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https://github.com/Sneed-Group/Poodletooth-iLand
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271 lines
10 KiB
Python
271 lines
10 KiB
Python
# Name: buttonpanel.py
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# Package: wx.lib.pdfviewer
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#
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# Purpose: A button panel class for pdf viewer
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#
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# Author: David Hughes dfh@forestfield.co.uk
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# Copyright: Forestfield Software Ltd
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# Licence: Same as wxPython host
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# History: Created 26 Jun 2009
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#
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# Tags: phoenix-port, documented
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#
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#----------------------------------------------------------------------------
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"""
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This module provides the :class:`~lib.pdfviewer.buttonpanel.pdfButtonPanel`
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which can be used together with the :class:`~lib.pdfviewer.viewer.pdfViewer`.
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"""
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import sys, os, time
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import images
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import wx
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import wx.lib.agw.buttonpanel as bp
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class pdfButtonPanel(bp.ButtonPanel):
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"""
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:class:`~lib.pdfviewer.buttonpanel.pdfButtonPanel` is derived
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from wx.lib.agw.buttonpanel and provides buttons to manipulate the viewed
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PDF, e.g. zoom, save, print etc.
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"""
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def __init__(self, parent, id, pos, size, style):
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"""
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Default class constructor.
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:param Window `parent`: parent window. Must not be ``None``;
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:param integer `id`: window identifier. A value of -1 indicates a default value;
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:param `pos`: the control position. A value of (-1, -1) indicates a default position,
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chosen by either the windowing system or wxPython, depending on platform;
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:type `pos`: tuple or :class:`Point`
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:param `size`: the control size. A value of (-1, -1) indicates a default size,
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chosen by either the windowing system or wxPython, depending on platform;
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:type `size`: tuple or :class:`Size`
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:param integer `style`: the button style (unused);
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"""
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self.viewer = None # reference to viewer is set by their common parent
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self.numpages = None
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bp.ButtonPanel.__init__(self, parent, id, "",
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agwStyle=bp.BP_USE_GRADIENT, alignment=bp.BP_ALIGN_LEFT)
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self.SetProperties()
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self.CreateButtons()
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def CreateButtons(self):
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"""
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Add the buttons and other controls to the panel.
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"""
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self.pagelabel = wx.StaticText(self, -1, 'Page')
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self.page = wx.TextCtrl(self, -1, size=(30, -1), style=wx.TE_CENTRE|wx.TE_PROCESS_ENTER)
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self.page.Bind(wx.EVT_KILL_FOCUS, self.OnPage)
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self.Bind(wx.EVT_TEXT_ENTER, self.OnPage, self.page)
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self.maxlabel = wx.StaticText(self, -1, ' ')
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self.zoom = wx.ComboBox(self, -1, style=wx.CB_DROPDOWN|wx.TE_PROCESS_ENTER)
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self.comboval = (('Actual size', 1.0), ('Fit width', -1), ('Fit page', -2),
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('25%', 0.25), ('50%', 0.5), ('75%', 0.75), ('100%', 1.0),
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('125%', 1.25), ('150%', 1.5), ('200%', 2.0), ('400%', 4.0),
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('800%', 8.0), ('1000%', 10.0))
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for item in self.comboval:
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self.zoom.Append(item[0], item[1]) # string value and client data
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self.Bind(wx.EVT_COMBOBOX, self.OnZoomSet, self.zoom)
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self.Bind(wx.EVT_TEXT_ENTER, self.OnZoomSet, self.zoom)
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self.zoom.Bind(wx.EVT_KILL_FOCUS, self.OnZoomSet)
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panelitems = [
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('btn', images.PrintIt.GetBitmap(), wx.ITEM_NORMAL, "Print", self.OnPrint),
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('sep',),
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('btn', images.SaveIt.GetBitmap(), wx.ITEM_NORMAL, "Save", self.OnSave),
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('sep',),
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('btn', images.First.GetBitmap(), wx.ITEM_NORMAL, "First page", self.OnFirst),
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('btn', images.Prev.GetBitmap(), wx.ITEM_NORMAL, "Previous page", self.OnPrev),
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('btn', images.Next.GetBitmap(), wx.ITEM_NORMAL, "Next page", self.OnNext),
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('btn', images.Last.GetBitmap(), wx.ITEM_NORMAL, "Last page", self.OnLast),
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('Ctrl', self.pagelabel),
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('ctrl', self.page),
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('ctrl', self.maxlabel),
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('sep',),
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('btn', images.ZoomOut.GetBitmap(), wx.ITEM_NORMAL, "Zoom out", self.OnZoomOut),
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('btn', images.ZoomIn.GetBitmap(), wx.ITEM_NORMAL, "Zoom in", self.OnZoomIn),
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('ctrl', self.zoom),
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('btn', images.Width.GetBitmap(), wx.ITEM_NORMAL, "Fit page width", self.OnWidth),
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('btn', images.Height.GetBitmap(), wx.ITEM_NORMAL, "Fit page height", self.OnHeight),
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]
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self.Freeze()
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for item in panelitems:
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if item[0].lower() == 'btn':
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type, image, kind, popup, handler = item
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btn = bp.ButtonInfo(self, wx.NewId(),image, kind=kind,
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shortHelp=popup, longHelp='')
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self.AddButton(btn)
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self.Bind(wx.EVT_BUTTON, handler, id=btn.GetId())
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elif item[0].lower() == 'sep':
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self.AddSeparator()
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elif item[0].lower() == 'space':
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self.AddSpacer(item[1])
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elif item[0].lower() == 'ctrl':
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self.AddControl(item[1])
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self.Thaw()
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self.DoLayout()
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def SetProperties(self):
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"""
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Setup the buttonpanel colours, borders etc.
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"""
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bpArt = self.GetBPArt()
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bpArt.SetGradientType(bp.BP_GRADIENT_VERTICAL)
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bpArt.SetColor(bp.BP_GRADIENT_COLOUR_FROM, wx.Colour(119, 136, 153)) #light slate
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bpArt.SetColor(bp.BP_GRADIENT_COLOUR_TO, wx.Colour(245, 245, 245)) # white smoke
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bpArt.SetColor(bp.BP_BORDER_COLOUR, wx.Colour(119, 136, 153))
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bpArt.SetColor(bp.BP_BUTTONTEXT_COLOUR, wx.Colour(0,0,0)) # not used
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bpArt.SetColor(bp.BP_SEPARATOR_COLOUR,
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bp.BrightenColour(wx.Colour(60, 11, 112), 0.85))
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bpArt.SetColor(bp.BP_SELECTION_BRUSH_COLOUR, wx.Colour(225, 225, 255)) # used?
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bpArt.SetColor(bp.BP_SELECTION_PEN_COLOUR,
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wx.SystemSettings.GetColour(wx.SYS_COLOUR_ACTIVECAPTION))
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def Update(self, pagenum, numpages, zoomscale):
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"""
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Called from viewer to initialize and update controls.
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:param integer `pagenum`: the page to show
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:param integer `numpages`: the total pages
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:param integer `zoomscale`: the zoom factor
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:note:
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In the viewer, page range is from 0 to numpages-1, in button controls it
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is from 1 to numpages.
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"""
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self.pageno = pagenum + 1
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self.page.SetValue('%d' % self.pageno)
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if numpages != self.numpages:
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self.maxlabel.SetLabel('of %d' % numpages)
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self.numpages = numpages
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self.percentzoom = zoomscale * 100
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self.zoom.SetValue('%.0f%%' % self.percentzoom)
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self.zoomtext = self.zoom.GetValue() # save last good value
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def OnSave(self, event):
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"""
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The button handler to save the PDF file.
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"""
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self.viewer.Save()
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def OnPrint(self, event):
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"""
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The button handler to print the PDF file.
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"""
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self.viewer.Print()
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def OnFirst(self, event):
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"""
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The button handler to show the first page of the report.
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"""
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if self.pageno > 1:
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self.pageno = 1
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self.ChangePage()
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def OnPrev(self, event):
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"""
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The button handler to show the previous page of the report.
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"""
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if self.pageno > 1:
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self.pageno -= 1
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self.ChangePage()
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def OnNext(self, event):
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"""
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The button handler to show the next page of the report.
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"""
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if self.pageno < self.numpages:
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self.pageno += 1
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self.ChangePage()
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def OnLast(self, event):
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"""
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The button handler to show the last page of the report.
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"""
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if self.pageno < self.numpages:
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self.pageno = self.numpages
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self.ChangePage()
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def OnPage(self, event):
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"""
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The handler to go to enter page number of the report, if a
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valid number is entered.
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"""
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try:
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newpage = int(self.page.GetValue())
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if 1 <= newpage <= self.numpages:
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if newpage != self.pageno:
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self.pageno = newpage
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self.ChangePage()
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except ValueError:
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pass
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if hasattr(self, 'pageno'):
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self.page.SetValue('%d' % self.pageno)
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else:
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self.page.SetValue('')
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def OnZoomOut(self, event):
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"Decrease page magnification"
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self.viewer.SetZoom(max(0.1, self.percentzoom*0.5/100.0))
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def OnZoomIn(self, event):
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"""
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The button handler to zoom in.
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"""
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self.viewer.SetZoom(min(self.percentzoom*2/100.0, 10))
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def OnZoomSet(self, event):
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"""
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The zoom set handler, either a list selection of a value entered.
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"""
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MINZ = 0
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MAXZ = 1000
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newzoom_scale = None
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num = self.zoom.GetSelection()
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if num >= 0: # selection from list
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newzoom_scale = self.zoom.GetClientData(num)
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else: # combo text
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astring = self.zoom.GetValue().strip().replace('%','') # ignore percent sign
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try:
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numvalue = float(astring)
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if numvalue < MINZ or numvalue > MAXZ:
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numvalue = None
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except ValueError:
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numvalue = None
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if numvalue: # numeric value
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newzoom_scale = numvalue/100.0
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else: # valid text?
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textvalue = self.zoom.GetValue()
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for k in range(len(self.comboval)):
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if textvalue.lower() == self.comboval[k][0].lower():
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newzoom_scale = self.comboval[k][1]
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break
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if newzoom_scale:
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self.viewer.SetZoom(newzoom_scale) # will send update to set zoomtext
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else:
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self.zoom.SetValue(self.zoomtext) # restore last good value
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event.Skip()
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def OnWidth(self, event):
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"""
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The button handler to fit display to page width.
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"""
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self.viewer.SetZoom(-1)
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def OnHeight(self, event):
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"""
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The button handler to fit display to page height.
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"""
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self.viewer.SetZoom(-2)
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def ChangePage(self):
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"""
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Update viewer and self.page control with new page number.
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"""
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self.page.SetValue('%d' % self.pageno)
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self.viewer.GoPage(self.pageno - 1)
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