workspace/plasma/scriptengines/ruby/examples/applets/clock/contents/code/clockapplet.rb

   1 =begin
   2 /***************************************************************************
   3  *   Copyright (C) 2007-2008 by Riccardo Iaconelli <riccardo@kde.org>      *
   4  *   Copyright (C) 2007-2008 by Sebastian Kuegler <sebas@kde.org>          *
   5  *                                                                         *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  *                                                                         *
  11  *   This program is distributed in the hope that it will be useful,       *
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14  *   GNU General Public License for more details.                          *
  15  *                                                                         *
  16  *   You should have received a copy of the GNU General Public License     *
  17  *   along with this program; if not, write to the                         *
  18  *   Free Software Foundation, Inc.,                                       *
  19  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
  20  ***************************************************************************/
  21 =end
  22
  23 class ClockApplet < PlasmaScripting::Applet
  24   attr_accessor :currentTimezone
  25
  26   slots :configAccepted,
  27         'showCalendar(QGraphicsSceneMouseEvent *)',
  28         'currentTimezone=(QString)'
  29
  30   def initialize(parent, args)
  31     super(parent, args)
  32     @calendar = nil
  33     @currentTimezone = "Local"
  34
  35     @calendarUi = Ui::Calendar.new
  36     @timezonesUi = Ui::TimezonesConfig.new
  37     @clicked = Qt::Point.new
  38     @timeZones = []
  39   end
  40
  41   def updateToolTipContent()
  42   end
  43
  44   def createConfigurationInterface(parent)
  45     createClockConfigurationInterface(parent)
  46
  47     widget = Qt::Widget.new
  48     @timezonesUi.setupUi(widget)
  49
  50     parent.addPage(widget, KDE.i18n("Time Zones"), icon())
  51
  52     @timezonesUi.localTimeZone.checked = localTimezone?
  53     @timezonesUi.timeZones.setSelected(@currentTimezone, true)
  54     @timezonesUi.timeZones.enabled = !localTimezone?
  55
  56     parent.buttons = KDE::Dialog::Ok | KDE::Dialog::Cancel | KDE::Dialog::Apply
  57     connect(parent, SIGNAL(:applyClicked), self, SLOT(:configAccepted))
  58     connect(parent, SIGNAL(:okClicked), self, SLOT(:configAccepted))
  59   end
  60
  61   def createClockConfigurationInterface(parent)
  62   end
  63
  64   def clockConfigAccepted()
  65   end
  66
  67   def configAccepted()
  68     cg = config()
  69
  70     @timeZones = @timezonesUi.timeZones.selection()
  71     cg.writeEntry("timeZones", @timeZones)
  72
  73     newTimezone = localTimezone()
  74
  75     if !@timezonesUi.localTimeZone.checked? && !@timeZones.empty?
  76         newTimezone = @timeZones[0]
  77     end
  78
  79     changeEngineTimezone(@currentTimezone, newTimezone)
  80
  81     @currentTimezone = newTimezone
  82     cg.writeEntry("currentTimezone", newTimezone)
  83
  84     clockConfigAccepted()
  85
  86     constraintsEvent(Plasma::SizeConstraint)
  87     update()
  88     emit configNeedsSaving
  89   end
  90
  91   def changeEngineTimezone(oldTimezone, newTimezone)
  92   end
  93
  94   def mousePressEvent(event)
  95     if event.buttons == Qt::LeftButton
  96       @clicked = scenePos.toPoint
  97       event.accepted = true
  98         return
  99     end
 100
 101     super(event)
 102   end
 103
 104   def mouseReleaseEvent(event)
 105     if (@clicked - scenePos.toPoint).manhattanLength <
 106         KDE::GlobalSettings.dndEventDelay()
 107         showCalendar(event)
 108     end
 109   end
 110
 111   def showCalendar(event)
 112     if @calendar == 0
 113       @calendar = Plasma::Dialog.new
 114       @calendarUi.setupUi(@calendar)
 115       @calendar.setWindowFlags(Qt::Popup)
 116       @calendar.adjustSize
 117     end
 118
 119     if @calendar.visible?
 120       @calendar.hide
 121     else
 122       data = dataEngine("time").query(@currentTimezone)
 123       @calendarUi.kdatepicker.date = data["Date"].toDate
 124       @calendar.move(popupPosition(@calendar.sizeHint))
 125       @calendar.show
 126     end
 127   end
 128
 129   def localTimezone?
 130     return @currentTimezone == localTimezone()
 131   end
 132
 133   def localTimezone()
 134     return "Local"
 135   end
 136 end