Mercurial > libervia-web
annotate src/browser/sat_browser/base_widget.py @ 536:048ae7314156
browser_side: temporary way to display the OTR state in the LiberviaWidget header
| author | souliane <souliane@mailoo.org> |
|---|---|
| date | Sun, 07 Sep 2014 16:40:33 +0200 |
| parents | 4c6d7db9b45c |
| children | d02335553b5d |
| 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. |
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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 |
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21 from sat.core.log import getLogger |
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22 log = getLogger(__name__) |
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23 from pyjamas.ui.SimplePanel import SimplePanel |
| 33 | 24 from pyjamas.ui.AbsolutePanel import AbsolutePanel |
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25 from pyjamas.ui.VerticalPanel import VerticalPanel |
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26 from pyjamas.ui.HorizontalPanel import HorizontalPanel |
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27 from pyjamas.ui.ScrollPanel import ScrollPanel |
| 195 | 28 from pyjamas.ui.FlexTable import FlexTable |
| 23 | 29 from pyjamas.ui.TabPanel import TabPanel |
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30 from pyjamas.ui.HTMLPanel import HTMLPanel |
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31 from pyjamas.ui.Label import Label |
| 83 | 32 from pyjamas.ui.Button import Button |
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33 from pyjamas.ui.Widget import Widget |
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34 from pyjamas.ui.DragWidget import DragWidget |
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35 from pyjamas.ui.DropWidget import DropWidget |
| 19 | 36 from pyjamas.ui.ClickListener import ClickHandler |
| 83 | 37 from pyjamas.ui import HasAlignment |
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38 from pyjamas import DOM |
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39 from pyjamas import Window |
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40 |
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41 from __pyjamas__ import doc |
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42 |
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43 import dialog |
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44 import base_menu |
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45 |
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46 |
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47 class DragLabel(DragWidget): |
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48 |
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49 def __init__(self, text, _type): |
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50 DragWidget.__init__(self) |
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51 self._text = text |
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52 self._type = _type |
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53 |
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54 def onDragStart(self, event): |
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55 dt = event.dataTransfer |
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56 dt.setData('text/plain', "%s\n%s" % (self._text, self._type)) |
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57 dt.setDragImage(self.getElement(), 15, 15) |
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58 |
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59 |
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60 class LiberviaDragWidget(DragLabel): |
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61 """ A DragLabel which keep the widget being dragged as class value """ |
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62 current = None # widget currently dragged |
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63 |
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64 def __init__(self, text, _type, widget): |
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65 DragLabel.__init__(self, text, _type) |
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66 self.widget = widget |
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67 |
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68 def onDragStart(self, event): |
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69 LiberviaDragWidget.current = self.widget |
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70 DragLabel.onDragStart(self, event) |
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71 |
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72 def onDragEnd(self, event): |
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73 LiberviaDragWidget.current = None |
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74 |
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75 |
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76 class DropCell(DropWidget): |
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77 """Cell in the middle grid which replace itself with the dropped widget on DnD""" |
| 195 | 78 drop_keys = {} |
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79 |
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80 def __init__(self, host): |
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81 DropWidget.__init__(self) |
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82 self.host = host |
| 83 | 83 self.setStyleName('dropCell') |
| 195 | 84 |
| 85 @classmethod | |
| 86 def addDropKey(cls, key, callback): | |
| 87 DropCell.drop_keys[key] = callback | |
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88 |
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89 def onDragEnter(self, event): |
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90 if self == LiberviaDragWidget.current: |
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91 return |
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92 self.addStyleName('dragover') |
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93 DOM.eventPreventDefault(event) |
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94 |
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95 def onDragLeave(self, event): |
| 33 | 96 if event.clientX <= self.getAbsoluteLeft() or event.clientY <= self.getAbsoluteTop() or\ |
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97 event.clientX >= self.getAbsoluteLeft() + self.getOffsetWidth() - 1 or event.clientY >= self.getAbsoluteTop() + self.getOffsetHeight() - 1: |
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98 # We check that we are inside widget's box, and we don't remove the style in this case because |
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99 # if the mouse is over a widget inside the DropWidget, if will leave the DropWidget, and we |
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100 # don't want that |
| 33 | 101 self.removeStyleName('dragover') |
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102 |
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103 def onDragOver(self, event): |
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104 DOM.eventPreventDefault(event) |
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105 |
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106 def _getCellAndRow(self, grid, event): |
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107 """Return cell and row index where the event is occuring""" |
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108 cell = grid.getEventTargetCell(event) |
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109 row = DOM.getParent(cell) |
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110 return (row.rowIndex, cell.cellIndex) |
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111 |
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112 def onDrop(self, event): |
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113 self.removeStyleName('dragover') |
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114 DOM.eventPreventDefault(event) |
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115 dt = event.dataTransfer |
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116 # 'text', 'text/plain', and 'Text' are equivalent. |
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117 try: |
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118 item, item_type = dt.getData("text/plain").split('\n') # Workaround for webkit, only text/plain seems to be managed |
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119 if item_type and item_type[-1] == '\0': # Workaround for what looks like a pyjamas bug: the \0 should not be there, and |
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120 item_type = item_type[:-1] # .strip('\0') and .replace('\0','') don't work. TODO: check this and fill a bug report |
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121 # item_type = dt.getData("type") |
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122 log.debug("message: %s" % item) |
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123 log.debug("type: %s" % item_type) |
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124 except: |
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125 log.debug("no message found") |
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126 item = ' ' |
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127 item_type = None |
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128 if item_type == "WIDGET": |
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129 if not LiberviaDragWidget.current: |
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130 log.error("No widget registered in LiberviaDragWidget !") |
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131 return |
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132 _new_panel = LiberviaDragWidget.current |
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133 if self == _new_panel: # We can't drop on ourself |
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134 return |
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135 # we need to remove the widget from the panel as it will be inserted elsewhere |
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136 widgets_panel = _new_panel.getWidgetsPanel() |
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137 wid_row = widgets_panel.getWidgetCoords(_new_panel)[0] |
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138 row_wids = widgets_panel.getLiberviaRowWidgets(wid_row) |
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139 if len(row_wids) == 1 and wid_row == widgets_panel.getWidgetCoords(self)[0]: |
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140 # the dropped widget is the only one in the same row |
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141 # as the target widget (self), we don't do anything |
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142 return |
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143 widgets_panel.removeWidget(_new_panel) |
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144 elif item_type in self.drop_keys: |
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145 _new_panel = self.drop_keys[item_type](self.host, item) |
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146 else: |
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147 log.warning("unmanaged item type") |
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148 return |
| 84 | 149 if isinstance(self, LiberviaWidget): |
| 150 self.host.unregisterWidget(self) | |
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151 self.onQuit() |
| 84 | 152 if not isinstance(_new_panel, LiberviaWidget): |
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153 log.warning("droping an object which is not a class of LiberviaWidget") |
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154 _flextable = self.getParent() |
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155 _widgetspanel = _flextable.getParent().getParent() |
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156 row_idx, cell_idx = self._getCellAndRow(_flextable, event) |
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157 if self.host.getSelected == self: |
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158 self.host.setSelected(None) |
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159 _widgetspanel.changeWidget(row_idx, cell_idx, _new_panel) |
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160 """_unempty_panels = filter(lambda wid:not isinstance(wid,EmptyWidget),list(_flextable)) |
| 34 | 161 _width = 90/float(len(_unempty_panels) or 1) |
| 162 #now we resize all the cell of the column | |
| 163 for panel in _unempty_panels: | |
| 164 td_elt = panel.getElement().parentNode | |
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165 DOM.setStyleAttribute(td_elt, "width", "%s%%" % _width)""" |
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166 #FIXME: delete object ? Check the right way with pyjamas |
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167 |
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168 |
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169 class WidgetMenuBar(base_menu.GenericMenuBar): |
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170 |
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171 ITEM_TPL = "<img src='media/icons/misc/%s.png' />" |
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172 |
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173 def __init__(self, parent, host, vertical=False, styles=None): |
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174 menu_styles = {'menu_bar': 'widgetHeader_buttonGroup'} |
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175 if styles: |
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176 menu_styles.update(styles) |
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177 base_menu.GenericMenuBar.__init__(self, host, vertical=vertical, styles=menu_styles) |
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178 |
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179 if hasattr(parent, 'addMenus'): |
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180 # regroup all the dynamic menu categories in a sub-menu |
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181 sub_menu = WidgetSubMenuBar(host, vertical=True) |
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182 parent.addMenus(sub_menu) |
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183 if len(sub_menu.getCategories()) > 0: |
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184 self.addCategory('', '', 'plugins', sub_menu) |
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185 |
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186 @classmethod |
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187 def getCategoryHTML(cls, menu_name_i18n, type_): |
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188 return cls.ITEM_TPL % type_ |
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189 |
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190 |
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191 class WidgetSubMenuBar(base_menu.GenericMenuBar): |
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192 |
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193 def __init__(self, host, vertical=True): |
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194 base_menu.GenericMenuBar.__init__(self, host, vertical=vertical, flat_level=1) |
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195 |
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196 @classmethod |
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197 def getCategoryHTML(cls, menu_name_i18n, type_): |
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198 return menu_name_i18n |
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199 |
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200 |
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201 class WidgetHeader(AbsolutePanel, LiberviaDragWidget): |
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202 |
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203 def __init__(self, parent, host, title, info=None): |
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204 """ |
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205 @param parent (LiberviaWidget): LiberWidget instance |
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206 @param host (SatWebFrontend): SatWebFrontend instance |
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207 @param title (Widget): text widget instance |
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208 @param info (Widget): text widget instance |
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209 """ |
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210 AbsolutePanel.__init__(self) |
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211 self.add(title) |
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212 if info: |
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213 # FIXME: temporary design to display the info near the menu |
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214 button_group_wrapper = HorizontalPanel() |
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215 button_group_wrapper.add(info) |
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216 else: |
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217 button_group_wrapper = SimplePanel() |
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218 button_group_wrapper.setStyleName('widgetHeader_buttonsWrapper') |
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219 button_group = WidgetMenuBar(parent, host) |
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220 button_group.addItem('<img src="media/icons/misc/settings.png"/>', True, base_menu.MenuCmd(parent, 'onSetting')) |
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221 button_group.addItem('<img src="media/icons/misc/close.png"/>', True, base_menu.MenuCmd(parent, 'onClose')) |
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222 button_group_wrapper.add(button_group) |
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223 self.add(button_group_wrapper) |
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224 self.addStyleName('widgetHeader') |
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225 LiberviaDragWidget.__init__(self, "", "WIDGET", parent) |
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226 |
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227 |
| 84 | 228 class LiberviaWidget(DropCell, VerticalPanel, ClickHandler): |
| 83 | 229 """Libervia's widget which can replace itself with a dropped widget on DnD""" |
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230 |
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231 def __init__(self, host, title='', info='', selectable=False): |
| 84 | 232 """Init the widget |
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233 @param host (SatWebFrontend): SatWebFrontend instance |
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234 @param title (str): title shown in the header of the widget |
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235 @param info (str): info shown in the header of the widget |
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236 @param selectable (bool): True is widget can be selected by user""" |
| 83 | 237 VerticalPanel.__init__(self) |
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238 DropCell.__init__(self, host) |
| 84 | 239 ClickHandler.__init__(self) |
| 240 self.__selectable = selectable | |
| 241 self.__title_id = HTMLPanel.createUniqueId() | |
| 242 self.__setting_button_id = HTMLPanel.createUniqueId() | |
| 243 self.__close_button_id = HTMLPanel.createUniqueId() | |
| 244 self.__title = Label(title) | |
| 245 self.__title.setStyleName('widgetHeader_title') | |
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246 if info: |
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247 self.__info = Label(info) |
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248 self.__info.setStyleName('widgetHeader_info') |
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249 else: |
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250 self.__info = None |
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251 self._close_listeners = [] |
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252 header = WidgetHeader(self, host, self.__title, self.__info) |
| 83 | 253 self.add(header) |
| 254 self.setSize('100%', '100%') | |
| 255 self.addStyleName('widget') | |
| 84 | 256 if self.__selectable: |
| 257 self.addClickListener(self) | |
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258 |
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259 def onClose(sender): |
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260 """Check dynamically if the unibox is enable or not""" |
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261 if self.host.uni_box: |
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262 self.host.uni_box.onWidgetClosed(sender) |
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263 |
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264 self.addCloseListener(onClose) |
| 84 | 265 self.host.registerWidget(self) |
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266 |
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267 def getDebugName(self): |
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268 return "%s (%s)" % (self, self.__title.getText()) |
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269 |
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270 def getWidgetsPanel(self, expect=True): |
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271 return self.getParent(WidgetsPanel, expect) |
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272 |
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273 def getParent(self, class_=None, expect=True): |
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274 """Return the closest ancestor of the specified class. |
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275 |
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276 Note: this method overrides pyjamas.ui.Widget.getParent |
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277 |
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278 @param class_: class of the ancestor to look for or None to return the first parent |
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279 @param expect: set to True if the parent is expected (print a message if not found) |
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280 @return: the parent/ancestor or None if it has not been found |
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281 """ |
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282 current = Widget.getParent(self) |
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283 if class_ is None: |
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284 return current # this is the default behavior |
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285 while current is not None and not isinstance(current, class_): |
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286 current = Widget.getParent(current) |
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287 if current is None and expect: |
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288 log.error("Can't find parent %s for %s" % (class_, self)) |
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289 return current |
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290 |
| 84 | 291 def onClick(self, sender): |
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292 self.host.setSelected(self) |
| 83 | 293 |
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294 def onClose(self, sender): |
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295 """ Called when the close button is pushed """ |
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296 _widgetspanel = self.getWidgetsPanel() |
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297 _widgetspanel.removeWidget(self) |
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298 for callback in self._close_listeners: |
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299 callback(self) |
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300 self.onQuit() |
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301 |
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302 def onQuit(self): |
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303 """ Called when the widget is actually ending """ |
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304 pass |
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305 |
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306 def addCloseListener(self, callback): |
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307 """Add a close listener to this widget |
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308 @param callback: function to be called from self.onClose""" |
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309 self._close_listeners.append(callback) |
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310 |
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311 def refresh(self): |
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312 """This can be overwritten by a child class to refresh the display when, |
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313 instead of creating a new one, an existing widget is found and reused. |
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314 """ |
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315 pass |
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316 |
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317 def onSetting(self, sender): |
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318 widpanel = self.getWidgetsPanel() |
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319 row, col = widpanel.getIndex(self) |
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320 body = VerticalPanel() |
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321 |
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322 # colspan & rowspan |
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323 colspan = widpanel.getColSpan(row, col) |
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324 rowspan = widpanel.getRowSpan(row, col) |
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325 |
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326 def onColSpanChange(value): |
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327 widpanel.setColSpan(row, col, value) |
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328 |
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329 def onRowSpanChange(value): |
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330 widpanel.setRowSpan(row, col, value) |
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331 colspan_setter = dialog.IntSetter("Columns span", colspan) |
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332 colspan_setter.addValueChangeListener(onColSpanChange) |
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333 colspan_setter.setWidth('100%') |
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334 rowspan_setter = dialog.IntSetter("Rows span", rowspan) |
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335 rowspan_setter.addValueChangeListener(onRowSpanChange) |
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336 rowspan_setter.setWidth('100%') |
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337 body.add(colspan_setter) |
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338 body.add(rowspan_setter) |
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339 |
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340 # size |
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341 width_str = self.getWidth() |
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342 if width_str.endswith('px'): |
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343 width = int(width_str[:-2]) |
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344 else: |
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345 width = 0 |
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346 height_str = self.getHeight() |
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347 if height_str.endswith('px'): |
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348 height = int(height_str[:-2]) |
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349 else: |
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350 height = 0 |
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351 |
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352 def onWidthChange(value): |
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353 if not value: |
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354 self.setWidth('100%') |
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355 else: |
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356 self.setWidth('%dpx' % value) |
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357 |
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358 def onHeightChange(value): |
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359 if not value: |
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360 self.setHeight('100%') |
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361 else: |
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362 self.setHeight('%dpx' % value) |
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363 width_setter = dialog.IntSetter("width (0=auto)", width) |
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364 width_setter.addValueChangeListener(onWidthChange) |
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365 width_setter.setWidth('100%') |
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366 height_setter = dialog.IntSetter("height (0=auto)", height) |
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367 height_setter.addValueChangeListener(onHeightChange) |
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368 height_setter.setHeight('100%') |
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369 body.add(width_setter) |
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370 body.add(height_setter) |
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371 |
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372 # reset |
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373 def onReset(sender): |
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374 colspan_setter.setValue(1) |
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375 rowspan_setter.setValue(1) |
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376 width_setter.setValue(0) |
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377 height_setter.setValue(0) |
|
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378 |
|
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379 reset_bt = Button("Reset", onReset) |
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380 body.add(reset_bt) |
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381 body.setCellHorizontalAlignment(reset_bt, HasAlignment.ALIGN_CENTER) |
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382 |
|
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383 _dialog = dialog.GenericDialog("Widget setting", body) |
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384 _dialog.show() |
|
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385 |
| 83 | 386 def setTitle(self, text): |
| 387 """change the title in the header of the widget | |
| 388 @param text: text of the new title""" | |
| 84 | 389 self.__title.setText(text) |
| 390 | |
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391 def setHeaderInfo(self, text): |
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392 """change the info in the header of the widget |
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393 @param text: text of the new title""" |
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394 try: |
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395 self.__info.setText(text) |
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396 except AttributeError: |
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397 log.error("LiberviaWidget.setInfo: info widget has not been initialized!") |
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398 |
| 84 | 399 def isSelectable(self): |
| 400 return self.__selectable | |
| 401 | |
| 402 def setSelectable(self, selectable): | |
| 403 if not self.__selectable: | |
| 404 try: | |
| 405 self.removeClickListener(self) | |
| 406 except ValueError: | |
| 407 pass | |
| 408 if self.selectable and not self in self._clickListeners: | |
| 409 self.addClickListener(self) | |
| 410 self.__selectable = selectable | |
| 83 | 411 |
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412 def getWarningData(self): |
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413 """ Return exposition warning level when this widget is selected and something is sent to it |
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414 This method should be overriden by children |
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415 @return: tuple (warning level type/HTML msg). Type can be one of: |
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416 - PUBLIC |
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417 - GROUP |
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418 - ONE2ONE |
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419 - MISC |
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420 - NONE |
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421 """ |
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422 if not self.__selectable: |
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423 log.error("getWarningLevel must not be called for an unselectable widget") |
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424 raise Exception |
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425 # TODO: cleaner warning types (more general constants) |
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426 return ("NONE", None) |
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427 |
| 83 | 428 def setWidget(self, widget, scrollable=True): |
| 429 """Set the widget that will be in the body of the LiberviaWidget | |
| 430 @param widget: widget to put in the body | |
| 431 @param scrollable: if true, the widget will be in a ScrollPanelWrapper""" | |
| 432 if scrollable: | |
| 433 _scrollpanelwrapper = ScrollPanelWrapper() | |
| 434 _scrollpanelwrapper.setStyleName('widgetBody') | |
| 435 _scrollpanelwrapper.setWidget(widget) | |
| 436 body_wid = _scrollpanelwrapper | |
| 437 else: | |
| 438 body_wid = widget | |
| 439 self.add(body_wid) | |
| 440 self.setCellHeight(body_wid, '100%') | |
| 441 | |
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442 def doDetachChildren(self): |
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443 # We need to force the use of a panel subclass method here, |
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444 # for the same reason as doAttachChildren |
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445 VerticalPanel.doDetachChildren(self) |
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446 |
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447 def doAttachChildren(self): |
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448 # We need to force the use of a panel subclass method here, else |
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449 # the event will not propagate to children |
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450 VerticalPanel.doAttachChildren(self) |
| 83 | 451 |
|
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452 def matchEntity(self, entity): |
|
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453 """Check if this widget corresponds to the given entity. |
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454 |
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455 This method should be overwritten by child classes. |
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456 @return: True if the widget matches the entity""" |
|
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457 raise NotImplementedError |
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458 |
|
498
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459 def addMenus(self, menu_bar): |
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460 """Add menus to the header. |
|
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461 |
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462 This method can be overwritten by child classes. |
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463 @param menu_bar (GenericMenuBar): menu bar of the widget's header |
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464 """ |
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465 pass |
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466 |
|
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467 |
| 34 | 468 class ScrollPanelWrapper(SimplePanel): |
| 469 """Scroll Panel like component, wich use the full available space | |
| 470 to work around percent size issue, it use some of the ideas found | |
| 471 here: http://code.google.com/p/google-web-toolkit/issues/detail?id=316 | |
| 472 specially in code given at comment #46, thanks to Stefan Bachert""" | |
| 473 | |
| 474 def __init__(self, *args, **kwargs): | |
| 475 SimplePanel.__init__(self) | |
| 476 self.spanel = ScrollPanel(*args, **kwargs) | |
| 477 SimplePanel.setWidget(self, self.spanel) | |
| 478 DOM.setStyleAttribute(self.getElement(), "position", "relative") | |
| 479 DOM.setStyleAttribute(self.getElement(), "top", "0px") | |
| 480 DOM.setStyleAttribute(self.getElement(), "left", "0px") | |
| 481 DOM.setStyleAttribute(self.getElement(), "width", "100%") | |
| 482 DOM.setStyleAttribute(self.getElement(), "height", "100%") | |
| 483 DOM.setStyleAttribute(self.spanel.getElement(), "position", "absolute") | |
| 484 DOM.setStyleAttribute(self.spanel.getElement(), "width", "100%") | |
| 485 DOM.setStyleAttribute(self.spanel.getElement(), "height", "100%") | |
| 486 | |
| 487 def setWidget(self, widget): | |
| 488 self.spanel.setWidget(widget) | |
| 489 | |
| 490 def setScrollPosition(self, position): | |
| 491 self.spanel.setScrollPosition(position) | |
| 492 | |
| 493 def scrollToBottom(self): | |
| 494 self.setScrollPosition(self.spanel.getElement().scrollHeight) | |
| 495 | |
|
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496 |
|
85
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497 class EmptyWidget(DropCell, SimplePanel): |
|
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498 """Empty dropable panel""" |
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499 |
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500 def __init__(self, host): |
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501 SimplePanel.__init__(self) |
|
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502 DropCell.__init__(self, host) |
|
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503 #self.setWidget(HTML('')) |
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504 self.setSize('100%', '100%') |
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505 |
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506 |
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507 class BorderWidget(EmptyWidget): |
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508 def __init__(self, host): |
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509 EmptyWidget.__init__(self, host) |
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510 self.addStyleName('borderPanel') |
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511 |
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512 |
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513 class LeftBorderWidget(BorderWidget): |
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514 def __init__(self, host): |
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515 BorderWidget.__init__(self, host) |
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516 self.addStyleName('leftBorderWidget') |
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517 |
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518 |
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519 class RightBorderWidget(BorderWidget): |
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520 def __init__(self, host): |
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521 BorderWidget.__init__(self, host) |
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522 self.addStyleName('rightBorderWidget') |
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523 |
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524 |
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525 class BottomBorderWidget(BorderWidget): |
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526 def __init__(self, host): |
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527 BorderWidget.__init__(self, host) |
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528 self.addStyleName('bottomBorderWidget') |
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529 |
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530 |
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531 class WidgetsPanel(ScrollPanelWrapper): |
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532 |
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533 def __init__(self, host, locked=False): |
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534 ScrollPanelWrapper.__init__(self) |
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535 self.setSize('100%', '100%') |
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536 self.host = host |
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537 self.locked = locked # if True: tab will not be removed when there are no more widgets inside |
|
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538 self.selected = None |
| 83 | 539 self.flextable = FlexTable() |
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540 self.flextable.setSize('100%', '100%') |
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541 self.setWidget(self.flextable) |
| 83 | 542 self.setStyleName('widgetsPanel') |
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543 _bottom = BottomBorderWidget(self.host) |
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544 self.flextable.setWidget(0, 0, _bottom) # There will be always an Empty widget on the last row, |
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545 # dropping a widget there will add a new row |
|
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546 td_elt = _bottom.getElement().parentNode |
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547 DOM.setStyleAttribute(td_elt, "height", "1px") # needed so the cell adapt to the size of the border (specially in webkit) |
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548 self._max_cols = 1 # give the maximum number of columns i a raw |
| 83 | 549 |
|
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550 def isLocked(self): |
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551 return self.locked |
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552 |
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553 def changeWidget(self, row, col, wid): |
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554 """Change the widget in the given location, add row or columns when necessary""" |
|
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555 log.debug("changing widget: %s %s %s" % (wid.getDebugName(), row, col)) |
|
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556 last_row = max(0, self.flextable.getRowCount() - 1) |
| 83 | 557 try: |
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558 prev_wid = self.flextable.getWidget(row, col) |
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559 except: |
|
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560 log.error("Trying to change an unexisting widget !") |
|
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561 return |
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562 |
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563 cellFormatter = self.flextable.getFlexCellFormatter() |
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564 |
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565 if isinstance(prev_wid, BorderWidget): |
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566 # We are on a border, we must create a row and/or columns |
|
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567 log.debug("BORDER WIDGET") |
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568 prev_wid.removeStyleName('dragover') |
|
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569 |
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570 if isinstance(prev_wid, BottomBorderWidget): |
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571 # We are on the bottom border, we create a new row |
|
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572 self.flextable.insertRow(last_row) |
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573 self.flextable.setWidget(last_row, 0, LeftBorderWidget(self.host)) |
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574 self.flextable.setWidget(last_row, 1, wid) |
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575 self.flextable.setWidget(last_row, 2, RightBorderWidget(self.host)) |
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576 cellFormatter.setHorizontalAlignment(last_row, 2, HasAlignment.ALIGN_RIGHT) |
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577 row = last_row |
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578 |
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579 elif isinstance(prev_wid, LeftBorderWidget): |
|
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580 if col != 0: |
|
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581 log.error("LeftBorderWidget must be on the first column !") |
|
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582 return |
|
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583 self.flextable.insertCell(row, col + 1) |
|
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584 self.flextable.setWidget(row, 1, wid) |
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585 |
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586 elif isinstance(prev_wid, RightBorderWidget): |
|
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587 if col != self.flextable.getCellCount(row) - 1: |
|
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588 log.error("RightBorderWidget must be on the last column !") |
|
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589 return |
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590 self.flextable.insertCell(row, col) |
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591 self.flextable.setWidget(row, col, wid) |
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592 |
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|
593 else: |
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594 prev_wid.removeFromParent() |
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595 self.flextable.setWidget(row, col, wid) |
|
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596 |
|
85
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597 _max_cols = max(self._max_cols, self.flextable.getCellCount(row)) |
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598 if _max_cols != self._max_cols: |
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599 self._max_cols = _max_cols |
|
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600 self._sizesAdjust() |
|
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|
601 |
|
86
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changeset
|
602 def _sizesAdjust(self): |
|
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603 cellFormatter = self.flextable.getFlexCellFormatter() |
|
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604 width = 100.0 / max(1, self._max_cols - 2) # we don't count the borders |
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605 |
|
86
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|
606 for row_idx in xrange(self.flextable.getRowCount()): |
|
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607 for col_idx in xrange(self.flextable.getCellCount(row_idx)): |
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608 _widget = self.flextable.getWidget(row_idx, col_idx) |
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609 if not isinstance(_widget, BorderWidget): |
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610 td_elt = _widget.getElement().parentNode |
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611 DOM.setStyleAttribute(td_elt, "width", "%.2f%%" % width) |
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612 |
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613 last_row = max(0, self.flextable.getRowCount() - 1) |
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614 cellFormatter.setColSpan(last_row, 0, self._max_cols) |
| 178 | 615 |
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616 def addWidget(self, wid): |
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617 """Add a widget to a new cell on the next to last row""" |
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618 last_row = max(0, self.flextable.getRowCount() - 1) |
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619 log.debug("putting widget %s at %d, %d" % (wid.getDebugName(), last_row, 0)) |
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620 self.changeWidget(last_row, 0, wid) |
| 83 | 621 |
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622 def removeWidget(self, wid): |
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623 """Remove a widget and the cell where it is""" |
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624 _row, _col = self.flextable.getIndex(wid) |
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625 self.flextable.remove(wid) |
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626 self.flextable.removeCell(_row, _col) |
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627 if not self.getLiberviaRowWidgets(_row): # we have no more widgets, we remove the row |
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628 self.flextable.removeRow(_row) |
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629 _max_cols = 1 |
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630 for row_idx in xrange(self.flextable.getRowCount()): |
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631 _max_cols = max(_max_cols, self.flextable.getCellCount(row_idx)) |
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632 if _max_cols != self._max_cols: |
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633 self._max_cols = _max_cols |
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634 self._sizesAdjust() |
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635 current = self |
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636 |
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637 blank_page = self.getLiberviaWidgetsCount() == 0 # do we still have widgets on the page ? |
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638 |
|
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639 if blank_page and not self.isLocked(): |
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640 # we now notice the MainTabPanel that the WidgetsPanel is empty and need to be removed |
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641 while current is not None: |
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642 if isinstance(current, MainTabPanel): |
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643 current.onWidgetPanelRemove(self) |
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644 return |
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645 current = current.getParent() |
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646 log.error("no MainTabPanel found !") |
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647 |
|
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648 def getWidgetCoords(self, wid): |
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649 return self.flextable.getIndex(wid) |
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650 |
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651 def getLiberviaRowWidgets(self, row): |
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652 """ Return all the LiberviaWidget in the row """ |
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653 return [wid for wid in self.getRowWidgets(row) if isinstance(wid, LiberviaWidget)] |
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654 |
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655 def getRowWidgets(self, row): |
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656 """ Return all the widgets in the row """ |
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657 widgets = [] |
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658 cols = self.flextable.getCellCount(row) |
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659 for col in xrange(cols): |
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660 widgets.append(self.flextable.getWidget(row, col)) |
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661 return widgets |
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662 |
|
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663 def getLiberviaWidgetsCount(self): |
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664 """ Get count of contained widgets """ |
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665 return len([wid for wid in self.flextable if isinstance(wid, LiberviaWidget)]) |
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666 |
|
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667 def getIndex(self, wid): |
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668 return self.flextable.getIndex(wid) |
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669 |
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670 def getColSpan(self, row, col): |
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671 cellFormatter = self.flextable.getFlexCellFormatter() |
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672 return cellFormatter.getColSpan(row, col) |
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673 |
|
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674 def setColSpan(self, row, col, value): |
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675 cellFormatter = self.flextable.getFlexCellFormatter() |
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676 return cellFormatter.setColSpan(row, col, value) |
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677 |
|
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678 def getRowSpan(self, row, col): |
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679 cellFormatter = self.flextable.getFlexCellFormatter() |
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680 return cellFormatter.getRowSpan(row, col) |
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681 |
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682 def setRowSpan(self, row, col, value): |
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683 cellFormatter = self.flextable.getFlexCellFormatter() |
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684 return cellFormatter.setRowSpan(row, col, value) |
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685 |
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686 |
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687 class DropTab(Label, DropWidget): |
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688 |
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689 def __init__(self, tab_panel, text): |
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690 Label.__init__(self, text) |
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691 DropWidget.__init__(self, tab_panel) |
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692 self.tab_panel = tab_panel |
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693 self.setStyleName('dropCell') |
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694 self.setWordWrap(False) |
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695 DOM.setStyleAttribute(self.getElement(), "min-width", "30px") |
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696 |
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697 def _getIndex(self): |
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698 """ get current index of the DropTab """ |
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699 # XXX: awful hack, but seems the only way to get index |
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700 return self.tab_panel.tabBar.panel.getWidgetIndex(self.getParent().getParent()) - 1 |
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701 |
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702 def onDragEnter(self, event): |
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703 #if self == LiberviaDragWidget.current: |
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704 # return |
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705 self.addStyleName('dragover') |
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706 DOM.eventPreventDefault(event) |
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707 |
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708 def onDragLeave(self, event): |
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709 self.removeStyleName('dragover') |
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710 |
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711 def onDragOver(self, event): |
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712 DOM.eventPreventDefault(event) |
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713 |
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714 def onDrop(self, event): |
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715 DOM.eventPreventDefault(event) |
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716 self.removeStyleName('dragover') |
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717 if self._getIndex() == self.tab_panel.tabBar.getSelectedTab(): |
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718 # the widget come from the DragTab, so nothing to do, we let it there |
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719 return |
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720 |
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721 # FIXME: quite the same stuff as in DropCell, need some factorisation |
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722 dt = event.dataTransfer |
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723 # 'text', 'text/plain', and 'Text' are equivalent. |
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724 try: |
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725 item, item_type = dt.getData("text/plain").split('\n') # Workaround for webkit, only text/plain seems to be managed |
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726 if item_type and item_type[-1] == '\0': # Workaround for what looks like a pyjamas bug: the \0 should not be there, and |
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727 item_type = item_type[:-1] # .strip('\0') and .replace('\0','') don't work. TODO: check this and fill a bug report |
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728 # item_type = dt.getData("type") |
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729 log.debug("message: %s" % item) |
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730 log.debug("type: %s" % item_type) |
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731 except: |
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732 log.debug("no message found") |
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733 item = ' ' |
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734 item_type = None |
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735 if item_type == "WIDGET": |
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736 if not LiberviaDragWidget.current: |
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737 log.error("No widget registered in LiberviaDragWidget !") |
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738 return |
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739 _new_panel = LiberviaDragWidget.current |
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740 _new_panel.getWidgetsPanel().removeWidget(_new_panel) |
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741 elif item_type in DropCell.drop_keys: |
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742 _new_panel = DropCell.drop_keys[item_type](self.tab_panel.host, item) |
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743 else: |
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744 log.warning("unmanaged item type") |
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745 return |
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746 |
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747 widgets_panel = self.tab_panel.getWidget(self._getIndex()) |
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748 widgets_panel.addWidget(_new_panel) |
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749 |
|
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750 |
| 34 | 751 class MainTabPanel(TabPanel): |
| 23 | 752 |
| 753 def __init__(self, host): | |
| 33 | 754 TabPanel.__init__(self) |
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755 self.host = host |
| 23 | 756 self.tabBar.setVisible(False) |
|
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757 self.setStyleName('liberviaTabPanel') |
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758 self.addStyleName('mainTabPanel') |
| 33 | 759 Window.addWindowResizeListener(self) |
| 760 | |
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761 def getCurrentPanel(self): |
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762 """ Get the panel of the currently selected tab """ |
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763 return self.deck.visibleWidget |
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764 |
| 33 | 765 def onWindowResized(self, width, height): |
| 766 tab_panel_elt = self.getElement() | |
| 767 _elts = doc().getElementsByClassName('gwt-TabBar') | |
| 768 if not _elts.length: | |
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769 log.error("no TabBar found, it should exist !") |
| 33 | 770 tab_bar_h = 0 |
| 771 else: | |
| 772 tab_bar_h = _elts.item(0).offsetHeight | |
|
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773 ideal_height = height - DOM.getAbsoluteTop(tab_panel_elt) - tab_bar_h - 5 |
|
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774 ideal_width = width - DOM.getAbsoluteLeft(tab_panel_elt) - 5 |
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775 self.setWidth("%s%s" % (ideal_width, "px")) |
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776 self.setHeight("%s%s" % (ideal_height, "px")) |
| 23 | 777 |
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778 def add(self, widget, text=''): |
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779 tab = DropTab(self, text) |
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780 TabPanel.add(self, widget, tab, False) |
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781 if self.getWidgetCount() > 1: |
| 23 | 782 self.tabBar.setVisible(True) |
| 33 | 783 self.host.resize() |
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784 |
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785 def onWidgetPanelRemove(self, panel): |
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786 """ Called when a child WidgetsPanel is empty and need to be removed """ |
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787 self.remove(panel) |
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788 widgets_count = self.getWidgetCount() |
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789 if widgets_count == 1: |
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790 self.tabBar.setVisible(False) |
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791 self.host.resize() |
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792 self.selectTab(0) |
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793 else: |
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794 self.selectTab(widgets_count - 1) |