/// <summary>
/// Evaluates block definition code of each block in given object mapping
/// block type to XML. Called in order to be able to create instances of the
/// blocks in the exporter workspace.
/// </summary>
/// <param name="blockXmlMap"> Map of block type to XML.</param>
public void addBlockDefinitions(Dictionary <string, Element> blockXmlMap)
{
//var blockDefs = this.getBlockDefinitions(blockXmlMap, "JavaScript");
//Script.Eval(blockDefs);
var definitionFormat = "JSON";
foreach (var blockXml in blockXmlMap)
{
var xml = blockXml.Value;
if (xml == null)
{
continue;
}
var rootBlock = this.getRootBlockFromXml_(xml);
if (rootBlock != null)
{
// Generate the block's definition.
var code = FactoryUtils.getBlockDefinition(blockXml.Key, rootBlock,
definitionFormat, this.hiddenWorkspace);
// Add block's definition to the definitions to return.
Blockly.Core.Blocks[blockXml.Key] = code;
}
}
}
/// <summary>
/// Return the given language code of each block type in an array.
/// </summary>
/// <param name="blockXmlMap"> Map of block type to XML.</param>
/// <param name="definitionFormat"> "JSON" or "JavaScript"</param>
/// <returns>The concatenation of each block's language code in the
/// desired format.</returns>
public string getBlockDefinitions(Dictionary <string, Element> blockXmlMap, string definitionFormat)
{
var blockCode = new JsArray <string>();
foreach (var blockType in blockXmlMap.Keys)
{
string code;
var xml = blockXmlMap[blockType];
if (xml != null)
{
// Render and get block from hidden workspace.
var rootBlock = this.getRootBlockFromXml_(xml);
if (rootBlock != null)
{
// Generate the block's definition.
code = FactoryUtils.getBlockDefinition(blockType, rootBlock,
definitionFormat, this.hiddenWorkspace);
// Add block's definition to the definitions to return.
}
else
{
// Append warning comment and write to console.
code = "// No block definition generated for " + blockType +
". Could not find root block in XML stored for this block.";
Console.WriteLine("No block definition generated for " + blockType +
". Could not find root block in XML stored for this block.");
}
}
else
{
// Append warning comment and write to console.
code = "// No block definition generated for " + blockType +
". Block was not found in Block Library Storage.";
Console.WriteLine("No block definition generated for " + blockType +
". Block was not found in Block Library Storage.");
}
blockCode.Push(code);
}
// Surround json with [] and comma separate items.
if (definitionFormat == "JSON")
{
return("[" + blockCode.Join(",\n") + "]");
}
return(blockCode.Join("\n\n"));
}
/// <summary>
/// Update the language code based on constructs made in Blockly.
/// </summary>
public static void updateLanguage(Events.Abstract e)
{
var rootBlock = FactoryUtils.getRootBlock(BlockFactory.mainWorkspace);
if (rootBlock == null)
{
return;
}
var blockType = rootBlock.getFieldValue("NAME").Trim().ToLowerCase();
if (blockType == null)
{
blockType = BlockFactory.UNNAMED;
}
var format = ((HTMLSelectElement)Document.GetElementById("format")).Value;
var code = FactoryUtils.getBlockDefinition(blockType, rootBlock, format,
BlockFactory.mainWorkspace);
FactoryUtils.injectCode(code, "languagePre");
BlockFactory.updatePreview();
}
