You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.3 KiB
52 lines
1.3 KiB
/**
|
|
* 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;
|
|
};
|