public TimeScaleController()
{
InitializeComponent();
m_Span = Spans.Find(SpanUnit.Year);
m_LeftPanel = x_Panel0;
m_CenterPanel = x_Panel1;
m_RightPanel = x_Panel2;
}
private void SetCurrentDate(JulianDay currentDate)
{
if (m_ViewportWidth == 0 || m_Span == null)
return;
m_CurrentDate = currentDate;
JulianDay panelDate = m_Span.GetStartOfSpan(m_CurrentDate);
int offsetDays = (int)m_CurrentDate - (int)panelDate;
double panelLeft = (m_ViewportWidth / 2) - (offsetDays * m_Span.PixelsPerDay(m_ViewportWidth));
double currentLeft = m_CenterPanel.GetLeft();
double delta = panelLeft - currentLeft;
if (delta != 0)
{
// Set the panel positions
m_LeftPanel.SetLeft(m_LeftPanel.GetLeft() + delta);
m_CenterPanel.SetLeft(m_CenterPanel.GetLeft() + delta);
m_RightPanel.SetLeft(m_RightPanel.GetLeft() + delta);
// Set the panel start dates, which will update the date labels and ticks
if (m_CenterPanel.Start != panelDate)
{
m_LeftPanel.Start = m_Span.OffsetDate(panelDate, -1);
m_CenterPanel.Start = panelDate;
m_RightPanel.Start = m_Span.OffsetDate(panelDate, +1);
}
}
#if NOTUSED //j
// If the center panel is still in view, get out
if (panelLeft + m_ViewportWidth >= 0 &&
panelLeft < m_ViewportWidth)
return;
int spansRight = 0;
while (panelLeft + m_ViewportWidth < 0)
{
panelLeft += m_ViewportWidth;
spansRight++;
}
int spansLeft = 0;
while (panelLeft >= m_ViewportWidth)
{
panelLeft -= m_ViewportWidth;
spansLeft++;
}
if (spansRight >= 3 || spansLeft >= 3)
{
// Set the panel positions
m_LeftPanel.SetLeft(panelLeft - m_ViewportWidth);
m_CenterPanel.SetLeft(panelLeft);
m_RightPanel.SetLeft(panelLeft + m_ViewportWidth);
// Set the panel start dates, which will update the date labels and ticks
int spans = (spansRight > 0 ? spansRight : -spansLeft);
JulianDay startDate = m_Span.OffsetDate(m_CenterPanel.Start, spans);
m_LeftPanel.Start = m_Span.OffsetDate(startDate, -1);
m_CenterPanel.Start = startDate;
m_RightPanel.Start = m_Span.OffsetDate(startDate, +1);
return;
}
// rotate panels to right
while (--spansRight >= 0)
{
// swap panels
TimeScale saved = m_LeftPanel;
m_LeftPanel = m_CenterPanel;
m_CenterPanel = m_RightPanel;
m_RightPanel = saved;
// reposition the new right panel to be right of the center panel
m_RightPanel.SetLeft(m_CenterPanel.GetLeft() + m_ViewportWidth);
// set the start date on rotated panel, which will update the date labels and ticks
m_RightPanel.Start = m_Span.OffsetDate(m_CenterPanel.Start, +1);
}
// rotate panels to left
while (--spansLeft >= 0)
{
// swap panels
TimeScale saved = m_RightPanel;
m_RightPanel = m_CenterPanel;
m_CenterPanel = m_LeftPanel;
m_LeftPanel = saved;
// reposition the new left panel to be left of the center panel
m_LeftPanel.SetLeft(m_CenterPanel.GetLeft() - m_ViewportWidth);
// set the start date on rotated panel, which will update the date labels and ticks
m_LeftPanel.Start = m_Span.OffsetDate(m_CenterPanel.Start, -1);
}
#endif
}
