117 lines
2.7 KiB
JavaScript
117 lines
2.7 KiB
JavaScript
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import { macroName } from './utils';
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import part from './part'
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import svg from './svg'
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import hooks from './hooks'
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export default function pattern (config = false)
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{
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// Allow no-config patterns
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if(!config) {
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this.config = {
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parts: ['part'],
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measurements: {},
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options: {}
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}
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} else {
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this.config = config;
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}
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if(typeof config.parts === 'undefined' || !config.parts || config.parts.length < 1) {
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throw "Could not create pattern: You should define at least one part in your pattern config";
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}
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// Constructors
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this.point = point;
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this.path = path;
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this.snippet = snippet;
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// Svg and hooks instance
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this.svg = new svg(this);
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this.hooks = new hooks();
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// Data containers
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this.values = {};
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this.parts = {};
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for (let id of config.parts) {
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this.parts[id] = new part(id);
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}
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this.options = {};
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if(typeof config.options !== 'undefined' && config.options.length > 0) {
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for (let conf of config.options) {
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if(conf.type === 'percentage') this.options[conf.id] = conf.val/100;
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else this.options[conf.id] = conf.val;
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}
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}
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// Context object to pass around
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this.context = {
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parts: this.parts,
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options: this.options,
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values: this.values,
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config: this.config
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}
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return this;
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/**
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* @throws Will throw an error when called
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*/
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this.prototype.draft = function ()
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{
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throw Error('You have to implement the draft() method in your Pattern instance.');
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}
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this.prototype.render = function()
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{
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this.hooks.attach('preRenderSvg', this.svg);
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this.hooks.attach('postRenderSvg', this.svg);
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//this.hooks.attach('insertText', this.svg);
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return this.svg.render(this);
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}
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this.prototype.on = function (hook, method)
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{
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if(typeof this.hooks._hooks[hook] === 'undefined') {
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this.hooks._hooks[hook] = [];
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}
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this.hooks._hooks[hook].push(method);
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}
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this.prototype.macro = function (key, method)
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{
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let name = macroName(key);
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this.on(name, method);
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for(let partId in this.parts) {
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let part = this.parts[partId];
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part[name] = () => null;
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this.hooks.attach(name, part);
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}
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}
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this.prototype.withPlugin(plugin)
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{
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if(plugin.hooks) this.loadPluginHooks(plugin);
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if(plugin.macros) this.loadPluginMacros(plugin);
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return this;
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}
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this.prototype.loadPluginHooks = function (plugin)
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{
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for(let hook of this.hooks.all) {
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if(typeof plugin.hooks[hook] === 'function') {
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this.on(hook, plugin.hooks[hook]);
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}
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}
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}
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this.prototype.loadPluginMacros = function (plugin)
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{
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for(let macro in plugin.macros) {
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if(typeof plugin.macros[macro] === 'function') {
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this.macro(macro, plugin.macros[macro]);
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}
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}
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}
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}
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