1 | |
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2 | |
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3 | import wx |
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4 | import wx.lib.newevent |
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5 | #from copy import deepcopy |
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6 | from sans.guiframe.utils import format_number |
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7 | from sans.guiframe.events import SlicerParameterEvent |
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8 | from sans.guiframe.events import EVT_SLICER_PARS |
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9 | from sans.guiframe.events import EVT_SLICER |
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10 | |
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11 | from sans.guiframe.panel_base import PanelBase |
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12 | |
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13 | class SlicerPanel(wx.Panel, PanelBase): |
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14 | """ |
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15 | Panel class to show the slicer parameters |
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16 | """ |
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17 | #TODO: show units |
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18 | #TODO: order parameters properly |
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19 | ## Internal name for the AUI manager |
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20 | window_name = "Slicer panel" |
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21 | ## Title to appear on top of the window |
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22 | window_caption = "Slicer Panel" |
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23 | CENTER_PANE = False |
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24 | |
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25 | def __init__(self, parent, id=-1, type=None, base=None, |
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26 | params=None, *args, **kwargs): |
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27 | wx.Panel.__init__(self, parent, id, *args, **kwargs) |
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28 | PanelBase.__init__(self) |
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29 | ## Initialization of the class |
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30 | self.base = base |
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31 | if params is None: |
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32 | params = {} |
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33 | self.params = params |
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34 | self.parent = parent |
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35 | self.type = type |
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36 | self.listeners = [] |
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37 | self.parameters = [] |
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38 | self.bck = wx.GridBagSizer(5, 5) |
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39 | self.SetSizer(self.bck) |
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40 | if type == None and params == None: |
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41 | label = "Right-click on 2D plot for slicer options" |
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42 | title = wx.StaticText(self, -1, label, style=wx.ALIGN_LEFT) |
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43 | self.bck.Add(title, (0, 0), (1, 2), |
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44 | flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=15) |
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45 | else: |
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46 | self.set_slicer(type, params) |
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47 | ## Bindings |
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48 | self.parent.Bind(EVT_SLICER, self.onEVT_SLICER) |
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49 | self.parent.Bind(EVT_SLICER_PARS, self.onParamChange) |
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50 | |
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51 | def onEVT_SLICER(self, event): |
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52 | """ |
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53 | Process EVT_SLICER events |
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54 | When the slicer changes, update the panel |
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55 | |
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56 | :param event: EVT_SLICER event |
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57 | |
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58 | """ |
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59 | event.Skip() |
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60 | if event.obj_class == None: |
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61 | self.set_slicer(None, None) |
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62 | else: |
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63 | self.set_slicer(event.type, event.params) |
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64 | |
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65 | def set_slicer(self, type, params): |
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66 | """ |
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67 | Rebuild the panel |
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68 | """ |
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69 | self.bck.Clear(True) |
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70 | self.type = type |
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71 | if type == None: |
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72 | label = "Right-click on 2D plot for slicer options" |
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73 | title = wx.StaticText(self, -1, label, style=wx.ALIGN_LEFT) |
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74 | self.bck.Add(title, (0, 0), (1, 2), |
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75 | flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=15) |
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76 | else: |
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77 | title = wx.StaticText(self, -1, "Slicer Parameters", |
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78 | style=wx.ALIGN_LEFT) |
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79 | self.bck.Add(title, (0, 0), (1, 2), |
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80 | flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=15) |
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81 | n = 1 |
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82 | self.parameters = [] |
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83 | keys = params.keys() |
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84 | keys.sort() |
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85 | for item in keys: |
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86 | if not item.lower() in ["num_points", "avg", "avg_error", "sum", |
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87 | "sum_error"]: |
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88 | n += 1 |
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89 | text = wx.StaticText(self, -1, item, style=wx.ALIGN_LEFT) |
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90 | self.bck.Add(text, (n-1, 0), |
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91 | flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=15) |
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92 | ctl = wx.TextCtrl(self, -1, size=(80, 20), |
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93 | style=wx.TE_PROCESS_ENTER) |
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94 | hint_msg = "Modify the value of %s to change " % item |
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95 | hint_msg += "the 2D slicer" |
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96 | ctl.SetToolTipString(hint_msg) |
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97 | ctl.SetValue(str(format_number(params[item]))) |
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98 | self.Bind(wx.EVT_TEXT_ENTER, self.onTextEnter) |
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99 | ctl.Bind(wx.EVT_SET_FOCUS, self.onSetFocus) |
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100 | ctl.Bind(wx.EVT_KILL_FOCUS, self.onTextEnter) |
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101 | self.parameters.append([item, ctl]) |
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102 | self.bck.Add(ctl, (n-1, 1), flag=wx.TOP|wx.BOTTOM, border=0) |
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103 | for item in keys: |
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104 | if item.lower() in ["num_points", "avg", "avg_error", "sum", |
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105 | "sum_error"]: |
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106 | n += 1 |
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107 | text = wx.StaticText(self, -1, item + ": ", |
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108 | style=wx.ALIGN_LEFT) |
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109 | self.bck.Add(text, (n-1, 0), |
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110 | flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, |
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111 | border=15) |
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112 | ctl = wx.StaticText(self, -1, |
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113 | str(format_number(params[item])), |
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114 | style=wx.ALIGN_LEFT) |
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115 | ctl.SetToolTipString("Result %s" % item) |
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116 | self.bck.Add(ctl, (n-1, 1), flag=wx.TOP|wx.BOTTOM, border=0) |
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117 | self.bck.Layout() |
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118 | #self.bck.Fit(self) |
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119 | self.Layout() |
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120 | self.parent.GetSizer().Layout() |
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121 | |
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122 | def onSetFocus(self, evt): |
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123 | """ |
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124 | Hightlight the textcrtl |
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125 | """ |
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126 | # Get a handle to the TextCtrl |
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127 | widget = evt.GetEventObject() |
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128 | # Select the whole control, after this event resolves |
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129 | wx.CallAfter(widget.SetSelection, -1, -1) |
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130 | return |
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131 | |
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132 | def onParamChange(self, evt): |
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133 | """ |
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134 | Receive and event and reset the text field contained in self.parameters |
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135 | |
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136 | """ |
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137 | evt.Skip() |
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138 | for item in self.parameters: |
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139 | if item[0] in evt.params: |
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140 | item[1].SetValue(format_number(evt.params[item[0]])) |
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141 | item[1].Refresh() |
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142 | |
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143 | def onTextEnter(self, evt): |
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144 | """ |
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145 | Parameters have changed |
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146 | """ |
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147 | params = {} |
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148 | has_error = False |
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149 | for item in self.parameters: |
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150 | try: |
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151 | params[item[0]] = float(item[1].GetValue()) |
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152 | item[1].SetBackgroundColour( |
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153 | wx.SystemSettings_GetColour(wx.SYS_COLOUR_WINDOW)) |
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154 | item[1].Refresh() |
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155 | except: |
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156 | has_error = True |
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157 | item[1].SetBackgroundColour("pink") |
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158 | item[1].Refresh() |
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159 | |
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160 | if has_error == False: |
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161 | # Post parameter event |
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162 | ## base is guiframe is this case |
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163 | event = SlicerParameterEvent(type=self.type, params=params) |
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164 | wx.PostEvent(self.base, event) |
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165 | |
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166 | |
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