← Back to branch summary

~ubuntu-branches/debian/squeeze/phatch/squeeze

« back to all changes in this revision

Viewing changes to phatch/pyWx/lib/imageInspector.py

  • Committer: Bazaar Package Importer
  • Author(s): Emilio Pozuelo Monfort
  • Date: 2008-02-13 23:48:47 UTC
  • Revision ID: james.westby@ubuntu.com-20080213234847-mp6vc4y88a9rz5qz
Tags: upstream-0.1
Import upstream version 0.1

Show diffs side-by-side

added added

removed removed

Lines of Context:
phatch/pyWx/lib/imageInspector.py
 
1
# Copyright (C) 2007-2008 www.stani.be
 
2
#
 
3
# This program is free software: you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation, either version 3 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
# 
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program.  If not, see http://www.gnu.org/licenses/
 
15
 
 
16
import os, sys
 
17
 
 
18
if __name__ == '__main__':
 
19
    sys.path.extend(['../..','../../core/lib'])
 
20
    __builtins__._=str
 
21
 
 
22
import wx
 
23
import wx.grid as  gridlib
 
24
 
 
25
import droplet, inspectorTag
 
26
from formField import IMAGE_READ_EXTENSIONS, is_file
 
27
from wildcard import wildcard_list
 
28
from clipboard import copy_text
 
29
from graphics import bitmap_open
 
30
from core.pil import extract_info, pyexiv2, DOT, image_open
 
31
 
 
32
SIZE    = (470,510)
 
33
TAGS    = ['Select','All','Pil']
 
34
if pyexiv2:
 
35
    TAGS.extend(['Exif','Iptc'])
 
36
TAGS.extend(['Pexif','Zexif'])
 
37
 
 
38
def shortcut(key):
 
39
    return ''
 
40
 
 
41
def extract_data(filename,info):
 
42
    if filename.strip():
 
43
        extract_info(info,image_open(filename),filename)
 
44
    return [(shortcut(key),'<%s>'%key,value) for key, value in info.items()]
 
45
 
 
46
class Grid(droplet.Mixin,inspectorTag.Grid):
 
47
    wildcard    = '|'.join([
 
48
        wildcard_list(_('Images'),IMAGE_READ_EXTENSIONS),_('All files'),'*'])
 
49
    def _init(self):
 
50
        super(Grid,self)._init()
 
51
        self.info       = {}
 
52
        self.SetAsFileDropTarget(self,self.OnDrop)
 
53
        self.SetAsFileDropTarget(self.GetEmpty(),self.OnDrop)
 
54
        self.SetAsFileDropTarget(self.GetDialog(),self.OnDrop)
 
55
        self.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown)
 
56
        
 
57
    def OnKeyDown(self,event):
 
58
        if event.ControlDown() and event.GetKeyCode() == 67:
 
59
            self.OnCopy()
 
60
        else:
 
61
            event.Skip()
 
62
            
 
63
    def show_message(self,message,title='',style=wx.OK | wx.ICON_EXCLAMATION):
 
64
        dlg = wx.MessageDialog(self, 
 
65
                message,
 
66
                title,
 
67
                style,
 
68
        )
 
69
        answer  = dlg.ShowModal()
 
70
        dlg.Destroy()
 
71
        return answer
 
72
 
 
73
        
 
74
    def OnDrop(self,filenames,x,y):
 
75
        f   = filenames[0]
 
76
        if is_file(f):
 
77
            self.OpenImage(f)
 
78
        else:
 
79
            self.show_message(_('Only an image file is allowed.'))
 
80
        #path    = ct.PATH_DELIMITER.join(filenames)
 
81
        
 
82
    def SetTag(self,tag,autosize=True):
 
83
        super(Grid,self).SetTag(tag)
 
84
        if tag == _('All'):
 
85
            self.tag_data    = self.all_data
 
86
        elif tag == _('Select'):
 
87
            self.tag_data    = [row for row in self.all_data\
 
88
                                if not(DOT in row[1])]
 
89
        else:
 
90
            tag             = '<'+tag+DOT
 
91
            n               = len(tag)
 
92
            self.tag_data   = [row for row in self.all_data if row[1][:n]==tag]
 
93
        self.SetFilter()
 
94
        
 
95
    def SetFilter(self,filter=None):
 
96
        if filter is None:
 
97
            filter  = self.GetFilter().GetValue()
 
98
        if filter.strip():
 
99
            self.data   = [row for row in self.tag_data
 
100
                if filter.lower() in str(row).lower()]
 
101
        else:
 
102
            self.data   = self.tag_data
 
103
        self.data.sort()
 
104
        if not self.CheckEmpty():
 
105
            self.RefreshAll()
 
106
        
 
107
    def OpenImage(self,filename):
 
108
        self.info       = {}
 
109
        self.filename   = filename
 
110
        self.SetData(extract_data(filename,self.info),_('Select'))
 
111
        
 
112
    def OnCopy(self,event=None):
 
113
        if self.data:
 
114
            copy_text(str(
 
115
                self.data[self.GetGridCursorRow()][self.GetGridCursorCol()]))
 
116
        
 
117
class SingleGrid(Grid):
 
118
    def OnOpen(self,event):
 
119
        style   = wx.OPEN | wx.CHANGE_DIR
 
120
        if hasattr(wx,'FD_PREVIEW'):
 
121
            style   |= wx.FD_PREVIEW
 
122
        dlg = wx.FileDialog(self, _("Choose an image"),
 
123
            defaultDir      = os.path.dirname(self.filename),
 
124
            wildcard        = self.wildcard,
 
125
            style           = style,
 
126
            )
 
127
        if dlg.ShowModal() == wx.ID_OK:
 
128
            self.OpenImage(dlg.GetPath())
 
129
        dlg.Destroy()
 
130
        
 
131
    def OnOpenUrl(self,event):
 
132
        dlg = wx.TextEntryDialog(self, _("Enter an image url"))
 
133
        if dlg.ShowModal() == wx.ID_OK:
 
134
            self.OpenImage(dlg.GetValue())
 
135
        dlg.Destroy()
 
136
        
 
137
    def OpenImage(self,filename):
 
138
        super(SingleGrid,self).OpenImage(filename)
 
139
        self.GetDialog()._OpenImage(filename)
 
140
 
 
141
    def SetFilter(self,filter=None):
 
142
        super(SingleGrid,self).SetFilter(filter)
 
143
        dlg = self.GetDialog().EnableImage(bool(self.data))
 
144
            
 
145
    def GetDialog(self):
 
146
        return wx.GetTopLevelParent(self)
 
147
 
 
148
class Browser(inspectorTag.Browser):
 
149
    ContentCtrl         = Grid
 
150
    
 
151
    def _init(self):
 
152
        self.GetContent().SetTag(_('Select'))
 
153
        
 
154
    def GetPaintMessage(self):
 
155
        content     = self.GetContent()
 
156
        if not content.info:
 
157
            return _('drag & drop any image here')
 
158
        if content.tag_data:
 
159
            return _('broaden your search')
 
160
        tag = self.tag.GetStringSelection().lower()
 
161
        if tag == 'Exif' and not pyexiv2:
 
162
            return _('please install pyexiv2')
 
163
        return _('no %s tags found')%tag
 
164
    
 
165
class SingleBrowser(Browser):
 
166
    ContentCtrl     = SingleGrid
 
167
    
 
168
class SingleFrame(inspectorTag.Frame):
 
169
    Browser     = SingleBrowser
 
170
    def __init__(self,parent,filename='',*args,**keyw):
 
171
        super(SingleFrame,self).__init__(parent,[],TAGS, *args,**keyw)
 
172
        if not os.path.isfile(filename):filename = ''
 
173
        self.GetGrid().OpenImage(filename)
 
174
        self.filename   = ''#forces refresh of thumb
 
175
        
 
176
    def _OpenImage(self,filename):
 
177
        """To be called from the grid."""
 
178
        if filename.strip():
 
179
            di, ba      = os.path.split(filename)
 
180
            self.SetTitle('%s %s'%(ba,di))
 
181
        else:
 
182
            self.SetTitle(_('Image Inspector'))
 
183
        if self.thumb.IsShown():
 
184
            self.UpdateThumb()
 
185
            
 
186
    def _thumb(self):
 
187
        self.thumb_height   = 128
 
188
        size                = (self.thumb_height,self.thumb_height)
 
189
        bmp                 = wx.ArtProvider_GetBitmap(wx.ART_MISSING_IMAGE,
 
190
            wx.ART_OTHER,size=size)
 
191
        self.thumb      = wx.StaticBitmap(self, -1, bmp, size=size)
 
192
        self.thumb.Hide()
 
193
        grid                = self.GetGrid()
 
194
        grid.SetAsFileDropTarget(self.thumb,grid.OnDrop)
 
195
 
 
196
        
 
197
    def _layout_top(self,main_sizer):
 
198
        self._thumb()
 
199
        main_sizer.Add(self.thumb, 0, wx.LEFT|wx.TOP, 8)
 
200
        
 
201
    def _layout_buttons(self,btn_sizer):
 
202
        self.preview    = wx.CheckBox(self, -1, _("&Preview"))
 
203
        self.preview.Disable()
 
204
        self.open       = self.CreateBitmapButton(wx.ART_FOLDER_OPEN,
 
205
            _("Open image file"))
 
206
        self.open_url   = self.CreateBitmapButton(wx.ART_GO_HOME,
 
207
            _("Open image url"))
 
208
        self.copy   = self.CreateBitmapButton(wx.ART_COPY,
 
209
            _("Copy cell text"))
 
210
        self.copy.Disable()
 
211
        btn_sizer.Add(self.preview, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
 
212
        btn_sizer.Add(self.open, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
 
213
        btn_sizer.Add(self.open_url, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
 
214
        btn_sizer.Add(self.copy, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
 
215
        super(SingleFrame,self)._layout_buttons(btn_sizer)
 
216
        
 
217
    def _events(self):
 
218
        super(SingleFrame,self)._events()
 
219
        grid    = self.GetGrid()
 
220
        self.open.Bind(wx.EVT_BUTTON,grid.OnOpen)
 
221
        self.open_url.Bind(wx.EVT_BUTTON,grid.OnOpenUrl)
 
222
        self.copy.Bind(wx.EVT_BUTTON,grid.OnCopy)
 
223
        self.preview.Bind(wx.EVT_CHECKBOX,self.OnPreview)
 
224
        
 
225
    def OnPreview(self,event):
 
226
        state   = event.IsChecked()
 
227
        self.thumb.Show(state)
 
228
        if state: self.UpdateThumb()
 
229
        self.Layout()
 
230
        
 
231
    def UpdateThumb(self):
 
232
        grid    = self.GetGrid()
 
233
        if self.filename != grid.filename:
 
234
            self.filename = grid.filename
 
235
            wx.BeginBusyCursor()
 
236
            bmp = bitmap_open(grid.filename,self.thumb_height)
 
237
            self.thumb.SetBitmap(bmp)
 
238
            size    = (bmp.GetWidth(),bmp.GetHeight())
 
239
            self.thumb.SetSize(size)
 
240
            self.thumb.SetMinSize(size)
 
241
            wx.EndBusyCursor()
 
242
        
 
243
    def EnableImage(self,state):
 
244
        if not hasattr(self,'copy'): return
 
245
        for ctrl in [self.copy,self.preview]:
 
246
            ctrl.Enable(state)
 
247
    
 
248
if __name__ == '__main__':
 
249
    app = wx.PySimpleApp()
 
250
    frame = SingleFrame(
 
251
        None,
 
252
        '',
 
253
        #'/home/stani/sync/photos/20070118-verhuis/IMG_1077.JPG',
 
254
        size=SIZE)
 
255
    frame.Show(True)
 
256
    app.MainLoop()