DotNet 4.8.1 build of DotNetBar
This commit is contained in:
@@ -0,0 +1,716 @@
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#if FRAMEWORK20
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using System;
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using System.Windows.Forms;
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using DevComponents.DotNetBar.ScrollBar;
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using System.Drawing;
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using DevComponents.DotNetBar.Controls;
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namespace DevComponents.DotNetBar.Schedule
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{
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public class TimeLineHScrollPanel : BaseItem
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{
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#region Events
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public event EventHandler<EventArgs> ScrollPanelChanged;
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#endregion
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#region Private variables
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private CalendarView _CalendarView; // CalendarView
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private HScrollBarAdv _ScrollBar; // Scroll bar
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private PageNavigator _PageNavigator; // PageNavigator
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private int _UpdateCount;
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#endregion
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="calendarView">_CalendarView</param>
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public TimeLineHScrollPanel(CalendarView calendarView)
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{
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_CalendarView = calendarView;
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Name = "TimeLineHScrollPanel";
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SetUpPanel();
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Visible = false;
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}
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#region Public properties
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/// <summary>
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/// Gets and sets the display bounds
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/// </summary>
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public override Rectangle Bounds
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{
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get { return (base.Bounds); }
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set
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{
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if (base.Bounds != value)
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{
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base.Bounds = value;
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UpdatePanel();
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}
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}
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}
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/// <summary>
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/// Gets and sets the visible status
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/// </summary>
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public override bool Visible
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{
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get { return (base.Visible); }
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set
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{
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if (base.Visible != value)
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{
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base.Visible = value;
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_ScrollBar.Visible = value;
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if (_PageNavigator != null)
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_PageNavigator.Visible = value;
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}
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}
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}
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/// <summary>
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/// Gets the ScrollBar
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/// </summary>
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public HScrollBarAdv ScrollBar
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{
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get { return (_ScrollBar); }
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}
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#endregion
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#region Internal properties
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internal PageNavigator PageNavigator
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{
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get { return (_PageNavigator); }
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}
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#endregion
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#region Private properties
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/// <summary>
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/// Gets the scrollBar SmallChange value
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/// </summary>
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private int ScrollPanelSmallChange
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{
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get { return (1); }
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}
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/// <summary>
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/// Gets the scrollBar LargeChange value
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/// </summary>
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private int ScrollPanelLargeChange
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{
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get { return (Math.Min(ScrollPanelMaximum, ScrollBar.Width / _CalendarView.TimeLineColumnWidth)); }
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}
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/// <summary>
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/// Gets the scrollBar Maximum value
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/// </summary>
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private int ScrollPanelMaximum
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{
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get { return (_CalendarView.TimeLineColumnCount); }
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}
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#endregion
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#region HookScrollEvents
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/// <summary>
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/// Hooks our ScrollBar events
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/// </summary>
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/// <param name="hook"></param>
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private void HookScrollEvents(bool hook)
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{
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if (hook == true)
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{
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ScrollBar.Scroll += ScrollBarScroll;
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ScrollBar.ValueChanged += ScrollBarValueChanged;
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}
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else
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{
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ScrollBar.Scroll -= ScrollBarScroll;
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ScrollBar.ValueChanged -= ScrollBarValueChanged;
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}
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}
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#endregion
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#region HookNavigateEvents
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/// <summary>
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/// Hooks our PageNavigator events
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/// </summary>
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/// <param name="hook"></param>
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private void HookNavigateEvents(bool hook)
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{
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if (_PageNavigator != null)
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{
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if (hook == true)
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{
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_PageNavigator.NavigateNextPage += NavigateNextPage;
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_PageNavigator.NavigatePreviousPage += NavigatePreviousPage;
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_PageNavigator.NavigateToday += NavigateToday;
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}
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else
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{
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_PageNavigator.NavigateNextPage -= NavigateNextPage;
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_PageNavigator.NavigatePreviousPage -= NavigatePreviousPage;
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_PageNavigator.NavigateToday -= NavigateToday;
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}
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}
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}
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#endregion
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#region Event handling
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#region ScrollBar_Scroll
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/// <summary>
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/// ScrollBar Scroll event handler
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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void ScrollBarScroll(object sender, ScrollEventArgs e)
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{
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if (e.Type == ScrollEventType.SmallIncrement)
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{
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// The user has right-arrow scrolled to the very end of
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// the scrollbar, so add another time slice to timeline
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if (ScrollBar.Value >= ScrollBar.Maximum - ScrollBar.LargeChange)
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IncreaseEndDate(1);
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}
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else if (e.Type == ScrollEventType.SmallDecrement)
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{
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// The user has left-arrow scrolled to the very beginning of
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// the scrollbar, so add another time slice to timeline
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if (ScrollBar.Value == 0)
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DecreaseStartDate(1);
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}
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}
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#endregion
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#region ScrollBar_ValueChanged
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/// <summary>
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/// Processes ScrollBar ValueChanged events
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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void ScrollBarValueChanged(object sender, EventArgs e)
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{
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OnScrollPanelUpdate();
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}
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#endregion
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#region NavigatePreviousPage
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/// <summary>
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/// Navigates to the previous page
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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void NavigatePreviousPage(object sender, EventArgs e)
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{
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DateTime startDate;
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int n = ScrollBar.LargeChange;
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int value = ScrollBar.Value - n;
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if (value < 0)
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{
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startDate = GetDecreaseStartDate(n);
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}
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else
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{
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startDate =
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_CalendarView.TimeLineViewStartDate.AddMinutes(
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_CalendarView.BaseInterval * -n);
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}
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if (_CalendarView.DoPageNavigatorClick(_CalendarView.TimeLineView,
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_PageNavigator, PageNavigatorButton.PreviousPage, ref startDate) == false)
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{
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_CalendarView.TimeLineViewStartDate = GetIntervalStartDate(startDate);
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}
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}
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#endregion
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#region NavigateToday
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/// <summary>
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/// Navigates to Today
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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void NavigateToday(object sender, EventArgs e)
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{
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DateTime startDate = DateTime.Today;
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if (_CalendarView.DoPageNavigatorClick(_CalendarView.TimeLineView,
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_PageNavigator, PageNavigatorButton.Today, ref startDate) == false)
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{
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if (startDate < _CalendarView.TimeLineViewScrollStartDate ||
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startDate > _CalendarView.TimeLineViewScrollEndDate)
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{
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_CalendarView.TimeLineViewScrollStartDate =
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GetIntervalStartDate(startDate);
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}
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}
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}
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#endregion
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#region NavigateNextPage
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/// <summary>
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/// Navigates to the Next page
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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void NavigateNextPage(object sender, EventArgs e)
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{
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DateTime startDate;
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int n = ScrollBar.LargeChange;
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int value = ScrollBar.Value + n;
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if (value > ScrollBar.Maximum - n)
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{
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startDate = GetIncreaseEndDate(n);
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}
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else
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{
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startDate =
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_CalendarView.TimeLineViewStartDate.AddMinutes(
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_CalendarView.BaseInterval * n);
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}
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if (_CalendarView.DoPageNavigatorClick(_CalendarView.TimeLineView,
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_PageNavigator, PageNavigatorButton.NextPage, ref startDate) == false)
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{
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_CalendarView.TimeLineViewStartDate = GetIntervalStartDate(startDate);
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}
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}
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#endregion
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#region IncreaseEndDate
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/// <summary>
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/// Increases timeline EndDate
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/// </summary>
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/// <param name="n">Amount to add</param>
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private void IncreaseEndDate(int n)
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{
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if (_CalendarView.TimeLineCanExtendRange == true)
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{
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_CalendarView.TimeLineViewEndDate = GetIncreaseEndDate(n);
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int value = ScrollBar.Value + n;
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if (value > ScrollBar.Maximum - ScrollBar.LargeChange)
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value = ScrollBar.Maximum - ScrollBar.LargeChange;
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if (ScrollBar.Value != value)
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ScrollBar.Value = value;
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else
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OnScrollPanelUpdate();
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}
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}
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#endregion
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#region GetIncreaseEndDate
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/// <summary>
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/// Increases timeline EndDate
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/// </summary>
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/// <param name="n">Amount to add</param>
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private DateTime GetIncreaseEndDate(int n)
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{
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if (_CalendarView.TimeLineCanExtendRange == true)
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{
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DateTime end = new DateTime(9900, 1, 1);
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try
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{
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DateTime date =
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_CalendarView.TimeLineViewEndDate.AddMinutes(
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_CalendarView.BaseInterval * n);
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if (date > end)
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date = end;
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return (date);
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}
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catch
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{
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return (end);
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}
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}
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return (_CalendarView.TimeLineViewEndDate);
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}
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#endregion
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#region DecreaseStartDate
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/// <summary>
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/// Decreases the timeline StartDate
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/// </summary>
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/// <param name="n">Amount to del</param>
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private void DecreaseStartDate(int n)
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{
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if (_CalendarView.TimeLineCanExtendRange == true)
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{
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DateTime startDate = GetDecreaseStartDate(n);
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_CalendarView.TimeLineViewStartDate = startDate;
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UpdatePanel();
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}
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}
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#endregion
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#region GetDecreaseStartDate
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/// <summary>
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/// Decreases the timeline StartDate
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/// </summary>
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/// <param name="n">Amount to del</param>
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private DateTime GetDecreaseStartDate(int n)
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{
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if (_CalendarView.TimeLineCanExtendRange == true)
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{
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try
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{
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return (_CalendarView.TimeLineViewStartDate.AddMinutes(
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-_CalendarView.BaseInterval * n));
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}
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catch
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{
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return (new DateTime(1, 1, 1));
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}
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}
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return (_CalendarView.TimeLineViewStartDate);
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}
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#endregion
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#region GetIntervalStartDate
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private DateTime GetIntervalStartDate(DateTime startDate)
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{
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TimeSpan ts = new TimeSpan(startDate.Hour, startDate.Minute, 0);
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int interval = _CalendarView.TimeLineInterval;
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int minutes = ((int)ts.TotalMinutes / interval) * interval;
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return (startDate.Date.AddMinutes(minutes));
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}
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#endregion
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#endregion
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#region Begin/EndUpdate
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/// <summary>
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/// Begins Update block
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/// </summary>
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public void BeginUpdate()
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{
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_UpdateCount++;
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}
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/// <summary>
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/// Ends update block
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/// </summary>
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public void EndUpdate()
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{
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if (_UpdateCount == 0)
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{
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throw new InvalidOperationException(
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"EndUpdate must be called After BeginUpdate");
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}
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_UpdateCount--;
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if (_UpdateCount == 0)
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OnScrollPanelUpdate();
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}
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#endregion
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#region SetUpPanel
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/// <summary>
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/// Performs panel setup
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/// </summary>
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||||
private void SetUpPanel()
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{
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Control c = (Control)_CalendarView.CalendarPanel.GetContainerControl(true);
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if (c != null)
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{
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SetupPageNavigator(c);
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SetupScrollBar(c);
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UpdatePanel();
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}
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||||
}
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||||
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||||
#endregion
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||||
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#region SetupPageNavigator
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/// <summary>
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/// Sets-up the PageNavigator
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||||
/// </summary>
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||||
/// <param name="c"></param>
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||||
private void SetupPageNavigator(Control c)
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{
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||||
_PageNavigator = new PageNavigator();
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||||
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_PageNavigator.Visible = false;
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_PageNavigator.FocusCuesEnabled = false;
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HookNavigateEvents(true);
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c.Controls.Add(_PageNavigator);
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||||
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_PageNavigator.NextPageTooltip = _CalendarView.TimeLinePageNavigatorNextPageTooltip;
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_PageNavigator.PreviousPageTooltip = _CalendarView.TimeLinePageNavigatorPreviousPageTooltip;
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_PageNavigator.TodayTooltip = _CalendarView.TimeLinePageNavigatorTodayTooltip;
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||||
}
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||||
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||||
#endregion
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||||
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||||
#region SetupScrollBar
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||||
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||||
private void SetupScrollBar(Control c)
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||||
{
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||||
_ScrollBar = new HScrollBarAdv();
|
||||
|
||||
_ScrollBar.Visible = false;
|
||||
_ScrollBar.Height = SystemInformation.HorizontalScrollBarHeight;
|
||||
|
||||
HookScrollEvents(true);
|
||||
|
||||
c.Controls.Add(_ScrollBar);
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region UpdatePanel
|
||||
|
||||
/// <summary>
|
||||
/// Updates the panel
|
||||
/// </summary>
|
||||
public void UpdatePanel()
|
||||
{
|
||||
if (Bounds.Width > 0)
|
||||
{
|
||||
UpdatePageNavigator();
|
||||
UpdateScrollBar();
|
||||
|
||||
OnScrollPanelUpdate();
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region UpdatePageNavigator
|
||||
|
||||
/// <summary>
|
||||
/// Updates the PageNavigator
|
||||
/// </summary>
|
||||
private void UpdatePageNavigator()
|
||||
{
|
||||
if (_CalendarView.TimeLineShowPageNavigation == true)
|
||||
{
|
||||
// We are to show the PageNavigator, so allocate it
|
||||
// if we haven't done so already
|
||||
|
||||
if (_PageNavigator == null)
|
||||
{
|
||||
Control c = (Control)_CalendarView.CalendarPanel.GetContainerControl(true);
|
||||
|
||||
if (c != null)
|
||||
{
|
||||
SetupPageNavigator(c);
|
||||
|
||||
if (_PageNavigator != null)
|
||||
_PageNavigator.Visible = Visible;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// We are not to show a PageNavigator, so if we have already
|
||||
// allocated one, see that we release it appropriately
|
||||
|
||||
if (_PageNavigator != null)
|
||||
{
|
||||
Control c = (Control)_CalendarView.CalendarPanel.GetContainerControl(true);
|
||||
|
||||
if (c != null)
|
||||
{
|
||||
c.Controls.Remove(_PageNavigator);
|
||||
|
||||
HookNavigateEvents(false);
|
||||
|
||||
_PageNavigator = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region UpdateScrollBar
|
||||
|
||||
/// <summary>
|
||||
/// Updates our ScrollBar
|
||||
/// </summary>
|
||||
private void UpdateScrollBar()
|
||||
{
|
||||
_ScrollBar.Maximum = ScrollPanelMaximum;
|
||||
_ScrollBar.SmallChange = ScrollPanelSmallChange;
|
||||
_ScrollBar.LargeChange = ScrollPanelLargeChange;
|
||||
|
||||
if (_ScrollBar.Value > _ScrollBar.Maximum - _ScrollBar.LargeChange)
|
||||
_ScrollBar.Value = _ScrollBar.Maximum - _ScrollBar.LargeChange;
|
||||
|
||||
_ScrollBar.Refresh();
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region OnScrollPanelUpdate
|
||||
|
||||
/// <summary>
|
||||
/// Passes the scroll onto others
|
||||
/// </summary>
|
||||
protected void OnScrollPanelUpdate()
|
||||
{
|
||||
if (_UpdateCount == 0)
|
||||
{
|
||||
if (ScrollPanelChanged != null)
|
||||
ScrollPanelChanged(this, EventArgs.Empty);
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region RecalcSize
|
||||
|
||||
/// <summary>
|
||||
/// Performs control recalc
|
||||
/// </summary>
|
||||
public override void RecalcSize()
|
||||
{
|
||||
// Update our PageNavigator
|
||||
|
||||
UpdatePageNavigator();
|
||||
|
||||
int navWidth = 0;
|
||||
|
||||
if (_PageNavigator != null)
|
||||
{
|
||||
navWidth = _PageNavigator.Width;
|
||||
|
||||
_PageNavigator.Location =
|
||||
new Point(Bounds.Right - navWidth, Bounds.Y);
|
||||
}
|
||||
|
||||
// Update our ScrollBar
|
||||
|
||||
UpdateScrollBar();
|
||||
|
||||
if (_ScrollBar != null)
|
||||
{
|
||||
_ScrollBar.Location = Bounds.Location;
|
||||
_ScrollBar.Width = Bounds.Width - navWidth;
|
||||
}
|
||||
|
||||
base.RecalcSize();
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region Paint
|
||||
|
||||
public override void Paint(ItemPaintArgs p)
|
||||
{
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region Copy
|
||||
|
||||
/// <summary>
|
||||
/// Returns copy of the item
|
||||
/// </summary>
|
||||
public override BaseItem Copy()
|
||||
{
|
||||
TimeLineHScrollPanel objCopy = new TimeLineHScrollPanel(_CalendarView);
|
||||
|
||||
this.CopyToItem(objCopy);
|
||||
|
||||
return (objCopy);
|
||||
}
|
||||
/// <summary>
|
||||
/// Copies the TimeLineHScrollPanel specific properties to
|
||||
/// new instance of the item
|
||||
/// </summary>
|
||||
/// <param name="copy">New PageNavigatorItem instance</param>
|
||||
protected override void CopyToItem(BaseItem copy)
|
||||
{
|
||||
TimeLineHScrollPanel c = copy as TimeLineHScrollPanel;
|
||||
base.CopyToItem(c);
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region Dispose
|
||||
|
||||
protected override void Dispose(bool disposing)
|
||||
{
|
||||
if (disposing == true && IsDisposed == false)
|
||||
{
|
||||
HookScrollEvents(false);
|
||||
HookNavigateEvents(false);
|
||||
}
|
||||
|
||||
base.Dispose(disposing);
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
#endif
|
||||
Reference in New Issue
Block a user