menuly_2blocks.js

'use strict';


Blockly.JSON.toWorkspace = function(json_text, workspace) {

    var json_structure  = JSON.parse(json_text);

    workspace.clear();

    var startBlock = Blockly.Block.obtain(workspace, 'start');
    startBlock.initSvg();
    startBlock.render();
    Blockly.JSON.buildAndConnect(json_structure, startBlock.getInput('json').connection);
};


Blockly.JSON.buildAndConnect = function(json_structure, parentConnection) {
    if(json_structure === null) {
        return;
    } else {
        var type  = typeof(json_structure);
        if(type == 'boolean') {
            type = String(Boolean(json_structure));
        } else if(type == 'object') {
            type = (json_structure instanceof Array) ? 'array' : 'dictionary';
        }

        var targetBlock = Blockly.Block.obtain(parentConnection.sourceBlock_.workspace, type);
        targetBlock.initSvg();
        targetBlock.render();

        var childConnection = targetBlock.outputConnection;
        parentConnection.connect(childConnection);

        switch(type) {
            case 'string':
                targetBlock.setFieldValue( String(json_structure), 'string_value' );
                break;
            case 'number':
                targetBlock.setFieldValue( String(json_structure), 'number_value' );
                break;
            case 'dictionary':
                var i=0;
                for(var key in json_structure) {
                    targetBlock.appendKeyValuePairInput();
                    targetBlock.setFieldValue( key, 'key_field_'+i );

                    var elementConnection = targetBlock.getInput('element_'+i).connection;
                    Blockly.JSON.buildAndConnect(json_structure[key], elementConnection);

                    i++;
                }
                break;
            case 'array':
                for(var i in json_structure) {
                    targetBlock.appendArrayElementInput();

                    var elementConnection = targetBlock.getInput('element_'+i).connection;
                    Blockly.JSON.buildAndConnect(json_structure[i], elementConnection);
                }
                break;
        }
    }
};