[ADD] some function's converter in music.js

Author: rikutons

src/lib/ruby-to-blocks-converter/music.js

@@ -5,6 +5,84 @@ import _ from 'lodash';
  * Music converter
  */
 const MusicConverter = {
+    onSend: function (receiver, name, args, rubyBlockArgs, rubyBlock) {
+        let block;
+        if ((this._isSelf(receiver) || receiver === Opal.nil) && !rubyBlock) {
+            console.log(name);
+            console.log(args);
+            switch (name) {
+            case 'play_drum':
+                if (args.length === 1 && this._isHash(args[0]) && args[0].size === 2) {
+                    const drum = args[0].get('sym:drum');
+                    const beats = args[0].get('sym:beats');
+                    if (this._isNumberOrBlock(drum) && this._isNumberOrBlock(beats)) {
+                        block = this._createBlock('music_playDrumForBeats', 'statement');
+                        this._addInput(
+                            block,
+                            'DRUM',
+                            this._createFieldBlock('music_menu_DRUM', 'DRUM', drum)
+                        );
+                        this._addNumberInput(block, 'BEATS', 'math_number', beats, 0.25);
+                    }
+                }
+                break;
+            case 'rest':
+                if (args.length === 1 && this._isNumberOrBlock(args[0])) {
+                    block = this._createBlock('music_restForBeats', 'statement');
+                    this._addNumberInput(block, 'BEATS', 'math_number', args[0], 0.25);
+                }
+                break;
+            case 'play_note':
+                if (args.length === 1 && this._isHash(args[0]) && args[0].size === 2) {
+                    const note = args[0].get('sym:note');
+                    const beats = args[0].get('sym:beats');
+                    if (this._isNumberOrBlock(note) && this._isNumberOrBlock(beats)) {
+                        block = this._createBlock('music_playNoteForBeats', 'statement');
+                        this._addNumberInput(block, 'NOTE', 'math_number', note, 60);
+                        this._addNumberInput(block, 'BEATS', 'math_number', beats, 0.25);
+                    }
+                }
+                break;
+            case 'instrument=':
+                if (args.length === 1 && this._isNumberOrBlock(args[0])) {
+                    block = this._createBlock('music_setInstrument', 'statement');
+                    this._addInput(
+                        block,
+                        'INSTRUMENT',
+                        this._createFieldBlock('music_menu_INSTRUMENT', 'INSTRUMENT', args[0])
+                    );
+                }
+                break;
+            case 'tempo=':
+                if (args.length === 1 && this._isNumberOrBlock(args[0])) {
+                    block = this._createBlock('music_setTempo', 'statement');
+                    this._addNumberInput(block, 'TEMPO', 'math_number', args[0], 60);
+                }
+                break;
+            case 'tempo':
+                if (args.length === 0) {
+                    block = this._createBlock('music_getTempo', 'value');
+                }
+                break;
+            }
+        }
+        return block;
+    },
+
+    // eslint-disable-next-line no-unused-vars
+    onOpAsgn: function (lh, operator, rh) {
+        let block;
+        if (this._isBlock(lh) && operator === '+' && this._isNumberOrBlock(rh)) {
+            let xy;
+            switch (lh.opcode) {
+            case 'music_getTempo':
+                block = this._changeBlock(lh, 'music_changeTempo', 'statement');
+                this._addNumberInput(block, 'TEMPO', 'math_number', rh, 20);
+                break;
+            }
+        }
+        return block;
+    }
 };
 
 export default MusicConverter;