def load_playlist(self):
"""ファイルを開いて、タブを追加する"""
url, ok = QFileDialog.getOpenFileUrl(self,
'open a playlist files',
filter='*.m3u *.m3u8')
if not ok:
return
file_name = url.fileName()
file_name = file_name[:file_name.find(
'.')] # remove extension from file_name
if self.is_used(file_name):
return
new_playlist = self.create_new()
self.addTab(new_playlist, file_name)
new_playlist.load(url.toLocalFile())
self.setCurrentIndex(self.count() - 1)
def file_chooser_open_file(parent, f_filter=None):
dialog = QFileDialog(parent)
url = dialog.getOpenFileUrl(filter=f_filter)
return url
def action_triggered(self):
sender = self.sender()
if sender == self.ui.action_gen:
narray = genTable2array()
self.narray = narray
self.setArray(narray)
v = '（无解）'
if checkIfSolvable(narray):
v = '（有解）'
self.ui.statusbar.showMessage('预计Cost为：' + str(calc_h(self.narray)) + v, 5000)
elif sender == self.ui.action_solve:
# 判断是否有解
cnt = 0
narray_tmp = np.copy(self.narray).reshape(1, 16)
posy = int(np.where(narray_tmp == 0)[1][0])
narray_tmp = np.delete(narray_tmp, posy)
length = narray_tmp.shape[0]
for i in range(length):
for p in range(i + 1, length):
if narray_tmp[i] > narray_tmp[p]:
cnt = cnt + 1
if cnt % 2 == 0:
# inversion为偶数，另外还需要空白在从下往上数第奇数行
if int(self.narray.shape[0] - np.where(self.narray == 0)[0][0]) % 2 != 0:
self.startSolve()
else:
self.fail()
else:
# inversion为奇数，另外还需要空白在从下往上数第偶数行
if int(self.narray.shape[0] - np.where(self.narray == 0)[0][0]) % 2 == 0:
self.startSolve()
else:
self.fail()
elif sender == self.ui.action_load:
fileDialog = QFileDialog()
fileDialog.setDirectory('.')
# fileDialog.setFilter("15-Puzzle Data File(*.data)")
url = fileDialog.getOpenFileUrl(filter='15-Puzzle Data File(*.data)')
# 载入data
narray_backup = np.copy(self.narray)
if url != None:
path = url[0].path()
try:
if os.path.exists(os.path.dirname(path)):
narray = np.loadtxt(path).astype(int)
self.setArray(narray)
self.ui.statusbar.showMessage('预计Cost为：' + str(calc_h(self.narray)), 5000)
else:
self.ui.statusbar.showMessage('载入失败', 3000)
except:
message = QMessageBox()
message.setText(path + ' 不是一个有效的文件')
message.exec_()
self.narray = narray_backup
elif sender == self.ui.action_storeLayout:
self.saveLayout()
pass
elif sender == self.ui.action_storeResult:
# 保存当前状态
self.saveResult()