vis.js is a dynamic, browser-based visualization library
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/**
* Prototype for visual components
* @param {{dom: Object, domProps: Object, emitter: Emitter, range: Range}} [body]
* @param {Object} [options]
*/
function Component (body, options) {
this.options = null;
this.props = null;
}
/**
* Set options for the component. The new options will be merged into the
* current options.
* @param {Object} options
*/
Component.prototype.setOptions = function(options) {
if (options) {
util.extend(this.options, options);
}
};
/**
* Repaint the component
* @return {boolean} Returns true if the component is resized
*/
Component.prototype.redraw = function() {
// should be implemented by the component
return false;
};
/**
* Destroy the component. Cleanup DOM and event listeners
*/
Component.prototype.destroy = function() {
// should be implemented by the component
};
/**
* Test whether the component is resized since the last time _isResized() was
* called.
* @return {Boolean} Returns true if the component is resized
* @protected
*/
Component.prototype._isResized = function() {
var resized = (this.props._previousWidth !== this.props.width ||
this.props._previousHeight !== this.props.height);
this.props._previousWidth = this.props.width;
this.props._previousHeight = this.props.height;
return resized;
};
module.exports = Component;