwyg edtion, first steps (do not use the buttons yet)
souliane <souliane@mailoo.org>
parents: 352
diff changeset
253 if self.wysiwyg:
433
bbdbee25123a import constants.Const as C (according to the coding rules)
souliane <souliane@mailoo.org>
parents: 432
diff changeset
254 content = {'text': self.display.getContent()['text'], 'syntax': C.SYNTAX_XHTML}
353
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parents: 352
diff changeset
255 else:
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diff changeset
256 content = {'text': self.strproc(self.textarea.getText()), 'syntax': self.toolbar.syntax}
351
c943fd54c90e browser_side: heavy refactorisation for microblogs:
souliane <souliane@mailoo.org>
parents: 346
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257 if hasattr(self, 'title_panel'):
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258 content.update({'title': self.strproc(self.title_panel.getText())})
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259 return content
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260
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261 def edit(self, edit=False, abort=False, sync=False):
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262 """
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263 Remark: the editor must be visible before you call this method.
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264 @param edit: set to True to edit the content or False to only display it
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265 @param abort: set to True to cancel the edition and loose the changes.
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266 If edit and abort are both True, self.abortEdition can be used to ask for a
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267 confirmation. When edit is False and abort is True, abortion is actually done.
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268 @param sync: set to True to cancel the edition after the content has been saved somewhere else
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269 """
357
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270 if not (edit and abort):
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271 self.refresh(edit) # not when we are asking for a confirmation
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272 editor_widget.BaseTextEditor.edit(self, edit, abort, sync) # after the UI has been refreshed
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273 if (edit and abort):
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274 return # self.abortEdition is called by editor_widget.BaseTextEditor.edit
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275 self.setWysiwyg(False, init=True) # after editor_widget.BaseTextEditor (it affects self.getContent)
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276 if sync:
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277 return
351
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278 # the following must NOT be done at each UI refresh!
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279 content = self._original_content
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280 if edit:
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281 def getParamCb(syntax):
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282 # set the editable text in the current user-selected syntax
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283 def syntaxConvertCb(text=None):
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284 if text is not None:
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285 # Important: this also update self._original_content
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286 content.update({'text': text})
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287 content.update({'syntax': syntax})
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288 self.textarea.setText(content['text'])
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289 if hasattr(self, 'title_panel') and 'title' in content:
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290 self.title_panel.setText(content['title'])
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291 self.title_panel.setStackVisible(0, content['title'] != '')
352
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292 self.setToolBar(syntax)
351
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293 if content['text'] and content['syntax'] != syntax:
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294 self.host.bridge.call('syntaxConvert', syntaxConvertCb, content['text'], content['syntax'])
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295 else:
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296 syntaxConvertCb()
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297 self.host.bridge.call('asyncGetParamA', getParamCb, composition.PARAM_NAME_SYNTAX, composition.PARAM_KEY_COMPOSITION)
351
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298 else:
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299 if not self.initialized:
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300 # set the display text in XHTML only during init because a new MicroblogEntry instance is created after each modification
400
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301 self.setDisplayContent()
357
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302 self.display.edit(False)
351
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303
400
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304 def setDisplayContent(self):
648
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305 """Set the content of the editor_widget.HTMLTextEditor which is used for display/wysiwyg"""
400
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306 content = self._original_content
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307 text = content['text']
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308 if 'title' in content and content['title']:
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309 text = '<h1>%s</h1>%s' % (html_tools.html_sanitize(content['title']), content['text'])
400
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310 self.display.setContent({'text': text})
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311
351
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312 def setFocus(self, focus):
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313 self.textarea.setFocus(focus)
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314
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315 def abortEdition(self, content):
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316 """Ask for confirmation before closing the dialog."""
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317 def confirm_cb(answer):
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318 if answer:
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319 self.edit(False, True)
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320 _dialog = dialog.ConfirmDialog(confirm_cb, text="Do you really want to %s?" % ("cancel your changes" if self.update_msg else "cancel this message"))
357
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321 _dialog.cancel_button.setText(_("No"))
351
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322 _dialog.show()
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323
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324
362
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325 class EditTextArea(TextArea, KeyboardHandler):
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326 def __init__(self, _parent):
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327 TextArea.__init__(self)
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328 self._parent = _parent
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329 KeyboardHandler.__init__(self)
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330 self.addKeyboardListener(self)
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331
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332 def onKeyDown(self, sender=None, keycode=None, modifiers=None):
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333 for listener in self._parent.edit_listeners:
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334 listener(self, keycode, modifiers) # FIXME: edit_listeners must either be removed, or send an action instead of keycode/modifiers