Esempio n. 1
0
class AutoCompleteTextBox(TextBox):
    def __init__(self, **kwargs):
        self.choicesPopup = PopupPanel(True, False)
        self.choices = ListBox()
        self.items = SimpleAutoCompletionItems()
        self.popupAdded = False
        self.visible = False

        self.choices.addClickListener(self)
        self.choices.addChangeListener(self)

        self.choicesPopup.add(self.choices)
        self.choicesPopup.addStyleName("AutoCompleteChoices")
            
        self.choices.setStyleName("list")

        if not kwargs.has_key('StyleName'): kwargs['StyleName']="gwt-AutoCompleteTextBox"

        TextBox.__init__(self, **kwargs)
        self.addKeyboardListener(self)

    def setCompletionItems(self, items):
        if not hasattr(items, 'getCompletionItems'):
            items = SimpleAutoCompletionItems(items)
        
        self.items = items

    def getCompletionItems(self):
        return self.items

    def onKeyDown(self, arg0, arg1, arg2):
        pass

    def onKeyPress(self, arg0, arg1, arg2):
        pass

    def onKeyUp(self, arg0, arg1, arg2):
        if arg1 == KeyboardListener.KEY_DOWN:
            selectedIndex = self.choices.getSelectedIndex()
            selectedIndex += 1
            if selectedIndex > self.choices.getItemCount():
                selectedIndex = 0
        
            self.choices.setSelectedIndex(selectedIndex)           
            return

        if arg1 == KeyboardListener.KEY_UP:
            selectedIndex = self.choices.getSelectedIndex()
            selectedIndex -= 1
            if selectedIndex < 0:
                selectedIndex = self.choices.getItemCount()
            self.choices.setSelectedIndex(selectedIndex)
            return

        if arg1 == KeyboardListener.KEY_ENTER:
            if self.visible:
                self.complete()      
            return

        if arg1 == KeyboardListener.KEY_ESCAPE:
            self.choices.clear()
            self.choicesPopup.hide()
            self.visible = False
            return

        text = self.getText()
        matches = []
        if len(text) > 0:
            matches = self.items.getCompletionItems(text)

        if len(matches) > 0:
            self.choices.clear()

            for i in range(len(matches)):
                self.choices.addItem(matches[i])
                
            if len(matches) == 1 and matches[0] == text:
                self.choicesPopup.hide()
            else:
                self.choices.setSelectedIndex(0)
                self.choices.setVisibleItemCount(len(matches) + 1)
                    
                if not self.popupAdded:
                    RootPanel().add(self.choicesPopup)
                    self.popupAdded = True

                self.choicesPopup.show()
                self.visible = True
                self.choicesPopup.setPopupPosition(self.getAbsoluteLeft(), self.getAbsoluteTop() + self.getOffsetHeight())
                self.choices.setWidth("%dpx" % self.getOffsetWidth())
        else:
            self.visible = False
            self.choicesPopup.hide()

    def onChange(self, arg0):
        self.complete()

    def onClick(self, arg0):
        self.complete()

    def complete(self):
        if self.choices.getItemCount() > 0:
            self.setText(self.choices.getItemText(self.choices.getSelectedIndex()))
            
        self.choices.clear()
        self.choicesPopup.hide()
        self.setFocus(True)
Esempio n. 2
0
 def show(self):
     global tooltip_hide_timer
     
     # activate fast tooltips
     tooltip_hide_timer = Timer(self.hide_delay, self)
     PopupPanel.show(self)
Esempio n. 3
0
    def show(self):
        global tooltip_hide_timer

        # activate fast tooltips
        tooltip_hide_timer = Timer(self.hide_delay, self)
        PopupPanel.show(self)