/// <summary>
/// Let the editor to update the modified values to the underlying object.
/// </summary>
public void UpdateValues()
{
if (classobj == null)
{
return;
}
if (dirtyFlag)
{
// general tab
classobj.name = this.textBoxName.Text;
classobj.title = this.textBoxTitle.Text;
classobj.setExpression(this.textBoxExpression.Text);
classobj.setText(this.textBoxText.Text);
// display tab
if (checkBoxVisible.CheckState == CheckState.Checked)
{
classobj.status = mapscript.MS_ON;
}
else
{
classobj.status = mapscript.MS_OFF;
}
if (checkBoxQueryable.CheckState == CheckState.Checked)
{
classobj.template = "query";
}
else
{
classobj.template = null;
}
classobj.maxscaledenom = -1;
classobj.minscaledenom = -1;
if (textBoxMaxZoom.Text == "")
{
classobj.maxscaledenom = -1;
}
else
{
classobj.maxscaledenom = double.Parse(textBoxMaxZoom.Text);
}
if (textBoxMinZoom.Text == "")
{
classobj.minscaledenom = -1;
}
else
{
classobj.minscaledenom = double.Parse(textBoxMinZoom.Text);
}
if (target != null)
{
target.RaisePropertyChanged(this);
}
SetDirty(false);
}
}
/// <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 static void Main(string[] args)
{
if (args.Length < 2) usage();
// creating a new map from scratch
mapObj map = new mapObj(null);
// adding a layer
layerObj layer = new layerObj(map);
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
layer.status = mapscript.MS_ON;
layer.connectiontype = MS_CONNECTION_TYPE.MS_INLINE;
// define the attribute names from the inline layer
layer.addProcessing("ITEMS=attribute1,attribute2,attribute3");
// define the class
classObj classobj = new classObj(layer);
classobj.template = "query"; // making the layer queryable
// setting up the text based on multiple attributes
classobj.setText("('Shape:' + '[attribute1]' + ' Color:' + '[attribute2]' + ' Size:' + '[attribute3]')");
// define the label
classobj.label.outlinecolor = new colorObj(255, 255, 255, 0);
classobj.label.force = mapscript.MS_TRUE;
classobj.label.size = (double)MS_BITMAP_FONT_SIZES.MS_MEDIUM;
classobj.label.position = (int)MS_POSITIONS_ENUM.MS_LC;
classobj.label.wrap = ' ';
// set up attribute binding
classobj.label.setBinding((int)MS_LABEL_BINDING_ENUM.MS_LABEL_BINDING_COLOR, "attribute2");
// define the style
styleObj style = new styleObj(classobj);
style.color = new colorObj(0, 255, 255, 0);
style.setBinding((int)MS_STYLE_BINDING_ENUM.MS_STYLE_BINDING_COLOR, "attribute2");
style.setBinding((int)MS_STYLE_BINDING_ENUM.MS_STYLE_BINDING_SIZE, "attribute3");
Random rand = new Random((int)DateTime.Now.ToFileTime()); ;
// creating the shapes
for (int i = 0; i < 10; i++)
{
shapeObj shape = new shapeObj((int)MS_SHAPE_TYPE.MS_SHAPE_POINT);
// setting the shape attributes
shape.initValues(4);
shape.setValue(0, Convert.ToString(i));
shape.setValue(1, new colorObj(rand.Next(255), rand.Next(255), rand.Next(255), 0).toHex());
shape.setValue(2, Convert.ToString(rand.Next(25) + 5));
lineObj line = new lineObj();
line.add(new pointObj(rand.Next(400) + 25, rand.Next(400) + 25, 0, 0));
shape.add(line);
layer.addFeature(shape);
}
map.width = 500;
map.height = 500;
map.setExtent(0,0,450,450);
map.selectOutputFormat(args[0]);
imageObj image = map.draw();
image.save(args[1], map);
//perform a query
layer.queryByRect(map, new rectObj(0, 0, 450, 450, 0));
resultObj res;
shapeObj feature;
using (resultCacheObj results = layer.getResults())
{
if (results != null && results.numresults > 0)
{
// extracting the features found
layer.open();
for (int j = 0; j < results.numresults; j++)
{
res = results.getResult(j);
feature = layer.getShape(res);
if (feature != null)
{
Console.WriteLine(" Feature: shapeindex=" + res.shapeindex + " tileindex=" + res.tileindex);
for (int k = 0; k < layer.numitems; k++)
{
Console.Write(" " + layer.getItem(k));
Console.Write(" = ");
Console.Write(feature.getValue(k));
Console.WriteLine();
}
}
}
layer.close();
}
}
}
public static void Main(string[] args)
{
if (args.Length < 2)
{
usage();
}
// creating a new map from scratch
mapObj map = new mapObj(null);
// adding a layer
layerObj layer = new layerObj(map);
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
layer.status = mapscript.MS_ON;
layer.connectiontype = MS_CONNECTION_TYPE.MS_INLINE;
// define the attribute names from the inline layer
layer.addProcessing("ITEMS=attribute1,attribute2,attribute3");
// define the class
classObj classobj = new classObj(layer);
classobj.template = "query"; // making the layer queryable
// setting up the text based on multiple attributes
classobj.setText("('Shape:' + '[attribute1]' + ' Color:' + '[attribute2]' + ' Size:' + '[attribute3]')");
// define the label
classobj.label.outlinecolor = new colorObj(255, 255, 255, 0);
classobj.label.force = mapscript.MS_TRUE;
classobj.label.size = (double)MS_BITMAP_FONT_SIZES.MS_MEDIUM;
classobj.label.position = (int)MS_POSITIONS_ENUM.MS_LC;
classobj.label.wrap = ' ';
// set up attribute binding
classobj.label.setBinding((int)MS_LABEL_BINDING_ENUM.MS_LABEL_BINDING_COLOR, "attribute2");
// define the style
styleObj style = new styleObj(classobj);
style.color = new colorObj(0, 255, 255, 0);
style.setBinding((int)MS_STYLE_BINDING_ENUM.MS_STYLE_BINDING_COLOR, "attribute2");
style.setBinding((int)MS_STYLE_BINDING_ENUM.MS_STYLE_BINDING_SIZE, "attribute3");
Random rand = new Random((int)DateTime.Now.ToFileTime());;
// creating the shapes
for (int i = 0; i < 10; i++)
{
shapeObj shape = new shapeObj((int)MS_SHAPE_TYPE.MS_SHAPE_POINT);
// setting the shape attributes
shape.initValues(4);
shape.setValue(0, Convert.ToString(i));
shape.setValue(1, new colorObj(rand.Next(255), rand.Next(255), rand.Next(255), 0).toHex());
shape.setValue(2, Convert.ToString(rand.Next(25) + 5));
lineObj line = new lineObj();
line.add(new pointObj(rand.Next(400) + 25, rand.Next(400) + 25, 0, 0));
shape.add(line);
layer.addFeature(shape);
}
map.width = 500;
map.height = 500;
map.setExtent(0, 0, 450, 450);
map.selectOutputFormat(args[0]);
imageObj image = map.draw();
image.save(args[1], map);
//perform a query
layer.queryByRect(map, new rectObj(0, 0, 450, 450, 0));
resultObj res;
shapeObj feature;
using (resultCacheObj results = layer.getResults())
{
if (results != null && results.numresults > 0)
{
// extracting the features found
layer.open();
for (int j = 0; j < results.numresults; j++)
{
res = results.getResult(j);
feature = layer.getShape(res);
if (feature != null)
{
Console.WriteLine(" Feature: shapeindex=" + res.shapeindex + " tileindex=" + res.tileindex);
for (int k = 0; k < layer.numitems; k++)
{
Console.Write(" " + layer.getItem(k));
Console.Write(" = ");
Console.Write(feature.getValue(k));
Console.WriteLine();
}
}
}
layer.close();
}
}
}
