/// <summary>
/// Copy Constructor
/// </summary>
/// <param name="a">construct a TradingDateTimeAxis based on this provided axis.</param>
public TradingDateTimeAxis(Axis a)
: base(a)
{
Init();
if (a is TradingDateTimeAxis)
DoClone((TradingDateTimeAxis)a, this);
else if (a is DateTimeAxis)
DoClone((DateTimeAxis)a, this);
else
{
DoClone(a, this);
this.NumberFormat = null;
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
/// <param name="ctr"></param>
public override bool DoMouseUp(MouseEventArgs e, Control ctr)
{
if (doing_)
{
doing_ = false;
axis_ = null;
physicalAxis_ = null;
lastPoint_ = new Point();
}
return false;
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
/// <param name="ctr"></param>
public override bool DoMouseDown(MouseEventArgs e, Control ctr)
{
// if the mouse is inside the plot area [the tick marks are here and part of the
// axis], then don't invoke drag.
xuzhenzhen.com.chart.PlotSurface2D ps = ((Windows.PlotSurface2D)ctr).Inner;
if (e.X > ps.PlotAreaBoundingBoxCache.Left && e.X < ps.PlotAreaBoundingBoxCache.Right &&
e.Y > ps.PlotAreaBoundingBoxCache.Top && e.Y < ps.PlotAreaBoundingBoxCache.Bottom)
{
return false;
}
if ((e.Button == MouseButtons.Left))
{
// see if hit with axis.
ArrayList objects = ps.HitTest(new Point(e.X, e.Y));
foreach (object o in objects)
{
if (o is xuzhenzhen.com.chart.Axis)
{
doing_ = true;
axis_ = (Axis)o;
PhysicalAxis[] physicalAxisList = new PhysicalAxis[] { ps.PhysicalXAxis1Cache, ps.PhysicalXAxis2Cache, ps.PhysicalYAxis1Cache, ps.PhysicalYAxis2Cache };
if (ps.PhysicalXAxis1Cache.Axis == axis_)
physicalAxis_ = ps.PhysicalXAxis1Cache;
else if (ps.PhysicalXAxis2Cache.Axis == axis_)
physicalAxis_ = ps.PhysicalXAxis2Cache;
else if (ps.PhysicalYAxis1Cache.Axis == axis_)
physicalAxis_ = ps.PhysicalYAxis1Cache;
else if (ps.PhysicalYAxis2Cache.Axis == axis_)
physicalAxis_ = ps.PhysicalYAxis2Cache;
lastPoint_ = startPoint_ = new Point(e.X, e.Y);
return false;
}
}
}
return false;
}
/// <summary>
/// Copy Constructor
/// </summary>
/// <param name="a">The Axis to clone.</param>
public LogAxis(Axis a)
: base(a)
{
Init();
}
/// <summary>
/// Construct
/// </summary>
/// <param name="a">The axis this is a physical representation of.</param>
/// <param name="physicalMin">the physical position of the world minimum axis value.</param>
/// <param name="physicalMax">the physical position of the world maximum axis value.</param>
public PhysicalAxis( Axis a, Point physicalMin, Point physicalMax )
{
this.Axis = a;
this.PhysicalMin = physicalMin;
this.PhysicalMax = physicalMax;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="a">Axis to construct from</param>
public DateTimeAxis( Axis a )
: base(a)
{
this.Init();
this.NumberFormat = null;
}
/// <summary>
/// Sets the world extent of the current axis to be just large enough
/// to encompas the current world extent of the axis, and the world
/// extent of the passed in axis
/// </summary>
/// <param name="a">The other Axis instance.</param>
public void LUB( Axis a )
{
if (a == null)
{
return;
}
// mins
if (!double.IsNaN(a.worldMin_))
{
if (double.IsNaN(worldMin_))
{
WorldMin = a.WorldMin;
}
else
{
if (a.WorldMin < WorldMin)
{
WorldMin = a.WorldMin;
}
}
}
// maxs.
if (!double.IsNaN(a.worldMax_))
{
if (double.IsNaN(worldMax_))
{
WorldMax = a.WorldMax;
}
else
{
if (a.WorldMax > WorldMax)
{
WorldMax = a.WorldMax;
}
}
}
}
/// <summary>
/// sets axes to be those saved in the cache.
/// </summary>
public void OriginalDimensions()
{
if ( xAxis1ZoomCache_ != null )
{
this.XAxis1 = xAxis1ZoomCache_;
this.XAxis2 = xAxis2ZoomCache_;
this.YAxis1 = yAxis1ZoomCache_;
this.YAxis2 = yAxis2ZoomCache_;
xAxis1ZoomCache_ = null;
xAxis2ZoomCache_ = null;
yAxis1ZoomCache_ = null;
yAxis2ZoomCache_ = null;
}
this.Refresh();
}
private void DetermineAxesToDraw( out Axis xAxis1, out Axis xAxis2, out Axis yAxis1, out Axis yAxis2 )
{
xAxis1 = this.xAxis1_;
xAxis2 = this.xAxis2_;
yAxis1 = this.yAxis1_;
yAxis2 = this.yAxis2_;
if (this.xAxis1_ == null)
{
if (this.xAxis2_ == null)
{
throw new NPlotException( "Error: No X-Axis specified" );
}
xAxis1 = (Axis)this.xAxis2_.Clone();
xAxis1.HideTickText = true;
xAxis1.TicksAngle = -(float)Math.PI / 2.0f;
}
if (this.xAxis2_ == null)
{
// don't need to check if xAxis1_ == null, as case already handled above.
xAxis2 = (Axis)this.xAxis1_.Clone();
xAxis2.HideTickText = true;
xAxis2.TicksAngle = (float)Math.PI / 2.0f;
}
if (this.yAxis1_ == null)
{
if (this.yAxis2_ == null)
{
throw new NPlotException( "Error: No Y-Axis specified" );
}
yAxis1 = (Axis)this.yAxis2_.Clone();
yAxis1.HideTickText = true;
yAxis1.TicksAngle = (float)Math.PI / 2.0f;
}
if (this.yAxis2_ == null)
{
// don't need to check if yAxis1_ == null, as case already handled above.
yAxis2 = (Axis)this.yAxis1_.Clone();
yAxis2.HideTickText = true;
yAxis2.TicksAngle = -(float)Math.PI / 2.0f;
}
}
private void UpdateAxes( bool recalculateAll )
{
if (drawables_.Count != xAxisPositions_.Count || drawables_.Count != yAxisPositions_.Count)
{
throw new NPlotException("plots and axis position arrays our of sync");
}
int position = 0;
// if we're not recalculating axes using all iplots then set
// position to last one in list.
if (!recalculateAll)
{
position = drawables_.Count - 1;
if (position < 0) position = 0;
}
if (recalculateAll)
{
this.xAxis1_ = null;
this.yAxis1_ = null;
this.xAxis2_ = null;
this.yAxis2_ = null;
}
for (int i = position; i < drawables_.Count; ++i)
{
// only update axes if this drawable is an IPlot.
if (!(drawables_[position] is IPlot))
continue;
IPlot p = (IPlot)drawables_[position];
XAxisPosition xap = (XAxisPosition)xAxisPositions_[position];
YAxisPosition yap = (YAxisPosition)yAxisPositions_[position];
if (xap == XAxisPosition.Bottom)
{
if (this.xAxis1_ == null)
{
this.xAxis1_ = p.SuggestXAxis();
if (this.xAxis1_ != null)
{
this.xAxis1_.TicksAngle = -(float)Math.PI / 2.0f;
}
}
else
{
this.xAxis1_.LUB(p.SuggestXAxis());
}
if (this.xAxis1_ != null)
{
this.xAxis1_.MinPhysicalLargeTickStep = 50;
if (this.AutoScaleAutoGeneratedAxes)
{
this.xAxis1_.AutoScaleText = true;
this.xAxis1_.AutoScaleTicks = true;
this.xAxis1_.TicksIndependentOfPhysicalExtent = true;
}
else
{
this.xAxis1_.AutoScaleText = false;
this.xAxis1_.AutoScaleTicks = false;
this.xAxis1_.TicksIndependentOfPhysicalExtent = false;
}
}
}
if (xap == XAxisPosition.Top)
{
if (this.xAxis2_ == null)
{
this.xAxis2_ = p.SuggestXAxis();
if (this.xAxis2_ != null)
{
this.xAxis2_.TicksAngle = (float)Math.PI / 2.0f;
}
}
else
{
this.xAxis2_.LUB(p.SuggestXAxis());
}
if (this.xAxis2_ != null)
{
this.xAxis2_.MinPhysicalLargeTickStep = 50;
if (this.AutoScaleAutoGeneratedAxes)
{
this.xAxis2_.AutoScaleText = true;
this.xAxis2_.AutoScaleTicks = true;
this.xAxis2_.TicksIndependentOfPhysicalExtent = true;
}
else
{
this.xAxis2_.AutoScaleText = false;
this.xAxis2_.AutoScaleTicks = false;
this.xAxis2_.TicksIndependentOfPhysicalExtent = false;
}
}
}
if (yap == YAxisPosition.Left)
{
if (this.yAxis1_ == null)
{
this.yAxis1_ = p.SuggestYAxis();
if (this.yAxis1_ != null)
{
this.yAxis1_.TicksAngle = (float)Math.PI / 2.0f;
}
}
else
{
this.yAxis1_.LUB(p.SuggestYAxis());
}
if (this.yAxis1_ != null)
{
if (this.AutoScaleAutoGeneratedAxes)
{
this.yAxis1_.AutoScaleText = true;
this.yAxis1_.AutoScaleTicks = true;
this.yAxis1_.TicksIndependentOfPhysicalExtent = true;
}
else
{
this.yAxis1_.AutoScaleText = false;
this.yAxis1_.AutoScaleTicks = false;
this.yAxis1_.TicksIndependentOfPhysicalExtent = false;
}
}
}
if (yap == YAxisPosition.Right)
{
if (this.yAxis2_ == null)
{
this.yAxis2_ = p.SuggestYAxis();
if (this.yAxis2_ != null)
{
this.yAxis2_.TicksAngle = -(float)Math.PI / 2.0f;
}
}
else
{
this.yAxis2_.LUB(p.SuggestYAxis());
}
if (this.yAxis2_ != null)
{
if (this.AutoScaleAutoGeneratedAxes)
{
this.yAxis2_.AutoScaleText = true;
this.yAxis2_.AutoScaleTicks = true;
this.yAxis2_.TicksIndependentOfPhysicalExtent = true;
}
else
{
this.yAxis2_.AutoScaleText = false;
this.yAxis2_.AutoScaleTicks = false;
this.yAxis2_.TicksIndependentOfPhysicalExtent = false;
}
}
}
}
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="a">The Axis to clone</param>
public LinearAxis( Axis a )
: base(a)
{
Init();
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="a">The Axis to clone.</param>
public Axis( Axis a )
{
Axis.DoClone( a, this );
}
/// <summary>
/// Deep copy of Axis.
/// </summary>
/// <remarks>
/// This method includes a check that guards against derived classes forgetting
/// to implement their own Clone method. If Clone is called on a object derived
/// from Axis, and the Clone method hasn't been overridden by that object, then
/// the test this.GetType == typeof(Axis) will fail.
/// </remarks>
/// <returns>A copy of the Axis Class</returns>
public virtual object Clone()
{
// ensure that this isn't being called on a derived type. If that is the case
// then the derived type didn't override this method as it should have.
if (this.GetType() != typeof(Axis))
{
throw new NPlotException( "Clone not defined in derived type." );
}
Axis a = new Axis();
DoClone( this, a );
return a;
}
/// <summary>
/// Helper method for Clone. Does all the copying - can be called by derived
/// types so they don't need to implement this part of the copying themselves.
/// also useful in constructor of derived types that takes Axis class.
/// </summary>
protected static void DoClone( Axis b, Axis a )
{
// value items
a.autoScaleText_ = b.autoScaleText_;
a.autoScaleTicks_ = b.autoScaleTicks_;
a.worldMax_ = b.worldMax_;
a.worldMin_ = b.worldMin_;
a.tickTextNextToAxis_ = b.tickTextNextToAxis_;
a.hidden_ = b.hidden_;
a.hideTickText_ = b.hideTickText_;
a.reversed_ = b.reversed_;
a.ticksAngle_ = b.ticksAngle_;
a.ticksLabelAngle_ = b.ticksLabelAngle_;
a.minPhysicalLargeTickStep_ = b.minPhysicalLargeTickStep_;
a.ticksIndependentOfPhysicalExtent_ = b.ticksIndependentOfPhysicalExtent_;
a.largeTickSize_ = b.largeTickSize_;
a.smallTickSize_ = b.smallTickSize_;
a.ticksCrossAxis_ = b.ticksCrossAxis_;
a.labelOffset_ = b.labelOffset_;
a.labelOffsetAbsolute_ = b.labelOffsetAbsolute_;
a.labelOffsetScaled_ = b.labelOffsetScaled_;
// reference items.
a.tickTextFont_ = (Font)b.tickTextFont_.Clone();
a.label_ = (string)b.label_.Clone();
if (b.numberFormat_ != null)
{
a.numberFormat_ = (string)b.numberFormat_.Clone();
}
else
{
a.numberFormat_ = null;
}
a.labelFont_ = (Font)b.labelFont_.Clone();
a.linePen_ = (Pen)b.linePen_.Clone();
a.tickTextBrush_ = (Brush)b.tickTextBrush_;
a.labelBrush_ = (Brush)b.labelBrush_;
a.FontScale = b.FontScale;
a.TickScale = b.TickScale;
}
/// <summary>
/// Remembers the current axes - useful in interactions.
/// </summary>
public void CacheAxes()
{
if (xAxis1ZoomCache_ == null && xAxis2ZoomCache_ == null &&
yAxis1ZoomCache_ == null && yAxis2ZoomCache_ == null)
{
if (this.XAxis1 != null)
{
xAxis1ZoomCache_ = (Axis)this.XAxis1.Clone();
}
if (this.XAxis2 != null)
{
xAxis2ZoomCache_ = (Axis)this.XAxis2.Clone();
}
if (this.YAxis1 != null)
{
yAxis1ZoomCache_ = (Axis)this.YAxis1.Clone();
}
if (this.YAxis2 != null)
{
yAxis2ZoomCache_ = (Axis)this.YAxis2.Clone();
}
}
}
private void DeterminePhysicalAxesToDraw( Rectangle bounds,
Axis xAxis1, Axis xAxis2, Axis yAxis1, Axis yAxis2,
out PhysicalAxis pXAxis1, out PhysicalAxis pXAxis2,
out PhysicalAxis pYAxis1, out PhysicalAxis pYAxis2)
{
System.Drawing.Rectangle cb = bounds;
pXAxis1 = new PhysicalAxis( xAxis1,
new Point( cb.Left, cb.Bottom ), new Point( cb.Right, cb.Bottom ) );
pYAxis1 = new PhysicalAxis( yAxis1,
new Point( cb.Left, cb.Bottom ), new Point( cb.Left, cb.Top ) );
pXAxis2 = new PhysicalAxis( xAxis2,
new Point( cb.Left, cb.Top), new Point( cb.Right, cb.Top) );
pYAxis2 = new PhysicalAxis( yAxis2,
new Point( cb.Right, cb.Bottom ), new Point( cb.Right, cb.Top ) );
int bottomIndent = padding_;
if (!pXAxis1.Axis.Hidden)
{
// evaluate its bounding box
Rectangle bb = pXAxis1.GetBoundingBox();
// finally determine its indentation from the bottom
bottomIndent = bottomIndent + bb.Bottom - cb.Bottom;
}
int leftIndent = padding_;
if (!pYAxis1.Axis.Hidden)
{
// evaluate its bounding box
Rectangle bb = pYAxis1.GetBoundingBox();
// finally determine its indentation from the left
leftIndent = leftIndent - bb.Left + cb.Left;
}
int topIndent = padding_;
float scale = this.DetermineScaleFactor( bounds.Width, bounds.Height );
int titleHeight;
Graphics g = Graphics.FromImage(new System.Drawing.Bitmap(20, 20));
SizeF size = g.MeasureString("Ðì", titleFont_);
if (this.AutoScaleTitle)
{
titleHeight = (int)size.Height;
}
else
{
titleHeight = (int)size.Height;
}
//count number of new lines in title.
int nlCount = 0;
for (int i=0; i<title_.Length; ++i)
{
if (title_[i] == '\n')
nlCount += 1;
}
titleHeight = (int)( ((float)nlCount*0.75 + 1.0f) * (float)titleHeight);
if (!pXAxis2.Axis.Hidden)
{
// evaluate its bounding box
Rectangle bb = pXAxis2.GetBoundingBox();
topIndent = topIndent - bb.Top + cb.Top;
// finally determine its indentation from the top
// correct top indendation to take into account plot title
if (title_ != "" )
{
topIndent += (int)(titleHeight * 1.3f);
}
}
int rightIndent = padding_;
if (!pYAxis2.Axis.Hidden)
{
// evaluate its bounding box
Rectangle bb = pYAxis2.GetBoundingBox();
// finally determine its indentation from the right
rightIndent = (int)(rightIndent + bb.Right-cb.Right);
}
// now we have all the default calculated positions and we can proceed to
// "move" the axes to their right places
// primary axes (bottom, left)
pXAxis1.PhysicalMin = new Point( cb.Left+leftIndent, cb.Bottom-bottomIndent );
pXAxis1.PhysicalMax = new Point( cb.Right-rightIndent, cb.Bottom-bottomIndent );
pYAxis1.PhysicalMin = new Point( cb.Left+leftIndent, cb.Bottom-bottomIndent );
pYAxis1.PhysicalMax = new Point( cb.Left+leftIndent, cb.Top+topIndent );
// secondary axes (top, right)
pXAxis2.PhysicalMin = new Point( cb.Left+leftIndent, cb.Top+topIndent );
pXAxis2.PhysicalMax = new Point( cb.Right-rightIndent, cb.Top+topIndent );
pYAxis2.PhysicalMin = new Point( cb.Right-rightIndent, cb.Bottom-bottomIndent );
pYAxis2.PhysicalMax = new Point( cb.Right-rightIndent, cb.Top+topIndent );
}
/// <summary>
/// Clears the plot and resets to default values.
/// </summary>
public void Clear()
{
xAxis1ZoomCache_ = null;
yAxis1ZoomCache_ = null;
xAxis2ZoomCache_ = null;
yAxis2ZoomCache_ = null;
ps_.Clear();
interactions_.Clear();
}
private void Init()
{
drawables_ = new ArrayList();
xAxisPositions_ = new ArrayList();
yAxisPositions_ = new ArrayList();
zPositions_ = new ArrayList();
ordering_ = new SortedList();
TitleFont = new Font(FontFamily.GenericSerif, 10, FontStyle.Regular);
padding_ = 10;
title_ = "";
autoScaleTitle_ = false;
autoScaleAutoGeneratedAxes_ = false;
xAxis1_ = null;
xAxis2_ = null;
yAxis1_ = null;
yAxis2_ = null;
pXAxis1Cache_ = null;
pYAxis1Cache_ = null;
pXAxis2Cache_ = null;
pYAxis2Cache_ = null;
titleBrush_ = new SolidBrush( Color.Black );
plotBackColor_ = Color.White;
this.legend_ = null;
axesConstraints_ = new ArrayList();
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="a">The Axis to clone.</param>
/// <remarks>TODO: [review notes] I don't think this will work as desired.</remarks>
public PiAxis( Axis a )
: base(a)
{
Init();
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="a">The Axis to clone.</param>
/// <remarks>TODO: [review notes] I don't think this will work as desired.</remarks>
public LabelAxis( Axis a )
: base(a)
{
Init();
}
