annotate browser_side/richtext.py @ 355:9bb78c09e9fc

browser_side: wysiwyg edition handles the toolbar buttons
author souliane <souliane@mailoo.org>
date Thu, 13 Feb 2014 10:32:26 +0100
parents ddb909ab5cbc
children b95099a1d11b
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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 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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11
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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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16
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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 pyjamas.ui.TextArea import TextArea
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21 from pyjamas.ui.Button import Button
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22 from pyjamas.ui.CheckBox import CheckBox
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23 from pyjamas.ui.DialogBox import DialogBox
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24 from pyjamas.ui.Label import Label
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25 from pyjamas.ui.HTML import HTML
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26 from pyjamas.ui.FlexTable import FlexTable
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27 from pyjamas.ui.HorizontalPanel import HorizontalPanel
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28 from pyjamas import Window
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29 from __pyjamas__ import doc
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30
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31 from constants import Const
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32 from dialog import ConfirmDialog, InfoDialog
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33 from base_panels import TitlePanel, BaseTextEditor, LightTextEditor
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34 from list_manager import ListManager
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35 import panels
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36
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37 from sat_frontends.tools import composition
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38 from sat.core.i18n import _
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40
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41 class RichTextEditor(BaseTextEditor, FlexTable):
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42 """Panel for the rich text editor."""
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43
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44 def __init__(self, host, content=None, modifiedCb=None, afterEditCb=None, options=None, style=None):
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45 """
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46 @param host: the SatWebFrontend instance
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47 @param content: dict with at least a 'text' key
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48 @param modifiedCb: method to be called when the text has been modified
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49 @param afterEditCb: method to be called when the edition is done
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50 @param options: list of UI options (see self.readOptions)
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51 """
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52 self.host = host
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53 self._debug = False # TODO: don't forget to set it False before commit
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54 self.wysiwyg = False
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55 self.__readOptions(options)
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56 self.style = {'main': 'richTextEditor',
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57 'title': 'richTextTitle',
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58 'toolbar': 'richTextToolbaar',
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59 'textarea': 'richTextArea'}
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60 if isinstance(style, dict):
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61 self.style.update(style)
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62 self._prepareUI()
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63 BaseTextEditor.__init__(self, content, None, modifiedCb, afterEditCb)
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64
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65 def __readOptions(self, options):
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66 """Set the internal flags according to the given options."""
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67 if options is None:
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68 options = []
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69 self.read_only = 'read_only' in options
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70 self.update_msg = 'update_msg' in options
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71 self.no_title = 'no_title' in options or self.read_only
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72 self.no_command = 'no_command' in options or self.read_only
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73
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74 def _prepareUI(self, y_offset=0):
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75 """Prepare the UI to host title panel, toolbar, text area...
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76 @param y_offset: Y offset to start from (extra rows on top)"""
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77 if not self.read_only:
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78 self.title_offset = y_offset
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79 self.toolbar_offset = self.title_offset + (0 if self.no_title else 1)
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80 self.content_offset = self.toolbar_offset + (len(composition.RICH_SYNTAXES) if self._debug else 1)
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81 self.command_offset = self.content_offset + 1
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82 FlexTable.__init__(self, self.command_offset + (0 if self.no_command else 1), 2)
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83 self.addStyleName(self.style['main'])
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84
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85 def refresh(self, edit=None):
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86 """Refresh the UI for edition/display mode
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87 @param edit: set to True to display the edition mode"""
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88 if edit is None:
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89 edit = hasattr(self, 'textarea') and self.textarea.getVisible()
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91 for widget in ['title_panel', 'command']:
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92 if hasattr(self, widget):
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93 getattr(self, widget).setVisible(edit)
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94
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95 if hasattr(self, 'toolbar'):
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96 self.toolbar.setVisible(False)
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97 if not hasattr(self, 'display'):
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98 self.display = LightTextEditor() # for display mode
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99 if not self.read_only and not hasattr(self, 'textarea'):
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100 self.textarea = TextArea() # for edition mode
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101 self.textarea.addStyleName(self.style['textarea'])
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102
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103 self.getFlexCellFormatter().setColSpan(self.content_offset, 0, 2)
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104 if edit and not self.wysiwyg:
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105 self.textarea.setWidth('100%') # CSS width doesn't do it, don't know why
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106 self.setWidget(self.content_offset, 0, self.textarea)
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107 else:
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108 self.setWidget(self.content_offset, 0, self.display)
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109 if not edit:
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110 return
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111
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112 if not self.no_title and not hasattr(self, 'title_panel'):
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113 self.title_panel = TitlePanel()
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114 self.title_panel.addStyleName(self.style['title'])
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115 self.getFlexCellFormatter().setColSpan(self.title_offset, 0, 2)
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116 self.setWidget(self.title_offset, 0, self.title_panel)
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117
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118 if not self.no_command and not hasattr(self, 'command'):
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119 self.command = HorizontalPanel()
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120 self.command.addStyleName("marginAuto")
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121 self.command.add(Button("Cancel", lambda: self.edit(True, True)))
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122 self.command.add(Button("Update" if self.update_msg else "Send message", lambda: self.edit(False)))
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123 self.getFlexCellFormatter().setColSpan(self.command_offset, 0, 2)
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124 self.setWidget(self.command_offset, 0, self.command)
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125
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126 def setToolBar(self, syntax):
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127 """This method is called asynchronously after the parameter
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128 holding the rich text syntax is retrieved. It is called at
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129 each call of self.edit(True) because the user may
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130 have change his setting since the last time."""
351
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131 if syntax is None or syntax not in composition.RICH_SYNTAXES.keys():
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132 syntax = composition.RICH_SYNTAXES.keys()[0]
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133 if hasattr(self, "toolbar") and self.toolbar.syntax == syntax:
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134 self.toolbar.setVisible(True)
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135 return
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136 count = 0
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137 for syntax in composition.RICH_SYNTAXES.keys() if self._debug else [syntax]:
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138 self.toolbar = HorizontalPanel()
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139 self.toolbar.syntax = syntax
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140 self.toolbar.addStyleName(self.style['toolbar'])
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141 for key in composition.RICH_SYNTAXES[syntax].keys():
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142 self.addToolbarButton(syntax, key)
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143 label = Label(_("Syntax: %s") % syntax)
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144 label.addStyleName("richTextSyntaxLabel")
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145 self.toolbar.add(label)
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146 self.wysiwyg_button = CheckBox('Wysiwyg edition')
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147 wysiywgCb = lambda sender: self.setWysiwyg(sender.getChecked())
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148 self.wysiwyg_button.addClickListener(wysiywgCb)
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149 self.toolbar.add(self.wysiwyg_button)
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150 self.getFlexCellFormatter().setColSpan(self.toolbar_offset + count, 0, 2)
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151 self.setWidget(self.toolbar_offset + count, 0, self.toolbar)
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152 count += 1
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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
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160 if hasattr(self, 'wysiwyg_button'):
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161 self.wysiwyg_button.setChecked(wysiwyg)
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162 if not wysiwyg:
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163 self.display.removeStyleName('richTextWysiwyg')
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164
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165 if init:
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166 setWysiwyg()
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167 return
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168
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169 self.getFlexCellFormatter().setColSpan(self.content_offset, 0, 2)
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170 if wysiwyg:
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171 def syntaxConvertCb(text):
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172 self.display.setContent({'text': text})
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173 self.textarea.removeFromParent() # XXX: force as it is not always done...
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174 self.setWidget(self.content_offset, 0, self.display)
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175 self.display.addStyleName('richTextWysiwyg')
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176 self.display.edit(True)
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177 content = self.getContent()
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178 if content['text'] and content['syntax'] != Const.SYNTAX_XHTML:
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179 self.host.bridge.call('syntaxConvert', syntaxConvertCb, content['text'], content['syntax'], Const.SYNTAX_XHTML)
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180 else:
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181 syntaxConvertCb(content['text'])
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182 else:
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183 syntaxConvertCb = lambda text: self.textarea.setText(text)
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184 text = self.display.getContent()['text']
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185 if text and self.toolbar.syntax != Const.SYNTAX_XHTML:
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186 self.host.bridge.call('syntaxConvert', syntaxConvertCb, text)
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187 else:
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188 syntaxConvertCb(text)
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189 self.setWidget(self.content_offset, 0, self.textarea)
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190 self.textarea.setWidth('100%') # CSS width doesn't do it, don't know why
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191
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192 setWysiwyg() # do it in the end because it affects self.getContent
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193
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194 def addToolbarButton(self, syntax, key):
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195 """Add a button with the defined parameters."""
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196 button = Button('<img src="%s" class="richTextIcon" />' %
254
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197 composition.RICH_BUTTONS[key]["icon"])
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198 button.setTitle(composition.RICH_BUTTONS[key]["tip"])
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199 button.addStyleName('richTextToolButton')
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200 self.toolbar.add(button)
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201
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202 def buttonCb():
232
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203 """Generic callback for a toolbar button."""
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204 text = self.textarea.getText()
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205 cursor_pos = self.textarea.getCursorPos()
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206 selection_length = self.textarea.getSelectionLength()
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207 data = composition.RICH_SYNTAXES[syntax][key]
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208 if selection_length == 0:
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209 middle_text = data[1]
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210 else:
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211 middle_text = text[cursor_pos:cursor_pos + selection_length]
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212 self.textarea.setText(text[:cursor_pos]
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213 + data[0]
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214 + middle_text
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215 + data[2]
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216 + text[cursor_pos + selection_length:])
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217 self.textarea.setCursorPos(cursor_pos + len(data[0]) + len(middle_text))
232
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218 self.textarea.setFocus(True)
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219
355
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220 def wysiwygCb():
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221 """Callback for a toolbar button while wysiwyg mode is enabled."""
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222 data = composition.COMMANDS[key]
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223
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224 def execCommand(command, arg):
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225 self.display.setFocus(True)
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226 doc().execCommand(command, False, arg.strip() if arg else '')
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227 # use Window.prompt instead of dialog.PromptDialog to not loose the focus
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228 prompt = lambda command, text: execCommand(command, Window.prompt(text))
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229 if isinstance(data, tuple) or isinstance(data, list):
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230 if data[1]:
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231 prompt(data[0], data[1])
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232 else:
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233 execCommand(data[0], data[2])
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234 else:
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235 execCommand(data, False, '')
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236
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237 button.addClickListener(lambda: wysiwygCb() if self.wysiwyg else buttonCb())
232
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238
351
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239 def getContent(self):
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240 assert(hasattr(self, 'textarea'))
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241 assert(hasattr(self, 'toolbar'))
353
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242 if self.wysiwyg:
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243 content = {'text': self.display.getContent()['text'], 'syntax': Const.SYNTAX_XHTML}
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244 else:
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245 content = {'text': self.strproc(self.textarea.getText()), 'syntax': self.toolbar.syntax}
351
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246 if hasattr(self, 'title_panel'):
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diff changeset
247 content.update({'title': self.strproc(self.title_panel.getText())})
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248 return content
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249
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250 def edit(self, edit=False, abort=False, sync=False):
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251 """
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diff changeset
252 Remark: the editor must be visible before you call this method.
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253 @param edit: set to True to edit the content or False to only display it
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254 @param abort: set to True to cancel the edition and loose the changes.
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255 If edit and abort are both True, self.abortEdition can be used to ask for a
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diff changeset
256 confirmation. When edit is False and abort is True, abortion is actually done.
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257 @param sync: set to True to cancel the edition after the content has been saved somewhere else
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258 """
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259 self.refresh(edit)
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diff changeset
260 BaseTextEditor.edit(self, edit, abort, sync)
353
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261 if (edit and abort):
351
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diff changeset
262 return
353
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diff changeset
263 self.setWysiwyg(False, init=True) # /!\ it affects self.getContent
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diff changeset
264 if sync:
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diff changeset
265 return
351
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266 # the following must NOT be done at each UI refresh!
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267 content = self._original_content
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268 if edit:
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diff changeset
269 def getParamCb(syntax):
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diff changeset
270 # set the editable text in the current user-selected syntax
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271 def syntaxConvertCb(text=None):
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272 if text is not None:
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diff changeset
273 # Important: this also update self._original_content
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274 content.update({'text': text})
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diff changeset
275 content.update({'syntax': syntax})
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276 self.textarea.setText(content['text'])
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277 if hasattr(self, 'title_panel') and 'title' in content:
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278 self.title_panel.setText(content['title'])
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diff changeset
279 self.title_panel.setStackVisible(0, content['title'] != '')
352
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diff changeset
280 self.setToolBar(syntax)
351
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281 if content['text'] and content['syntax'] != syntax:
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diff changeset
282 self.host.bridge.call('syntaxConvert', syntaxConvertCb, content['text'], content['syntax'])
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diff changeset
283 else:
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284 syntaxConvertCb()
352
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diff changeset
285 self.host.bridge.call('asyncGetParamA', getParamCb, composition.PARAM_NAME_SYNTAX, composition.PARAM_KEY_COMPOSITION)
351
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diff changeset
286 else:
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diff changeset
287 if not self.initialized:
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diff changeset
288 # set the display text in XHTML only during init because a new MicroblogEntry instance is created after each modification
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diff changeset
289 text = content['text']
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290 if 'title' in content and content['title']:
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diff changeset
291 text = '<h1>%s</h1>%s' % (content['title'], content['text'])
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diff changeset
292 self.display.setContent({'text': text})
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293 self.display.edit(False)
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294
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diff changeset
295 def setFocus(self, focus):
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296 self.textarea.setFocus(focus)
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297
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diff changeset
298 def abortEdition(self, content):
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diff changeset
299 """Ask for confirmation before closing the dialog."""
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diff changeset
300 def confirm_cb(answer):
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diff changeset
301 if answer:
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diff changeset
302 self.edit(False, True)
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303 _dialog = ConfirmDialog(confirm_cb, text="Do you really want to %s?" % ("cancel your changes" if self.update_msg else "cancel this message"))
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304 _dialog.show()
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diff changeset
305
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diff changeset
306
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diff changeset
307 class RichMessageEditor(RichTextEditor):
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diff changeset
308 """Use the rich text editor for sending messages with extended addressing.
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diff changeset
309 Recipient panels are on top and data may be synchronized from/to the unibox."""
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diff changeset
310
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diff changeset
311 @classmethod
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diff changeset
312 def getOrCreate(cls, host, parent=None, callback=None):
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313 """Get or create the message editor associated to that host.
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diff changeset
314 Add it to parent if parent is not None, otherwise display it
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diff changeset
315 in a popup dialog.
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diff changeset
316 @param host: the host
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diff changeset
317 @param parent: parent panel (or None to display in a popup).
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318 @return: the RichTextEditor instance if parent is not None,
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diff changeset
319 otherwise a popup DialogBox containing the RichTextEditor.
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diff changeset
320 """
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321 if not hasattr(host, 'richtext'):
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diff changeset
322 modifiedCb = lambda content: True
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diff changeset
323
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diff changeset
324 def afterEditCb(content):
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diff changeset
325 if hasattr(host.richtext, 'popup'):
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diff changeset
326 host.richtext.popup.hide()
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diff changeset
327 else:
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diff changeset
328 host.richtext.setVisible(False)
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diff changeset
329 callback()
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330 options = ['no_title']
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331 style = {'main': 'richMessageEditor', 'textarea': 'richMessageArea'}
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diff changeset
332 host.richtext = RichMessageEditor(host, None, modifiedCb, afterEditCb, options, style)
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diff changeset
333
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diff changeset
334 def add(widget, parent):
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diff changeset
335 if widget.getParent() is not None:
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diff changeset
336 if widget.getParent() != parent:
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diff changeset
337 widget.removeFromParent()
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diff changeset
338 parent.add(widget)
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diff changeset
339 else:
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diff changeset
340 parent.add(widget)
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diff changeset
341 widget.setVisible(True)
352
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diff changeset
342 widget.initialized = False # fake a new creation
351
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diff changeset
343 widget.edit(True)
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diff changeset
344
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diff changeset
345 if parent is None:
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diff changeset
346 if not hasattr(host.richtext, 'popup'):
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diff changeset
347 host.richtext.popup = DialogBox(autoHide=False, centered=True)
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diff changeset
348 host.richtext.popup.setHTML("Compose your message")
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diff changeset
349 host.richtext.popup.add(host.richtext)
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diff changeset
350 add(host.richtext, host.richtext.popup)
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diff changeset
351 host.richtext.popup.center()
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diff changeset
352 else:
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diff changeset
353 add(host.richtext, parent)
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diff changeset
354 return host.richtext.popup if parent is None else host.richtext
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diff changeset
355
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diff changeset
356 def _prepareUI(self, y_offset=0):
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diff changeset
357 """Prepare the UI to host recipients panel, toolbar, text area...
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diff changeset
358 @param y_offset: Y offset to start from (extra rows on top)"""
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diff changeset
359 self.recipient_offset = y_offset
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diff changeset
360 self.recipient_spacer_offset = self.recipient_offset + len(composition.RECIPIENT_TYPES)
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diff changeset
361 RichTextEditor._prepareUI(self, self.recipient_spacer_offset + 1)
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diff changeset
362
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diff changeset
363 def refresh(self, edit=None):
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diff changeset
364 """Refresh the UI between edition/display mode
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diff changeset
365 @param edit: set to True to display the edition mode"""
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diff changeset
366 if edit is None:
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diff changeset
367 edit = hasattr(self, 'textarea') and self.textarea.getVisible()
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diff changeset
368 RichTextEditor.refresh(self, edit)
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diff changeset
369
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diff changeset
370 for widget in ['recipient', 'recipient_spacer']:
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diff changeset
371 if hasattr(self, widget):
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diff changeset
372 getattr(self, widget).setVisible(edit)
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diff changeset
373
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diff changeset
374 if not edit:
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diff changeset
375 return
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diff changeset
376
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diff changeset
377 if not hasattr(self, 'recipient'):
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diff changeset
378 # recipient types sub-panels are automatically added by the manager
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diff changeset
379 self.recipient = RecipientManager(self, self.recipient_offset)
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diff changeset
380 self.recipient.createWidgets(title_format="%s: ")
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diff changeset
381 self.recipient_spacer = HTML('')
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diff changeset
382 self.recipient_spacer.setStyleName('recipientSpacer')
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diff changeset
383 self.getFlexCellFormatter().setColSpan(self.recipient_spacer_offset, 0, 2)
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diff changeset
384 self.setWidget(self.recipient_spacer_offset, 0, self.recipient_spacer)
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parents: 346
diff changeset
385
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diff changeset
386 if not hasattr(self, 'sync_button'):
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diff changeset
387 self.sync_button = Button("Back to quick box", lambda: self.edit(True, sync=True))
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diff changeset
388 self.command.insert(self.sync_button, 1)
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389
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390 def syncToEditor(self):
232
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391 """Synchronize from unibox."""
351
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392 def setContent(target, data):
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393 if hasattr(self, 'recipient'):
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394 self.recipient.setContacts({"To": [target]} if target else {})
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395 self.setContent({'text': data if data else '', 'syntax': ''})
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396 self.textarea.setText(data if data else '')
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397 data, target = self.host.uni_box.getTargetAndData() if self.host.uni_box else (None, None)
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398 setContent(target, data)
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399
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400 def __syncToUniBox(self, recipients=None, emptyText=False):
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401 """Synchronize to unibox if a maximum of one recipient is set.
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402 @return True if the sync could be done, False otherwise"""
309
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403 if not self.host.uni_box:
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404 return
352
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405 setText = lambda: self.host.uni_box.setText("" if emptyText else self.getContent()['text'])
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406 if not hasattr(self, 'recipient'):
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407 setText()
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408 return True
232
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409 if recipients is None:
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410 recipients = self.recipient.getContacts()
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411 target = ""
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412 # we could eventually allow more in the future
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413 allowed = 1
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414 for key in recipients:
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415 count = len(recipients[key])
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416 if count == 0:
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417 continue
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418 allowed -= count
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419 if allowed < 0:
232
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420 return False
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421 # TODO: change this if later more then one recipients are allowed
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422 target = recipients[key][0]
281
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423 setText()
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424 if target == "":
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425 return True
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426 if target.startswith("@"):
351
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427 _class = panels.MicroblogPanel
232
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428 target = None if target == "@@" else target[1:]
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429 else:
351
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430 _class = panels.ChatPanel
232
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431 self.host.getOrCreateLiberviaWidget(_class, target)
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432 return True
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433
351
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434 def syncFromEditor(self, content):
232
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435 """Synchronize to unibox and close the dialog afterward. Display
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436 a message and leave the dialog open if the sync was not possible."""
351
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437 if self.__syncToUniBox():
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438 self._afterEditCb(content)
232
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439 return
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440 InfoDialog("Too many recipients",
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441 "A message with more than one direct recipient (To)," +
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442 " or with any special recipient (Cc or Bcc), could not be" +
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443 " stored in the quick box.\n\nPlease finish your composing" +
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444 " in the rich text editor, and send your message directly" +
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445 " from here.", Width="400px").center()
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446
351
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447 def edit(self, edit=True, abort=False, sync=False):
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diff changeset
448 if not edit and not abort and not sync: # force sending message even when the text has not been modified
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449 if not self.__sendMessage(): # message has not been sent (missing information), do nothing
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450 return
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451 RichTextEditor.edit(self, edit, abort, sync)
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diff changeset
452
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diff changeset
453 def __sendMessage(self):
232
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454 """Send the message."""
254
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diff changeset
455 recipients = self.recipient.getContacts()
280
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diff changeset
456 targets = []
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457 for addr in recipients:
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diff changeset
458 for recipient in recipients[addr]:
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diff changeset
459 if recipient.startswith("@"):
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460 targets.append(("PUBLIC", None, addr) if recipient == "@@" else ("GROUP", recipient[1:], addr))
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461 else:
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diff changeset
462 targets.append(("chat", recipient, addr))
270
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diff changeset
463 # check that we actually have a message target and data
352
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diff changeset
464 content = self.getContent()
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diff changeset
465 if content['text'] == "" or len(targets) == 0:
270
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diff changeset
466 InfoDialog("Missing information",
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diff changeset
467 "Some information are missing and the message hasn't been sent.", Width="400px").center()
351
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diff changeset
468 return None
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diff changeset
469 self.__syncToUniBox(recipients, emptyText=True)
352
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diff changeset
470 extra = {'content_rich': content['text']}
351
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diff changeset
471 if hasattr(self, 'title_panel'):
352
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diff changeset
472 extra.update({'title': content['title']})
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diff changeset
473 self.host.send(targets, content['text'], extra=extra)
351
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diff changeset
474 return True
254
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diff changeset
475
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parents: 234
diff changeset
476
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diff changeset
477 class RecipientManager(ListManager):
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diff changeset
478 """A manager for sub-panels to set the recipients for each recipient type."""
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diff changeset
479
324
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diff changeset
480 def __init__(self, parent, y_offset=0):
254
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diff changeset
481 # TODO: be sure we also display empty groups and disconnected contacts + their groups
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diff changeset
482 # store the full list of potential recipients (groups and contacts)
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diff changeset
483 list_ = []
263
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diff changeset
484 list_.append("@@")
254
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diff changeset
485 list_.extend("@%s" % group for group in parent.host.contact_panel.getGroups())
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diff changeset
486 list_.extend(contact for contact in parent.host.contact_panel.getContacts())
324
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diff changeset
487 ListManager.__init__(self, parent, composition.RECIPIENT_TYPES, list_, {'y': y_offset})
254
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diff changeset
488
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diff changeset
489 self.registerPopupMenuPanel(entries=composition.RECIPIENT_TYPES,
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diff changeset
490 hide=lambda sender, key: self.__children[key]["panel"].isVisible(),
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diff changeset
491 callback=self.setContactPanelVisible)