-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathzoom_interface_v3_3_dist.py
216 lines (177 loc) · 8.76 KB
/
zoom_interface_v3_3_dist.py
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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
import traceback
import sys
import os
from PyQt5.QtWidgets import QWidget, QPushButton, QApplication, QFileDialog, QSlider, QGridLayout, QLabel, \
QTreeView, QAbstractItemView, QHeaderView, QCheckBox
from PyQt5.QtCore import Qt, pyqtSlot, pyqtSignal, QObject, QRunnable, QThreadPool
from PyQt5.QtGui import QStandardItemModel, QStandardItem
from copy import deepcopy
from compress_and_prune_v4_1 import read_and_count, simplify_tree
# BUG ALERT
# BUG: simplify_tree crashes if all folders do not contain a single file due to dir_dict being empty
class WorkerSignals(QObject):
started = pyqtSignal()
result = pyqtSignal(object)
finished = pyqtSignal()
class Worker(QRunnable):
def __init__(self, fn, *args, **kwargs):
super(Worker, self).__init__()
# Store constructor arguments (re-used for processing)
self.fn = fn
self.args = args
self.kwargs = kwargs
self.signals = WorkerSignals()
@pyqtSlot()
def run(self):
try:
self.signals.started.emit()
result = self.fn(*self.args, **self.kwargs)
except:
traceback.print_exc()
else:
self.signals.result.emit(result)
finally:
self.signals.finished.emit()
class ZoomerWidget(QWidget):
def __init__(self):
super().__init__()
self.setWindowTitle('GIMZoomer')
self.prune_thold = 4
self.root_path = os.path.expanduser('~')
self.threadpool = QThreadPool()
self.resize_mode = 'dynamic'
select_btn = QPushButton('Select Folder', self)
select_btn.setToolTip('Select <b>root folder</b> to simplify.')
select_btn.clicked.connect(self.show_file_dialog)
select_btn.resize(select_btn.sizeHint())
self.folder_edit = QLabel()
self.folder_edit.setText(self.root_path)
self.status_label = QLabel()
self.status_label.setText('')
self.status_label.setStyleSheet("color: red;"
"font: bold;")
self.resize_mode_cb = QCheckBox('Resize columns automatically', self)
self.resize_mode_cb.toggle()
self.resize_mode_cb.stateChanged.connect(self.change_resize_mode)
self.slider_label_top = QLabel()
self.slider_label_top.setAlignment(Qt.AlignCenter)
self.slider_label_top.setText('Few important folders')
self.slider_label_btm = QLabel()
self.slider_label_btm.setAlignment(Qt.AlignCenter)
self.slider_label_btm.setText('All folders')
self.slider = QSlider(Qt.Vertical, self) # for dynamically changing pruning threshold, default is 0.02
self.slider.setValue(self.prune_thold)
self.slider.setTickPosition(QSlider.TicksBothSides)
self.slider.setTickInterval(10)
self.slider.valueChanged[int].connect(self.slider_value_change)
ogtree_label = QLabel()
ogtree_label.setAlignment(Qt.AlignCenter)
ogtree_label.setText('Original Structure')
tree_label = QLabel()
tree_label.setAlignment(Qt.AlignCenter)
tree_label.setText('Pruned Structure\n(Ordered by Folder Importance)')
self.ogtree = QTreeView(self)
self.ogtree.setEditTriggers(QAbstractItemView.NoEditTriggers)
self.ogmodel = QStandardItemModel()
self.ogmodel.setHorizontalHeaderLabels(['Folder Name', 'Accessible Files', 'Number of Files'])
self.tree = QTreeView(self)
self.tree.setEditTriggers(QAbstractItemView.NoEditTriggers)
self.model = QStandardItemModel()
self.model.setHorizontalHeaderLabels(['Folder Name', 'Accessible Files', 'Number of Files'])
self.dir_dict, self.og_dir_dict = dict(), dict()
self.build_tree_structure_threaded(self.root_path, self.prune_thold)
grid = QGridLayout()
grid.addWidget(select_btn, 0, 0, 1, 1)
grid.addWidget(self.folder_edit, 0, 1, 1, 8)
grid.addWidget(self.status_label, 1, 0, 1, 9)
grid.addWidget(self.resize_mode_cb, 2, 0, 1, 3)
grid.addWidget(ogtree_label, 3, 0, 1, 4)
grid.addWidget(self.slider_label_top, 3, 4, 1, 1)
grid.addWidget(tree_label, 3, 5, 1, 4)
grid.addWidget(self.ogtree, 4, 0, 1, 4)
grid.addWidget(self.slider, 4, 4, 1, 1, alignment=Qt.AlignHCenter)
grid.addWidget(self.tree, 4, 5, 1, 4)
grid.addWidget(self.slider_label_btm, 5, 4, 1, 1)
self.setLayout(grid)
self.resize(640, 480)
self.show()
def change_resize_mode(self, state):
if state == Qt.Checked:
self.resize_mode = 'dynamic'
else:
self.resize_mode = 'static'
self.refresh_tree_header(self.ogtree, self.resize_mode)
self.refresh_tree_header(self.tree, self.resize_mode)
def refresh_tree_header(self, tree, resize_mode):
if resize_mode == 'dynamic':
tree.header().setSectionResizeMode(0, QHeaderView.ResizeToContents)
tree.header().setSectionResizeMode(1, QHeaderView.ResizeToContents)
tree.header().setSectionResizeMode(2, QHeaderView.ResizeToContents)
elif resize_mode == 'static':
tree.header().setSectionResizeMode(0, QHeaderView.Interactive)
tree.header().setSectionResizeMode(1, QHeaderView.Interactive)
tree.header().setSectionResizeMode(2, QHeaderView.Interactive)
def scale_pruning(self, prune_thold):
return prune_thold * 0.005
def show_file_dialog(self):
dirpath = QFileDialog.getExistingDirectory(self, 'Select Folder', self.root_path)
if dirpath:
self.root_path = os.path.abspath(dirpath)
self.folder_edit.setText(self.root_path)
self.build_tree_structure_threaded(self.root_path, self.prune_thold)
def slider_value_change(self, value):
self.prune_thold = value
self.dir_dict = deepcopy(self.og_dir_dict)
self.simplify_tree_structure_threaded(self.root_path, self.dir_dict, self.prune_thold)
def build_tree_structure_threaded(self, root_path, prune_thold):
worker = Worker(self.build_tree_structure, root_path, prune_thold)
worker.signals.started.connect(self.build_tree_started)
worker.signals.result.connect(self.build_tree_finished)
self.threadpool.start(worker)
def simplify_tree_structure_threaded(self, root_path, dir_dict, prune_thold):
worker = Worker(self.simplify_tree_structure, root_path, dir_dict, prune_thold)
worker.signals.started.connect(self.simplify_tree_started)
worker.signals.result.connect(self.simplify_tree_finished)
self.threadpool.start(worker)
def build_tree_structure(self, root_path, prune_thold):
self.slider.setDisabled(True)
dir_dict = read_and_count(root_path)
og_dir_dict = deepcopy(dir_dict)
dir_dict = simplify_tree(root_path, 1, dir_dict, 0.95, self.scale_pruning(prune_thold), print_=False)
self.slider.setEnabled(True)
return og_dir_dict, dir_dict
def simplify_tree_structure(self, root_path, dir_dict, prune_thold):
dir_dict = simplify_tree(root_path, 1, dir_dict, 0.95, self.scale_pruning(prune_thold), print_=False)
return dir_dict
def build_tree_started(self):
self.status_label.setText('Building tree, slider disabled, please wait...')
def build_tree_finished(self, result):
self.og_dir_dict, self.dir_dict = result
self.refresh_treeview(self.ogmodel, self.ogtree, self.og_dir_dict)
self.refresh_treeview(self.model, self.tree, self.dir_dict)
self.status_label.setText('')
def simplify_tree_started(self):
self.status_label.setText('Simplifying tree, please wait...')
def simplify_tree_finished(self, dir_dict):
self.refresh_treeview(self.model, self.tree, dir_dict)
self.status_label.setText('')
def refresh_treeview(self, model, tree, dir_dict):
model.removeRow(0)
parent = model.invisibleRootItem()
self.append_all_children(1, dir_dict, parent) # dir_dict key starts at 1 since 0==False
tree.setModel(model)
self.refresh_tree_header(tree, self.resize_mode)
tree.expandToDepth(0)
def append_all_children(self, dirkey, dir_dict, qitem):
qitem.appendRow([QStandardItem(dir_dict[dirkey][0]),
QStandardItem(str(dir_dict[dirkey][4])),
QStandardItem(str(len(dir_dict[dirkey][3])))])
current_row = qitem.rowCount()-1
children_keys = dir_dict[dirkey][2]
children_names = [dir_dict[child][0].lower() for child in children_keys]
for child_name, child_key in sorted(zip(children_names, children_keys)):
self.append_all_children(child_key, dir_dict, qitem.child(current_row))
if __name__ == '__main__':
app = QApplication(sys.argv)
zw = ZoomerWidget()
sys.exit(app.exec_())