private void ApplyExtent()
{
double deltaX = (map.extent.maxx - map.extent.minx) * zoomFactor / 2;
double deltaY = (map.extent.maxy - map.extent.miny) * zoomFactor / 2;
double centerX = double.Parse(textBoxX.Text);
double centerY = double.Parse(textBoxY.Text);
map.setExtent(centerX - deltaX, centerY - deltaY, centerX + deltaX, centerY + deltaY);
if (textBoxRotation.Text != "")
{
map.setRotation(double.Parse(textBoxRotation.Text));
}
if (target != null)
{
target.RaisePropertyChanged(this);
}
double zoom = (map.extent.maxx - map.extent.minx);
if (mapunits != map.units)
{
zoom = zoom * MapUtils.InchesPerUnit(map.units) / MapUtils.InchesPerUnit(mapunits);
}
if (target != null)
{
target.RaiseZoomChanged(this, Math.Round(zoom, unitPrecision), map.scaledenom);
}
zoomFactor = 1.0;
}
/// <summary>
/// Update the extent parameters according to the map.extent parameters.
/// </summary>
private void UpdateExtentValues()
{
if (comboBoxUnits.SelectedItem != null)
{
mapunits = (MS_UNITS)comboBoxUnits.SelectedItem;
}
else
{
mapunits = map.units;
}
unitPrecision = MapUtils.GetUnitPrecision(mapunits);
textBoxX.Text = Convert.ToString(Math.Round((map.extent.maxx + map.extent.minx) / 2, unitPrecision));
textBoxY.Text = Convert.ToString(Math.Round((map.extent.maxy + map.extent.miny) / 2, unitPrecision));
labelUnit2.Text = MapUtils.GetUnitName(mapunits);
textBoxScale.Text = Convert.ToString(Convert.ToInt64(map.scaledenom));
unitPrecision = MapUtils.GetUnitPrecision(mapunits);
labelUnit1.Text = MapUtils.GetUnitName(mapunits);
double zoom = (map.extent.maxx - map.extent.minx);
if (mapunits != map.units)
{
zoom = zoom * MapUtils.InchesPerUnit(map.units) / MapUtils.InchesPerUnit(mapunits);
}
textBoxZoomWidth.Text = Convert.ToString(Math.Round(zoom, unitPrecision));
}
/// <summary>
/// Triggers a Zoom Chnaged event
/// </summary>
private void RaiseZoomChanged()
{
MS_UNITS mapunits = map.units;
int unitPrecision = MapUtils.GetUnitPrecision(mapunits);
double zoom = (map.extent.maxx - map.extent.minx);
if (mapunits != map.units)
{
zoom = zoom * MapUtils.InchesPerUnit(map.units) / MapUtils.InchesPerUnit(mapunits);
}
target.RaiseZoomChanged(this, Math.Round(zoom, unitPrecision), map.scaledenom);
}
/// <summary>
/// Validating event handler of the textBoxZoomWidth control.
/// </summary>
/// <param name="sender">The source object of this event.</param>
/// <param name="e">The event parameters.</param>
private void textBoxZoomWidth_Validating(object sender, CancelEventArgs e)
{
double result;
if (!double.TryParse(((TextBoxBase)sender).Text, out result) || result <= 0)
{
MessageBox.Show("Invalid zoom width or wrong number", "MapManager", MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
return;
}
if (mapunits != map.units)
{
result = result * MapUtils.InchesPerUnit(mapunits) / MapUtils.InchesPerUnit(map.units);
}
zoomFactor = result / (map.extent.maxx - map.extent.minx);
textBoxScale.Text = Convert.ToString(Convert.ToInt32(map.scaledenom * zoomFactor));
}
/// <summary>
/// Refresh the controls according to the underlying object.
/// </summary>
public void RefreshView()
{
mapunits = map.units;
unitPrecision = MapUtils.GetUnitPrecision(mapunits);
textBoxX.Text = Convert.ToString(Math.Round((map.extent.maxx + map.extent.minx) / 2, unitPrecision));
textBoxY.Text = Convert.ToString(Math.Round((map.extent.maxy + map.extent.miny) / 2, unitPrecision));
labelUnit2.Text = MapUtils.GetUnitName(mapunits);
textBoxScale.Text = Convert.ToString(Convert.ToInt32(map.scaledenom));
labelUnit1.Text = MapUtils.GetUnitName(mapunits);
double zoom = (map.extent.maxx - map.extent.minx);
if (mapunits != map.units)
{
zoom = zoom * MapUtils.InchesPerUnit(map.units) / MapUtils.InchesPerUnit(mapunits);
}
textBoxZoomWidth.Text = Convert.ToString(Math.Round(zoom, unitPrecision));
}
/// <summary>
/// Validating event handler of the textBoxScale control.
/// </summary>
/// <param name="sender">The source object of this event.</param>
/// <param name="e">The event parameters.</param>
private void textBoxScale_Validating(object sender, CancelEventArgs e)
{
double result;
if (!double.TryParse(((TextBoxBase)sender).Text, out result) || result <= 0)
{
MessageBox.Show("Invalid scale or wrong number", "MapManager", MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
return;
}
zoomFactor = result / map.scaledenom;
double zoom = (map.extent.maxx - map.extent.minx);
if (mapunits != map.units)
{
zoom = zoom * MapUtils.InchesPerUnit(map.units) / MapUtils.InchesPerUnit(mapunits);
}
textBoxZoomWidth.Text = Convert.ToString(Math.Round((zoom) * zoomFactor, unitPrecision));
}
/// <summary>
/// Click event handler of the buttonApply control.
/// </summary>
/// <param name="sender">The source object of this event.</param>
/// <param name="e">The event parameters.</param>
private void buttonApply_Click(object sender, EventArgs e)
{
double deltaX = (map.extent.maxx - map.extent.minx) * zoomFactor / 2;
double deltaY = (map.extent.maxy - map.extent.miny) * zoomFactor / 2;
double centerX = double.Parse(textBoxX.Text);
double centerY = double.Parse(textBoxY.Text);
map.setExtent(centerX - deltaX, centerY - deltaY, centerX + deltaX, centerY + deltaY);
target.RaisePropertyChanged(this);
double zoom = (map.extent.maxx - map.extent.minx);
if (mapunits != map.units)
{
zoom = zoom * MapUtils.InchesPerUnit(map.units) / MapUtils.InchesPerUnit(mapunits);
}
target.RaiseZoomChanged(this, Math.Round(zoom, unitPrecision), map.scaledenom);
zoomFactor = 1.0;
}
