/// ------------------------------------------------------------------------------------
public void Show(Control ctrl, HistogramBar bar)
{
if (!Enabled)
{
return;
}
Debug.Assert(ctrl != null);
Debug.Assert(bar != null);
if (!ShouldShowPopup(ctrl))
{
return;
}
_popupTimer.Start();
// The desired bottom of the popup is 60 pixels down from the top of the bar.
// If that's below the bar's bottom, then set the bottom of the popup to 5
// pixels above the bar's bottom edge.
int popupTop = (bar.Height > 65 ? 60 : bar.Height - 5) - Height;
// The desired left edge for the popup is on the right side of the bar,
// overlapping 25% of its right side. If that causes the popup to extend
// beyond the right edge of the screen, then move the popup so its shown
// on the left side of the bar, overlapping 25% of it's left side.
int popupLeft = bar.Width - (bar.Width / 4);
Point ptPopup = bar.PointToScreen(new Point(popupLeft, popupTop));
bool tooWide;
bool tooTall;
CheckDesiredPopupLocation(ptPopup, out tooWide, out tooTall);
if (tooWide)
{
ptPopup = bar.PointToScreen(new Point((bar.Width / 4) - Width, popupTop));
}
_showRelativeToScreen = true;
_ctrl = ctrl;
_popupLocation = ptPopup;
}
/// ------------------------------------------------------------------------------------
public bool LoadPhones(IEnumerable <string> phoneList)
{
pnlScroller.AutoScrollPosition = new Point(0, 0);
pnlBars.Left = 0;
// Dispose of the labels and clear the control arrays.
pnlPhones.Controls.Clear();
pnlBars.Controls.Clear();
int xLocationOffset = 0;
_maxTotalCount = 0;
_phoneHeight = 0;
var fnt = FontHelper.MakeRegularFontDerivative(App.PhoneticFont, _phoneFontSize);
foreach (var phone in phoneList)
{
// Create phone labels that appear under the bar.
var lblPhone = new Label();
lblPhone.Font = fnt;
lblPhone.Text = phone;
lblPhone.Location = new Point(xLocationOffset, 2);
lblPhone.AutoSize = false;
lblPhone.Paint += lbl_Paint;
lblPhone.MouseEnter += HandleMouseEnter;
lblPhone.MouseDoubleClick += HandleMouseDoubleClick;
pnlPhones.Controls.Add(lblPhone);
if (_phoneHeight == 0)
{
_phoneHeight = TextRenderer.MeasureText(phone, lblPhone.Font).Height +
_extraPhoneHeight;
}
lblPhone.Size = new Size(_phoneLabelWidth, _phoneHeight);
lblPhone.BringToFront();
// Set the phone's magnified tooltip.
// Uncomment if the magnified tooltip of a histogram's phone is desired.
//m_phoneToolTip.SetToolTip(lblPhone, lblPhone.Text);
// Create the bars.
var histBar = new HistogramBar(phone);
histBar.MouseEnter += HandleMouseEnter;
histBar.MouseDoubleClick += HandleMouseDoubleClick;
pnlBars.Controls.Add(histBar);
// Link the phone's label with its bar and vice versa.
lblPhone.Tag = histBar;
histBar.Tag = lblPhone;
// Determine the tallest bar
if (histBar.BarValue > _maxTotalCount)
{
_maxTotalCount = histBar.BarValue;
}
xLocationOffset += _phoneLabelWidth; // pixels between the characters
}
pnlPhones.Width = (pnlPhones.Controls.Count * _phoneLabelWidth);
// Account for the fact that each phone's Y location is 2.
_phoneHeight += 2;
// Make sure the labels have enough vertical space. This will increase
// room for the labels when the scroll bar appears underneath them and
// decrease room when the scroll bar disappears. In other words, this
// calculation will make sure there's only enough vertical space for
// the phone labels as is necessary so they won't get clipped.
if (_phoneHeight != pnlScroller.ClientSize.Height)
{
pnlScroller.Height += (_phoneHeight - pnlScroller.ClientSize.Height);
}
// Add 5 additional pixels of space between the right-most bar and border
pnlBars.Width = (pnlPhones.Controls.Count * _phoneLabelWidth) + 5;
// Force the bars to be resized.
pnlFixedBorder_Resize(null, null);
return(true);
}