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Add methods to fetch scratch-blocks XML and JSON

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This commit is contained in:
Christopher Willis-Ford 2017-08-25 13:53:57 -07:00
parent 64bde25d22
commit aaa7784d39
1 changed files with 31 additions and 4 deletions
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35
src/engine/runtime.js
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@ -102,10 +102,10 @@ class Runtime extends EventEmitter {
/** /**
* Map to look up all block information by extended opcode. * Map to look up all block information by extended opcode.
* @type {Object.<string, {info:BlockInfo, json:object, xml:string}>} * @type {Array.<CategoryInfo>}
* @private * @private
*/ */
this._blockInfo = {}; this._blockInfo = [];
/** /**
* Map to look up hat blocks' metadata. * Map to look up hat blocks' metadata.
@ -363,13 +363,16 @@ class Runtime extends EventEmitter {
name: extensionInfo.name, name: extensionInfo.name,
color1: '#FF6680', color1: '#FF6680',
color2: '#FF4D6A', color2: '#FF4D6A',
color3: '#FF3355' color3: '#FF3355',
blocks: []
}; };
this._blockInfo.push(categoryInfo);
for (const blockInfo of extensionInfo.blocks) { for (const blockInfo of extensionInfo.blocks) {
const convertedBlock = this._convertForScratchBlocks(blockInfo, categoryInfo); const convertedBlock = this._convertForScratchBlocks(blockInfo, categoryInfo);
const opcode = convertedBlock.json.id; const opcode = convertedBlock.json.id;
this._blockInfo[opcode] = convertedBlock; categoryInfo.blocks.push(convertedBlock);
this._primitives[opcode] = convertedBlock.info.func; this._primitives[opcode] = convertedBlock.info.func;
} }
} }
@ -471,6 +474,30 @@ class Runtime extends EventEmitter {
}; };
} }
/**
* @returns {string} scratch-blocks XML description for all dynamic blocks, wrapped in <category> elements.
*/
getBlocksXML () {
const xmlParts = [];
for (const categoryInfo of this._blockInfo) {
const {name, color1, color2} = categoryInfo;
xmlParts.push(`<category name="${name}" colour="${color1}" secondaryColour="${color2}">`);
// @todo only add this label for user-loaded extensions?
xmlParts.push(`<label text="${name}" web-class="extensionLabel"/>`);
xmlParts.push.apply(xmlParts, categoryInfo.blocks.map(blockInfo => blockInfo.xml));
xmlParts.push('</category>');
}
return xmlParts.join('\n');
}
/**
* @returns {Array.<string>} - an array containing the scratch-blocks JSON information for each dynamic block.
*/
getBlocksJSON () {
return this._blockInfo.reduce(
(result, categoryInfo) => result.concat(categoryInfo.blocks.map(blockInfo => blockInfo.json)), []);
}
/** /**
* Retrieve the function associated with the given opcode. * Retrieve the function associated with the given opcode.
* @param {!string} opcode The opcode to look up. * @param {!string} opcode The opcode to look up.