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annotate browser_side/base_panels.py @ 347:f1ba38043d78

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browser_side: status panel is based on a new class LightTextEditor which uses HTML5 "editablecontent" property
author souliane <souliane@mailoo.org>
date Fri, 07 Feb 2014 20:14:11 +0100
parents 82f9e92379b0
children f488692c4903
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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) 2011, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.org>
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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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20 import pyjd # this is dummy in pyjs
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21 from pyjamas.ui.AbsolutePanel import AbsolutePanel
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22 from pyjamas.ui.VerticalPanel import VerticalPanel
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23 from pyjamas.ui.HorizontalPanel import HorizontalPanel
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24 from pyjamas.ui.HTMLPanel import HTMLPanel
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25 from pyjamas.ui.Button import Button
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26 from pyjamas.ui.HTML import HTML
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27 from pyjamas.ui.PopupPanel import PopupPanel
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28 from pyjamas.ui.StackPanel import StackPanel
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29 from pyjamas.ui.TextArea import TextArea
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30 from pyjamas.ui.Event import BUTTON_LEFT, BUTTON_MIDDLE, BUTTON_RIGHT
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31 from pyjamas.ui.KeyboardListener import KEY_ENTER, KeyboardHandler
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32 from pyjamas.ui.FocusListener import FocusHandler
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33 from pyjamas import DOM
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34
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35 from datetime import datetime
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36 from time import time
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38 from tools import html_sanitize, html_clean, inlineRoot
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39
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40 from sat_frontends.tools.strings import addURLToText
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41 from sat.core.i18n import _
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43
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44 class ChatText(HTMLPanel):
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45
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46 def __init__(self, timestamp, nick, mymess, msg, xhtml=None):
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47 _date = datetime.fromtimestamp(float(timestamp or time()))
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48 _msg_class = ["chat_text_msg"]
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49 if mymess:
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50 _msg_class.append("chat_text_mymess")
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51 HTMLPanel.__init__(self, "<span class='chat_text_timestamp'>%(timestamp)s</span> <span class='chat_text_nick'>%(nick)s</span> <span class='%(msg_class)s'>%(msg)s</span>" %
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52 {"timestamp": _date.strftime("%H:%M"),
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53 "nick": "[%s]" % html_sanitize(nick),
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54 "msg_class": ' '.join(_msg_class),
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55 "msg": addURLToText(html_sanitize(msg)) if not xhtml else inlineRoot(xhtml)} # FIXME: images and external links must be removed according to preferences
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56 )
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57 self.setStyleName('chatText')
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60 class Occupant(HTML):
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61 """Occupant of a MUC room"""
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63 def __init__(self, nick, special=""):
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64 HTML.__init__(self)
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65 self.nick = nick
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66 self.special = special
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67 self._refresh()
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68
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69 def __str__(self):
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70 return self.nick
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71
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72 def addSpecial(self, special):
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73 """@param special: unicode"""
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74 if special not in self.special:
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75 self.special += special
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76 self._refresh()
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77
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78 def removeSpecials(self, special):
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79 """@param special: unicode or list"""
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80 if not isinstance(special, list):
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81 special = [special]
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82 for symbol in special:
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83 self.special = self.special.replace(symbol, "")
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84 self._refresh()
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85
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86 def _refresh(self):
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87 special = "" if len(self.special) == 0 else " %s" % self.special
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88 self.setHTML("<div class='occupant'>%s%s</div>" % (html_sanitize(self.nick), special))
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90
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91 class OccupantsList(AbsolutePanel):
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92 """Panel user to show occupants of a room"""
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93
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94 def __init__(self):
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95 AbsolutePanel.__init__(self)
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96 self.occupants_list = {}
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97 self.setStyleName('occupantsList')
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98
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99 def addOccupant(self, nick):
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100 _occupant = Occupant(nick)
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101 self.occupants_list[nick] = _occupant
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102 self.add(_occupant)
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103
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104 def removeOccupant(self, nick):
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105 try:
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106 self.remove(self.occupants_list[nick])
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107 except KeyError:
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108 print "ERROR: trying to remove an unexisting nick"
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109
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110 def clear(self):
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111 self.occupants_list.clear()
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112 AbsolutePanel.clear(self)
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113
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114 def updateSpecials(self, occupants=[], html=""):
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115 """Set the specified html "symbol" to the listed occupants,
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116 and eventually remove it from the others (if they got it).
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117 This is used for example to visualize who is playing a game.
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118 @param occupants: list of the occupants that need the symbol
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119 @param html: unicode symbol (actually one character or more)
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120 or a list to assign different symbols of the same family.
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121 """
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122 index = 0
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123 special = html
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124 for occupant in self.occupants_list.keys():
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125 if occupant in occupants:
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126 if isinstance(html, list):
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127 special = html[index]
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128 index = (index + 1) % len(html)
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129 self.occupants_list[occupant].addSpecial(special)
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130 else:
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131 self.occupants_list[occupant].removeSpecials(html)
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132
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133
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134 class PopupMenuPanel(PopupPanel):
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135 """This implementation of a popup menu (context menu) allow you to assign
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136 two special methods which are common to all the items, in order to hide
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137 certain items and also easily define their callbacks. The menu can be
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138 bound to any of the mouse button (left, middle, right).
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139 """
279
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140 def __init__(self, entries, hide=None, callback=None, vertical=True, style={}, **kwargs):
241
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141 """
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142 @param entries: a dict of dicts, where each sub-dict is representing
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143 one menu item: the sub-dict key can be used as the item text and
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144 description, but optional "title" and "desc" entries would be used
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145 if they exists. The sub-dicts may be extended later to do
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146 more complicated stuff or overwrite the common methods.
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147 @param hide: function with 2 args: widget, key as string and
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148 returns True if that item should be hidden from the context menu.
279
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149 @param callback: function with 2 args: sender, key as string
241
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150 @param vertical: True or False, to set the direction
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151 @param item_style: alternative CSS class for the menu items
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152 @param menu_style: supplementary CSS class for the sender widget
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153 """
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154 PopupPanel.__init__(self, autoHide=True, **kwargs)
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155 self._entries = entries
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156 self._hide = hide
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157 self._callback = callback
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158 self.vertical = vertical
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159 self.style = {"selected": None, "menu": "recipientTypeMenu", "item": "popupMenuItem"}
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160 self.style.update(style)
241
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161 self._senders = {}
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162
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163 def _show(self, sender):
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164 """Popup the menu relative to this sender's position.
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165 @param sender: the widget that has been clicked
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166 """
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167 menu = VerticalPanel() if self.vertical is True else HorizontalPanel()
279
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168 menu.setStyleName(self.style["menu"])
241
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169
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170 def button_cb(item):
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171 """You can not put that method in the loop and rely
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172 on _key, because it is overwritten by each step.
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173 You can rely on item.key instead, which is copied
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174 from _key after the item creation.
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175 @param item: the menu item that has been clicked
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176 """
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177 if self._callback is not None:
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178 self._callback(sender=sender, key=item.key)
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179 self.hide(autoClosed=True)
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180
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181 for _key in self._entries.keys():
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182 entry = self._entries[_key]
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183 if self._hide is not None and self._hide(sender=sender, key=_key) is True:
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184 continue
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185 title = entry["title"] if "title" in entry.keys() else _key
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186 item = Button(title, button_cb)
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187 item.key = _key
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188 item.setStyleName(self.style["item"])
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189 item.setTitle(entry["desc"] if "desc" in entry.keys() else title)
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190 menu.add(item)
242
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191 if len(menu.getChildren()) == 0:
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192 return
241
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193 self.add(menu)
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194 if self.vertical is True:
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195 x = sender.getAbsoluteLeft() + sender.getOffsetWidth()
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196 y = sender.getAbsoluteTop()
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197 else:
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198 x = sender.getAbsoluteLeft()
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199 y = sender.getAbsoluteTop() + sender.getOffsetHeight()
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200 self.setPopupPosition(x, y)
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201 self.show()
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202 if self.style["selected"]:
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203 sender.addStyleDependentName(self.style["selected"])
241
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204
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205 def _onHide(popup):
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206 if self.style["selected"]:
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207 sender.removeStyleDependentName(self.style["selected"])
241
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208 return PopupPanel.onHideImpl(self, popup)
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209
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210 self.onHideImpl = _onHide
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211
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212 def registerClickSender(self, sender, button=BUTTON_LEFT):
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213 """Bind the menu to the specified sender.
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214 @param sender: the widget to which the menu should be bound
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215 @param: BUTTON_LEFT, BUTTON_MIDDLE or BUTTON_RIGHT
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216 """
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217 self._senders.setdefault(sender, [])
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218 self._senders[sender].append(button)
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219
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220 if button == BUTTON_RIGHT:
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221 # WARNING: to disable the context menu is a bit tricky...
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222 # The following seems to work on Firefox 24.0, but:
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223 # TODO: find a cleaner way to disable the context menu
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224 sender.getElement().setAttribute("oncontextmenu", "return false")
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225
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226 def _onBrowserEvent(event):
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227 button = DOM.eventGetButton(event)
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228 if DOM.eventGetType(event) == "mousedown" and button in self._senders[sender]:
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229 self._show(sender)
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230 return sender.__class__.onBrowserEvent(sender, event)
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231
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232 sender.onBrowserEvent = _onBrowserEvent
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233
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234 def registerMiddleClickSender(self, sender):
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235 self.registerClickSender(sender, BUTTON_MIDDLE)
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236
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237 def registerRightClickSender(self, sender):
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238 self.registerClickSender(sender, BUTTON_RIGHT)
264
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239
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240
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241 class ToggleStackPanel(StackPanel):
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242 """This is a pyjamas.ui.StackPanel with modified behavior. All sub-panels ca be
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243 visible at the same time, clicking a sub-panel header will not display it and hide
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244 the others but only toggle its own visibility. The argument 'visibleStack' is ignored.
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245 Note that the argument 'visible' has been added to listener's 'onStackChanged' method.
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246 """
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247
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248 def __init__(self, **kwargs):
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249 StackPanel.__init__(self, **kwargs)
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250
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251 def onBrowserEvent(self, event):
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252 if DOM.eventGetType(event) == "click":
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253 index = self.getDividerIndex(DOM.eventGetTarget(event))
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254 if index != -1:
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255 self.toggleStack(index)
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256
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257 def add(self, widget, stackText="", asHTML=False, visible=False):
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258 StackPanel.add(self, widget, stackText, asHTML)
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259 self.setStackVisible(self.getWidgetCount() - 1, visible)
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260
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261 def toggleStack(self, index):
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262 if index >= self.getWidgetCount():
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263 return
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264 visible = not self.getWidget(index).getVisible()
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265 self.setStackVisible(index, visible)
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266 for listener in self.stackListeners:
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267 listener.onStackChanged(self, index, visible)
346
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268
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269
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270 class TitlePanel(ToggleStackPanel):
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271 """A toggle panel to set the message title"""
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272 def __init__(self):
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273 ToggleStackPanel.__init__(self, Width="100%")
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274 self.text_area = TextArea()
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275 self.add(self.text_area, _("Title"))
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276 self.addStackChangeListener(self)
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277
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278 def onStackChanged(self, sender, index, visible=None):
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279 if visible is None:
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280 visible = sender.getWidget(index).getVisible()
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281 text = self.text_area.getText()
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282 suffix = "" if (visible or not text) else (": %s" % text)
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283 sender.setStackText(index, _("Title") + suffix)
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284
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285 def getText(self):
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286 return self.text_area.getText()
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287
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288 def setText(self, text):
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289 self.text_area.setText(text)
347
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290
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291
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292 class LightTextEditor(HTML, FocusHandler, KeyboardHandler):
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293
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294 def __init__(self, content='', single_line=False, callback=None):
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295 HTML.__init__(self)
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296 if single_line:
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297 FocusHandler.__init__(self)
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298 KeyboardHandler.__init__(self)
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299 self.__single_line = single_line
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300 self.__callback = callback
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301 self.setContent(content)
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302
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303 def setContent(self, content=''):
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304 self.__original_content = html_clean(content) if self.__single_line else content.strip()
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305 self.setHTML('<div>%s</div>' % self.__original_content)
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306
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307 def getContent(self):
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308 content = DOM.getInnerHTML(self.getElement().firstChild)
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309 return html_clean(content) if self.__single_line else content.strip()
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310
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311 def modified(self, content=None):
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312 if content is None:
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313 content = self.getContent()
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314 return content != self.__original_content
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315
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316 def edit(self, edit):
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317 self.getElement().setAttribute('contenteditable', 'true' if edit else 'false')
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318 if edit:
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319 self.setFocus(True)
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320 if self.__single_line:
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321 self.addFocusListener(self)
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322 self.addKeyboardListener(self)
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323 else:
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324 if self.__single_line:
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325 self.removeFocusListener(self)
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326 self.removeKeyboardListener(self)
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327 content = self.getContent()
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328 if self.modified(content) and self.__callback:
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329 self.__callback(content)
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330
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331 def setFocus(self, focus):
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332 if focus:
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333 self.getElement().focus()
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334 else:
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335 self.getElement().blur()
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336
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337 def onKeyDown(self, sender, keycode, modifiers):
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338 if keycode == KEY_ENTER:
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339 self.setFocus(False)
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340
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341 def onLostFocus(self, sender):
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342 self.edit(False)