Mercurial > libervia-web
annotate browser/sat_browser/richtext.py @ 1197:b251c8bb6776
install: set minimal sat version to 0.7.0b4
| author | Goffi <goffi@goffi.org> |
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| date | Fri, 05 Jul 2019 16:49:20 +0200 |
| parents | 3048bd137aaf |
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| 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 |
| 818 | 5 # Copyright (C) 2013-2016 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 sat_frontends.tools import composition |
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21 from sat.core.i18n import _ |
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22 from sat.core.log import getLogger |
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23 log = getLogger(__name__) |
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24 |
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25 from pyjamas.ui.TextArea import TextArea |
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26 from pyjamas.ui.Button import Button |
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27 from pyjamas.ui.CheckBox import CheckBox |
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28 from pyjamas.ui.Label import Label |
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29 from pyjamas.ui.FlexTable import FlexTable |
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30 from pyjamas.ui.HorizontalPanel import HorizontalPanel |
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31 from pyjamas.ui.KeyboardListener import KeyboardHandler |
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32 from pyjamas import Window |
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33 from __pyjamas__ import doc |
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34 |
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35 from constants import Const as C |
| 467 | 36 import dialog |
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37 import base_panel |
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38 import editor_widget |
| 467 | 39 import html_tools |
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40 import list_manager |
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41 |
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42 |
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43 class RichTextEditor(editor_widget.BaseTextEditor, FlexTable): |
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44 """Panel for the rich text editor.""" |
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45 |
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46 STYLE = {'main': 'richTextEditor', |
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47 'title': 'richTextTitle', |
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48 'toolbar': 'richTextToolbar', |
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49 'textarea': 'richTextArea' |
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50 } |
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51 |
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52 def __init__(self, host, content=None, modifiedCb=None, afterEditCb=None, options=None): |
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53 """ |
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54 |
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55 @param host (SatWebFrontend): host instance |
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56 @param content (dict): dict with at least a 'text' key |
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57 @param modifiedCb (callable): to be called when the text has been modified |
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58 @param afterEditCb (callable): to be called when the edition is done |
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59 @param options (list[unicode]): UI options ("read_only", "update_msg") |
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60 """ |
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61 FlexTable.__init__(self) # FIXME |
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62 self.host = host |
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63 self.wysiwyg = False |
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64 self.read_only = 'read_only' in options |
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65 self.update_msg = 'update_msg' in options |
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66 |
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67 indices = (-1, -1, 0, -1, -1) if self.read_only else (0, 1, 2, 3, 4) |
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68 self.title_offset, self.toolbar_offset, self.content_offset, self.tags_offset, self.command_offset = indices |
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69 self.addStyleName(self.STYLE['main']) |
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70 |
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71 editor_widget.BaseTextEditor.__init__(self, content, None, modifiedCb, afterEditCb) |
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72 |
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73 def addEditListener(self, listener): |
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74 """Add a method to be called whenever the text is edited. |
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75 |
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76 @param listener: method taking two arguments: sender, keycode |
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77 """ |
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78 editor_widget.BaseTextEditor.addEditListener(self, listener) |
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79 if hasattr(self, 'display'): |
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80 self.display.addEditListener(listener) |
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81 |
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82 def refresh(self, edit=None): |
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83 """Refresh the UI for edition/display mode. |
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84 |
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85 @param edit: set to True to display the edition mode |
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86 """ |
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87 if edit is None: |
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88 edit = hasattr(self, 'textarea') and self.textarea.getVisible() |
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89 |
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90 for widget in ['title_panel', 'tags_panel', 'command']: |
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91 if hasattr(self, widget): |
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92 getattr(self, widget).setVisible(edit) |
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93 |
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94 if hasattr(self, 'toolbar'): |
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95 self.toolbar.setVisible(False) |
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96 |
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97 if not hasattr(self, 'display'): |
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98 self.display = editor_widget.HTMLTextEditor(options={'enhance_display': False, 'listen_keyboard': False}) # for display mode |
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99 for listener in self.edit_listeners: |
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100 self.display.addEditListener(listener) |
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101 |
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102 if not self.read_only and not hasattr(self, 'textarea'): |
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103 self.textarea = EditTextArea(self) # for edition mode |
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104 self.textarea.addStyleName(self.STYLE['textarea']) |
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105 |
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106 self.getFlexCellFormatter().setColSpan(self.content_offset, 0, 2) |
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107 if edit and not self.wysiwyg: |
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108 self.textarea.setWidth('100%') # CSS width doesn't do it, don't know why |
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109 self.setWidget(self.content_offset, 0, self.textarea) |
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110 else: |
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111 self.setWidget(self.content_offset, 0, self.display) |
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112 if not edit: |
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113 return |
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114 |
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115 if not self.read_only and not hasattr(self, 'title_panel'): |
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116 self.title_panel = base_panel.TitlePanel() |
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117 self.title_panel.addStyleName(self.STYLE['title']) |
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118 self.getFlexCellFormatter().setColSpan(self.title_offset, 0, 2) |
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119 self.setWidget(self.title_offset, 0, self.title_panel) |
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120 |
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121 if not self.read_only and not hasattr(self, 'tags_panel'): |
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122 suggested_tags = [] # TODO: feed this list with tags suggestion |
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123 self.tags_panel = list_manager.TagsPanel(suggested_tags) |
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124 self.getFlexCellFormatter().setColSpan(self.tags_offset, 0, 2) |
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125 self.setWidget(self.tags_offset, 0, self.tags_panel) |
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126 |
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127 if not self.read_only and not hasattr(self, 'command'): |
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128 self.command = HorizontalPanel() |
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129 self.command.addStyleName("marginAuto") |
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130 self.command.add(Button("Cancel", lambda: self.edit(True, True))) |
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131 self.command.add(Button("Update" if self.update_msg else "Send message", lambda: self.edit(False))) |
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132 self.getFlexCellFormatter().setColSpan(self.command_offset, 0, 2) |
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133 self.setWidget(self.command_offset, 0, self.command) |
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134 |
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135 def setToolBar(self, syntax): |
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136 """This method is called asynchronously after the parameter |
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137 holding the rich text syntax is retrieved. It is called at |
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138 each call of self.edit(True) because the user may |
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139 have change his setting since the last time.""" |
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140 if syntax is None or syntax not in composition.RICH_SYNTAXES.keys(): |
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141 syntax = composition.RICH_SYNTAXES.keys()[0] |
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142 if hasattr(self, "toolbar") and self.toolbar.syntax == syntax: |
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143 self.toolbar.setVisible(True) |
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144 return |
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145 self.toolbar = HorizontalPanel() |
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146 self.toolbar.syntax = syntax |
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147 self.toolbar.addStyleName(self.STYLE['toolbar']) |
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148 for key in composition.RICH_SYNTAXES[syntax].keys(): |
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149 self.addToolbarButton(syntax, key) |
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150 self.wysiwyg_button = CheckBox(_('preview')) |
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151 wysiywgCb = lambda sender: self.setWysiwyg(sender.getChecked()) |
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152 self.wysiwyg_button.addClickListener(wysiywgCb) |
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153 self.toolbar.add(self.wysiwyg_button) |
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154 self.syntax_label = Label(_("Syntax: %s") % syntax) |
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155 self.syntax_label.addStyleName("richTextSyntaxLabel") |
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156 self.toolbar.add(self.syntax_label) |
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157 self.toolbar.setCellWidth(self.syntax_label, "100%") |
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158 self.getFlexCellFormatter().setColSpan(self.toolbar_offset, 0, 2) |
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159 self.setWidget(self.toolbar_offset, 0, self.toolbar) |
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160 |
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161 def setWysiwyg(self, wysiwyg, init=False): |
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162 """Toggle the edition mode between rich content syntax and wysiwyg. |
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163 @param wysiwyg: boolean value |
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164 @param init: set to True to re-init without switching the widgets.""" |
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165 def setWysiwyg(): |
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166 self.wysiwyg = wysiwyg |
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167 try: |
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168 self.wysiwyg_button.setChecked(wysiwyg) |
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169 except (AttributeError, TypeError): |
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170 pass |
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171 try: |
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172 if wysiwyg: |
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173 self.syntax_label.addStyleName('transparent') |
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174 else: |
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175 self.syntax_label.removeStyleName('transparent') |
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176 except (AttributeError, TypeError): |
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177 pass |
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178 if not wysiwyg: |
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179 self.display.removeStyleName('richTextWysiwyg') |
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180 |
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181 if init: |
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182 setWysiwyg() |
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183 return |
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184 |
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185 self.getFlexCellFormatter().setColSpan(self.content_offset, 0, 2) |
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186 if wysiwyg: |
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187 def syntaxConvertCb(text): |
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188 self.display.setContent({'text': text}) |
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189 self.textarea.removeFromParent() # XXX: force as it is not always done... |
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190 self.setWidget(self.content_offset, 0, self.display) |
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191 self.display.addStyleName('richTextWysiwyg') |
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192 self.display.edit(True) |
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193 content = self.getContent() |
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194 if content['text'] and content['syntax'] != C.SYNTAX_XHTML: |
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195 self.host.bridge.call('syntaxConvert', syntaxConvertCb, content['text'], content['syntax'], C.SYNTAX_XHTML) |
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196 else: |
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197 syntaxConvertCb(content['text']) |
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198 else: |
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199 syntaxConvertCb = lambda text: self.textarea.setText(text) |
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200 text = self.display.getContent()['text'] |
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201 if text and self.toolbar.syntax != C.SYNTAX_XHTML: |
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202 self.host.bridge.call('syntaxConvert', syntaxConvertCb, text) |
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203 else: |
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204 syntaxConvertCb(text) |
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205 self.setWidget(self.content_offset, 0, self.textarea) |
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206 self.textarea.setWidth('100%') # CSS width doesn't do it, don't know why |
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207 |
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208 setWysiwyg() # do it in the end because it affects self.getContent |
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209 |
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210 def addToolbarButton(self, syntax, key): |
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211 """Add a button with the defined parameters.""" |
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212 button = Button('<img src="%s" class="richTextIcon" />' % |
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213 composition.RICH_BUTTONS[key]["icon"]) |
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214 button.setTitle(composition.RICH_BUTTONS[key]["tip"]) |
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215 button.addStyleName('richTextToolButton') |
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216 self.toolbar.add(button) |
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217 |
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218 def buttonCb(): |
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219 """Generic callback for a toolbar button.""" |
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220 text = self.textarea.getText() |
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221 cursor_pos = self.textarea.getCursorPos() |
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222 selection_length = self.textarea.getSelectionLength() |
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223 data = composition.RICH_SYNTAXES[syntax][key] |
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224 if selection_length == 0: |
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225 middle_text = data[1] |
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226 else: |
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227 middle_text = text[cursor_pos:cursor_pos + selection_length] |
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228 self.textarea.setText(text[:cursor_pos] |
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229 + data[0] |
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230 + middle_text |
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231 + data[2] |
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232 + text[cursor_pos + selection_length:]) |
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233 self.textarea.setCursorPos(cursor_pos + len(data[0]) + len(middle_text)) |
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234 self.textarea.setFocus(True) |
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235 self.textarea.onKeyDown() |
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236 |
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237 def wysiwygCb(): |
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238 """Callback for a toolbar button while wysiwyg mode is enabled.""" |
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239 data = composition.COMMANDS[key] |
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240 |
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241 def execCommand(command, arg): |
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242 self.display.setFocus(True) |
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243 doc().execCommand(command, False, arg.strip() if arg else '') |
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244 # use Window.prompt instead of dialog.PromptDialog to not loose the focus |
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245 prompt = lambda command, text: execCommand(command, Window.prompt(text)) |
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246 if isinstance(data, tuple) or isinstance(data, list): |
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247 if data[1]: |
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248 prompt(data[0], data[1]) |
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249 else: |
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250 execCommand(data[0], data[2]) |
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251 else: |
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252 execCommand(data, False, '') |
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253 self.textarea.onKeyDown() |
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254 |
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255 button.addClickListener(lambda: wysiwygCb() if self.wysiwyg else buttonCb()) |
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256 |
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257 def getContent(self): |
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258 assert(hasattr(self, 'textarea')) |
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259 assert(hasattr(self, 'toolbar')) |
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260 if self.wysiwyg: |
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261 content = {'text': self.display.getContent()['text'], 'syntax': C.SYNTAX_XHTML} |
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262 else: |
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263 content = {'text': self.strproc(self.textarea.getText()), 'syntax': self.toolbar.syntax} |
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264 if hasattr(self, 'title_panel'): |
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265 content.update({'title': self.strproc(self.title_panel.getText())}) |
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266 if hasattr(self, 'tags_panel'): |
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267 content['tags'] = self.tags_panel.getTags() |
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268 return content |
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269 |
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270 def edit(self, edit=False, abort=False, sync=False): |
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271 """ |
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272 Remark: the editor must be visible before you call this method. |
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273 @param edit: set to True to edit the content or False to only display it |
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274 @param abort: set to True to cancel the edition and loose the changes. |
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275 If edit and abort are both True, self.abortEdition can be used to ask for a |
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276 confirmation. When edit is False and abort is True, abortion is actually done. |
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277 @param sync: set to True to cancel the edition after the content has been saved somewhere else |
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278 """ |
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279 if not (edit and abort): |
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280 self.refresh(edit) # not when we are asking for a confirmation |
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281 editor_widget.BaseTextEditor.edit(self, edit, abort, sync) # after the UI has been refreshed |
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282 if (edit and abort): |
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283 return # self.abortEdition is called by editor_widget.BaseTextEditor.edit |
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284 self.setWysiwyg(False, init=True) # after editor_widget.BaseTextEditor (it affects self.getContent) |
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285 if sync: |
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286 return |
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287 # the following must NOT be done at each UI refresh! |
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288 content = self._original_content |
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289 if edit: |
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290 def getParamCb(syntax): |
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291 # set the editable text in the current user-selected syntax |
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292 def syntaxConvertCb(text=None): |
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293 if text is not None: |
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294 # Important: this also update self._original_content |
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295 content.update({'text': text}) |
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296 content.update({'syntax': syntax}) |
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297 self.textarea.setText(content['text']) |
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298 |
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299 if hasattr(self, 'title_panel') and 'title' in content: |
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300 self.title_panel.setText(content['title']) |
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301 self.title_panel.setStackVisible(0, content['title'] != '') |
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302 |
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303 if hasattr(self, 'tags_panel'): |
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304 tags = content['tags'] |
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305 self.tags_panel.setTags(tags) |
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306 self.tags_panel.setStackVisible(0, len(tags) > 0) |
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307 |
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308 self.setToolBar(syntax) |
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309 if content['text'] and content['syntax'] != syntax: |
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310 self.host.bridge.call('syntaxConvert', syntaxConvertCb, content['text'], content['syntax']) |
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311 else: |
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312 syntaxConvertCb() |
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313 self.host.bridge.call('asyncGetParamA', getParamCb, composition.PARAM_NAME_SYNTAX, composition.PARAM_KEY_COMPOSITION) |
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314 else: |
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315 if not self.initialized: |
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316 # set the display text in XHTML only during init because a new MicroblogEntry instance is created after each modification |
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317 self.setDisplayContent() |
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318 self.display.edit(False) |
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319 |
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320 def setDisplayContent(self): |
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321 """Set the content of the editor_widget.HTMLTextEditor which is used for display/wysiwyg""" |
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322 content = self._original_content |
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323 text = content['text'] |
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324 if 'title' in content and content['title']: |
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325 title = '<h2>%s</h2>' % html_tools.html_sanitize(content['title']) |
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browser (richtext): fixes uninitialized variable
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326 else: |
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327 title = "" |
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328 |
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329 tags = "" |
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3048bd137aaf
server, browser: changed blog items serialisation following changes in backend
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330 for tag in content['tags']: |
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331 tags += "<li><a>%s</a></li>" % html_tools.html_sanitize(tag) |
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332 if tags: |
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333 tags = '<ul class="mblog_tags">%s</ul>' % tags |
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334 |
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335 self.display.setContent({'text': "%s%s%s" % (title, tags, text)}) |
|
400
487dd238ab88
browser_side: bug fixes for microblog raw/rich edition toggle
souliane <souliane@mailoo.org>
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395
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336 |
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351
c943fd54c90e
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337 def setFocus(self, focus): |
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338 self.textarea.setFocus(focus) |
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339 |
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340 def abortEdition(self, content): |
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341 """Ask for confirmation before closing the dialog.""" |
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342 def confirm_cb(answer): |
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343 if answer: |
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344 self.edit(False, True) |
| 467 | 345 _dialog = 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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2b5503392fbd
browser_side: small fixes for RichTextEditor
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346 _dialog.cancel_button.setText(_("No")) |
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351
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347 _dialog.show() |
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348 |
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349 |
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362
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browser_side: display the popup notifying the message's recipient when you edit the blog entry's bubble.
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350 class EditTextArea(TextArea, KeyboardHandler): |
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351 def __init__(self, _parent): |
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352 TextArea.__init__(self) |
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353 self._parent = _parent |
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354 KeyboardHandler.__init__(self) |
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355 self.addKeyboardListener(self) |
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356 |
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357 def onKeyDown(self, sender=None, keycode=None, modifiers=None): |
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358 for listener in self._parent.edit_listeners: |
|
716
3b91225b457a
server + browser side: blogging refactoring (draft), huge commit sorry:
Goffi <goffi@goffi.org>
parents:
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diff
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359 listener(self, keycode, modifiers) # FIXME: edit_listeners must either be removed, or send an action instead of keycode/modifiers |