/// <summary>
/// Fetch the type(s) defined in the given input.
/// </summary>
/// <param name="block"> Block with input.</param>
/// <param name="name">Name of the input.</param>
/// <returns>List of types.</returns>
private static JsArray <string> getTypesFrom_(Blockly.Block block, string name)
{
var typeBlock = block.getInputTargetBlock(name);
JsArray <string> types;
if (typeBlock == null || typeBlock.disabled)
{
types = new JsArray <string>();
}
else if (typeBlock.type == "type_other")
{
types = new JsArray <string> {
FactoryUtils.escapeString(typeBlock.getFieldValue("TYPE"))
};
}
else if (typeBlock.type == "type_group")
{
types = new JsArray <string>();
for (var n = 0; n < ((TypeGroup)typeBlock).typeCount_; n++)
{
types = types.Concat(FactoryUtils.getTypesFrom_(typeBlock, "TYPE" + n));
}
// Remove duplicates.
var hash = new Dictionary <string, object>();
for (var n = types.Length - 1; n >= 0; n--)
{
if (hash.ContainsKey(types[n]))
{
types.Splice(n, 1);
}
hash[types[n]] = true;
}
}
else
{
var fi = typeBlock.GetType().GetField("valueType", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public);
types = new JsArray <string> {
FactoryUtils.escapeString((string)fi.GetValue(null))
};
}
return(types);
}
/// <summary>
/// Update the language code as JavaScript.
/// </summary>
/// <param name="blockType"> Name of block.</param>
/// <param name="rootBlock"> Factory_base block.</param>
/// <param name="workspace"></param> Where the root block lives.
/// <returns>Generated language code.</returns>
private static string formatJavaScript_(string blockType, Blockly.Block rootBlock, Blockly.Workspace workspace)
{
var code = new JsArray <string>();
code.Push("Blockly.Core.Blocks[\"" + blockType + "\"] = {");
code.Push(" init: () => {");
// Generate inputs.
var TYPES = new Dictionary <string, string>()
{
{ "input_value", "appendValueInput" },
{ "input_statement", "appendStatementInput" },
{ "input_dummy", "appendDummyInput" }
};
var contentsBlock = rootBlock.getInputTargetBlock("INPUTS");
while (contentsBlock != null)
{
if (!contentsBlock.disabled && !contentsBlock.getInheritedDisabled())
{
var name = "";
// Dummy inputs don't have names. Other inputs do.
if (contentsBlock.type != "input_dummy")
{
name =
FactoryUtils.escapeString(contentsBlock.getFieldValue("INPUTNAME"));
}
code.Push(" this." + TYPES[contentsBlock.type] + "(" + name + ")");
var check = FactoryUtils.getOptTypesFrom(contentsBlock, "TYPE");
if (!String.IsNullOrEmpty(check))
{
code.Push(" .setCheck(" + check + ")");
}
var align = contentsBlock.getFieldValue("ALIGN");
if (align != "LEFT")
{
code.Push(" .setAlign(Blockly.ALIGN_" + align + ")");
}
var fields = FactoryUtils.getFieldsJs_(
contentsBlock.getInputTargetBlock("FIELDS"));
for (var i = 0; i < fields.Length; i++)
{
code.Push(" .appendField(" + fields[i] + ")");
}
// Add semicolon to last line to finish the statement.
code[code.Length - 1] += ";";
}
contentsBlock = contentsBlock.nextConnection == null ? null :
contentsBlock.nextConnection.targetBlock();
}
// Generate inline/external switch.
if (rootBlock.getFieldValue("INLINE") == "EXT")
{
code.Push(" this.setInputsInline(false);");
}
else if (rootBlock.getFieldValue("INLINE") == "INT")
{
code.Push(" this.setInputsInline(true);");
}
// Generate output, or next/previous connections.
switch (rootBlock.getFieldValue("CONNECTIONS"))
{
case "LEFT":
code.Push(FactoryUtils.connectionLineJs_("setOutput", "OUTPUTTYPE", workspace));
break;
case "BOTH":
code.Push(
FactoryUtils.connectionLineJs_("setPreviousStatement", "TOPTYPE", workspace));
code.Push(
FactoryUtils.connectionLineJs_("setNextStatement", "BOTTOMTYPE", workspace));
break;
case "TOP":
code.Push(
FactoryUtils.connectionLineJs_("setPreviousStatement", "TOPTYPE", workspace));
break;
case "BOTTOM":
code.Push(
FactoryUtils.connectionLineJs_("setNextStatement", "BOTTOMTYPE", workspace));
break;
}
// Generate colour.
var colourBlock = rootBlock.getInputTargetBlock("COLOUR");
if (colourBlock != null && !colourBlock.disabled)
{
var hue = Script.ParseFloat(colourBlock.getFieldValue("HUE"));
if (!Double.IsNaN(hue))
{
code.Push(" this.setColour(" + hue + ");");
}
}
code.Push(" this.setTooltip(\"\");");
code.Push(" this.setHelpUrl(\"http://www.example.com/\");");
code.Push(" }");
code.Push("};");
return(code.Join("\n"));
}
/// <summary>
/// Update the language code as JSON.
/// </summary>
/// <param name="blockType"> Name of block.</param>
/// <param name="rootBlock">Factory_base block.</param>
/// <returns>Generanted language code.</returns>
private static string formatJson_(string blockType, Blockly.Block rootBlock)
{
var JS = new Dictionary <string, object>();
// Type is not used by Blockly, but may be used by a loader.
JS["type"] = blockType;
// Generate inputs.
var message = new JsArray <string>();
var args = new JsArray <object>();
var contentsBlock = rootBlock.getInputTargetBlock("INPUTS");
Blockly.Block lastInput = null;
while (contentsBlock != null)
{
if (!contentsBlock.disabled && !contentsBlock.getInheritedDisabled())
{
var fields = FactoryUtils.getFieldsJson_(
contentsBlock.getInputTargetBlock("FIELDS"));
for (var i = 0; i < fields.Length; i++)
{
if (fields[i] is string str)
{
message.Push(str.Replace(new Regex("%", RegexOptions.Multiline), "%%"));
}
else
{
args.Push(fields[i]);
message.Push("%" + args.Length);
}
}
var input = new Dictionary <string, object>();
input.Add("type", contentsBlock.type);
// Dummy inputs don't have names. Other inputs do.
if (contentsBlock.type != "input_dummy")
{
input["name"] = contentsBlock.getFieldValue("INPUTNAME");
}
var check = JSON.Parse(
FactoryUtils.getOptTypesFrom(contentsBlock, "TYPE") ?? "null");
if (check != null)
{
input["check"] = check;
}
var align = contentsBlock.getFieldValue("ALIGN");
if (align != "LEFT")
{
input["align"] = align;
}
args.Push(input);
message.Push("%" + args.Length);
lastInput = contentsBlock;
}
contentsBlock = contentsBlock.nextConnection == null ? null :
contentsBlock.nextConnection.targetBlock();
}
// Remove last input if dummy and not empty.
if (lastInput != null && lastInput.type == "input_dummy")
{
var fields = lastInput.getInputTargetBlock("FIELDS");
if (fields != null && FactoryUtils.getFieldsJson_(fields).Join("").Trim() != "")
{
var align = lastInput.getFieldValue("ALIGN");
if (align != "LEFT")
{
JS["lastDummyAlign0"] = align;
}
args.Pop();
message.Pop();
}
}
JS["message0"] = message.Join(" ");
if (args.Length > 0)
{
JS["args0"] = args;
}
// Generate inline/external switch.
if (rootBlock.getFieldValue("INLINE") == "EXT")
{
JS["inputsInline"] = false;
}
else if (rootBlock.getFieldValue("INLINE") == "INT")
{
JS["inputsInline"] = true;
}
// Generate output, or next/previous connections.
switch (rootBlock.getFieldValue("CONNECTIONS"))
{
case "LEFT":
JS["output"] =
JSON.Parse(
FactoryUtils.getOptTypesFrom(rootBlock, "OUTPUTTYPE") ?? "null");
break;
case "BOTH":
JS["previousStatement"] =
JSON.Parse(
FactoryUtils.getOptTypesFrom(rootBlock, "TOPTYPE") ?? "null");
JS["nextStatement"] =
JSON.Parse(
FactoryUtils.getOptTypesFrom(rootBlock, "BOTTOMTYPE") ?? "null");
break;
case "TOP":
JS["previousStatement"] =
JSON.Parse(
FactoryUtils.getOptTypesFrom(rootBlock, "TOPTYPE") ?? "null");
break;
case "BOTTOM":
JS["nextStatement"] =
JSON.Parse(
FactoryUtils.getOptTypesFrom(rootBlock, "BOTTOMTYPE") ?? "null");
break;
}
// Generate colour.
var colourBlock = rootBlock.getInputTargetBlock("COLOUR");
if (colourBlock != null && !colourBlock.disabled)
{
var hue = Script.ParseFloat(colourBlock.getFieldValue("HUE"));
JS["colour"] = hue;
}
JS["tooltip"] = "";
JS["helpUrl"] = "http://www.example.com/";
return(JSON.Stringify(JS, null, " "));
}
