//for example:use layer.clone()
public SymbolSelectorDialog(layerObj layer)
{
InitializeComponent();
if (layer != null)
{
m_pCurrentLayer = layer;
m_pCurrentClass = layer.getClass(0);
m_pEditingClass = m_pCurrentClass.clone();
m_LayerType = layer.type;
}
}
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();
}
}
private void UpdatePreview()
{
if (style != null && enablePreview)
{
styleObj pstyle = style.clone();
Update(pstyle);
// apply current settings (opacity) to colors
colorPickerColor.SetColor(pstyle.color);
colorPickerBackColor.SetColor(pstyle.backgroundcolor);
colorPickerOutlineColor.SetColor(pstyle.outlinecolor);
// select the proper map containing symbols
mapObj stylemap = map;
if (listView.SelectedItems.Count > 0 && listView.SelectedItems[0].Text != "Default")
{
if (comboBoxCategory.Text != "Inline Symbols")
{
stylemap = StyleLibrary.Styles;
}
styleObj classStyle = (styleObj)listView.SelectedItems[0].Tag;
pstyle.setSymbolByName(stylemap, classStyle.symbolname);
}
else
{
pstyle.symbol = 0;
pstyle.symbolname = null;
}
classObj styleclass = new classObj(null);
styleclass.insertStyle(pstyle, -1);
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image2 = def_class.createLegendIcon(
stylemap, layer, pictureBoxSample.Width, pictureBoxSample.Height))
{
MS_LAYER_TYPE type = layer.type;
try
{
// modify the layer type in certain cases for drawing correct images
if (comboBoxGeomTransform.Text.ToLower().Contains("labelpoly"))
{
layer.type = MS_LAYER_TYPE.MS_LAYER_POLYGON;
}
else if (comboBoxGeomTransform.Text.ToLower().Contains("labelpnt") || comboBoxGeomTransform.Text.ToLower().Contains("centroid"))
{
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
}
styleclass.drawLegendIcon(stylemap, layer,
pictureBoxSample.Width - 10, pictureBoxSample.Height - 10, image2, 4, 4);
}
finally
{
layer.type = type;
}
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
pictureBoxSample.Image = Image.FromStream(ms);
}
}
}
}
}
/// <summary>
/// Refresh the control according to the underlying object.
/// </summary>
public void RefreshView()
{
if (map != null)
{
symbolObj symbol;
string selectedSymbol = style.symbolname;
int selected = style.symbol;
MS_LAYER_TYPE layerType = layer.type;
ListViewItem selectedItem = null;
int itemIndex = 0;
for (int i = 0; i < map.symbolset.numsymbols; i++)
{
symbol = map.symbolset.getSymbol(i);
if (symbol.name == null)
{
symbol.name = "Symbol" + i;
}
if ((MS_SYMBOL_TYPE)symbol.type == MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE)
{
// looking up the referred font file and skip if not exists
string fontFile = map.fontset.fonts.get(symbol.font, null);
if (fontFile == null)
{
continue;
}
if (!File.Exists(fontFile))
{
continue;
}
}
else if ((MS_SYMBOL_TYPE)symbol.type == MS_SYMBOL_TYPE.MS_SYMBOL_PIXMAP)
{
// looking up the referred image file and skip if not exists
if (symbol.imagepath == null)
{
continue;
}
if (!File.Exists(map.mappath + symbol.imagepath))
{
continue;
}
}
// pre-filter mapinfo auto styles
if (symbol.name.StartsWith("mapinfo-brush") && layerType != MS_LAYER_TYPE.MS_LAYER_POLYGON)
{
continue;
}
if (symbol.name.StartsWith("mapinfo-pen") && layerType != MS_LAYER_TYPE.MS_LAYER_LINE)
{
continue;
}
if (i == 0)
{
style.symbol = 0;
style.symbolname = null;
if (selected == i && listView.Items.Count == itemIndex)
{
selectedItem = SetSymbolItem("(default)", itemIndex);
}
else
{
SetSymbolItem("(default)", itemIndex);
}
}
else
{
style.symbol = i;
style.symbolname = symbol.name;
if ((selected == i || string.Compare(selectedSymbol, symbol.name) == 0) &&
listView.Items.Count == itemIndex)
{
selectedItem = SetSymbolItem(symbol.name, itemIndex);
}
else
{
SetSymbolItem(symbol.name, itemIndex);
}
}
++itemIndex;
}
listView.LargeImageList = imageList;
listViewPreview.LargeImageList = imageList;
if (selectedItem != null)
{
selectedItem.Selected = true;
selectedItem.EnsureVisible();
}
this.listView.Refresh();
UpdatePreview();
}
SetDirty(false);
}
/// <summary>
/// Get default color color.
/// </summary>
/// <returns>The default color</returns>
public static void SetDefaultColor(MS_LAYER_TYPE type, styleObj style)
{
// set default color (#4337) to black for line color and white for brush color
if (type == MS_LAYER_TYPE.MS_LAYER_POLYGON)
{
style.color = new colorObj(255, 255, 255, 0);
style.outlinecolor = new colorObj(0, 0, 0, 0);
style.symbol = 0;
style.symbolname = null;
}
else
{
style.color = new colorObj(0, 0, 0, 0);
}
}
