Mercurial > libervia-web
annotate browser_side/base_panels.py @ 398:462fc3359ee3
browser_side: radiocol accepts mime type audio/mp3 in addition to audio/mpeg
author | souliane <souliane@mailoo.org> |
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date | Tue, 11 Mar 2014 12:31:29 +0100 |
parents | 98cd5387d291 |
children | 487dd238ab88 |
rev | line source |
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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 |
340 | 5 # Copyright (C) 2011, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.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. |
18
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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 import pyjd # this is dummy in pyjs |
33 | 21 from pyjamas.ui.AbsolutePanel import AbsolutePanel |
18
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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 |
83 | 25 from pyjamas.ui.Button import Button |
33 | 26 from pyjamas.ui.HTML import HTML |
241
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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 |
241
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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 |
18
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33 from pyjamas import DOM |
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34 |
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35 from datetime import datetime |
19 | 36 from time import time |
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37 |
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38 from html_tools import html_sanitize, html_strip, inlineRoot |
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39 |
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40 from sat_frontends.tools.strings import addURLToText, addURLToImage |
346
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41 from sat.core.i18n import _ |
20 | 42 |
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43 |
19 | 44 class ChatText(HTMLPanel): |
45 | |
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46 def __init__(self, timestamp, nick, mymess, msg, xhtml=None): |
19 | 47 _date = datetime.fromtimestamp(float(timestamp or time())) |
48 _msg_class = ["chat_text_msg"] | |
49 if mymess: | |
50 _msg_class.append("chat_text_mymess") | |
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 ) |
19 | 57 self.setStyleName('chatText') |
33 | 58 |
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59 |
33 | 60 class Occupant(HTML): |
61 """Occupant of a MUC room""" | |
62 | |
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63 def __init__(self, nick, special=""): |
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64 HTML.__init__(self) |
33 | 65 self.nick = nick |
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66 self.special = special |
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67 self._refresh() |
35 | 68 |
69 def __str__(self): | |
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70 return self.nick |
33 | 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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89 |
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90 |
33 | 91 class OccupantsList(AbsolutePanel): |
92 """Panel user to show occupants of a room""" | |
93 | |
94 def __init__(self): | |
95 AbsolutePanel.__init__(self) | |
35 | 96 self.occupants_list = {} |
33 | 97 self.setStyleName('occupantsList') |
98 | |
99 def addOccupant(self, nick): | |
35 | 100 _occupant = Occupant(nick) |
101 self.occupants_list[nick] = _occupant | |
102 self.add(_occupant) | |
33 | 103 |
35 | 104 def removeOccupant(self, nick): |
105 try: | |
106 self.remove(self.occupants_list[nick]) | |
107 except KeyError: | |
108 print "ERROR: trying to remove an unexisting nick" | |
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109 |
35 | 110 def clear(self): |
111 self.occupants_list.clear() | |
112 AbsolutePanel.clear(self) | |
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 """ |
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140 def __init__(self, entries, hide=None, callback=None, vertical=True, style=None, **kwargs): |
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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. |
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149 @param callback: function with 2 args: sender, key as string |
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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 if isinstance(style, dict): |
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161 self.style.update(style) |
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162 self._senders = {} |
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163 |
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164 def _show(self, sender): |
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165 """Popup the menu relative to this sender's position. |
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166 @param sender: the widget that has been clicked |
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167 """ |
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168 menu = VerticalPanel() if self.vertical is True else HorizontalPanel() |
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169 menu.setStyleName(self.style["menu"]) |
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170 |
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171 def button_cb(item): |
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172 """You can not put that method in the loop and rely |
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173 on _key, because it is overwritten by each step. |
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174 You can rely on item.key instead, which is copied |
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175 from _key after the item creation. |
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176 @param item: the menu item that has been clicked |
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177 """ |
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178 if self._callback is not None: |
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179 self._callback(sender=sender, key=item.key) |
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180 self.hide(autoClosed=True) |
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181 |
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182 for _key in self._entries.keys(): |
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183 entry = self._entries[_key] |
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184 if self._hide is not None and self._hide(sender=sender, key=_key) is True: |
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185 continue |
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186 title = entry["title"] if "title" in entry.keys() else _key |
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187 item = Button(title, button_cb) |
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188 item.key = _key |
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189 item.setStyleName(self.style["item"]) |
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190 item.setTitle(entry["desc"] if "desc" in entry.keys() else title) |
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191 menu.add(item) |
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192 if len(menu.getChildren()) == 0: |
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193 return |
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194 self.add(menu) |
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195 if self.vertical is True: |
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196 x = sender.getAbsoluteLeft() + sender.getOffsetWidth() |
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197 y = sender.getAbsoluteTop() |
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198 else: |
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199 x = sender.getAbsoluteLeft() |
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200 y = sender.getAbsoluteTop() + sender.getOffsetHeight() |
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201 self.setPopupPosition(x, y) |
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202 self.show() |
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203 if self.style["selected"]: |
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204 sender.addStyleDependentName(self.style["selected"]) |
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205 |
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206 def _onHide(popup): |
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207 if self.style["selected"]: |
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208 sender.removeStyleDependentName(self.style["selected"]) |
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209 return PopupPanel.onHideImpl(self, popup) |
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210 |
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211 self.onHideImpl = _onHide |
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212 |
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213 def registerClickSender(self, sender, button=BUTTON_LEFT): |
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214 """Bind the menu to the specified sender. |
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215 @param sender: the widget to which the menu should be bound |
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216 @param: BUTTON_LEFT, BUTTON_MIDDLE or BUTTON_RIGHT |
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217 """ |
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218 self._senders.setdefault(sender, []) |
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219 self._senders[sender].append(button) |
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220 |
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221 if button == BUTTON_RIGHT: |
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222 # WARNING: to disable the context menu is a bit tricky... |
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223 # The following seems to work on Firefox 24.0, but: |
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224 # TODO: find a cleaner way to disable the context menu |
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225 sender.getElement().setAttribute("oncontextmenu", "return false") |
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226 |
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227 def _onBrowserEvent(event): |
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228 button = DOM.eventGetButton(event) |
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229 if DOM.eventGetType(event) == "mousedown" and button in self._senders[sender]: |
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230 self._show(sender) |
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231 return sender.__class__.onBrowserEvent(sender, event) |
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232 |
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233 sender.onBrowserEvent = _onBrowserEvent |
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234 |
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235 def registerMiddleClickSender(self, sender): |
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236 self.registerClickSender(sender, BUTTON_MIDDLE) |
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237 |
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238 def registerRightClickSender(self, sender): |
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239 self.registerClickSender(sender, BUTTON_RIGHT) |
264
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240 |
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241 |
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242 class ToggleStackPanel(StackPanel): |
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243 """This is a pyjamas.ui.StackPanel with modified behavior. All sub-panels ca be |
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244 visible at the same time, clicking a sub-panel header will not display it and hide |
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245 the others but only toggle its own visibility. The argument 'visibleStack' is ignored. |
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246 Note that the argument 'visible' has been added to listener's 'onStackChanged' method. |
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247 """ |
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248 |
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249 def __init__(self, **kwargs): |
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250 StackPanel.__init__(self, **kwargs) |
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251 |
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252 def onBrowserEvent(self, event): |
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253 if DOM.eventGetType(event) == "click": |
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254 index = self.getDividerIndex(DOM.eventGetTarget(event)) |
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255 if index != -1: |
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256 self.toggleStack(index) |
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257 |
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258 def add(self, widget, stackText="", asHTML=False, visible=False): |
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259 StackPanel.add(self, widget, stackText, asHTML) |
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260 self.setStackVisible(self.getWidgetCount() - 1, visible) |
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261 |
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262 def toggleStack(self, index): |
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263 if index >= self.getWidgetCount(): |
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264 return |
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265 visible = not self.getWidget(index).getVisible() |
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266 self.setStackVisible(index, visible) |
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267 for listener in self.stackListeners: |
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268 listener.onStackChanged(self, index, visible) |
346
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269 |
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270 |
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271 class TitlePanel(ToggleStackPanel): |
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272 """A toggle panel to set the message title""" |
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273 def __init__(self): |
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274 ToggleStackPanel.__init__(self, Width="100%") |
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275 self.text_area = TextArea() |
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276 self.add(self.text_area, _("Title")) |
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277 self.addStackChangeListener(self) |
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278 |
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279 def onStackChanged(self, sender, index, visible=None): |
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280 if visible is None: |
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281 visible = sender.getWidget(index).getVisible() |
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282 text = self.text_area.getText() |
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283 suffix = "" if (visible or not text) else (": %s" % text) |
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284 sender.setStackText(index, _("Title") + suffix) |
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285 |
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286 def getText(self): |
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287 return self.text_area.getText() |
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288 |
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289 def setText(self, text): |
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290 self.text_area.setText(text) |
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291 |
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292 |
349
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293 class BaseTextEditor(object): |
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294 """Basic definition of a text editor. The method edit gets a boolean parameter which |
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295 should be set to True when you want to edit the text and False to only display it.""" |
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296 |
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297 def __init__(self, content=None, strproc=None, modifiedCb=None, afterEditCb=None): |
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298 """ |
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299 Remark when inheriting this class: since the setContent method could be |
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300 overwritten by the child class, you should consider calling this __init__ |
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301 after all the parameters affecting this setContent method have been set. |
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302 @param content: dict with at least a 'text' key |
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303 @param strproc: method to be applied on strings to clean the content |
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304 @param modifiedCb: method to be called when the text has been modified. |
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305 If this method returns: |
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306 - True: the modification will be saved and afterEditCb called; |
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307 - False: the modification won't be saved and afterEditCb called; |
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308 - None: the modification won't be saved and afterEditCb not called. |
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309 @param afterEditCb: method to be called when the edition is done |
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310 """ |
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311 if content is None: |
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312 content = {'text': ''} |
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313 assert('text' in content) |
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314 if strproc is None: |
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315 def strproc(text): |
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316 try: |
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317 return text.strip() |
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318 except (TypeError, AttributeError): |
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319 return text |
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320 self.strproc = strproc |
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321 self.__modifiedCb = modifiedCb |
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322 self._afterEditCb = afterEditCb |
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323 self.initialized = False |
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324 self.edit_listeners = [] |
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325 self.setContent(content) |
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326 |
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327 def setContent(self, content=None): |
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328 """Set the editable content. The displayed content, which is set from the child class, could differ. |
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329 @param content: dict with at least a 'text' key |
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330 """ |
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331 if content is None: |
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332 content = {'text': ''} |
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333 elif not isinstance(content, dict): |
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334 content = {'text': content} |
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335 assert('text' in content) |
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336 self._original_content = {} |
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337 for key in content: |
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338 self._original_content[key] = self.strproc(content[key]) |
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339 |
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340 def getContent(self): |
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341 """Get the current edited or editable content. |
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342 @return: dict with at least a 'text' key |
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343 """ |
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344 raise NotImplementedError |
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345 |
395
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346 def setOriginalContent(self, content): |
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347 """Use this method with care! Content initialization should normally be |
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348 done with self.setContent. This method exists to let you trick the editor, |
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349 e.g. for self.modified to return True also when nothing has been modified. |
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350 @param content: dict |
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351 """ |
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352 self._original_content = content |
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353 |
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354 def getOriginalContent(self): |
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355 """ |
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356 @return the original content before modification (dict) |
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357 """ |
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358 return self._original_content |
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359 |
349
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360 def modified(self, content=None): |
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361 """Check if the content has been modified. |
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362 Remark: we don't use the direct comparison because we want to ignore empty elements |
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363 @content: content to be check against the original content or None to use the current content |
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364 @return: True if the content has been modified. |
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365 """ |
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366 if content is None: |
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367 content = self.getContent() |
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368 # the following method returns True if one non empty element exists in a but not in b |
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369 diff1 = lambda a, b: [a[key] for key in set(a.keys()).difference(b.keys()) if a[key]] != [] |
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370 # the following method returns True if the values for the common keys are not equals |
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371 diff2 = lambda a, b: [1 for key in set(a.keys()).intersection(b.keys()) if a[key] != b[key]] != [] |
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372 # finally the combination of both to return True if a difference is found |
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373 diff = lambda a, b: diff1(a, b) or diff1(b, a) or diff2(a, b) |
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374 |
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375 return diff(content, self._original_content) |
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376 |
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377 def edit(self, edit, abort=False, sync=False): |
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378 """ |
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379 Remark: the editor must be visible before you call this method. |
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380 @param edit: set to True to edit the content or False to only display it |
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381 @param abort: set to True to cancel the edition and loose the changes. |
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382 If edit and abort are both True, self.abortEdition can be used to ask for a |
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383 confirmation. When edit is False and abort is True, abortion is actually done. |
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384 @param sync: set to True to cancel the edition after the content has been saved somewhere else |
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385 """ |
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386 if edit: |
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387 if not self.initialized: |
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388 self.syncToEditor() # e.g.: use the selected target and unibox content |
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389 self.setFocus(True) |
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390 if abort: |
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391 content = self.getContent() |
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392 if not self.modified(content) or self.abortEdition(content): # e.g: ask for confirmation |
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393 self.edit(False, True, sync) |
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394 return |
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395 if sync: |
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396 self.syncFromEditor(content) # e.g.: save the content to unibox |
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397 return |
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398 else: |
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399 if not self.initialized: |
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400 return |
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401 content = self.getContent() |
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402 if abort: |
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403 self._afterEditCb(content) |
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404 return |
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405 if self.__modifiedCb and self.modified(content): |
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406 result = self.__modifiedCb(content) # e.g.: send a message or update something |
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407 if result is not None: |
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408 if self._afterEditCb: |
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409 self._afterEditCb(content) # e.g.: restore the display mode |
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410 if result is True: |
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411 self.setContent(content) |
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412 elif self._afterEditCb: |
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413 self._afterEditCb(content) |
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414 |
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415 self.initialized = True |
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416 |
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417 def setFocus(self, focus): |
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418 """ |
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419 @param focus: set to True to focus the editor |
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420 """ |
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421 raise NotImplementedError |
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422 |
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423 def syncToEditor(self): |
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424 pass |
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425 |
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426 def syncFromEditor(self, content): |
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427 pass |
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428 |
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429 def abortEdition(self, content): |
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430 return True |
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431 |
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432 def addEditListener(self, listener): |
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433 """Add a method to be called whenever the text is edited. |
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434 @param listener: method taking two arguments: sender, keycode""" |
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435 self.edit_listeners.append(listener) |
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436 |
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437 |
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438 class LightTextEditor(BaseTextEditor, HTML, FocusHandler, KeyboardHandler): |
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439 """Manage a simple text editor whith the HTML 5 "contenteditable" property.""" |
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440 |
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441 def __init__(self, content=None, modifiedCb=None, afterEditCb=None, single_line=False, enhance_display=True, listen_focus=None): |
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442 """ |
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443 @param content |
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444 @param modifiedCb |
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445 @param afterEditCb |
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446 @param single_line: set to True to manage a single line editor. In that |
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447 case the edition will be terminated when the <enter> key is pressed. |
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448 @param listen_focus: set to True to terminate the edition when the |
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449 focus is lost. Leave to None in order to use single_line's value. |
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450 @param enhance_display: if True, the display text will be enhanced with addURLToText |
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451 """ |
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452 HTML.__init__(self) |
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453 self.__single_line = single_line |
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454 self.__enhance_display = enhance_display |
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455 self.__listen_focus = single_line if listen_focus is None else listen_focus |
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456 if self.__listen_focus: |
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457 FocusHandler.__init__(self) |
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458 KeyboardHandler.__init__(self) |
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459 strproc = lambda text: html_sanitize(html_strip(text)) if self.__single_line else html_strip(text) |
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460 BaseTextEditor.__init__(self, content, strproc, modifiedCb, afterEditCb) |
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461 |
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462 def setContent(self, content=None): |
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463 BaseTextEditor.setContent(self, content) |
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464 |
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465 def getContent(self): |
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466 text = DOM.getInnerHTML(self.getElement()) |
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467 return {'text': self.strproc(text) if text else ''} |
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468 |
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469 def edit(self, edit, abort=False, sync=False): |
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470 if edit: |
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471 self.setHTML(self._original_content['text']) |
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472 self.getElement().setAttribute('contenteditable', 'true' if edit else 'false') |
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473 BaseTextEditor.edit(self, edit) |
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474 if edit: |
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475 if self.__listen_focus: |
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476 self.addFocusListener(self) |
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477 self.addKeyboardListener(self) |
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478 else: |
349
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479 self.setDisplayContent() |
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480 if self.__listen_focus: |
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481 if self in self._focusListeners: |
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482 self.removeFocusListener(self) |
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483 if self in self._keyboardListeners: |
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484 self.removeKeyboardListener(self) |
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485 |
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486 def setDisplayContent(self): |
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487 text = addURLToImage(self._original_content['text']) |
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488 self.setHTML(addURLToText(text) if self.__enhance_display else text) |
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489 |
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490 def setFocus(self, focus): |
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491 if focus: |
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492 self.getElement().focus() |
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493 else: |
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494 self.getElement().blur() |
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495 |
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496 def onKeyDown(self, sender, keycode, modifiers): |
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497 for listener in self.edit_listeners: |
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498 listener(self, keycode) |
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499 |
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500 def onKeyPress(self, sender, keycode, modifiers): |
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501 if not self.__single_line: |
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502 return |
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503 if keycode == KEY_ENTER: # finish the edition |
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504 self.setFocus(False) |
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505 if not self.__listen_focus: |
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506 self.edit(False) |
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507 |
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508 def onLostFocus(self, sender): |
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509 """Finish the edition when focus is lost""" |
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510 self.edit(False) |