2016/7/20 1:18:29 PyQT5 炫酷的左侧导航效果

2016/7/20 1:18:29 

 

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from PyQt5.QtWidgets import (QApplication, QWidget, QHBoxLayout, QTreeWidget, QTreeWidgetItem, QGroupBox)from PyQt5.QtGui import QIcon, QPixmapfrom PyQt5.QtCore import QSize class Bar_Navigation(QWidget): def __init__(self): super(Bar_Navigation, self).__init__() self.setMinimumHeight(600); self.setMinimumWidth(800);  ##layout_main.setMargin(5) ##layout_main.setSpace(5) self.creat_main_layout() self.creat_bar_navigation() self.creat_left_box()  def get_bar_list(self):  bar_list_item = [] bar_list_1 = ["定货管理", ["客户定货", "库存定货", "供货商定货"] ] bar_list_2 = ["入库管理", ["采购入库", "定货入库", "其它入库"] ] bar_list_item.append(bar_list_1) bar_list_item.append(bar_list_2) return bar_list_item  def creat_main_layout(self):  self.layout_main = QHBoxLayout() self.setLayout( self.layout_main)  def creat_bar_list(self, data):  for item in data: item_1 = QTreeWidgetItem( self.tree_Navigation)  ##item_1.setText(0,item[0]) ## 设置节点的打开/关闭状态下的不一样的图片 icon = QIcon() ##节点打开状态 icon.addPixmap(QPixmap("./logo2.png"), QIcon.Normal, QIcon.On) ##节点关闭状态　　 icon.addPixmap(QPixmap("./logo1.png"), QIcon.Normal, QIcon.Off) item_1.setIcon(0, icon)  for item_item in item[1]: item_1_1 = QTreeWidgetItem( item_1);  item_1_1.setText(0,item_item)  self.tree_Navigation.addTopLevelItem(item_1);      def creat_bar_navigation(self): self.tree_Navigation = QTreeWidget()  self.tree_Navigation.setHeaderLabel("左侧导航栏");  self.tree_Navigation.setColumnCount(1) self.tree_Navigation.setMaximumWidth(150);  icon_size = QSize(100, 30) self.tree_Navigation.setIconSize(icon_size)  ##若是treewidget就一列，该列的宽度默认等于treewidget的宽度,两列以上的话才起做用. ##self.tree_Navigation.setColumnWidth(0,100); data = self.get_bar_list() self.creat_bar_list(data) self.layout_main.addWidget(self.tree_Navigation) ## QModelIndex ##self.tree_Navigation.doubleClicked.connect(self.showModelSelected) ## QTreeWidgetItem self.tree_Navigation.itemDoubleClicked.connect(self.showSelected)  ## QModelIndex def showModelSelected(self, modelIndex): print( modelIndex.row(), modelIndex.column())  ## itemObj:QTreeWidgetItem def showSelected(self, item, column): ##得到父节点 parent=item.parent()   ## 注:本例的深度只有2,所以只有index_top,index_row两个变量表示路径 ##根节点上的索引 ## 合理值:非负整数 index_top = 0 ## 子节点上的索引 ##若是为-1则标示是根节点上的项;若是不是-1则标示在子节点上 ## 合理值:非负整数 index_row = -1  ## 若是是要判断是否为None，则： if parent is None: index_top= self.tree_Navigation.indexOfTopLevelItem(item) else :  index_top = self.tree_Navigation.indexOfTopLevelItem(parent)  index_row=parent.indexOfChild(item)##得到节点在父节点中的行号(从0开始)  print(index_top, index_row)  def creat_left_box(self): self.box_left = QGroupBox('left party')  self.layout_main.addWidget(self.box_left) if __name__ == "__main__":  import sys  app = QApplication(sys.argv) window = Bar_Navigation() window.show()  sys.exit(app.exec_())

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