private BoundingBox updatedExtent(BoundingBox currentExtent, BoundingBox footprintExtent)
{
double xmax = currentExtent.Maxx;
double xmin = currentExtent.Minx;
double ymin = currentExtent.Miny;
double ymax = currentExtent.Maxy;
double bxmax = footprintExtent.Maxx;
double bxmin = footprintExtent.Minx;
double bymin = footprintExtent.Miny;
double bymax = footprintExtent.Maxy;
double rxmax = 0.0, rxmin = 0.0, rymax = 0.0, rymin = 0.0;
if (xmax > bxmax) {
rxmax = xmax;
}
else {
rxmax = bxmax;
}
if (xmin < bxmin) {
rxmin = xmin;
}
else {
rxmin = bxmin;
}
if (ymax > bymax) {
rymax = ymax;
}
else {
rymax = bymax;
}
if (ymin < bymin) {
rymin = ymin;
}
else {
rymin = bymin;
}
BoundingBox newExtent = new BoundingBox();
newExtent.Maxx = rxmax;
newExtent.Maxy = rymax;
newExtent.Minx = rxmin;
newExtent.Miny = rymin;
return newExtent;
}
/// <summary>
/// Event handler for "Show All Footprint" button click event
/// </summary>
/// <param name="sender">event sender</param>
/// <param name="e">event args</param>
private void showAllFootprint_Click(object sender, EventArgs e)
{
try
{
Cursor.Current = Cursors.WaitCursor;
IMxDocument mxDoc;
mxDoc = (IMxDocument)m_application.Document;
IGraphicsContainer graphicsContainer;
graphicsContainer = (IGraphicsContainer)mxDoc.FocusMap;
BoundingBox currentExtent = new BoundingBox();
currentExtent.Maxx = mxDoc.ActiveView.Extent.XMax;
currentExtent.Minx = mxDoc.ActiveView.Extent.XMin;
currentExtent.Maxy = mxDoc.ActiveView.Extent.YMax;
currentExtent.Miny = mxDoc.ActiveView.Extent.YMin;
BoundingBox newExtent = currentExtent;
if (showAll)
{
showAll = false;
System.Windows.Forms.ToolTip toolTipForshowAll = new System.Windows.Forms.ToolTip();
toolTipForshowAll.SetToolTip(showAllFootprintToolStripButton, StringResources.hideAllFootprintTooltip);
//showAllFootprintToolStripButton = StringResources.hideAllFootprintTooltip;
showAllFootprintToolStripButton.Image = StringResources.hideAll;
foreach (Object obj in resultsListBox.Items)
{
currentExtent = newExtent;
CswRecord record = (CswRecord)obj;
if (record.BoundingBox.Maxx != NONEXSISTANTNUMBER)
{
drawfootprint(record, true, false);
newExtent = updatedExtent(currentExtent, record.BoundingBox);
}
}
IPoint point = new ESRI.ArcGIS.Geometry.PointClass();
point.PutCoords(newExtent.Minx, newExtent.Maxy);
IPoint point1 = new ESRI.ArcGIS.Geometry.PointClass();
point1.PutCoords(newExtent.Maxx, newExtent.Maxy);
IPoint point2 = new ESRI.ArcGIS.Geometry.PointClass();
point2.PutCoords(newExtent.Maxx, newExtent.Miny);
IPoint point3 = new ESRI.ArcGIS.Geometry.PointClass();
point3.PutCoords(newExtent.Minx, newExtent.Miny);
IPointCollection pointCollection;
pointCollection = new ESRI.ArcGIS.Geometry.PolygonClass();
object x = Type.Missing;
object y = Type.Missing;
pointCollection.AddPoint(point, ref x, ref y);
pointCollection.AddPoint(point1, ref x, ref y);
pointCollection.AddPoint(point2, ref x, ref y);
pointCollection.AddPoint(point3, ref x, ref y);
PolygonElementClass element = new PolygonElementClass();
element.Geometry = (IGeometry)pointCollection;
graphicsContainer = (IGraphicsContainer)mxDoc.FocusMap;
mxDoc.ActiveView.Extent = element.Geometry.Envelope;
mxDoc.ActiveView.Refresh();
}
else
{
showAll = true;
System.Windows.Forms.ToolTip toolTipForshowAll = new System.Windows.Forms.ToolTip();
toolTipForshowAll.SetToolTip(showAllFootprintToolStripButton, StringResources.showAllFootPrintToolTip);
showAllFootprintToolStripButton.Image = StringResources.showAll;
deleteelements();
}
mxDoc.ActiveView.Refresh();
}
catch (Exception ex)
{
ShowErrorMessageBox(ex.Message);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Event handler for "Display Footprint" button click event
/// </summary>
/// <param name="sender">event sender</param>
/// <param name="e">event args</param>
private void displayFootprinttoolStripButton_Click(object sender, EventArgs e)
{
try
{
Cursor.Current = Cursors.WaitCursor;
CswRecord record = (CswRecord)(resultsListBox.SelectedItem);
drawfootprint(record, false, false);
//add the graphics element to the map
IMxDocument mxDoc;
mxDoc = (IMxDocument)m_application.Document;
IGraphicsContainer graphicsContainer;
graphicsContainer = (IGraphicsContainer)mxDoc.FocusMap;
BoundingBox currentExtent = new BoundingBox();
currentExtent.Maxx = mxDoc.ActiveView.Extent.XMax;
currentExtent.Minx = mxDoc.ActiveView.Extent.XMin;
currentExtent.Maxy = mxDoc.ActiveView.Extent.YMax;
currentExtent.Miny = mxDoc.ActiveView.Extent.YMin;
BoundingBox newExtent = updatedExtent(currentExtent, record.BoundingBox);
IPoint point = new ESRI.ArcGIS.Geometry.PointClass();
point.PutCoords(newExtent.Minx, newExtent.Maxy);
IPoint point1 = new ESRI.ArcGIS.Geometry.PointClass();
point1.PutCoords(newExtent.Maxx, newExtent.Maxy);
IPoint point2 = new ESRI.ArcGIS.Geometry.PointClass();
point2.PutCoords(newExtent.Maxx, newExtent.Miny);
IPoint point3 = new ESRI.ArcGIS.Geometry.PointClass();
point3.PutCoords(newExtent.Minx, newExtent.Miny);
IPointCollection pointCollection;
pointCollection = new ESRI.ArcGIS.Geometry.PolygonClass();
object x = Type.Missing;
object y = Type.Missing;
pointCollection.AddPoint(point, ref x, ref y);
pointCollection.AddPoint(point1, ref x, ref y);
pointCollection.AddPoint(point2, ref x, ref y);
pointCollection.AddPoint(point3, ref x, ref y);
PolygonElementClass element = new PolygonElementClass();
element.Geometry = (IGeometry)pointCollection;
graphicsContainer = (IGraphicsContainer)mxDoc.FocusMap;
mxDoc.ActiveView.Extent = element.Geometry.Envelope;
mxDoc.ActiveView.Refresh();
}
catch (Exception ex)
{
ShowErrorMessageBox(ex.Message);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="sid">record identifier</param>
/// <param name="stitle">record title</param>
/// <param name="sabstract">record abstract</param>
public CswRecord(string sid, string stitle, string sabstract)
{
ID = sid;
Abstract = sabstract;
Title = stitle;
boundingBox = new BoundingBox();
}
/// <summary>
/// Default constructor
/// </summary>
public CswRecord()
{
boundingBox = new BoundingBox();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="sid">record identifier</param>
public CswRecord(string sid)
{
ID = sid;
boundingBox = new BoundingBox();
}