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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 |
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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 from pyjamas.ui.VerticalPanel import VerticalPanel |
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23 from pyjamas.ui.HorizontalPanel import HorizontalPanel |
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24 from pyjamas.ui.CellPanel import CellPanel |
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25 from pyjamas.ui.TabPanel import TabPanel |
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26 from pyjamas.ui.Grid import Grid |
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27 from pyjamas.ui.Label import Label |
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28 from pyjamas.ui.TextBoxBase import TextBoxBase |
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29 from pyjamas.ui.TextBox import TextBox |
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30 from pyjamas.ui.PasswordTextBox import PasswordTextBox |
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31 from pyjamas.ui.TextArea import TextArea |
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32 from pyjamas.ui.CheckBox import CheckBox |
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33 from pyjamas.ui.ListBox import ListBox |
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34 from pyjamas.ui.Button import Button |
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35 from nativedom import NativeDOM |
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36 |
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37 |
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38 class InvalidXMLUI(Exception): |
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39 pass |
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40 |
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41 class Pairs(Grid): |
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42 |
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43 def __init__(self): |
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44 Grid.__init__(self, 0, 0) |
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45 self.row = 0 |
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46 self.col = 0 |
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47 |
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48 def append(self, widget): |
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49 if self.col == 0: |
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50 self.resize(self.row+1, 2) |
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51 self.setWidget(self.row, self.col, widget) |
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52 self.col += 1 |
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53 if self.col == 2: |
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54 self.row +=1 |
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55 self.col = 0 |
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56 |
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57 class XMLUI(VerticalPanel): |
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58 |
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59 def __init__(self, host, xml_data, title = None, options = None, misc = None, close_cb = None): |
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60 print "XMLUI init" |
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61 VerticalPanel.__init__(self) |
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62 self.dom = NativeDOM() |
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63 self.host = host |
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64 self.title = title |
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65 self.options = options or [] |
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66 self.misc = misc or {} |
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67 self.close_cb = close_cb |
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68 self.__dest = "window" |
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69 self.ctrl_list = {} # usefull to access ctrl |
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70 self.constructUI(xml_data) |
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71 self.setSize('100%', '100%') |
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72 |
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73 def setCloseCb(self, close_cb): |
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74 self.close_cb = close_cb |
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75 |
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76 def close(self): |
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77 if self.close_cb: |
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78 self.close_cb() |
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79 else: |
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80 print "WARNING: no close method defined" |
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81 |
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82 def __parseElems(self, node, parent): |
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83 """Parse elements inside a <layout> tags, and add them to the parent""" |
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84 for elem in node.childNodes: |
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85 if elem.nodeName != "elem": |
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86 raise Exception("Unmanaged tag [%s]" % (elem.nodeName)) |
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87 node_id = elem.getAttribute("node_id") |
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88 name = elem.getAttribute("name") |
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89 node_type = elem.getAttribute("type") |
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90 value = elem.getAttribute("value") if elem.hasAttribute('value') else u'' |
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91 if node_type=="empty": |
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92 ctrl = Label('') |
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93 elif node_type=="text": |
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94 try: |
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95 value = elem.childNodes[0].wholeText |
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96 except IndexError: |
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97 print ("WARNING: text node has no child !") |
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98 ctrl = Label(value) |
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99 elif node_type=="label": |
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100 ctrl = Label(value+": ") |
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101 elif node_type=="string": |
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102 ctrl = TextBox() |
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103 ctrl.setText(value) |
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104 self.ctrl_list[name] = ({'node_type':node_type, 'control':ctrl}) |
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105 elif node_type=="password": |
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106 ctrl = PasswordTextBox() |
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107 ctrl.setText(value) |
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108 self.ctrl_list[name] = ({'node_type':node_type, 'control':ctrl}) |
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109 elif node_type=="textbox": |
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110 ctrl = TextArea() |
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111 ctrl.setText(value) |
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112 self.ctrl_list[name] = ({'node_type':node_type, 'control':ctrl}) |
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113 elif node_type=="bool": |
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114 ctrl = CheckBox() |
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115 ctrl.setChecked(value=="true") |
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116 self.ctrl_list[name] = ({'node_type':node_type, 'control':ctrl}) |
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117 elif node_type=="list": |
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118 ctrl = ListBox() |
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119 ctrl.setMultipleSelect(elem.getAttribute("multi")=='yes') |
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120 for option in elem.getElementsByTagName("option"): |
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121 ctrl.addItem(option.getAttribute("value")) |
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122 self.ctrl_list[name] = ({'node_type':node_type, 'control':ctrl}) |
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123 elif node_type=="button": |
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124 callback_id = elem.getAttribute("callback_id") |
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125 ctrl = Button(value, self.onButtonPress) |
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126 ctrl.param_id = (callback_id,[field.getAttribute('name') for field in elem.getElementsByTagName("field_back")]) |
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127 else: |
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128 print("FIXME FIXME FIXME: type [%s] is not implemented" % node_type) #FIXME ! |
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129 raise NotImplementedError |
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130 if self.node_type == 'param': |
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131 if isinstance(ctrl,TextBoxBase): |
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132 ctrl.addChangeListener(self.onParamChange) |
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133 elif isinstance(ctrl, CheckBox): |
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134 ctrl.addClickListener(self.onParamChange) |
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135 ctrl._param_category = self._current_category |
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136 ctrl._param_name = name |
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137 parent.append(ctrl) |
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138 |
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139 def __parseChilds(self, current, elem, wanted = ['layout'], data = None): |
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140 """Recursively parse childNodes of an elemen |
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141 @param current: widget container with 'append' method |
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142 @param elem: element from which childs will be parsed |
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143 @param wanted: list of tag names that can be present in the childs to be SàT XMLUI compliant""" |
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144 for node in elem.childNodes: |
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145 if wanted and not node.nodeName in wanted: |
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146 raise InvalidXMLUI("ERROR: unexpected nodeName") |
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147 if node.nodeName == "layout": |
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148 node_type = node.getAttribute('type') |
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149 if node_type == "tabs": |
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150 tab_cont = TabPanel() |
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151 tab_cont.setStyleName('liberviaTabPanel') |
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152 tab_cont.setHeight('100%') |
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153 self.__parseChilds(current, node, ['category'], tab_cont) |
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154 current.append(tab_cont) |
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155 if isinstance(current, CellPanel): |
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156 current.setCellHeight(tab_cont, '100%') |
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157 elif node_type == "vertical": |
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158 self.__parseElems(node, current) |
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159 elif node_type == "pairs": |
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160 pairs = Pairs() |
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161 self.__parseElems(node, pairs) |
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162 current.append(pairs) |
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163 else: |
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164 print("WARNING: Unknown layout [%s], using default one" % (node_type,)) |
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165 self.__parseElems(node, current) |
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166 elif node.nodeName == "category": |
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167 name = node.getAttribute('name') |
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168 label = node.getAttribute('label') |
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169 if not name or not isinstance(data,TabPanel): |
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170 raise InvalidXMLUI |
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171 if self.node_type == 'param': |
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172 self._current_category = name #XXX: awful hack because params need category and we don't keep parent |
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173 tab_cont = data |
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174 tab_body = VerticalPanel() |
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175 tab_cont.add(tab_body, label or name) |
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176 self.__parseChilds(tab_body, node, ['layout']) |
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177 else: |
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178 message=_("Unknown tag") |
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179 raise NotImplementedError(message) |
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180 |
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181 def constructUI(self, xml_data): |
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182 |
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183 cat_dom = self.dom.parseString(xml_data) |
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184 |
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185 top=cat_dom.documentElement |
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186 self.node_type = top.getAttribute("type") |
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187 self.title = top.getAttribute("title") or self.title |
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188 if top.nodeName != "sat_xmlui" or not self.node_type in ['form', 'param', 'window']: |
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189 raise InvalidXMLUI |
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190 |
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191 if self.node_type == 'param': |
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192 self.param_changed = set() |
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193 |
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194 self.__parseChilds(self, cat_dom.documentElement) |
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195 |
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196 if self.node_type == 'form': |
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197 hpanel = HorizontalPanel() |
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198 hpanel.add(Button('Submit',self.onFormSubmitted)) |
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199 if not 'NO_CANCEL' in self.options: |
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200 hpanel.add(Button('Cancel',self.onFormCancelled)) |
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201 self.add(hpanel) |
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202 elif self.node_type == 'param': |
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203 assert(isinstance(self.children[0],TabPanel)) |
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204 hpanel = HorizontalPanel() |
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205 hpanel.add(Button('Cancel', lambda ignore: self.close())) |
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206 hpanel.add(Button('Save', self.onSaveParams)) |
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207 self.add(hpanel) |
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208 |
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209 ##EVENTS## |
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210 |
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211 def onButtonPress(self, button): |
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212 print "onButtonPress (%s)" % (button,) |
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213 callback_id, fields = button.param_id |
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214 data = {"callback_id":callback_id} |
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215 for field in fields: |
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216 ctrl = self.ctrl_list[field] |
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217 if isinstance(ctrl['control'],ListBox): |
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218 data[field] = '\t'.join(ctrl['control'].getSelectedValues()) |
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219 elif isinstance(ctrl['control'],CheckBox): |
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220 data[field] = "true" if ctrl['control'].isChecked() else "false" |
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221 else: |
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222 data[field] = ctrl['control'].getText() |
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223 |
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224 self.host.bridge.call('launchAction', None, "button", data) |
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225 self.host.current_action_ids.add(id) |
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226 |
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227 def onParamChange(self, widget): |
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228 """Called when type is param and a widget to save is modified""" |
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229 assert(self.node_type == "param") |
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230 print "onParamChange:", widget |
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231 self.param_changed.add(widget) |
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232 |
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233 def onFormSubmitted(self, button): |
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234 print "onFormSubmitted" |
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235 # FIXME: untested |
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236 print "FIXME FIXME FIXME: Form submitting not managed yet" |
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237 data = [] |
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238 for ctrl_name in self.ctrl_list: |
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239 ctrl = self.ctrl_list[ctrl_name] |
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240 if isinstance(ctrl['control'], ListBox): |
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241 data.append((ctrl_name, ctrl['control'].getValue())) |
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242 elif isinstance(ctrl['control'], CheckBox): |
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243 data.append((ctrl_name, "true" if ctrl['control'].isChecked() else "false")) |
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244 else: |
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245 data.append((ctrl_name, ctrl['control'].getText())) |
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246 if 'action_back' in self.misc: #FIXME FIXME FIXME: WTF ! Must be cleaned |
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247 raise NotImplementedError |
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248 elif 'callback' in self.misc: |
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249 self.misc['callback'](data) |
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250 else: |
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251 print ("WARNING: The form data is not sent back, the type is not managed properly") |
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252 |
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253 self.close() |
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254 |
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255 def onFormCancelled(self, button): |
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256 self.close() |
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257 |
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258 def onSaveParams(self, button): |
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259 print "onSaveParams" |
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260 for ctrl in self.param_changed: |
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261 if isinstance(ctrl, CheckBox): |
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262 value = "true" if ctrl.isChecked() else "false" |
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263 else: |
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264 value = ctrl.getText() |
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265 self.host.bridge.call('setParam', None, ctrl._param_name, value, ctrl._param_category) |
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266 self.close() |