DataTreePanel.py 5.52 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
#MDANSE : Molecular Dynamics Analysis for Neutron Scattering Experiments
#------------------------------------------------------------------------------------------
#Copyright (C)
#2015- Eric C. Pellegrini Institut Laue-Langevin
#BP 156
#6, rue Jules Horowitz
#38042 Grenoble Cedex 9
#France
#pellegrini[at]ill.fr
#goret[at]ill.fr
#aoun[at]ill.fr
#
#This library is free software; you can redistribute it and/or
#modify it under the terms of the GNU Lesser General Public
#License as published by the Free Software Foundation; either
#version 2.1 of the License, or (at your option) any later version.
#
#This library is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#Lesser General Public License for more details.
#
#You should have received a copy of the GNU Lesser General Public
#License along with this library; if not, write to the Free Software
#Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

''' 
Created on Apr 10, 2015

:author: Eric C. Pellegrini
'''

import wx

35
36
from MDANSE.GUI import PUBLISHER
from MDANSE.GUI.DataController import DATA_CONTROLLER
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57

class DataObject(wx.TextDataObject):

    def __init__(self, pluginStr):
        wx.TextDataObject.__init__(self)
                
        self.SetText(pluginStr)   
        
class DataTreePanel(wx.Panel):
    
    def __init__(self, parent):
        
        wx.Panel.__init__(self, parent, wx.ID_ANY)
        
        self.build_panel()
        
        self.build_layout()

        self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.on_double_click_data)
        self.Bind(wx.EVT_TREE_BEGIN_DRAG, self.on_drag_data)
        self.Bind(wx.EVT_TREE_KEY_DOWN, self.on_delete_data, self._tree)
58
59
        
        self.Bind(wx.EVT_WINDOW_DESTROY,self.OnDestroy)
60

61
62
        PUBLISHER.subscribe(self.msg_load_input_data, 'msg_load_input_data')       
        PUBLISHER.subscribe(self.msg_delete_input_data, 'msg_delete_input_data')       
63
64
65
66
67
        
    @property
    def tree(self):
        return self._tree
    
68
69
    def OnDestroy(self,event):
        
70
71
        PUBLISHER.unsubscribe(self.msg_load_input_data, 'msg_load_input_data')       
        PUBLISHER.unsubscribe(self.msg_delete_input_data, 'msg_delete_input_data')       
72
73
        event.Skip()
    
74
    def msg_load_input_data(self,message):
75
        
76
        if message is None:
77
            return
78
                        
79
        self.add_data(message)
80

81
    def msg_delete_input_data(self,message):
82

83
84
85
86
        if message is None:
            return

        item = self.get_tree_item(self._root,message)
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
        
        if item is None:
            return
        
        parentItem = self._tree.GetItemParent(item)
         
        self._tree.Delete(item)
         
        if not self._tree.ItemHasChildren(parentItem):
            self._tree.Delete(parentItem)
    
    def get_tree_item(self, node, name):
                
        for item in self.get_children(node):
            if self._tree.GetItemData(item).GetData() == name:
                return item
            else:
                return self.get_tree_item(item, name)
        
        return None
    
    def get_children(self, item):
        
        item, _ = self._tree.GetFirstChild(item)
        
        while item.IsOk():
            yield item
            item = self._tree.GetNextSibling(item)
                
116
    def add_data(self,data):
117
                
118
        dataItem = wx.TreeItemData(data.name)
119
120
121

        item = None
        for cItem in self.get_children(self._root):
122
            if data._type == self._tree.GetItemText(cItem):
123
124
125
                item = cItem
                break
        if item is None:    
126
            item = self._tree.AppendItem(self._root, data._type, data=None)
127

128
        self._tree.AppendItem(item, data.shortname, data=dataItem)
129
130
131
132
133

        self._tree.ExpandAll()
          
    def build_panel(self):
        
134
        self._tree = wx.TreeCtrl(self, wx.ID_ANY, style=wx.TR_DEFAULT_STYLE|wx.TR_HIDE_ROOT)
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
        
        self._root = self._tree.AddRoot("root")
                     
    def build_layout(self):
        
        sizer = wx.BoxSizer(wx.VERTICAL)
        
        sizer.Add(self._tree, 1, wx.EXPAND, 0)
        
        self.SetSizer(sizer)
         
    def on_delete_data(self, event):
        
        keycode = event.GetKeyCode()
        
        if keycode == wx.WXK_DELETE:
            
            item = self._tree.GetSelection()
            itemData = self._tree.GetItemData(item)
            
            if itemData.GetData() is None:
                return

            del DATA_CONTROLLER[itemData.GetData()]
                                    
    def on_double_click_data(self, event):
        
        itemData = self._tree.GetItemData(event.GetItem())
        
        if itemData.GetData() is None:
            return
        
        containerStr = itemData.GetData()
       
        self.TopLevelParent.panels["working"].drop(containerStr)
                                           
    def on_drag_data(self, event):

        containerStr = self._tree.GetItemData(event.GetItem()).GetData()
        
        if containerStr is None:
            return            
        
        dropSource = wx.DropSource(self)

        data = DataObject(containerStr)
        
        dropSource.SetData(data)
        
184
        dropSource.DoDragDrop(wx.Drag_CopyOnly)