/// <summary>
/// Cancels the changes made by user
/// </summary>
private void CancelChanges()
{
var map = _legend.Map;
if (map != null)
{
string state = map.SerializeLayer(_layerHandle);
if (state != _initState)
{
// label and chart data must not be serialized
tkSavingMode mode1 = _shapefile.Labels.SavingMode;
tkSavingMode mode2 = _shapefile.Charts.SavingMode;
_shapefile.Labels.SavingMode = tkSavingMode.modeNone;
_shapefile.Charts.SavingMode = tkSavingMode.modeNone;
bool res = map.DeserializeLayer(_layerHandle, _initState);
_shapefile.Labels.SavingMode = mode1;
_shapefile.Charts.SavingMode = mode2;
_legend.Map.Redraw();
_legend.Refresh();
}
}
LockLegendAndMap(false);
}
/// <summary>
/// Reverts the changes if cancel was hit
/// </summary>
private void frmLabelStyle_FormClosing(object sender, FormClosingEventArgs e)
{
if (this.DialogResult == DialogResult.Cancel)
{
if (m_categoryEdited)
{
m_category.Deserialize(m_initState);
}
else
{
tkSavingMode mode = m_shapefile.Labels.SavingMode;
m_shapefile.Labels.SavingMode = tkSavingMode.modeNone;
m_shapefile.Labels.Deserialize(m_initState);
m_shapefile.Labels.SavingMode = mode;
}
}
}
private string SaveState()
{
string state = "";
var map = _legend.Map;
if (map != null)
{
tkSavingMode mode1 = _shapefile.Labels.SavingMode;
tkSavingMode mode2 = _shapefile.Charts.SavingMode;
_shapefile.Labels.SavingMode = tkSavingMode.modeNone;
_shapefile.Charts.SavingMode = tkSavingMode.modeNone;
state = map.SerializeLayer(_layerHandle);
_shapefile.Labels.SavingMode = mode1;
_shapefile.Charts.SavingMode = mode2;
}
return(state);
}
/// <summary>
/// Saves the state in the m_InitState variable
/// </summary>
private string SaveState()
{
string state = "";
var map = _legend.Map;
if (map != null)
{
// serializing for undo (label and chart data must not be serialized)
tkSavingMode mode1 = _shapefile.Labels.SavingMode;
tkSavingMode mode2 = _shapefile.Charts.SavingMode;
_shapefile.Labels.SavingMode = tkSavingMode.modeNone;
_shapefile.Charts.SavingMode = tkSavingMode.modeNone;
state = map.SerializeLayer(_layerHandle);
_shapefile.Labels.SavingMode = mode1;
_shapefile.Charts.SavingMode = mode2;
}
return(state);
}
/// <summary>
/// Initializes controls of the form
/// </summary>
private void Initialize(LabelCategory lb)
{
m_category = lb;
m_NoEvents = true;
cboFontName.Items.Clear();
foreach (FontFamily family in FontFamily.Families)
{
cboFontName.Items.Add(family.Name);
}
cboDecimalPlaces.Items.Add("Auto");
for (int i = 1; i <= 6; i++)
{
cboDecimalPlaces.Items.Add(i.ToString());
}
cboDecimalPlaces.SelectedIndex = 0;
icbLineType.ComboStyle = ImageComboStyle.LineStyle;
icbLineWidth.ComboStyle = ImageComboStyle.LineWidth;
icbFrameType.Color1 = Color.Transparent;
icbFrameType.ComboStyle = ImageComboStyle.FrameType;
icbFrameType.SelectedIndex = 0;
if (!m_categoryEdited)
{
for (int i = 0; i < m_shapefile.NumFields; i++)
{
string name = m_shapefile.Field[i].Name;
if (name.ToLower() != "mwshapeid")
{
listBox1.Items.Add(name);
}
}
}
string[] scales = { "1", "10", "100", "1000", "5000", "10000", "25000", "50000", "100000",
"250000", "500000", "1000000", "10000000" };
cboMinScale.Items.Clear();
cboMaxScale.Items.Clear();
cboBasicScale.Items.Clear();
foreach (string t in scales)
{
cboMinScale.Items.Add(t);
cboMaxScale.Items.Add(t);
cboBasicScale.Items.Add(t);
}
// displaying options in the GUI
LabelStyle2Gui(m_category);
btnTest_Click(null, null);
txtLabelExpression.Text = m_shapefile.Labels.VisibilityExpression;
// serialization
if (m_categoryEdited)
{
m_initState = m_category.Serialize();
}
else
{
tkSavingMode mode = m_shapefile.Labels.SavingMode;
m_shapefile.Labels.SavingMode = tkSavingMode.modeNone;
m_initState = m_shapefile.Labels.Serialize();
m_shapefile.Labels.SavingMode = mode;
}
cboLabelsVerticalPosition.Items.Clear();
cboLabelsVerticalPosition.Items.Add("Above layer");
cboLabelsVerticalPosition.Items.Add("Above all layers");
var labels = m_shapefile.Labels;
cboLabelsVerticalPosition.SelectedIndex = (int)labels.VerticalPosition;
chkLabelsRemoveDuplicates.Checked = labels.RemoveDuplicates;
chkAviodCollisions.Checked = labels.AvoidCollisions;
chkScaleLabels.Checked = labels.ScaleLabels;
cboBasicScale.Text = labels.BasicScale.ToString();
udLabelOffsetX.SetValue(labels.OffsetX);
udLabelOffsetY.SetValue(labels.OffsetY);
udLabelsBuffer.SetValue(labels.CollisionBuffer);
// alignment
optAlignBottomCenter.Checked = (labels.Alignment == tkLabelAlignment.laBottomCenter);
optAlignBottomLeft.Checked = (labels.Alignment == tkLabelAlignment.laBottomLeft);
optAlignBottomRight.Checked = (labels.Alignment == tkLabelAlignment.laBottomRight);
optAlignCenter.Checked = (labels.Alignment == tkLabelAlignment.laCenter);
optAlignCenterLeft.Checked = (labels.Alignment == tkLabelAlignment.laCenterLeft);
optAlignCenterRight.Checked = (labels.Alignment == tkLabelAlignment.laCenterRight);
optAlignTopCenter.Checked = (labels.Alignment == tkLabelAlignment.laTopCenter);
optAlignTopLeft.Checked = (labels.Alignment == tkLabelAlignment.laTopLeft);
optAlignTopRight.Checked = (labels.Alignment == tkLabelAlignment.laTopRight);
ShpfileType shpType = Globals.ShapefileType2D(m_shapefile.ShapefileType);
optAlignCenter.Enabled = (shpType != ShpfileType.SHP_POINT && shpType != ShpfileType.SHP_MULTIPOINT);
btnApply.Enabled = (m_shapefile.Labels.Expression != "" && m_shapefile.Labels.Count == 0);
string[] list = new string[] {
"Default",
"SingleBitPerPixelGridFit",
"SingleBitPerPixel",
"AntiAliasGridFit",
"HintAntiAlias",
"ClearType"
};
cboTextRenderingHint.DataSource = list;
SetSelectedIndex(cboTextRenderingHint, (int)m_shapefile.Labels.TextRenderingHint);
cboTextRenderingHint.SelectedIndexChanged += Gui2LabelStyle;
m_NoEvents = false;
// initial drawing
this.DrawPreview(null, null);
}
