public static void SetDefaultLabel(labelObj label, mapObj map)
{
label.size = 8;
label.force = mapscript.MS_FALSE;
label.partials = mapscript.MS_TRUE;
label.position = (int)MS_POSITIONS_ENUM.MS_CC;
// trying to set truetype fonts
if (map != null)
{
string key = null;
string lastkey = null;
while ((key = map.fontset.fonts.nextKey(key)) != null)
{
if (File.Exists(map.fontset.fonts.get(key, "")))
{
lastkey = key;
if (string.Compare(key, "arial", true) == 0)
{
// set the default font to Arial if exists
break;
}
}
}
if (lastkey != null)
{
label.font = lastkey;
label.size = 8;
}
}
}
public static void RemoveAllBindings(labelObj label)
{
for (int i = 0; i < mapscript.MS_LABEL_BINDING_LENGTH; i++)
{
label.removeBinding(i);
}
}
internal static HandleRef getCPtrAndSetReference(labelObj obj, object parent) {
if (obj != null)
{
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
/// <summary>
/// Initialize the default settings of a newly created labelObj
/// </summary>
/// <param name="layer">The parent layer object.</param>
public static void InitializeDefaultLabel(layerObj layer)
{
labelObj label;
if (layer.getClass(0).numlabels == 0)
{
label = new labelObj();
layer.getClass(0).addLabel(label);
}
label = layer.getClass(0).getLabel(0);
SetDefaultLabel(label, layer.map);
}
internal static HandleRef getCPtrAndDisown(labelObj obj, object parent) {
if (obj != null)
{
obj.swigCMemOwn = false;
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
/// <summary>
/// Update the preview according to the current Editor state.
/// In case of the preview a temporary object will only be updated.
/// </summary>
private void UpdatePreview()
{
labelObj style = mapControl.Target;
if (style != null)
{
Update(style);
if (style.getTextString() == null || style.getTextString() == "")
{
style.setText("Sample Text");
}
style.setExpression("");
mapControl.RefreshView();
}
}
public override void ApplyBinding()
{
if (target.GetParent().GetParent().GetType() != typeof(layerObj))
{
return;
}
labelObj label = target;
if (BindingState)
{
label.setBinding((int)labelBinding, itemList.SelectedItem.ToString());
}
else
{
label.removeBinding((int)labelBinding);
}
}
public static void RemoveAllBindings(labelObj label)
{
for (int i = 0; i < mapscript.MS_LABEL_BINDING_LENGTH; i++)
{
label.removeBinding(i);
}
}
/// <summary>
/// Update the label object according to the current Editor state.
/// </summary>
/// <param name="label">The object to be updated.</param>
private void Update(labelObj label)
{
label.anglemode = (MS_POSITIONS_ENUM)comboBoxAngleMode.SelectedItem;
label.autominfeaturesize = checkBoxAutoMinFeatureSize.Checked ? mapscript.MS_TRUE : mapscript.MS_FALSE;
label.partials = checkBoxPartials.Checked ? mapscript.MS_TRUE : mapscript.MS_FALSE;
label.force = checkBoxForce.Checked ? mapscript.MS_TRUE : mapscript.MS_FALSE;
label.setExpression(this.textBoxExpression.Text);
label.setText(this.textBoxText.Text);
colorPickerColor.ApplyTo(label.color);
colorPickerOutlineColor.ApplyTo(label.outlinecolor);
colorPickerShadowColor.ApplyTo(label.shadowcolor);
label.size = int.Parse(textBoxSize.Text);
label.minsize = int.Parse(textBoxMinSize.Text);
label.maxsize = int.Parse(textBoxMaxSize.Text);
label.mindistance = int.Parse(textBoxMinDistance.Text);
label.offsetx = int.Parse(textBoxOffsetX.Text);
label.offsety = int.Parse(textBoxOffsetY.Text);
if (textBoxWrap.Text == "")
{
label.wrap = '\0';
}
else
{
label.wrap = Convert.ToChar(textBoxWrap.Text);
}
label.shadowsizex = int.Parse(textBoxShadowSizeX.Text);
label.shadowsizey = int.Parse(textBoxShadowSizeY.Text);
if (textBoxEncoding.Text == "")
{
label.encoding = null;
}
else
{
label.encoding = textBoxEncoding.Text;
}
label.angle = double.Parse(textBoxAngle.Text);
label.position = (int)comboBoxPosition.SelectedItem;
label.align = (int)comboBoxAlign.SelectedItem;
if ((string)(comboBoxFont.SelectedItem) == "(none)")
{
label.font = null;
}
else
{
label.font = (string)(comboBoxFont.SelectedItem);
}
label.priority = int.Parse(textBoxPriority.Text);
if (textBoxMaxScale.Text == "")
{
label.maxscaledenom = -1;
}
else
{
label.maxscaledenom = double.Parse(textBoxMaxScale.Text);
}
if (textBoxMinScale.Text == "")
{
label.minscaledenom = -1;
}
else
{
label.minscaledenom = double.Parse(textBoxMinScale.Text);
}
label.maxlength = int.Parse(textBoxMaxLength.Text);
label.minfeaturesize = int.Parse(textBoxMinFeatureSize.Text);
label.buffer = int.Parse(textBoxBuffer.Text);
label.repeatdistance = int.Parse(textBoxRepeatDistance.Text);
if (isStyleChanged)
{
// reconstruct styles
while (label.numstyles > 0)
{
label.removeStyle(0);
}
// insert styles in reverse order
for (int i = listViewStyles.Items.Count - 1; i >= 0; --i)
{
ListViewItem item = listViewStyles.Items[i];
styleObj style = (styleObj)item.Tag;
label.insertStyle(style.clone(), -1);
}
}
}
internal static HandleRef getCPtr(labelObj obj) {
return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
}
/// <summary>
/// Creating a sample (preview) based on a classObj, styleObj or labelObj.
/// </summary>
/// <param name="original">The wrapper holding the original object.</param>
private void CreateSampleMap(MapObjectHolder original)
{
MapObjectHolder originalMap = null;
MapObjectHolder originalLayer = null;
MapObjectHolder originalClass = null;
// create a sample map to render a preview of the given object
if (original.GetType() == typeof(classObj))
{
// tracking down the whole object tree
originalLayer = original.GetParent();
if (originalLayer != null)
originalMap = originalLayer.GetParent();
// creating a new compatible map object
if (originalMap != null)
{
layerObj layer = InitializeDefaultLayer(originalMap, originalLayer);
layer.insertClass(((classObj)original).clone(), -1);
// bindings are not supported with sample maps
classObj classobj = layer.getClass(0);
for (int i = 0; i < classobj.numstyles; i++)
StyleBindingController.RemoveAllBindings(classobj.getStyle(i));
for (int i = 0; i < classobj.numlabels; i++)
LabelBindingController.RemoveAllBindings(classobj.getLabel(i));
classobj.setText("Sample text");
classobj.setExpression(""); // remove expression to have the class shown
this.target = new MapObjectHolder(classobj, original.GetParent());
}
}
else if (original.GetType() == typeof(styleObj))
{
// tracking down the whole object tree
if (original.GetParent().GetType() == typeof(labelObj))
originalClass = original.GetParent().GetParent();
else
originalClass = original.GetParent();
if (originalClass != null)
originalLayer = originalClass.GetParent();
if (originalLayer != null)
originalMap = originalLayer.GetParent();
// creating a new compatible map object
if (originalMap != null)
{
layerObj layer = InitializeDefaultLayer(originalMap, originalLayer);
classObj classobj = new classObj(layer);
classobj.name = MapUtils.GetClassName(layer);
styleObj style;
if (original.GetParent().GetType() == typeof(labelObj))
{
classobj.addLabel(new labelObj());
labelObj label = classobj.getLabel(classobj.numlabels - 1);
MapUtils.SetDefaultLabel(label, layer.map);
label.insertStyle(((styleObj)original).clone(), -1);
style = label.getStyle(0);
}
else
{
classobj.insertStyle(((styleObj)original).clone(), -1);
style = classobj.getStyle(0);
}
// bindings are not supported with sample maps
StyleBindingController.RemoveAllBindings(style);
classobj.setText("Sample text");
this.target = new MapObjectHolder(style, original.GetParent());
}
}
else if (original.GetType() == typeof(labelObj))
{
// tracking down the whole object tree
originalClass = original.GetParent();
if (originalClass != null)
{
if (originalClass.GetType() == typeof(classObj))
{
originalLayer = originalClass.GetParent();
if (originalLayer != null)
originalMap = originalLayer.GetParent();
}
else if (originalClass.GetType() == typeof(scalebarObj))
{
originalMap = originalClass.GetParent();
}
}
// creating a new compatible map object
if (originalMap != null)
{
layerObj layer = InitializeDefaultLayer(originalMap, originalLayer);
classObj classobj = new classObj(layer);
classobj.name = MapUtils.GetClassName(layer);
labelObj label = new labelObj();
if (originalClass.GetType() == typeof(classObj))
{
// copy settings
label.updateFromString(((labelObj)original).convertToString());
}
classobj.addLabel(label);
this.target = new MapObjectHolder(layer.getClass(0).getLabel(0), original.GetParent());
}
}
else
throw new Exception("Invalid target type: " + original.GetType());
}
public override void InitializeBinding(MapObjectHolder target)
{
this.target = target;
if (target.GetParent().GetParent().GetType() != typeof(layerObj))
{
this.Enabled = false;
return;
}
layerObj layer = target.GetParent().GetParent();
labelObj label = target;
if (itemList == null)
{
itemList = new ComboBox();
itemList.Width = targetControl.Width;
itemList.Height = targetControl.Height;
itemList.Location = targetControl.Location;
itemList.DropDownStyle = ComboBoxStyle.DropDownList;
itemList.SelectedIndexChanged += new EventHandler(itemList_SelectedIndexChanged);
targetControl.Parent.Controls.Add(itemList);
itemList.BringToFront();
Bitmap bmp = Resources.DataConnection;
bmp.MakeTransparent(Color.Magenta);
pbox = new PictureBox();
pbox.Image = bmp;
pbox.SizeMode = PictureBoxSizeMode.AutoSize;
pbox.Location = new System.Drawing.Point(targetControl.Location.X + targetControl.Width + 2,
targetControl.Location.Y + (targetControl.Height - pbox.Image.Height) / 2);
targetControl.Parent.Controls.Add(pbox);
pbox.BringToFront();
}
BindingState = false;
itemList.Items.Clear();
layer.open();
for (int i = 0; i < layer.numitems; i++)
{
itemList.Items.Add(layer.getItem(i));
}
if (layer.getResults() == null)
{
layer.close(); // close only is no query results
}
if (layer.connectiontype == MS_CONNECTION_TYPE.MS_OGR)
{
itemList.Items.Add("OGR:LabelFont");
itemList.Items.Add("OGR:LabelSize");
itemList.Items.Add("OGR:LabelText");
itemList.Items.Add("OGR:LabelAngle");
itemList.Items.Add("OGR:LabelFColor");
itemList.Items.Add("OGR:LabelBColor");
itemList.Items.Add("OGR:LabelPlacement");
itemList.Items.Add("OGR:LabelAnchor");
itemList.Items.Add("OGR:LabelDx");
itemList.Items.Add("OGR:LabelDy");
itemList.Items.Add("OGR:LabelPerp");
itemList.Items.Add("OGR:LabelBold");
itemList.Items.Add("OGR:LabelItalic");
itemList.Items.Add("OGR:LabelUnderline");
itemList.Items.Add("OGR:LabelPriority");
itemList.Items.Add("OGR:LabelStrikeout");
itemList.Items.Add("OGR:LabelStretch");
itemList.Items.Add("OGR:LabelAdjHor");
itemList.Items.Add("OGR:LabelAdjVert");
itemList.Items.Add("OGR:LabelHColor");
itemList.Items.Add("OGR:LabelOColor");
}
string binding = label.getBinding((int)labelBinding);
if (binding != null)
{
itemList.SelectedItem = binding;
BindingState = true;
}
else
{
if (itemList.Items.Count > 0)
{
itemList.SelectedIndex = 0;
}
}
}
public static void SetDefaultLabel(labelObj label, mapObj map)
{
label.type = MS_FONT_TYPE.MS_BITMAP;
label.size = (int)MS_BITMAP_FONT_SIZES.MS_MEDIUM;
label.force = mapscript.MS_FALSE;
label.partials = mapscript.MS_TRUE;
label.position = (int)MS_POSITIONS_ENUM.MS_CC;
// trying to set truetype fonts
if (map != null)
{
string key = null;
string lastkey = null;
while ((key = map.fontset.fonts.nextKey(key)) != null)
{
if (File.Exists(map.fontset.fonts.get(key, "")))
{
lastkey = key;
if (string.Compare(key, "arial", true) == 0)
{
// set the default font to Arial if exists
break;
}
}
}
if (lastkey != null)
{
label.font = lastkey;
label.type = MS_FONT_TYPE.MS_TRUETYPE;
label.size = 8;
}
}
}
/// <summary>
/// Initialize the default settings of a newly created labelObj
/// </summary>
/// <param name="layer">The parent layer object.</param>
public static void InitializeDefaultLabel(layerObj layer)
{
labelObj label;
if (layer.getClass(0).numlabels == 0)
{
label = new labelObj();
layer.getClass(0).addLabel(label);
}
label = layer.getClass(0).getLabel(0);
SetDefaultLabel(label, layer.map);
}
/// <summary>
/// Update the label object according to the current Editor state.
/// </summary>
/// <param name="label">The object to be updated.</param>
private void Update(labelObj label)
{
label.anglemode = (int)comboBoxAngleMode.SelectedItem;
label.autominfeaturesize = checkBoxAutoMinFeatureSize.Checked ? mapscript.MS_TRUE : mapscript.MS_FALSE;
label.partials = checkBoxPartials.Checked ? mapscript.MS_TRUE : mapscript.MS_FALSE;
label.force = checkBoxForce.Checked ? mapscript.MS_TRUE : mapscript.MS_FALSE;
label.setExpression(this.textBoxExpression.Text);
label.setText(this.textBoxText.Text);
colorPickerColor.ApplyTo(label.color);
colorPickerOutlineColor.ApplyTo(label.outlinecolor);
colorPickerShadowColor.ApplyTo(label.shadowcolor);
label.type = MS_FONT_TYPE.MS_TRUETYPE;
label.size = double.Parse(textBoxSize.Text);
label.minsize = double.Parse(textBoxMinSize.Text);
label.maxsize = double.Parse(textBoxMaxSize.Text);
label.mindistance = int.Parse(textBoxMinDistance.Text);
label.offsetx = int.Parse(textBoxOffsetX.Text);
label.offsety = int.Parse(textBoxOffsetY.Text);
if (textBoxWrap.Text == "")
label.wrap = '\0';
else
label.wrap = Convert.ToChar(textBoxWrap.Text);
label.shadowsizex = int.Parse(textBoxShadowSizeX.Text);
label.shadowsizey = int.Parse(textBoxShadowSizeY.Text);
if (textBoxEncoding.Text == "")
label.encoding = null;
else
label.encoding = textBoxEncoding.Text;
label.angle = double.Parse(textBoxAngle.Text);
label.position = (int)comboBoxPosition.SelectedItem;
label.align = (int)comboBoxAlign.SelectedItem;
if ((string)(comboBoxFont.SelectedItem) == "(none)")
label.font = null;
else
label.font = (string)(comboBoxFont.SelectedItem);
label.priority = int.Parse(textBoxPriority.Text);
if (textBoxMaxScale.Text == "")
label.maxscaledenom = -1;
else
label.maxscaledenom = double.Parse(textBoxMaxScale.Text);
if (textBoxMinScale.Text == "")
label.minscaledenom = -1;
else
label.minscaledenom = double.Parse(textBoxMinScale.Text);
label.maxlength = int.Parse(textBoxMaxLength.Text);
label.minfeaturesize = int.Parse(textBoxMinFeatureSize.Text);
label.buffer = int.Parse(textBoxBuffer.Text);
label.repeatdistance = int.Parse(textBoxRepeatDistance.Text);
if (isStyleChanged)
{
// reconstruct styles
while (label.numstyles > 0)
label.removeStyle(0);
// insert styles in reverse order
for (int i = listViewStyles.Items.Count - 1; i >= 0; --i)
{
ListViewItem item = listViewStyles.Items[i];
styleObj style = (styleObj)item.Tag;
label.insertStyle(style.clone(), -1);
}
}
}
public LabelEditorDialog(classObj inClass)
{
InitializeComponent();
m_pLabel = inClass.label;
m_pClass = inClass;
}
/// <summary>
/// show the labelobj's value
/// </summary>
/// <param name="label"></param>
/// <returns></returns>
private bool InitializeLabel(labelObj label)
{
if (label == null) return false;
try
{
//read the angle info of the label
if (label.autoangle != 0)
comboBoxAngle.Text = "auto";
else if (label.autofollow != 0)
comboBoxAngle.Text = "follow";
else
comboBoxAngle.Text = label.angle.ToString();
//color info
ButtonColor.ButtonColor =
Color.FromArgb(label.color.red, label.color.green, label.color.blue);
//size info
if (label.size == -1)
checkBoxShowLabel.Checked = false;
else
checkBoxShowLabel.Checked = true;
numericUpDownSize.Value = (decimal)label.size;
//max and min size
numericUpDownMaxSize.Value = (decimal)label.maxsize;
numericUpDownMinSize.Value = (decimal)label.minsize;
//position
string strPosition = ((MS_POSITIONS_ENUM)label.position).ToString();
if (strPosition.Length > 0)
{
string[] strValues = strPosition.Split('_');
if (strValues.Length == 2)
comboBoxPosition.SelectedIndex = comboBoxPosition.FindString(strValues[1]);
}
//mindistance
numericUpDownMinDist.Value = (decimal)label.mindistance;
//antialias
comboBoxAntiAlias.SelectedIndex = label.antialias;
//partials
comboBoxPartials.SelectedIndex = label.partials;
//encoding
textBoxEncoding.Text = label.encoding;
//font
if (label.font != null)
{
comboBoxFont.SelectedIndex = comboBoxFont.FindString(label.font);
}
//font type
if (label.type == MS_FONT_TYPE.MS_BITMAP)
comboBoxType.SelectedIndex = 0;
else if (label.type == MS_FONT_TYPE.MS_TRUETYPE)
comboBoxType.SelectedIndex = 1;
//align
string sAlign = ((MS_ALIGN_VALUE)label.align).ToString();
string[] sAligns = sAlign.Split('_');
if (sAligns.Length == 3)
{
comboBoxAlign.SelectedIndex = comboBoxAlign.FindString(sAligns[2]);
}
//wrap
textBoxWarp.Text = label.wrap.ToString();
//maxlength
numericUpDownMaxLength.Value = (decimal)label.maxlength;
//force
comboBoxForce.SelectedIndex = label.force;
//priority
comboBoxPriority.SelectedIndex = label.priority - 1;
//minfeaturesize
if (label.autominfeaturesize != 0)
{
comboBoxMinFeatureSize.SelectedIndex = 0;
}
else
comboBoxMinFeatureSize.Text = label.minfeaturesize.ToString();
//buffer
numericUpDownBuffer.Value = (decimal)label.buffer;
//shadow color
if ((label.shadowcolor.red == -1) || (label.shadowcolor.green == -1) ||
(label.shadowcolor.blue == -1))
{
ButtonShadowColor.ButtonColor = Color.Transparent;
}
else
{
ButtonShadowColor.ButtonColor =
Color.FromArgb(label.shadowcolor.red, label.shadowcolor.green, label.shadowcolor.blue);
}
//shadow size
numericUpDownShadowSizeX.Value = (decimal)label.shadowsizex;
numericUpDownShadowSizeY.Value = (decimal)label.shadowsizey;
//outline color
if ((label.outlinecolor.red == -1) || (label.outlinecolor.green == -1) ||
(label.outlinecolor.blue == -1))
{
ButtonOutLineColor.ButtonColor = Color.Transparent;
}
else
{
ButtonOutLineColor.ButtonColor =
Color.FromArgb(label.outlinecolor.red, label.outlinecolor.green, label.outlinecolor.blue);
}
//outline width
numericUpDownOutlineWidth.Value = (decimal)label.outlinewidth;
//backgorundcolor color
if ((label.backgroundcolor.red == -1) || (label.backgroundcolor.green == -1) ||
(label.backgroundcolor.blue == -1))
{
ButtonBGColor.ButtonColor = Color.Transparent;
}
else
{
ButtonBGColor.ButtonColor =
Color.FromArgb(label.backgroundcolor.red, label.backgroundcolor.green, label.backgroundcolor.blue);
}
//backgorundshadowcolor color
if ((label.backgroundshadowcolor.red == -1) || (label.backgroundshadowcolor.green == -1) ||
(label.backgroundshadowcolor.blue == -1))
{
ButtonBGSColor.ButtonColor = Color.Transparent;
}
else
{
ButtonBGSColor.ButtonColor =
Color.FromArgb(label.backgroundshadowcolor.red, label.backgroundshadowcolor.green, label.backgroundshadowcolor.blue);
}
//backgroundshadowsize
numericUpDownBGSSizeX.Value = (decimal)label.backgroundshadowsizex;
numericUpDownBGSSizeY.Value = (decimal)label.backgroundshadowsizey;
}
catch(Exception ex)
{
Utility.PostWarning(ex.Message);
}
return true;
}
