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| (function() {
'use strict'
class StrConnect {
getInfo() {
return {
id: "stringconnect",
name: "字符串连接",
color1: "#3271D0",
blocks: [
{
opcode: "strconnect",
blockType: Scratch.BlockType.REPORTER,
text: "将 [TEXT] 中的 %c 替换为 [LIST] 中的每一项",
arguments: {
TEXT: {
type: Scratch.ArgumentType.STRING,
default: ""
},
LIST: {
type: Scratch.ArgumentType.STRING,
menu: "get_list",
},
},
}
],
menus: {
get_list: {
acceptReporters: false,
items: "getLists",
},
}
};
}
getLists() {
const globalLists = Object.values(
Scratch.vm.runtime.getTargetForStage().variables
).filter((x) => x.type === "list");
const localLists = Scratch.vm.editingTarget
? Object.values(Scratch.vm.editingTarget.variables).filter(
(x) => x.type === "list"
)
: [];
const uniqueLists = [...new Set([...globalLists, ...localLists])];
if (uniqueLists.length === 0) {
return [
{
text: "select a list",
value: "select a list",
},
];
}
return uniqueLists.map((i) => ({
text: i.name,
value: i.id,
}));
}
lookupList(list, util) {
const byId = util.target.lookupVariableById(list);
if (byId && byId.type === "list") {
return byId;
}
const byName = util.target.lookupVariableByNameAndType(list, "list");
if (byName) {
return byName;
}
return null;
}
strconnect(args, util) {
try {
let listVariable = this.lookupList(args.LIST, util);
if (listVariable) {
const values = listVariable.value;
let res = args.TEXT;
for (let i = 0; i < values.length; i++) {
res = res.replace("%c", values[i]);
if (res.indexOf("%c") == -1) break;
}
return res;
}
} catch (e) {
}
return "";
}
}
Scratch.extensions.register(new StrConnect());
})(Scratch);
|