Mercurial > libervia-web
annotate src/browser/sat_browser/base_widget.py @ 575:f8a355bede6a
browser_side (jid): remove JID constructor special error handling (it's better to get the full backtrace)
| author | souliane <souliane@mailoo.org> |
|---|---|
| date | Sat, 18 Oct 2014 13:54:13 +0200 |
| parents | b07f0fe2763a |
| children | a5019e62c3e9 |
| 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 |
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32 from pyjamas.ui.HTML import HTML |
| 83 | 33 from pyjamas.ui.Button import Button |
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34 from pyjamas.ui.Widget import Widget |
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35 from pyjamas.ui.DragWidget import DragWidget |
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36 from pyjamas.ui.DropWidget import DropWidget |
| 19 | 37 from pyjamas.ui.ClickListener import ClickHandler |
| 83 | 38 from pyjamas.ui import HasAlignment |
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39 from pyjamas import DOM |
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40 from pyjamas import Window |
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41 |
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42 from __pyjamas__ import doc |
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43 |
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44 import dialog |
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45 import base_menu |
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46 |
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47 |
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48 class DragLabel(DragWidget): |
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49 |
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50 def __init__(self, text, _type): |
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51 DragWidget.__init__(self) |
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52 self._text = text |
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53 self._type = _type |
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54 |
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55 def onDragStart(self, event): |
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56 dt = event.dataTransfer |
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57 dt.setData('text/plain', "%s\n%s" % (self._text, self._type)) |
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58 dt.setDragImage(self.getElement(), 15, 15) |
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59 |
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60 |
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61 class LiberviaDragWidget(DragLabel): |
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62 """ A DragLabel which keep the widget being dragged as class value """ |
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63 current = None # widget currently dragged |
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64 |
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65 def __init__(self, text, _type, widget): |
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66 DragLabel.__init__(self, text, _type) |
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67 self.widget = widget |
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68 |
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69 def onDragStart(self, event): |
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70 LiberviaDragWidget.current = self.widget |
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71 DragLabel.onDragStart(self, event) |
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72 |
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73 def onDragEnd(self, event): |
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74 LiberviaDragWidget.current = None |
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75 |
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76 |
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77 class DropCell(DropWidget): |
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78 """Cell in the middle grid which replace itself with the dropped widget on DnD""" |
| 195 | 79 drop_keys = {} |
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80 |
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81 def __init__(self, host): |
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82 DropWidget.__init__(self) |
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83 self.host = host |
| 83 | 84 self.setStyleName('dropCell') |
| 195 | 85 |
| 86 @classmethod | |
| 87 def addDropKey(cls, key, callback): | |
| 88 DropCell.drop_keys[key] = callback | |
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89 |
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90 def onDragEnter(self, event): |
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91 if self == LiberviaDragWidget.current: |
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92 return |
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93 self.addStyleName('dragover') |
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94 DOM.eventPreventDefault(event) |
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95 |
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96 def onDragLeave(self, event): |
| 33 | 97 if event.clientX <= self.getAbsoluteLeft() or event.clientY <= self.getAbsoluteTop() or\ |
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98 event.clientX >= self.getAbsoluteLeft() + self.getOffsetWidth() - 1 or event.clientY >= self.getAbsoluteTop() + self.getOffsetHeight() - 1: |
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99 # We check that we are inside widget's box, and we don't remove the style in this case because |
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100 # if the mouse is over a widget inside the DropWidget, if will leave the DropWidget, and we |
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101 # don't want that |
| 33 | 102 self.removeStyleName('dragover') |
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103 |
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104 def onDragOver(self, event): |
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105 DOM.eventPreventDefault(event) |
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106 |
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107 def _getCellAndRow(self, grid, event): |
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108 """Return cell and row index where the event is occuring""" |
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109 cell = grid.getEventTargetCell(event) |
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110 row = DOM.getParent(cell) |
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111 return (row.rowIndex, cell.cellIndex) |
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112 |
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113 def onDrop(self, event): |
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114 self.removeStyleName('dragover') |
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115 DOM.eventPreventDefault(event) |
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116 dt = event.dataTransfer |
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117 # 'text', 'text/plain', and 'Text' are equivalent. |
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118 try: |
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119 item, item_type = dt.getData("text/plain").split('\n') # Workaround for webkit, only text/plain seems to be managed |
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120 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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121 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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122 # item_type = dt.getData("type") |
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123 log.debug("message: %s" % item) |
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124 log.debug("type: %s" % item_type) |
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125 except: |
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126 log.debug("no message found") |
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127 item = ' ' |
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128 item_type = None |
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129 if item_type == "WIDGET": |
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130 if not LiberviaDragWidget.current: |
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131 log.error("No widget registered in LiberviaDragWidget !") |
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132 return |
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133 _new_panel = LiberviaDragWidget.current |
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134 if self == _new_panel: # We can't drop on ourself |
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135 return |
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136 # we need to remove the widget from the panel as it will be inserted elsewhere |
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137 widgets_panel = _new_panel.getWidgetsPanel() |
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138 wid_row = widgets_panel.getWidgetCoords(_new_panel)[0] |
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139 row_wids = widgets_panel.getLiberviaRowWidgets(wid_row) |
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140 if len(row_wids) == 1 and wid_row == widgets_panel.getWidgetCoords(self)[0]: |
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141 # the dropped widget is the only one in the same row |
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142 # as the target widget (self), we don't do anything |
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143 return |
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144 widgets_panel.removeWidget(_new_panel) |
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145 elif item_type in self.drop_keys: |
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146 _new_panel = self.drop_keys[item_type](self.host, item) |
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147 else: |
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148 log.warning("unmanaged item type") |
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149 return |
| 84 | 150 if isinstance(self, LiberviaWidget): |
| 151 self.host.unregisterWidget(self) | |
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152 self.onQuit() |
| 84 | 153 if not isinstance(_new_panel, LiberviaWidget): |
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154 log.warning("droping an object which is not a class of LiberviaWidget") |
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155 _flextable = self.getParent() |
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156 _widgetspanel = _flextable.getParent().getParent() |
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157 row_idx, cell_idx = self._getCellAndRow(_flextable, event) |
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158 if self.host.getSelected == self: |
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159 self.host.setSelected(None) |
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160 _widgetspanel.changeWidget(row_idx, cell_idx, _new_panel) |
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161 """_unempty_panels = filter(lambda wid:not isinstance(wid,EmptyWidget),list(_flextable)) |
| 34 | 162 _width = 90/float(len(_unempty_panels) or 1) |
| 163 #now we resize all the cell of the column | |
| 164 for panel in _unempty_panels: | |
| 165 td_elt = panel.getElement().parentNode | |
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166 DOM.setStyleAttribute(td_elt, "width", "%s%%" % _width)""" |
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167 #FIXME: delete object ? Check the right way with pyjamas |
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168 |
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169 |
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170 class WidgetMenuBar(base_menu.GenericMenuBar): |
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171 |
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172 ITEM_TPL = "<img src='media/icons/misc/%s.png' />" |
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173 |
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174 def __init__(self, parent, host, vertical=False, styles=None): |
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175 menu_styles = {'menu_bar': 'widgetHeader_buttonGroup'} |
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176 if styles: |
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177 menu_styles.update(styles) |
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178 base_menu.GenericMenuBar.__init__(self, host, vertical=vertical, styles=menu_styles) |
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179 |
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180 if hasattr(parent, 'addMenus'): |
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181 # regroup all the dynamic menu categories in a sub-menu |
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182 sub_menu = WidgetSubMenuBar(host, vertical=True) |
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183 parent.addMenus(sub_menu) |
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184 if len(sub_menu.getCategories()) > 0: |
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185 self.addCategory('', '', 'plugins', sub_menu) |
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186 |
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187 @classmethod |
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188 def getCategoryHTML(cls, menu_name_i18n, type_): |
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189 return cls.ITEM_TPL % type_ |
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190 |
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191 |
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192 class WidgetSubMenuBar(base_menu.GenericMenuBar): |
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193 |
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194 def __init__(self, host, vertical=True): |
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195 base_menu.GenericMenuBar.__init__(self, host, vertical=vertical, flat_level=1) |
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196 |
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197 @classmethod |
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198 def getCategoryHTML(cls, menu_name_i18n, type_): |
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199 return menu_name_i18n |
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200 |
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201 |
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202 class WidgetHeader(AbsolutePanel, LiberviaDragWidget): |
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203 |
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204 def __init__(self, parent, host, title, info=None): |
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205 """ |
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206 @param parent (LiberviaWidget): LiberWidget instance |
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207 @param host (SatWebFrontend): SatWebFrontend instance |
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208 @param title (Label, HTML): text widget instance |
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209 @param info (Widget): text widget instance |
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210 """ |
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211 AbsolutePanel.__init__(self) |
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212 self.add(title) |
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213 if info: |
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214 # FIXME: temporary design to display the info near the menu |
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215 button_group_wrapper = HorizontalPanel() |
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216 button_group_wrapper.add(info) |
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217 else: |
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218 button_group_wrapper = SimplePanel() |
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219 button_group_wrapper.setStyleName('widgetHeader_buttonsWrapper') |
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220 button_group = WidgetMenuBar(parent, host) |
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221 button_group.addItem('<img src="media/icons/misc/settings.png"/>', True, base_menu.MenuCmd(parent, 'onSetting')) |
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222 button_group.addItem('<img src="media/icons/misc/close.png"/>', True, base_menu.MenuCmd(parent, 'onClose')) |
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223 button_group_wrapper.add(button_group) |
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224 self.add(button_group_wrapper) |
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225 self.addStyleName('widgetHeader') |
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226 LiberviaDragWidget.__init__(self, "", "WIDGET", parent) |
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227 |
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228 |
| 84 | 229 class LiberviaWidget(DropCell, VerticalPanel, ClickHandler): |
| 83 | 230 """Libervia's widget which can replace itself with a dropped widget on DnD""" |
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231 |
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232 def __init__(self, host, title='', info=None, selectable=False): |
| 84 | 233 """Init the widget |
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234 @param host (SatWebFrontend): SatWebFrontend instance |
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235 @param title (str): title shown in the header of the widget |
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236 @param info (str, callable): info shown in the header of the widget |
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237 @param selectable (bool): True is widget can be selected by user""" |
| 83 | 238 VerticalPanel.__init__(self) |
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239 DropCell.__init__(self, host) |
| 84 | 240 ClickHandler.__init__(self) |
| 241 self.__selectable = selectable | |
| 242 self.__title_id = HTMLPanel.createUniqueId() | |
| 243 self.__setting_button_id = HTMLPanel.createUniqueId() | |
| 244 self.__close_button_id = HTMLPanel.createUniqueId() | |
| 245 self.__title = Label(title) | |
| 246 self.__title.setStyleName('widgetHeader_title') | |
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247 if info is not None: |
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248 if isinstance(info, str): |
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249 self.__info = HTML(info) |
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250 else: # the info will be set by a callback |
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251 assert(callable(info)) |
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252 self.__info = HTML() |
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253 info(self.__info.setHTML) |
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254 self.__info.setStyleName('widgetHeader_info') |
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255 else: |
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256 self.__info = None |
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257 self._close_listeners = [] |
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258 header = WidgetHeader(self, host, self.__title, self.__info) |
| 83 | 259 self.add(header) |
| 260 self.setSize('100%', '100%') | |
| 261 self.addStyleName('widget') | |
| 84 | 262 if self.__selectable: |
| 263 self.addClickListener(self) | |
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264 |
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265 def onClose(sender): |
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266 """Check dynamically if the unibox is enable or not""" |
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267 if self.host.uni_box: |
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268 self.host.uni_box.onWidgetClosed(sender) |
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269 |
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270 self.addCloseListener(onClose) |
| 84 | 271 self.host.registerWidget(self) |
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272 |
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273 def getDebugName(self): |
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274 return "%s (%s)" % (self, self.__title.getText()) |
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275 |
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276 def getWidgetsPanel(self, expect=True): |
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277 return self.getParent(WidgetsPanel, expect) |
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278 |
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279 def getParent(self, class_=None, expect=True): |
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280 """Return the closest ancestor of the specified class. |
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281 |
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282 Note: this method overrides pyjamas.ui.Widget.getParent |
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283 |
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284 @param class_: class of the ancestor to look for or None to return the first parent |
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285 @param expect: set to True if the parent is expected (print a message if not found) |
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286 @return: the parent/ancestor or None if it has not been found |
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287 """ |
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288 current = Widget.getParent(self) |
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289 if class_ is None: |
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290 return current # this is the default behavior |
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291 while current is not None and not isinstance(current, class_): |
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292 current = Widget.getParent(current) |
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293 if current is None and expect: |
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294 log.error("Can't find parent %s for %s" % (class_, self)) |
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295 return current |
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296 |
| 84 | 297 def onClick(self, sender): |
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298 self.host.setSelected(self) |
| 83 | 299 |
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300 def onClose(self, sender): |
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301 """ Called when the close button is pushed """ |
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302 _widgetspanel = self.getWidgetsPanel() |
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303 _widgetspanel.removeWidget(self) |
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304 for callback in self._close_listeners: |
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305 callback(self) |
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306 self.onQuit() |
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307 |
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308 def onQuit(self): |
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309 """ Called when the widget is actually ending """ |
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310 pass |
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311 |
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312 def addCloseListener(self, callback): |
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313 """Add a close listener to this widget |
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314 @param callback: function to be called from self.onClose""" |
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315 self._close_listeners.append(callback) |
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316 |
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317 def refresh(self): |
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318 """This can be overwritten by a child class to refresh the display when, |
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319 instead of creating a new one, an existing widget is found and reused. |
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320 """ |
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321 pass |
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322 |
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323 def onSetting(self, sender): |
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324 widpanel = self.getWidgetsPanel() |
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325 row, col = widpanel.getIndex(self) |
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326 body = VerticalPanel() |
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327 |
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328 # colspan & rowspan |
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329 colspan = widpanel.getColSpan(row, col) |
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330 rowspan = widpanel.getRowSpan(row, col) |
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331 |
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332 def onColSpanChange(value): |
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333 widpanel.setColSpan(row, col, value) |
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334 |
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335 def onRowSpanChange(value): |
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336 widpanel.setRowSpan(row, col, value) |
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337 colspan_setter = dialog.IntSetter("Columns span", colspan) |
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338 colspan_setter.addValueChangeListener(onColSpanChange) |
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339 colspan_setter.setWidth('100%') |
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340 rowspan_setter = dialog.IntSetter("Rows span", rowspan) |
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341 rowspan_setter.addValueChangeListener(onRowSpanChange) |
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342 rowspan_setter.setWidth('100%') |
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343 body.add(colspan_setter) |
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344 body.add(rowspan_setter) |
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345 |
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346 # size |
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347 width_str = self.getWidth() |
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348 if width_str.endswith('px'): |
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349 width = int(width_str[:-2]) |
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350 else: |
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351 width = 0 |
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352 height_str = self.getHeight() |
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353 if height_str.endswith('px'): |
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354 height = int(height_str[:-2]) |
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355 else: |
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356 height = 0 |
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357 |
|
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358 def onWidthChange(value): |
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359 if not value: |
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360 self.setWidth('100%') |
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361 else: |
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362 self.setWidth('%dpx' % value) |
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363 |
|
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364 def onHeightChange(value): |
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365 if not value: |
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366 self.setHeight('100%') |
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367 else: |
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368 self.setHeight('%dpx' % value) |
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369 width_setter = dialog.IntSetter("width (0=auto)", width) |
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370 width_setter.addValueChangeListener(onWidthChange) |
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371 width_setter.setWidth('100%') |
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372 height_setter = dialog.IntSetter("height (0=auto)", height) |
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373 height_setter.addValueChangeListener(onHeightChange) |
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374 height_setter.setHeight('100%') |
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375 body.add(width_setter) |
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376 body.add(height_setter) |
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377 |
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378 # reset |
|
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379 def onReset(sender): |
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380 colspan_setter.setValue(1) |
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381 rowspan_setter.setValue(1) |
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382 width_setter.setValue(0) |
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383 height_setter.setValue(0) |
|
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384 |
|
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385 reset_bt = Button("Reset", onReset) |
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386 body.add(reset_bt) |
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387 body.setCellHorizontalAlignment(reset_bt, HasAlignment.ALIGN_CENTER) |
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388 |
|
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389 _dialog = dialog.GenericDialog("Widget setting", body) |
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390 _dialog.show() |
|
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391 |
| 83 | 392 def setTitle(self, text): |
| 393 """change the title in the header of the widget | |
| 394 @param text: text of the new title""" | |
| 84 | 395 self.__title.setText(text) |
| 396 | |
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397 def setHeaderInfo(self, text): |
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398 """change the info in the header of the widget |
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399 @param text: text of the new title""" |
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400 try: |
|
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401 self.__info.setHTML(text) |
|
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402 except TypeError: |
|
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403 log.error("LiberviaWidget.setInfo: info widget has not been initialized!") |
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404 |
| 84 | 405 def isSelectable(self): |
| 406 return self.__selectable | |
| 407 | |
| 408 def setSelectable(self, selectable): | |
| 409 if not self.__selectable: | |
| 410 try: | |
| 411 self.removeClickListener(self) | |
| 412 except ValueError: | |
| 413 pass | |
| 414 if self.selectable and not self in self._clickListeners: | |
| 415 self.addClickListener(self) | |
| 416 self.__selectable = selectable | |
| 83 | 417 |
|
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418 def getWarningData(self): |
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419 """ Return exposition warning level when this widget is selected and something is sent to it |
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420 This method should be overriden by children |
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421 @return: tuple (warning level type/HTML msg). Type can be one of: |
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422 - PUBLIC |
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423 - GROUP |
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424 - ONE2ONE |
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425 - MISC |
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426 - NONE |
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427 """ |
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428 if not self.__selectable: |
|
439
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429 log.error("getWarningLevel must not be called for an unselectable widget") |
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430 raise Exception |
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431 # TODO: cleaner warning types (more general constants) |
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432 return ("NONE", None) |
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433 |
| 83 | 434 def setWidget(self, widget, scrollable=True): |
| 435 """Set the widget that will be in the body of the LiberviaWidget | |
| 436 @param widget: widget to put in the body | |
| 437 @param scrollable: if true, the widget will be in a ScrollPanelWrapper""" | |
| 438 if scrollable: | |
| 439 _scrollpanelwrapper = ScrollPanelWrapper() | |
| 440 _scrollpanelwrapper.setStyleName('widgetBody') | |
| 441 _scrollpanelwrapper.setWidget(widget) | |
| 442 body_wid = _scrollpanelwrapper | |
| 443 else: | |
| 444 body_wid = widget | |
| 445 self.add(body_wid) | |
| 446 self.setCellHeight(body_wid, '100%') | |
| 447 | |
|
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448 def doDetachChildren(self): |
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449 # We need to force the use of a panel subclass method here, |
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450 # for the same reason as doAttachChildren |
|
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451 VerticalPanel.doDetachChildren(self) |
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452 |
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453 def doAttachChildren(self): |
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454 # We need to force the use of a panel subclass method here, else |
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455 # the event will not propagate to children |
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456 VerticalPanel.doAttachChildren(self) |
| 83 | 457 |
|
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458 def matchEntity(self, item): |
|
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459 """Check if this widget corresponds to the given entity. |
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460 |
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461 This method should be overwritten by child classes. |
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462 @return: True if the widget matches the entity""" |
|
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463 raise NotImplementedError |
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464 |
|
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465 def addMenus(self, menu_bar): |
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466 """Add menus to the header. |
|
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467 |
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468 This method can be overwritten by child classes. |
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469 @param menu_bar (GenericMenuBar): menu bar of the widget's header |
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470 """ |
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471 pass |
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472 |
|
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473 |
| 34 | 474 class ScrollPanelWrapper(SimplePanel): |
| 475 """Scroll Panel like component, wich use the full available space | |
| 476 to work around percent size issue, it use some of the ideas found | |
| 477 here: http://code.google.com/p/google-web-toolkit/issues/detail?id=316 | |
| 478 specially in code given at comment #46, thanks to Stefan Bachert""" | |
| 479 | |
| 480 def __init__(self, *args, **kwargs): | |
| 481 SimplePanel.__init__(self) | |
| 482 self.spanel = ScrollPanel(*args, **kwargs) | |
| 483 SimplePanel.setWidget(self, self.spanel) | |
| 484 DOM.setStyleAttribute(self.getElement(), "position", "relative") | |
| 485 DOM.setStyleAttribute(self.getElement(), "top", "0px") | |
| 486 DOM.setStyleAttribute(self.getElement(), "left", "0px") | |
| 487 DOM.setStyleAttribute(self.getElement(), "width", "100%") | |
| 488 DOM.setStyleAttribute(self.getElement(), "height", "100%") | |
| 489 DOM.setStyleAttribute(self.spanel.getElement(), "position", "absolute") | |
| 490 DOM.setStyleAttribute(self.spanel.getElement(), "width", "100%") | |
| 491 DOM.setStyleAttribute(self.spanel.getElement(), "height", "100%") | |
| 492 | |
| 493 def setWidget(self, widget): | |
| 494 self.spanel.setWidget(widget) | |
| 495 | |
| 496 def setScrollPosition(self, position): | |
| 497 self.spanel.setScrollPosition(position) | |
| 498 | |
| 499 def scrollToBottom(self): | |
| 500 self.setScrollPosition(self.spanel.getElement().scrollHeight) | |
| 501 | |
|
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502 |
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503 class EmptyWidget(DropCell, SimplePanel): |
|
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504 """Empty dropable panel""" |
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505 |
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506 def __init__(self, host): |
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507 SimplePanel.__init__(self) |
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508 DropCell.__init__(self, host) |
|
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509 #self.setWidget(HTML('')) |
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510 self.setSize('100%', '100%') |
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511 |
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512 |
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513 class BorderWidget(EmptyWidget): |
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514 def __init__(self, host): |
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515 EmptyWidget.__init__(self, host) |
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516 self.addStyleName('borderPanel') |
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517 |
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518 |
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519 class LeftBorderWidget(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('leftBorderWidget') |
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523 |
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524 |
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525 class RightBorderWidget(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('rightBorderWidget') |
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529 |
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530 |
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531 class BottomBorderWidget(BorderWidget): |
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532 def __init__(self, host): |
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533 BorderWidget.__init__(self, host) |
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534 self.addStyleName('bottomBorderWidget') |
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535 |
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536 |
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537 class WidgetsPanel(ScrollPanelWrapper): |
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538 |
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539 def __init__(self, host, locked=False): |
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540 ScrollPanelWrapper.__init__(self) |
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541 self.setSize('100%', '100%') |
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542 self.host = host |
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543 self.locked = locked # if True: tab will not be removed when there are no more widgets inside |
|
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544 self.selected = None |
| 83 | 545 self.flextable = FlexTable() |
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546 self.flextable.setSize('100%', '100%') |
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547 self.setWidget(self.flextable) |
| 83 | 548 self.setStyleName('widgetsPanel') |
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549 _bottom = BottomBorderWidget(self.host) |
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550 self.flextable.setWidget(0, 0, _bottom) # There will be always an Empty widget on the last row, |
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551 # dropping a widget there will add a new row |
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552 td_elt = _bottom.getElement().parentNode |
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553 DOM.setStyleAttribute(td_elt, "height", "1px") # needed so the cell adapt to the size of the border (specially in webkit) |
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554 self._max_cols = 1 # give the maximum number of columns i a raw |
| 83 | 555 |
|
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556 def isLocked(self): |
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557 return self.locked |
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558 |
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559 def changeWidget(self, row, col, wid): |
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560 """Change the widget in the given location, add row or columns when necessary""" |
|
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561 log.debug("changing widget: %s %s %s" % (wid.getDebugName(), row, col)) |
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562 last_row = max(0, self.flextable.getRowCount() - 1) |
| 83 | 563 try: |
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564 prev_wid = self.flextable.getWidget(row, col) |
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565 except: |
|
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566 log.error("Trying to change an unexisting widget !") |
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567 return |
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568 |
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569 cellFormatter = self.flextable.getFlexCellFormatter() |
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570 |
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571 if isinstance(prev_wid, BorderWidget): |
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572 # We are on a border, we must create a row and/or columns |
|
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573 log.debug("BORDER WIDGET") |
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574 prev_wid.removeStyleName('dragover') |
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575 |
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576 if isinstance(prev_wid, BottomBorderWidget): |
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577 # We are on the bottom border, we create a new row |
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578 self.flextable.insertRow(last_row) |
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579 self.flextable.setWidget(last_row, 0, LeftBorderWidget(self.host)) |
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580 self.flextable.setWidget(last_row, 1, wid) |
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581 self.flextable.setWidget(last_row, 2, RightBorderWidget(self.host)) |
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582 cellFormatter.setHorizontalAlignment(last_row, 2, HasAlignment.ALIGN_RIGHT) |
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583 row = last_row |
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584 |
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585 elif isinstance(prev_wid, LeftBorderWidget): |
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586 if col != 0: |
|
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587 log.error("LeftBorderWidget must be on the first column !") |
|
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588 return |
|
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589 self.flextable.insertCell(row, col + 1) |
|
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590 self.flextable.setWidget(row, 1, wid) |
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591 |
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592 elif isinstance(prev_wid, RightBorderWidget): |
|
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593 if col != self.flextable.getCellCount(row) - 1: |
|
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594 log.error("RightBorderWidget must be on the last column !") |
|
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595 return |
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596 self.flextable.insertCell(row, col) |
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597 self.flextable.setWidget(row, col, wid) |
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598 |
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599 else: |
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600 prev_wid.removeFromParent() |
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601 self.flextable.setWidget(row, col, wid) |
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602 |
|
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603 _max_cols = max(self._max_cols, self.flextable.getCellCount(row)) |
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604 if _max_cols != self._max_cols: |
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605 self._max_cols = _max_cols |
|
86
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606 self._sizesAdjust() |
|
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607 |
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608 def _sizesAdjust(self): |
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609 cellFormatter = self.flextable.getFlexCellFormatter() |
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610 width = 100.0 / max(1, self._max_cols - 2) # we don't count the borders |
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611 |
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612 for row_idx in xrange(self.flextable.getRowCount()): |
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613 for col_idx in xrange(self.flextable.getCellCount(row_idx)): |
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614 _widget = self.flextable.getWidget(row_idx, col_idx) |
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615 if not isinstance(_widget, BorderWidget): |
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616 td_elt = _widget.getElement().parentNode |
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617 DOM.setStyleAttribute(td_elt, "width", "%.2f%%" % width) |
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618 |
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619 last_row = max(0, self.flextable.getRowCount() - 1) |
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620 cellFormatter.setColSpan(last_row, 0, self._max_cols) |
| 178 | 621 |
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622 def addWidget(self, wid): |
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623 """Add a widget to a new cell on the next to last row""" |
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624 last_row = max(0, self.flextable.getRowCount() - 1) |
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625 log.debug("putting widget %s at %d, %d" % (wid.getDebugName(), last_row, 0)) |
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626 self.changeWidget(last_row, 0, wid) |
| 83 | 627 |
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628 def removeWidget(self, wid): |
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629 """Remove a widget and the cell where it is""" |
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630 _row, _col = self.flextable.getIndex(wid) |
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631 self.flextable.remove(wid) |
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632 self.flextable.removeCell(_row, _col) |
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633 if not self.getLiberviaRowWidgets(_row): # we have no more widgets, we remove the row |
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634 self.flextable.removeRow(_row) |
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635 _max_cols = 1 |
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636 for row_idx in xrange(self.flextable.getRowCount()): |
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637 _max_cols = max(_max_cols, self.flextable.getCellCount(row_idx)) |
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638 if _max_cols != self._max_cols: |
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639 self._max_cols = _max_cols |
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640 self._sizesAdjust() |
|
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641 current = self |
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642 |
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643 blank_page = self.getLiberviaWidgetsCount() == 0 # do we still have widgets on the page ? |
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644 |
|
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645 if blank_page and not self.isLocked(): |
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646 # we now notice the MainTabPanel that the WidgetsPanel is empty and need to be removed |
|
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647 while current is not None: |
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648 if isinstance(current, MainTabPanel): |
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649 current.onWidgetPanelRemove(self) |
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650 return |
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651 current = current.getParent() |
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652 log.error("no MainTabPanel found !") |
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653 |
|
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654 def getWidgetCoords(self, wid): |
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655 return self.flextable.getIndex(wid) |
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656 |
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657 def getLiberviaRowWidgets(self, row): |
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658 """ Return all the LiberviaWidget in the row """ |
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659 return [wid for wid in self.getRowWidgets(row) if isinstance(wid, LiberviaWidget)] |
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660 |
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661 def getRowWidgets(self, row): |
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662 """ Return all the widgets in the row """ |
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663 widgets = [] |
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664 cols = self.flextable.getCellCount(row) |
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665 for col in xrange(cols): |
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666 widgets.append(self.flextable.getWidget(row, col)) |
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667 return widgets |
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668 |
|
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669 def getLiberviaWidgetsCount(self): |
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670 """ Get count of contained widgets """ |
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671 return len([wid for wid in self.flextable if isinstance(wid, LiberviaWidget)]) |
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672 |
|
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673 def getIndex(self, wid): |
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674 return self.flextable.getIndex(wid) |
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675 |
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676 def getColSpan(self, row, col): |
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677 cellFormatter = self.flextable.getFlexCellFormatter() |
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678 return cellFormatter.getColSpan(row, col) |
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679 |
|
90
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680 def setColSpan(self, row, col, value): |
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681 cellFormatter = self.flextable.getFlexCellFormatter() |
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682 return cellFormatter.setColSpan(row, col, value) |
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683 |
|
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684 def getRowSpan(self, row, col): |
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685 cellFormatter = self.flextable.getFlexCellFormatter() |
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686 return cellFormatter.getRowSpan(row, col) |
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687 |
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688 def setRowSpan(self, row, col, value): |
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689 cellFormatter = self.flextable.getFlexCellFormatter() |
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690 return cellFormatter.setRowSpan(row, col, value) |
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691 |
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243
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692 |
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693 class DropTab(Label, DropWidget): |
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694 |
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695 def __init__(self, tab_panel, text): |
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696 Label.__init__(self, text) |
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697 DropWidget.__init__(self, tab_panel) |
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698 self.tab_panel = tab_panel |
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699 self.setStyleName('dropCell') |
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700 self.setWordWrap(False) |
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701 DOM.setStyleAttribute(self.getElement(), "min-width", "30px") |
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702 |
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703 def _getIndex(self): |
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704 """ get current index of the DropTab """ |
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705 # XXX: awful hack, but seems the only way to get index |
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706 return self.tab_panel.tabBar.panel.getWidgetIndex(self.getParent().getParent()) - 1 |
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707 |
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708 def onDragEnter(self, event): |
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709 #if self == LiberviaDragWidget.current: |
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710 # return |
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711 self.addStyleName('dragover') |
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712 DOM.eventPreventDefault(event) |
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713 |
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714 def onDragLeave(self, event): |
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715 self.removeStyleName('dragover') |
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716 |
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717 def onDragOver(self, event): |
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718 DOM.eventPreventDefault(event) |
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719 |
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720 def onDrop(self, event): |
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721 DOM.eventPreventDefault(event) |
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722 self.removeStyleName('dragover') |
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723 if self._getIndex() == self.tab_panel.tabBar.getSelectedTab(): |
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724 # the widget come from the DragTab, so nothing to do, we let it there |
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725 return |
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726 |
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727 # FIXME: quite the same stuff as in DropCell, need some factorisation |
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728 dt = event.dataTransfer |
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729 # 'text', 'text/plain', and 'Text' are equivalent. |
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730 try: |
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731 item, item_type = dt.getData("text/plain").split('\n') # Workaround for webkit, only text/plain seems to be managed |
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732 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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733 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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734 # item_type = dt.getData("type") |
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735 log.debug("message: %s" % item) |
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736 log.debug("type: %s" % item_type) |
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737 except: |
|
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738 log.debug("no message found") |
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739 item = ' ' |
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740 item_type = None |
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741 if item_type == "WIDGET": |
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742 if not LiberviaDragWidget.current: |
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743 log.error("No widget registered in LiberviaDragWidget !") |
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744 return |
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745 _new_panel = LiberviaDragWidget.current |
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746 _new_panel.getWidgetsPanel().removeWidget(_new_panel) |
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747 elif item_type in DropCell.drop_keys: |
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748 _new_panel = DropCell.drop_keys[item_type](self.tab_panel.host, item) |
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749 else: |
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750 log.warning("unmanaged item type") |
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751 return |
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752 |
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753 widgets_panel = self.tab_panel.getWidget(self._getIndex()) |
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754 widgets_panel.addWidget(_new_panel) |
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755 |
|
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756 |
| 34 | 757 class MainTabPanel(TabPanel): |
| 23 | 758 |
| 759 def __init__(self, host): | |
| 33 | 760 TabPanel.__init__(self) |
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761 self.host = host |
| 23 | 762 self.tabBar.setVisible(False) |
|
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763 self.setStyleName('liberviaTabPanel') |
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764 self.addStyleName('mainTabPanel') |
| 33 | 765 Window.addWindowResizeListener(self) |
| 766 | |
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767 def getCurrentPanel(self): |
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768 """ Get the panel of the currently selected tab """ |
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769 return self.deck.visibleWidget |
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770 |
| 33 | 771 def onWindowResized(self, width, height): |
| 772 tab_panel_elt = self.getElement() | |
| 773 _elts = doc().getElementsByClassName('gwt-TabBar') | |
| 774 if not _elts.length: | |
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775 log.error("no TabBar found, it should exist !") |
| 33 | 776 tab_bar_h = 0 |
| 777 else: | |
| 778 tab_bar_h = _elts.item(0).offsetHeight | |
|
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779 ideal_height = height - DOM.getAbsoluteTop(tab_panel_elt) - tab_bar_h - 5 |
|
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780 ideal_width = width - DOM.getAbsoluteLeft(tab_panel_elt) - 5 |
|
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781 self.setWidth("%s%s" % (ideal_width, "px")) |
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782 self.setHeight("%s%s" % (ideal_height, "px")) |
| 23 | 783 |
|
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784 def add(self, widget, text=''): |
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785 tab = DropTab(self, text) |
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786 TabPanel.add(self, widget, tab, False) |
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787 if self.getWidgetCount() > 1: |
| 23 | 788 self.tabBar.setVisible(True) |
| 33 | 789 self.host.resize() |
|
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790 |
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791 def onWidgetPanelRemove(self, panel): |
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792 """ Called when a child WidgetsPanel is empty and need to be removed """ |
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793 self.remove(panel) |
|
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794 widgets_count = self.getWidgetCount() |
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795 if widgets_count == 1: |
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796 self.tabBar.setVisible(False) |
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797 self.host.resize() |
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798 self.selectTab(0) |
|
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799 else: |
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800 self.selectTab(widgets_count - 1) |