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Python Treeview.event_generate方法代码示例

本文整理汇总了Python中tkinter.ttk.Treeview.event_generate方法的典型用法代码示例。如果您正苦于以下问题:Python Treeview.event_generate方法的具体用法?Python Treeview.event_generate怎么用?Python Treeview.event_generate使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在tkinter.ttk.Treeview的用法示例。


在下文中一共展示了Treeview.event_generate方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: NameView

# 需要导入模块: from tkinter.ttk import Treeview [as 别名]
# 或者: from tkinter.ttk.Treeview import event_generate [as 别名]
class NameView(object):
    """Shows a treeview of unique names."""

    def __init__(self, master, names):
        self.widget = Frame(master)
        self._tree = Treeview(self.widget, columns='name')
        self._tree.grid(row=0,column=0, sticky=(N,S,W,E))
        self._tree.view = self
        self.widget.columnconfigure(0, weight=1)
        self.widget.rowconfigure(0,weight=1)
        self._tree.column('name', width=50)
        self._tree['show'] = 'tree'
        actions = {'edit': lambda e: self.edit(),
                'search': lambda e: self.search(),
                'focus_next': lambda e: self.focus_next(),
                'focus_prev': lambda e: self.focus_prev(),
                'select': lambda e: self._tree.selection_toggle(self._tree.focus()),
                'clear_selection': lambda e: self._tree.selection_set([])
                }
        kb.make_bindings(kb.tagview, actions, self._tree.bind)
        self._iids = dict()
        self._names = dict()
        logger.debug('Names: %s', names)
        self.widget.focus_set = self._tree.focus_set
        for name in sorted(names):
            iid = self._tree.insert('', 'end', text=name)
            self._names[iid] = name
            self._iids[name] = iid
        self._scroll = Scrollbar(self.widget, command=self._tree.yview)
        self._tree['yscrollcommand'] = self._scroll.set
        self._scroll.grid(row=0, column=1, sticky=(N, S))
        self.widget.columnconfigure(1, weight=0)


    def selection(self):
        logger.debug('Selection: %s', self._tree.selection())
        return [self._names[iid] for iid in self._tree.selection()]

    def edit(self):
        self._tree.event_generate('<<NameViewEdit>>')

    def search(self):
        if len(self._tree.selection()) == 0:
            self._tree.selection_add(self._tree.focus())
        self._tree.event_generate('<<NameViewSearch>>')

    def append(self, names):
        logger.debug('Append names: %s', names)
        for name in names:
            if name not in self._names.values():
                iid = self._tree.insert('', 'end', text=name)
                self._names[iid] = name
                self._iids[name] = iid

    def delete(self, name):
        self._tree.delete(self._iids[name])
        del self._names[self._iids[name]]
        del self._iids[name]

    def _focus(self, iid):
        self._tree.focus(iid)
        self._tree.see(iid)

    def focus_next(self):
        cur_iid = self._tree.focus()
        next_iid = self._tree.next(cur_iid)
        if next_iid == '':
            iids = self._tree.get_children()
            next_iid = iids[0]
        self._focus(next_iid)

    def focus_prev(self):
        cur_iid = self._tree.focus()
        prev_iid = self._tree.prev(cur_iid)
        if prev_iid == '':
            iids = self._tree.get_children()
            prev_iid = iids[-1]
        self._focus(prev_iid)

    def jump_to(self, name):
        try:
            iid = self._iids[name]
            self._focus(iid)
        except KeyError:
            pass

    def get_names(self):
        return tuple(self._names.values())

    def set(self, names):
        self._tree.delete(*self._iids.values())
        self._iids.clear()
        self._names.clear()
        for name in sorted(names):
            iid = self._tree.insert('', 'end', text=name)
            self._names[iid] = name
            self._iids[name] = iid
开发者ID:gokai,项目名称:tim,代码行数:99,代码来源:tagview.py


注:本文中的tkinter.ttk.Treeview.event_generate方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。