Added colourselect.py, imagebrowser.py and an updated calendar.py to

wxPython/lib from Lorne White.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9636 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/wxPython/lib/imagebrowser.py

@@ -0,0 +1,250 @@
+#!/bin/env python
+#----------------------------------------------------------------------------
+# Name:         BrowseImage.py
+# Purpose:      Display and Select Image Files
+#
+# Author:       Lorne White
+#
+# Version:      0.6
+# Date:         March 27, 2001
+# Licence:      wxWindows license
+#----------------------------------------------------------------------------
+
+import os, sys, string
+from wxPython.wx import *
+dir_path = os.getcwd()
+
+#---------------------------------------------------------------------------
+
+def ConvertBMP(file_nm):
+    fl_fld = os.path.splitext(file_nm)
+    ext = fl_fld[1]
+    ext = string.lower(ext[1:])
+    if ext == 'bmp':	
+        image = wxImage(file_nm, wxBITMAP_TYPE_BMP)
+    elif ext == 'gif':
+        image = wxImage(file_nm, wxBITMAP_TYPE_GIF)
+    elif ext == 'png':
+        image = wxImage(file_nm, wxBITMAP_TYPE_PNG)
+    elif ext == 'jpg':
+        image = wxImage(file_nm, wxBITMAP_TYPE_JPEG)
+    else:
+        image = None
+
+    return image
+
+class ImageView:
+    def __init__(self, iparent, ipos, isize):
+        self.win = iparent
+        self.ImagePanel = wxPanel(size = isize, parent = iparent, id = -1, name = 'backgroundPanel', style = wxSIMPLE_BORDER | wxCLIP_CHILDREN, pos= ipos)
+        self.clear = wxColour(255, 255, 255)
+        self.ImagePanel.SetBackgroundColour(self.clear)     # clear the panel
+
+        self.image_sizex = isize.width
+        self.image_sizey = isize.height
+        self.image_posx = ipos.x
+        self.image_posy = ipos.y
+
+        wxInitAllImageHandlers()
+
+    def SetValue(self, file_nm):    # display the selected file in the panel
+        image = ConvertBMP(file_nm).ConvertToBitmap()
+        if image is None:
+            return
+
+        iwidth = image.GetWidth()   # dimensions of image file
+        iheight = image.GetHeight()
+        
+        diffx = (self.image_sizex - iwidth)/2   # center calc
+        if iwidth >= self.image_sizex -10:      # if image width fits in window adjust
+            diffx = 5
+            iwidth = self.image_sizex - 10
+            
+        diffy = (self.image_sizey - iheight)/2  # center calc
+        if iheight >= self.image_sizey - 10:    # if image height fits in window adjust
+            diffy = 5
+            iheight = self.image_sizey - 10
+   
+        self.ClearPanel()
+        wxStaticBitmap(self.win, -1, image, wxPoint(self.image_posx+diffx, self.image_posy+diffy), wxSize(iwidth, iheight ))
+
+    def ClearPanel(self):   # clear the image panel
+        self.ImagePanel.SetBackgroundColour(self.clear)
+        self.ImagePanel.Refresh()
+
+class ImageDialog(wxDialog):
+    def __init__(self, parent, set_dir = None):
+        wxDialog.__init__(self, parent, -1, "Image Browser", wxPyDefaultPosition, wxSize(400, 400))
+        
+        self.x_pos = 30     # initial display positions
+        self.y_pos = 20
+        self.delta = 20        
+
+        size = wxSize(80, 25)
+        
+        self.set_dir = os.getcwd()
+        
+        if set_dir != None:
+            if os.path.exists(set_dir):     # set to working directory if nothing set
+                self.set_dir = set_dir
+            
+        self.dir_x = self.x_pos
+        self.dir_y = self.y_pos
+        self.DisplayDir()       # display the directory value
+        
+        self.y_pos = self.y_pos + self.delta
+
+        mID = NewId()
+        wxButton(self, mID, ' Set Directory ', wxPoint(self.x_pos, self.y_pos), size).SetDefault()
+        EVT_BUTTON(self, mID, self.SetDirect)
+
+        self.type_posy = self.y_pos     # save the y position for the image type combo        
+
+        self.fl_ext = '*.bmp'   # initial setting for file filtering
+        self.GetFiles()     # get the file list
+        
+        self.y_pos = self.y_pos + self.delta + 10
+
+        self.list_height = 150
+        
+    # List of Labels
+        mID = NewId()
+        self.tb = tb = wxListBox(self, mID, wxPoint(self.x_pos, self.y_pos), wxSize(160, self.list_height), self.fl_list, wxLB_SINGLE)
+        EVT_LISTBOX(self, mID, self.OnListClick)
+        EVT_LISTBOX_DCLICK(self, mID, self.OnListDClick)
+
+        width, height = self.tb.GetSizeTuple()
+        image_posx = self.x_pos + width + 20       # positions for setting the image window
+        image_posy = self.y_pos
+        image_sizex = 150
+        image_sizey = self.list_height
+
+        self.fl_types = ["Bmp", "Gif", "Png", "Jpg"]
+        self.fl_ext_types = { "Bmp": "*.bmp", "Gif": "*.gif", "Png": "*.png", "Jpg": "*.jpg" }
+        
+        self.set_type = self.fl_types[0]    # initial file filter setting
+        
+        mID = NewId()
+        self.sel_type = wxComboBox(self, mID, self.set_type, wxPoint(image_posx , self.type_posy), wxSize(150, -1), self.fl_types, wxCB_DROPDOWN)
+        EVT_COMBOBOX(self, mID, self.OnSetType)
+
+        self.image_view = ImageView(self, wxPoint(image_posx, image_posy), wxSize(image_sizex, image_sizey))
+
+        self.y_pos = self.y_pos + height + 20
+
+        mID = NewId()
+        wxButton(self, mID, ' Select ', wxPoint(100, self.y_pos), size).SetDefault()
+        EVT_BUTTON(self, mID, self.OnOk)
+
+        wxButton(self, wxID_CANCEL, 'Cancel', wxPoint(250, self.y_pos), size)
+
+        self.y_pos = self.y_pos + self.delta
+        fsize = wxSize(400, self.y_pos + 50)    # resize dialog for final vertical position
+        self.SetSize(fsize)
+        
+        self.ResetFiles()
+
+    def GetFiles(self):     # get the file list using directory and extension values
+        self.fl_val = FindFiles(self, self.set_dir, self.fl_ext)
+        self.fl_list = self.fl_val.files
+
+    def DisplayDir(self):       # display the working directory
+        wxStaticText(self, -1, self.set_dir, wxPoint(self.dir_x, self.dir_y), wxSize(250, -1))
+ 
+    def OnSetType(self, event):
+        val = event.GetString()      # get file type value
+        self.fl_ext = self.fl_ext_types[val]
+        self.ResetFiles()   
+        
+    def OnListDClick(self, event):
+        self.OnOk(0)
+        
+    def OnListClick(self, event):
+        val = event.GetSelection()
+        self.SetListValue(val)
+        
+    def SetListValue(self, val):
+        file_nm = self.fl_list[val]
+        self.set_file = file_val = os.path.join(self.set_dir, file_nm)
+        self.image_view.SetValue(file_val)
+
+    def SetDirect(self, event):     # set the new directory
+        dlg = wxDirDialog(self)
+        dlg.SetPath(self.set_dir)
+        if dlg.ShowModal() == wxID_OK:
+            self.set_dir = dlg.GetPath()
+            self.ResetFiles()
+        dlg.Destroy()
+    
+    def ResetFiles(self):   # refresh the display with files and initial image
+        self.image_view.ClearPanel()
+        self.DisplayDir()
+        self.GetFiles()
+        self.tb.Set(self.fl_list)
+        try:
+            self.tb.SetSelection(0)
+            self.SetListValue(0)
+        except:
+            pass
+ 
+    def GetFile(self):
+        return self.set_file
+        
+    def OnCancel(self, event):
+        self.result = None
+        self.EndModal(wxID_CANCEL)
+
+    def OnOk(self, event):
+        self.result = self.set_file
+        self.EndModal(wxID_OK)
+
+
+def OnFileDlg(self):
+    dlg = wxFileDialog(self, "Choose an Image File", ".", "", "Bmp (*.bmp)|*.bmp|JPEG (*.jpg)|*.jpg", wxOPEN)
+    if dlg.ShowModal() == wxID_OK:
+        path = dlg.GetPath()
+    else:
+        path = None
+    dlg.Destroy()
+    return path
+
+class FindFiles:
+    def __init__(self, parent, dir, mask):
+        filelist = []
+        dirlist = [".."]
+        self.dir = dir
+        self.file = ""
+        mask = string.upper(mask)
+        self.MakeRegex(mask)
+        for i in os.listdir(dir):
+            if i == "." or i == "..":
+                continue			
+            path = os.path.join(dir, i)
+            path = string.upper(path)
+            value = string.upper(i)
+
+            if self.regex.match(value) == len(value):
+                filelist.append(i)
+
+	    self.files = filelist
+
+    def MakeRegex(self, pattern):
+        import regex
+        f = ""	# Set up a regex for file names
+        for ch in pattern:
+            if ch == "*":
+                f = f + ".*"
+            elif ch == ".":
+                f = f + "\."
+            elif ch == "?":
+                f = f + "."
+            else:
+                f = f + ch
+
+        self.regex = regex.compile(f)
+
+    def StripExt(self, file_nm):
+        fl_fld = os.path.splitext(file_nm)
+        fl_name = fl_fld[0]
+        ext = fl_fld[1]
+        return ext[1:]