notepad.py

# coding: utf-8

import console, clipboard, dialogs, editor, os, ui

def make_button_item(image_name, action):
        button_item = ui.ButtonItem()
        button_item.image = ui.Image.named(image_name)
        button_item.action = action
        return button_item

def sorted_file_names(dir_path=None):
    return sorted(os.listdir(dir_path or os.getcwd()), key=str.lower)

class NotepadView(ui.View):
    def __init__(self):
        button = make_button_item('ionicons-compose-32', self.create_button_action)
        typebutt = make_button_item('ionicons-folder-32', self.type_action)
        sharebutt = make_button_item('ionicons-ios7-redo-32', self.share_action)
        copy = make_button_item('ionicons-ios7-copy-32', self.copy_action)
        self.right_button_items = [button, typebutt, sharebutt, copy]
        self.present(orientations = ['landscape', 'landscape-upside-down'])
        self.file_type = '.txt'

    def did_load(self):
        self['search string'].delegate = self
        self.reload_file_list()

    def create_button_action(self, sender):
        file_content = self['file content'].text
        if file_content:
            file_name = (self['file name'].text or 'Untitled') + self.file_type
            with open(file_name, 'w') as out_file:
                out_file.write(file_content)
            self.reload_file_list()
            msg = 'File "{}" successfully created!'.format(file_name)
            console.hud_alert(msg, 'success', 1.0)
        else:
            console.hud_alert('No text entered.', 'error', 1.0)

    def copy_action(self, sender):
        file_content = self['file content'].text
        if file_content:
          clipboard.set(file_content)
          console.hud_alert('Copied', 'success', 1.0)
        else:
          console.hud_alert('No text entered to copy.', 'error', 1.0)
    
    @ui.in_background
    def share_action(self, sender):
        file_name = self['file name'].text
        console.open_in(file_name)
        
    @ui.in_background
    def type_action(self, sender):
        self.file_type = str(dialogs.list_dialog(title='Select a file type', items=[".txt", ".py", ".pyui"], multiple=False))

    def reload_file_list(self, file_list=None):
        if file_list == None:  # None is different than []
            file_list = sorted_file_names()
        table_view = self['file list']
        table_view.data_source = table_view.delegate = ui.ListDataSource(file_list)
        table_view.delegate.action = self.file_list_tapped
        table_view.reload()

    def textfield_did_change(self, textfield):
        the_files = sorted_file_names()
        query = self['search string'].text
        if query:
            the_files = [f for f in the_files if query in f]
        self.reload_file_list(the_files)

    def file_list_tapped(self, sender):
        file_name = sender.items[sender.selected_row]
        with open(file_name) as in_file:
            self['file content'].text = in_file.read()
        self['file name'].text = file_name
        self['search string'].text = ''

if __name__ == '__main__':
    ui.load_view()