def onDelCoal(self):
# 从数据库删除煤层(sql内部的级联delete机制可以保证关联的work_surf、drilling_surf同时也被删除)
index = self.ui.coal.currentIndex()
if index < 0: return
if not UiHelper.MessageBox(u'您确定要删除该煤层？', question=True):
return
coal_id, ok = self.ui.coal.itemData(index).toInt()
if SQLClientHelper.DeleteCoal(coal_id):
# 从采区列表中删除
self.ui.coal.removeItem(index)
self.ui.coal.setCurrentIndex(0)
UiHelper.MessageBox(u'删除煤层成功!')
def onAddAdjLayer(self):
# 弹出名称对话框,获取名称
name = unicode(UiHelper.GetNameFromDlg(u"新增邻近层"))
if name == u'null':
UiHelper.MessageBox(u"请输入有效的名称！")
return
# 新建邻近层,并提交到数据库
adj_layer = AdjLayer()
adj_layer.name = name.encode('utf-8')
adj_layer.work_surf_id = self.work_surf_id
# 新建煤层(要邻近层关联),提交到数据库获得煤层id
coal = Coal()
# 读取界面数据到煤层(这里是为了防止出现None导致计算失败!!)
# 如果采用其它语言实现,可以不需要这段代码
coal.thick, ok = self.ui.thick.text().toDouble()
coal.gas_eta, ok = self.ui.gas_eta.text().toDouble()
coal.gas_w0, ok = self.ui.gas_w0.text().toDouble()
coal.gas_wc2, ok = self.ui.gas_wc2.text().toDouble()
print '---------------->:', coal.gas_w0, '----:', coal.gas_wc2
coal_id = SQLClientHelper.AddCoal(coal)
if coal_id <= 0:
UiHelper.MessageBox(u"新增邻近层失败")
return
# 新建邻近层与新建煤层关联在一起,并提交到数据库
adj_layer.coal_id = coal_id
adj_layer.hp, ok = self.ui.hp.text().toDouble()
adj_layer.h, ok = self.ui.h.text().toDouble()
adj_layer.in_cz = int(self.ui.in_cz.isChecked())
adj_layer_id = SQLClientHelper.AddAdjLayer(adj_layer)
if adj_layer_id <= 0:
# 删除之前新增的煤层
SQLClientHelper.DeleteCoal(coal_id)
UiHelper.MessageBox(u"新增邻近层失败")
else:
# 添加到邻近层下拉列表
index = UiHelper.AddItemToCombobox(self.ui.adj_layer, name,
adj_layer_id)
# 切换到新增item
self.ui.adj_layer.setCurrentIndex(index)
UiHelper.MessageBox(u'新增邻近层成功!')
