private void UpdateStyleList()
{
string selectedName = style.symbolname;
if (listView.SelectedItems.Count > 0)
{
selectedName = listView.SelectedItems[0].Text;
}
// populate the style listview
listView.Items.Clear();
imageList.Images.Clear();
ListViewItem selected = null;
if (comboBoxCategory.Text != "")
{
// Create "no symbol" entry
styleObj nosymbolstyle = new styleObj(null);
MapUtils.SetDefaultColor(layer.type, nosymbolstyle);
ListViewItem nosymbolitem = AddListItem(nosymbolstyle, layer, "Default");
if (selectedName == null)
{
selected = nosymbolitem;
}
if (comboBoxCategory.Text == "Inline Symbols")
{
for (int i = 0; i < map.symbolset.numsymbols; i++)
{
symbolObj symbol = map.symbolset.getSymbol(i);
if (symbol.inmapfile == mapscript.MS_TRUE &&
!StyleLibrary.HasSymbol(symbol.name))
{
styleObj libstyle = new styleObj(null);
//if (symbol.type == (int)MS_SYMBOL_TYPE.MS_SYMBOL_PATTERNMAP)
// MapUtils.SetDefaultColor(MS_LAYER_TYPE.MS_LAYER_LINE, libstyle);
//else
MapUtils.SetDefaultColor(layer.type, libstyle);
libstyle.setSymbolByName(map, symbol.name);
libstyle.size = 8;
MS_LAYER_TYPE type = layer.type;
try
{
//STEPH: change layer passed to the list view to be consistent with the other symbol categories
//so that it uses a point layer to display the style in the list
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
ListViewItem item = AddListItem(libstyle, layer, symbol.name);
if (selectedName == item.Text)
{
selected = item;
}
}
finally
{
layer.type = type;
}
}
}
}
else
{
// collect all fonts specified in the fontset file
Hashtable fonts = new Hashtable();
string key = null;
while ((key = map.fontset.fonts.nextKey(key)) != null)
{
fonts.Add(key, key);
}
mapObj styles = StyleLibrary.Styles;
layerObj stylelayer = styles.getLayerByName(comboBoxCategory.Text);
for (int i = 0; i < stylelayer.numclasses; i++)
{
classObj classobj = stylelayer.getClass(i);
int symbolIndex = classobj.getStyle(0).symbol;
if (symbolIndex >= 0)
{
string font = styles.symbolset.getSymbol(symbolIndex).font;
if (font != null && !fonts.ContainsKey(font))
{
continue; // this font cannot be found in fontset
}
}
ListViewItem item = AddListItem(classobj.getStyle(0), stylelayer, classobj.name);
if (selectedName == item.Text)
{
selected = item;
}
}
}
}
if (selected != null)
{
selected.Selected = true;
selected.EnsureVisible();
}
}
/// <summary>
/// Create the theme according to the individual values of the layer contents
/// </summary>
private MapObjectHolder CreateLayerTheme()
{
if (layer == null)
{
return(null);
}
mapObj map = target.GetParent();
// create a new map object
mapObj newMap = new mapObj(null);
newMap.units = MS_UNITS.MS_PIXELS;
map.selectOutputFormat(map.imagetype);
// copy symbolset
for (int s = 1; s < map.symbolset.numsymbols; s++)
{
symbolObj origsym = map.symbolset.getSymbol(s);
newMap.symbolset.appendSymbol(MapUtils.CloneSymbol(origsym));
}
// copy the fontset
string key = null;
while ((key = map.fontset.fonts.nextKey(key)) != null)
{
newMap.fontset.fonts.set(key, map.fontset.fonts.get(key, ""));
}
newLayer = new layerObj(newMap);
newLayer.type = layer.type;
newLayer.status = mapscript.MS_ON;
newLayer.connectiontype = MS_CONNECTION_TYPE.MS_INLINE;
// add the classObj and styles
classObj classobj;
if (checkBoxKeepStyles.Checked)
{
classobj = layer.getClass(0).clone();
classobj.setExpression(""); // remove expression to have the class shown
// bindings are not supported with sample maps
for (int s = 0; s < classobj.numstyles; s++)
{
StyleBindingController.RemoveAllBindings(classobj.getStyle(s));
}
for (int l = 0; l < classobj.numlabels; l++)
{
LabelBindingController.RemoveAllBindings(classobj.getLabel(l));
}
newLayer.insertClass(classobj, -1);
}
else
{
classobj = new classObj(newLayer);
classobj.name = MapUtils.GetClassName(newLayer);
styleObj style = new styleObj(classobj);
style.size = 8; // set default size (#4339)
if (layer.type == MS_LAYER_TYPE.MS_LAYER_POINT)
{
// initialize with the default marker if specified in the symbol file for point symbols
symbolObj symbol;
for (int s = 0; s < map.symbolset.numsymbols; s++)
{
symbol = map.symbolset.getSymbol(s);
if (symbol.name == "default-marker")
{
style.symbol = s;
style.symbolname = "default-marker";
break;
}
}
}
MapUtils.SetDefaultColor(layer.type, style);
}
SortedDictionary <string, string> items = new SortedDictionary <string, string>();
int i = 0;
shapeObj shape;
layer.open();
layer.whichShapes(layer.getExtent());
if (checkBoxClassItem.Checked)
{
layer.classitem = comboBoxColumns.SelectedItem.ToString();
}
while ((shape = layer.nextShape()) != null)
{
string value = shape.getValue(comboBoxColumns.SelectedIndex);
if (checkBoxZero.Checked && (value == "" || value == ""))
{
continue;
}
if (!items.ContainsValue(value))
{
if (i == 100)
{
if (MessageBox.Show("The number of the individual values is greater than 100 would you like to continue?", "MapManager",
MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation) == DialogResult.Cancel)
{
break;
}
}
items.Add(value, value);
++i;
}
}
if (layer.getResults() == null)
{
layer.close(); // close only is no query results
}
i = 0;
foreach (string value in items.Keys)
{
double percent = ((double)(i + 1)) / items.Count * 100;
// creating the corresponding class object
if (i > 0)
{
classobj = classobj.clone();
// bindings are not supported with sample maps
for (int s = 0; s < classobj.numstyles; s++)
{
StyleBindingController.RemoveAllBindings(classobj.getStyle(s));
}
for (int l = 0; l < classobj.numlabels; l++)
{
LabelBindingController.RemoveAllBindings(classobj.getLabel(l));
}
newLayer.insertClass(classobj, -1);
}
classobj.name = value;
if (checkBoxClassItem.Checked)
{
classobj.setExpression(value);
}
else
{
classobj.setExpression("('[" + comboBoxColumns.SelectedItem + "]' = '" + value + "')");
}
for (int j = 0; j < classobj.numstyles; j++)
{
styleObj style = classobj.getStyle(j);
style.color = colorRampPickerColor.GetMapColorAtValue(percent);
style.outlinecolor = colorRampPickerOutlineColor.GetMapColorAtValue(percent);
style.backgroundcolor = colorRampPickerBackgroundColor.GetMapColorAtValue(percent);
if (checkBoxFirstOnly.Checked)
{
break;
}
}
++i;
}
return(new MapObjectHolder(newLayer, new MapObjectHolder(newMap, null)));
}
/// <summary>
/// Create the theme according to the individual values of the layer contents
/// </summary>
private MapObjectHolder CreateLayerTheme()
{
if (layer == null)
{
return(null);
}
int index;
for (index = 0; index < fieldName.Length; index++)
{
if (fieldName[index] == comboBoxColumns.Text)
{
break;
}
}
if (index == fieldName.Length)
{
return(null);
}
NumberFormatInfo ni = new NumberFormatInfo();
ni.NumberDecimalSeparator = ".";
mapObj map = target.GetParent();
// create a new map object
mapObj newMap = new mapObj(null);
newMap.units = MS_UNITS.MS_PIXELS;
map.selectOutputFormat(map.imagetype);
// copy symbolset
for (int s = 1; s < map.symbolset.numsymbols; s++)
{
symbolObj origsym = map.symbolset.getSymbol(s);
newMap.symbolset.appendSymbol(MapUtils.CloneSymbol(origsym));
}
// copy the fontset
string key = null;
while ((key = map.fontset.fonts.nextKey(key)) != null)
{
newMap.fontset.fonts.set(key, map.fontset.fonts.get(key, ""));
}
newLayer = new layerObj(newMap);
newLayer.type = layer.type;
newLayer.status = mapscript.MS_ON;
newLayer.connectiontype = MS_CONNECTION_TYPE.MS_INLINE;
// add the classObj and styles
classObj classobj;
if (checkBoxKeepStyles.Checked)
{
classobj = layer.getClass(0).clone();
classobj.setExpression(""); // remove expression to have the class shown
// bindings are not supported with sample maps
for (int s = 0; s < classobj.numstyles; s++)
{
StyleBindingController.RemoveAllBindings(classobj.getStyle(s));
}
for (int l = 0; l < classobj.numlabels; l++)
{
LabelBindingController.RemoveAllBindings(classobj.getLabel(l));
}
newLayer.insertClass(classobj, -1);
}
else
{
classobj = new classObj(newLayer);
classobj.name = MapUtils.GetClassName(newLayer);
styleObj style = new styleObj(classobj);
style.size = 8; // set default size (#4339)
if (layer.type == MS_LAYER_TYPE.MS_LAYER_POINT)
{
// initialize with the default marker if specified in the symbol file for point symbols
symbolObj symbol;
for (int s = 0; s < map.symbolset.numsymbols; s++)
{
symbol = map.symbolset.getSymbol(s);
if (symbol.name == "default-marker")
{
style.symbol = s;
style.symbolname = "default-marker";
break;
}
}
}
MapUtils.SetDefaultColor(layer.type, style);
}
// calculate breaks
int classes = (int)numericUpDownClasses.Value;
double[] breaks = null;
if (comboBoxMode.SelectedIndex == 0)
{
breaks = CalculateEqualInterval(classes, index);
}
if (breaks == null)
{
return(null);
}
for (int i = 0; i < classes; i++)
{
double percent = ((double)(i + 1)) / classes * 100;
// creating the corresponding class object
if (i > 0)
{
classobj = classobj.clone();
// bindings are not supported with sample maps
for (int s = 0; s < classobj.numstyles; s++)
{
StyleBindingController.RemoveAllBindings(classobj.getStyle(s));
}
for (int l = 0; l < classobj.numlabels; l++)
{
LabelBindingController.RemoveAllBindings(classobj.getLabel(l));
}
newLayer.insertClass(classobj, -1);
}
classobj.name = breaks[i].ToString(ni) + " - " + breaks[i + 1].ToString(ni);
classobj.setExpression("(([" + comboBoxColumns.SelectedItem + "] >= "
+ breaks[i].ToString(ni) + ") && ([" + comboBoxColumns.SelectedItem + "] <= "
+ breaks[i + 1].ToString(ni) + "))");
for (int j = 0; j < classobj.numstyles; j++)
{
styleObj style = classobj.getStyle(j);
style.color = colorRampPickerColor.GetMapColorAtValue(percent);
style.outlinecolor = colorRampPickerOutlineColor.GetMapColorAtValue(percent);
style.backgroundcolor = colorRampPickerBackgroundColor.GetMapColorAtValue(percent);
if (checkBoxFirstOnly.Checked)
{
break;
}
}
}
return(new MapObjectHolder(newLayer, new MapObjectHolder(newMap, null)));
}