Mercurial > libervia-web
annotate browser_side/base_widget.py @ 320:a0ded7df30f7
browser_side: based on LiberviaWidget.getWidgetsPanel, add a generic method to retrieve the first ancestor of any class
| author | souliane <souliane@mailoo.org> |
|---|---|
| date | Fri, 03 Jan 2014 21:48:49 +0100 |
| parents | 05e264e96a1c |
| children | 0b7934e75e76 |
| 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 """ |
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5 Libervia: a Salut à Toi frontend |
| 165 | 6 Copyright (C) 2011, 2012, 2013 Jérôme Poisson <goffi@goffi.org> |
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7 |
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8 This program is free software: you can redistribute it and/or modify |
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9 it under the terms of the GNU Affero General Public License as published by |
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10 the Free Software Foundation, either version 3 of the License, or |
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11 (at your option) any later version. |
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12 |
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13 This program is distributed in the hope that it will be useful, |
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU Affero General Public License for more details. |
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17 |
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18 You should have received a copy of the GNU Affero General Public License |
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19 along with this program. If not, see <http://www.gnu.org/licenses/>. |
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20 """ |
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21 |
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22 import pyjd # this is dummy in pyjs |
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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 |
| 33 from pyjamas.ui.Image import Image | |
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34 from pyjamas.ui.Widget import Widget |
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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 import dialog |
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40 import logging |
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41 from tools import LiberviaDragWidget |
| 195 | 42 from pyjamas import Window |
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43 from __pyjamas__ import doc |
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44 |
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45 |
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46 class DropCell(DropWidget): |
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47 """Cell in the middle grid which replace itself with the dropped widget on DnD""" |
| 195 | 48 drop_keys = {} |
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49 |
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50 def __init__(self, host): |
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51 DropWidget.__init__(self) |
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52 self.host = host |
| 83 | 53 self.setStyleName('dropCell') |
| 195 | 54 |
| 55 @classmethod | |
| 56 def addDropKey(cls, key, callback): | |
| 57 DropCell.drop_keys[key] = callback | |
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58 |
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59 def onDragEnter(self, event): |
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60 if self == LiberviaDragWidget.current: |
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61 return |
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62 self.addStyleName('dragover') |
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63 DOM.eventPreventDefault(event) |
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64 |
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65 def onDragLeave(self, event): |
| 33 | 66 if event.clientX <= self.getAbsoluteLeft() or event.clientY <= self.getAbsoluteTop() or\ |
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67 event.clientX >= self.getAbsoluteLeft() + self.getOffsetWidth() - 1 or event.clientY >= self.getAbsoluteTop() + self.getOffsetHeight() - 1: |
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68 # We check that we are inside widget's box, and we don't remove the style in this case because |
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69 # if the mouse is over a widget inside the DropWidget, if will leave the DropWidget, and we |
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70 # don't want that |
| 33 | 71 self.removeStyleName('dragover') |
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72 |
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73 def onDragOver(self, event): |
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74 DOM.eventPreventDefault(event) |
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75 |
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76 def _getCellAndRow(self, grid, event): |
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77 """Return cell and row index where the event is occuring""" |
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78 cell = grid.getEventTargetCell(event) |
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79 row = DOM.getParent(cell) |
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80 return (row.rowIndex, cell.cellIndex) |
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81 |
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82 def onDrop(self, event): |
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83 DOM.eventPreventDefault(event) |
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84 dt = event.dataTransfer |
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85 # 'text', 'text/plain', and 'Text' are equivalent. |
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86 try: |
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87 item, item_type = dt.getData("text/plain").split('\n') # Workaround for webkit, only text/plain seems to be managed |
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88 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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89 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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90 # item_type = dt.getData("type") |
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91 print "message: %s" % item |
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92 print "type: %s" % item_type |
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93 except: |
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94 print "no message found" |
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95 item = ' ' |
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96 item_type = None |
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97 if item_type == "WIDGET": |
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98 if not LiberviaDragWidget.current: |
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99 print "ERROR: No widget registered in LiberviaDragWidget !" |
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100 return |
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101 _new_panel = LiberviaDragWidget.current |
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102 if self == _new_panel: # We can't drop on ourself |
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103 return |
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104 # we need to remove the widget from the panel as it will be inserted elsewhere |
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105 widgets_panel = _new_panel.getWidgetsPanel() |
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106 wid_row = widgets_panel.getWidgetCoords(_new_panel)[0] |
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107 row_wids = widgets_panel.getLiberviaRowWidgets(wid_row) |
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108 if len(row_wids) == 1 and wid_row == widgets_panel.getWidgetCoords(self)[0]: |
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109 # the dropped widget is the only one in the same row |
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110 # as the target widget (self), we don't do anything |
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111 self.removeStyleName('dragover') |
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112 return |
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113 widgets_panel.removeWidget(_new_panel) |
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114 elif item_type in self.drop_keys: |
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115 _new_panel = self.drop_keys[item_type](self.host, item) |
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116 elif item_type == "CONTACT_TEXTBOX": |
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117 # eventually open a window? |
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118 pass |
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119 else: |
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120 print "WARNING: unmanaged item type" |
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121 return |
| 84 | 122 if isinstance(self, LiberviaWidget): |
| 123 self.host.unregisterWidget(self) | |
|
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124 self.onQuit() |
| 84 | 125 if not isinstance(_new_panel, LiberviaWidget): |
| 126 print ('WARNING: droping an object which is not a class of LiberviaWidget') | |
|
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127 _flextable = self.getParent() |
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128 _widgetspanel = _flextable.getParent().getParent() |
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129 row_idx, cell_idx = self._getCellAndRow(_flextable, event) |
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130 if self.host.getSelected == self: |
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131 self.host.setSelected(None) |
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132 _widgetspanel.changeWidget(row_idx, cell_idx, _new_panel) |
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133 """_unempty_panels = filter(lambda wid:not isinstance(wid,EmptyWidget),list(_flextable)) |
| 34 | 134 _width = 90/float(len(_unempty_panels) or 1) |
| 135 #now we resize all the cell of the column | |
| 136 for panel in _unempty_panels: | |
| 137 td_elt = panel.getElement().parentNode | |
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138 DOM.setStyleAttribute(td_elt, "width", "%s%%" % _width)""" |
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139 #FIXME: delete object ? Check the right way with pyjamas |
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140 |
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141 |
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142 class WidgetHeader(AbsolutePanel, LiberviaDragWidget): |
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143 |
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144 def __init__(self, parent, title): |
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145 AbsolutePanel.__init__(self) |
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146 self.add(title) |
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147 button_group_wrapper = SimplePanel() |
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148 button_group_wrapper.setStyleName('widgetHeader_buttonsWrapper') |
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149 button_group = HorizontalPanel() |
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150 button_group.setStyleName('widgetHeader_buttonGroup') |
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151 setting_button = Image("media/icons/misc/settings.png") |
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152 setting_button.setStyleName('widgetHeader_settingButton') |
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153 setting_button.addClickListener(parent.onSetting) |
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154 close_button = Image("media/icons/misc/close.png") |
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155 close_button.setStyleName('widgetHeader_closeButton') |
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156 close_button.addClickListener(parent.onClose) |
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157 button_group.add(setting_button) |
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158 button_group.add(close_button) |
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159 button_group_wrapper.setWidget(button_group) |
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160 self.add(button_group_wrapper) |
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161 self.addStyleName('widgetHeader') |
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162 LiberviaDragWidget.__init__(self, "", "WIDGET", parent) |
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163 |
|
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164 |
| 84 | 165 class LiberviaWidget(DropCell, VerticalPanel, ClickHandler): |
| 83 | 166 """Libervia's widget which can replace itself with a dropped widget on DnD""" |
|
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167 |
| 84 | 168 def __init__(self, host, title='', selectable=False): |
| 169 """Init the widget | |
| 170 @param host: SatWebFrontend object | |
| 171 @param title: title show in the header of the widget | |
| 172 @param selectable: True is widget can be selected by user""" | |
| 83 | 173 VerticalPanel.__init__(self) |
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174 DropCell.__init__(self, host) |
| 84 | 175 ClickHandler.__init__(self) |
| 176 self.__selectable = selectable | |
| 177 self.__title_id = HTMLPanel.createUniqueId() | |
| 178 self.__setting_button_id = HTMLPanel.createUniqueId() | |
| 179 self.__close_button_id = HTMLPanel.createUniqueId() | |
| 180 self.__title = Label(title) | |
| 181 self.__title.setStyleName('widgetHeader_title') | |
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182 self._close_listeners = [] |
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183 header = WidgetHeader(self, self.__title) |
| 83 | 184 self.add(header) |
| 185 self.setSize('100%', '100%') | |
| 186 self.addStyleName('widget') | |
| 84 | 187 if self.__selectable: |
| 188 self.addClickListener(self) | |
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189 |
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190 def onClose(sender): |
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191 """Check dynamically if the unibox is enable or not""" |
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192 if self.host.uni_box: |
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193 self.host.uni_box.onWidgetClosed(sender) |
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194 |
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195 self.addCloseListener(onClose) |
| 84 | 196 self.host.registerWidget(self) |
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197 |
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198 def getDebugName(self): |
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199 return "%s (%s)" % (self, self.__title.getText()) |
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200 |
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201 def getWidgetsPanel(self, verbose=True): |
|
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202 return self.getParent(WidgetsPanel, verbose) |
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203 |
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204 def getParent(self, class_=None, verbose=True): |
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205 """ |
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206 Note: this method overrides pyjamas.ui.Widget.getParent |
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207 @param class_: class of the ancestor to look for or None to return the first parent |
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208 @param verbose: set to True to log error messages |
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209 @return: the parent/ancestor or None if it has not been found |
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210 """ |
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211 current = Widget.getParent(self) |
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212 if class_ is None: |
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213 return current # this is the default behavior |
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214 while current is not None and not isinstance(current, class_): |
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215 current = Widget.getParent(current) |
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216 if current is None and verbose: |
|
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217 logging.error("Can't find parent %s for %s" % (class_, self)) |
|
177
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218 return current |
|
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219 |
| 84 | 220 def onClick(self, sender): |
|
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221 self.host.setSelected(self) |
| 83 | 222 |
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223 def onClose(self, sender): |
|
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224 """ Called when the close button is pushed """ |
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225 _widgetspanel = self.getWidgetsPanel() |
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226 _widgetspanel.removeWidget(self) |
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227 for callback in self._close_listeners: |
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228 callback(self) |
|
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229 self.onQuit() |
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230 |
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231 def onQuit(self): |
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232 """ Called when the widget is actually ending """ |
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233 pass |
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234 |
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235 def addCloseListener(self, callback): |
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236 """Add a close listener to this widget |
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237 @param callback: function to be called from self.onClose""" |
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238 self._close_listeners.append(callback) |
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239 |
|
230
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240 def refresh(self): |
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241 """This can be overwritten by a child class to refresh the display when, |
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242 instead of creating a new one, an existing widget is found and reused. |
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243 """ |
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244 pass |
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245 |
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246 def onSetting(self, sender): |
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247 widpanel = self.getWidgetsPanel() |
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248 row, col = widpanel.getIndex(self) |
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249 body = VerticalPanel() |
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250 |
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251 # colspan & rowspan |
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252 colspan = widpanel.getColSpan(row, col) |
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253 rowspan = widpanel.getRowSpan(row, col) |
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254 |
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255 def onColSpanChange(value): |
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256 widpanel.setColSpan(row, col, value) |
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257 |
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258 def onRowSpanChange(value): |
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259 widpanel.setRowSpan(row, col, value) |
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260 colspan_setter = dialog.IntSetter("Columns span", colspan) |
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261 colspan_setter.addValueChangeListener(onColSpanChange) |
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262 colspan_setter.setWidth('100%') |
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263 rowspan_setter = dialog.IntSetter("Rows span", rowspan) |
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264 rowspan_setter.addValueChangeListener(onRowSpanChange) |
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265 rowspan_setter.setWidth('100%') |
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266 body.add(colspan_setter) |
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267 body.add(rowspan_setter) |
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268 |
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269 # size |
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270 width_str = self.getWidth() |
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271 if width_str.endswith('px'): |
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272 width = int(width_str[:-2]) |
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273 else: |
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274 width = 0 |
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275 height_str = self.getHeight() |
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276 if height_str.endswith('px'): |
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277 height = int(height_str[:-2]) |
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278 else: |
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279 height = 0 |
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280 |
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281 def onWidthChange(value): |
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282 if not value: |
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283 self.setWidth('100%') |
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284 else: |
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285 self.setWidth('%dpx' % value) |
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286 |
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287 def onHeightChange(value): |
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288 if not value: |
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289 self.setHeight('100%') |
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290 else: |
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291 self.setHeight('%dpx' % value) |
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292 width_setter = dialog.IntSetter("width (0=auto)", width) |
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293 width_setter.addValueChangeListener(onWidthChange) |
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294 width_setter.setWidth('100%') |
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295 height_setter = dialog.IntSetter("height (0=auto)", height) |
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296 height_setter.addValueChangeListener(onHeightChange) |
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297 height_setter.setHeight('100%') |
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298 body.add(width_setter) |
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299 body.add(height_setter) |
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300 |
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301 # reset |
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302 def onReset(sender): |
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303 colspan_setter.setValue(1) |
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304 rowspan_setter.setValue(1) |
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305 width_setter.setValue(0) |
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306 height_setter.setValue(0) |
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307 |
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308 reset_bt = Button("Reset", onReset) |
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309 body.add(reset_bt) |
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310 body.setCellHorizontalAlignment(reset_bt, HasAlignment.ALIGN_CENTER) |
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311 |
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312 _dialog = dialog.GenericDialog("Widget setting", body) |
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313 _dialog.show() |
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314 |
| 83 | 315 def setTitle(self, text): |
| 316 """change the title in the header of the widget | |
| 317 @param text: text of the new title""" | |
| 84 | 318 self.__title.setText(text) |
| 319 | |
| 320 def isSelectable(self): | |
| 321 return self.__selectable | |
| 322 | |
| 323 def setSelectable(self, selectable): | |
| 324 if not self.__selectable: | |
| 325 try: | |
| 326 self.removeClickListener(self) | |
| 327 except ValueError: | |
| 328 pass | |
| 329 if self.selectable and not self in self._clickListeners: | |
| 330 self.addClickListener(self) | |
| 331 self.__selectable = selectable | |
| 83 | 332 |
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333 def getWarningData(self): |
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334 """ Return exposition warning level when this widget is selected and something is sent to it |
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335 This method should be overriden by children |
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336 @return: tuple (warning level type/HTML msg). Type can be one of: |
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337 - PUBLIC |
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338 - GROUP |
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339 - ONE2ONE |
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340 - MISC |
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341 - NONE |
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342 """ |
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343 if not self.__selectable: |
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344 print "ERROR: getWarningLevel must not be called for an unselectable widget" |
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345 raise Exception |
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346 # TODO: cleaner warning types (more general constants) |
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347 return ("NONE", None) |
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348 |
| 83 | 349 def setWidget(self, widget, scrollable=True): |
| 350 """Set the widget that will be in the body of the LiberviaWidget | |
| 351 @param widget: widget to put in the body | |
| 352 @param scrollable: if true, the widget will be in a ScrollPanelWrapper""" | |
| 353 if scrollable: | |
| 354 _scrollpanelwrapper = ScrollPanelWrapper() | |
| 355 _scrollpanelwrapper.setStyleName('widgetBody') | |
| 356 _scrollpanelwrapper.setWidget(widget) | |
| 357 body_wid = _scrollpanelwrapper | |
| 358 else: | |
| 359 body_wid = widget | |
| 360 self.add(body_wid) | |
| 361 self.setCellHeight(body_wid, '100%') | |
| 362 | |
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363 def doDetachChildren(self): |
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364 # We need to force the use of a panel subclass method here, |
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365 # for the same reason as doAttachChildren |
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366 VerticalPanel.doDetachChildren(self) |
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367 |
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368 def doAttachChildren(self): |
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369 # We need to force the use of a panel subclass method here, else |
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370 # the event will not propagate to children |
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371 VerticalPanel.doAttachChildren(self) |
| 83 | 372 |
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373 def matchEntity(self, entity): |
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374 """This method should be overwritten by child classes.""" |
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375 raise NotImplementedError |
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376 |
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377 |
| 34 | 378 class ScrollPanelWrapper(SimplePanel): |
| 379 """Scroll Panel like component, wich use the full available space | |
| 380 to work around percent size issue, it use some of the ideas found | |
| 381 here: http://code.google.com/p/google-web-toolkit/issues/detail?id=316 | |
| 382 specially in code given at comment #46, thanks to Stefan Bachert""" | |
| 383 | |
| 384 def __init__(self, *args, **kwargs): | |
| 385 SimplePanel.__init__(self) | |
| 386 self.spanel = ScrollPanel(*args, **kwargs) | |
| 387 SimplePanel.setWidget(self, self.spanel) | |
| 388 DOM.setStyleAttribute(self.getElement(), "position", "relative") | |
| 389 DOM.setStyleAttribute(self.getElement(), "top", "0px") | |
| 390 DOM.setStyleAttribute(self.getElement(), "left", "0px") | |
| 391 DOM.setStyleAttribute(self.getElement(), "width", "100%") | |
| 392 DOM.setStyleAttribute(self.getElement(), "height", "100%") | |
| 393 DOM.setStyleAttribute(self.spanel.getElement(), "position", "absolute") | |
| 394 DOM.setStyleAttribute(self.spanel.getElement(), "width", "100%") | |
| 395 DOM.setStyleAttribute(self.spanel.getElement(), "height", "100%") | |
| 396 | |
| 397 def setWidget(self, widget): | |
| 398 self.spanel.setWidget(widget) | |
| 399 | |
| 400 def setScrollPosition(self, position): | |
| 401 self.spanel.setScrollPosition(position) | |
| 402 | |
| 403 def scrollToBottom(self): | |
| 404 self.setScrollPosition(self.spanel.getElement().scrollHeight) | |
| 405 | |
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406 |
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407 class EmptyWidget(DropCell, SimplePanel): |
|
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408 """Empty dropable panel""" |
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409 |
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410 def __init__(self, host): |
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411 SimplePanel.__init__(self) |
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412 DropCell.__init__(self, host) |
|
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413 #self.setWidget(HTML('')) |
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414 self.setSize('100%', '100%') |
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415 |
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416 |
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417 class BorderWidget(EmptyWidget): |
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418 def __init__(self, host): |
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419 EmptyWidget.__init__(self, host) |
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420 self.addStyleName('borderPanel') |
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421 |
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422 |
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423 class LeftBorderWidget(BorderWidget): |
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424 def __init__(self, host): |
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425 BorderWidget.__init__(self, host) |
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426 self.addStyleName('leftBorderWidget') |
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427 |
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428 |
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429 class RightBorderWidget(BorderWidget): |
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430 def __init__(self, host): |
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431 BorderWidget.__init__(self, host) |
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432 self.addStyleName('rightBorderWidget') |
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433 |
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434 |
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435 class BottomBorderWidget(BorderWidget): |
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436 def __init__(self, host): |
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437 BorderWidget.__init__(self, host) |
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438 self.addStyleName('bottomBorderWidget') |
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439 |
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440 |
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441 class WidgetsPanel(ScrollPanelWrapper): |
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442 |
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443 def __init__(self, host, locked=False): |
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444 ScrollPanelWrapper.__init__(self) |
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445 self.setSize('100%', '100%') |
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446 self.host = host |
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447 self.locked = locked # if True: tab will not be removed when there are no more widgets inside |
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448 self.selected = None |
| 83 | 449 self.flextable = FlexTable() |
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450 self.flextable.setSize('100%', '100%') |
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451 self.setWidget(self.flextable) |
| 83 | 452 self.setStyleName('widgetsPanel') |
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453 _bottom = BottomBorderWidget(self.host) |
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454 self.flextable.setWidget(0, 0, _bottom) # There will be always an Empty widget on the last row, |
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455 # dropping a widget there will add a new row |
|
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456 td_elt = _bottom.getElement().parentNode |
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457 DOM.setStyleAttribute(td_elt, "height", "1px") # needed so the cell adapt to the size of the border (specially in webkit) |
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458 self._max_cols = 1 # give the maximum number of columns i a raw |
| 83 | 459 |
|
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460 def isLocked(self): |
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461 return self.locked |
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462 |
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463 def changeWidget(self, row, col, wid): |
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464 """Change the widget in the given location, add row or columns when necessary""" |
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465 print "changing widget:", wid.getDebugName(), row, col |
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466 last_row = max(0, self.flextable.getRowCount() - 1) |
| 83 | 467 try: |
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468 prev_wid = self.flextable.getWidget(row, col) |
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469 except: |
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470 print "ERROR: Trying to change an unexisting widget !" |
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471 return |
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472 |
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473 cellFormatter = self.flextable.getFlexCellFormatter() |
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474 |
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475 if isinstance(prev_wid, BorderWidget): |
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476 # We are on a border, we must create a row and/or columns |
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477 print "BORDER WIDGET" |
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478 prev_wid.removeStyleName('dragover') |
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479 |
|
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480 if isinstance(prev_wid, BottomBorderWidget): |
|
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481 # We are on the bottom border, we create a new row |
|
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482 self.flextable.insertRow(last_row) |
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483 self.flextable.setWidget(last_row, 0, LeftBorderWidget(self.host)) |
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484 self.flextable.setWidget(last_row, 1, wid) |
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485 self.flextable.setWidget(last_row, 2, RightBorderWidget(self.host)) |
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486 cellFormatter.setHorizontalAlignment(last_row, 2, HasAlignment.ALIGN_RIGHT) |
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487 row = last_row |
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488 |
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489 elif isinstance(prev_wid, LeftBorderWidget): |
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490 if col != 0: |
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491 print "ERROR: LeftBorderWidget must be on the first column !" |
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492 return |
|
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493 self.flextable.insertCell(row, col + 1) |
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494 self.flextable.setWidget(row, 1, wid) |
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495 |
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496 elif isinstance(prev_wid, RightBorderWidget): |
|
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497 if col != self.flextable.getCellCount(row) - 1: |
|
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498 print "ERROR: RightBorderWidget must be on the last column !" |
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499 return |
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500 self.flextable.insertCell(row, col) |
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501 self.flextable.setWidget(row, col, wid) |
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502 |
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503 else: |
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504 prev_wid.removeFromParent() |
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505 self.flextable.setWidget(row, col, wid) |
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506 |
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507 _max_cols = max(self._max_cols, self.flextable.getCellCount(row)) |
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508 if _max_cols != self._max_cols: |
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509 self._max_cols = _max_cols |
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510 self._sizesAdjust() |
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511 |
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512 def _sizesAdjust(self): |
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513 cellFormatter = self.flextable.getFlexCellFormatter() |
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514 width = 100.0 / max(1, self._max_cols - 2) # we don't count the borders |
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515 |
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516 for row_idx in xrange(self.flextable.getRowCount()): |
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517 for col_idx in xrange(self.flextable.getCellCount(row_idx)): |
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518 _widget = self.flextable.getWidget(row_idx, col_idx) |
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519 if not isinstance(_widget, BorderWidget): |
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520 td_elt = _widget.getElement().parentNode |
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521 DOM.setStyleAttribute(td_elt, "width", "%.2f%%" % width) |
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522 |
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523 last_row = max(0, self.flextable.getRowCount() - 1) |
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524 cellFormatter.setColSpan(last_row, 0, self._max_cols) |
| 178 | 525 |
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526 def addWidget(self, wid): |
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527 """Add a widget to a new cell on the next to last row""" |
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528 last_row = max(0, self.flextable.getRowCount() - 1) |
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529 print "putting widget %s at %d, %d" % (wid.getDebugName(), last_row, 0) |
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530 self.changeWidget(last_row, 0, wid) |
| 83 | 531 |
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532 def removeWidget(self, wid): |
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533 """Remove a widget and the cell where it is""" |
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534 _row, _col = self.flextable.getIndex(wid) |
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535 self.flextable.remove(wid) |
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536 self.flextable.removeCell(_row, _col) |
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537 if not self.getLiberviaRowWidgets(_row): # we have no more widgets, we remove the row |
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538 self.flextable.removeRow(_row) |
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539 _max_cols = 1 |
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540 for row_idx in xrange(self.flextable.getRowCount()): |
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541 _max_cols = max(_max_cols, self.flextable.getCellCount(row_idx)) |
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542 if _max_cols != self._max_cols: |
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543 self._max_cols = _max_cols |
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544 self._sizesAdjust() |
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545 current = self |
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546 |
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547 blank_page = self.getLiberviaWidgetsCount() == 0 # do we still have widgets on the page ? |
|
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548 |
|
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97d5e9de1106
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549 if blank_page and not self.isLocked(): |
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550 # we now notice the MainTabPanel that the WidgetsPanel is empty and need to be removed |
|
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551 while current is not None: |
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552 if isinstance(current, MainTabPanel): |
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553 current.onWidgetPanelRemove(self) |
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554 return |
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555 current = current.getParent() |
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556 print "Error: no MainTabPanel found !" |
|
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557 |
|
197
0fc32122a877
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|
558 def getWidgetCoords(self, wid): |
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559 return self.flextable.getIndex(wid) |
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560 |
|
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561 def getLiberviaRowWidgets(self, row): |
|
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562 """ Return all the LiberviaWidget in the row """ |
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563 return [wid for wid in self.getRowWidgets(row) if isinstance(wid, LiberviaWidget)] |
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564 |
|
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565 def getRowWidgets(self, row): |
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566 """ Return all the widgets in the row """ |
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567 widgets = [] |
|
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568 cols = self.flextable.getCellCount(row) |
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|
569 for col in xrange(cols): |
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570 widgets.append(self.flextable.getWidget(row, col)) |
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|
571 return widgets |
|
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|
572 |
|
196
c2639c9f86ea
Browser Side: Widgets can now be moved, header (title bar) is draggable:
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573 def getLiberviaWidgetsCount(self): |
|
c2639c9f86ea
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574 """ Get count of contained widgets """ |
|
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575 return len([wid for wid in self.flextable if isinstance(wid, LiberviaWidget)]) |
|
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576 |
|
90
9729ed7171a6
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parents:
89
diff
changeset
|
577 def getIndex(self, wid): |
|
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578 return self.flextable.getIndex(wid) |
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diff
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579 |
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9729ed7171a6
browser side: Widgets' setting (col & row span can be changed
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diff
changeset
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580 def getColSpan(self, row, col): |
|
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581 cellFormatter = self.flextable.getFlexCellFormatter() |
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582 return cellFormatter.getColSpan(row, col) |
|
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583 |
|
90
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browser side: Widgets' setting (col & row span can be changed
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584 def setColSpan(self, row, col, value): |
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585 cellFormatter = self.flextable.getFlexCellFormatter() |
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diff
changeset
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586 return cellFormatter.setColSpan(row, col, value) |
|
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587 |
|
90
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parents:
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diff
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588 def getRowSpan(self, row, col): |
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changeset
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589 cellFormatter = self.flextable.getFlexCellFormatter() |
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parents:
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changeset
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590 return cellFormatter.getRowSpan(row, col) |
|
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591 |
|
90
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parents:
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diff
changeset
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592 def setRowSpan(self, row, col, value): |
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changeset
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593 cellFormatter = self.flextable.getFlexCellFormatter() |
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changeset
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594 return cellFormatter.setRowSpan(row, col, value) |
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diff
changeset
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595 |
|
243
63e9b680d3e7
browser_side, blog: better PEP8 compliance
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parents:
232
diff
changeset
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596 |
|
198
ab239b3b67b3
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diff
changeset
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597 class DropTab(Label, DropWidget): |
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changeset
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598 |
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changeset
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599 def __init__(self, tab_panel, text): |
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600 Label.__init__(self, text) |
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601 DropWidget.__init__(self, tab_panel) |
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602 self.tab_panel = tab_panel |
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changeset
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603 self.setStyleName('dropCell') |
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changeset
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604 self.setWordWrap(False) |
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605 DOM.setStyleAttribute(self.getElement(), "min-width", "30px") |
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diff
changeset
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606 |
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changeset
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607 def _getIndex(self): |
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608 """ get current index of the DropTab """ |
|
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609 # XXX: awful hack, but seems the only way to get index |
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610 return self.tab_panel.tabBar.panel.getWidgetIndex(self.getParent().getParent()) - 1 |
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611 |
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612 def onDragEnter(self, event): |
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613 #if self == LiberviaDragWidget.current: |
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614 # return |
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615 self.addStyleName('dragover') |
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616 DOM.eventPreventDefault(event) |
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617 |
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618 def onDragLeave(self, event): |
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619 self.removeStyleName('dragover') |
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620 |
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621 def onDragOver(self, event): |
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622 DOM.eventPreventDefault(event) |
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623 |
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624 def onDrop(self, event): |
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625 DOM.eventPreventDefault(event) |
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626 self.removeStyleName('dragover') |
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627 if self._getIndex() == self.tab_panel.tabBar.getSelectedTab(): |
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628 # the widget come from the DragTab, so nothing to do, we let it there |
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629 return |
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630 |
|
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631 # FIXME: quite the same stuff as in DropCell, need some factorisation |
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632 dt = event.dataTransfer |
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633 # 'text', 'text/plain', and 'Text' are equivalent. |
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634 try: |
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635 item, item_type = dt.getData("text/plain").split('\n') # Workaround for webkit, only text/plain seems to be managed |
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636 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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637 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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638 # item_type = dt.getData("type") |
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639 print "message: %s" % item |
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640 print "type: %s" % item_type |
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641 except: |
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642 print "no message found" |
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643 item = ' ' |
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644 item_type = None |
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645 if item_type == "WIDGET": |
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646 if not LiberviaDragWidget.current: |
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647 print "ERROR: No widget registered in LiberviaDragWidget !" |
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648 return |
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649 _new_panel = LiberviaDragWidget.current |
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650 _new_panel.getWidgetsPanel().removeWidget(_new_panel) |
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651 elif item_type in DropCell.drop_keys: |
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652 _new_panel = DropCell.drop_keys[item_type](self.tab_panel.host, item) |
|
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653 elif item_type == "CONTACT_TEXTBOX": |
|
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654 # eventually open a window? |
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655 pass |
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656 else: |
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657 print "WARNING: unmanaged item type" |
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658 return |
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659 |
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660 widgets_panel = self.tab_panel.getWidget(self._getIndex()) |
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661 widgets_panel.addWidget(_new_panel) |
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662 |
|
243
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663 |
| 34 | 664 class MainTabPanel(TabPanel): |
| 23 | 665 |
| 666 def __init__(self, host): | |
| 33 | 667 TabPanel.__init__(self) |
|
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668 self.host = host |
| 23 | 669 self.tabBar.setVisible(False) |
|
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670 self.setStyleName('liberviaTabPanel') |
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671 self.addStyleName('mainTabPanel') |
| 33 | 672 Window.addWindowResizeListener(self) |
| 673 | |
|
192
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674 def getCurrentPanel(self): |
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675 """ Get the panel of the currently selected tab """ |
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676 return self.deck.visibleWidget |
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677 |
| 33 | 678 def onWindowResized(self, width, height): |
| 679 tab_panel_elt = self.getElement() | |
| 680 _elts = doc().getElementsByClassName('gwt-TabBar') | |
| 681 if not _elts.length: | |
|
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682 print ("ERROR: no TabBar found, it should exist !") |
| 33 | 683 tab_bar_h = 0 |
| 684 else: | |
| 685 tab_bar_h = _elts.item(0).offsetHeight | |
|
187
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686 ideal_height = height - DOM.getAbsoluteTop(tab_panel_elt) - tab_bar_h - 5 |
|
185
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687 ideal_width = width - DOM.getAbsoluteLeft(tab_panel_elt) - 5 |
|
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688 self.setWidth("%s%s" % (ideal_width, "px")) |
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689 self.setHeight("%s%s" % (ideal_height, "px")) |
| 23 | 690 |
|
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691 def add(self, widget, text=''): |
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692 tab = DropTab(self, text) |
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693 TabPanel.add(self, widget, tab, False) |
|
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694 if self.getWidgetCount() > 1: |
| 23 | 695 self.tabBar.setVisible(True) |
| 33 | 696 self.host.resize() |
|
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697 |
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698 def onWidgetPanelRemove(self, panel): |
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699 """ Called when a child WidgetsPanel is empty and need to be removed """ |
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700 self.remove(panel) |
|
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701 widgets_count = self.getWidgetCount() |
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702 if widgets_count == 1: |
|
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703 self.tabBar.setVisible(False) |
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704 self.host.resize() |
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705 self.selectTab(0) |
|
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706 else: |
|
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707 self.selectTab(widgets_count - 1) |