/// <summary>
/// Zooms the map element out by 10%
/// </summary>
public static void ZoomOutMap(LayoutMap lm)
{
double tenPerWidth = (lm.Envelope.Maximum.X - lm.Envelope.Minimum.X) / 20;
double tenPerHeight = (lm.Envelope.Maximum.Y - lm.Envelope.Minimum.Y) / 20;
Geometries.Envelope envl = new Geometries.Envelope();
envl.Minimum.X = lm.Envelope.Minimum.X - tenPerWidth;
envl.Minimum.Y = lm.Envelope.Minimum.Y - tenPerHeight;
envl.Maximum.X = lm.Envelope.Maximum.X + tenPerWidth;
envl.Maximum.Y = lm.Envelope.Maximum.Y + tenPerWidth;
lm.Envelope = envl;
}
/// <summary>
/// Loads the selected layoutfile
/// </summary>
/// <param name="filename">The layout file to load</param>
public void LoadLayout(string filename)
{
//Open the model xml document
XmlDocument layoutXmlDoc = new XmlDocument();
layoutXmlDoc.Load(filename);
XmlElement root = layoutXmlDoc.DocumentElement;
List<LayoutElement> loadList = new List<LayoutElement>();
if (root != null)
{
if (root.Name == "MapWindowLayout")
{
//This creates instances of all the elements
XmlNode child = root.LastChild;
while (child != null)
{
LayoutElement newLe = null;
switch (child.ChildNodes[0].Name)
{
case "Bitmap":
newLe = new LayoutBitmap();
break;
case "Legend":
newLe = CreateLegendElement();
break;
case "Map":
newLe = CreateMapElement();
break;
case "NorthArrow":
newLe = new LayoutNorthArrow();
break;
case "Rectangle":
newLe = new LayoutRectangle();
break;
case "ScaleBar":
newLe = CreateScaleBarElement();
break;
case "Text":
newLe = new LayoutText();
break;
}
if (newLe != null)
{
newLe.Name = child.Attributes["Name"].Value;
newLe.Invalidated += LeInvalidated;
newLe.Rectangle = new RectangleF(float.Parse(child.Attributes["RectangleX"].Value, System.Globalization.CultureInfo.InvariantCulture), float.Parse(child.Attributes["RectangleY"].Value, System.Globalization.CultureInfo.InvariantCulture), float.Parse(child.Attributes["RectangleWidth"].Value, System.Globalization.CultureInfo.InvariantCulture), float.Parse(child.Attributes["RectangleHeight"].Value, System.Globalization.CultureInfo.InvariantCulture));
newLe.ResizeStyle = (ResizeStyle)Enum.Parse(typeof(ResizeStyle), child.Attributes["ResizeStyle"].Value);
loadList.Insert(0,newLe);
}
child = child.PreviousSibling;
}
//Since some of the elements may be dependant on elements already being added we add their other properties after we add them all
child = root.LastChild;
for (int i = loadList.Count - 1; i >= 0; i--)
{
if (child != null)
{
XmlNode innerChild = child.ChildNodes[0];
if (loadList[i] is LayoutBitmap)
{
LayoutBitmap lb = loadList[i] as LayoutBitmap;
if (lb != null)
{
lb.Filename = innerChild.Attributes["Filename"].Value;
lb.PreserveAspectRatio = Convert.ToBoolean(innerChild.Attributes["PreserveAspectRatio"].Value);
lb.Draft = Convert.ToBoolean(innerChild.Attributes["Draft"].Value);
}
}
else if (loadList[i] is LayoutLegend)
{
LayoutLegend ll = loadList[i] as LayoutLegend;
if (ll != null)
{
ll.LayoutControl = this;
ll.TextHint = (System.Drawing.Text.TextRenderingHint)Enum.Parse(typeof(System.Drawing.Text.TextRenderingHint), innerChild.Attributes["TextHint"].Value);
ll.Color = (Color)TypeDescriptor.GetConverter(typeof(Color)).ConvertFromInvariantString(innerChild.Attributes["Color"].Value);
ll.Font = (Font)TypeDescriptor.GetConverter(typeof(Font)).ConvertFromString(innerChild.Attributes["Font"].Value);
}
int mapIndex = Convert.ToInt32(innerChild.Attributes["Map"].Value);
if (mapIndex >= 0)
if (ll != null) ll.Map = loadList[mapIndex] as LayoutMap;
string layStr = innerChild.Attributes["Layers"].Value;
List<int> layers = new List<int>();
while (layStr.EndsWith("|"))
{
layStr = layStr.TrimEnd("|".ToCharArray());
layers.Add((int)TypeDescriptor.GetConverter(typeof(int)).ConvertFromString(layStr.Substring(layStr.LastIndexOf("|") + 1)));
layStr = layStr.Substring(0, layStr.LastIndexOf("|") + 1);
}
if (ll != null)
{
ll.NumColumns = (int)TypeDescriptor.GetConverter(typeof(int)).ConvertFromString(innerChild.Attributes["NumColumns"].Value);
ll.Layers = layers;
}
}
else if (loadList[i] is LayoutMap)
{
LayoutMap lm = loadList[i] as LayoutMap;
Geometries.Envelope env = new Geometries.Envelope();
env.Minimum.X = (double)TypeDescriptor.GetConverter(typeof(double)).ConvertFromInvariantString(innerChild.Attributes["EnvelopeXmin"].Value);
env.Minimum.Y = (double)TypeDescriptor.GetConverter(typeof(double)).ConvertFromInvariantString(innerChild.Attributes["EnvelopeYmin"].Value);
env.Maximum.X = (double)TypeDescriptor.GetConverter(typeof(double)).ConvertFromInvariantString(innerChild.Attributes["EnvelopeXmax"].Value);
env.Maximum.Y = (double)TypeDescriptor.GetConverter(typeof(double)).ConvertFromInvariantString(innerChild.Attributes["EnvelopeYmax"].Value);
if (lm != null) lm.Envelope = env;
}
else if (loadList[i] is LayoutNorthArrow)
{
LayoutNorthArrow na = loadList[i] as LayoutNorthArrow;
if (na != null)
{
na.Color = (Color)TypeDescriptor.GetConverter(typeof(Color)).ConvertFromInvariantString(innerChild.Attributes["Color"].Value);
na.NorthArrowStyle = (NorthArrowStyle)Enum.Parse(typeof(NorthArrowStyle), innerChild.Attributes["Style"].Value);
if (innerChild.Attributes["Rotation"] != null)
{
na.Rotation = (float)TypeDescriptor.GetConverter(typeof(float)).ConvertFromInvariantString(innerChild.Attributes["Rotation"].Value);
}
}
}
else if (loadList[i] is LayoutRectangle)
{
LayoutRectangle lr = loadList[i] as LayoutRectangle;
if (lr != null)
{
lr.Color = (Color)TypeDescriptor.GetConverter(typeof(Color)).ConvertFromString(innerChild.Attributes["Color"].Value);
lr.BackColor = (Color)TypeDescriptor.GetConverter(typeof(Color)).ConvertFromString(innerChild.Attributes["BackColor"].Value);
lr.OutlineWidth = Convert.ToInt32(innerChild.Attributes["OutlineWidth"].Value);
}
}
else if (loadList[i] is LayoutScaleBar)
{
LayoutScaleBar lsc = loadList[i] as LayoutScaleBar;
if (lsc != null)
{
lsc.LayoutControl = this;
lsc.TextHint = (System.Drawing.Text.TextRenderingHint)Enum.Parse(typeof(System.Drawing.Text.TextRenderingHint), innerChild.Attributes["TextHint"].Value);
lsc.Color = (Color)TypeDescriptor.GetConverter(typeof(Color)).ConvertFromString(innerChild.Attributes["Color"].Value);
lsc.Font = (Font)TypeDescriptor.GetConverter(typeof(Font)).ConvertFromString(innerChild.Attributes["Font"].Value);
lsc.BreakBeforeZero = Convert.ToBoolean(innerChild.Attributes["BreakBeforeZero"].Value);
lsc.NumberOfBreaks = Convert.ToInt32(innerChild.Attributes["NumberOfBreaks"].Value);
lsc.Unit = (ScaleBarUnits)Enum.Parse(typeof(ScaleBarUnits), innerChild.Attributes["Unit"].Value);
lsc.UnitText = innerChild.Attributes["UnitText"].Value;
}
int mapIndex = Convert.ToInt32(innerChild.Attributes["Map"].Value);
if (mapIndex >= 0)
if (lsc != null) lsc.Map = loadList[mapIndex] as LayoutMap;
}
else if (loadList[i] is LayoutText)
{
LayoutText lt = loadList[i] as LayoutText;
if (lt != null)
{
lt.TextHint = (System.Drawing.Text.TextRenderingHint)Enum.Parse(typeof(System.Drawing.Text.TextRenderingHint), innerChild.Attributes["TextHint"].Value);
lt.Color = (Color)TypeDescriptor.GetConverter(typeof(Color)).ConvertFromString(innerChild.Attributes["Color"].Value);
lt.Font = (Font)TypeDescriptor.GetConverter(typeof(Font)).ConvertFromString(innerChild.Attributes["Font"].Value);
lt.ContentAlignment = (ContentAlignment)TypeDescriptor.GetConverter(typeof(ContentAlignment)).ConvertFromString(innerChild.Attributes["ContentAlignment"].Value);
lt.Text = innerChild.Attributes["Text"].Value;
}
}
}
if (child != null) child = child.PreviousSibling;
}
_layoutElements.Clear();
_selectedLayoutElements.Clear();
_layoutElements.InsertRange(0, loadList);
Filename = filename;
Invalidate();
OnElementsChanged(null);
}
}
}