59 lines
1.2 KiB
JavaScript
59 lines
1.2 KiB
JavaScript
"use strict";
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module.exports = function(Chart) {
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var helpers = Chart.helpers;
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// Plugins are stored here
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Chart.plugins = [];
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Chart.pluginService = {
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// Register a new plugin
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register: function(plugin) {
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if (Chart.plugins.indexOf(plugin) === -1) {
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Chart.plugins.push(plugin);
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}
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},
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// Remove a registered plugin
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remove: function(plugin) {
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var idx = Chart.plugins.indexOf(plugin);
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if (idx !== -1) {
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Chart.plugins.splice(idx, 1);
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}
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},
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// Iterate over all plugins
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notifyPlugins: function(method, args, scope) {
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helpers.each(Chart.plugins, function(plugin) {
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if (plugin[method] && typeof plugin[method] === 'function') {
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plugin[method].apply(scope, args);
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}
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}, scope);
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}
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};
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Chart.PluginBase = Chart.Element.extend({
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// Plugin methods. All functions are passed the chart instance
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// Called at start of chart init
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beforeInit: helpers.noop,
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// Called at end of chart init
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afterInit: helpers.noop,
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// Called at start of update
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beforeUpdate: helpers.noop,
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// Called at end of update
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afterUpdate: helpers.noop,
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// Called at start of draw
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beforeDraw: helpers.noop,
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// Called at end of draw
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afterDraw: helpers.noop,
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// Called during destroy
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destroy: helpers.noop,
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});
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};
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