| 1 | """ |
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| 2 | Defines and draws the status bar that should appear along the bottom of the |
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| 3 | main SasView window. |
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| 4 | """ |
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| 5 | import wx |
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| 6 | import sys |
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| 7 | import logging |
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| 8 | from wx import StatusBar as wxStatusB |
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| 9 | from wx.lib import newevent |
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| 10 | import wx.richtext |
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| 11 | from sas.guiframe.gui_style import GUIFRAME_ICON |
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| 12 | |
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| 13 | # Number of fields on the status bar |
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| 14 | NB_FIELDS = 4 |
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| 15 | #position of the status bar's fields |
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| 16 | ICON_POSITION = 0 |
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| 17 | MSG_POSITION = 1 |
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| 18 | GAUGE_POSITION = 2 |
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| 19 | CONSOLE_POSITION = 3 |
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| 20 | BUTTON_SIZE = 40 |
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| 21 | STATUS_BAR_ICON_SIZE = 12 |
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| 22 | CONSOLE_WIDTH = 500 |
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| 23 | CONSOLE_HEIGHT = 300 |
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| 24 | FRAME_ICON = wx.Icon(GUIFRAME_ICON.FRAME_ICON_PATH, wx.BITMAP_TYPE_ICO) |
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| 25 | |
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| 26 | if sys.platform.count("win32") > 0: |
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| 27 | FONT_VARIANT = 0 |
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| 28 | else: |
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| 29 | FONT_VARIANT = 1 |
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| 30 | |
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| 31 | GREEN = wx.Colour(95, 190, 95) |
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| 32 | YELLOW = wx.Colour(247, 214, 49) |
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| 33 | RED = wx.Colour(234, 89, 78) |
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| 34 | |
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| 35 | class ConsolePanel(wx.Panel): |
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| 36 | """ |
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| 37 | Interaction class for adding messages to the Console log. |
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| 38 | """ |
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| 39 | def __init__(self, parent, *args, **kwargs): |
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| 40 | wx.Panel.__init__(self, parent=parent, *args, **kwargs) |
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| 41 | self.parent = parent |
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| 42 | self.sizer = wx.BoxSizer(wx.VERTICAL) |
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| 43 | |
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| 44 | self.msg_txt = wx.richtext.RichTextCtrl(self, size=(CONSOLE_WIDTH-40, |
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| 45 | CONSOLE_HEIGHT-60), |
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| 46 | style=wx.VSCROLL|wx.HSCROLL|wx.NO_BORDER) |
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| 47 | |
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| 48 | self.msg_txt.SetEditable(False) |
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| 49 | self.msg_txt.SetValue('No message available') |
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| 50 | self.sizer.Add(self.msg_txt, 1, wx.EXPAND|wx.ALL, 10) |
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| 51 | self.SetSizer(self.sizer) |
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| 52 | |
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| 53 | def set_message(self, status="", event=None): |
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| 54 | """ |
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| 55 | Adds a message to the console log as well as the main sasview.log |
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| 56 | |
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| 57 | :param status: A status message to be sent to the console log. |
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| 58 | :param event: A wx event. |
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| 59 | """ |
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| 60 | status = str(status) |
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| 61 | if status.strip() == "": |
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| 62 | return |
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| 63 | color = (0, 0, 0) #black |
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| 64 | icon_bmp = wx.ArtProvider.GetBitmap(wx.ART_INFORMATION, wx.ART_TOOLBAR) |
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| 65 | if hasattr(event, "info"): |
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| 66 | icon_type = event.info.lower() |
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| 67 | if icon_type == "warning": |
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| 68 | logging.warning(status) |
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| 69 | color = (0, 0, 255) # blue |
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| 70 | icon_bmp = wx.ArtProvider.GetBitmap(wx.ART_WARNING, |
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| 71 | wx.ART_TOOLBAR) |
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| 72 | if icon_type == "error": |
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| 73 | logging.error(status) |
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| 74 | color = (255, 0, 0) # red |
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| 75 | icon_bmp = wx.ArtProvider.GetBitmap(wx.ART_ERROR, |
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| 76 | wx.ART_TOOLBAR) |
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| 77 | if icon_type == "info": |
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| 78 | icon_bmp = wx.ArtProvider.GetBitmap(wx.ART_INFORMATION, |
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| 79 | wx.ART_TOOLBAR) |
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| 80 | self.msg_txt.Newline() |
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| 81 | self.msg_txt.WriteBitmap(icon_bmp) |
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| 82 | self.msg_txt.BeginTextColour(color) |
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| 83 | self.msg_txt.WriteText("\t") |
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| 84 | self.msg_txt.AppendText(status) |
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| 85 | self.msg_txt.EndTextColour() |
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| 86 | |
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| 87 | |
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| 88 | class Console(wx.Frame): |
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| 89 | """ |
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| 90 | The main class defining the Console window. |
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| 91 | """ |
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| 92 | def __init__(self, parent=None, status="", *args, **kwds): |
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| 93 | kwds["size"] = (CONSOLE_WIDTH, CONSOLE_HEIGHT) |
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| 94 | kwds["title"] = "Console" |
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| 95 | wx.Frame.__init__(self, parent=parent, *args, **kwds) |
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| 96 | self.SetWindowVariant(FONT_VARIANT) |
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| 97 | self.panel = ConsolePanel(self) |
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| 98 | self.panel.set_message(status=status) |
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| 99 | wx.EVT_CLOSE(self, self.Close) |
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| 100 | |
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| 101 | def set_multiple_messages(self, messages=[]): |
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| 102 | """ |
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| 103 | Method to send an arbitrary number of messages to the console log |
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| 104 | |
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| 105 | :param messages: A list of strings to be sent to the console log. |
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| 106 | """ |
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| 107 | if messages: |
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| 108 | for status in messages: |
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| 109 | self.panel.set_message(status=status) |
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| 110 | |
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| 111 | def set_message(self, status, event=None): |
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| 112 | """ |
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| 113 | Exposing the base ConsolePanel set_message |
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| 114 | |
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| 115 | :param status: A status message to be sent to the console log. |
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| 116 | :param event: A wx event. |
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| 117 | """ |
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| 118 | self.panel.set_message(status=str(status), event=event) |
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| 119 | |
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| 120 | def Close(self, event): |
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| 121 | """ |
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| 122 | Calling close on the panel will hide the panel. |
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| 123 | |
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| 124 | :param event: A wx event. |
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| 125 | """ |
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| 126 | self.Hide() |
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| 127 | |
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| 128 | class StatusBar(wxStatusB): |
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| 129 | """ |
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| 130 | Application status bar |
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| 131 | """ |
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| 132 | def __init__(self, parent, id): |
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| 133 | wxStatusB.__init__(self, parent, id) |
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| 134 | self.parent = parent |
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| 135 | self.parent.SetStatusBarPane(MSG_POSITION) |
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| 136 | |
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| 137 | #Layout of status bar |
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| 138 | width = STATUS_BAR_ICON_SIZE |
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| 139 | height = STATUS_BAR_ICON_SIZE |
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| 140 | self.SetFieldsCount(NB_FIELDS) |
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| 141 | # Leave some space for the resize handle in the last field |
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| 142 | console_btn_width = 80 |
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| 143 | self.SetStatusWidths([width+4, -2, -1, width+console_btn_width]) |
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| 144 | self.SetMinHeight(height + 10) |
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| 145 | |
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| 146 | #display default message |
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| 147 | self.msg_position = MSG_POSITION |
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| 148 | |
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| 149 | # Create progress bar |
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| 150 | gauge_width = 5 * width |
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| 151 | self.gauge = wx.Gauge(self, size=(gauge_width, height), |
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| 152 | style=wx.GA_HORIZONTAL) |
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| 153 | self.gauge.Hide() |
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| 154 | |
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| 155 | # Create status bar icon reflecting the type of status |
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| 156 | # for the last message |
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| 157 | self.status_color = wx.StaticText(self, id=wx.NewId(), label=" ", |
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| 158 | size=wx.Size(15, 15)) |
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| 159 | self.status_color.SetBackgroundColour(GREEN) |
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| 160 | self.status_color.SetForegroundColour(GREEN) |
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| 161 | |
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| 162 | # Create the button used to show the console dialog |
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| 163 | self.console_button = wx.Button(self, wx.NewId(), "Console", |
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| 164 | size=(console_btn_width, -1)) |
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| 165 | font = self.console_button.GetFont() |
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| 166 | _, pixel_h = font.GetPixelSize() |
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| 167 | font.SetPixelSize(wx.Size(0, int(pixel_h*0.9))) |
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| 168 | self.console_button.SetFont(font) |
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| 169 | self.console_button.SetToolTipString("History of status bar messages") |
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| 170 | self.console_button.Bind(wx.EVT_BUTTON, self._onMonitor, |
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| 171 | id=self.console_button.GetId()) |
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| 172 | |
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| 173 | self.reposition() |
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| 174 | ## Current progress value of the bar |
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| 175 | self.nb_start = 0 |
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| 176 | self.nb_progress = 0 |
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| 177 | self.nb_stop = 0 |
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| 178 | self.frame = None |
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| 179 | self.list_msg = [] |
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| 180 | self.frame = Console(parent=self) |
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| 181 | if hasattr(self.frame, "IsIconized"): |
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| 182 | if not self.frame.IsIconized(): |
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| 183 | try: |
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| 184 | icon = self.parent.GetIcon() |
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| 185 | self.frame.SetIcon(icon) |
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| 186 | except: |
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| 187 | try: |
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| 188 | self.frame.SetIcon(FRAME_ICON) |
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| 189 | except: |
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| 190 | pass |
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| 191 | self.frame.set_multiple_messages(self.list_msg) |
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| 192 | self.frame.Hide() |
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| 193 | self.progress = 0 |
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| 194 | self.timer = wx.Timer(self, -1) |
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| 195 | self.timer_stop = wx.Timer(self, -1) |
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| 196 | self.thread = None |
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| 197 | self.Bind(wx.EVT_TIMER, self._on_time, self.timer) |
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| 198 | self.Bind(wx.EVT_TIMER, self._on_time_stop, self.timer_stop) |
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| 199 | self.Bind(wx.EVT_SIZE, self.on_size) |
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| 200 | self.Bind(wx.EVT_IDLE, self.on_idle) |
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| 201 | |
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| 202 | def reposition(self): |
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| 203 | """ |
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| 204 | Place the various fields in their proper position |
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| 205 | """ |
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| 206 | rect = self.GetFieldRect(GAUGE_POSITION) |
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| 207 | self.gauge.SetPosition((rect.x, rect.y)) |
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| 208 | rect = self.GetFieldRect(ICON_POSITION) |
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| 209 | self.status_color.SetPosition((rect.x, rect.y)) |
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| 210 | rect = self.GetFieldRect(CONSOLE_POSITION) |
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| 211 | self.console_button.SetPosition((rect.x, rect.y)) |
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| 212 | self.size_changed = False |
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| 213 | |
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| 214 | def on_idle(self, event): |
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| 215 | """ |
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| 216 | When the window is idle, check if the window has been resized |
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| 217 | """ |
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| 218 | if self.size_changed: |
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| 219 | self.reposition() |
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| 220 | |
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| 221 | def on_size(self, evt): |
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| 222 | """ |
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| 223 | If the window is resized, redraw the window. |
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| 224 | """ |
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| 225 | self.reposition() |
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| 226 | self.size_changed = True |
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| 227 | |
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| 228 | def get_msg_position(self): |
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| 229 | """ |
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| 230 | Get the last known message that was displayed on the console window. |
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| 231 | """ |
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| 232 | return self.msg_position |
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| 233 | |
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| 234 | def SetStatusText(self, text="", number=MSG_POSITION, event=None): |
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| 235 | """ |
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| 236 | Set the text that will be displayed in the status bar. |
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| 237 | """ |
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| 238 | wxStatusB.SetStatusText(self, text.split('\n', 1)[0], number) |
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| 239 | self.list_msg.append(text) |
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| 240 | self.status_color.SetBackgroundColour(GREEN) |
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| 241 | self.status_color.SetForegroundColour(GREEN) |
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| 242 | |
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| 243 | if self.frame is not None: |
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| 244 | self.frame.set_message(status=text, event=event) |
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| 245 | |
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| 246 | def PopStatusText(self, *args, **kwds): |
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| 247 | """ |
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| 248 | Override status bar |
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| 249 | """ |
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| 250 | wxStatusB.PopStatusText(self, field=MSG_POSITION) |
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| 251 | |
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| 252 | def PushStatusText(self, *args, **kwds): |
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| 253 | """ |
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| 254 | PushStatusText |
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| 255 | """ |
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| 256 | text = "PushStatusText: What is this string?" |
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| 257 | wxStatusB.PushStatusText(self, field=MSG_POSITION, string=text) |
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| 258 | |
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| 259 | def enable_clear_gauge(self): |
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| 260 | """ |
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| 261 | clear the progress bar |
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| 262 | """ |
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| 263 | flag = True |
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| 264 | # Why we do this? |
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| 265 | #if (self.nb_start <= self.nb_stop) or \ |
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| 266 | # (self.nb_progress <= self.nb_stop): |
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| 267 | # flag = True |
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| 268 | return flag |
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| 269 | |
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| 270 | def _on_time_stop(self, evt): |
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| 271 | """ |
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| 272 | Clear the progress bar |
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| 273 | |
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| 274 | :param evt: wx.EVT_TIMER |
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| 275 | """ |
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| 276 | count = 0 |
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| 277 | while count <= 100: |
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| 278 | count += 1 |
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| 279 | self.timer_stop.Stop() |
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| 280 | self.clear_gauge(msg="") |
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| 281 | self.nb_progress = 0 |
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| 282 | self.nb_start = 0 |
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| 283 | self.nb_stop = 0 |
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| 284 | |
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| 285 | def _on_time(self, evt): |
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| 286 | """ |
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| 287 | Update the progress bar while the timer is running |
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| 288 | |
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| 289 | :param evt: wx.EVT_TIMER |
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| 290 | """ |
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| 291 | # Check stop flag that can be set from non main thread |
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| 292 | if self.timer.IsRunning(): |
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| 293 | self.gauge.Pulse() |
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| 294 | |
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| 295 | def clear_gauge(self, msg=""): |
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| 296 | """ |
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| 297 | Hide the gauge |
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| 298 | """ |
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| 299 | self.progress = 0 |
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| 300 | self.gauge.SetValue(0) |
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| 301 | self.gauge.Hide() |
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| 302 | |
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| 303 | def set_icon(self, event): |
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| 304 | """ |
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| 305 | Display icons related to the type of message sent to the statusbar |
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| 306 | when available. No icon is displayed if the message is empty |
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| 307 | """ |
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| 308 | if hasattr(event, "status"): |
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| 309 | status = str(event.status) |
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| 310 | if status.strip() == "": |
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| 311 | return |
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| 312 | else: |
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| 313 | return |
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| 314 | if not hasattr(event, "info"): |
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| 315 | return |
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| 316 | |
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| 317 | # Get the size of the button images |
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| 318 | height = STATUS_BAR_ICON_SIZE |
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| 319 | |
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| 320 | msg = event.info.lower() |
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| 321 | if msg == "warning": |
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| 322 | self.status_color.SetBackgroundColour(YELLOW) |
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| 323 | self.status_color.SetForegroundColour(YELLOW) |
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| 324 | elif msg == "error": |
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| 325 | self.status_color.SetBackgroundColour(RED) |
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| 326 | self.status_color.SetForegroundColour(RED) |
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| 327 | else: |
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| 328 | self.status_color.SetBackgroundColour(GREEN) |
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| 329 | self.status_color.SetForegroundColour(GREEN) |
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| 330 | |
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| 331 | def set_dialog(self, event): |
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| 332 | """ |
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| 333 | Display dialogbox |
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| 334 | """ |
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| 335 | if not hasattr(event, "info"): |
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| 336 | return |
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| 337 | msg = event.info.lower() |
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| 338 | if msg == "error": |
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| 339 | e_msg = "Error(s) Occurred:\n" |
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| 340 | e_msg += "\t" + event.status + "\n\n" |
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| 341 | e_msg += "Further information might be available in " |
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| 342 | e_msg += "the Console log (bottom right corner)." |
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| 343 | wx.MessageBox(e_msg, style=wx.ICON_ERROR) |
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| 344 | |
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| 345 | def set_message(self, event): |
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| 346 | """ |
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| 347 | display received message on the statusbar |
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| 348 | """ |
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| 349 | if hasattr(event, "status"): |
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| 350 | self.SetStatusText(text=str(event.status), event=event) |
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| 351 | |
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| 352 | def set_gauge(self, event): |
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| 353 | """ |
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| 354 | change the state of the gauge according the state of the current job |
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| 355 | """ |
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| 356 | if not hasattr(event, "type"): |
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| 357 | return |
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| 358 | type = event.type |
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| 359 | self.gauge.Show(True) |
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| 360 | if type.lower() == "start": |
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| 361 | self.nb_start += 1 |
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| 362 | #self.timer.Stop() |
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| 363 | self.progress += 5 |
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| 364 | self.gauge.SetValue(int(self.progress)) |
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| 365 | self.progress += 5 |
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| 366 | if self.progress < self.gauge.GetRange() - 20: |
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| 367 | self.gauge.SetValue(int(self.progress)) |
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| 368 | if type.lower() == "progress": |
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| 369 | self.nb_progress += 1 |
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| 370 | self.timer.Start(1) |
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| 371 | self.gauge.Pulse() |
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| 372 | if type.lower() == "update": |
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| 373 | self.progress += 5 |
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| 374 | if self.progress < self.gauge.GetRange()- 20: |
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| 375 | self.gauge.SetValue(int(self.progress)) |
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| 376 | if type.lower() == "stop": |
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| 377 | self.nb_stop += 1 |
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| 378 | self.gauge.Show(True) |
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| 379 | if self.enable_clear_gauge(): |
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| 380 | self.timer.Stop() |
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| 381 | self.progress = 0 |
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| 382 | self.gauge.SetValue(100) |
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| 383 | self.timer_stop.Start(5) |
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| 384 | |
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| 385 | def set_status(self, event): |
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| 386 | """ |
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| 387 | Update the status bar . |
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| 388 | |
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| 389 | :param type: type of message send. |
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| 390 | type must be in ["start","progress","update","stop"] |
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| 391 | :param msg: the message itself as string |
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| 392 | :param thread: if updatting using a thread status |
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| 393 | |
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| 394 | """ |
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| 395 | self.set_message(event=event) |
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| 396 | self.set_icon(event=event) |
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| 397 | self.set_gauge(event=event) |
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| 398 | # dialog on error |
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| 399 | self.set_dialog(event=event) |
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| 400 | |
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| 401 | def _onMonitor(self, event): |
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| 402 | """ |
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| 403 | Pop up a frame with messages sent to the status bar |
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| 404 | """ |
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| 405 | self.frame.Show(False) |
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| 406 | self.frame.Show(True) |
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| 407 | |
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| 408 | |
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| 409 | class SPageStatusbar(wxStatusB): |
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| 410 | def __init__(self, parent, timeout=None, *args, **kwds): |
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| 411 | wxStatusB.__init__(self, parent, *args, **kwds) |
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| 412 | self.SetFieldsCount(1) |
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| 413 | self.timeout = timeout |
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| 414 | width, height = parent.GetSizeTuple() |
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| 415 | self.gauge = wx.Gauge(self, style=wx.GA_HORIZONTAL, |
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| 416 | size=(width, height/10)) |
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| 417 | rect = self.GetFieldRect(0) |
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| 418 | self.gauge.SetPosition((rect.x , rect.y )) |
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| 419 | if self.timeout is not None: |
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| 420 | self.gauge.SetRange(int(self.timeout)) |
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| 421 | self.timer = wx.Timer(self, -1) |
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| 422 | self.Bind(wx.EVT_TIMER, self._on_time, self.timer) |
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| 423 | self.timer.Start(1) |
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| 424 | self.pos = 0 |
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| 425 | |
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| 426 | def _on_time(self, evt): |
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| 427 | """ |
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| 428 | Update the progress bar while the timer is running |
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| 429 | |
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| 430 | :param evt: wx.EVT_TIMER |
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| 431 | |
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| 432 | """ |
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| 433 | # Check stop flag that can be set from non main thread |
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| 434 | if self.timeout is None and self.timer.IsRunning(): |
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| 435 | self.gauge.Pulse() |
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| 436 | |
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| 437 | |
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| 438 | if __name__ == "__main__": |
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| 439 | app = wx.PySimpleApp() |
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| 440 | frame = wx.Frame(None, wx.ID_ANY, 'test frame') |
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| 441 | #statusBar = StatusBar(frame, wx.ID_ANY) |
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| 442 | statusBar = SPageStatusbar(frame) |
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| 443 | frame.SetStatusBar(statusBar) |
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| 444 | frame.Show(True) |
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| 445 | #event = MessageEvent() |
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| 446 | #event.type = "progress" |
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| 447 | #event.status = "statusbar...." |
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| 448 | #event.info = "error" |
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| 449 | #statusBar.set_status(event=event) |
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| 450 | app.MainLoop() |
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| 451 | |
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